:root {
      --bg: #060606;
      --bg-card: #111;
      --border: #444;
      --text: #f5f5f5;
      --text-primary: #f5f5f5;
      --text-secondary: #d0d6df;
      --foreground: #f5f5f5;
      --muted: #aaaaaa;
      --accent: #00b894;
      --panel-bg: #0f1520;
      --panel-elevated: #1a2130;
      --pill-inactive: #333;
      --input-bg: #111;
      --input-border: #555;

      /* Extended palette for theme-awareness */
      --overlay-subtle: rgba(255,255,255,0.03);
      --overlay-hover: rgba(255,255,255,0.05);
      --overlay-active: rgba(255,255,255,0.08);
      --overlay-strong: rgba(255,255,255,0.12);
      --card-shadow: rgba(0, 0, 0, 0.35);
      --accent-faint: rgba(0, 184, 148, 0.12);
      --accent-light: rgba(0, 184, 148, 0.2);
      --accent-glow: rgba(0, 184, 148, 0.5);
      --error: #e74c3c;
      --error-faint: rgba(231, 76, 60, 0.15);
      --warning: #e67e22;
      --warning-faint: rgba(230, 126, 34, 0.1);
      --info: #3498db;
      --info-faint: rgba(52, 152, 219, 0.15);
      --purple: #b39ddb;
      --purple-faint: rgba(179, 157, 219, 0.15);
      --teal: #80cbc4;
      --teal-faint: rgba(128, 203, 196, 0.15);
      --amber: #f9a825;
      --amber-faint: rgba(249, 168, 37, 0.15);
      --user-note: #7c4dff;
      --user-note-faint: rgba(124, 77, 255, 0.15);
      --user-note-editor-bg: rgba(0,0,0,0.08);
      --user-note-placeholder: rgba(208, 214, 223, 0.56);
      --user-note-divider: rgba(255,255,255,0.06);
      --user-note-control-border: rgba(255,255,255,0.14);
      --user-note-heading-toggle: rgba(208,214,223,0.48);
      --shared-note: #009688;
      --shared-note-faint: rgba(0, 150, 136, 0.15);
      --green-badge: #27ae60;
      --green-badge-bg: rgba(39,174,96,0.2);
      --success: #51cf66;
      --success-faint: rgba(81,207,102,0.15);
      --warning-yellow: #ffd93d;
      --warning-yellow-faint: rgba(255,217,61,0.15);
      --disabled-bg: #3a3a3a;
      --disabled-border: #555;
      --disabled-text: #888;
      --code-bg: #222;
      --select-bg: #1a1a1a;
      --select-hover-bg: #222;
      --modal-overlay: rgba(0, 0, 0, 0.8);
      --btn-secondary-hover: #444;
      --scrollbar-thumb: #555;
      --scrollbar-hover: #777;
      --border-subtle: rgba(255,255,255,0.05);
      --workbench-bg: #1a1a2e;
      --workbench-accent: #64c8ff;
      --workbench-gold: #feca57;
      --workbench-chrome-bg: rgba(8, 10, 14, 0.82);
      --workbench-chrome-surface: rgba(20, 24, 31, 0.88);
      --workbench-chrome-surface-strong: rgba(28, 33, 42, 0.94);
      --workbench-chrome-border: rgba(255,255,255,0.11);
      --workbench-chrome-text: #f3f6f8;
      --workbench-chrome-muted: rgba(226, 232, 240, 0.62);
      --workbench-control-bg: rgba(255,255,255,0.055);
      --workbench-control-hover: rgba(255,255,255,0.1);
      --workbench-control-active: rgba(100, 200, 255, 0.18);
      --workbench-danger: #ff7a7a;
      --workbench-panel-bg: rgba(15, 21, 32, 0.94);
      --workbench-panel-border: rgba(100, 200, 255, 0.34);
      --workbench-panel-text: #edf6ff;
      --workbench-panel-muted: rgba(208, 224, 238, 0.66);
      --workbench-panel-control-bg: rgba(255,255,255,0.08);
      --workbench-panel-control-border: rgba(100, 200, 255, 0.28);
      --workbench-panel-danger: #ff7676;
      --workbench-panel-shadow: rgba(0, 0, 0, 0.34);
      --dialog-bg: #15181f;
      --code-block-bg: rgba(15, 20, 30, 0.9);
      --code-block-text: #d8e0ff;
    }

    /* ═══════════════════════════════════════════
       LIGHT THEME — Pastel Matte on White
       ═══════════════════════════════════════════ */
    body.light-theme {
      --bg: #ffffff;
      --bg-card: #f3f4f6;
      --border: #d1d5db;
      --text: #1f2937;
      --text-primary: #1f2937;
      --text-secondary: #475569;
      --foreground: #1f2937;
      --muted: #6b7280;
      --accent: #4a9882;
      --panel-bg: #eef2f7;
      --panel-elevated: #ffffff;
      --pill-inactive: #e5e7eb;
      --input-bg: #ffffff;
      --input-border: #c4c8d0;

      --overlay-subtle: rgba(0,0,0,0.02);
      --overlay-hover: rgba(0,0,0,0.04);
      --overlay-active: rgba(0,0,0,0.06);
      --overlay-strong: rgba(0,0,0,0.08);
      --card-shadow: rgba(0, 0, 0, 0.08);
      --accent-faint: rgba(74, 152, 130, 0.08);
      --accent-light: rgba(74, 152, 130, 0.14);
      --accent-glow: rgba(74, 152, 130, 0.3);
      --error: #c0564e;
      --error-faint: rgba(192, 86, 78, 0.1);
      --warning: #b87a45;
      --warning-faint: rgba(184, 122, 69, 0.08);
      --info: #5b8fb0;
      --info-faint: rgba(91, 143, 176, 0.1);
      --purple: #8b7aaf;
      --purple-faint: rgba(139, 122, 175, 0.1);
      --teal: #5e9e97;
      --teal-faint: rgba(94, 158, 151, 0.1);
      --amber: #e69100;
      --amber-faint: rgba(230, 145, 0, 0.12);
      --user-note: #6a3de8;
      --user-note-faint: rgba(106, 61, 232, 0.12);
      --user-note-editor-bg: rgba(106, 61, 232, 0.035);
      --user-note-placeholder: rgba(71, 85, 105, 0.72);
      --user-note-divider: rgba(15, 23, 42, 0.1);
      --user-note-control-border: rgba(15, 23, 42, 0.14);
      --user-note-heading-toggle: rgba(71, 85, 105, 0.54);
      --shared-note: #26a69a;
      --shared-note-faint: rgba(38, 166, 154, 0.12);
      --green-badge: #4a9882;
      --green-badge-bg: rgba(74, 152, 130, 0.12);
      --success: #3a9d6e;
      --success-faint: rgba(58, 157, 110, 0.12);
      --warning-yellow: #c49a32;
      --warning-yellow-faint: rgba(196, 154, 50, 0.1);
      --disabled-bg: #e5e7eb;
      --disabled-border: #d1d5db;
      --disabled-text: #9ca3af;
      --code-bg: #f0f1f3;
      --select-bg: #f9fafb;
      --select-hover-bg: #f3f4f6;
      --modal-overlay: rgba(0, 0, 0, 0.4);
      --btn-secondary-hover: #e5e7eb;
      --scrollbar-thumb: #c4c8d0;
      --scrollbar-hover: #9ca3af;
      --border-subtle: rgba(0,0,0,0.05);
      --workbench-bg: #f0f2f5;
      --workbench-accent: #4a8ab5;
      --workbench-gold: #b8943a;
      --workbench-chrome-bg: rgba(255, 255, 255, 0.78);
      --workbench-chrome-surface: rgba(255, 255, 255, 0.86);
      --workbench-chrome-surface-strong: rgba(255, 255, 255, 0.95);
      --workbench-chrome-border: rgba(15, 23, 42, 0.11);
      --workbench-chrome-text: #172033;
      --workbench-chrome-muted: rgba(71, 85, 105, 0.72);
      --workbench-control-bg: rgba(15, 23, 42, 0.045);
      --workbench-control-hover: rgba(15, 23, 42, 0.075);
      --workbench-control-active: rgba(74, 138, 181, 0.13);
      --workbench-danger: #b85b5b;
      --workbench-panel-bg: rgba(255, 255, 255, 0.94);
      --workbench-panel-border: rgba(74, 138, 181, 0.32);
      --workbench-panel-text: #1f2937;
      --workbench-panel-muted: rgba(71, 85, 105, 0.72);
      --workbench-panel-control-bg: rgba(74, 138, 181, 0.07);
      --workbench-panel-control-border: rgba(74, 138, 181, 0.22);
      --workbench-panel-danger: #b74f4f;
      --workbench-panel-shadow: rgba(15, 23, 42, 0.14);
      --dialog-bg: #ffffff;
      --code-block-bg: #f0f1f4;
      --code-block-text: #2d3748;
    }

    * {
      box-sizing: border-box;
    }

    /* Themed scrollbars globally */
    * {
      scrollbar-color: var(--scrollbar-thumb) var(--bg-card);
      scrollbar-width: thin;
    }

    *::-webkit-scrollbar {
      width: 8px;
      height: 8px;
    }

    *::-webkit-scrollbar-track {
      background: var(--bg-card);
    }

    *::-webkit-scrollbar-thumb {
      background: var(--scrollbar-thumb);
      border-radius: 4px;
    }

    *::-webkit-scrollbar-thumb:hover {
      background: var(--scrollbar-hover);
    }

    *::-webkit-scrollbar-corner {
      background: var(--bg-card);
    }

    *::-webkit-scrollbar-button:single-button {
      background: var(--bg-card) !important;
      border: none !important;
      height: 0 !important;
      width: 0 !important;
    }

    *::-webkit-scrollbar-button {
      background: var(--bg-card) !important;
      border: none !important;
      height: 0 !important;
      width: 0 !important;
    }

    /* MEP Network applet */
    .mep-app {
      min-height: 100%;
      padding: 10px 14px 14px;
      background: var(--bg);
      color: var(--text);
      font-size: 0.84rem;
      display: flex;
      flex-direction: column;
      gap: 8px;
    }

    /* ── 3-panel workspace ────────────────────────────────────────────── */

    .mep-workspace {
      display: grid;
      grid-template-columns: 210px 1fr 340px;
      gap: 0;
      border: 1px solid var(--border);
      border-radius: 8px;
      overflow: hidden;
      background: var(--border);
      min-height: 540px;
      flex: 1 1 0;
    }

    .mep-workspace-tree,
    .mep-workspace-diagram,
    .mep-workspace-schedule {
      min-width: 0;
      overflow: hidden;
      background: var(--bg);
    }

    .mep-workspace-tree { overflow-y: auto; }
    .mep-workspace-diagram { display: flex; flex-direction: column; background: var(--bg-card); overflow: hidden; }
    .mep-workspace-schedule { overflow-y: auto; border-left: 1px solid var(--border); }

    /* ── System tree ──────────────────────────────────────────────────── */

    .mep-tree { padding: 4px 0; }

    .mep-tree-group { border-bottom: 1px solid var(--border-subtle); }

    .mep-tree-disc {
      display: grid;
      grid-template-columns: 1fr auto auto;
      align-items: center;
      gap: 5px;
      width: 100%;
      padding: 9px 10px 8px;
      border: 0;
      background: var(--overlay-subtle);
      color: var(--text);
      text-align: left;
      cursor: pointer;
      border-bottom: 1px solid var(--border-subtle);
    }
    .mep-tree-disc:hover,
    .mep-tree-disc.active { background: rgba(77,182,172,0.08); }
    .mep-tree-disc.active { border-left: 3px solid var(--teal); }

    .mep-tree-disc-name {
      font-size: 0.72rem;
      font-weight: 850;
      text-transform: uppercase;
      letter-spacing: 0.06em;
      color: var(--muted);
    }
    .mep-tree-disc.active .mep-tree-disc-name { color: var(--teal); }

    .mep-tree-disc-metric {
      font-size: 0.68rem;
      color: var(--muted);
      white-space: nowrap;
    }

    .mep-tree-sys {
      display: grid;
      grid-template-columns: 1fr auto auto;
      align-items: center;
      gap: 5px;
      width: 100%;
      padding: 8px 10px 8px 18px;
      border: 0;
      border-bottom: 1px solid var(--border-subtle);
      border-left: 3px solid transparent;
      background: transparent;
      color: var(--text);
      text-align: left;
      cursor: pointer;
    }
    .mep-tree-sys:hover { background: var(--overlay-subtle); }
    .mep-tree-sys.active {
      background: rgba(77,182,172,0.07);
      border-left-color: var(--teal);
    }
    .mep-tree-sys.status-review { border-left-color: var(--warning); }
    .mep-tree-sys.status-blocked { border-left-color: var(--error); }
    .mep-tree-sys.active.status-review { background: rgba(255,180,0,0.05); }
    .mep-tree-sys.active.status-blocked { background: rgba(220,60,60,0.04); }

    .mep-tree-sys-label {
      font-size: 0.79rem;
      font-weight: 700;
      overflow: hidden;
      text-overflow: ellipsis;
      white-space: nowrap;
    }
    .mep-tree-sys-meta {
      font-size: 0.67rem;
      color: var(--muted);
      white-space: nowrap;
    }

    .mep-tree-dot {
      display: inline-block;
      width: 8px;
      height: 8px;
      border-radius: 50%;
      flex-shrink: 0;
      background: var(--border);
    }
    .mep-tree-dot.ok { background: var(--teal); opacity: 0.5; }
    .mep-tree-dot.code-critical { background: var(--error); }
    .mep-tree-dot.code-warning  { background: var(--warning); }
    .mep-tree-dot.code-info     { background: var(--info); }

    /* ── SLD toolbar and frame ────────────────────────────────────────── */

    .mep-sld-toolbar {
      display: flex;
      align-items: center;
      gap: 6px;
      padding: 7px 10px;
      border-bottom: 1px solid var(--border);
      flex-shrink: 0;
      background: var(--bg-card);
    }

    .mep-sld-title {
      flex: 1;
      font-size: 0.79rem;
      font-weight: 700;
      color: var(--text);
      overflow: hidden;
      text-overflow: ellipsis;
      white-space: nowrap;
    }

    .mep-sld-back { flex-shrink: 0; }

    .mep-sld-scroll {
      flex: 1 1 0;
      overflow: auto;
      background:
        radial-gradient(circle, color-mix(in srgb, var(--border-subtle) 55%, transparent) 1px, transparent 1px),
        color-mix(in srgb, var(--bg-card) 96%, var(--overlay-subtle));
      background-size: 32px 32px;
    }

    /* ── SLD SVG ──────────────────────────────────────────────────────── */

    .mep-sld-svg {
      display: block;
      width: 100%;
      min-width: 640px;
      height: auto;
      padding: 8px;
    }

    .mep-sld-source-body {
      fill: color-mix(in srgb, var(--bg-card) 85%, var(--teal));
      stroke: var(--teal);
      stroke-width: 1.5;
    }

    .mep-sld-node-label {
      fill: var(--text);
      font-size: 11px;
      font-weight: 800;
      pointer-events: none;
    }

    .mep-sld-node-metric {
      fill: var(--muted);
      font-size: 9.5px;
      font-weight: 650;
      pointer-events: none;
    }

    .mep-sld-trunk,
    .mep-sld-rail {
      stroke: color-mix(in srgb, var(--muted) 55%, var(--border));
      stroke-width: 2;
      fill: none;
    }

    .mep-sld-branch {
      stroke: color-mix(in srgb, var(--muted) 38%, var(--border));
      stroke-width: 1.2;
      fill: none;
      stroke-dasharray: 4 3;
    }

    .mep-sld-route-label {
      fill: var(--muted);
      font-size: 9px;
      font-weight: 600;
      pointer-events: none;
    }

    .mep-sld-arrowhead { fill: color-mix(in srgb, var(--muted) 55%, var(--border)); }

    .mep-sld-room rect {
      fill: var(--bg-card);
      stroke: var(--border);
      stroke-width: 1;
    }
    .mep-sld-room:hover rect,
    .mep-sld-room.is-selected rect {
      stroke: var(--teal);
      stroke-width: 1.5;
      fill: rgba(77,182,172,0.07);
    }
    .mep-sld-room.code-critical rect { stroke: var(--error); }
    .mep-sld-room.code-warning  rect { stroke: var(--warning); }

    .mep-sld-room-name {
      fill: var(--text);
      font-size: 10px;
      font-weight: 760;
      pointer-events: none;
    }
    .mep-sld-room-metric {
      fill: var(--muted);
      font-size: 9px;
      pointer-events: none;
    }

    .mep-sld-code-dot { pointer-events: none; }
    .mep-sld-code-dot.code-critical { fill: var(--error); }
    .mep-sld-code-dot.code-warning  { fill: var(--warning); }
    .mep-sld-code-dot.code-info     { fill: var(--info); }

    .mep-sld-more {
      fill: var(--muted);
      font-size: 9.5px;
      font-style: italic;
      pointer-events: none;
    }

    /* ── Room schedule ────────────────────────────────────────────────── */

    .mep-schedule { display: flex; flex-direction: column; }

    .mep-schedule-head {
      display: grid;
      grid-template-columns: 1fr 68px 120px 58px;
      gap: 4px;
      padding: 7px 10px;
      border-bottom: 1px solid var(--border);
      background: var(--overlay-subtle);
      position: sticky;
      top: 0;
      z-index: 2;
      font-size: 0.67rem;
      font-weight: 850;
      text-transform: uppercase;
      letter-spacing: 0.05em;
      color: var(--muted);
    }

    .mep-schedule-empty {
      padding: 18px 12px;
      font-size: 0.76rem;
      color: var(--muted);
    }

    .mep-schedule-row {
      border-bottom: 1px solid var(--border-subtle);
    }
    .mep-schedule-row.is-open {
      background: var(--bg-card);
      border-color: var(--border);
    }

    .mep-schedule-row-head {
      display: grid;
      grid-template-columns: 1fr 68px 120px 58px;
      gap: 4px;
      padding: 8px 10px;
      cursor: pointer;
      align-items: center;
    }
    .mep-schedule-row-head:hover { background: var(--overlay-subtle); }
    .mep-schedule-row.is-open .mep-schedule-row-head { background: rgba(77,182,172,0.05); }

    .mep-sh-name, .mep-sh-metric, .mep-sh-system, .mep-sh-status { min-width: 0; }

    .mep-sr-code {
      display: inline-block;
      margin-right: 4px;
      padding: 1px 4px;
      background: var(--overlay-subtle);
      border: 1px solid var(--border);
      border-radius: 3px;
      font-size: 0.64rem;
      font-weight: 700;
      color: var(--muted);
      flex-shrink: 0;
    }
    .mep-sr-name-text {
      font-size: 0.79rem;
      font-weight: 700;
      color: var(--text);
    }
    .mep-sr-dept {
      display: block;
      font-size: 0.65rem;
      color: var(--muted);
      overflow: hidden;
      text-overflow: ellipsis;
      white-space: nowrap;
    }

    .mep-sh-metric { font-size: 0.76rem; color: var(--text); white-space: nowrap; }
    .mep-sh-system { font-size: 0.68rem; color: var(--muted); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

    .mep-sr-pill {
      display: inline-block;
      padding: 2px 6px;
      border-radius: 3px;
      font-size: 0.62rem;
      font-weight: 800;
      text-transform: uppercase;
    }
    .mep-sr-pill.code-critical { background: var(--error-faint); color: var(--error); }
    .mep-sr-pill.code-warning  { background: var(--warning-faint); color: var(--warning); }
    .mep-sr-pill.code-info     { background: var(--info-faint); color: var(--info); }
    .mep-sr-ok { color: var(--teal); font-size: 0.76rem; }

    /* Expanded row detail */
    .mep-sr-expanded {
      padding: 10px 12px 14px;
      border-top: 1px solid var(--border-subtle);
      display: flex;
      flex-direction: column;
      gap: 10px;
    }

    .mep-sr-basis {
      display: flex;
      flex-wrap: wrap;
      gap: 5px;
    }
    .mep-sr-basis span {
      padding: 2px 7px;
      background: var(--overlay-subtle);
      border: 1px solid var(--border);
      border-radius: 3px;
      font-size: 0.68rem;
      color: var(--muted);
    }

    .mep-sr-170-ref {
      display: flex;
      align-items: center;
      gap: 7px;
      padding: 5px 8px;
      background: rgba(77,182,172,0.06);
      border: 1px solid rgba(77,182,172,0.3);
      border-radius: 5px;
      font-size: 0.7rem;
      color: var(--muted);
    }
    .mep-sr-170-badge {
      flex-shrink: 0;
      padding: 1px 5px;
      background: var(--teal);
      color: var(--bg);
      border-radius: 3px;
      font-size: 0.6rem;
      font-weight: 800;
    }

    .mep-sr-occ {
      display: flex;
      align-items: center;
      gap: 8px;
      font-size: 0.72rem;
      color: var(--muted);
    }
    .mep-sr-occ span { font-weight: 700; white-space: nowrap; }
    .mep-sr-occ select {
      flex: 1;
      font-size: 0.72rem;
      padding: 3px 5px;
      background: var(--input-bg, var(--overlay-subtle));
      border: 1px solid var(--border);
      border-radius: 4px;
      color: var(--text);
    }

    .mep-sr-overrides {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 6px;
    }
    .mep-sr-overrides label {
      display: flex;
      flex-direction: column;
      gap: 2px;
      font-size: 0.68rem;
    }
    .mep-sr-overrides label span {
      font-weight: 700;
      color: var(--muted);
      text-transform: uppercase;
      letter-spacing: 0.03em;
    }
    .mep-sr-overrides input {
      width: 100%;
      font-size: 0.72rem;
      padding: 3px 5px;
      background: var(--input-bg, var(--overlay-subtle));
      border: 1px solid var(--border);
      border-radius: 4px;
      color: var(--text);
    }

    .mep-sr-notes {
      width: 100%;
      min-height: 48px;
      resize: vertical;
      font-size: 0.72rem;
      padding: 5px 7px;
      background: var(--input-bg, var(--overlay-subtle));
      border: 1px solid var(--border);
      border-radius: 4px;
      color: var(--text);
      font-family: inherit;
      box-sizing: border-box;
    }
    .mep-sr-notes::placeholder { color: var(--muted); opacity: 0.6; }

    .mep-sr-assigns { display: flex; flex-direction: column; gap: 4px; }

    .mep-sr-checks { display: flex; flex-direction: column; gap: 5px; }

    .mep-sr-check {
      display: grid;
      grid-template-columns: 90px 1fr;
      gap: 6px;
      padding: 6px 8px;
      border-left: 3px solid var(--border);
      border-radius: 0 4px 4px 0;
      background: var(--overlay-subtle);
      font-size: 0.72rem;
    }
    .mep-sr-check.severity-critical { border-left-color: var(--error); background: var(--error-faint); }
    .mep-sr-check.severity-warning  { border-left-color: var(--warning); background: var(--warning-faint); }

    .mep-sr-check-std {
      font-size: 0.62rem;
      font-weight: 800;
      text-transform: uppercase;
      color: var(--muted);
      padding-top: 1px;
    }
    .mep-sr-check-body strong {
      display: block;
      color: var(--text);
      font-weight: 760;
      margin-bottom: 2px;
    }
    .mep-sr-check-body span {
      display: block;
      color: var(--muted);
      font-size: 0.68rem;
    }

    .mep-toolbar,
    .mep-assumptions {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
      align-items: center;
      margin-bottom: 10px;
    }

    .mep-toolbar {
      padding: 10px;
      border: 1px solid var(--border);
      border-radius: 7px;
      background: var(--bg-card);
    }

    .mep-toolbar-main,
    .mep-toolbar-secondary,
    .mep-toolbar-more-body {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
      align-items: center;
      min-width: 0;
    }

    .mep-toolbar-main {
      flex: 1 1 540px;
    }

    .mep-toolbar-secondary {
      flex: 1 1 320px;
      justify-content: flex-end;
    }

    .mep-toolbar.is-guided {
      display: grid;
      grid-template-columns: 1fr;
      gap: 8px;
    }

    .mep-toolbar-more {
      border: 1px dashed var(--border);
      border-radius: 7px;
      background: color-mix(in srgb, var(--bg-card) 86%, var(--overlay-subtle));
      padding: 8px 10px;
    }

    .mep-toolbar-more summary {
      cursor: pointer;
      color: var(--muted);
      font-size: 0.74rem;
      font-weight: 800;
      text-transform: uppercase;
      letter-spacing: 0.06em;
    }

    .mep-toolbar-more-body {
      margin-top: 8px;
    }

    .mep-primary-filter {
      display: grid;
      grid-template-columns: auto minmax(190px, 260px);
      gap: 8px;
      align-items: center;
      padding-right: 8px;
      border-right: 1px solid var(--border);
      color: var(--muted);
      font-size: 0.72rem;
      font-weight: 850;
      text-transform: uppercase;
      letter-spacing: 0.07em;
    }

    .mep-primary-filter select {
      height: 34px;
      font-size: 0.84rem;
      font-weight: 760;
      text-transform: none;
      letter-spacing: 0;
      color: var(--text);
    }

    .mep-tabs {
      display: flex;
      flex-wrap: wrap;
      gap: 6px;
      margin-bottom: 10px;
      border-bottom: 1px solid var(--border);
      padding-bottom: 8px;
    }

    .mep-tab {
      height: 30px;
      padding: 0 11px;
      border: 1px solid var(--border);
      border-radius: 6px;
      background: var(--overlay-subtle);
      color: var(--muted);
      font-weight: 700;
      cursor: pointer;
    }

    .mep-tab.active {
      background: rgba(77, 182, 172, 0.18);
      border-color: rgba(77, 182, 172, 0.55);
      color: var(--text);
    }

    .mep-tabs {
      justify-content: space-between;
    }

    .mep-disc-tabs {
      display: flex;
      flex-wrap: wrap;
      gap: 6px;
    }

    /* === MEP Atlas — Source → Systems → Endpoints === */

    .mep-atlas {
      display: grid;
      grid-template-columns: 190px minmax(220px, 260px) 1fr;
      gap: 1px;
      border: 1px solid var(--border);
      border-radius: 8px;
      background: var(--border);
      overflow: hidden;
      min-height: 460px;
    }

    .mep-atlas-col {
      background: var(--bg);
      min-width: 0;
      overflow-y: auto;
    }

    .mep-atlas-col-head {
      padding: 11px 12px 9px;
      border-bottom: 1px solid var(--border);
      background: var(--bg-card);
      position: sticky;
      top: 0;
      z-index: 1;
    }

    .mep-atlas-col-head strong {
      display: block;
      font-size: 0.71rem;
      font-weight: 850;
      text-transform: uppercase;
      letter-spacing: 0.07em;
      color: var(--muted);
    }

    .mep-atlas-col-head span {
      display: block;
      font-size: 0.71rem;
      color: var(--muted);
      margin-top: 2px;
    }

    .mep-atlas-empty {
      padding: 16px 12px;
      font-size: 0.78rem;
      color: var(--muted);
      line-height: 1.5;
    }

    .mep-atlas-source-card {
      display: block;
      width: 100%;
      padding: 11px 12px;
      border: 0;
      border-bottom: 1px solid var(--border-subtle);
      background: transparent;
      text-align: left;
      cursor: pointer;
      color: inherit;
    }

    .mep-atlas-source-card:hover,
    .mep-atlas-source-card.active {
      background: var(--overlay-subtle);
    }

    .mep-atlas-source-disc {
      font-size: 0.7rem;
      font-weight: 850;
      text-transform: uppercase;
      letter-spacing: 0.06em;
      color: var(--muted);
    }

    .mep-atlas-source-metric {
      font-size: 1rem;
      font-weight: 800;
      color: var(--text);
      margin: 3px 0 2px;
    }

    .mep-atlas-source-label {
      font-size: 0.71rem;
      color: var(--muted);
      margin-bottom: 4px;
    }

    .mep-atlas-system-item {
      display: block;
      width: 100%;
      padding: 9px 12px;
      border: 0;
      border-bottom: 1px solid var(--border-subtle);
      border-left: 3px solid transparent;
      background: transparent;
      text-align: left;
      cursor: pointer;
      color: inherit;
    }

    .mep-atlas-system-item:hover {
      background: var(--overlay-subtle);
    }

    .mep-atlas-system-item.active {
      background: rgba(77, 182, 172, 0.07);
      border-left-color: rgba(77, 182, 172, 0.65);
    }

    .mep-atlas-system-item.status-review { border-left-color: var(--warning); }
    .mep-atlas-system-item.status-review.active { background: rgba(255,180,0,0.05); }
    .mep-atlas-system-item.status-blocked { border-left-color: var(--error); }
    .mep-atlas-system-item.status-blocked.active { background: rgba(220,60,60,0.05); }

    .mep-atlas-system-head {
      display: flex;
      justify-content: space-between;
      align-items: baseline;
      gap: 6px;
    }

    .mep-atlas-system-head strong {
      font-size: 0.83rem;
      font-weight: 760;
      color: var(--text);
      min-width: 0;
      overflow: hidden;
      text-overflow: ellipsis;
      white-space: nowrap;
    }

    .mep-atlas-system-head span {
      font-size: 0.78rem;
      font-weight: 700;
      color: var(--text);
      white-space: nowrap;
      flex-shrink: 0;
    }

    .mep-atlas-system-sub {
      font-size: 0.68rem;
      color: var(--muted);
      margin-top: 2px;
    }

    .mep-atlas-system-path {
      font-size: 0.68rem;
      color: var(--muted);
      margin-top: 3px;
      overflow: hidden;
      text-overflow: ellipsis;
      white-space: nowrap;
    }

    .mep-atlas-room {
      border-bottom: 1px solid var(--border-subtle);
    }

    .mep-atlas-room.active {
      background: var(--bg-card);
    }

    .mep-atlas-room-head {
      display: flex;
      justify-content: space-between;
      align-items: center;
      gap: 8px;
      width: 100%;
      padding: 9px 12px;
      border: 0;
      background: transparent;
      text-align: left;
      cursor: pointer;
      color: inherit;
    }

    .mep-atlas-room-head:hover {
      background: var(--overlay-subtle);
    }

    .mep-atlas-room-info strong {
      display: block;
      font-size: 0.82rem;
      font-weight: 760;
      color: var(--text);
    }

    .mep-atlas-room-info span {
      display: block;
      font-size: 0.68rem;
      color: var(--muted);
    }

    .mep-atlas-room-right {
      display: flex;
      flex-direction: column;
      align-items: flex-end;
      gap: 4px;
      white-space: nowrap;
      flex-shrink: 0;
    }

    .mep-atlas-room-right > span {
      font-size: 0.78rem;
      font-weight: 700;
      color: var(--text);
    }

    .mep-atlas-room-detail {
      padding: 12px;
      border-top: 1px solid var(--border-subtle);
      background: var(--bg-card);
    }

    /* Trace section headers */
    .mep-trace-section-head {
      display: flex;
      align-items: baseline;
      gap: 6px;
      margin: 10px 0 5px;
      font-size: 0.7rem;
      font-weight: 850;
      text-transform: uppercase;
      letter-spacing: 0.07em;
      color: var(--muted);
    }

    .mep-trace-section-head:first-child { margin-top: 0; }

    .mep-trace-section-head span {
      font-size: 0.65rem;
      font-weight: 600;
      text-transform: none;
      letter-spacing: 0;
      color: var(--muted);
      opacity: 0.7;
    }

    .mep-trace-assign-head { color: rgba(77, 182, 172, 0.8); }

    /* MEP Basis rows (calculated, read-only) */
    .mep-trace-basis {
      display: flex;
      flex-direction: column;
      gap: 3px;
      margin-bottom: 6px;
      padding: 8px 10px;
      background: var(--overlay-subtle);
      border-radius: 5px;
    }

    .mep-basis-row {
      display: grid;
      grid-template-columns: 72px 1fr auto;
      gap: 8px;
      align-items: baseline;
    }

    .mep-trace-disc {
      font-size: 0.68rem;
      font-weight: 850;
      text-transform: uppercase;
      letter-spacing: 0.06em;
      color: var(--muted);
    }

    .mep-basis-detail {
      font-size: 0.79rem;
      color: var(--text);
    }

    .mep-basis-source {
      font-size: 0.67rem;
      color: var(--muted);
      white-space: nowrap;
      font-style: italic;
    }

    /* System Assignment rows (engineer input) */
    .mep-trace-assigns {
      display: flex;
      flex-direction: column;
      gap: 4px;
      margin-bottom: 8px;
    }

    .mep-assign-row {
      display: grid;
      grid-template-columns: 72px 1fr auto;
      gap: 8px;
      align-items: center;
    }

    .mep-assign-input {
      height: 26px;
      padding: 2px 7px;
      border: 1px solid var(--input-border);
      border-radius: 4px;
      background: var(--input-bg);
      color: var(--text);
      font: inherit;
      font-size: 0.79rem;
      min-width: 0;
    }

    .mep-assign-input.is-default {
      border-style: dashed;
      color: var(--muted);
    }

    .mep-assign-input:focus {
      outline: none;
      border-color: rgba(77, 182, 172, 0.65);
      border-style: solid;
      color: var(--text);
    }

    .mep-assign-hint {
      font-size: 0.65rem;
      color: var(--muted);
      white-space: nowrap;
    }

    .mep-assign-hint.is-set {
      color: rgba(77, 182, 172, 0.8);
    }

    .mep-trace-issues {
      display: flex;
      flex-direction: column;
      gap: 3px;
      margin-bottom: 8px;
    }

    .mep-trace-issue {
      font-size: 0.72rem;
      color: var(--warning);
      padding-left: 15px;
      position: relative;
    }

    .mep-trace-issue::before {
      content: '⚠';
      position: absolute;
      left: 0;
    }

    .mep-trace-full {
      border: 1px dashed var(--border);
      border-radius: 5px;
      padding: 6px 10px;
    }

    .mep-trace-full summary {
      font-size: 0.72rem;
      color: var(--muted);
      cursor: pointer;
      font-weight: 700;
    }

    .mep-trace-full-body { margin-top: 10px; }

    .mep-atlas-issues {
      display: flex;
      flex-wrap: wrap;
      gap: 6px;
      align-items: center;
      margin-top: 8px;
      padding: 8px 10px;
      border: 1px solid var(--border);
      border-radius: 7px;
      background: var(--bg-card);
    }

    .mep-atlas-issues-label {
      font-size: 0.71rem;
      font-weight: 850;
      text-transform: uppercase;
      letter-spacing: 0.06em;
      color: var(--muted);
      margin-right: 4px;
    }

    .mep-atlas-issue {
      display: flex;
      flex-direction: column;
      padding: 5px 9px;
      border: 1px solid var(--border);
      border-radius: 5px;
      background: var(--overlay-subtle);
      cursor: pointer;
      text-align: left;
      color: inherit;
      max-width: 260px;
    }

    .mep-atlas-issue.status-blocked { border-color: var(--error); }
    .mep-atlas-issue.status-review { border-color: var(--warning); }

    .mep-atlas-issue strong {
      font-size: 0.74rem;
      font-weight: 760;
      color: var(--text);
    }

    .mep-atlas-issue span {
      font-size: 0.68rem;
      color: var(--muted);
      overflow: hidden;
      text-overflow: ellipsis;
      white-space: nowrap;
    }

    /* Revit system match badges on system nodes */
    .mep-atlas-system-revit {
      display: flex;
      align-items: center;
      gap: 4px;
      margin-top: 2px;
    }

    .mep-sys-revit-badge {
      display: inline-block;
      font-size: 0.62rem;
      font-weight: 600;
      padding: 1px 5px;
      border-radius: 3px;
      letter-spacing: 0.02em;
      text-transform: uppercase;
      background: var(--overlay-subtle, rgba(0,0,0,0.06));
      color: var(--muted);
      border: 1px solid transparent;
    }

    .mep-sys-revit-badge.is-matched {
      background: color-mix(in srgb, var(--teal, #0d9488) 12%, transparent);
      color: var(--teal, #0d9488);
      border-color: color-mix(in srgb, var(--teal, #0d9488) 30%, transparent);
    }

    .mep-sys-revit-badge.is-partial {
      background: color-mix(in srgb, var(--warning, #d97706) 12%, transparent);
      color: var(--warning, #d97706);
      border-color: color-mix(in srgb, var(--warning, #d97706) 30%, transparent);
    }

    .mep-sys-revit-badge.is-missing {
      background: color-mix(in srgb, var(--muted, #888) 10%, transparent);
      color: var(--muted, #888);
      border-color: color-mix(in srgb, var(--muted, #888) 25%, transparent);
    }

    /* Assignment dropdown (matches text input styling) */
    .mep-assign-select {
      height: 26px;
      padding: 2px 6px;
      font-size: 0.76rem;
      border-radius: 4px;
      border: 1px solid var(--border);
      background: var(--bg-input, var(--bg-card));
      color: var(--text);
      cursor: pointer;
      min-width: 0;
      width: 100%;
    }

    .mep-assign-select.is-default {
      border-style: dashed;
      color: var(--muted);
    }

    .mep-assign-select:focus {
      outline: none;
      border-color: var(--teal, #0d9488);
    }

    /* Revit tab systems delta table */
    .mep-systems-delta-table {
      width: 100%;
      border-collapse: collapse;
      font-size: 0.76rem;
      margin-top: 8px;
    }

    .mep-systems-delta-table th {
      text-align: left;
      font-size: 0.68rem;
      font-weight: 600;
      text-transform: uppercase;
      letter-spacing: 0.04em;
      color: var(--muted);
      padding: 4px 8px;
      border-bottom: 1px solid var(--border);
    }

    .mep-systems-delta-table td {
      padding: 5px 8px;
      border-bottom: 1px solid var(--border-subtle, var(--border));
      vertical-align: middle;
    }

    .mep-table-group-row td {
      font-size: 0.68rem;
      font-weight: 700;
      text-transform: uppercase;
      letter-spacing: 0.05em;
      color: var(--muted);
      padding: 8px 8px 3px;
      background: var(--bg-card);
      border-bottom: 1px solid var(--border);
    }

    .mep-systems-delta-table tr.status-ok td { color: var(--text); }
    .mep-systems-delta-table tr.status-review td:first-child { color: var(--warning, #d97706); }
    .mep-systems-delta-table tr.status-missing td:first-child { color: var(--muted); font-style: italic; }

    /* Model components section (placed Revit MEP families) */
    .mep-trace-components-head { color: var(--teal, #0d9488); }

    .mep-trace-components {
      display: flex;
      flex-direction: column;
      gap: 3px;
      padding: 6px 0;
    }

    .mep-component-row {
      display: grid;
      grid-template-columns: 18px 1fr auto;
      align-items: center;
      gap: 6px;
      padding: 3px 4px;
      border-radius: 4px;
      font-size: 0.74rem;
    }

    .mep-component-row.is-low {
      background: color-mix(in srgb, var(--warning, #d97706) 8%, transparent);
    }

    .mep-component-row.is-high {
      background: color-mix(in srgb, var(--teal, #0d9488) 8%, transparent);
    }

    .mep-component-cat {
      display: flex;
      align-items: center;
      justify-content: center;
      width: 18px;
      height: 18px;
      border-radius: 3px;
      font-size: 0.6rem;
      font-weight: 700;
      flex-shrink: 0;
    }

    .mep-component-cat--hvac       { background: color-mix(in srgb, var(--teal, #0d9488) 18%, transparent); color: var(--teal, #0d9488); }
    .mep-component-cat--electrical { background: color-mix(in srgb, var(--warning, #d97706) 18%, transparent); color: var(--warning, #d97706); }
    .mep-component-cat--piping     { background: color-mix(in srgb, #3b82f6 18%, transparent); color: #3b82f6; }

    .mep-component-label {
      overflow: hidden;
      text-overflow: ellipsis;
      white-space: nowrap;
      color: var(--text);
      display: flex;
      flex-direction: column;
      gap: 1px;
    }

    .mep-component-label small {
      font-size: 0.62rem;
      color: var(--muted);
      overflow: hidden;
      text-overflow: ellipsis;
      white-space: nowrap;
    }

    .mep-component-eng {
      font-size: 0.7rem;
      color: var(--muted);
      white-space: nowrap;
      text-align: right;
    }

    .mep-component-eng.is-low  { color: var(--warning, #d97706); font-weight: 600; }
    .mep-component-eng.is-high { color: var(--teal, #0d9488);    font-weight: 600; }

    /* System node wrapper — groups the node button with its action row */
    .mep-atlas-system-wrap {
      display: flex;
      flex-direction: column;
    }

    .mep-sys-actions {
      display: flex;
      gap: 4px;
      padding: 3px 8px 5px;
      border-left: 3px solid transparent;
      background: var(--bg-card);
    }

    .mep-atlas-system-wrap:has(.mep-atlas-system-item.active) .mep-sys-actions {
      border-left-color: var(--teal, #0d9488);
    }

    .mep-sys-action-btn {
      font-size: 0.65rem;
      font-weight: 600;
      padding: 2px 7px;
      border-radius: 3px;
      border: 1px solid var(--border);
      background: var(--bg-card);
      color: var(--muted);
      cursor: pointer;
      letter-spacing: 0.02em;
      transition: color 0.1s, border-color 0.1s;
    }

    .mep-sys-action-btn:hover {
      color: var(--text);
      border-color: var(--text);
    }

    .mep-sys-action-enact {
      color: var(--teal, #0d9488);
      border-color: color-mix(in srgb, var(--teal, #0d9488) 40%, transparent);
    }

    .mep-sys-action-enact:hover {
      background: color-mix(in srgb, var(--teal, #0d9488) 10%, transparent);
      border-color: var(--teal, #0d9488);
      color: var(--teal, #0d9488);
    }

    .mep-toolbar input,
    .mep-toolbar select,
    .mep-field input,
    .mep-field select,
    .mep-inline-controls select,
    .mep-mini-select,
    .mep-detail-row input {
      height: 32px;
      padding: 6px 8px;
      border: 1px solid var(--input-border);
      border-radius: 6px;
      background: var(--input-bg);
      color: var(--text);
      font: inherit;
    }

    .mep-check {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      color: var(--muted);
      font-size: 0.78rem;
      white-space: nowrap;
    }

    .mep-search {
      flex: 1 1 260px;
      min-width: 180px;
    }

    .mep-mode-toggle {
      display: inline-flex;
      align-items: center;
      gap: 2px;
      padding: 3px;
      border: 1px solid var(--border);
      border-radius: 999px;
      background: var(--overlay-subtle);
      white-space: nowrap;
    }

    .mep-mode-toggle button {
      height: 30px;
      min-width: 74px;
      padding: 0 12px;
      border: 1px solid transparent;
      border-radius: 999px;
      background: transparent;
      color: var(--muted);
      font: inherit;
      font-size: 0.75rem;
      font-weight: 820;
      cursor: pointer;
    }

    .mep-mode-toggle button.active {
      background: rgba(77, 182, 172, 0.18);
      border-color: rgba(77, 182, 172, 0.4);
      color: var(--text);
    }

    .mep-guide-rail {
      display: grid;
      grid-template-columns: minmax(260px, 1fr) minmax(260px, 0.85fr);
      gap: 12px;
      margin-bottom: 8px;
      padding: 11px 12px;
      border: 1px solid rgba(77, 182, 172, 0.28);
      border-radius: 8px;
      background:
        radial-gradient(circle at top right, rgba(77, 182, 172, 0.14), transparent 36%),
        linear-gradient(135deg, color-mix(in srgb, var(--bg-card) 92%, var(--overlay-subtle)), color-mix(in srgb, var(--bg-card) 82%, var(--overlay-subtle)));
    }

    .mep-guide-intro span {
      display: block;
      margin-bottom: 4px;
      color: var(--teal);
      font-size: 0.68rem;
      font-weight: 850;
      text-transform: uppercase;
      letter-spacing: 0.08em;
    }

    .mep-guide-intro h3 {
      margin: 0 0 4px;
      color: var(--text);
      font-size: 0.94rem;
      line-height: 1.2;
    }

    .mep-guide-intro p {
      color: var(--muted);
      font-size: 0.74rem;
      line-height: 1.35;
      max-width: 62ch;
    }

    .mep-guide-steps {
      display: grid;
      grid-template-columns: repeat(3, minmax(0, 1fr));
      gap: 8px;
    }

    .mep-guide-step {
      padding: 9px 10px;
      border: 1px solid var(--border);
      border-radius: 7px;
      background: rgba(255,255,255,0.04);
    }

    .mep-guide-step strong {
      display: block;
      color: var(--text);
      font-size: 0.92rem;
      line-height: 1.25;
      margin-bottom: 2px;
    }

    .mep-guide-step small {
      display: block;
      color: var(--muted);
      font-size: 0.7rem;
      line-height: 1.35;
    }

    .mep-discipline-context {
      display: grid;
      grid-template-columns: minmax(260px, 0.8fr) minmax(320px, 1.2fr);
      gap: 12px;
      align-items: stretch;
      margin: 0 0 12px;
      padding: 12px;
      border: 1px solid var(--border);
      border-radius: 7px;
      background: var(--bg-card);
    }

    .mep-discipline-context > div:first-child {
      display: flex;
      flex-direction: column;
      justify-content: center;
      min-width: 0;
    }

    .mep-discipline-context strong {
      color: var(--text);
      font-size: 0.94rem;
      font-weight: 850;
      line-height: 1.2;
    }

    .mep-discipline-context span {
      margin-top: 5px;
      color: var(--muted);
      font-size: 0.78rem;
      line-height: 1.4;
    }

    .mep-discipline-context .mep-impact-strip {
      margin: 0;
    }

    .mep-btn {
      height: 32px;
      padding: 0 12px;
      border: 1px solid rgba(77, 182, 172, 0.45);
      border-radius: 6px;
      background: rgba(77, 182, 172, 0.14);
      color: var(--text);
      font-weight: 700;
      cursor: pointer;
    }

    .mep-btn:hover {
      background: rgba(77, 182, 172, 0.22);
    }

    .mep-field {
      display: grid;
      grid-template-columns: auto 76px;
      gap: 6px;
      align-items: center;
      color: var(--muted);
      font-size: 0.76rem;
    }

    .mep-field input,
    .mep-field select {
      width: 76px;
      text-align: right;
    }

    .mep-assumption-panel {
      margin-bottom: 10px;
      border: 1px solid var(--border);
      border-radius: 7px;
      background: var(--overlay-subtle);
      padding: 8px 10px;
    }

    .mep-assumption-panel summary {
      cursor: pointer;
      color: var(--muted);
      font-size: 0.76rem;
      font-weight: 800;
      text-transform: uppercase;
      letter-spacing: 0.05em;
    }

    .mep-assumption-panel .mep-assumptions {
      margin-top: 10px;
      margin-bottom: 2px;
    }

    .mep-section-group {
      border: 1px solid var(--border);
      border-radius: 7px;
      background: var(--bg-card);
      margin: 0 0 10px;
      overflow: hidden;
    }

    .mep-section-group > summary {
      display: flex;
      align-items: center;
      min-height: 42px;
      padding: 0 12px;
      cursor: pointer;
      color: var(--text);
      background: color-mix(in srgb, var(--bg-card) 88%, var(--overlay-subtle));
      border-bottom: 1px solid transparent;
      font-size: 0.78rem;
      font-weight: 850;
      text-transform: uppercase;
      letter-spacing: 0.07em;
      list-style: none;
    }

    .mep-section-group > summary::-webkit-details-marker {
      display: none;
    }

    .mep-section-group > summary::after {
      content: '+';
      margin-left: auto;
      color: var(--muted);
      font-size: 1rem;
      font-weight: 600;
    }

    .mep-section-group[open] > summary {
      border-bottom-color: var(--border);
    }

    .mep-section-group[open] > summary::after {
      content: '-';
    }

    .mep-section-group-body {
      padding: 12px;
    }

    .mep-section-group-body > .mep-section-title:first-child,
    .mep-section-group-body > .mep-impact-strip:first-child,
    .mep-section-group-body > .mep-summary:first-child {
      margin-top: 0;
    }

    .mep-summary {
      display: grid;
      grid-template-columns: repeat(6, minmax(120px, 1fr));
      gap: 8px;
      margin: 12px 0 14px;
    }

    .mep-impact-strip {
      display: grid;
      grid-template-columns: repeat(3, minmax(150px, 1fr));
      gap: 8px;
      margin: 0 0 14px;
    }

    .mep-metric {
      border: 1px solid var(--border);
      border-radius: 6px;
      background: color-mix(in srgb, var(--bg-card) 88%, var(--overlay-subtle));
      padding: 11px 12px;
      min-width: 0;
    }

    .mep-metric-label {
      color: var(--muted);
      font-size: 0.72rem;
      text-transform: uppercase;
      letter-spacing: 0.04em;
      margin-bottom: 4px;
    }

    .mep-metric-value {
      font-size: 1.05rem;
      font-weight: 800;
      color: var(--text);
      white-space: nowrap;
      overflow: hidden;
      text-overflow: ellipsis;
    }

    .mep-metric-sub,
    .mep-room-path,
    .mep-note {
      color: var(--muted);
      font-size: 0.74rem;
    }

    .mep-section-title {
      margin: 16px 0 7px;
      color: var(--text);
      font-size: 0.78rem;
      font-weight: 800;
      text-transform: uppercase;
      letter-spacing: 0.08em;
    }

    .mep-table {
      width: 100%;
      border-collapse: collapse;
      margin-bottom: 12px;
      border: 1px solid var(--border);
      background: var(--bg-card);
    }

    .mep-table th,
    .mep-table td {
      border-bottom: 1px solid var(--border-subtle);
      padding: 7px 8px;
      text-align: right;
      vertical-align: top;
    }

    .mep-table th {
      position: sticky;
      top: 0;
      z-index: 1;
      background: var(--panel-elevated);
      color: var(--muted);
      font-size: 0.7rem;
      text-transform: uppercase;
      letter-spacing: 0.04em;
    }

    .mep-table th:first-child,
    .mep-table td:first-child,
    .mep-room-table th:nth-child(2),
    .mep-room-table td:nth-child(2),
    .mep-room-table th:last-child,
    .mep-room-table td:last-child {
      text-align: left;
    }

    .mep-table tr:hover td {
      background: var(--overlay-hover);
    }

    .mep-row-selected td {
      background: rgba(77, 182, 172, 0.1);
    }

    .mep-room-name {
      color: var(--text);
      font-weight: 700;
      line-height: 1.25;
    }

    .mep-ledger-head {
      display: flex;
      align-items: end;
      justify-content: space-between;
      gap: 16px;
      margin: 12px 0 10px;
      padding-bottom: 12px;
      border-bottom: 1px solid var(--border);
    }

    .mep-ledger-head p {
      max-width: 780px;
      margin: 4px 0 0;
      color: var(--muted);
      font-size: 0.82rem;
      line-height: 1.42;
    }

    .mep-ledger-count {
      color: var(--text);
      font-size: 1.35rem;
      font-weight: 850;
      text-align: right;
      white-space: nowrap;
    }

    .mep-ledger-count span {
      display: block;
      color: var(--muted);
      font-size: 0.68rem;
      font-weight: 760;
      text-transform: uppercase;
      letter-spacing: 0.08em;
    }

    .mep-ledger-table td {
      text-align: left;
      white-space: normal;
      line-height: 1.35;
    }

    .mep-ledger-table td strong {
      color: var(--text);
      font-weight: 820;
    }

    .mep-ledger-table th:nth-child(2),
    .mep-ledger-table td:nth-child(2) {
      width: 30%;
    }

    .mep-ledger-table th:nth-child(3),
    .mep-ledger-table td:nth-child(3) {
      width: 28%;
    }

    .mep-ledger-table th:nth-child(4),
    .mep-ledger-table td:nth-child(4) {
      width: 22%;
    }

    .mep-driver {
      display: inline-block;
      max-width: 220px;
      color: var(--teal);
      line-height: 1.25;
    }

    .mep-mini-select {
      width: 180px;
      max-width: 100%;
      height: 28px;
      font-size: 0.76rem;
    }

    .mep-inline-controls {
      display: flex;
      justify-content: flex-end;
      margin-bottom: 6px;
    }

    .mep-risk-list {
      display: grid;
      grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
      gap: 8px;
      margin-bottom: 12px;
    }

    .mep-risk-item {
      display: flex;
      flex-direction: column;
      align-items: flex-start;
      gap: 3px;
      min-height: 54px;
      padding: 9px;
      border: 1px solid var(--warning);
      border-radius: 7px;
      background: var(--warning-faint);
      color: var(--text);
      cursor: pointer;
      text-align: left;
    }

    .mep-risk-item span {
      font-weight: 800;
    }

    .mep-risk-item small {
      color: var(--muted);
      line-height: 1.25;
    }

    .mep-standards-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
      gap: 8px;
      margin: 10px 0 14px;
    }

    .mep-standard-card {
      border: 1px solid var(--border);
      border-radius: 7px;
      background: var(--overlay-subtle);
      padding: 10px;
      min-width: 0;
    }

    .mep-standard-label {
      color: var(--text);
      font-weight: 850;
      margin-bottom: 3px;
    }

    .mep-standard-discipline,
    .mep-standard-intent {
      color: var(--muted);
      font-size: 0.73rem;
      line-height: 1.35;
    }

    .mep-standard-count {
      margin: 7px 0;
      color: var(--teal);
      font-size: 0.78rem;
      font-weight: 800;
    }

    .mep-standard-link {
      display: inline-flex;
      margin-top: 7px;
      color: var(--accent);
      font-size: 0.73rem;
      font-weight: 800;
      text-decoration: none;
    }

    .mep-standard-link:hover {
      text-decoration: underline;
    }

    .mep-intent-shell {
      display: block;
    }

    .mep-intent-hero {
      display: grid;
      grid-template-columns: minmax(280px, 1fr) minmax(320px, 0.72fr);
      gap: 18px;
      align-items: end;
      padding: 18px 2px 16px;
      border-bottom: 1px solid var(--border);
      margin-bottom: 14px;
    }

    .mep-intent-hero h3 {
      margin: 0;
      color: var(--text);
      font-size: 1.35rem;
      line-height: 1.15;
      letter-spacing: 0;
      font-weight: 820;
    }

    .mep-intent-hero p {
      max-width: 660px;
      margin: 8px 0 0;
      color: var(--muted);
      font-size: 0.86rem;
      line-height: 1.45;
    }

    .mep-intent-stats {
      display: grid;
      grid-template-columns: repeat(3, minmax(0, 1fr));
      gap: 8px;
    }

    .mep-intent-flow {
      display: grid;
      grid-template-columns: repeat(5, minmax(0, 1fr));
      border: 1px solid var(--border);
      border-radius: 6px;
      overflow: hidden;
      background: var(--bg-card);
      margin-bottom: 12px;
    }

    .mep-intent-flow div {
      min-height: 78px;
      padding: 12px;
      border-right: 1px solid var(--border-subtle);
      background: linear-gradient(180deg, color-mix(in srgb, var(--bg-card) 94%, white), var(--bg-card));
    }

    .mep-intent-flow div:last-child {
      border-right: 0;
    }

    .mep-intent-flow strong {
      display: block;
      margin-bottom: 6px;
      color: var(--text);
      font-size: 0.8rem;
      font-weight: 850;
    }

    .mep-intent-flow span {
      display: block;
      color: var(--muted);
      font-size: 0.72rem;
      line-height: 1.35;
    }

    .mep-intent-reference {
      display: grid;
      grid-template-columns: repeat(2, minmax(0, 1fr));
      gap: 8px;
      margin: 10px 0 14px;
    }

    .mep-intent-reference details {
      border: 1px solid var(--border);
      border-radius: 6px;
      background: var(--overlay-subtle);
      padding: 0;
    }

    .mep-intent-reference summary {
      cursor: pointer;
      padding: 10px 12px;
      color: var(--text);
      font-size: 0.78rem;
      font-weight: 820;
      text-transform: uppercase;
      letter-spacing: 0.06em;
    }

    .mep-intent-reference dl {
      display: grid;
      grid-template-columns: minmax(130px, 0.42fr) minmax(0, 1fr);
      gap: 8px 12px;
      margin: 0;
      padding: 0 12px 12px;
    }

    .mep-intent-reference dt {
      color: var(--text);
      font-size: 0.74rem;
      font-weight: 800;
    }

    .mep-intent-reference dd {
      margin: 0;
      color: var(--muted);
      font-size: 0.73rem;
      line-height: 1.35;
    }

    .mep-intent-table td {
      text-align: left;
      white-space: normal;
      line-height: 1.35;
    }

    .mep-token-list {
      display: flex;
      flex-wrap: wrap;
      gap: 5px;
      margin-top: 7px;
    }

    .mep-token-list span {
      display: inline-flex;
      align-items: center;
      min-height: 22px;
      padding: 3px 7px;
      border: 1px solid var(--border);
      border-radius: 5px;
      background: color-mix(in srgb, var(--bg-card) 90%, var(--overlay-subtle));
      color: var(--muted);
      font-size: 0.68rem;
      font-weight: 720;
      line-height: 1.15;
    }

    .mep-intent-box .mep-detail-row strong {
      text-align: left;
      line-height: 1.25;
    }

    .mep-intent-large {
      color: var(--text);
      font-size: 0.92rem;
      font-weight: 850;
      line-height: 1.3;
      margin-bottom: 6px;
    }

    .mep-muted-line {
      color: var(--muted);
      font-size: 0.73rem;
      line-height: 1.35;
    }

    .mep-intent-review {
      display: inline-block;
      margin-top: 6px;
      color: var(--warning);
      font-size: 0.73rem;
      font-weight: 720;
      line-height: 1.35;
    }

    .mep-target-list {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
      border: 1px solid var(--border);
      border-radius: 6px;
      overflow: hidden;
      background: var(--bg-card);
      margin-bottom: 14px;
    }

    .mep-target-row {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 12px;
      min-height: 38px;
      padding: 8px 11px;
      border-right: 1px solid var(--border-subtle);
      border-bottom: 1px solid var(--border-subtle);
      color: var(--muted);
      font-size: 0.74rem;
    }

    .mep-target-row span {
      overflow: hidden;
      text-overflow: ellipsis;
      white-space: nowrap;
    }

    .mep-target-row strong {
      color: var(--text);
      font-size: 0.82rem;
      font-weight: 850;
    }

    .mep-target-row:nth-child(3n) {
      border-right: 0;
    }

    .mep-check-list {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
      gap: 8px;
      margin: 8px 0;
    }

    .mep-check-card {
      border: 1px solid var(--border);
      border-radius: 7px;
      background: var(--overlay-subtle);
      padding: 9px;
      line-height: 1.35;
    }

    .mep-check-card.severity-critical,
    .mep-severity-pill.severity-critical {
      border-color: var(--error);
      background: var(--error-faint);
    }

    .mep-check-card.severity-warning,
    .mep-severity-pill.severity-warning {
      border-color: var(--warning);
      background: var(--warning-faint);
    }

    .mep-check-card.severity-info,
    .mep-severity-pill.severity-info {
      border-color: var(--info);
      background: var(--info-faint);
    }

    .mep-check-head {
      display: flex;
      justify-content: space-between;
      gap: 8px;
      color: var(--muted);
      font-size: 0.68rem;
      text-transform: uppercase;
      letter-spacing: 0.05em;
      margin-bottom: 5px;
    }

    .mep-check-title {
      color: var(--text);
      font-weight: 800;
      margin-bottom: 4px;
    }

    .mep-check-detail,
    .mep-check-action {
      color: var(--muted);
      font-size: 0.74rem;
    }

    .mep-check-action {
      margin-top: 5px;
      color: var(--teal);
    }

    /* Staged-from badge — shown when a check is downgraded due to design stage */
    .mep-check-staged-badge {
      margin-left: auto;
      color: var(--muted);
      font-size: 0.62rem;
      opacity: 0.7;
      font-style: italic;
      white-space: nowrap;
    }

    /* ASHRAE 170 floor reference banner above check list */
    .mep-check-170-ref {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      align-items: center;
      background: var(--overlay-subtle);
      border: 1px solid var(--teal);
      border-radius: 6px;
      padding: 6px 10px;
      font-size: 0.72rem;
      color: var(--muted);
      margin-bottom: 8px;
    }
    .mep-check-170-label {
      color: var(--teal);
      font-weight: 700;
      text-transform: uppercase;
      letter-spacing: 0.04em;
      margin-right: 4px;
    }

    /* Stage context note above check cards */
    .mep-check-stage-note {
      font-size: 0.7rem;
      color: var(--muted);
      font-style: italic;
      margin-bottom: 6px;
      padding: 0 2px;
    }

    .mep-severity-pill {
      display: inline-flex;
      align-items: center;
      height: 22px;
      padding: 0 7px;
      border: 1px solid var(--border);
      border-radius: 999px;
      color: var(--text);
      font-size: 0.68rem;
      font-weight: 800;
      text-transform: uppercase;
    }

    .mep-readiness-pill {
      display: inline-flex;
      align-items: center;
      height: 22px;
      padding: 0 7px;
      border: 1px solid var(--border);
      border-radius: 999px;
      color: var(--text);
      font-size: 0.68rem;
      font-weight: 800;
      text-transform: uppercase;
      white-space: nowrap;
    }

    .mep-readiness-pill.status-ready {
      border-color: var(--success);
      background: var(--success-faint);
    }

    .mep-readiness-pill.status-review {
      border-color: var(--warning);
      background: var(--warning-faint);
    }

    .mep-readiness-pill.status-not-ready {
      border-color: var(--error);
      background: var(--error-faint);
    }

    .mep-readiness-table td {
      text-align: left;
      white-space: normal;
      line-height: 1.35;
    }

    .mep-check-table td {
      text-align: left;
      white-space: normal;
      line-height: 1.35;
    }

    .mep-chain-table td {
      text-align: left;
      white-space: normal;
      line-height: 1.35;
    }

    .mep-chain-table td:nth-child(5) strong {
      display: block;
      max-width: 280px;
      color: var(--text);
      font-size: 0.73rem;
      line-height: 1.3;
      word-break: break-word;
    }

    .mep-chain-status {
      display: inline-flex;
      align-items: center;
      min-height: 22px;
      padding: 2px 7px;
      border: 1px solid var(--border);
      border-radius: 5px;
      color: var(--text);
      background: var(--overlay-subtle);
      font-size: 0.68rem;
      font-weight: 820;
      text-transform: uppercase;
      white-space: nowrap;
    }

    .mep-chain-status.status-ready {
      border-color: var(--success);
      background: var(--success-faint);
    }

    .mep-chain-status.status-review,
    .mep-chain-status.status-inferred,
    .mep-chain-status.status-assumption-led {
      border-color: var(--warning);
      background: var(--warning-faint);
    }

    .mep-chain-status.status-needs-data,
    .mep-chain-status.status-needs-area,
    .mep-chain-status.status-needs-zone,
    .mep-chain-status.status-critical-review {
      border-color: var(--error);
      background: var(--error-faint);
    }

    .mep-chain-status.status-blocked {
      border-color: var(--error);
      background: var(--error-faint);
    }

    .mep-network-workspace {
      display: grid;
      gap: 14px;
      padding: 0 0 18px;
    }

    .mep-network-topline {
      display: grid;
      grid-template-columns: minmax(280px, 0.8fr) minmax(360px, 1fr);
      gap: 14px;
      align-items: end;
      padding: 12px;
      border: 1px solid var(--border);
      border-radius: 8px;
      background: var(--bg-card);
    }

    .mep-network-topline .mep-section-title {
      margin-top: 0;
    }

    .mep-network-topline h3 {
      margin: 0 0 5px;
      color: var(--text);
      font-size: 1.08rem;
      line-height: 1.2;
    }

    .mep-network-topline p {
      margin: 0;
      color: var(--muted);
      font-size: 0.76rem;
      line-height: 1.4;
      max-width: 72ch;
    }

    .mep-network-layout {
      display: grid;
      grid-template-columns: minmax(0, 1fr) minmax(250px, 0.28fr);
      gap: 12px;
      align-items: start;
    }

    .mep-network-layout > main,
    .mep-network-layout > aside,
    .mep-network-inspector {
      min-width: 0;
      border: 1px solid var(--border);
      border-radius: 8px;
      background: var(--bg-card);
    }

    .mep-network-layout > main {
      overflow: auto;
    }

    .mep-network-layout > aside {
      padding: 12px;
    }

    .mep-network-schematic-shell {
      min-height: 520px;
      overflow: auto;
      background:
        linear-gradient(90deg, color-mix(in srgb, var(--border-subtle) 42%, transparent) 1px, transparent 1px),
        linear-gradient(0deg, color-mix(in srgb, var(--border-subtle) 34%, transparent) 1px, transparent 1px),
        color-mix(in srgb, var(--bg-card) 94%, var(--overlay-subtle));
      background-size: 160px 160px, 160px 160px, auto;
    }

    .mep-network-schematic {
      display: block;
      min-width: 980px;
      width: 100%;
      height: auto;
      padding: 6px;
    }

    .mep-network-schematic text {
      font-family: inherit;
      pointer-events: none;
    }

    .mep-network-schematic marker path {
      fill: color-mix(in srgb, var(--muted) 58%, transparent);
    }

    .mep-schematic-axis {
      fill: var(--muted);
      font-size: 11px;
      font-weight: 850;
      letter-spacing: 0.08em;
      text-transform: uppercase;
    }

    .mep-schematic-band {
      fill: color-mix(in srgb, var(--bg-card) 88%, var(--overlay-subtle));
      stroke: var(--border-subtle);
      stroke-width: 1;
    }

    .mep-schematic-discipline {
      fill: var(--text);
      font-size: 13px;
      font-weight: 850;
    }

    .mep-schematic-discipline-sub {
      fill: var(--muted);
      font-size: 10px;
      font-weight: 700;
    }

    .mep-schematic-run,
    .mep-schematic-branch path,
    .mep-schematic-rail {
      fill: none;
      stroke: color-mix(in srgb, var(--muted) 34%, transparent);
      stroke-width: 1.4;
      stroke-linecap: round;
      marker-end: url(#mepSchematicArrow);
    }

    .mep-schematic-rail,
    .mep-schematic-branch path {
      stroke: color-mix(in srgb, var(--muted) 30%, transparent);
      stroke-width: 1;
      marker-end: none;
    }

    .mep-schematic-node,
    .mep-schematic-system,
    .mep-schematic-endpoint {
      cursor: pointer;
    }

    .mep-schematic-node circle,
    .mep-schematic-endpoint circle {
      fill: var(--bg-card);
      stroke: color-mix(in srgb, var(--muted) 48%, var(--border));
      stroke-width: 1.5;
    }

    .mep-schematic-system rect {
      fill: color-mix(in srgb, var(--bg-card) 98%, var(--overlay-subtle));
      stroke: color-mix(in srgb, var(--muted) 34%, var(--border));
      stroke-width: 1;
    }

    /* Code severity tint on system rects */
    .mep-schematic-system.code-node-critical rect {
      stroke: var(--error);
      stroke-width: 1.5;
    }
    .mep-schematic-system.code-node-warning rect {
      stroke: var(--warning);
      stroke-width: 1.5;
    }
    /* Code severity tint on endpoint circles */
    .mep-schematic-endpoint.code-node-critical circle:first-of-type {
      stroke: var(--error);
      stroke-width: 2;
    }
    .mep-schematic-endpoint.code-node-warning circle:first-of-type {
      stroke: var(--warning);
      stroke-width: 2;
    }

    /* Severity indicator dot floating at top-right of system rect */
    .mep-schematic-code-dot {
      pointer-events: none;
    }
    .mep-schematic-code-dot.code-critical { fill: var(--error); }
    .mep-schematic-code-dot.code-warning  { fill: var(--warning); }
    .mep-schematic-code-dot.code-info     { fill: var(--info); }

    .mep-schematic-node.selected circle,
    .mep-schematic-endpoint:hover circle,
    .mep-schematic-system:hover rect,
    .mep-schematic-branch.selected .mep-schematic-system rect {
      stroke: color-mix(in srgb, var(--teal) 62%, var(--border));
      stroke-width: 2;
    }

    .mep-schematic-label,
    .mep-schematic-system-title {
      fill: var(--text);
      font-size: 10.5px;
      font-weight: 820;
    }

    .mep-schematic-sub {
      fill: var(--muted);
      font-size: 9.5px;
      font-weight: 650;
    }

    .mep-network-issue span {
      display: block;
      color: var(--muted);
      font-size: 0.68rem;
      line-height: 1.3;
    }

    .mep-network-issues {
      display: grid;
      gap: 0;
      max-height: 490px;
      overflow: auto;
      border-top: 1px solid var(--border-subtle);
    }

    .mep-network-issue {
      width: 100%;
      padding: 10px 2px;
      border: 0;
      border-bottom: 1px solid var(--border-subtle);
      border-left: 0;
      border-radius: 0;
      background: transparent;
      text-align: left;
      cursor: pointer;
    }

    .mep-network-issue.status-blocked {
      border-left-color: transparent;
    }

    .mep-network-issue strong {
      display: block;
      margin-bottom: 4px;
      color: var(--text);
      font-size: 0.76rem;
      line-height: 1.25;
    }

    .mep-network-issue em {
      display: block;
      margin-bottom: 5px;
      color: var(--muted);
      font-size: 0.64rem;
      font-style: normal;
      font-weight: 850;
      letter-spacing: 0.07em;
      line-height: 1.2;
      text-transform: uppercase;
    }

    .mep-network-inspector {
      padding: 16px;
      display: grid;
      grid-template-columns: minmax(0, 1fr) minmax(0, 1fr) minmax(0, 1.6fr);
      grid-template-rows: auto;
      column-gap: 20px;
      row-gap: 0;
    }

    /* Inspector head + metrics span full width */
    .mep-network-inspector-head,
    .mep-network-inspector > .mep-impact-strip,
    .mep-network-inspector > .mep-network-path {
      grid-column: 1 / -1;
    }

    /* Code compliance and section titles sit in columns 1 and 2 */
    .mep-network-inspector > .mep-section-title:nth-of-type(1),
    .mep-network-inspector > .mep-code-grid {
      grid-column: 1 / 2;
    }
    .mep-network-inspector > .mep-section-title:nth-of-type(2),
    .mep-network-inspector > .mep-network-room-list {
      grid-column: 2 / 3;
    }
    /* Selected room trace expands into column 3 */
    .mep-network-inspector > .mep-grouped-section {
      grid-column: 3 / 4;
      grid-row: 3 / 8;
    }

    .mep-network-inspector-head {
      margin-bottom: 12px;
    }

    .mep-network-inspector-head span {
      display: block;
      margin-bottom: 5px;
      color: var(--teal);
      font-size: 0.68rem;
      font-weight: 850;
      letter-spacing: 0.07em;
      text-transform: uppercase;
    }

    .mep-network-inspector-head h3 {
      margin: 0 0 4px;
      color: var(--text);
      font-size: 1rem;
      line-height: 1.22;
    }

    .mep-network-inspector-head p {
      margin: 0;
      color: var(--muted);
      font-size: 0.75rem;
    }

    .mep-network-path {
      display: grid;
      grid-template-columns: repeat(3, minmax(0, 1fr));
      gap: 1px;
      overflow: hidden;
      border: 1px solid var(--border);
      border-radius: 8px;
      background: var(--border);
      margin-bottom: 12px;
    }

    .mep-network-path > div {
      min-width: 0;
      padding: 10px;
      background: color-mix(in srgb, var(--bg-card) 90%, var(--overlay-subtle));
    }

    .mep-network-path label {
      display: block;
      margin-bottom: 5px;
      color: var(--muted);
      font-size: 0.66rem;
      font-weight: 850;
      letter-spacing: 0.06em;
      text-transform: uppercase;
    }

    .mep-network-path p {
      margin: 0;
      color: var(--text);
      font-size: 0.74rem;
      line-height: 1.35;
    }

    .mep-network-room-list {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
      gap: 7px;
      margin-bottom: 12px;
    }

    .mep-network-room-list button {
      min-width: 0;
      padding: 9px 10px;
      border: 1px solid var(--border);
      border-radius: 7px;
      background: var(--overlay-subtle);
      color: var(--text);
      text-align: left;
      cursor: pointer;
    }

    .mep-network-room-list button.selected {
      border-color: rgba(77, 182, 172, 0.65);
      background: rgba(77, 182, 172, 0.12);
    }

    .mep-network-room-list strong,
    .mep-network-room-list span {
      display: block;
      overflow: hidden;
      text-overflow: ellipsis;
      white-space: nowrap;
    }

    .mep-network-room-list strong {
      margin-bottom: 3px;
      font-size: 0.76rem;
      line-height: 1.25;
    }

    .mep-network-room-list span {
      color: var(--muted);
      font-size: 0.68rem;
    }

    /* Inline code severity tag on room list buttons */
    .mep-room-code-tag {
      display: inline-block;
      margin-left: 5px;
      padding: 1px 5px;
      border-radius: 3px;
      font-size: 0.6rem;
      font-weight: 700;
      text-transform: uppercase;
      vertical-align: middle;
    }
    .mep-room-code-tag.code-critical { background: var(--error-faint); color: var(--error); }
    .mep-room-code-tag.code-warning  { background: var(--warning-faint); color: var(--warning); }
    .mep-room-code-tag.code-info     { background: var(--info-faint); color: var(--info); }

    /* Code compliance grid in network inspector */
    .mep-code-grid {
      margin-bottom: 14px;
    }
    .mep-code-grid-ok {
      font-size: 0.72rem;
      color: var(--muted);
      font-style: italic;
      margin-bottom: 12px;
    }
    .mep-code-grid-pills {
      display: flex;
      flex-wrap: wrap;
      gap: 6px;
      margin-bottom: 10px;
    }
    .mep-code-grid-pill {
      display: flex;
      flex-direction: column;
      align-items: center;
      gap: 2px;
      padding: 6px 10px;
      border-radius: 6px;
      border: 1px solid var(--border);
      background: var(--overlay-subtle);
      min-width: 68px;
    }
    .mep-code-grid-pill.code-critical { border-color: var(--error);   background: var(--error-faint); }
    .mep-code-grid-pill.code-warning  { border-color: var(--warning); background: var(--warning-faint); }
    .mep-code-grid-pill.code-info     { border-color: var(--info);    background: var(--info-faint); }
    .mep-code-grid-std {
      font-size: 0.62rem;
      font-weight: 700;
      text-transform: uppercase;
      letter-spacing: 0.04em;
      color: var(--muted);
    }
    .mep-code-grid-sev {
      font-size: 0.8rem;
      font-weight: 800;
      color: var(--text);
    }
    .mep-code-grid-pill.code-critical .mep-code-grid-sev { color: var(--error); }
    .mep-code-grid-pill.code-warning  .mep-code-grid-sev { color: var(--warning); }
    .mep-code-grid-count {
      font-size: 0.62rem;
      color: var(--muted);
    }

    /* Rooms with code issues in the compliance grid */
    .mep-code-offender-list {
      display: grid;
      gap: 5px;
    }
    .mep-code-offender-row {
      padding: 7px 9px;
      border-left: 3px solid var(--border);
      border-radius: 0 5px 5px 0;
      background: var(--overlay-subtle);
    }
    .mep-code-offender-row.severity-critical { border-left-color: var(--error); }
    .mep-code-offender-row.severity-warning  { border-left-color: var(--warning); }
    .mep-code-offender-name {
      font-size: 0.76rem;
      font-weight: 700;
      color: var(--text);
      margin-bottom: 3px;
    }
    .mep-code-offender-check {
      display: flex;
      gap: 6px;
      font-size: 0.68rem;
      color: var(--muted);
      line-height: 1.3;
    }
    .mep-code-offender-std {
      flex-shrink: 0;
      font-weight: 700;
      color: var(--text);
    }

    .mep-system-row.status-review td:first-child,
    .mep-system-row.status-blocked td:first-child {
      box-shadow: none;
    }

    .mep-system-card.status-review,
    .mep-system-card.status-blocked {
      border-color: var(--border);
    }

    .mep-workflow-map {
      display: grid;
      grid-template-columns: repeat(5, minmax(150px, 1fr));
      gap: 1px;
      overflow: hidden;
      border: 1px solid var(--border);
      border-radius: 7px;
      background: var(--border);
    }

    .mep-workflow-stage {
      min-width: 0;
      background: var(--bg-card);
    }

    .mep-workflow-stage header {
      min-height: 0;
      padding: 9px 11px;
      border-bottom: 1px solid var(--border-subtle);
    }

    .mep-workflow-stage header span {
      display: block;
      color: var(--text);
      font-size: 0.78rem;
      font-weight: 850;
      line-height: 1.2;
    }

    .mep-workflow-stage header small,
    .mep-workflow-item small,
    .mep-system-table small {
      display: block;
      color: var(--muted);
      font-size: 0.68rem;
      line-height: 1.3;
    }

    .mep-workflow-items {
      display: grid;
      gap: 0;
    }

    .mep-workflow-item {
      display: grid;
      grid-template-columns: 8px minmax(0, 1fr);
      gap: 8px;
      min-height: 44px;
      padding: 8px 11px;
      border-bottom: 1px solid var(--border-subtle);
    }

    .mep-workflow-item:last-child {
      border-bottom: 0;
    }

    .mep-workflow-item i {
      width: 8px;
      height: 8px;
      margin-top: 3px;
      border-radius: 50%;
      background: var(--success);
    }

    .mep-workflow-item.status-review i,
    .mep-workflow-item.status-inferred i,
    .mep-workflow-item.status-assumption i,
    .mep-workflow-item.status-assumption-led i {
      background: var(--warning);
    }

    .mep-workflow-item.status-blocked i {
      background: var(--error);
    }

    .mep-workflow-item.status-endpoint i {
      background: #7dd3fc;
    }

    .mep-workflow-item strong,
    .mep-system-table td strong {
      display: block;
      color: var(--text);
      font-size: 0.74rem;
      font-weight: 820;
      line-height: 1.25;
      margin-bottom: 3px;
    }

    .mep-system-lens {
      display: grid;
      grid-template-columns: minmax(220px, 0.9fr) minmax(360px, 1.8fr) minmax(180px, 0.7fr);
      gap: 14px;
      align-items: stretch;
      margin-bottom: 14px;
      padding: 14px;
      border: 1px solid var(--border);
      border-radius: 7px;
      background: var(--bg-card);
    }

    .mep-system-lens span {
      display: block;
      color: var(--muted);
      font-size: 0.68rem;
      font-weight: 850;
      letter-spacing: 0.07em;
      line-height: 1.2;
      margin-bottom: 6px;
      text-transform: uppercase;
    }

    .mep-system-lens h3 {
      margin: 0 0 6px;
      color: var(--text);
      font-size: 1rem;
      line-height: 1.2;
    }

    .mep-system-lens p {
      margin: 0;
      color: var(--muted);
      font-size: 0.76rem;
      line-height: 1.4;
    }

    .mep-system-lens ol {
      display: grid;
      grid-template-columns: repeat(4, minmax(0, 1fr));
      gap: 1px;
      margin: 0;
      padding: 0;
      overflow: hidden;
      border: 1px solid var(--border-subtle);
      border-radius: 6px;
      background: var(--border-subtle);
      list-style: none;
    }

    .mep-system-lens li {
      min-width: 0;
      padding: 10px;
      background: var(--overlay-subtle);
    }

    .mep-system-lens li strong {
      display: block;
      color: var(--text);
      font-size: 0.74rem;
      line-height: 1.2;
      margin-bottom: 4px;
    }

    .mep-system-lens li small {
      display: block;
      color: var(--muted);
      font-size: 0.67rem;
      line-height: 1.3;
    }

    .mep-system-lens-metrics {
      display: grid;
      grid-template-columns: 1fr;
      gap: 8px;
    }

    .mep-system-table td {
      text-align: left;
      white-space: normal;
      line-height: 1.35;
      vertical-align: top;
    }

    .mep-system-row.status-review td:first-child,
    .mep-system-row.status-blocked td:first-child {
      box-shadow: none;
    }

    .mep-system-row.status-blocked td:first-child {
      box-shadow: none;
    }

    .mep-system-card-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
      gap: 10px;
      margin-bottom: 14px;
    }

    .mep-system-card {
      min-width: 0;
      border: 1px solid var(--border);
      border-radius: 10px;
      background: var(--bg-card);
      overflow: hidden;
      box-shadow: 0 8px 22px rgba(0,0,0,0.08);
    }

    .mep-system-card.status-review {
      border-color: var(--border);
    }

    .mep-system-card.status-blocked {
      border-color: var(--border);
    }

    .mep-system-card header {
      display: flex;
      align-items: flex-start;
      justify-content: space-between;
      gap: 10px;
      margin: 0;
      padding: 12px 12px 10px;
      border-bottom: 1px solid var(--border-subtle);
    }

    .mep-system-card header span {
      display: block;
      margin-bottom: 4px;
      color: var(--muted);
      font-size: 0.67rem;
      font-weight: 820;
      text-transform: uppercase;
      letter-spacing: 0.06em;
    }

    .mep-system-card header h4 {
      color: var(--text);
      font-size: 0.92rem;
      line-height: 1.2;
    }

    .mep-system-card header strong {
      flex-shrink: 0;
      padding: 4px 8px;
      border-radius: 999px;
      background: rgba(77, 182, 172, 0.14);
      color: var(--text);
      font-size: 0.7rem;
      font-weight: 820;
      text-transform: uppercase;
      letter-spacing: 0.04em;
    }

    .mep-system-card.status-review header strong {
      background: var(--overlay-subtle);
      color: var(--text);
    }

    .mep-system-card.status-blocked header strong {
      background: var(--overlay-subtle);
      color: var(--text);
    }

    .mep-system-card-metrics {
      padding: 10px 12px 0;
    }

    .mep-system-card-metrics .mep-metric {
      padding: 10px 11px;
      min-height: 0;
    }

    .mep-system-card-path {
      display: grid;
      grid-template-columns: 1fr;
      gap: 1px;
      margin: 10px 12px 0;
      border: 1px solid var(--border-subtle);
      border-radius: 8px;
      overflow: hidden;
      background: var(--border-subtle);
    }

    .mep-system-card-path > div {
      padding: 10px 11px;
      background: color-mix(in srgb, var(--bg-card) 84%, var(--overlay-subtle));
    }

    .mep-system-card-path p,
    .mep-system-card-foot {
      color: var(--text);
      font-size: 0.74rem;
      line-height: 1.38;
    }

    .mep-system-card-foot {
      padding: 12px;
      color: var(--muted);
    }

    .mep-diagram-shell {
      display: block;
    }

    .mep-diagram-stage {
      min-height: 430px;
      overflow: auto;
      border: 1px solid var(--border);
      border-radius: 7px;
      background: #111827;
      padding: 14px;
      perspective: 1200px;
    }

    .mep-btn.mep-btn-on {
      background: rgba(77, 182, 172, 0.38);
      border-color: rgba(77, 182, 172, 0.9);
    }

    .mep-diagram-svg {
      width: 100%;
      min-width: 860px;
      min-height: 420px;
      transform: rotate(var(--diagram-rotate, 0deg));
      transform-origin: center;
      transition: transform 300ms ease;
    }

    .mep-diagram-stage.isometric {
      overflow: visible;
    }

    .iso-trunk {
      fill: none;
      stroke: #7dd3fc;
      stroke-width: 2.5;
      stroke-linecap: round;
    }

    .iso-riser {
      fill: none;
      stroke: #7dd3fc;
      stroke-width: 2;
      stroke-linecap: round;
    }

    .iso-branch {
      fill: none;
      stroke: #5eead4;
      stroke-width: 1.5;
      stroke-linecap: round;
    }

    .iso-stub {
      fill: none;
      stroke: #94a3b8;
      stroke-width: 1.5;
      stroke-linecap: round;
    }

    .iso-node-src {
      fill: #0e4f6b;
      stroke: #7dd3fc;
      stroke-width: 2;
    }

    .iso-tap {
      fill: #7dd3fc;
      stroke: none;
    }

    .iso-terminal {
      fill: #111827;
      stroke: #5eead4;
      stroke-width: 1.5;
    }

    .iso-terminal.iso-review {
      stroke: #f59e0b;
    }

    .iso-src-label {
      fill: #7dd3fc;
      font-size: 12px;
      font-weight: 800;
    }

    .iso-sys-label {
      fill: #5eead4;
      font-size: 12px;
      font-weight: 800;
    }

    .iso-zone-label {
      fill: #f8fafc;
      font-size: 11px;
      font-weight: 700;
    }

    .iso-zone-label.iso-review {
      fill: #f59e0b;
    }

    .iso-metric-label {
      fill: #94a3b8;
      font-size: 10px;
    }

    .mep-diagram-title {
      fill: #f8fafc;
      font-size: 18px;
      font-weight: 850;
    }

    .mep-diagram-edge {
      fill: none;
      stroke: #7dd3fc;
      stroke-width: 2;
      marker-end: url(#mepArrow);
      stroke-dasharray: 10 7;
      animation: mep-flow 1.1s linear infinite;
    }

    .mep-diagram-svg marker path {
      fill: #7dd3fc;
    }

    .mep-diagram-edge-label {
      fill: #cbd5e1;
      font-size: 11px;
      font-weight: 700;
    }

    .mep-diagram-node rect {
      fill: #1f2937;
      stroke: #5eead4;
      stroke-width: 1.5;
      filter: drop-shadow(0 8px 14px rgba(0,0,0,0.25));
    }

    .mep-diagram-node.node-source rect {
      fill: #12313a;
      stroke: #7dd3fc;
    }

    .mep-diagram-node.status-review rect {
      stroke: #f59e0b;
    }

    .mep-diagram-label {
      fill: #f8fafc;
      font-size: 13px;
      font-weight: 800;
    }

    .mep-diagram-sub {
      fill: #cbd5e1;
      font-size: 11px;
    }

    .mep-diagram-metric {
      fill: #5eead4;
      font-size: 12px;
      font-weight: 850;
      text-anchor: end;
    }

    @keyframes mep-flow {
      to { stroke-dashoffset: -17; }
    }

    .mep-revit-panel {
      display: block;
    }

    .mep-revit-actions {
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      justify-content: flex-end;
      gap: 8px;
      margin-bottom: 10px;
      padding: 10px;
      border: 1px solid var(--border);
      border-radius: 7px;
      background: var(--overlay-subtle);
    }

    .mep-revit-actions > div:first-child {
      margin-right: auto;
      min-width: 220px;
    }

    .mep-btn:disabled {
      opacity: 0.45;
      cursor: not-allowed;
    }

    .mep-room-detail {
      padding: 10px;
      border: 1px solid rgba(77, 182, 172, 0.35);
      border-radius: 7px;
      background: var(--bg);
    }

    .mep-room-detail-header {
      display: flex;
      align-items: start;
      justify-content: space-between;
      gap: 12px;
      margin-bottom: 10px;
    }

    .mep-room-detail-header h3 {
      margin: 0;
      color: var(--text);
      font-size: 1rem;
      line-height: 1.2;
      letter-spacing: 0;
    }

    .mep-room-detail-header p {
      margin: 4px 0 0;
      color: var(--muted);
      font-size: 0.76rem;
    }

    .mep-room-brief {
      display: grid;
      grid-template-columns: repeat(3, minmax(0, 1fr));
      gap: 1px;
      overflow: hidden;
      border: 1px solid var(--border);
      border-radius: 6px;
      background: var(--border);
      margin-bottom: 10px;
    }

    .mep-room-brief > div {
      min-width: 0;
      padding: 10px;
      background: var(--bg-card);
    }

    .mep-room-brief span,
    .mep-room-brief small {
      display: block;
      color: var(--muted);
      font-size: 0.7rem;
      line-height: 1.3;
    }

    .mep-room-brief span {
      text-transform: uppercase;
      letter-spacing: 0.06em;
      font-weight: 820;
      margin-bottom: 4px;
    }

    .mep-room-brief strong {
      display: block;
      color: var(--text);
      font-size: 0.9rem;
      font-weight: 850;
      line-height: 1.25;
      margin-bottom: 4px;
    }

    .mep-detail-switcher {
      display: flex;
      flex-wrap: wrap;
      gap: 4px;
      margin: 0 0 10px;
      padding: 4px;
      border: 1px solid var(--border);
      border-radius: 6px;
      background: var(--bg-card);
    }

    .mep-detail-switcher button {
      min-height: 28px;
      padding: 0 10px;
      border: 1px solid transparent;
      border-radius: 5px;
      background: transparent;
      color: var(--muted);
      font: inherit;
      font-size: 0.74rem;
      font-weight: 800;
      cursor: pointer;
    }

    .mep-detail-switcher button.active {
      border-color: var(--border);
      background: var(--overlay-subtle);
      color: var(--text);
    }

    .mep-detail-panel {
      margin-bottom: 10px;
    }

    .mep-detail-panel > .mep-table,
    .mep-detail-panel > .mep-detail-grid,
    .mep-detail-panel > .mep-check-list {
      margin-bottom: 0;
    }

    .mep-detail-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
      gap: 8px;
      margin-bottom: 8px;
    }

    .mep-detail-box {
      border: 1px solid var(--border);
      border-radius: 7px;
      background: var(--overlay-subtle);
      padding: 9px;
      min-width: 0;
    }

    .mep-detail-box h4 {
      font-size: 0.78rem;
      margin-bottom: 8px;
      color: var(--text);
    }

    .mep-quicktake-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
      gap: 8px;
    }

    .mep-guided-overview-grid {
      align-items: start;
    }

    .mep-quicktake-card {
      min-width: 0;
      padding: 10px;
      border: 1px solid var(--border);
      border-radius: 8px;
      background: color-mix(in srgb, var(--bg-card) 88%, var(--overlay-subtle));
    }

    .mep-quicktake-card span,
    .mep-system-card-path label {
      display: block;
      color: var(--muted);
      font-size: 0.68rem;
      font-weight: 820;
      text-transform: uppercase;
      letter-spacing: 0.06em;
      margin-bottom: 5px;
    }

    .mep-quicktake-card strong {
      display: block;
      color: var(--text);
      font-size: 0.86rem;
      font-weight: 840;
      line-height: 1.25;
      margin-bottom: 4px;
    }

    .mep-quicktake-card small {
      display: block;
      color: var(--muted);
      font-size: 0.7rem;
      line-height: 1.35;
    }

    .mep-utility-grid .mep-quicktake-card strong {
      font-size: 0.8rem;
    }

    .mep-coordination-compass {
      display: grid;
      gap: 6px;
      padding: 8px;
      border: 1px solid var(--border);
      border-radius: 6px;
      background: var(--bg-card);
    }

    .mep-coordination-compass-head span,
    .mep-compass-card header span,
    .mep-coordination-item header span,
    .mep-coordination-grid label {
      display: block;
      color: var(--muted);
      font-size: 0.67rem;
      font-weight: 850;
      letter-spacing: 0.07em;
      line-height: 1.2;
      margin-bottom: 3px;
      text-transform: uppercase;
    }

    .mep-coordination-compass-head h3 {
      margin: 0;
      color: var(--text);
      font-size: 0.86rem;
      line-height: 1.2;
    }

    .mep-coordination-compass-head p {
      margin: 0;
      max-width: 86ch;
      color: var(--muted);
      font-size: 0.76rem;
      line-height: 1.4;
    }

    .mep-coordination-compass-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
      gap: 5px;
    }

    .mep-compass-card {
      min-width: 0;
      padding: 7px 8px;
      border: 1px solid var(--border);
      border-radius: 6px;
      background: color-mix(in srgb, var(--bg-card) 88%, var(--overlay-subtle));
    }

    .mep-compass-card.status-review,
    .mep-coordination-item.status-review {
      border-color: color-mix(in srgb, var(--warning) 58%, var(--border));
    }

    .mep-compass-card.status-blocked,
    .mep-coordination-item.status-blocked {
      border-color: color-mix(in srgb, var(--error) 62%, var(--border));
    }

    .mep-compass-card header,
    .mep-coordination-item header {
      display: flex;
      align-items: flex-start;
      justify-content: space-between;
      gap: 6px;
      margin-bottom: 4px;
    }

    .mep-compass-card strong {
      display: block;
      color: var(--text);
      font-size: 0.78rem;
      font-weight: 850;
      line-height: 1.25;
      margin-bottom: 2px;
    }

    .mep-compass-card small,
    .mep-coordination-item header small {
      display: block;
      color: var(--muted);
      font-size: 0.66rem;
      line-height: 1.25;
    }

    .mep-compass-card details {
      margin-top: 4px;
    }

    .mep-compass-card summary,
    .mep-coordination-details summary {
      cursor: pointer;
      color: var(--teal);
      font-size: 0.64rem;
      font-weight: 820;
      line-height: 1.2;
    }

    .mep-compass-card p {
      margin: 5px 0 0;
      color: var(--muted);
      font-size: 0.68rem;
      line-height: 1.3;
    }

    .mep-coordination-panel {
      display: grid;
      gap: 7px;
    }

    .mep-coordination-list {
      display: grid;
      gap: 5px;
    }

    .mep-coordination-list.is-compact {
      gap: 4px;
    }

    .mep-coordination-item {
      min-width: 0;
      border: 1px solid var(--border);
      border-radius: 6px;
      background: var(--bg-card);
      overflow: hidden;
    }

    .mep-coordination-item header {
      margin: 0;
      padding: 7px 8px 4px;
      border-bottom: 0;
    }

    .mep-coordination-item header strong {
      display: block;
      color: var(--text);
      font-size: 0.74rem;
      font-weight: 850;
      line-height: 1.25;
    }

    .mep-coordination-status {
      flex: 0 0 auto;
      display: grid;
      justify-items: end;
      gap: 3px;
      max-width: 150px;
    }

    .mep-coordination-status small {
      overflow: hidden;
      max-width: 100%;
      text-overflow: ellipsis;
      white-space: nowrap;
    }

    .mep-coordination-next {
      margin: 0 8px 6px;
      color: var(--text);
      font-size: 0.72rem;
      font-weight: 720;
      line-height: 1.25;
    }

    .mep-coordination-details {
      border-top: 1px solid var(--border-subtle);
      padding: 6px 8px 7px;
    }

    .mep-coordination-grid {
      display: grid;
      grid-template-columns: repeat(3, minmax(0, 1fr));
      gap: 1px;
      background: var(--border-subtle);
      margin-top: 6px;
      overflow: hidden;
      border-radius: 6px;
    }

    .mep-coordination-grid > div {
      min-width: 0;
      padding: 7px 8px;
      background: color-mix(in srgb, var(--bg-card) 92%, var(--overlay-subtle));
    }

    .mep-coordination-grid p {
      margin: 0;
      color: var(--text);
      font-size: 0.67rem;
      line-height: 1.3;
    }

    .mep-detail-row {
      display: grid;
      grid-template-columns: minmax(78px, 0.8fr) minmax(0, 1.2fr);
      gap: 8px;
      align-items: center;
      min-height: 28px;
      color: var(--muted);
      font-size: 0.76rem;
    }

    .mep-detail-row strong {
      color: var(--text);
      font-weight: 700;
      text-align: right;
    }

    .mep-detail-row input {
      width: 100%;
      min-width: 0;
      height: 28px;
      font-size: 0.76rem;
    }

    .mep-equipment-strip {
      display: flex;
      flex-wrap: wrap;
      gap: 6px;
      margin: 8px 0;
    }

    .mep-eq-chip {
      display: inline-flex;
      align-items: center;
      gap: 5px;
      max-width: 260px;
      padding: 4px 7px;
      border: 1px solid var(--border);
      border-radius: 6px;
      background: var(--overlay-subtle);
      color: var(--text);
      font-size: 0.72rem;
      overflow: hidden;
      text-overflow: ellipsis;
      white-space: nowrap;
    }

    .mep-eq-chip em {
      color: var(--muted);
      font-style: normal;
    }

    .mep-notes {
      width: 100%;
      min-height: 54px;
      padding: 8px;
      border: 1px solid var(--input-border);
      border-radius: 6px;
      background: var(--input-bg);
      color: var(--text);
      font: inherit;
      resize: vertical;
    }

    .mep-criteria-table td {
      white-space: normal;
      line-height: 1.35;
    }

    .mep-empty {
      padding: 28px;
      color: var(--muted);
      text-align: center;
    }

    .mep-note {
      margin-top: 10px;
      padding: 10px;
      border: 1px solid var(--border);
      border-radius: 6px;
      background: var(--overlay-subtle);
      line-height: 1.45;
    }

    @media (max-width: 980px) {
      .mep-summary {
        grid-template-columns: repeat(2, minmax(0, 1fr));
      }

      .mep-impact-strip {
        grid-template-columns: 1fr;
      }

      .mep-intent-hero,
      .mep-intent-reference,
      .mep-discipline-context,
      .mep-network-topline,
      .mep-network-layout,
      .mep-network-path {
        grid-template-columns: 1fr;
      }

      .mep-intent-stats {
        grid-template-columns: 1fr;
      }

      .mep-primary-filter {
        grid-template-columns: 1fr;
        border-right: 0;
        padding-right: 0;
        width: 100%;
      }

      .mep-intent-flow {
        grid-template-columns: 1fr;
      }

      .mep-intent-flow div {
        min-height: auto;
        border-right: 0;
        border-bottom: 1px solid var(--border-subtle);
      }

      .mep-intent-flow div:last-child {
        border-bottom: 0;
      }

      .mep-ledger-head,
      .mep-room-detail-header {
        align-items: flex-start;
        flex-direction: column;
      }

      .mep-ledger-count {
        text-align: left;
      }

      .mep-room-brief {
        grid-template-columns: 1fr;
      }

      .mep-workflow-map {
        grid-template-columns: 1fr;
      }

      .mep-workflow-stage header {
        min-height: auto;
      }

      .mep-system-lens {
        grid-template-columns: 1fr;
      }

      .mep-system-lens ol {
        grid-template-columns: 1fr;
      }

      .mep-network-room-list {
        grid-template-columns: 1fr;
      }

      .mep-coordination-grid {
        grid-template-columns: 1fr;
      }

      .mep-table {
        display: block;
        overflow-x: auto;
        white-space: nowrap;
      }

      .mep-system-table {
        white-space: normal;
      }
    }

    *::-webkit-scrollbar-button:start:decrement,
    *::-webkit-scrollbar-button:end:increment,
    *::-webkit-scrollbar-button:start:increment,
    *::-webkit-scrollbar-button:end:decrement {
      background: var(--bg-card) !important;
      border: none !important;
      height: 0 !important;
      width: 0 !important;
    }

    body {
      margin: 0;
      padding: 24px;
      font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
      background-color: var(--bg);
      color: var(--text);
      /* Prevent Safari iOS pull-to-refresh from reloading the page unintentionally */
      overscroll-behavior-y: none;
    }

    h1, h2, h3, h4 {
      margin: 0;
    }

    p {
      margin: 0;
    }

    header {
      margin-bottom: 24px;
      display: flex;
      justify-content: space-between;
      align-items: flex-start;
      gap: 20px;
    }

    header .header-content {
      flex: 1;
    }

    /* Project context indicator in header */
    .project-indicator {
      display: flex;
      align-items: center;
      gap: 8px;
      margin-top: 4px;
      font-size: 0.8rem;
      color: var(--muted);
      animation: projectIndicatorIn 0.3s ease-out;
    }

    @keyframes projectIndicatorIn {
      from { opacity: 0; transform: translateY(-4px); }
      to   { opacity: 1; transform: translateY(0); }
    }

    .project-indicator-dot {
      width: 8px;
      height: 8px;
      border-radius: 50%;
      background: var(--green-badge);
      box-shadow: 0 0 6px var(--accent-glow);
      flex-shrink: 0;
    }

    .project-indicator-name {
      font-weight: 500;
      letter-spacing: 0.3px;
      max-width: 260px;
      overflow: hidden;
      text-overflow: ellipsis;
      white-space: nowrap;
    }

    /* Top accent bar when project is open */
    body.project-open::before {
      content: '';
      display: block;
      position: fixed;
      top: 0;
      left: 0;
      right: 0;
      height: 3px;
      background: linear-gradient(90deg, var(--accent), var(--green-badge), var(--accent));
      z-index: 10010;
      animation: accentBarIn 0.4s ease-out;
    }

    @keyframes accentBarIn {
      from { transform: scaleX(0); }
      to   { transform: scaleX(1); }
    }

    .version-badge {
      font-size: 0.4em;
      font-weight: 400;
      color: var(--muted);
      vertical-align: super;
      letter-spacing: 0.5px;
      margin-left: 2px;
    }

    header .header-actions {
      display: flex;
      gap: 12px;
      padding-top: 4px;
      align-items: center;
    }

    /* Revit Status Indicator */
    .revit-status-indicator {
      display: flex;
      align-items: center;
      gap: 6px;
      padding: 6px 12px;
      background: var(--overlay-active);
      border-radius: 16px;
      cursor: pointer;
      transition: all 0.2s;
      font-size: 12px;
    }

    .revit-status-indicator:hover {
      background: var(--overlay-strong);
    }

    .revit-status-indicator .status-dot {
      width: 8px;
      height: 8px;
      border-radius: 50%;
      transition: background 0.3s;
    }

    .revit-status-indicator .status-dot.disconnected {
      background: var(--muted);
    }

    .revit-status-indicator .status-dot.connecting {
      background: var(--warning);
      animation: pulse 1s infinite;
    }

    .revit-status-indicator .status-dot.connected {
      background: var(--green-badge);
    }

    .revit-status-indicator .status-text {
      color: var(--text);
      font-weight: 500;
    }

    /* Revit Tools Dropdown */
    .revit-tools-wrapper {
      position: relative;
    }

    .revit-tools-panel {
      display: none;
      position: absolute;
      top: calc(100% + 8px);
      right: 0;
      width: 320px;
      background: var(--bg-card);
      border: 1px solid var(--border);
      border-radius: 12px;
      box-shadow: 0 8px 32px var(--card-shadow);
      z-index: 10000;
      overflow: hidden;
      animation: revitPanelSlide 0.2s ease-out;
    }

    .revit-tools-panel.active {
      display: block;
    }

    @keyframes revitPanelSlide {
      from { opacity: 0; transform: translateY(-8px); }
      to { opacity: 1; transform: translateY(0); }
    }

    .revit-tools-panel .panel-header {
      padding: 12px 16px;
      border-bottom: 1px solid var(--border, #333);
      display: flex;
      justify-content: space-between;
      align-items: center;
    }

    .revit-tools-panel .panel-header h3 {
      margin: 0;
      font-size: 0.9rem;
      font-weight: 600;
    }

    .revit-tools-panel .panel-header .project-name {
      font-size: 0.75rem;
      color: var(--muted, #888);
      margin-top: 2px;
    }

    .revit-tools-panel .tool-btn {
      display: flex;
      align-items: center;
      gap: 10px;
      width: 100%;
      padding: 10px 16px;
      border: none;
      background: none;
      color: var(--text, #eee);
      cursor: pointer;
      text-align: left;
      font-size: 0.85rem;
      transition: background 0.15s;
    }

    .revit-tools-panel .tool-btn:hover {
      background: var(--overlay-active);
    }

    .revit-tools-panel .tool-btn .tool-icon {
      font-size: 1.1rem;
      width: 24px;
      text-align: center;
      flex-shrink: 0;
    }

    .revit-tools-panel .tool-btn .tool-label {
      flex: 1;
    }

    .revit-tools-panel .tool-btn .tool-desc {
      font-size: 0.7rem;
      color: var(--muted, #888);
      margin-top: 1px;
    }

    .revit-tools-panel .tool-btn:disabled {
      opacity: 0.4;
      cursor: not-allowed;
    }

    .revit-tools-panel .tool-section {
      padding: 6px 0;
      border-bottom: 1px solid var(--border, #333);
    }

    .revit-tools-panel .tool-section:last-child {
      border-bottom: none;
    }

    .revit-tools-panel .section-label {
      font-size: 0.65rem;
      text-transform: uppercase;
      letter-spacing: 0.05em;
      color: var(--muted, #888);
      padding: 4px 16px 2px;
    }

    .revit-tools-panel .tool-btn.disconnect {
      color: #ff6b6b;
    }

    @keyframes pulse {
      0%, 100% { opacity: 1; }
      50% { opacity: 0.5; }
    }
    
    @keyframes fadeInOut {
      0% { opacity: 0; transform: translate(-50%, -50%) scale(0.8); }
      15% { opacity: 1; transform: translate(-50%, -50%) scale(1); }
      85% { opacity: 1; transform: translate(-50%, -50%) scale(1); }
      100% { opacity: 0; transform: translate(-50%, -50%) scale(0.8); }
    }

    header .icon-btn {
      width: 40px;
      height: 40px;
      border: none;
      border-radius: 8px;
      cursor: pointer;
      font-size: 20px;
      display: flex;
      align-items: center;
      justify-content: center;
      transition: all 0.2s;
      box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    }

    header .icon-btn:hover {
      transform: translateY(-2px);
      box-shadow: 0 4px 8px rgba(0,0,0,0.15);
    }

    header .icon-btn.portal {
      background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
      color: white;
    }

    header .icon-btn.sync {
      background: linear-gradient(135deg, #00b894 0%, #00cec9 100%);
      color: white;
    }

    header .icon-btn.workbench {
      background: linear-gradient(135deg, #ff6b6b 0%, #feca57 100%);
      color: white;
    }

    header .icon-btn.workbench.active {
      background: linear-gradient(135deg, #feca57 0%, #ff6b6b 100%);
      box-shadow: 0 0 20px rgba(254, 202, 87, 0.5);
    }

    header p {
      margin-top: 8px;
      color: var(--muted);
      max-width: 800px;
      font-size: 0.95rem;
    }

    .layout {
      display: flex;
      gap: 0;
      align-items: flex-start;
    }

    .layout.compare-mode {
      /* flex layout handles all three columns */
    }

    #left-column {
      display: block;
      width: 400px;
      min-width: 280px;
      max-width: 800px;
      flex-shrink: 0;
      padding-right: 6px;
      transition: width 0.3s ease, min-width 0.3s ease, max-width 0.3s ease, padding 0.3s ease;
    }

    #left-column.collapsed {
      width: 42px;
      min-width: 42px;
      max-width: 42px;
      padding-right: 0;
      overflow: hidden;
    }

    #left-column.collapsed > * {
      opacity: 0;
      pointer-events: none;
      transition: opacity 0.15s ease;
    }

    #left-column > * {
      opacity: 1;
      transition: opacity 0.15s ease 0.15s;
    }

    #right-column {
      display: block;
      flex: 1;
      min-width: 0;
      padding-left: 6px;
      padding-right: 6px;
      transition: padding-left 0.3s ease;
    }

    #left-column.collapsed + .column-resizer + #right-column {
      padding-left: 6px;
    }

    #compare-column {
      display: none;
      flex: 1;
      min-width: 0;
      padding-left: 6px;
    }

    .layout.compare-mode #compare-column {
      display: block;
    }

    /* Column Resizer */
    .column-resizer {
      width: 12px;
      background: transparent;
      cursor: col-resize;
      flex-shrink: 0;
      position: relative;
      display: flex;
      align-items: center;
      justify-content: center;
      transition: width 0.3s ease;
    }

    .column-resizer::after {
      content: '';
      width: 8px;
      height: 60px;
      background: var(--overlay-strong);
      border-radius: 8px;
      transition: width 0.3s ease, height 0.3s ease, background 0.3s ease, border-radius 0.3s ease, margin-top 0.3s ease, font-size 0.3s ease, letter-spacing 0.3s ease, color 0.3s ease;
      margin-top: 0;
    }

    .column-resizer:hover::after {
      background: var(--overlay-strong);
      height: 80px;
    }

    .column-resizer.resizing::after {
      background: var(--accent);
      height: 100px;
    }

    .column-resizer.collapsed {
      cursor: pointer;
      width: 0;
      overflow: visible;
    }

    .column-resizer.collapsed::after {
      content: 'NAVIGATOR';
      position: absolute;
      right: 0;
      top: 20px;
      width: 32px;
      height: 200px;
      background: var(--overlay-strong);
      border-radius: 16px;
      display: flex;
      align-items: center;
      justify-content: center;
      writing-mode: vertical-rl;
      text-orientation: mixed;
      font-size: 10px;
      font-weight: 600;
      letter-spacing: 2px;
      color: var(--muted);
      margin-top: 0;
    }

    .column-resizer.collapsed:hover::after {
      background: var(--overlay-strong);
      color: var(--text);
    }

    .layout.compare-mode #compare-resizer {
      display: flex;
    }

    .compare-column {
      background: var(--bg-card);
      border-radius: 12px;
      padding: 20px;
      border: 2px dashed var(--border);
      min-height: 400px;
      transition: border-color 0.2s;
    }

    .compare-column.drag-over {
      border-color: var(--accent);
      background: var(--accent-faint);
    }

    .compare-column h3 {
      margin-bottom: 12px;
      color: var(--muted);
      font-size: 1rem;
    }

    .compare-search {
      width: 100%;
      padding: 8px 12px;
      background: var(--input-bg);
      border: 1px solid var(--input-border);
      border-radius: 6px;
      color: var(--text);
      font-size: 0.9rem;
      margin-bottom: 16px;
    }

    .compare-room-display {
      background: var(--bg);
      border: 1px solid var(--border);
      border-radius: 8px;
      padding: 16px;
    }

    .compare-room-display h4 {
      margin-bottom: 12px;
      color: var(--accent);
    }

    .compare-room-display .detail-row {
      display: flex;
      justify-content: space-between;
      padding: 6px 0;
      border-bottom: 1px solid var(--border);
    }

    .compare-room-display .detail-row:last-child {
      border-bottom: none;
    }

    @media (max-width: 900px) {
      .layout {
        flex-direction: column;
      }
      
      .layout.compare-mode {
        flex-direction: column;
      }
      
      .layout.compare-mode #left-column {
        order: 1;
      }

      .layout.compare-mode #resizer {
        order: 2;
      }
      
      .layout.compare-mode #right-column {
        order: 3;
      }
      
      .layout.compare-mode #compare-column {
        order: 4;
      }

      #left-column {
        width: 100% !important;
        max-width: 100% !important;
        min-width: 0 !important;
        padding-right: 0;
      }

      #left-column.collapsed {
        width: 100% !important;
        max-width: 100% !important;
        min-width: 0 !important;
        height: 42px !important;
        min-height: 42px !important;
        max-height: 42px !important;
        overflow: hidden;
      }

      #left-column:not(.collapsed) {
        overflow: hidden;
      }

      #left-column:not(.collapsed) .tree-container {
        max-height: none;
        height: 100%;
        box-sizing: border-box;
      }

      #right-column {
        width: 100%;
        min-height: 0;
        flex: 1;
        overflow-y: auto;
        padding-left: 0;
        padding-right: 0;
      }

      .layout.compare-mode #compare-column {
        width: 100%;
      }

      /* Horizontal resizer on mobile */
      .column-resizer {
        width: 100% !important;
        height: 16px !important;
        cursor: row-resize;
        align-items: center;
        justify-content: center;
        flex-shrink: 0;
        z-index: 2;
        touch-action: none;
      }

      .column-resizer::after {
        width: 60px !important;
        height: 6px !important;
        border-radius: 8px;
      }

      .column-resizer:hover::after {
        width: 80px !important;
        height: 6px !important;
      }

      .column-resizer.resizing::after {
        width: 100px !important;
        height: 6px !important;
      }

      .column-resizer.collapsed {
        width: 100% !important;
        height: auto !important;
        cursor: pointer;
        align-items: center;
        justify-content: center;
        border-top: 1px solid var(--border);
        border-bottom: 1px solid var(--border);
        background: var(--bg-card);
      }

      .column-resizer.collapsed::after {
        content: '▶ NAVIGATOR';
        position: static;
        right: auto;
        top: auto;
        width: auto !important;
        height: auto !important;
        padding: 8px 24px;
        border-radius: 0;
        writing-mode: horizontal-tb;
        text-orientation: initial;
        margin-top: 0;
        margin-bottom: 0;
        background: transparent;
        font-size: 11px;
        font-weight: 600;
        letter-spacing: 2px;
        color: var(--muted);
      }

      .column-resizer.collapsed:hover::after {
        color: var(--text);
        background: var(--overlay-subtle);
      }
    }

    /* ===== COMPREHENSIVE MOBILE STYLES ===== */
    
    /* Small mobile devices */
    @media (max-width: 480px) {
      body {
        padding: 12px;
      }

      /* In windowed mode, override the general body padding */
      body.windowed-layout {
        padding: 0 !important;
      }
      
      header {
        flex-direction: column;
        gap: 12px;
      }
      
      header h1 {
        font-size: 1.3rem;
      }
      
      header p {
        font-size: 0.85rem;
      }
      
      header .header-actions {
        width: 100%;
        justify-content: flex-start;
        flex-wrap: wrap;
        gap: 8px;
      }
      
      header .icon-btn {
        width: 44px;
        height: 44px;
        font-size: 18px;
      }
      
      .revit-status-indicator {
        font-size: 11px;
        padding: 5px 10px;
      }

      /* Very small screens: hide taskbar button labels, show icon only */
      .taskbar-btn-label {
        display: none;
      }

      .taskbar-btn {
        min-width: 40px;
        padding: 0 8px;
      }

      /* Windowed titlebar even more compact on very small phones */
      .window-titlebar {
        min-height: 44px;
        padding: 4px 6px 4px 10px;
      }

      /* Window body can use more height since header is taller */
      .app-window .window-body {
        max-height: 65vh;
      }
    }
    
    /* Tablets and larger phones */
    @media (max-width: 768px) {
      body {
        padding: 16px;
      }

      /* In windowed mode, override the general body padding */
      body.windowed-layout {
        padding: 0 !important;
      }
      
      header {
        flex-wrap: wrap;
      }
      
      header .header-actions {
        flex-wrap: wrap;
      }
      
      /* Touch-friendly tree items */
      .tree-chapter,
      .tree-dept,
      .tree-fa,
      .tree-room {
        min-height: 44px;
        display: flex;
        align-items: center;
      }
      
      .tree-chapter-header,
      .tree-dept-header,
      .tree-fa-header,
      .tree-room-header {
        padding: 12px 10px;
      }
      
      /* Better tap targets for buttons */
      .btn-primary,
      .btn-secondary,
      button {
        min-height: 44px;
        min-width: 44px;
        padding: 10px 16px;
      }
      
      /* Tree container takes more height */
      .tree-container {
        max-height: 50vh;
      }
      
      /* Room detail panel improvements */
      .room-detail-panel {
        font-size: 0.9rem;
      }
      
      .room-detail-panel .detail-row {
        flex-direction: column;
        gap: 4px;
        padding: 10px 0;
      }
      
      .room-detail-panel .detail-label {
        font-weight: 600;
      }
      
      /* Tab buttons on mobile */
      .tab-buttons {
        flex-wrap: wrap;
        gap: 6px;
      }
      
      .tab-buttons button {
        flex: 1 1 auto;
        min-width: 80px;
        padding: 10px 8px;
        font-size: 0.85rem;
      }
      
      /* Table responsiveness */
      .equipment-table,
      .jsn-table-wrapper {
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
      }
      
      .equipment-table table,
      .jsn-table-wrapper table {
        min-width: 500px;
      }
      
      /* Input fields */
      input[type="text"],
      input[type="number"],
      input[type="search"],
      select,
      textarea {
        font-size: 16px; /* Prevents iOS zoom on focus */
        min-height: 44px;
        padding: 10px 12px;
      }
      
      /* Modal improvements */
      .modal-content,
      .sync-modal-content,
      .logic-modal-content {
        margin: 10px;
        max-height: calc(100vh - 20px);
        width: calc(100% - 20px);
        max-width: 100%;
      }
      
      /* Pagination */
      .jsn-pagination-buttons button {
        min-width: 40px;
        min-height: 40px;
        padding: 8px;
      }
    }
    
    /* Touch device specific improvements */
    @media (pointer: coarse) {
      /* All interactive elements need bigger touch targets */
      .tree-expand-icon,
      .tree-toggle {
        min-width: 32px;
        min-height: 32px;
        display: inline-flex;
        align-items: center;
        justify-content: center;
      }
      
      /* Row hover states are less useful on touch */
      .tree-room:hover,
      .tree-fa:hover,
      .tree-dept:hover,
      .tree-chapter:hover {
        background: transparent;
      }
      
      .tree-room:active,
      .tree-fa:active,
      .tree-dept:active,
      .tree-chapter:active {
        background: var(--accent-light);
      }
      
      /* Increase spacing for touch */
      .tree-room {
        padding: 10px 8px;
        margin: 2px 0;
      }
      
      /* Scrollbars hidden on touch devices */
      .tree-container::-webkit-scrollbar,
      #toolbox-rooms::-webkit-scrollbar {
        width: 0;
        height: 0;
      }
    }

    /* Tree View Styles */
    .tree-container {
      background-color: var(--bg-card);
      border: 1px solid var(--border);
      border-radius: 8px;
      padding: 16px;
      max-height: calc(100vh - 200px);
      overflow-y: auto;
    }

    .tree-header {
      display: flex;
      flex-direction: column;
      gap: 8px;
      margin-bottom: 16px;
    }

    .tree-header-top {
      display: flex;
      justify-content: space-between;
      align-items: center;
    }

    .tree-header-right {
      display: flex;
      gap: 6px;
      align-items: center;
      justify-content: flex-end;
      min-height: 28px;
    }

    .tree-header-title {
      display: flex;
      align-items: center;
      gap: 8px;
    }

    .nav-ghost-btn.is-hidden,
    .nav-toolbar.is-hidden,
    .nav-btn-sep.is-hidden {
      display: none;
      pointer-events: none;
    }

    /* ── Unified ghost button for navigator header ── */
    .nav-ghost-btn {
      position: relative;
      background: none;
      border: none;
      padding: 4px 6px;
      font-size: 1rem;
      cursor: pointer;
      color: var(--text);
      border-radius: 4px;
      transition: background 0.15s ease, color 0.15s ease;
      line-height: 1;
      display: flex;
      align-items: center;
      justify-content: center;
      opacity: 0.7;
    }

    .nav-ghost-btn:hover {
      background: var(--overlay-active);
      opacity: 1;
    }

    .nav-ghost-btn.active {
      color: var(--accent);
      background: var(--accent-faint);
      opacity: 1;
    }

    #navigator-search-toggle {
      transform-origin: center;
    }

    #navigator-search-toggle.active {
      box-shadow: inset 0 0 0 1px var(--accent-light);
      transform: scale(1.04);
    }

    .nav-ghost-btn.nav-accent {
      color: var(--accent);
      opacity: 0.85;
    }

    .nav-ghost-btn.nav-accent:hover {
      opacity: 1;
      background: rgba(0, 184, 148, 0.1);
    }

    /* Subtle divider between button groups on the same row */
    .nav-btn-sep {
      width: 1px;
      height: 16px;
      background: var(--border);
      opacity: 0.5;
      flex-shrink: 0;
    }

    /* ── Navigator Toolbar (project list actions) ── */
    .nav-toolbar {
      display: flex;
      gap: 2px;
      align-items: center;
    }

    .navigator-search-row.is-hidden {
      display: none;
    }

    .navigator-search-row {
      overflow: hidden;
      transform-origin: top right;
      animation: navigatorSearchRowIn 0.2s cubic-bezier(0.2, 0.8, 0.2, 1);
    }

    .navigator-search-shell {
      display: flex;
      align-items: center;
      gap: 6px;
      width: 100%;
      min-height: 34px;
      padding: 0 8px;
      border: 1px solid var(--input-border);
      border-radius: 6px;
      background: var(--input-bg);
      box-shadow: 0 0 0 0 var(--accent-faint);
      transition: border-color 0.15s ease, box-shadow 0.15s ease;
      transform-origin: right center;
      animation: navigatorSearchGrow 0.24s cubic-bezier(0.16, 1, 0.3, 1);
    }

    .navigator-search-shell:focus-within {
      border-color: var(--accent);
      box-shadow: 0 0 0 2px var(--accent-faint);
    }

    .navigator-search-icon {
      flex-shrink: 0;
      color: var(--muted);
      font-size: 0.85rem;
      line-height: 1;
      transform-origin: center;
      animation: navigatorSearchIconSettle 0.24s ease-out;
    }

    .navigator-search-clear {
      flex-shrink: 0;
      width: 22px;
      height: 22px;
      border: none;
      border-radius: 4px;
      background: transparent;
      color: var(--muted);
      cursor: pointer;
      line-height: 1;
      font-size: 0.8rem;
    }

    .navigator-search-clear:hover {
      background: var(--overlay-active);
      color: var(--text);
    }

    @keyframes navigatorSearchRowIn {
      from {
        opacity: 0;
        max-height: 0;
        transform: translateY(-4px);
      }
      to {
        opacity: 1;
        max-height: 42px;
        transform: translateY(0);
      }
    }

    @keyframes navigatorSearchGrow {
      from {
        opacity: 0;
        transform: scaleX(0.12);
      }
      65% {
        opacity: 1;
        transform: scaleX(1.02);
      }
      to {
        opacity: 1;
        transform: scaleX(1);
      }
    }

    @keyframes navigatorSearchIconSettle {
      from {
        opacity: 0;
        transform: rotate(-12deg) scale(0.7);
      }
      to {
        opacity: 1;
        transform: rotate(0deg) scale(1);
      }
    }

    .mode-toggle {
      display: flex;
      gap: 8px;
      align-items: center;
    }

    .mode-btn {
      padding: 6px 12px;
      border-radius: 6px;
      border: 1px solid var(--border);
      background-color: var(--pill-inactive);
      color: var(--text);
      font-size: 0.75rem;
      cursor: pointer;
      transition: all 0.15s ease;
    }

    .mode-btn.active {
      background-color: var(--accent);
      border-color: var(--accent);
    }

    .mode-btn:hover {
      transform: translateY(-1px);
    }

    .tree-node {
      margin-left: 0;
    }

    .tree-item {
      position: relative;
      display: flex;
      align-items: flex-start;
      padding: 2px 8px 2px 28px;
      cursor: pointer;
      border-radius: 4px;
      transition: background-color 0.15s ease;
      user-select: none;
      gap: 3px;
      min-height: 24px;
    }

    /* Hide spinner arrows on number inputs */
    input[type="number"]::-webkit-inner-spin-button,
    input[type="number"]::-webkit-outer-spin-button {
      -webkit-appearance: none;
      margin: 0;
    }
    
    input[type="number"] {
      -moz-appearance: textfield;
      appearance: textfield;
    }

    /* Select element styling for better visibility */
    select {
      background-color: var(--select-bg);
      color: var(--text);
      border: 1px solid var(--border);
      cursor: pointer;
    }

    select:hover {
      border-color: var(--accent);
      background-color: var(--select-hover-bg);
    }

    select:focus {
      outline: none;
      border-color: var(--accent);
      box-shadow: 0 0 0 2px var(--accent-faint);
      background-color: var(--select-hover-bg);
    }

    /* Style dropdown options - note: browser support is limited */
    select option {
      background-color: var(--select-bg);
      color: var(--text);
      padding: 4px;
    }

    .tree-item:hover {
      background-color: var(--overlay-hover);
    }

    .tree-item.selected {
      background-color: var(--accent-light);
      border-left: 3px solid var(--accent);
    }

    .tree-item.draggable-item {
      user-select: none;
      -webkit-user-select: none;
      -moz-user-select: none;
      -ms-user-select: none;
    }

    .tree-item.draggable-item:active {
      cursor: grabbing !important;
    }

    .tree-drag-handle {
      position: absolute;
      left: 0;
      top: 0;
      bottom: 0;
      width: 20px;
      cursor: grab;
      display: flex;
      align-items: center;
      justify-content: center;
      opacity: 0;
      transition: opacity 0.2s;
      z-index: 10;
    }

    .tree-drag-handle::before {
      content: '⋮';
      font-size: 14px;
      color: var(--muted);
    }

    .tree-item:hover .tree-drag-handle {
      opacity: 1;
    }

    .tree-drag-handle:active {
      cursor: grabbing;
    }

    .tree-item {
      position: relative;
      padding-left: 24px;
    }

    .tree-item.drag-over {
      border-top: 2px solid var(--accent);
      background-color: rgba(0, 184, 148, 0.1);
    }

    .tree-item[draggable="true"] {
      -webkit-user-drag: element;
    }

    .tree-toggle {
      width: 16px;
      min-height: 16px;
      margin-right: 4px;
      margin-top: 2px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      font-size: 0.7rem;
      color: var(--muted);
      flex-shrink: 0;
    }

    .tree-toggle.collapsed::before {
      content: '▶';
    }

    .tree-toggle.expanded::before {
      content: '▼';
    }

    .tree-toggle.leaf {
      font-size: 0.55rem;
    }

    .tree-toggle.leaf::before {
      content: '●';
    }

    .tree-toggle.leaf-template {
      font-size: 0.7rem;
      font-weight: bold;
      color: var(--purple);
    }

    .tree-toggle.leaf-template::before {
      content: 'T';
    }

    .tree-icon {
      margin-right: 6px;
      margin-top: 1px;
      font-size: 0.85rem;
      flex-shrink: 0;
    }

    .tree-label {
      font-size: 0.85rem;
      flex: 1;
      word-wrap: break-word;
      overflow-wrap: break-word;
      min-width: 0;
    }

    .tree-count {
      font-size: 0.75rem;
      color: var(--muted);
      margin-left: 8px;
    }

    .tree-children {
      margin-left: 16px;
      display: none;
    }

    .tree-children.expanded {
      display: block;
    }

    .detail-panel {
      background-color: var(--bg-card);
      border: 1px solid var(--border);
      border-radius: 8px;
      padding: 12px;
      margin-bottom: 10px;
    }

    .detail-panel h3 {
      margin: 0 0 8px 0;
      font-size: 1rem;
      color: var(--accent);
    }

    .detail-row {
      display: grid;
      grid-template-columns: 110px 1fr;
      gap: 6px;
      padding: 3px 0;
      border-bottom: 1px solid var(--border-subtle);
      font-size: 0.8rem;
    }

    .detail-row:last-child {
      border-bottom: none;
    }

    .detail-label {
      font-weight: 600;
      min-width: 100px;
      color: var(--muted);
      font-size: 0.78rem;
    }

    .detail-value {
      flex: 1;
    }

    .equipment-list {
      max-height: 400px;
      overflow-y: auto;
    }

    .equipment-item {
      padding: 0;
      margin: 2px 0;
      background-color: var(--overlay-subtle);
      border: 1px solid var(--border);
      border-radius: 6px;
      font-size: 0.8rem;
      overflow: hidden;
      transition: border-color 0.15s;
    }

    .equipment-item:hover {
      border-color: var(--primary);
    }

    .equipment-item.eq-expanded {
      border-color: var(--primary);
    }

    .equipment-item-header {
      display: flex;
      align-items: center;
      gap: 8px;
      font-weight: 600;
      min-width: 0;
      padding: 8px 12px;
      cursor: pointer;
      flex-wrap: wrap;
    }
    
    .equipment-item-body {
      display: none;
      padding: 0 12px 10px 12px;
    }

    .equipment-item.eq-expanded .equipment-item-body {
      display: block;
    }

    .equipment-item-controls {
      display: flex;
      align-items: center;
      gap: 10px;
      flex-wrap: wrap;
      padding-top: 6px;
      border-top: 1px solid var(--border-subtle);
      font-size: 0.8rem;
    }

    .equipment-item-controls .eq-field {
      display: flex;
      align-items: center;
      gap: 4px;
      white-space: nowrap;
    }

    .equipment-item-controls .eq-field label {
      font-size: 0.7rem;
      color: var(--muted);
      text-transform: uppercase;
      letter-spacing: 0.3px;
    }

    .equipment-item-controls .eq-total {
      font-weight: 600;
      color: var(--text);
      margin-left: auto;
    }

    .equipment-item-controls .eq-category {
      font-size: 0.7rem;
      color: var(--muted);
      background: var(--overlay-hover);
      padding: 2px 6px;
      border-radius: 3px;
    }

    .equipment-item-desc {
      color: var(--muted);
      font-size: 0.75rem;
      line-height: 1.4;
      display: block;
      word-wrap: break-word;
      overflow-wrap: break-word;
    }

    .equipment-item-desc.truncated {
      display: -webkit-box;
      -webkit-line-clamp: 2;
      line-clamp: 2;
      -webkit-box-orient: vertical;
      overflow: hidden;
      text-overflow: ellipsis;
    }

    .equipment-item-desc.expanded {
      display: block;
      white-space: normal;
    }

    .equipment-desc-toggle {
      color: var(--primary);
      cursor: pointer;
      font-size: 0.75rem;
      margin-left: 4px;
      text-decoration: underline;
      display: inline;
    }

    .equipment-desc-toggle:hover {
      color: var(--primary-hover);
    }

    /* Equipment Detail Panel Styles */
    .equipment-detail-section {
      margin-bottom: 20px;
      padding-bottom: 16px;
      border-bottom: 1px solid var(--border);
    }
    
    .equipment-detail-section:last-child {
      border-bottom: none;
      margin-bottom: 0;
    }
    
    .equipment-detail-section h3 {
      font-size: 0.9rem;
      font-weight: 600;
      color: var(--accent);
      margin: 0 0 12px 0;
      text-transform: uppercase;
      letter-spacing: 0.5px;
    }
    
    .equipment-detail-grid {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 6px;
    }
    
    .equipment-detail-row {
      display: flex;
      align-items: center;
      gap: 6px;
    }
    
    .equipment-detail-label {
      font-size: 0.8rem;
      color: var(--muted);
      min-width: 80px;
      flex-shrink: 0;
    }
    
    .equipment-detail-value {
      font-size: 0.85rem;
      color: var(--text);
      word-break: break-word;
    }
    
    .equipment-detail-value.highlight {
      color: var(--accent);
      font-weight: 600;
    }
    
    .equipment-vendor-card {
      background: var(--bg-hover);
      border-radius: 6px;
      padding: 12px;
      margin-bottom: 8px;
    }
    
    .equipment-vendor-card:last-child {
      margin-bottom: 0;
    }

    /* Compact equipment detail modal - dashboard layout */
    #equipment-detail-modal .modal-content {
      max-width: 1200px;
    }

    #equipment-detail-content.eq-compact {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 6px 16px;
      padding: 10px 16px;
    }

    #equipment-detail-content.eq-compact .eq-full-span {
      grid-column: 1 / -1;
    }

    #equipment-detail-content.eq-compact .equipment-detail-section {
      margin-bottom: 0;
      padding-bottom: 4px;
    }

    #equipment-detail-content.eq-compact .equipment-detail-section h3 {
      font-size: 0.75rem;
      margin: 0 0 5px 0;
      letter-spacing: 0.8px;
    }

    #equipment-detail-content.eq-compact .equipment-detail-grid {
      gap: 3px;
    }

    #equipment-detail-content.eq-compact .equipment-detail-row {
      gap: 4px;
    }

    #equipment-detail-content.eq-compact .equipment-detail-label {
      font-size: 0.75rem;
      min-width: 65px;
    }

    #equipment-detail-content.eq-compact .equipment-detail-value {
      font-size: 0.8rem;
    }

    /* Vendor cards side-by-side */
    .eq-vendors-row {
      display: flex;
      gap: 8px;
      flex-wrap: wrap;
    }

    .eq-vendors-row > .equipment-vendor-card {
      flex: 1;
      min-width: 220px;
      margin-bottom: 0;
      padding: 8px 10px;
    }

    .eq-vendors-row > .equipment-vendor-card .equipment-detail-grid {
      grid-template-columns: 1fr;
    }

    /* Modal header/footer compact in eq detail */
    #equipment-detail-modal .modal-header {
      margin-bottom: 8px;
      padding-bottom: 8px;
    }

    #equipment-detail-modal .modal-header h2 {
      font-size: 1rem;
    }

    #equipment-detail-modal .modal-footer {
      margin-top: 8px;
      padding-top: 8px;
    }

    /* Replace equipment modal sits above equipment detail modal */
    #replace-equipment-modal {
      z-index: 1100;
    }
    
    .jsn-clickable {
      cursor: pointer;
      color: var(--primary);
      text-decoration: underline;
      transition: color 0.2s;
    }
    
    .jsn-clickable:hover {
      color: var(--accent);
    }

    /* JSN Lookup Mode Styles */
    .jsn-lookup-container {
      padding: 20px;
      display: flex;
      flex-direction: column;
      height: 100%;
      overflow: hidden;
    }
    
    .jsn-lookup-search {
      display: flex;
      gap: 12px;
      margin-bottom: 12px;
      flex-shrink: 0;
    }
    
    .jsn-lookup-search input {
      flex: 1;
      padding: 12px 16px;
      font-size: 1rem;
      border: 2px solid var(--border);
      border-radius: 8px;
      background: var(--input-bg);
      color: var(--text);
      transition: border-color 0.2s;
    }
    
    .jsn-lookup-search input:focus {
      border-color: var(--accent);
      outline: none;
    }
    
    .jsn-lookup-results {
      display: grid;
      gap: 12px;
    }
    
    .jsn-result-card {
      background: var(--bg-card);
      border: 1px solid var(--border);
      border-radius: 8px;
      padding: 16px;
      cursor: pointer;
      transition: all 0.2s;
    }
    
    .jsn-result-card:hover {
      border-color: var(--accent);
      box-shadow: 0 2px 8px var(--accent-faint);
    }
    
    .jsn-result-header {
      display: flex;
      justify-content: space-between;
      align-items: flex-start;
      margin-bottom: 8px;
    }
    
    .jsn-result-jsn {
      font-weight: 700;
      font-size: 1.1rem;
      color: var(--accent);
    }
    
    .jsn-result-category {
      font-size: 0.75rem;
      padding: 2px 8px;
      border-radius: 4px;
      background: var(--bg-hover);
      color: var(--muted);
    }
    
    .jsn-result-name {
      font-weight: 600;
      margin-bottom: 4px;
    }
    
    .jsn-result-desc {
      font-size: 0.85rem;
      color: var(--muted);
      display: -webkit-box;
      -webkit-line-clamp: 2;
      line-clamp: 2;
      -webkit-box-orient: vertical;
      overflow: hidden;
    }
    
    .jsn-result-specs {
      display: flex;
      gap: 16px;
      margin-top: 8px;
      font-size: 0.8rem;
      color: var(--muted);
    }

    /* JSN Flat List Styles */
    .jsn-lookup-list {
      flex: 1;
      overflow-y: auto;
      border: 1px solid var(--border);
      border-radius: 6px;
      background: var(--bg);
    }
    
    .jsn-list-item {
      display: flex;
      align-items: center;
      gap: 10px;
      padding: 8px 12px;
      cursor: pointer;
      border-bottom: 1px solid var(--border);
      transition: background 0.15s;
    }
    
    .jsn-list-item:last-child {
      border-bottom: none;
    }
    
    .jsn-list-item:hover {
      background: var(--bg-hover);
    }
    
    .jsn-list-item.selected {
      background: var(--accent);
      color: var(--bg);
    }
    
    .jsn-list-item.selected .jsn-list-jsn {
      color: var(--bg);
    }
    
    .jsn-list-item.selected .jsn-list-name {
      color: var(--bg);
    }
    
    .jsn-list-jsn {
      font-weight: 600;
      font-size: 0.85rem;
      color: var(--primary);
      min-width: 60px;
      flex-shrink: 0;
    }
    
    .jsn-list-name {
      font-size: 0.85rem;
      color: var(--text);
      white-space: nowrap;
      overflow: hidden;
      text-overflow: ellipsis;
    }
    
    /* Pagination Styles */
    .jsn-lookup-pagination {
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding: 10px 0;
      margin-top: 8px;
      border-top: 1px solid var(--border);
      flex-shrink: 0;
    }
    
    .jsn-pagination-info {
      font-size: 0.8rem;
      color: var(--muted);
    }
    
    .jsn-pagination-buttons {
      display: flex;
      align-items: center;
      gap: 10px;
    }
    
    .jsn-pagination-buttons button {
      padding: 6px 12px;
      font-size: 0.8rem;
      background: var(--bg-secondary);
      border: 1px solid var(--border);
      border-radius: 4px;
      color: var(--text);
      cursor: pointer;
      transition: all 0.2s;
    }
    
    .jsn-pagination-buttons button:hover:not(:disabled) {
      background: var(--accent);
      color: var(--bg);
      border-color: var(--accent);
    }
    
    .jsn-pagination-buttons button:disabled {
      opacity: 0.4;
      cursor: not-allowed;
    }
    
    .jsn-pagination-current {
      font-size: 0.8rem;
      color: var(--muted);
      padding: 0 8px;
    }

    /* Logic Portal Styles */
    .logic-card {
      background: var(--bg-card);
      border: 2px solid var(--border);
      border-radius: 8px;
      padding: 20px;
      transition: all 0.2s;
    }

    .logic-card:hover {
      border-color: var(--accent);
      box-shadow: 0 4px 12px var(--accent-light);
    }

    .logic-card-header {
      display: flex;
      justify-content: space-between;
      align-items: flex-start;
      margin-bottom: 15px;
      padding-bottom: 15px;
      border-bottom: 2px solid var(--border);
    }

    .logic-card-title {
      flex: 1;
    }

    .logic-card-code {
      font-weight: bold;
      color: var(--accent);
      font-size: 16px;
      margin-bottom: 5px;
    }

    .logic-card-name {
      color: var(--muted);
      font-size: 14px;
    }

    .logic-fields {
      display: grid;
      gap: 15px;
    }

    .logic-field {
      display: grid;
      grid-template-columns: 150px 1fr;
      gap: 10px;
      align-items: start;
    }

    .logic-field-label {
      font-weight: 600;
      color: var(--text);
      padding-top: 8px;
      font-size: 13px;
    }

    .logic-field-input, .logic-field-textarea {
      padding: 8px 12px;
      border: 2px solid var(--input-border);
      border-radius: 4px;
      font-size: 14px;
      font-family: 'Courier New', monospace;
      background: var(--input-bg);
      color: var(--text);
    }

    .logic-field-input:focus, .logic-field-textarea:focus {
      outline: none;
      border-color: var(--accent);
    }

    .logic-field-textarea {
      min-height: 60px;
      resize: vertical;
    }

    .logic-help-text {
      grid-column: 2;
      font-size: 12px;
      color: var(--muted);
      font-style: italic;
      margin-top: -10px;
    }

    .logic-status {
      display: inline-block;
      padding: 4px 10px;
      border-radius: 4px;
      font-size: 11px;
      font-weight: 600;
      text-transform: uppercase;
    }

    .logic-status.complete {
      background: var(--accent-light);
      color: var(--accent);
    }

    .logic-status.partial {
      background: var(--warning-faint);
      color: var(--warning);
    }

    .logic-status.empty {
      background: var(--overlay-active);
      color: var(--muted);
    }

    .card {
      border: 1px solid var(--border);
      border-radius: 8px;
      padding: 16px;
      margin-bottom: 16px;
      background-color: var(--bg-card);
      box-shadow: 0 0 12px var(--card-shadow);
    }

    .card h2 {
      margin-bottom: 8px;
      font-size: 1.1rem;
    }

    .pill {
      border-radius: 999px;
      padding: 6px 12px;
      margin-right: 8px;
      margin-bottom: 8px;
      border: none;
      cursor: pointer;
      background-color: var(--pill-inactive);
      color: var(--text);
      font-size: 0.75rem;
      transition: background-color 0.15s ease, transform 0.12s ease;
    }

    .pill.active {
      background-color: var(--accent);
    }

    .pill:hover {
      transform: translateY(-1px);
    }

    .pill-group {
      display: flex;
      flex-wrap: wrap;
    }

    .ids-list {
      max-height: 420px;
      overflow-y: auto;
      padding-right: 4px;
    }

    .ids-item {
      margin-bottom: 12px;
      padding-bottom: 12px;
      border-bottom: 1px solid var(--border);
      font-size: 0.8rem;
    }

    .ids-question {
      font-weight: 600;
      margin-bottom: 4px;
    }

    .ids-input {
      width: 100%;
      padding: 6px;
      border-radius: 4px;
      border: 1px solid var(--input-border);
      background-color: var(--input-bg);
      color: var(--text);
      font-size: 0.8rem;
    }

    table {
      width: 100%;
      border-collapse: collapse;
      font-size: 0.8rem;
    }

    th, td {
      padding: 4px 0;
    }

    th {
      text-align: left;
      border-bottom: 1px solid var(--border);
      padding-bottom: 4px;
      font-weight: 600;
    }

    th.right,
    td.right {
      text-align: right;
    }

    .muted {
      color: var(--muted);
      font-size: 0.9rem;
    }

    code {
      font-family: Menlo, Monaco, Consolas, "Courier New", monospace;
      font-size: 0.8rem;
      background-color: var(--code-bg);
      padding: 1px 4px;
      border-radius: 3px;
    }

    ul {
      padding-left: 18px;
    }

    li {
      margin-bottom: 4px;
    }

    /* Modal Styles */
    .modal-overlay {
      display: none;
      position: fixed;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      background-color: var(--modal-overlay);
      z-index: 1000;
      align-items: center;
      justify-content: center;
    }

    .modal-overlay.active {
      display: flex;
    }

    .modal-content {
      background-color: var(--bg-card);
      border: 1px solid var(--border);
      border-radius: 8px;
      padding: 24px;
      max-width: 900px;
      max-height: 80vh;
      overflow-y: auto;
      width: 90%;
    }

    .modal-header {
      display: flex;
      justify-content: space-between;
      align-items: center;
      margin-bottom: 20px;
      border-bottom: 1px solid var(--border);
      padding-bottom: 12px;
    }

    .modal-close {
      background: none;
      border: none;
      color: var(--text);
      font-size: 1.5rem;
      cursor: pointer;
      padding: 0;
      width: 30px;
      height: 30px;
    }

    .modal-close:hover {
      color: var(--accent);
    }

    .import-options {
      display: flex;
      gap: 12px;
      margin-bottom: 20px;
    }

    .import-option-btn {
      padding: 8px 16px;
      border-radius: 6px;
      border: 1px solid var(--border);
      background-color: var(--pill-inactive);
      color: var(--text);
      cursor: pointer;
      font-size: 0.85rem;
      transition: all 0.15s ease;
    }

    .import-option-btn.active {
      background-color: var(--accent);
      border-color: var(--accent);
    }

    .import-mode-tabs {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 6px;
      margin-bottom: 16px;
      padding: 4px;
      border: 1px solid var(--border);
      border-radius: 8px;
      background: var(--bg);
    }

    .import-mode-tab {
      padding: 8px 10px;
      border: 1px solid transparent;
      border-radius: 6px;
      background: transparent;
      color: var(--muted);
      cursor: pointer;
      font-size: 0.88rem;
      font-weight: 600;
      transition: all 0.15s ease;
    }

    .import-mode-tab:hover {
      color: var(--text);
      background: var(--overlay-hover);
    }

    .import-mode-tab.active {
      color: white;
      background: var(--accent);
      border-color: var(--accent);
    }

    .import-tree {
      max-height: 400px;
      overflow-y: auto;
      border: 1px solid var(--border);
      border-radius: 6px;
      padding: 12px;
      background-color: var(--bg);
    }

    .import-tree-item {
      padding: 6px 0;
      display: flex;
      align-items: center;
      gap: 8px;
    }

    .import-tree-item input[type="checkbox"] {
      cursor: pointer;
    }

    .import-tree-item label {
      cursor: pointer;
      flex: 1;
    }

    .import-tree-children {
      margin-left: 24px;
    }

    .merge-option {
      margin-top: 16px;
      padding: 12px;
      background-color: var(--bg);
      border: 1px solid var(--border);
      border-radius: 6px;
    }

    .merge-option label {
      display: flex;
      align-items: center;
      gap: 8px;
      cursor: pointer;
      font-size: 0.9rem;
    }

    .blank-room-form {
      display: grid;
      gap: 14px;
      padding: 16px;
      border: 1px solid var(--border);
      border-radius: 8px;
      background: var(--bg);
    }

    .blank-room-field {
      display: flex;
      flex-direction: column;
      gap: 6px;
    }

    .blank-room-field label {
      font-size: 0.82rem;
      font-weight: 600;
      color: var(--muted);
    }

    .blank-room-field input {
      width: 100%;
      padding: 8px;
      border: 1px solid var(--input-border);
      border-radius: 6px;
      background: var(--input-bg);
      color: var(--text);
      font-size: 0.92rem;
    }

    .blank-room-checkbox {
      display: flex;
      align-items: center;
      gap: 8px;
      cursor: pointer;
      font-size: 0.9rem;
      color: var(--text);
    }

    .blank-room-prefill-fields {
      display: grid;
      grid-template-columns: repeat(2, minmax(0, 1fr));
      gap: 12px;
    }

    @media (max-width: 680px) {
      .blank-room-prefill-fields {
        grid-template-columns: 1fr;
      }
    }

    .btn-primary {
      background-color: var(--accent);
      color: white;
      border: none;
      padding: 10px 20px;
      border-radius: 6px;
      cursor: pointer;
      font-size: 0.9rem;
      transition: all 0.15s ease;
    }

    .btn-primary:hover {
      opacity: 0.9;
    }

    .btn-secondary {
      background-color: var(--pill-inactive);
      color: var(--text);
      border: 1px solid var(--border);
      padding: 10px 20px;
      border-radius: 6px;
      cursor: pointer;
      font-size: 0.9rem;
      transition: all 0.15s ease;
    }

    .btn-secondary:hover {
      background-color: var(--btn-secondary-hover);
    }

    .modal-footer {
      margin-top: 20px;
      display: flex;
      justify-content: flex-end;
      gap: 12px;
      padding-top: 12px;
      border-top: 1px solid var(--border);
    }

    .project-name-input {
      width: 100%;
      padding: 8px;
      border-radius: 4px;
      border: 1px solid var(--input-border);
      background-color: var(--input-bg);
      color: var(--text);
      font-size: 0.9rem;
      margin-bottom: 16px;
    }

    .add-to-project-btn {
      margin-top: 12px;
      width: 100%;
      background-color: var(--accent);
      color: white;
      border: none;
      padding: 8px 16px;
      border-radius: 6px;
      cursor: pointer;
      font-size: 0.85rem;
      transition: all 0.15s ease;
    }

    .add-to-project-btn:hover {
      opacity: 0.9;
    }

    .tree-search-box {
      width: 100%;
      padding: 8px 12px;
      background: var(--input-bg);
      border: 1px solid var(--input-border);
      border-radius: 6px;
      color: var(--text);
      font-size: 0.9rem;
      margin-top: 12px;
      margin-bottom: 0;
    }

    .tree-search-box:focus {
      outline: none;
      border-color: var(--accent);
    }

    .navigator-search-shell .tree-search-box {
      flex: 1;
      min-width: 0;
      padding: 7px 0;
      margin: 0;
      border: none;
      border-radius: 0;
      background: transparent;
      box-shadow: none;
    }

    .navigator-search-shell .tree-search-box:focus {
      border-color: transparent;
      box-shadow: none;
    }

    .navigator-search-results {
      display: grid;
      gap: 6px;
      animation: navigatorSearchResultsIn 0.18s ease-out;
    }

    .navigator-search-summary {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 8px;
      padding: 0 2px 6px;
      color: var(--muted);
      font-size: 0.72rem;
      text-transform: uppercase;
      letter-spacing: 0.06em;
      border-bottom: 1px solid var(--border-subtle);
      margin-bottom: 2px;
    }

    .navigator-search-result {
      display: flex;
      align-items: flex-start;
      gap: 8px;
      width: 100%;
      padding: 8px;
      border: 1px solid transparent;
      border-radius: 6px;
      background: transparent;
      color: var(--text);
      cursor: pointer;
      text-align: left;
      transform: translateY(0);
      transition: background 0.15s ease, border-color 0.15s ease, transform 0.15s ease;
    }

    .navigator-search-result:hover,
    .navigator-search-result:focus {
      outline: none;
      background: var(--overlay-hover);
      border-color: var(--border);
      transform: translateY(-1px);
    }

    .navigator-search-result-icon {
      width: 18px;
      flex-shrink: 0;
      text-align: center;
      font-size: 0.88rem;
      line-height: 1.25;
      margin-top: 1px;
    }

    .navigator-search-result-main {
      min-width: 0;
      flex: 1;
    }

    .navigator-search-result-title {
      display: block;
      font-size: 0.84rem;
      font-weight: 600;
      line-height: 1.25;
      overflow-wrap: anywhere;
    }

    .navigator-search-result-meta,
    .navigator-search-result-match {
      display: block;
      margin-top: 2px;
      color: var(--muted);
      font-size: 0.72rem;
      line-height: 1.25;
      overflow-wrap: anywhere;
    }

    .navigator-search-result-match {
      color: var(--text-secondary);
    }

    .navigator-search-result mark {
      padding: 0 2px;
      border-radius: 3px;
      background: var(--accent-light);
      color: var(--text);
    }

    .navigator-search-empty {
      padding: 18px 8px;
      color: var(--muted);
      font-size: 0.82rem;
      text-align: center;
      border: 1px dashed var(--border);
      border-radius: 6px;
      background: var(--overlay-subtle);
    }

    @keyframes navigatorSearchResultsIn {
      from {
        opacity: 0;
        transform: translateY(-3px);
      }
      to {
        opacity: 1;
        transform: translateY(0);
      }
    }

    .tree-item.search-match {
      background-color: var(--accent-faint);
    }

    .tree-item.search-highlight {
      background-color: var(--accent-light);
    }

    /* Room Logic Indicators */
    .logic-badge {
      display: inline-flex;
      align-items: center;
      gap: 4px;
      font-size: 0.7rem;
      padding: 2px 8px;
      border-radius: 12px;
      font-weight: 600;
      margin-left: 8px;
      vertical-align: middle;
    }

    .logic-badge.enabled {
      background: linear-gradient(135deg, var(--accent) 0%, var(--teal) 100%);
      color: white;
      box-shadow: 0 2px 4px var(--accent-glow);
    }

    .logic-badge.disabled {
      background: var(--pill-inactive);
      color: var(--muted);
      border: 1px solid var(--border);
    }

    .logic-badge::before {
      content: "";
      width: 6px;
      height: 6px;
      border-radius: 50%;
      display: inline-block;
    }

    .logic-badge.enabled::before {
      background: white;
      box-shadow: 0 0 4px rgba(255, 255, 255, 0.8);
    }

    .logic-badge.disabled::before {
      background: var(--muted);
    }

    .import-tree-item.has-logic {
      border-left: 3px solid var(--accent);
      padding-left: 12px;
    }

    .import-tree-item.no-logic {
      opacity: 0.7;
    }

    /* Logic Toggle Switch */
    .logic-toggle-switch {
      position: relative;
      display: inline-block !important;
      width: 24px !important;
      height: 14px !important;
      margin-left: 4px !important;
      margin-right: 4px !important;
      vertical-align: middle;
      flex-shrink: 0;
      min-width: 24px !important;
      max-width: 24px !important;
    }

    .logic-toggle-switch input {
      opacity: 0;
      width: 0;
      height: 0;
    }

    .logic-toggle-slider {
      position: absolute;
      cursor: pointer;
      top: 0;
      left: 0;
      right: 0;
      bottom: 0;
      background-color: var(--pill-inactive);
      border: 1px solid var(--border);
      transition: .3s;
      border-radius: 14px;
    }

    .logic-toggle-slider:before {
      position: absolute;
      content: "";
      height: 10px;
      width: 10px;
      left: 2px;
      bottom: 1px;
      background-color: white;
      transition: .3s;
      border-radius: 50%;
    }

    .logic-toggle-switch input:checked + .logic-toggle-slider {
      background: linear-gradient(135deg, var(--accent) 0%, var(--teal) 100%);
      border-color: var(--accent);
    }

    .logic-toggle-switch input:checked + .logic-toggle-slider:before {
      transform: translateX(10px);
    }

    .logic-toggle-switch:hover .logic-toggle-slider {
      box-shadow: 0 0 8px var(--accent-glow);
    }

    .logic-toggle-switch.disabled {
      opacity: 0.45;
      cursor: not-allowed;
    }

    .logic-toggle-switch.disabled .logic-toggle-slider {
      cursor: not-allowed;
    }

    /* Template Toggle Switch - for disassociating attributes/equipment */
    .template-toggle-switch {
      position: relative;
      display: inline-block !important;
      width: 28px !important;
      height: 16px !important;
      margin-right: 4px !important;
      vertical-align: middle;
      flex-shrink: 0;
      min-width: 28px !important;
      max-width: 28px !important;
    }

    .template-toggle-switch input {
      opacity: 0;
      width: 0;
      height: 0;
    }

    .template-toggle-slider {
      position: absolute;
      cursor: pointer;
      top: 0;
      left: 0;
      right: 0;
      bottom: 0;
      background-color: var(--green-badge);
      border: 1px solid var(--green-badge);
      transition: .3s;
      border-radius: 16px;
    }

    .template-toggle-slider:before {
      position: absolute;
      content: "";
      height: 12px;
      width: 12px;
      left: 2px;
      bottom: 1px;
      background-color: white;
      transition: .3s;
      border-radius: 50%;
    }

    /* When checked = disassociated/custom mode */
    .template-toggle-switch input:checked + .template-toggle-slider {
      background: var(--error);
      border-color: var(--error);
    }

    .template-toggle-switch input:checked + .template-toggle-slider:before {
      transform: translateX(12px);
    }

    .template-toggle-switch:hover .template-toggle-slider {
      box-shadow: 0 0 8px var(--purple-faint);
    }

    /* Department Input Modal */
    .input-modal {
      background: var(--bg-card);
      padding: 20px;
      border-radius: 8px;
      margin-top: 16px;
      border: 1px solid var(--border);
    }

    .input-field {
      margin-bottom: 16px;
    }

    .input-field label {
      display: block;
      margin-bottom: 6px;
      font-weight: 500;
      color: var(--text);
    }

    .input-field input[type="number"],
    .input-field input[type="text"] {
      width: 100%;
      padding: 10px;
      background: var(--input-bg);
      border: 1px solid var(--input-border);
      border-radius: 6px;
      color: var(--text);
      font-size: 0.95rem;
    }

    .input-field .help-text {
      font-size: 0.85rem;
      color: var(--muted);
      margin-top: 4px;
    }

    .calculation-result {
      background: var(--accent-faint);
      border-left: 3px solid var(--accent);
      padding: 12px;
      border-radius: 4px;
      margin-top: 16px;
    }

    .calculation-result h4 {
      color: var(--accent);
      margin-bottom: 8px;
      font-size: 0.9rem;
    }

    .calculation-summary {
      font-size: 0.85rem;
      color: var(--muted);
    }

    /* Workbench Mode */
    #workbench-container {
      position: fixed;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      background: var(--workbench-bg);
      z-index: 9999;
      display: none;
      flex-direction: column;
      color: var(--workbench-chrome-text);
      --wb-right-panel-space: 232px;
      --wb-panel-edge: 14px;
    }

    #workbench-container.wb-sim-collapsed {
      --wb-right-panel-space: 0px;
    }

    #workbench-container.active {
      display: flex;
    }

    #workbench-header {
      background: var(--workbench-chrome-bg);
      border-bottom: 1px solid var(--workbench-chrome-border);
      padding: 10px 16px;
      display: flex;
      justify-content: space-between;
      align-items: center;
      gap: 12px;
      min-height: 58px;
      box-shadow: 0 10px 30px rgba(0,0,0,0.18);
      backdrop-filter: blur(18px);
    }

    #workbench-header h2 {
      color: var(--workbench-chrome-text);
      font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
      font-size: 0.95rem;
      font-weight: 600;
      letter-spacing: 0;
      margin: 0;
      white-space: nowrap;
    }

    #workbench-controls {
      display: flex;
      gap: 6px;
      align-items: center;
      flex-wrap: wrap;
    }
    
    #workbench-sliders {
      display: flex;
      gap: 6px;
      align-items: center;
      margin-left: auto;
    }

    .workbench-slider-group {
      display: flex;
      align-items: center;
      gap: 6px;
      background: var(--workbench-control-bg);
      padding: 5px 9px;
      border-radius: 999px;
      border: 1px solid var(--workbench-chrome-border);
    }

    .workbench-slider-group label {
      color: var(--workbench-chrome-muted);
      font-size: 0.72rem;
      font-weight: 600;
      white-space: nowrap;
    }
    
    .workbench-slider-group input[type="range"] {
      width: 60px;
      height: 4px;
      -webkit-appearance: none;
      appearance: none;
      background: var(--workbench-chrome-border);
      border-radius: 2px;
      cursor: pointer;
      accent-color: var(--workbench-accent);
    }
    
    .workbench-slider-group input[type="range"]::-webkit-slider-thumb {
      -webkit-appearance: none;
      appearance: none;
      width: 12px;
      height: 12px;
      background: var(--workbench-accent);
      border: 2px solid var(--workbench-chrome-surface-strong);
      border-radius: 50%;
      cursor: pointer;
      box-shadow: 0 2px 8px rgba(0,0,0,0.2);
    }

    .workbench-slider-group span {
      color: var(--workbench-chrome-text);
      font-size: 0.72rem;
      font-variant-numeric: tabular-nums;
      min-width: 30px;
    }

    .workbench-btn {
      background: var(--workbench-control-bg);
      border: 1px solid var(--workbench-chrome-border);
      color: var(--workbench-chrome-text);
      padding: 7px 12px;
      border-radius: 999px;
      cursor: pointer;
      font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
      font-size: 0.78rem;
      font-weight: 600;
      line-height: 1;
      min-height: 32px;
      transition: background 0.16s, border-color 0.16s, color 0.16s, transform 0.16s;
    }

    .workbench-btn:hover {
      background: var(--workbench-control-hover);
      border-color: var(--workbench-accent);
      transform: translateY(-1px);
    }

    .workbench-btn.danger {
      border-color: var(--workbench-chrome-border);
      color: var(--workbench-danger);
      background: transparent;
    }

    .workbench-btn.danger:hover {
      background: var(--error-faint);
      border-color: var(--workbench-danger);
    }

    .workbench-btn.firstperson {
      border-color: var(--workbench-chrome-border);
      color: var(--workbench-chrome-text);
      background: var(--workbench-control-bg);
    }

    .workbench-btn.firstperson:hover {
      background: var(--workbench-control-hover);
      border-color: var(--workbench-gold);
    }

    .workbench-btn.firstperson.active {
      background: var(--warning-yellow-faint);
      border-color: var(--workbench-gold);
      color: var(--workbench-chrome-text);
    }

    .workbench-btn.planview {
      border-color: var(--workbench-chrome-border);
      color: var(--workbench-chrome-text);
      background: var(--workbench-control-bg);
    }

    .workbench-btn.planview:hover {
      background: var(--workbench-control-hover);
      border-color: var(--workbench-accent);
    }

    .workbench-btn.planview.active {
      background: var(--workbench-control-active);
      border-color: var(--workbench-accent);
      color: var(--workbench-chrome-text);
    }

    /* Visualization Mode Selector */
    #viz-mode-selector {
      display: flex;
      margin-left: 6px;
      padding: 3px;
      border: 1px solid var(--workbench-chrome-border);
      border-radius: 999px;
      background: var(--workbench-control-bg);
      gap: 2px;
    }

    .viz-mode-btn {
      background: transparent;
      border: 1px solid transparent;
      color: var(--workbench-chrome-muted);
      padding: 6px 10px;
      border-radius: 999px;
      cursor: pointer;
      font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
      font-size: 0.75rem;
      font-weight: 600;
      transition: background 0.16s, color 0.16s, border-color 0.16s;
    }

    .viz-mode-btn:hover {
      background: var(--workbench-control-hover);
      color: var(--workbench-chrome-text);
    }

    .viz-mode-btn.active {
      background: var(--workbench-chrome-surface-strong);
      border-color: var(--workbench-chrome-border);
      color: var(--workbench-chrome-text);
      box-shadow: 0 2px 10px rgba(0,0,0,0.16);
    }

    #floor-selector {
      display: flex;
      align-items: center;
      gap: 6px;
      margin-left: 8px;
      color: var(--workbench-chrome-muted);
      font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
      font-size: 0.78rem;
      padding: 4px 6px;
      border: 1px solid var(--workbench-chrome-border);
      border-radius: 999px;
      background: var(--workbench-control-bg);
    }

    .floor-btn {
      background: transparent;
      border: none;
      color: var(--workbench-chrome-text);
      width: 24px;
      height: 24px;
      padding: 0;
      border-radius: 50%;
      cursor: pointer;
      font-size: 0.75rem;
      transition: background 0.16s;
    }

    .floor-btn:hover {
      background: var(--workbench-control-hover);
    }

    #current-floor {
      font-weight: bold;
      font-size: 0.9rem;
      min-width: 20px;
      text-align: center;
      color: var(--workbench-chrome-text);
    }

    #floor-label {
      opacity: 0.7;
      font-size: 0.72rem;
    }

    #firstperson-overlay {
      position: absolute;
      bottom: 20px;
      left: 50%;
      transform: translateX(-50%);
      display: none;
      flex-direction: column;
      align-items: center;
      gap: 12px;
      z-index: 100;
    }

    #firstperson-overlay.active {
      display: flex;
    }

    #firstperson-controls-hint {
      background: var(--workbench-chrome-bg);
      color: var(--workbench-chrome-text);
      padding: 10px 20px;
      border-radius: 999px;
      font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
      font-size: 0.8rem;
      border: 1px solid var(--workbench-chrome-border);
      text-align: center;
      box-shadow: 0 12px 28px rgba(0,0,0,0.22);
      backdrop-filter: blur(14px);
    }
    
    /* Hide keyboard hint on mobile */
    @media (max-width: 768px), (pointer: coarse) {
      #firstperson-controls-hint {
        display: none;
      }
    }

    #firstperson-controls-hint strong {
      color: var(--workbench-gold);
    }
    
    /* Mobile joystick for first-person */
    #mobile-joystick {
      position: absolute;
      bottom: 100px;
      left: 40px;
      width: 120px;
      height: 120px;
      background: var(--workbench-chrome-bg);
      border: 1px solid var(--workbench-chrome-border);
      border-radius: 50%;
      display: none;
      z-index: 101;
      box-shadow: 0 16px 36px rgba(0,0,0,0.24);
      backdrop-filter: blur(14px);
    }
    
    /* Only show on mobile-sized touch devices */
    @media (max-width: 1024px) and (pointer: coarse) {
      #mobile-joystick.active {
        display: block;
      }
    }
    
    /* Never show on desktop regardless of touch */
    @media (min-width: 1025px) {
      #mobile-joystick,
      #mobile-joystick.active {
        display: none !important;
      }
    }
    
    #mobile-joystick-knob {
      position: absolute;
      top: 50%;
      left: 50%;
      transform: translate(-50%, -50%);
      width: 50px;
      height: 50px;
      background: var(--workbench-control-active);
      border: 1px solid var(--workbench-accent);
      border-radius: 50%;
      box-shadow: 0 8px 18px rgba(0,0,0,0.24);
    }
    
    /* Mobile exit button - larger touch target */
    #mobile-fp-exit {
      position: absolute;
      top: 20px;
      right: 20px;
      width: 60px;
      height: 60px;
      background: var(--workbench-chrome-bg);
      border: 1px solid var(--workbench-chrome-border);
      border-radius: 50%;
      display: none;
      align-items: center;
      justify-content: center;
      font-size: 1.5rem;
      color: var(--workbench-danger);
      z-index: 101;
      cursor: pointer;
      box-shadow: 0 14px 30px rgba(0,0,0,0.24);
      backdrop-filter: blur(14px);
    }
    
    /* Only show on mobile-sized touch devices */
    @media (max-width: 1024px) and (pointer: coarse) {
      #mobile-fp-exit.active {
        display: flex;
      }
    }
    
    /* Never show on desktop regardless of touch */
    @media (min-width: 1025px) {
      #mobile-fp-exit,
      #mobile-fp-exit.active {
        display: none !important;
      }
    }
    
    /* Make workbench buttons touch-friendly on mobile */
    @media (max-width: 768px), (pointer: coarse) {
      .workbench-btn {
        min-width: 44px;
        min-height: 44px;
        padding: 10px 14px;
        font-size: 1rem;
      }
      
      .workbench-slider-group input[type="range"] {
        height: 30px;
      }
      
      .toolbox-room {
        padding: 10px 12px;
        min-height: 44px;
      }
      
      /* Workbench controls bar */
      #workbench-controls {
        padding: 8px 12px;
        gap: 6px;
        flex-wrap: wrap;
      }
      
      #workbench-controls .workbench-btn {
        padding: 8px 10px;
        font-size: 0.85rem;
      }
      
      /* Hide secondary button labels on very small screens. */
      #workbench-controls .workbench-btn span.btn-text {
        display: none;
      }
      
      /* Viz mode buttons */
      .viz-mode-btn {
        min-width: 44px;
        min-height: 44px;
        padding: 8px;
      }
      
      /* Sliders need more height for touch */
      .workbench-slider-group {
        padding: 8px 0;
      }
      
      .workbench-slider-group label {
        font-size: 0.8rem;
      }
    }
    
    /* Mobile workbench full viewport layout */
    @media (max-width: 768px) {
      #workbench-overlay {
        padding: 0;
      }
      
      #workbench-canvas-container {
        flex-direction: column;
      }
      
      /* Compact header for mobile - prioritize mode buttons */
      #workbench-header {
        position: sticky;
        top: 0;
        z-index: 1000;
        padding: 6px 8px;
        gap: 6px;
        flex-wrap: nowrap;
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
      }
      
      /* Hide title on mobile to save space */
      #workbench-header h2 {
        display: none;
      }
      
      /* Compact controls */
      #workbench-controls {
        gap: 4px;
        flex-wrap: nowrap;
        flex-shrink: 0;
      }
      
      /* Hide sliders on mobile */
      #workbench-sliders {
        display: none;
      }
      
      /* Hide less important buttons on mobile */
      #workbench-controls .workbench-btn:not(.firstperson):not(.planview) {
        display: none;
      }
      
      /* Force viz mode selector to always be visible */
      #viz-mode-selector {
        display: flex !important;
        gap: 4px;
        flex-shrink: 0;
        margin-left: 0;
        padding-left: 0;
        border-left: none;
        order: -1; /* Show mode buttons first */
      }
      
      /* Ensure all viz mode buttons are visible and touch-friendly */
      .viz-mode-btn {
        display: block !important;
        padding: 12px 16px;
        font-size: 1.1rem;
        min-width: auto;
        touch-action: manipulation;
        -webkit-tap-highlight-color: var(--workbench-control-active);
      }
      
      .viz-mode-btn.active {
        transform: scale(1.05);
        font-weight: bold;
      }
      
      /* Compact other buttons */
      .workbench-btn {
        padding: 6px 8px;
        font-size: 0.85rem;
      }
    }
    
    /* Mobile toolbox - slide-up drawer style */
    @media (max-width: 768px) {
      #workbench-toolbox {
        position: absolute;
        bottom: 0;
        left: 0;
        right: 0;
        width: 100% !important;
        min-width: 100% !important;
        height: 45%;
        max-height: 50vh;
        border-right: none;
        border-top: 1px solid var(--workbench-chrome-border);
        z-index: 100;
        transition: transform 0.3s ease, opacity 0.3s ease;
      }
      
      #workbench-toolbox.mobile-minimized {
        transform: translateY(calc(100% - 44px));
      }
      
      #workbench-toolbox.mobile-minimized #toolbox-rooms,
      #workbench-toolbox.mobile-minimized #toolbox-search {
        display: none;
      }
      
      #toolbox-header {
        cursor: pointer;
        display: flex;
        align-items: center;
        justify-content: space-between;
      }
      
      #toolbox-header::after {
        content: '⌄';
        font-size: 0.8rem;
        color: var(--workbench-chrome-muted);
        transition: transform 0.3s ease;
      }
      
      #workbench-toolbox.mobile-minimized #toolbox-header::after {
        transform: rotate(180deg);
      }
      
      /* Also minimize legend on mobile */
      #workbench-legend {
        position: absolute;
        top: auto;
        right: 10px;
        bottom: 58px;
        max-width: 150px;
        font-size: 0.75rem;
        max-height: 40vh;
      }

      .workbench-panel-dock {
        top: 8px;
        left: 8px;
        right: 8px;
        justify-content: center;
        overflow-x: auto;
        max-width: calc(100% - 16px);
      }

      #workbench-legend.collapsed {
        max-height: 28px;
        overflow: hidden;
      }
    }

    #firstperson-crosshair {
      position: absolute;
      top: 50%;
      left: 50%;
      transform: translate(-50%, -50%);
      width: 20px;
      height: 20px;
      display: none;
      pointer-events: none;
      z-index: 99;
    }

    #firstperson-crosshair.active {
      display: block;
    }

    #firstperson-crosshair::before,
    #firstperson-crosshair::after {
      content: '';
      position: absolute;
      background: rgba(255, 255, 255, 0.7);
    }

    #firstperson-crosshair::before {
      width: 2px;
      height: 100%;
      left: 50%;
      transform: translateX(-50%);
    }

    #firstperson-crosshair::after {
      height: 2px;
      width: 100%;
      top: 50%;
      transform: translateY(-50%);
    }

    #workbench-canvas-container {
      flex: 1;
      position: relative;
      overflow: hidden;
      display: flex;
      background: var(--workbench-bg);
    }

    .workbench-panel-dock {
      position: absolute;
      top: var(--wb-panel-edge);
      right: calc(var(--wb-right-panel-space) + var(--wb-panel-edge));
      z-index: 110;
      display: flex;
      gap: 4px;
      padding: 4px;
      border: 1px solid var(--workbench-chrome-border);
      border-radius: 999px;
      background: var(--workbench-chrome-bg);
      box-shadow: 0 14px 34px rgba(0,0,0,0.2);
      backdrop-filter: blur(18px);
      transition: right 0.22s ease, transform 0.22s ease, opacity 0.22s ease;
    }

    .wb-dock-btn {
      min-height: 30px;
      padding: 6px 10px;
      border: 1px solid transparent;
      border-radius: 999px;
      background: transparent;
      color: var(--workbench-chrome-muted);
      cursor: pointer;
      font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
      font-size: 0.72rem;
      font-weight: 650;
      line-height: 1;
      transition: background 0.16s, color 0.16s, border-color 0.16s;
    }

    .wb-dock-btn:hover {
      background: var(--workbench-control-hover);
      color: var(--workbench-chrome-text);
    }

    .wb-dock-btn.active {
      background: var(--workbench-chrome-surface-strong);
      border-color: var(--workbench-chrome-border);
      color: var(--workbench-chrome-text);
      box-shadow: 0 2px 10px rgba(0,0,0,0.14);
    }

    .wb-dock-btn.has-alert {
      border-color: var(--workbench-accent);
    }

    .wb-dock-btn.wb-dock-action {
      border-color: rgba(99, 162, 255, 0.55);
    }
    .wb-dock-btn.wb-dock-action:hover {
      background: rgba(99, 162, 255, 0.18);
      color: #fff;
    }

    /* ───────────────────────────────────────────────────────────
       Ergonomic Mode — design system
       Single accent color, restrained palette, clear hierarchy.
       Rams principles: as little design as possible, honest, durable.
       ─────────────────────────────────────────────────────────── */
    :root {
      --ergo-bg: rgba(14, 19, 26, 0.96);
      --ergo-bg-elev: rgba(28, 36, 48, 0.65);
      --ergo-border: rgba(255, 255, 255, 0.08);
      --ergo-border-strong: rgba(255, 255, 255, 0.16);
      --ergo-text: #eef2f8;
      --ergo-text-muted: rgba(238, 242, 248, 0.55);
      --ergo-text-subtle: rgba(238, 242, 248, 0.4);
      --ergo-accent: #5b9dff;
      --ergo-accent-soft: rgba(91, 157, 255, 0.14);
      --ergo-success: #4ade80;
      --ergo-warning: #ff9533;
      --ergo-error: #ff5468;
      --ergo-radius: 10px;
      --ergo-radius-sm: 6px;
      --ergo-shadow: 0 12px 40px rgba(0, 0, 0, 0.45);
      --ergo-font: -apple-system, BlinkMacSystemFont, 'Inter', 'Segoe UI', sans-serif;
    }

    /* Selection banner — minimal centered pill, used during cube pick */
    .ergo-banner {
      position: absolute;
      top: 16px;
      left: 50%;
      transform: translateX(-50%);
      z-index: 60;
      display: flex;
      align-items: center;
      gap: 14px;
      padding: 10px 16px;
      background: var(--ergo-bg);
      color: var(--ergo-text);
      border: 1px solid var(--ergo-border-strong);
      border-radius: 999px;
      font: 500 12px var(--ergo-font);
      letter-spacing: 0.01em;
      box-shadow: var(--ergo-shadow);
      backdrop-filter: blur(12px);
      -webkit-backdrop-filter: blur(12px);
    }
    .ergo-banner-msg { font-weight: 500; }
    .ergo-banner-count { color: var(--ergo-text-muted); font-variant-numeric: tabular-nums; }
    .ergo-banner-count b { color: var(--ergo-text); font-weight: 600; }
    .ergo-banner-btn {
      padding: 6px 14px;
      border-radius: 999px;
      border: 1px solid var(--ergo-border-strong);
      background: transparent;
      color: var(--ergo-text);
      font: 500 12px var(--ergo-font);
      cursor: pointer;
      transition: background 0.18s, border-color 0.18s;
    }
    .ergo-banner-btn:hover:not(:disabled) { background: rgba(255, 255, 255, 0.08); }
    .ergo-banner-btn:disabled { opacity: 0.4; cursor: not-allowed; }
    .ergo-banner-btn.ergo-banner-primary {
      background: var(--ergo-accent);
      border-color: var(--ergo-accent);
      color: #fff;
    }
    .ergo-banner-btn.ergo-banner-primary:hover:not(:disabled) {
      background: #6cb4ff;
      border-color: #6cb4ff;
    }

    /* ─── Unified shell sidebar ─── */
    .ergo-shell {
      position: absolute;
      top: 16px;
      left: 16px;
      bottom: 16px;
      width: 320px;
      z-index: 60;
      display: flex;
      flex-direction: column;
      background: var(--ergo-bg);
      color: var(--ergo-text);
      border: 1px solid var(--ergo-border);
      border-radius: var(--ergo-radius);
      box-shadow: var(--ergo-shadow);
      backdrop-filter: blur(14px);
      -webkit-backdrop-filter: blur(14px);
      font: 13px/1.5 var(--ergo-font);
      transition: transform 0.25s cubic-bezier(0.32, 0.72, 0, 1);
      overflow: hidden;
    }
    .ergo-shell.collapsed {
      transform: translateX(calc(-100% - 16px));
    }
    .ergo-shell-header {
      display: flex;
      align-items: center;
      justify-content: space-between;
      padding: 18px 20px 14px;
      border-bottom: 1px solid var(--ergo-border);
    }
    .ergo-shell-brand {
      display: flex;
      align-items: center;
      gap: 12px;
    }
    .ergo-shell-mark {
      display: inline-block;
      width: 8px; height: 8px;
      border-radius: 50%;
      background: var(--ergo-accent);
      box-shadow: 0 0 0 3px rgba(91, 157, 255, 0.18);
    }
    .ergo-shell-title {
      font-size: 14px;
      font-weight: 600;
      letter-spacing: -0.01em;
      line-height: 1.2;
    }
    .ergo-shell-sub {
      font-size: 11px;
      color: var(--ergo-text-muted);
      margin-top: 2px;
      font-variant-numeric: tabular-nums;
    }

    .ergo-icon-btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      width: 28px; height: 28px;
      padding: 0;
      background: transparent;
      border: 1px solid transparent;
      border-radius: var(--ergo-radius-sm);
      color: var(--ergo-text-muted);
      font-size: 18px;
      line-height: 1;
      cursor: pointer;
      transition: background 0.15s, color 0.15s, border-color 0.15s;
    }
    .ergo-icon-btn:hover {
      background: rgba(255, 255, 255, 0.06);
      color: var(--ergo-text);
      border-color: var(--ergo-border);
    }

    .ergo-shell-tabs {
      display: flex;
      padding: 0 12px;
      border-bottom: 1px solid var(--ergo-border);
      gap: 0;
    }
    .ergo-shell-tab {
      flex: 1;
      padding: 12px 8px;
      background: transparent;
      border: none;
      color: var(--ergo-text-muted);
      font: 500 12px var(--ergo-font);
      letter-spacing: 0.01em;
      cursor: pointer;
      border-bottom: 2px solid transparent;
      transition: color 0.15s, border-color 0.15s;
    }
    .ergo-shell-tab:hover { color: var(--ergo-text); }
    .ergo-shell-tab.active {
      color: var(--ergo-text);
      border-bottom-color: var(--ergo-accent);
    }

    .ergo-shell-body {
      flex: 1;
      overflow-y: auto;
      padding: 18px 20px;
    }
    .ergo-shell-section { display: flex; flex-direction: column; gap: 12px; }
    .ergo-shell-section[hidden] { display: none; }

    .ergo-shell-footer {
      padding: 12px 20px 14px;
      border-top: 1px solid var(--ergo-border);
      display: flex;
      flex-direction: column;
      gap: 6px;
    }
    .ergo-status {
      font-size: 12px;
      color: var(--ergo-text-muted);
    }
    .ergo-result {
      font: 11px/1.4 ui-monospace, 'SF Mono', Menlo, monospace;
      color: var(--ergo-text-muted);
      letter-spacing: 0.01em;
    }
    .ergo-result.ergo-pass { color: var(--ergo-success); }
    .ergo-result.ergo-fail { color: var(--ergo-error); }

    /* Floating action bar (top-right) */
    .ergo-floatbar {
      position: absolute;
      top: 16px;
      right: 16px;
      z-index: 60;
      display: flex;
      gap: 4px;
      padding: 4px;
      background: var(--ergo-bg);
      border: 1px solid var(--ergo-border);
      border-radius: var(--ergo-radius-sm);
      box-shadow: var(--ergo-shadow);
      backdrop-filter: blur(12px);
      -webkit-backdrop-filter: blur(12px);
    }

    /* ─── Common primitives in the shell ─── */
    .ergo-row {
      display: flex;
      align-items: center;
      gap: 8px;
    }
    .ergo-row-between { justify-content: space-between; }
    .ergo-eyebrow {
      font-size: 10px;
      font-weight: 600;
      letter-spacing: 0.08em;
      text-transform: uppercase;
      color: var(--ergo-text-muted);
    }
    .ergo-muted { color: var(--ergo-text-subtle); font-weight: 400; text-transform: none; letter-spacing: 0; }
    .ergo-divider {
      height: 1px;
      background: var(--ergo-border);
      margin: 4px 0;
    }
    .ergo-hint {
      font-size: 11px;
      color: var(--ergo-text-subtle);
      line-height: 1.5;
      padding-top: 4px;
    }

    .ergo-btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 6px;
      padding: 7px 14px;
      background: transparent;
      border: 1px solid var(--ergo-border-strong);
      border-radius: var(--ergo-radius-sm);
      color: var(--ergo-text);
      font: 500 12px var(--ergo-font);
      letter-spacing: 0.01em;
      cursor: pointer;
      transition: background 0.15s, border-color 0.15s, color 0.15s;
      white-space: nowrap;
    }
    .ergo-btn:hover:not(:disabled) {
      background: rgba(255, 255, 255, 0.06);
      border-color: rgba(255, 255, 255, 0.24);
    }
    .ergo-btn:disabled { opacity: 0.4; cursor: not-allowed; }
    .ergo-btn-primary {
      background: var(--ergo-accent);
      border-color: var(--ergo-accent);
      color: #fff;
    }
    .ergo-btn-primary:hover:not(:disabled) {
      background: #6cb4ff;
      border-color: #6cb4ff;
    }
    .ergo-btn-ghost {
      border-color: transparent;
      color: var(--ergo-text-muted);
    }
    .ergo-btn-ghost:hover:not(:disabled) {
      color: var(--ergo-text);
      background: rgba(255, 255, 255, 0.06);
    }
    .ergo-btn-block { width: 100%; }

    .ergo-field {
      flex: 1;
      display: flex;
      flex-direction: column;
      gap: 4px;
    }
    .ergo-field span {
      font-size: 10px;
      font-weight: 600;
      letter-spacing: 0.06em;
      text-transform: uppercase;
      color: var(--ergo-text-muted);
    }
    .ergo-field select,
    .ergo-select-block {
      padding: 8px 10px;
      background: var(--ergo-bg-elev);
      color: var(--ergo-text);
      border: 1px solid var(--ergo-border-strong);
      border-radius: var(--ergo-radius-sm);
      font: 13px var(--ergo-font);
      cursor: pointer;
      width: 100%;
      transition: border-color 0.15s;
    }
    .ergo-field select:hover,
    .ergo-select-block:hover {
      border-color: rgba(255, 255, 255, 0.32);
    }
    .ergo-field select:focus,
    .ergo-select-block:focus {
      outline: none;
      border-color: var(--ergo-accent);
    }

    /* Custom toggle: replaces native checkbox with a clean pill */
    .ergo-toggle {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 12px;
      padding: 6px 0;
      cursor: pointer;
      font-size: 13px;
      color: var(--ergo-text);
    }
    .ergo-toggle input { display: none; }
    .ergo-toggle span {
      flex: 1;
    }
    .ergo-toggle::after {
      content: '';
      width: 28px; height: 16px;
      background: rgba(255, 255, 255, 0.12);
      border-radius: 999px;
      position: relative;
      transition: background 0.18s;
      flex-shrink: 0;
    }
    .ergo-toggle::before {
      content: '';
      width: 12px; height: 12px;
      background: #fff;
      border-radius: 50%;
      position: absolute;
      right: 14px;
      transform: translateY(0);
      transition: right 0.18s;
      z-index: 1;
    }
    .ergo-toggle { position: relative; }
    .ergo-toggle:has(input:checked)::after { background: var(--ergo-accent); }
    .ergo-toggle:has(input:checked)::before { right: 2px; }

    /* Pegmen list */
    .ergo-pegmen-list {
      display: flex;
      flex-direction: column;
      gap: 4px;
      margin-top: 4px;
    }
    .ergo-pegmen-row {
      display: flex;
      align-items: center;
      gap: 10px;
      padding: 8px 10px;
      border-radius: var(--ergo-radius-sm);
      cursor: pointer;
      transition: background 0.15s;
      border: 1px solid transparent;
    }
    .ergo-pegmen-row:hover { background: rgba(255, 255, 255, 0.04); }
    .ergo-pegmen-row.active {
      background: var(--ergo-accent-soft);
      border-color: rgba(91, 157, 255, 0.4);
    }
    .ergo-pegmen-row.conflict {
      border-color: rgba(255, 84, 104, 0.55);
    }
    .ergo-pegmen-swatch {
      width: 12px; height: 12px;
      border-radius: 50%;
      border: 1px solid rgba(0, 0, 0, 0.4);
      flex-shrink: 0;
    }
    .ergo-pegmen-name {
      flex: 1;
      font-size: 13px;
      overflow: hidden;
      text-overflow: ellipsis;
      white-space: nowrap;
    }
    .ergo-pegmen-meta {
      font-size: 11px;
      color: var(--ergo-text-muted);
      font-variant-numeric: tabular-nums;
    }
    .ergo-pegmen-rm {
      width: 22px; height: 22px;
      padding: 0;
      background: transparent;
      border: 1px solid transparent;
      color: var(--ergo-text-muted);
      border-radius: 4px;
      font-size: 14px;
      cursor: pointer;
      line-height: 1;
      transition: color 0.15s, background 0.15s;
    }
    .ergo-pegmen-rm:hover {
      background: rgba(255, 84, 104, 0.16);
      color: var(--ergo-error);
    }

    /* Workflow lists */
    .ergo-wf-list {
      display: flex;
      flex-direction: column;
      gap: 2px;
      max-height: 200px;
      overflow-y: auto;
      border: 1px solid var(--ergo-border);
      border-radius: var(--ergo-radius-sm);
      padding: 4px;
    }
    .ergo-wf-list:empty::after {
      content: 'None';
      display: block;
      padding: 12px;
      text-align: center;
      color: var(--ergo-text-subtle);
      font-size: 12px;
      font-style: italic;
    }
    .ergo-wf-tasks { background: rgba(91, 157, 255, 0.04); }
    .ergo-wf-item, .ergo-wf-task {
      display: flex;
      align-items: center;
      gap: 8px;
      padding: 6px 8px;
      border-radius: 4px;
      font-size: 12px;
      transition: background 0.15s;
    }
    .ergo-wf-item:hover, .ergo-wf-task:hover {
      background: rgba(255, 255, 255, 0.04);
    }
    .ergo-wf-item-name, .ergo-wf-task-name { flex: 1; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
    .ergo-wf-item-room { color: var(--ergo-text-subtle); font-size: 10px; max-width: 80px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
    .ergo-wf-add, .ergo-wf-up, .ergo-wf-dn, .ergo-wf-rm {
      width: 22px; height: 22px;
      padding: 0;
      background: transparent;
      border: 1px solid transparent;
      color: var(--ergo-text-muted);
      border-radius: 4px;
      font-size: 11px;
      cursor: pointer;
      line-height: 1;
      transition: background 0.15s, color 0.15s;
    }
    .ergo-wf-add:hover { background: var(--ergo-accent-soft); color: var(--ergo-accent); border-color: rgba(91, 157, 255, 0.3); }
    .ergo-wf-up:hover, .ergo-wf-dn:hover { background: rgba(255, 255, 255, 0.06); color: var(--ergo-text); }
    .ergo-wf-rm:hover { background: rgba(255, 84, 104, 0.16); color: var(--ergo-error); }
    .ergo-wf-task-num { color: var(--ergo-text-subtle); min-width: 18px; font-variant-numeric: tabular-nums; }
    .ergo-wf-task-type {
      padding: 2px 6px;
      background: rgba(255, 255, 255, 0.06);
      color: var(--ergo-text-muted);
      border: 1px solid var(--ergo-border);
      border-radius: 3px;
      font-size: 10px;
    }

    /* Compliance */
    .ergo-compliance-summary {
      padding: 10px 12px;
      font-size: 12px;
      border-radius: var(--ergo-radius-sm);
      background: rgba(255, 255, 255, 0.04);
      color: var(--ergo-text-muted);
      font-variant-numeric: tabular-nums;
    }
    .ergo-compliance-summary.all-pass {
      background: rgba(74, 222, 128, 0.10);
      color: #c5e7d2;
    }
    .ergo-compliance-summary.has-fail {
      background: rgba(255, 84, 104, 0.10);
      color: #f5c2c8;
    }
    .ergo-compliance-list {
      display: flex;
      flex-direction: column;
      gap: 2px;
    }
    .ergo-compliance-empty {
      padding: 24px 8px;
      text-align: center;
      color: var(--ergo-text-subtle);
      font-size: 12px;
      font-style: italic;
      line-height: 1.5;
    }
    .ergo-compliance-row {
      display: flex;
      align-items: flex-start;
      gap: 10px;
      padding: 10px;
      border-radius: var(--ergo-radius-sm);
      cursor: pointer;
      transition: background 0.15s;
    }
    .ergo-compliance-row:hover { background: rgba(255, 255, 255, 0.04); }
    .ergo-compliance-row.fail-major { background: rgba(255, 84, 104, 0.08); }
    .ergo-compliance-row.fail-minor { background: rgba(255, 149, 51, 0.08); }
    .ergo-compliance-icon {
      width: 18px;
      flex-shrink: 0;
      text-align: center;
      font-weight: 700;
      font-size: 13px;
      line-height: 18px;
    }
    .ergo-compliance-row.pass .ergo-compliance-icon { color: var(--ergo-success); }
    .ergo-compliance-row.fail-major .ergo-compliance-icon { color: var(--ergo-error); }
    .ergo-compliance-row.fail-minor .ergo-compliance-icon { color: var(--ergo-warning); }
    .ergo-compliance-info { flex: 1; min-width: 0; }
    .ergo-compliance-label { font-weight: 500; font-size: 12px; line-height: 1.3; }
    .ergo-compliance-msg { font-size: 11px; color: var(--ergo-text-muted); margin-top: 2px; line-height: 1.4; }
    .ergo-compliance-code { font-size: 10px; color: var(--ergo-text-subtle); margin-top: 2px; font-variant-numeric: tabular-nums; }

    /* Per-instance dimension override panel */
    .ergo-override-panel {
      position: fixed;
      z-index: 80;
      width: 220px;
      padding: 14px 16px;
      background: var(--ergo-bg);
      color: var(--ergo-text);
      border: 1px solid var(--ergo-border-strong);
      border-radius: var(--ergo-radius);
      font: 12px var(--ergo-font);
      box-shadow: var(--ergo-shadow);
      backdrop-filter: blur(14px);
      -webkit-backdrop-filter: blur(14px);
    }
    .ergo-override-header {
      font-weight: 600;
      font-size: 13px;
      margin-bottom: 4px;
    }
    .ergo-override-source {
      font-size: 10px;
      color: var(--ergo-text-subtle);
      margin-bottom: 12px;
      letter-spacing: 0.04em;
      text-transform: uppercase;
    }
    .ergo-override-source em { font-style: normal; color: var(--ergo-text-muted); }
    .ergo-override-row { margin-bottom: 8px; }
    .ergo-override-row label {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 12px;
      font-size: 12px;
      color: var(--ergo-text-muted);
    }
    .ergo-override-row input {
      width: 80px;
      padding: 5px 8px;
      background: var(--ergo-bg-elev);
      color: var(--ergo-text);
      border: 1px solid var(--ergo-border-strong);
      border-radius: 4px;
      font: 12px var(--ergo-font);
      text-align: right;
      font-variant-numeric: tabular-nums;
    }
    .ergo-override-row input:focus {
      outline: none;
      border-color: var(--ergo-accent);
    }
    .ergo-override-actions {
      display: flex;
      gap: 6px;
      padding-top: 10px;
      border-top: 1px solid var(--ergo-border);
      margin-top: 10px;
    }

    /* Workbench dock — restyle "Ergo" button to match the system */
    .wb-dock-btn.wb-dock-action {
      border-color: rgba(91, 157, 255, 0.4);
      color: rgba(255, 255, 255, 0.85);
    }
    .wb-dock-btn.wb-dock-action:hover {
      background: var(--ergo-accent-soft);
      color: #fff;
    }

    @media (max-width: 768px) {
      .workbench-panel-dock {
        top: 8px;
        left: 8px;
        right: 8px;
        justify-content: center;
        overflow-x: auto;
        max-width: calc(100% - 16px);
      }
    }

    #workbench-toolbox {
      width: 292px;
      min-width: 292px;
      flex-shrink: 0;
      background: var(--workbench-chrome-surface);
      border-right: 1px solid var(--workbench-chrome-border);
      display: flex;
      flex-direction: column;
      overflow: hidden;
      transition: width 0.3s ease, min-width 0.3s ease, opacity 0.3s ease;
      pointer-events: auto;
      opacity: 1;
      color: var(--workbench-chrome-text);
      backdrop-filter: blur(18px);
    }

    #workbench-toolbox.collapsed {
      width: 0;
      min-width: 0;
      opacity: 0;
      border-right: none;
      pointer-events: none;
    }
    
    #toolbox-header {
      padding: 14px 14px 12px;
      background: transparent;
      border-bottom: 1px solid var(--workbench-chrome-border);
    }

    #toolbox-header h3 {
      margin: 0;
      color: var(--workbench-chrome-text);
      font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
      font-size: 0.84rem;
      font-weight: 650;
      letter-spacing: 0;
    }

    .toolbox-hint {
      color: var(--workbench-chrome-muted);
      font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
      font-size: 0.72rem;
      line-height: 1.35;
      margin-top: 5px;
    }

    #toolbox-search {
      width: 100%;
      padding: 8px 11px;
      margin-top: 12px;
      background: var(--workbench-control-bg);
      border: 1px solid var(--workbench-chrome-border);
      border-radius: 999px;
      color: var(--workbench-chrome-text);
      font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
      font-size: 0.82rem;
      outline: none;
    }

    #toolbox-search:focus {
      border-color: var(--workbench-accent);
      background: var(--workbench-chrome-surface-strong);
    }

    #toolbox-search::placeholder {
      color: var(--workbench-chrome-muted);
    }
    
    #toolbox-rooms {
      flex: 1;
      overflow-y: auto;
      padding: 10px 10px 8px;
    }

    .toolbox-department {
      margin-bottom: 8px;
    }

    .toolbox-dept-header {
      display: flex;
      align-items: center;
      gap: 8px;
      padding: 8px 9px;
      background: transparent;
      border: 1px solid transparent;
      border-radius: 7px;
      cursor: pointer;
      transition: background 0.16s, border-color 0.16s;
    }

    .toolbox-dept-header:hover {
      background: var(--workbench-control-hover);
      border-color: var(--workbench-chrome-border);
    }
    
    .toolbox-dept-color {
      width: 16px;
      height: 16px;
      border-radius: 50%;
      border: 1px solid var(--workbench-chrome-border);
    }

    .toolbox-dept-name {
      flex: 1;
      color: var(--workbench-chrome-text);
      font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
      font-size: 0.8rem;
      font-weight: 650;
      min-width: 0;
      overflow: hidden;
      text-overflow: ellipsis;
      white-space: nowrap;
    }

    .toolbox-dept-count {
      color: var(--workbench-chrome-muted);
      font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
      font-size: 0.7rem;
      padding: 2px 7px;
      background: var(--workbench-control-bg);
      border: 1px solid var(--workbench-chrome-border);
      border-radius: 999px;
    }

    .toolbox-dept-toggle {
      color: var(--workbench-chrome-muted);
      font-size: 0.72rem;
    }
    
    .toolbox-room-list {
      padding-left: 8px;
      margin-top: 4px;
      display: none;
    }
    
    .toolbox-room-list.expanded {
      display: block;
    }
    
    .toolbox-fa-group {
      margin-bottom: 8px;
    }
    
    .toolbox-fa-header {
      font-size: 0.68rem;
      color: var(--workbench-chrome-muted);
      padding: 8px 8px 4px;
      background: transparent;
      border-left: none;
      margin: 2px 0;
      letter-spacing: 0;
    }

    .toolbox-room {
      display: flex;
      align-items: center;
      gap: 8px;
      padding: 7px 8px;
      margin: 2px 0;
      background: transparent;
      border: 1px solid transparent;
      border-radius: 7px;
      cursor: pointer;
      transition: background 0.16s, border-color 0.16s, opacity 0.16s;
    }

    .toolbox-room:hover {
      background: var(--workbench-control-hover);
      border-color: var(--workbench-chrome-border);
    }

    .toolbox-room.selected {
      background: var(--workbench-control-active);
      border-color: var(--workbench-accent);
      box-shadow: inset 0 0 0 1px rgba(255,255,255,0.05);
    }
    
    .toolbox-room.placed {
      opacity: 0.4;
      cursor: default;
    }
    
    .toolbox-room-preview {
      width: 24px;
      height: 24px;
      border-radius: 6px;
      border: 1px solid var(--workbench-chrome-border);
      flex-shrink: 0;
    }
    
    .toolbox-room-info {
      flex: 1;
      min-width: 0;
    }
    
    .toolbox-room-name {
      color: var(--workbench-chrome-text);
      font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
      font-size: 0.75rem;
      font-weight: 550;
      white-space: nowrap;
      overflow: hidden;
      text-overflow: ellipsis;
    }

    .toolbox-room-nsf {
      color: var(--workbench-chrome-muted);
      font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
      font-size: 0.67rem;
    }

    .toolbox-room-check {
      color: var(--success);
      font-size: 0.8rem;
    }

    #toolbox-stats {
      padding: 10px 14px;
      background: transparent;
      border-top: 1px solid var(--workbench-chrome-border);
      font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
      font-size: 0.72rem;
      color: var(--workbench-chrome-muted);
    }

    #toolbox-stats span {
      color: var(--workbench-chrome-text);
      font-weight: 650;
    }

    #workbench-canvas {
      flex: 1;
      display: block;
      height: 100%;
      image-rendering: pixelated;
    }

    #workbench-legend {
      position: absolute;
      bottom: 20px;
      right: calc(var(--wb-right-panel-space) + 20px);
      background: var(--workbench-chrome-surface);
      border: 1px solid var(--workbench-chrome-border);
      border-radius: 8px;
      padding: 10px 11px;
      font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
      color: var(--workbench-chrome-text);
      font-size: 0.72rem;
      max-width: 220px;
      max-height: 280px;
      overflow-y: auto;
      box-shadow: 0 14px 34px rgba(0,0,0,0.22);
      backdrop-filter: blur(18px);
      transform: translateY(0);
      opacity: 1;
      pointer-events: auto;
      transition: right 0.22s ease, opacity 0.18s ease, transform 0.18s ease, max-height 0.18s ease;
    }

    #workbench-legend.wb-panel-hidden {
      opacity: 0;
      transform: translateY(10px);
      pointer-events: none;
    }

    #workbench-legend.collapsed {
      max-height: 32px;
      overflow: hidden;
    }

    #workbench-legend h4 {
      margin: 0 0 8px 0;
      color: var(--workbench-chrome-text);
      font-size: 0.72rem;
      font-weight: 650;
      cursor: pointer;
      user-select: none;
      letter-spacing: 0;
    }

    #workbench-legend h4:hover {
      color: var(--workbench-accent);
    }

    .legend-section {
      margin-bottom: 10px;
    }

    .legend-section:last-child {
      margin-bottom: 0;
    }
    
    .legend-section strong {
      font-size: 0.68rem;
      display: block;
      margin-bottom: 4px;
      color: var(--workbench-chrome-muted);
      font-weight: 650;
    }

    .legend-item {
      display: flex;
      align-items: center;
      gap: 6px;
      margin: 4px 0;
      font-size: 0.68rem;
      color: var(--workbench-chrome-text);
    }

    .legend-color-box {
      width: 16px;
      height: 16px;
      border: 1px solid var(--workbench-chrome-border);
      border-radius: 5px;
      flex-shrink: 0;
    }

    .legend-pattern-box {
      width: 16px;
      height: 16px;
      border: 1px solid var(--workbench-chrome-border);
      border-radius: 5px;
      flex-shrink: 0;
      position: relative;
    }

    .pattern-dots {
      background-image: radial-gradient(circle, #000 2px, transparent 2px);
      background-size: 8px 8px;
    }

    .pattern-diagonal {
      background: repeating-linear-gradient(45deg, transparent, transparent 4px, #000 4px, #000 5px);
    }

    .pattern-crosshatch {
      background: 
        repeating-linear-gradient(45deg, transparent, transparent 4px, rgba(0,0,0,0.5) 4px, rgba(0,0,0,0.5) 5px),
        repeating-linear-gradient(-45deg, transparent, transparent 4px, rgba(0,0,0,0.5) 4px, rgba(0,0,0,0.5) 5px);
    }

    .pattern-horizontal {
      background: repeating-linear-gradient(0deg, transparent, transparent 4px, #000 4px, #000 5px);
    }

    .pattern-vertical {
      background: repeating-linear-gradient(90deg, transparent, transparent 4px, #000 4px, #000 5px);
    }
    
    /* Context Menu */
    .context-menu {
      font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
      font-size: 0.9rem;
    }
    
    .context-menu-item {
      padding: 10px 16px;
      cursor: pointer;
      transition: background 0.2s;
      display: flex;
      align-items: center;
      color: var(--text);
    }
    
    .context-menu-item:hover {
      background: var(--bg-secondary);
    }
    
    .context-menu-item:active {
      background: var(--accent);
      color: white;
    }
    
    .context-menu-separator {
      height: 1px;
      background: var(--border);
      margin: 4px 0;
    }

    /* ── Chip navigation context menu ── */
    .chip-nav-menu {
      position: absolute;
      z-index: 100000;
      background: var(--bg);
      border: 1px solid var(--border);
      border-radius: 8px;
      box-shadow: 0 6px 20px rgba(0,0,0,0.35);
      min-width: 130px;
      padding: 4px 0;
      font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
      font-size: 0.85rem;
      animation: chipMenuFadeIn 0.12s ease-out;
    }
    @keyframes chipMenuFadeIn {
      from { opacity: 0; transform: translateY(-4px); }
      to   { opacity: 1; transform: translateY(0); }
    }
    .chip-nav-item {
      padding: 8px 14px;
      cursor: pointer;
      color: var(--text);
      display: flex;
      align-items: center;
      gap: 6px;
      transition: background 0.15s;
      white-space: nowrap;
    }
    .chip-nav-item:first-child { border-radius: 7px 7px 0 0; }
    .chip-nav-item:last-child  { border-radius: 0 0 7px 7px; }
    .chip-nav-item:only-child  { border-radius: 7px; }
    .chip-nav-item:hover {
      background: var(--bg-secondary);
    }
    .chip-nav-item:active {
      background: var(--accent);
      color: white;
    }
    
    /* Room list plus button */
    .room-list-add-btn {
      display: flex;
      align-items: center;
      justify-content: center;
      padding: 12px;
      margin-top: 8px;
      border: 2px dashed var(--border);
      border-radius: 6px;
      background: transparent;
      color: var(--accent);
      cursor: pointer;
      transition: all 0.2s;
      font-size: 0.9rem;
      font-weight: 600;
    }
    
    .room-list-add-btn:hover {
      background: var(--bg-secondary);
      border-color: var(--accent);
      transform: translateY(-1px);
    }
    
    .room-list-add-btn:active {
      transform: translateY(0);
    }

    /* Round checkbox styles for equipment and attribute selection */
    .eq-select-cb,
    .attr-select-cb {
      appearance: none;
      -webkit-appearance: none;
      -moz-appearance: none;
      width: 18px;
      height: 18px;
      border: 2px solid var(--border);
      border-radius: 50%;
      background: var(--input-bg);
      cursor: pointer;
      position: relative;
      transition: all 0.2s;
      flex-shrink: 0;
    }

    .eq-select-cb:hover,
    .attr-select-cb:hover {
      border-color: var(--accent);
    }

    .eq-select-cb:checked,
    .attr-select-cb:checked {
      background: var(--accent);
      border-color: var(--accent);
    }

    .eq-select-cb:checked::after,
    .attr-select-cb:checked::after {
      content: '';
      position: absolute;
      width: 8px;
      height: 8px;
      background: white;
      border-radius: 50%;
      top: 50%;
      left: 50%;
      transform: translate(-50%, -50%);
    }

    /* Hide checkboxes by default - only show in selection mode */
    .eq-select-cb,
    .attr-select-cb {
      display: none;
    }

    body.equipment-selection-mode .eq-select-cb,
    body.attribute-selection-mode .attr-select-cb {
      display: inline-block;
    }

    /* ========================================
       CONTEXTUAL HELP PANEL
       ======================================== */
    .help-panel {
      position: fixed;
      bottom: 20px;
      right: 20px;
      width: 380px;
      max-height: 520px;
      background: var(--bg-card);
      border: 1px solid var(--border);
      border-radius: 16px;
      box-shadow: 0 8px 32px var(--card-shadow);
      z-index: 10000;
      display: flex;
      flex-direction: column;
      overflow: hidden;
      animation: helpPanelSlideIn 0.25s ease-out;
      font-size: 0.9rem;
    }

    @keyframes helpPanelSlideIn {
      from { opacity: 0; transform: translateY(20px) scale(0.95); }
      to { opacity: 1; transform: translateY(0) scale(1); }
    }

    .help-panel-header {
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding: 12px 16px;
      background: linear-gradient(135deg, #fdcb6e 0%, #e17055 100%);
      color: #2d3436;
      flex-shrink: 0;
    }

    .help-panel-header h3 {
      font-weight: 700;
      color: #2d3436;
    }

    .help-nav-btn {
      background: rgba(0, 0, 0, 0.15);
      border: none;
      border-radius: 6px;
      width: 28px;
      height: 28px;
      cursor: pointer;
      font-size: 0.85rem;
      display: flex;
      align-items: center;
      justify-content: center;
      color: #2d3436;
      transition: background 0.15s;
    }

    .help-nav-btn:hover {
      background: rgba(0, 0, 0, 0.25);
    }

    .help-panel-search {
      padding: 8px 12px;
      border-bottom: 1px solid var(--border, #444);
      flex-shrink: 0;
    }

    .help-panel-search input {
      width: 100%;
      padding: 8px 12px;
      border-radius: 8px;
      border: 1px solid var(--border, #444);
      background: var(--input-bg, #1e1e1e);
      color: var(--text, #eee);
      font-size: 0.85rem;
      outline: none;
    }

    .help-panel-search input:focus {
      border-color: #fdcb6e;
    }

    .help-panel-body {
      overflow-y: auto;
      padding: 12px;
      flex: 1;
      min-height: 0;
    }

    .help-context-badge {
      display: inline-flex;
      align-items: center;
      gap: 4px;
      padding: 4px 10px;
      background: rgba(253, 203, 110, 0.15);
      border: 1px solid rgba(253, 203, 110, 0.3);
      border-radius: 20px;
      font-size: 0.75rem;
      color: #fdcb6e;
      margin-bottom: 12px;
    }

    .help-topic-card {
      padding: 10px 12px;
      background: rgba(255, 255, 255, 0.04);
      border: 1px solid var(--border, #444);
      border-radius: 10px;
      margin-bottom: 8px;
      cursor: pointer;
      transition: all 0.15s;
    }

    .help-topic-card:hover {
      background: rgba(253, 203, 110, 0.08);
      border-color: rgba(253, 203, 110, 0.3);
    }

    .help-topic-card .topic-title {
      display: flex;
      align-items: center;
      gap: 8px;
      font-weight: 600;
      font-size: 0.85rem;
      color: var(--text, #eee);
    }

    .help-topic-card .topic-preview {
      margin-top: 4px;
      font-size: 0.78rem;
      color: var(--muted, #999);
      line-height: 1.4;
    }

    .help-detail-content {
      line-height: 1.6;
      font-size: 0.84rem;
      color: var(--text, #ddd);
    }

    .help-detail-content h4 {
      margin: 14px 0 6px;
      font-size: 0.9rem;
      color: #fdcb6e;
    }

    .help-detail-content p {
      margin: 6px 0;
    }

    .help-detail-content ul, .help-detail-content ol {
      padding-left: 20px;
      margin: 6px 0;
    }

    .help-detail-content li {
      margin: 4px 0;
    }

    .help-detail-content code {
      background: rgba(255, 255, 255, 0.08);
      padding: 2px 6px;
      border-radius: 4px;
      font-size: 0.8rem;
      color: #fdcb6e;
    }

    .help-detail-content .help-step {
      display: flex;
      gap: 10px;
      padding: 8px 0;
      border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    }

    .help-detail-content .step-num {
      width: 24px;
      height: 24px;
      border-radius: 50%;
      background: linear-gradient(135deg, #fdcb6e, #e17055);
      color: #2d3436;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 700;
      font-size: 0.75rem;
      flex-shrink: 0;
    }

    .help-back-btn {
      display: inline-flex;
      align-items: center;
      gap: 4px;
      padding: 4px 10px;
      background: rgba(255, 255, 255, 0.06);
      border: 1px solid var(--border, #444);
      border-radius: 6px;
      color: var(--muted, #999);
      font-size: 0.78rem;
      cursor: pointer;
      margin-bottom: 10px;
      transition: all 0.15s;
    }

    .help-back-btn:hover {
      background: rgba(255, 255, 255, 0.1);
      color: var(--text, #eee);
    }

    .help-tip-box {
      padding: 10px 12px;
      background: rgba(253, 203, 110, 0.1);
      border-left: 3px solid #fdcb6e;
      border-radius: 0 8px 8px 0;
      margin: 8px 0;
      font-size: 0.82rem;
    }

    .help-tip-box strong {
      color: #fdcb6e;
    }

    /* Hide undo FAB on desktop - desktop users have Ctrl+Z */
    @media (min-width: 769px) {
      #undo-fab {
        display: none !important;
      }
    }

    /* Tablet positioning - keep on right side but adjust spacing */
    @media (min-width: 481px) and (max-width: 768px) {
      #undo-fab {
        bottom: 20px !important;
        right: 20px !important;
      }
    }

    @media (max-width: 480px) {
      .help-panel {
        width: calc(100vw - 20px);
        right: 10px;
        bottom: 10px;
        max-height: 60vh;
      }

      /* Move undo FAB to left side on mobile to avoid conflict with help panel */
      #undo-fab {
        left: 16px !important;
        right: auto !important;
        bottom: 80px !important;
        width: 44px !important;
        height: 44px !important;
        font-size: 1.1rem !important;
      }
    }

    /* ============================================
       Drawing Overlay Controls Panel
       ============================================ */
    .drawing-controls-panel {
      position: absolute;
      top: 60px;
      right: calc(var(--wb-right-panel-space) + var(--wb-panel-edge));
      width: min(224px, calc(100% - 28px));
      max-height: calc(100% - 96px);
      background: var(--workbench-panel-bg);
      border: 1px solid var(--workbench-panel-border);
      border-radius: 8px;
      padding: 0;
      z-index: 100;
      font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
      color: var(--workbench-panel-text);
      box-shadow: 0 12px 34px var(--workbench-panel-shadow);
      display: none;
      backdrop-filter: blur(8px);
      overflow: hidden;
      flex-direction: column;
    }

    .drawing-controls-panel.is-open {
      display: flex;
    }

    .drawing-panel-header {
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding: 8px 10px;
      background: var(--accent-faint);
      border-bottom: 1px solid var(--workbench-panel-control-border);
      font-weight: bold;
      font-size: 0.78rem;
      color: var(--workbench-accent);
      border-radius: 6px 6px 0 0;
      gap: 8px;
    }

    .drawing-panel-title {
      min-width: 0;
      overflow: hidden;
      text-overflow: ellipsis;
      white-space: nowrap;
    }

    .drawing-panel-close {
      background: var(--workbench-panel-control-bg);
      border: 1px solid var(--workbench-panel-control-border);
      color: var(--workbench-panel-muted);
      min-width: 48px;
      height: 24px;
      border-radius: 4px;
      cursor: pointer;
      font-size: 0.68rem;
      display: flex;
      align-items: center;
      justify-content: center;
      transition: background 0.16s, color 0.16s, border-color 0.16s;
    }
    .drawing-panel-close:hover {
      background: var(--overlay-hover);
      color: var(--workbench-panel-text);
    }

    .drawing-panel-filename {
      padding: 6px 10px;
      font-size: 0.75rem;
      color: var(--workbench-panel-muted);
      border-bottom: 1px solid var(--border-subtle);
      white-space: nowrap;
      overflow: hidden;
      text-overflow: ellipsis;
    }

    .drawing-panel-body {
      overflow: auto;
      min-height: 0;
    }

    .drawing-control-group {
      padding: 7px 10px;
      border-bottom: 1px solid var(--border-subtle);
    }

    .drawing-control-group label {
      display: block;
      font-size: 0.75rem;
      color: var(--workbench-panel-muted);
      margin-bottom: 4px;
    }

    .drawing-input-row {
      display: flex;
      align-items: center;
      gap: 6px;
    }

    .drawing-control-group input[type="number"] {
      width: 80px;
      padding: 4px 8px;
      background: var(--workbench-panel-control-bg);
      border: 1px solid var(--workbench-panel-control-border);
      border-radius: 4px;
      color: var(--workbench-panel-text);
      font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
      font-size: 0.85rem;
    }
    .drawing-control-group input[type="number"]:focus {
      border-color: var(--workbench-accent);
      outline: none;
      box-shadow: 0 0 0 2px var(--accent-faint);
    }

    .drawing-unit {
      font-size: 0.75rem;
      color: var(--workbench-panel-muted);
    }

    .drawing-control-group select {
      width: 100%;
      padding: 4px 8px;
      background: var(--workbench-panel-control-bg);
      border: 1px solid var(--workbench-panel-control-border);
      border-radius: 4px;
      color: var(--workbench-panel-text);
      font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
      font-size: 0.8rem;
      cursor: pointer;
    }
    .drawing-control-group select:focus {
      border-color: var(--workbench-accent);
      outline: none;
    }
    .drawing-control-group select option {
      background: var(--panel-elevated);
      color: var(--text);
    }

    .drawing-control-group input[type="range"] {
      width: 100%;
      height: 4px;
      -webkit-appearance: none;
      appearance: none;
      background: var(--workbench-panel-control-bg);
      border-radius: 2px;
      outline: none;
      margin-top: 4px;
    }
    .drawing-control-group input[type="range"]::-webkit-slider-thumb {
      -webkit-appearance: none;
      width: 14px;
      height: 14px;
      background: var(--workbench-accent);
      border-radius: 50%;
      cursor: pointer;
      box-shadow: 0 0 6px var(--accent-glow);
    }

    .drawing-button-row {
      display: flex;
      gap: 4px;
      padding: 8px 10px;
    }

    .drawing-btn {
      flex: 1;
      padding: 6px 4px;
      background: var(--workbench-panel-control-bg);
      border: 1px solid var(--workbench-panel-control-border);
      color: var(--workbench-accent);
      border-radius: 4px;
      cursor: pointer;
      font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
      font-size: 0.7rem;
      text-align: center;
      transition: all 0.2s;
      white-space: nowrap;
    }
    .drawing-btn:hover {
      background: var(--overlay-hover);
      border-color: var(--workbench-accent);
    }
    .drawing-btn.active {
      background: var(--accent-light);
      border-color: var(--workbench-accent);
      color: var(--workbench-panel-text);
      box-shadow: 0 0 10px var(--accent-glow);
    }

    .drawing-panel-footer {
      display: flex;
      gap: 6px;
      padding: 8px 10px 10px;
      border-top: 1px solid var(--border-subtle);
    }

    .drawing-panel-action {
      flex: 1;
      min-height: 28px;
      padding: 5px 8px;
      background: var(--workbench-panel-control-bg);
      border: 1px solid var(--workbench-panel-control-border);
      border-radius: 4px;
      color: var(--workbench-panel-text);
      cursor: pointer;
      font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
      font-size: 0.7rem;
    }

    .drawing-panel-action:hover {
      background: var(--overlay-hover);
    }

    .drawing-panel-action.danger {
      color: var(--workbench-panel-danger);
      border-color: var(--workbench-panel-danger);
    }

    .drawing-panel-action.danger:hover {
      background: var(--error-faint);
    }

    .drawing-hint {
      padding: 6px 10px 0;
      font-size: 0.65rem;
      color: var(--workbench-panel-muted);
      text-align: center;
      font-style: italic;
    }

    .drawing-panel-chip {
      position: absolute;
      top: 60px;
      right: calc(var(--wb-right-panel-space) + var(--wb-panel-edge));
      z-index: 99;
      display: none;
      align-items: center;
      gap: 8px;
      max-width: min(240px, calc(100% - 28px));
      padding: 7px 10px;
      background: var(--workbench-panel-bg);
      border: 1px solid var(--workbench-panel-border);
      border-radius: 999px;
      box-shadow: 0 10px 24px var(--workbench-panel-shadow);
      color: var(--workbench-panel-text);
      font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
      font-size: 0.72rem;
      backdrop-filter: blur(8px);
      transition: right 0.22s ease, transform 0.22s ease, opacity 0.22s ease;
    }

    .drawing-panel-chip.is-visible {
      display: inline-flex;
    }

    .drawing-panel-chip button {
      border: 0;
      background: transparent;
      color: var(--workbench-accent);
      cursor: pointer;
      font-family: inherit;
      font-size: 0.72rem;
      padding: 0;
    }

    .workbench-btn.drawing-import {
      border-color: var(--workbench-chrome-border);
      color: var(--workbench-chrome-text);
      background: var(--workbench-control-bg);
    }
    .workbench-btn.drawing-import:hover {
      background: var(--workbench-control-hover);
      border-color: var(--workbench-accent);
    }

    /* Mobile adjustments for drawing panel */
    @media (max-width: 768px) {
      .drawing-controls-panel {
        width: min(220px, calc(100% - 10px));
        top: auto;
        bottom: 60px;
        right: 5px;
        font-size: 0.8rem;
      }
      .drawing-panel-chip {
        top: auto;
        bottom: 60px;
        right: 5px;
      }
      .drawing-btn {
        font-size: 0.65rem;
        padding: 5px 3px;
      }
    }

    /* ===========================================
       ITERATION SAVE SLOTS BAR
       =========================================== */
    #iteration-bar {
      display: flex;
      align-items: center;
      gap: 6px;
      margin-left: 8px;
      padding-left: 10px;
      border-left: 1px solid rgba(255,255,255,0.12);
    }

    .iter-label {
      font-size: 0.7rem;
      color: rgba(255, 255, 255, 0.45);
      text-transform: uppercase;
      letter-spacing: 0.5px;
      white-space: nowrap;
      user-select: none;
    }

    .iter-slots {
      display: flex;
      gap: 4px;
      align-items: center;
    }

    .iter-slot {
      display: flex;
      align-items: center;
      gap: 4px;
      padding: 3px 8px;
      border: 1px solid var(--border-subtle);
      border-radius: 4px;
      background: var(--overlay-subtle);
      color: var(--muted);
      font-size: 0.72rem;
      font-family: 'Segoe UI', system-ui, sans-serif;
      cursor: pointer;
      transition: all 0.15s ease;
      user-select: none;
      white-space: nowrap;
      min-width: 28px;
      justify-content: center;
    }

    .iter-slot:hover {
      background: var(--overlay-active);
      border-color: var(--overlay-strong);
      color: var(--text);
    }

    .iter-slot.has-data {
      border-color: var(--slot-color, #888);
      border-color: color-mix(in srgb, var(--slot-color, #888) 40%, transparent);
      color: rgba(255, 255, 255, 0.7);
      background: color-mix(in srgb, var(--slot-color, #888) 8%, transparent);
    }

    .iter-slot.has-data:hover {
      background: color-mix(in srgb, var(--slot-color, #888) 18%, transparent);
      border-color: var(--slot-color, #888);
      color: #fff;
    }

    .iter-slot.active {
      border-color: var(--slot-color, #888);
      background: color-mix(in srgb, var(--slot-color, #888) 22%, transparent);
      color: #fff;
      box-shadow: 0 0 8px color-mix(in srgb, var(--slot-color, #888) 30%, transparent);
    }

    .iter-slot.active:hover {
      background: color-mix(in srgb, var(--slot-color, #888) 30%, transparent);
    }

    .iter-slot-dot {
      width: 8px;
      height: 8px;
      border-radius: 50%;
      background: var(--slot-color, #555);
      flex-shrink: 0;
      opacity: 0.5;
    }

    .iter-slot.has-data .iter-slot-dot {
      opacity: 1;
    }

    .iter-slot.active .iter-slot-dot {
      box-shadow: 0 0 6px var(--slot-color, #888);
    }

    .iter-slot-num {
      font-weight: 600;
      font-size: 0.7rem;
    }

    .iter-slot-name {
      font-size: 0.65rem;
      opacity: 0.7;
      max-width: 60px;
      overflow: hidden;
      text-overflow: ellipsis;
    }

    @media (max-width: 768px) {
      #iteration-bar {
        margin-left: 4px;
        padding-left: 6px;
        gap: 3px;
      }
      .iter-label {
        display: none;
      }
      .iter-slot {
        padding: 3px 5px;
        font-size: 0.65rem;
      }
      .iter-slot-name {
        display: none;
      }
    }

    /* ========================================
       TASKS FEATURE
       ======================================== */

    /* Task list container */
    .task-list {
      display: flex;
      flex-direction: column;
      gap: 4px;
    }

    /* Individual task card */
    .task-item {
      background: var(--bg);
      border: 1px solid var(--border);
      border-radius: 6px;
      overflow: hidden;
    }

    /* Row inside a task card (checkbox + title + actions) */
    .task-row {
      display: flex;
      align-items: center;
      gap: 8px;
      padding: 8px 10px;
      position: relative;
    }

    /* Drag handle for tasks */
    .task-drag-handle {
      flex-shrink: 0;
      width: 14px;
      cursor: grab;
      opacity: 0;
      transition: opacity 0.15s;
      font-size: 12px;
      color: var(--muted);
      user-select: none;
      display: flex;
      align-items: center;
      justify-content: center;
    }
    .task-drag-handle::before {
      content: '⋮⋮';
      letter-spacing: -3px;
    }
    .task-drag-handle-sm {
      width: 12px;
      font-size: 10px;
    }
    .task-item:hover .task-drag-handle,
    .task-subtask-wrap:hover > .task-row .task-drag-handle {
      opacity: 0.5;
    }
    .task-drag-handle:hover {
      opacity: 1 !important;
    }
    .task-drag-handle:active {
      cursor: grabbing;
    }

    /* Dragging state */
    .task-dragging {
      opacity: 0.4;
    }
    .task-drag-over {
      border-top: 2px solid #80cbc4 !important;
    }

    /* Sub-task rows are indented */
    .task-subtask-list {
      border-top: 1px solid var(--border);
      padding: 0 10px 4px 10px;
      display: flex;
      flex-direction: column;
      gap: 2px;
    }

    .task-subtask-row {
      padding: 5px 0;
      border-bottom: none;
    }

    /* Checkbox bubble — empty state */
    .task-check {
      flex-shrink: 0;
      width: 18px;
      height: 18px;
      border-radius: 50%;
      border: 2px solid #80cbc4;
      background: transparent;
      cursor: pointer;
      padding: 0;
      display: flex;
      align-items: center;
      justify-content: center;
      transition: background 0.15s, border-color 0.15s;
    }

    .task-check:hover {
      border-color: #4db6ac;
      background: rgba(128,203,196,0.12);
    }

    /* Checkbox bubble — completed state */
    .task-check-done {
      background: #80cbc4;
      border-color: #80cbc4;
    }

    .task-check-done::after {
      content: '';
      display: block;
      width: 5px;
      height: 9px;
      border: 2px solid #1a2332;
      border-top: none;
      border-left: none;
      transform: rotate(45deg) translate(-1px, -1px);
    }

    /* Smaller checkbox for sub-tasks */
    .task-check-sm {
      width: 14px;
      height: 14px;
    }

    .task-check-sm.task-check-done::after {
      width: 4px;
      height: 7px;
    }

    /* Task title — flex-item that holds inline text + chips naturally */
    .task-title-area {
      flex: 1;
      min-width: 0;
      display: flex;
      align-items: center;
      gap: 4px;
    }

    .task-title {
      flex: 1;
      cursor: pointer;
      min-width: 0;
      line-height: 1.6;
      font-size: 0.875rem;
      color: var(--text);
      /* No display:flex — inline content flows naturally */
    }

    .task-title:hover .task-title-text {
      color: #80cbc4;
    }

    .task-title-text {
      color: var(--text);
      word-break: break-word;
    }

    /* Sub-task title is slightly smaller */
    .task-subtitle {
      font-size: 0.82rem;
      color: var(--muted);
    }

    /* Strike-through only the text, not the chips */
    .task-done-text {
      text-decoration: line-through;
      opacity: 0.6;
    }

    /* Action buttons on the right of a task row */
    .task-actions {
      display: flex;
      gap: 4px;
      flex-shrink: 0;
      opacity: 0;
      transition: opacity 0.15s;
    }

    .task-row:hover .task-actions {
      opacity: 1;
    }

    .task-btn-add-sub,
    .task-btn-delete {
      background: none;
      border: 1px solid var(--border);
      color: var(--muted);
      border-radius: 4px;
      width: 22px;
      height: 22px;
      font-size: 0.85rem;
      cursor: pointer;
      display: flex;
      align-items: center;
      justify-content: center;
      padding: 0;
      transition: background 0.1s, color 0.1s;
    }

    .task-btn-add-sub:hover {
      background: rgba(128,203,196,0.15);
      color: #80cbc4;
      border-color: #80cbc4;
    }

    .task-btn-delete:hover {
      background: rgba(239,83,80,0.12);
      color: #ef5350;
      border-color: #ef5350;
    }

    /* Inline text input when editing a task title */
    .task-inline-input {
      flex: 1;
      background: var(--input-bg, var(--bg));
      border: 1px solid #80cbc4;
      border-radius: 3px;
      color: var(--text);
      font-size: 0.875rem;
      padding: 2px 6px;
      width: 100%;
      outline: none;
    }

    /* Contenteditable task inputs */
    [contenteditable].task-new-input,
    [contenteditable].task-inline-input {
      display: inline;
      outline: none;
      border: none;
      background: transparent;
      font-size: inherit;
      color: inherit;
      line-height: inherit;
      min-width: 60px;
      cursor: text;
      white-space: pre-wrap;
      word-break: break-word;
      caret-color: #80cbc4;
    }
    [contenteditable].task-new-input {
      border-bottom: 1.5px dashed #80cbc4;
    }
    [contenteditable].task-new-input:empty::before {
      content: attr(data-placeholder);
      color: var(--muted);
      pointer-events: none;
    }
    [contenteditable].task-inline-input {
      border-bottom: 1.5px solid #80cbc4;
    }

    /* Host span for CE inputs in draft rows */
    .task-ce-host {
      flex: 1;
      min-width: 0;
    }

    /* Chips inside a contenteditable (edit mode) */
    .ce-chip {
      display: inline-flex;
      align-items: center;
      vertical-align: middle;
      border-radius: 10px;
      padding: 1px 7px;
      font-size: 0.76rem;
      line-height: 1.4;
      user-select: none;
      cursor: default;
      white-space: nowrap;
      margin: 0 2px;
    }
    .ce-chip-room {
      background: rgba(128, 203, 196, 0.15);
      border: 1px solid rgba(128, 203, 196, 0.4);
      color: #80cbc4;
    }
    .ce-chip-dept {
      background: rgba(129, 199, 132, 0.15);
      border: 1px solid rgba(129, 199, 132, 0.4);
      color: #a5d6a7;
    }
    .ce-chip-disc {
      background: rgba(179, 157, 219, 0.15);
      border: 1px solid rgba(179, 157, 219, 0.4);
      color: #b39ddb;
    }
    .ce-chip-attr {
      background: rgba(255, 183, 77, 0.15);
      border: 1px solid rgba(255, 183, 77, 0.4);
      color: #ffb74d;
    }
    .ce-chip-attachment {
      background: rgba(66, 165, 245, 0.15);
      border: 1px solid rgba(66, 165, 245, 0.4);
      color: #42a5f5;
    }
    /* Cross-project ref chips in user notes — clickable to navigate */
    .un-ref-chip {
      cursor: pointer;
    }
    .un-ref-chip:hover {
      filter: brightness(1.25);
    }

    /* ── Task attachment chips (rendered in display mode) ── */

    .task-attachment-chip {
      display: inline-flex;
      align-items: center;
      gap: 3px;
      padding: 1px 6px;
      border-radius: 4px;
      background: rgba(66, 165, 245, 0.12);
      border: 1px solid rgba(66, 165, 245, 0.35);
      color: #42a5f5;
      font-size: 0.82em;
      cursor: pointer;
      vertical-align: baseline;
      transition: background 0.15s;
    }
    .task-attachment-chip:hover {
      background: rgba(66, 165, 245, 0.25);
    }
    .task-attachment-chip .chip-remove {
      font-size: 0.75em;
      opacity: 0.5;
      cursor: pointer;
      margin-left: 2px;
    }
    .task-attachment-chip .chip-remove:hover {
      opacity: 1;
      color: #ef5350;
    }

    /* ── Task-linked room chips ────────────────────────────── */

    .task-room-chips {
      display: inline;
    }

    .task-room-chips-sub {
      /* same */
    }

    .task-room-chip {
      display: inline-flex;
      align-items: center;
      vertical-align: middle;
      gap: 3px;
      background: rgba(128, 203, 196, 0.1);
      border: 1px solid rgba(128, 203, 196, 0.35);
      border-radius: 12px;
      padding: 1px 6px 1px 8px;
      font-size: 0.76rem;
      color: #80cbc4;
      max-width: 260px;
      margin: 0 2px;
    }

    .task-room-chip-sm {
      font-size: 0.72rem;
      padding: 2px 5px 2px 7px;
    }

    .task-chip-label {
      cursor: pointer;
      white-space: nowrap;
      overflow: hidden;
      text-overflow: ellipsis;
      max-width: 160px;
      color: #80cbc4;
    }

    .task-chip-label:hover {
      text-decoration: underline;
    }

    .task-chip-revit,
    .task-chip-remove {
      background: none;
      border: none;
      padding: 0 1px;
      cursor: pointer;
      font-size: 0.78rem;
      line-height: 1;
      color: inherit;
      opacity: 0.6;
      transition: opacity 0.1s;
      flex-shrink: 0;
    }

    .task-chip-revit:hover {
      opacity: 1;
      color: #80cbc4;
    }

    .task-chip-remove:hover {
      opacity: 1;
      color: #ef5350;
    }

    /* Sub-task wrap — needed to contain chips after sub-task row */
    .task-subtask-wrap {
      display: flex;
      flex-direction: column;
    }

    /* Link-room button (house icon) in task actions */
    .task-btn-link-room {
      background: none;
      border: 1px solid var(--border);
      color: var(--muted);
      border-radius: 4px;
      width: 22px;
      height: 22px;
      font-size: 0.75rem;
      cursor: pointer;
      display: flex;
      align-items: center;
      justify-content: center;
      padding: 0;
      transition: background 0.1s, color 0.1s;
    }

    .task-btn-link-room:hover {
      background: rgba(128, 203, 196, 0.15);
      color: #80cbc4;
      border-color: #80cbc4;
    }

    .task-btn-link-room-sm {
      width: 18px;
      height: 18px;
      font-size: 0.68rem;
    }

    /* ── Room picker modal rows ───────────────────────────── */

    .room-picker-row {
      display: flex;
      justify-content: space-between;
      align-items: baseline;
      gap: 8px;
      padding: 7px 10px;
      border-radius: 5px;
      cursor: pointer;
      border: 1px solid transparent;
      transition: background 0.12s, border-color 0.12s;
    }

    .room-picker-row:hover {
      background: rgba(128, 203, 196, 0.1);
      border-color: rgba(128, 203, 196, 0.3);
    }

    .room-picker-label {
      font-size: 0.875rem;
      color: var(--text);
      flex: 1;
      min-width: 0;
      white-space: nowrap;
      overflow: hidden;
      text-overflow: ellipsis;
    }

    .room-picker-loc {
      font-size: 0.74rem;
      color: var(--muted);
      white-space: nowrap;
      flex-shrink: 0;
    }

    /* ── Dept / FA chips (teal-green tint vs room chips) ─── */
    .task-dept-chip {
      background: rgba(165, 214, 167, 0.1);
      border-color: rgba(165, 214, 167, 0.35);
      color: #a5d6a7;
    }
    .task-dept-chip .task-chip-label {
      color: #a5d6a7;
    }
    .task-dept-chip .task-chip-label:hover {
      text-decoration: underline;
    }

    /* ── Discipline chips (purple tint) ────────────────────── */
    .task-disc-chip {
      background: rgba(179, 157, 219, 0.1);
      border-color: rgba(179, 157, 219, 0.35);
      color: #b39ddb;
    }
    .task-disc-chip .task-chip-label {
      color: #b39ddb;
      cursor: pointer;
    }
    .task-disc-chip .task-chip-label:hover {
      text-decoration: underline;
    }

    /* ── Attribute chips (amber tint) ──────────────────────── */
    .task-attr-chip {
      background: rgba(255, 183, 77, 0.1);
      border-color: rgba(255, 183, 77, 0.35);
      color: #ffb74d;
    }
    .task-attr-chip .task-chip-label {
      color: #ffb74d;
    }

    /* ── Inline new-task input ─────────────────────────────── */
    .task-new-input {
      flex: 1;
      width: 100%;
      background: transparent;
      border: none;
      border-bottom: 1px dashed rgba(128, 203, 196, 0.5);
      color: var(--text);
      font-size: 0.875rem;
      padding: 2px 4px;
      outline: none;
    }
    .task-new-input:focus {
      border-bottom-color: #80cbc4;
    }
    .task-new-input::placeholder {
      color: var(--muted);
      font-style: italic;
      font-size: 0.82rem;
    }
    .task-item-new {
      border-style: dashed;
      opacity: 0.85;
    }
    .task-item-add-row {
      border-style: dashed;
      border-color: transparent;
      opacity: 0.75;
      transition: opacity 0.15s, border-color 0.15s;
      cursor: text;
    }
    .task-item-add-row:focus-within {
      opacity: 0.95;
      border-color: var(--border);
    }
    .task-add-input[data-placeholder]:empty:before {
      content: attr(data-placeholder);
      color: var(--muted);
      font-style: italic;
      font-size: 0.82rem;
      pointer-events: none;
    }
    .task-new-input-wrap {
      flex: 1;
      display: flex;
      align-items: center;
    }

    /* ── @ mention dropdown ──────────────────────────────────── */
    .at-mention-dropdown {
      position: fixed;
      z-index: 99999;
      background: var(--bg-card);
      border: 1px solid var(--border);
      border-radius: 6px;
      box-shadow: 0 6px 20px rgba(0,0,0,0.4);
      max-height: 260px;
      overflow-y: auto;
      padding: 4px 0;
      display: none;
      font-size: 0.85rem;
      line-height: 1.4;
    }

    .at-mention-item {
      display: flex;
      align-items: center;
      gap: 8px;
      padding: 7px 12px;
      cursor: pointer;
      transition: background 0.1s;
      font-size: 0.85rem;
      line-height: 1.4;
      min-height: 28px;
    }

    .at-mention-item:hover,
    .at-mention-highlighted {
      background: rgba(128, 203, 196, 0.12);
    }

    .at-mention-icon {
      font-size: 0.75rem;
      flex-shrink: 0;
      min-width: 32px;
      text-align: center;
      color: var(--muted);
      background: rgba(128, 203, 196, 0.08);
      border-radius: 3px;
      padding: 1px 4px;
    }

    .at-mention-label {
      flex: 1;
      color: var(--text);
      white-space: nowrap;
      overflow: hidden;
      text-overflow: ellipsis;
    }

    .at-mention-sub {
      font-size: 0.74rem;
      color: var(--muted);
      white-space: nowrap;
      flex-shrink: 0;
      max-width: 120px;
      overflow: hidden;
      text-overflow: ellipsis;
    }

    /* ── OneNote Import ──────────────────────────────────────── */
    .onenote-paste-area {
      min-height: 120px;
      max-height: 220px;
      overflow-y: auto;
      border: 1.5px dashed var(--border);
      border-radius: 6px;
      padding: 10px 12px;
      font-size: 0.83rem;
      color: var(--text);
      background: var(--surface);
      outline: none;
      line-height: 1.5;
      word-break: break-word;
      cursor: text;
      transition: border-color 0.15s;
    }
    .onenote-paste-area:focus {
      border-color: #80cbc4;
    }
    .onenote-paste-area:empty::before {
      content: attr(placeholder);
      color: var(--muted);
      pointer-events: none;
    }
    .onenote-preview-header {
      display: flex;
      justify-content: space-between;
      align-items: center;
      background: rgba(128,203,196,0.08);
      border: 1px solid rgba(128,203,196,0.25);
      border-radius: 6px 6px 0 0;
      padding: 8px 12px;
      font-size: 0.82rem;
      color: var(--text);
      margin-top: 12px;
    }
    .onenote-preview-body {
      border: 1px solid rgba(128,203,196,0.18);
      border-top: none;
      border-radius: 0 0 6px 6px;
      max-height: 220px;
      overflow-y: auto;
      padding: 8px 12px;
      background: var(--surface);
    }
    .onenote-disc-block {
      margin-bottom: 10px;
    }
    .onenote-disc-block:last-child {
      margin-bottom: 0;
    }
    .onenote-disc-heading {
      font-size: 0.79rem;
      font-weight: 600;
      color: #80cbc4;
      text-transform: uppercase;
      letter-spacing: 0.04em;
      margin-bottom: 3px;
    }
    .onenote-task-row {
      font-size: 0.82rem;
      color: var(--text);
      padding: 1px 0 1px 10px;
    }
    .onenote-subtask-row {
      font-size: 0.79rem;
      color: var(--muted);
      padding: 1px 0 1px 28px;
    }

    /* ── Task Toolbar (filter/sort) ──────────────────────────────── */
    .task-toolbar {
      display: flex;
      justify-content: space-between;
      align-items: center;
      gap: 8px;
      margin-bottom: 10px;
      flex-wrap: wrap;
    }
    .task-toolbar-filters {
      display: flex;
      gap: 6px;
      flex-wrap: wrap;
    }
    .task-toolbar-sort {
      display: flex;
      gap: 6px;
    }
    .task-filter-select {
      background: var(--bg);
      border: 1px solid var(--border);
      color: var(--text);
      border-radius: 4px;
      padding: 3px 6px;
      font-size: 0.76rem;
      cursor: pointer;
      outline: none;
    }
    .task-filter-select:focus {
      border-color: #80cbc4;
    }

    /* ── Task metadata row ────────────────────────────────────── */
    .task-meta-row {
      display: flex;
      align-items: center;
      gap: 8px;
      padding: 0 10px 6px 42px;
      flex-wrap: wrap;
    }
    .task-meta-row-sub {
      padding-left: 56px;
    }
    .task-meta-priority {
      font-size: 0.7rem;
      font-weight: 600;
      border-radius: 3px;
      padding: 1px 6px;
      white-space: nowrap;
    }
    .task-meta-pri-low {
      color: #81c784;
      background: rgba(129,199,132,0.12);
    }
    .task-meta-pri-medium {
      color: #ffb74d;
      background: rgba(255,183,77,0.12);
    }
    .task-meta-pri-high {
      color: #ef5350;
      background: rgba(239,83,80,0.12);
    }
    .task-meta-due {
      font-size: 0.72rem;
      color: var(--muted);
      white-space: nowrap;
    }
    .task-meta-overdue {
      color: #ef5350;
      font-weight: 600;
    }
    .task-meta-due-soon {
      color: #ffb74d;
    }
    .task-meta-assignee {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      width: 22px;
      height: 22px;
      border-radius: 50%;
      background: rgba(128,203,196,0.18);
      color: #80cbc4;
      font-size: 0.65rem;
      font-weight: 700;
      flex-shrink: 0;
      line-height: 22px;
      text-align: center;
    }
    .task-meta-attach {
      font-size: 0.72rem;
      color: var(--muted);
    }
    .task-meta-note {
      font-size: 0.72rem;
      color: var(--muted);
    }

    /* ── Priority indicator dot ────────────────────────────────── */
    .task-pri-dot {
      flex-shrink: 0;
      width: 6px;
      height: 6px;
      border-radius: 50%;
    }
    .task-pri-dot-sm {
      width: 5px;
      height: 5px;
    }
    .task-pri-dot-high {
      background: #ef5350;
      box-shadow: 0 0 4px rgba(239,83,80,0.5);
    }
    .task-pri-dot-medium {
      background: #ffb74d;
    }
    .task-pri-dot-low {
      background: #81c784;
    }

    /* ── Overdue task highlight ────────────────────────────────── */
    .task-item-overdue {
      border-color: rgba(239,83,80,0.35) !important;
      background: rgba(239,83,80,0.03);
    }

    /* ── Detail panel (expandable per-task) ─────────────────────── */
    .task-detail-panel {
      padding: 10px 12px 10px 42px;
      border-top: 1px solid var(--border);
      background: rgba(128,203,196,0.02);
    }
    .task-detail-grid {
      display: grid;
      grid-template-columns: auto 1fr;
      gap: 6px 10px;
      align-items: center;
    }
    .task-detail-label {
      font-size: 0.75rem;
      color: var(--muted);
      white-space: nowrap;
    }
    .task-detail-input {
      background: var(--bg);
      border: 1px solid var(--border);
      color: var(--text);
      border-radius: 4px;
      padding: 3px 6px;
      font-size: 0.8rem;
      outline: none;
      width: 100%;
      max-width: 220px;
    }
    .task-detail-input:focus {
      border-color: #80cbc4;
    }
    .task-detail-textarea {
      width: 100%;
      background: var(--bg);
      border: 1px solid var(--border);
      color: var(--text);
      border-radius: 4px;
      padding: 6px 8px;
      font-size: 0.8rem;
      resize: vertical;
      min-height: 48px;
      outline: none;
      font-family: inherit;
      line-height: 1.5;
    }
    .task-detail-textarea:focus {
      border-color: #80cbc4;
    }

    /* ── Detail toggle button ──────────────────────────────────── */
    .task-btn-detail {
      background: none;
      border: 1px solid var(--border);
      color: var(--muted);
      border-radius: 4px;
      width: 22px;
      height: 22px;
      font-size: 0.85rem;
      cursor: pointer;
      display: flex;
      align-items: center;
      justify-content: center;
      padding: 0;
      transition: background 0.1s, color 0.1s;
      letter-spacing: -1px;
    }
    .task-btn-detail:hover {
      background: rgba(128,203,196,0.15);
      color: #80cbc4;
      border-color: #80cbc4;
    }

    /* ── Attachment thumbnails ────────────────────────────────── */
    .task-attach-thumbs {
      display: flex;
      gap: 6px;
      padding: 4px 10px 8px 42px;
      flex-wrap: wrap;
    }
    .task-attach-thumbs-sub {
      padding-left: 56px;
    }
    .task-attach-thumb {
      width: 48px;
      height: 48px;
      object-fit: cover;
      border-radius: 4px;
      border: 1px solid var(--border);
      cursor: pointer;
      transition: border-color 0.15s, transform 0.1s;
    }
    .task-attach-thumb:hover {
      border-color: #80cbc4;
      transform: scale(1.05);
    }
    .task-attach-thumb-lg {
      width: 64px;
      height: 64px;
    }
    .task-attach-thumb-wrap {
      position: relative;
      display: inline-block;
    }
    .task-attach-remove {
      position: absolute;
      top: -4px;
      right: -4px;
      width: 16px;
      height: 16px;
      border-radius: 50%;
      background: #ef5350;
      color: white;
      border: none;
      font-size: 0.65rem;
      cursor: pointer;
      display: flex;
      align-items: center;
      justify-content: center;
      padding: 0;
      opacity: 0;
      transition: opacity 0.15s;
    }
    .task-attach-thumb-wrap:hover .task-attach-remove {
      opacity: 1;
    }

    /* ===== WORKSPACE CANVAS ===== */

    .ws-viewport {
      display: flex;
      flex-direction: column;
      overflow: hidden;
      background: var(--bg);
    }

    .ws-toolbar {
      display: flex;
      align-items: center;
      justify-content: space-between;
      padding: 6px 12px;
      background: var(--overlay-subtle);
      border-bottom: 1px solid var(--border-subtle);
      flex-shrink: 0;
      z-index: 20;
    }

    .ws-toolbar-title {
      font-size: 13px;
      font-weight: 600;
      color: rgba(224,224,224,0.85);
      letter-spacing: 0.3px;
    }

    .ws-toolbar-actions {
      display: flex;
      align-items: center;
      gap: 3px;
    }

    .ws-tb-btn {
      background: rgba(128,203,196,0.1);
      border: 1px solid rgba(128,203,196,0.15);
      color: rgba(224,224,224,0.8);
      border-radius: 4px;
      padding: 3px 8px;
      cursor: pointer;
      font-size: 13px;
      line-height: 1.2;
      transition: background 0.15s;
    }
    .ws-tb-btn:hover {
      background: rgba(128,203,196,0.2);
    }

    .ws-tb-zoom {
      cursor: default;
      min-width: 38px;
      text-align: center;
      font-size: 11px;
      color: rgba(128,203,196,0.7);
    }

    .ws-tb-sep {
      width: 1px;
      height: 18px;
      background: rgba(128,203,196,0.12);
      margin: 0 4px;
    }

    .ws-canvas-wrap {
      flex: 1;
      position: relative;
      overflow: hidden;
      background: var(--bg);
      cursor: grab;
    }

    .ws-canvas-wrap.ws-interacting,
    .ws-canvas-wrap.ws-interacting * {
      user-select: none !important;
      -webkit-user-select: none !important;
      cursor: inherit;
    }

    .ws-canvas {
      position: absolute;
      top: 0;
      left: 0;
      transform-origin: 0 0;
      width: 0;
      height: 0;
    }

    .ws-svg {
      position: absolute;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      pointer-events: none;
      overflow: visible;
      transform-origin: 0 0;
      z-index: 5;
    }
    .ws-svg path, .ws-svg line {
      pointer-events: stroke;
    }

    /* ── Node styling ────────────────────────────── */

    .ws-node {
      position: absolute;
      background: rgba(22,24,28,0.97);
      border: 1px solid rgba(128,203,196,0.15);
      border-radius: 8px;
      box-shadow: 0 2px 12px rgba(0,0,0,0.5);
      min-width: 220px;
      max-width: 520px;
      z-index: 10;
      transition: box-shadow 0.15s;
      overflow: visible;
    }
    .ws-node:hover {
      box-shadow: 0 4px 20px rgba(0,0,0,0.6), 0 0 3px rgba(128,203,196,0.12);
    }
    .ws-node-dragging {
      box-shadow: 0 8px 30px rgba(0,0,0,0.7), 0 0 6px rgba(128,203,196,0.2) !important;
      opacity: 0.92;
    }
    .ws-node-collapsed {
      max-height: none;
    }

    .ws-node-header {
      display: flex;
      align-items: center;
      gap: 6px;
      padding: 7px 10px;
      border-radius: 8px 8px 0 0;
      cursor: move;
      user-select: none;
      border-bottom: 1px solid rgba(128,203,196,0.1);
    }
    .ws-node-collapsed .ws-node-header {
      border-radius: 8px;
      border-bottom: none;
    }

    .ws-node-icon {
      font-size: 14px;
      flex-shrink: 0;
    }

    .ws-node-label {
      font-size: 12px;
      font-weight: 600;
      color: rgba(224,224,224,0.85);
      letter-spacing: 0.3px;
      flex: 1;
      overflow: hidden;
      text-overflow: ellipsis;
      white-space: nowrap;
    }

    .ws-node-header-actions {
      display: flex;
      gap: 2px;
      flex-shrink: 0;
    }

    .ws-node-btn {
      background: none;
      border: none;
      color: rgba(224,224,224,0.5);
      cursor: pointer;
      font-size: 14px;
      padding: 0 3px;
      line-height: 1;
      border-radius: 3px;
      transition: color 0.15s, background 0.15s;
    }
    .ws-node-btn:hover {
      color: rgba(224,224,224,0.9);
      background: rgba(128,203,196,0.15);
    }
    .ws-node-btn-close:hover {
      color: #ef5350;
      background: rgba(239,83,80,0.15);
    }

    .ws-node-body {
      padding: 8px;
      max-height: 500px;
      overflow-y: auto;
      overflow-x: hidden;
    }

    .ws-node-content {
      font-size: 12px;
    }

    /* ── Connection ports ─────────────────────────── */

    .ws-node-port-in,
    .ws-node-port-out,
    .ws-task-port {
      width: 12px;
      height: 12px;
      border-radius: 50%;
      background: rgba(128,203,196,0.3);
      border: 2px solid rgba(128,203,196,0.5);
      cursor: crosshair;
      transition: background 0.15s, transform 0.15s;
      z-index: 15;
    }
    .ws-node-port-in:hover,
    .ws-node-port-out:hover,
    .ws-task-port:hover {
      background: rgba(128,203,196,0.7);
      transform: scale(1.3);
    }

    .ws-node-port-in {
      position: absolute;
      left: -6px;
      top: 50%;
      transform: translateY(-50%);
    }
    .ws-node-port-in:hover {
      transform: translateY(-50%) scale(1.3);
    }

    .ws-task-port {
      width: 10px;
      height: 10px;
      flex-shrink: 0;
      margin-left: 4px;
    }

    /* ── Wires ───────────────────────────────────── */

    .ws-wire {
      fill: none;
      stroke: rgba(128,203,196,0.45);
      stroke-width: 2;
      cursor: pointer;
      transition: stroke 0.15s;
    }
    .ws-wire:hover {
      stroke: rgba(128,203,196,0.8);
      stroke-width: 3;
    }
    .ws-wire-temp {
      stroke: rgba(128,203,196,0.3);
      stroke-dasharray: 6 3;
    }

    /* ── Photo node ──────────────────────────────── */

    .ws-photo-grid {
      display: flex;
      flex-wrap: wrap;
      gap: 6px;
      margin-bottom: 6px;
    }

    .ws-photo-item {
      position: relative;
      border-radius: 4px;
      overflow: hidden;
      background: rgba(0,0,0,0.3);
    }

    .ws-photo-img {
      width: 80px;
      height: 80px;
      object-fit: cover;
      cursor: pointer;
      display: block;
      border-radius: 4px;
      transition: opacity 0.15s;
    }
    .ws-photo-img:hover {
      opacity: 0.85;
    }

    .ws-photo-remove {
      position: absolute;
      top: 2px;
      right: 2px;
      background: rgba(0,0,0,0.6);
      color: #ef5350;
      border: none;
      border-radius: 50%;
      width: 18px;
      height: 18px;
      font-size: 12px;
      line-height: 18px;
      text-align: center;
      cursor: pointer;
      opacity: 0;
      transition: opacity 0.15s;
      padding: 0;
    }
    .ws-photo-item:hover .ws-photo-remove {
      opacity: 1;
    }

    .ws-photo-caption {
      font-size: 10px;
      color: rgba(224,224,224,0.6);
      padding: 2px 4px;
      text-align: center;
      max-width: 80px;
      overflow: hidden;
      text-overflow: ellipsis;
      white-space: nowrap;
    }

    .ws-photo-drop {
      border: 1px dashed rgba(128,203,196,0.2);
      border-radius: 4px;
      padding: 10px;
      text-align: center;
      color: rgba(224,224,224,0.4);
      font-size: 11px;
      transition: border-color 0.15s, background 0.15s;
    }
    .ws-photo-drop-active {
      border-color: rgba(128,203,196,0.5);
      background: rgba(128,203,196,0.08);
    }

    .ws-photo-upload-btn {
      color: rgba(128,203,196,0.7);
      cursor: pointer;
      text-decoration: underline;
    }
    .ws-photo-upload-btn:hover {
      color: rgba(128,203,196,0.9);
    }

    /* ── Notes node ──────────────────────────────── */

    .ws-notes-textarea {
      width: 100%;
      min-height: 80px;
      background: rgba(0,0,0,0.2);
      border: 1px solid rgba(128,203,196,0.1);
      border-radius: 4px;
      padding: 6px 8px;
      color: rgba(224,224,224,0.85);
      font-size: 12px;
      font-family: inherit;
      resize: vertical;
      outline: none;
      transition: border-color 0.15s;
    }
    .ws-notes-textarea:focus {
      border-color: rgba(128,203,196,0.3);
    }

    /* ── Links node ──────────────────────────────── */

    .ws-links-list {
      margin-bottom: 6px;
    }

    .ws-link-row {
      display: flex;
      align-items: center;
      gap: 4px;
      padding: 3px 0;
      border-bottom: 1px solid rgba(128,203,196,0.05);
    }

    .ws-link-url {
      flex: 1;
      color: rgba(128,203,196,0.8);
      font-size: 11px;
      text-decoration: none;
      overflow: hidden;
      text-overflow: ellipsis;
      white-space: nowrap;
    }
    .ws-link-url:hover {
      text-decoration: underline;
      color: rgba(128,203,196,1);
    }

    .ws-link-remove {
      background: none;
      border: none;
      color: rgba(224,224,224,0.3);
      cursor: pointer;
      font-size: 12px;
      padding: 0 2px;
    }
    .ws-link-remove:hover {
      color: #ef5350;
    }

    .ws-link-add {
      display: flex;
      gap: 4px;
    }

    .ws-link-input {
      flex: 1;
      background: rgba(0,0,0,0.2);
      border: 1px solid rgba(128,203,196,0.1);
      border-radius: 4px;
      padding: 4px 6px;
      color: rgba(224,224,224,0.8);
      font-size: 11px;
      outline: none;
    }
    .ws-link-input:focus {
      border-color: rgba(128,203,196,0.3);
    }

    /* ── Checklist node ──────────────────────────── */

    .ws-checklist {
      margin-bottom: 4px;
    }

    .ws-check-row {
      display: flex;
      align-items: center;
      gap: 6px;
      padding: 3px 0;
    }

    .ws-check-box {
      accent-color: #80cbc4;
      flex-shrink: 0;
      cursor: pointer;
    }

    .ws-check-text {
      flex: 1;
      color: rgba(224,224,224,0.8);
      font-size: 12px;
      cursor: text;
      border-radius: 3px;
      padding: 1px 3px;
    }
    .ws-check-text[contenteditable="true"] {
      outline: 1px solid rgba(128,203,196,0.3);
      background: rgba(0,0,0,0.2);
    }

    .ws-check-done {
      text-decoration: line-through;
      color: rgba(224,224,224,0.35);
    }

    .ws-check-remove {
      background: none;
      border: none;
      color: rgba(224,224,224,0.2);
      cursor: pointer;
      font-size: 12px;
      padding: 0 2px;
      opacity: 0;
      transition: opacity 0.15s;
    }
    .ws-check-row:hover .ws-check-remove {
      opacity: 1;
    }
    .ws-check-remove:hover {
      color: #ef5350;
    }

    .ws-check-add {
      width: 100%;
      background: rgba(0,0,0,0.2);
      border: 1px solid rgba(128,203,196,0.08);
      border-radius: 4px;
      padding: 4px 6px;
      color: rgba(224,224,224,0.7);
      font-size: 11px;
      outline: none;
    }
    .ws-check-add:focus {
      border-color: rgba(128,203,196,0.3);
    }

    /* Task items inside workspace node - override some styles */
    .ws-node-content .task-toolbar { padding: 4px 0; }
    .ws-node-content .task-list { margin: 0; }
    .ws-node-content .task-item .task-row {
      display: flex;
      align-items: center;
    }

    /* ===== LIVE PROJECT SYSTEM ===== */

    @keyframes live-pulse {
      0%, 100% { opacity: 1; transform: scale(1); }
      50%       { opacity: 0.45; transform: scale(0.85); }
    }

    /* Small animated dot used in badges and sidebar headers */
    .live-pulse-dot {
      display: inline-block;
      width: 8px;
      height: 8px;
      border-radius: 50%;
      background: #00b894;
      animation: live-pulse 2s ease-in-out infinite;
      flex-shrink: 0;
    }

    /* Compact "LIVE" pill badge */
    .live-badge-small {
      display: inline-flex;
      align-items: center;
      padding: 1px 6px;
      background: rgba(0, 184, 148, 0.15);
      border: 1px solid rgba(0, 184, 148, 0.5);
      border-radius: 10px;
      font-size: 0.65rem;
      font-weight: 700;
      letter-spacing: 0.06em;
      color: #00b894;
      white-space: nowrap;
      flex-shrink: 0;
    }

    /* "Open Live Project" button accent */
    .live-open-btn {
      background: linear-gradient(135deg, #00b894 0%, #00cec9 100%) !important;
      border-color: #00b894 !important;
    }
    .live-open-btn:hover {
      opacity: 0.9;
    }

    /* Live project card hover border glow */
    .tree-item:has(.live-badge-small):hover {
      border-color: rgba(0, 184, 148, 0.65) !important;
    }


    /* ════════════════════════════════════════════════════════════════
       WINDOW MANAGER SYSTEM
       Desktop-style windowing for all application panels
       ════════════════════════════════════════════════════════════════ */

    /* ── Desktop (replaces .layout flex) ── */
    body.windowed-layout {
      padding-bottom: 0;
    }

    /* Fix header height so project indicator show/hide doesn't shift the desktop */
    body.windowed-layout header {
      min-height: 56px;
      margin-bottom: 12px;
    }

    body.windowed-layout .layout {
      display: block;
      position: relative;
      height: calc(100vh - 76px - 38px);
      overflow: hidden;
      gap: 0;
    }

    body.windowed-layout .column-resizer {
      display: none !important;
    }

    /* Override sim-mode hiding in windowed layout */
    body.windowed-layout.sim-mode #left-column,
    body.windowed-layout.sim-mode #right-column,
    body.windowed-layout.sim-mode #compare-column,
    body.windowed-layout.sim-mode #resizer,
    body.windowed-layout.sim-mode #compare-resizer {
      display: block !important;
    }
    body.windowed-layout.sim-mode #sim-main-view {
      display: flex !important;
    }

    /* Panels inside windows should fill the window body */
    body.windowed-layout #left-column {
      width: 100% !important;
      max-width: none !important;
      min-width: 0 !important;
      flex: none !important;
      padding: 0 !important;
      transition: none !important;
    }
    /* Disable collapsed state inside windows */
    body.windowed-layout #left-column.collapsed {
      width: 100% !important;
      min-width: 0 !important;
      max-width: none !important;
      overflow: visible !important;
    }
    body.windowed-layout #left-column.collapsed > * {
      opacity: 1 !important;
      pointer-events: auto !important;
    }
    body.windowed-layout #right-column {
      width: 100% !important;
      min-width: 0 !important;
      flex: none !important;
      padding: 0 6px !important;
      transition: none !important;
    }
    body.windowed-layout #compare-column {
      display: block !important;
      width: 100% !important;
      min-width: 0 !important;
      flex: none !important;
      padding: 0 6px !important;
    }
    body.windowed-layout #sim-main-view {
      width: 100% !important;
      height: 100% !important;
      min-width: 0 !important;
      flex: 1 !important;
      min-height: 0 !important;
    }
    body.windowed-layout #workbench-container {
      position: static !important;
      width: 100% !important;
      height: 100% !important;
      z-index: auto !important;
    }
    body.windowed-layout #workbench-container.active {
      display: flex !important;
    }
    body.windowed-layout .help-panel {
      position: static !important;
      width: 100% !important;
      max-height: none !important;
      height: 100% !important;
      bottom: auto !important;
      right: auto !important;
      z-index: auto !important;
      border-radius: 0 !important;
      animation: none !important;
      display: flex !important;
    }

    /* ── The Window ── */
    .app-window {
      position: absolute;
      display: flex;
      flex-direction: column;
      background: var(--bg);
      border: 1px solid var(--border);
      border-radius: 6px;
      box-shadow:
        0 2px 12px var(--card-shadow);
      overflow: hidden;
      transition: box-shadow 0.2s ease, border-color 0.2s ease;
    }

    .app-window.win-focused {
      border-color: var(--border);
      box-shadow:
        0 2px 12px var(--card-shadow),
        0 0 20px var(--accent-faint);
    }

    .app-window.win-maximized {
      left: 0 !important;
      top: 0 !important;
      width: 100% !important;
      height: 100% !important;
      border-radius: 0;
    }

    .app-window.win-dragging {
      opacity: 0.92;
      transition: none !important;
    }

    .app-window.win-opening {
      animation: winOpen 0.2s ease-out;
    }

    .app-window.win-closing {
      animation: winClose 0.15s ease-in forwards;
      pointer-events: none;
    }

    .app-window.win-minimize-anim {
      animation: winMinimize 0.18s ease-in forwards;
      pointer-events: none;
    }

    @keyframes winOpen {
      from { opacity: 0; transform: scale(0.92) translateY(12px); }
      to   { opacity: 1; transform: scale(1) translateY(0); }
    }

    @keyframes winClose {
      from { opacity: 1; transform: scale(1); }
      to   { opacity: 0; transform: scale(0.92) translateY(10px); }
    }

    @keyframes winMinimize {
      from { opacity: 1; transform: scale(1); }
      to   { opacity: 0; transform: scale(0.7) translateY(60px); }
    }

    /* ── Title Bar ── */
    .window-titlebar {
      display: flex;
      align-items: center;
      height: 26px;
      padding: 0 6px;
      background: transparent;
      border-bottom: none;
      cursor: grab;
      user-select: none;
      flex-shrink: 0;
    }

    .window-titlebar:active {
      cursor: grabbing;
    }

    .win-focused .window-titlebar {
      background: transparent;
    }

    .window-icon {
      font-size: 12px;
      margin-right: 5px;
      flex-shrink: 0;
    }

    .window-title {
      flex: 1;
      font-size: 11px;
      font-weight: 600;
      color: var(--muted);
      white-space: nowrap;
      overflow: hidden;
      text-overflow: ellipsis;
    }

    .win-focused .window-title {
      color: var(--text);
    }

    .window-controls {
      display: flex;
      gap: 2px;
      margin-left: 6px;
    }

    .win-btn {
      width: 20px;
      height: 18px;
      border: none;
      border-radius: 3px;
      background: transparent;
      color: var(--muted);
      font-size: 11px;
      cursor: pointer;
      display: flex;
      align-items: center;
      justify-content: center;
      transition: background 0.12s, color 0.12s;
      line-height: 1;
    }

    .win-btn:hover {
      background: var(--overlay-active);
      color: var(--text);
    }

    .win-btn.win-close:hover {
      background: rgba(192, 57, 43, 0.6);
      color: #fff;
    }

    /* ── Window Body ── */
    .window-body {
      flex: 1;
      overflow: auto;
      min-height: 0;
    }

    /* ── Resize Handles ── */
    .resize-handle {
      position: absolute;
      z-index: 5;
    }

    .resize-n { top: -3px; left: 6px; right: 6px; height: 6px; cursor: n-resize; }
    .resize-s { bottom: -3px; left: 6px; right: 6px; height: 6px; cursor: s-resize; }
    .resize-e { right: -3px; top: 6px; bottom: 6px; width: 6px; cursor: e-resize; }
    .resize-w { left: -3px; top: 6px; bottom: 6px; width: 6px; cursor: w-resize; }
    .resize-ne { top: -3px; right: -3px; width: 12px; height: 12px; cursor: ne-resize; }
    .resize-nw { top: -3px; left: -3px; width: 12px; height: 12px; cursor: nw-resize; }
    .resize-se { bottom: -3px; right: -3px; width: 12px; height: 12px; cursor: se-resize; }
    .resize-sw { bottom: -3px; left: -3px; width: 12px; height: 12px; cursor: sw-resize; }

    /* Maximized windows hide resize handles */
    .win-maximized .resize-handle {
      display: none;
    }

    /* ── Snap Preview ── */
    .snap-preview {
      position: fixed;
      background: var(--accent-faint);
      border: 2px solid var(--accent-glow);
      border-radius: 6px;
      z-index: 9998;
      pointer-events: none;
      display: none;
      backdrop-filter: blur(2px);
      transition: all 0.12s ease;
    }

    /* ── Taskbar ── */
    .window-taskbar {
      position: fixed;
      bottom: 0;
      left: 0;
      right: 0;
      height: 32px;
      background: var(--bg-card);
      border-top: 1px solid var(--border);
      display: flex;
      align-items: center;
      padding: 0 4px;
      z-index: 10002;
      backdrop-filter: blur(16px);
      gap: 2px;
      /* Promote to its own compositor layer so Safari viewport-height changes
         (address bar show/hide) don't cause a repaint flash on the taskbar */
      will-change: transform;
      transform: translateZ(0);
    }

    .taskbar-start {
      flex-shrink: 0;
      margin-right: 4px;
    }

    .taskbar-start-btn {
      width: 26px;
      height: 22px;
      border: none;
      border-radius: 4px;
      background: linear-gradient(135deg, rgba(0, 184, 148, 0.2), rgba(0, 184, 148, 0.05));
      color: var(--accent);
      font-size: 12px;
      cursor: pointer;
      transition: all 0.15s;
    }

    .taskbar-start-btn:hover {
      background: linear-gradient(135deg, rgba(0, 184, 148, 0.35), rgba(0, 184, 148, 0.1));
      box-shadow: 0 0 12px rgba(0, 184, 148, 0.2);
    }

    .taskbar-windows {
      display: flex;
      gap: 3px;
      flex: 1;
      overflow-x: auto;
      padding: 0 4px;
    }

    .taskbar-windows::-webkit-scrollbar { height: 0; }

    .taskbar-btn {
      display: flex;
      align-items: center;
      gap: 4px;
      padding: 2px 8px;
      height: 24px;
      background: var(--overlay-subtle);
      border: 1px solid transparent;
      border-radius: 4px;
      color: var(--muted);
      font-size: 10px;
      cursor: pointer;
      white-space: nowrap;
      transition: all 0.12s;
      font-family: inherit;
    }

    .taskbar-btn:hover {
      background: var(--overlay-active);
      color: var(--text);
    }

    .taskbar-btn.taskbar-active {
      background: var(--overlay-hover);
      border-bottom: 2px solid var(--tb-accent, var(--accent));
      color: var(--text);
    }

    .taskbar-btn.taskbar-focused {
      background: var(--accent-faint);
      border-color: var(--accent-light);
      border-bottom: 2px solid var(--tb-accent, var(--accent));
    }

    .taskbar-btn.taskbar-minimized {
      opacity: 0.5;
    }

    .taskbar-btn-icon {
      font-size: 11px;
    }

    .taskbar-btn-label {
      max-width: 100px;
      overflow: hidden;
      text-overflow: ellipsis;
    }

    .taskbar-tray {
      display: flex;
      align-items: center;
      gap: 4px;
      flex-shrink: 0;
      margin-left: auto;
    }

    .taskbar-tray-btn {
      width: 26px;
      height: 24px;
      border: none;
      border-radius: 4px;
      background: var(--overlay-subtle);
      color: var(--muted);
      font-size: 13px;
      cursor: pointer;
      display: flex;
      align-items: center;
      justify-content: center;
      transition: background 0.12s;
    }

    .taskbar-tray-btn:hover {
      background: var(--overlay-active);
      color: var(--text);
    }

    .taskbar-separator {
      width: 1px;
      height: 18px;
      background: var(--border);
      margin: 0 4px;
    }

    .taskbar-clock {
      font-size: 11px;
      color: var(--muted);
      font-family: 'Courier New', monospace;
      letter-spacing: 0.5px;
      padding: 0 6px;
      min-width: 65px;
      text-align: right;
    }

    /* ── Start Menu ── */
    .wm-start-menu {
      position: absolute;
      bottom: 34px;
      left: 4px;
      width: 200px;
      background: var(--bg-card);
      border: 1px solid var(--border);
      border-radius: 6px;
      box-shadow: 0 6px 24px var(--card-shadow);
      padding: 4px;
      z-index: 10003;
      backdrop-filter: blur(16px);
      animation: startMenuOpen 0.15s ease-out;
    }

    @keyframes startMenuOpen {
      from { opacity: 0; transform: translateY(8px) scale(0.96); }
      to   { opacity: 1; transform: translateY(0) scale(1); }
    }

    .wm-start-item {
      display: flex;
      align-items: center;
      gap: 8px;
      width: 100%;
      padding: 6px 10px;
      border: none;
      border-radius: 4px;
      background: transparent;
      color: var(--text);
      font-size: 11px;
      cursor: pointer;
      text-align: left;
      font-family: inherit;
      transition: background 0.1s;
    }

    .wm-start-item:hover {
      background: var(--overlay-active);
    }

    .wm-start-icon {
      font-size: 14px;
      width: 20px;
      text-align: center;
    }

    .wm-start-label {
      flex: 1;
    }

    .wm-start-status {
      font-size: 8px;
      color: var(--accent);
    }

    .wm-start-sep {
      height: 1px;
      background: var(--border-subtle);
      margin: 4px 8px;
    }

    /* ── Workbench window adjustments ── */
    /* Hide redundant close button and title from workbench header when windowed */
    body.windowed-layout #workbench-header .danger:last-child {
      display: none;
    }
    body.windowed-layout #workbench-header h2 {
      display: none;
    }
    body.windowed-layout #workbench-header {
      padding: 6px 12px;
    }

    /* Hide redundant help panel header close button when windowed */
    body.windowed-layout .help-panel-header .help-nav-btn:last-child {
      display: none;
    }

    /* Tree container fills window body fully — no interior border */
    body.windowed-layout .tree-container {
      max-height: none !important;
      height: 100%;
      border: none;
      border-radius: 0;
      background: transparent;
      padding: 8px 10px;
    }

    /* Detail panels lose their card-style border inside windows */
    body.windowed-layout .detail-panel {
      border: none;
      border-radius: 0;
      background: transparent;
      margin-bottom: 2px;
    }

    /* Detail view scrolls naturally in window body */
    body.windowed-layout #detail-view {
      max-height: none;
      overflow-y: auto;
    }

    /* ── Responsive: Mobile windowing ── */
    /* Covers phones in portrait (≤768px) AND touch devices such as large phones
       in landscape and iPad-sized screens up to 1024px wide (pointer: coarse). */
    @media (max-width: 768px), (max-width: 1024px) and (pointer: coarse) {
      /* Remove body padding so windows reach screen edges */
      body.windowed-layout {
        padding: 0 !important;
        padding-top: 0 !important;
        overflow-x: hidden;
      }

      /* Header needs safe-area padding instead */
      body.windowed-layout header {
        padding-left: max(8px, env(safe-area-inset-left, 0px));
        padding-right: max(8px, env(safe-area-inset-right, 0px));
        margin-bottom: 0;
        min-height: 44px;
      }

      body.windowed-layout .layout {
        height: auto !important; /* JS _syncDesktopHeight is skipped on mobile; CSS wins */
        overflow: hidden auto;   /* x: hidden (no stray h-scroll), y: allow scroll */
        -webkit-overflow-scrolling: touch;
        padding-bottom: calc(60px + env(safe-area-inset-bottom, 0px)); /* taskbar + home indicator */
        width: 100vw;
        max-width: 100vw;
      }

      /* Windows become full-width stacked cards */
      .app-window {
        position: relative !important;
        left: 0 !important;
        top: auto !important;
        width: 100% !important;
        max-width: 100vw !important;
        height: auto !important;
        min-height: 0 !important;
        border-radius: 0;
        margin-bottom: 2px;
        border-left: none;
        border-right: none;
        overflow: hidden;
      }

      /* Portrait phones/tablets: keep visible side outlines and a tiny gutter */
      @media (orientation: portrait) {
        body.windowed-layout .layout {
          width: 100% !important;
          max-width: 100% !important;
          padding-left: max(6px, env(safe-area-inset-left, 0px));
          padding-right: max(6px, env(safe-area-inset-right, 0px));
          box-sizing: border-box;
        }

        .app-window {
          width: 100% !important;
          max-width: 100% !important;
          border-left: 1px solid var(--border);
          border-right: 1px solid var(--border);
          border-radius: 8px;
          margin-bottom: 6px;
        }
      }

      .app-window.win-closed,
      .app-window.win-minimized {
        display: none !important;
      }

      /* Give window bodies a reasonable height on mobile */
      .app-window .window-body {
        max-height: 75vh;
        overflow-y: auto;
        overflow-x: hidden;
        -webkit-overflow-scrolling: touch;
        padding-left: max(4px, env(safe-area-inset-left, 0px));
        padding-right: max(4px, env(safe-area-inset-right, 0px));
      }

      /* Ensure inner content doesn't overflow horizontally */
      .app-window .window-body > * {
        max-width: 100%;
        overflow-x: auto;
      }

      /* Titlebar: no drag cursor, auto height so buttons aren't clipped by height: 26px */
      .window-titlebar {
        cursor: default;
        height: auto !important;
        min-height: 48px;
        padding: 6px 8px 6px 12px;
        -webkit-user-select: none;
        user-select: none;
      }

      /* Larger window control buttons for touch */
      .win-btn {
        width: 44px;
        height: 44px;
        font-size: 18px;
        min-width: 44px;
        min-height: 44px; /* Ensure tap target meets 44px minimum even with button { min-height } override */
        padding: 0; /* override general button { padding: 10px 16px } from mobile styles */
        touch-action: manipulation;
      }

      .win-btn:active {
        background: var(--overlay-active);
        color: var(--text);
      }

      .win-close:active {
        background: rgba(192, 57, 43, 0.6) !important;
        color: #fff !important;
      }

      /* Hide maximize — not useful on mobile stacked layout */
      .win-maximize {
        display: none;
      }

      .resize-handle {
        display: none !important;
      }

      /* Snap preview never shown on mobile */
      .snap-preview {
        display: none !important;
      }

      /* ── Taskbar mobile ── */
      /* Keep start + tray pinned; only the window-button strip scrolls */
      .window-taskbar {
        height: calc(52px + env(safe-area-inset-bottom, 0px));
        padding: 4px 6px;
        padding-bottom: calc(4px + env(safe-area-inset-bottom, 0px));
        padding-left: max(6px, env(safe-area-inset-left, 0px));
        padding-right: max(6px, env(safe-area-inset-right, 0px));
        gap: 4px;
        flex-wrap: nowrap;
        overflow: visible; /* outer bar must NOT scroll — inner .taskbar-windows handles it */
      }

      .taskbar-start {
        flex-shrink: 0;
      }

      .taskbar-start-btn {
        min-width: 44px;
        height: 44px;
        font-size: 18px;
        flex-shrink: 0;
        touch-action: manipulation;
      }

      .taskbar-windows {
        overflow-x: auto;
        overflow-y: hidden;
        -webkit-overflow-scrolling: touch;
        flex: 1;
        min-width: 0; /* allow shrinking below content size so tray stays visible */
      }

      .taskbar-btn {
        height: 40px;
        padding: 0 10px;
        font-size: 11px;
        flex-shrink: 0;
        min-width: 0;
        touch-action: manipulation;
      }

      .taskbar-btn:active {
        background: var(--overlay-active);
        color: var(--text);
      }

      .taskbar-btn-icon {
        font-size: 14px;
      }

      .taskbar-btn-label {
        max-width: 70px;
        overflow: hidden;
        text-overflow: ellipsis;
        white-space: nowrap;
      }

      /* Hide tile/cascade/reset — these actions don't apply to mobile stacked layout */
      .taskbar-tray-btn {
        display: none !important;
      }

      .taskbar-tray {
        flex-shrink: 0;
        gap: 0;
      }

      .taskbar-separator {
        display: none;
      }

      .taskbar-clock {
        display: none;
      }

      /* ── Start menu mobile: full-width bottom sheet ── */
      .wm-start-menu {
        position: fixed;
        bottom: 52px;
        left: 0;
        right: 0;
        width: auto;
        max-height: 60vh;
        overflow-y: auto;
        -webkit-overflow-scrolling: touch;
        border-radius: 12px 12px 0 0;
        border-bottom: none;
        animation: startMenuOpenMobile 0.2s ease-out;
      }

      @keyframes startMenuOpenMobile {
        from { opacity: 0; transform: translateY(20px); }
        to   { opacity: 1; transform: translateY(0); }
      }

      .wm-start-item {
        padding: 12px 16px;
        font-size: 14px;
        gap: 12px;
        min-height: 44px;
      }

      .wm-start-icon {
        font-size: 20px;
        width: 28px;
      }

      .wm-start-status {
        font-size: 10px;
      }

      /* ── App window split-panes: stack vertically ── */
      .ref-window-container {
        flex-direction: column;
      }

      .ref-window-tree {
        width: 100% !important;
        max-height: 35vh;
        border-right: none;
        border-bottom: 1px solid rgba(255,255,255,0.1);
      }

      .ref-window-detail {
        min-height: 40vh;
      }

      /* JSN Lookup app */
      .jsn-app-container {
        flex-direction: column;
      }

      .jsn-app-nav {
        width: 100% !important;
        min-width: 0;
        max-height: 30vh;
        border-right: none;
        border-bottom: 1px solid rgba(255,255,255,0.1);
      }

      .jsn-app-detail {
        min-height: 40vh;
      }

      /* ── Reel Recorder window on mobile ──
         Desktop relies on position:absolute;inset:0 inside a sized window, but
         on mobile the height:auto flex chain makes Safari collapse every layer.
         Bypass the whole chain: pull the shell out of absolute positioning and
         give it a direct concrete height so it flows naturally. */
      /* ── Reel Recorder: force content to expand on mobile ──
         Desktop uses position:absolute;inset:0 which doesn't work when
         the window has height:auto. Switch to a simple flow layout with
         an explicit height so all flex children (controls, canvas,
         transport) render at their natural sizes. */
      [data-win-id^="reel-viz-"] .window-body {
        overflow: visible !important;
        max-height: none !important;
        height: auto !important;
      }
      [data-win-id^="reel-viz-"] .dynamic-window-content {
        height: auto !important;
        overflow: visible !important;
        padding: 0 !important;
      }
      [data-win-id^="reel-viz-"] .reel-viz-shell {
        position: relative !important;
        inset: auto !important;
        height: min(420px, 72vh) !important;
        display: flex !important;
        flex-direction: column !important;
        overflow: hidden !important;
      }
      [data-win-id^="reel-viz-"] .reel-viz-wrap {
        flex: 1 1 0 !important;
        min-height: 0 !important;
        display: flex !important;
        flex-direction: column !important;
        overflow: hidden !important;
      }
      [data-win-id^="reel-viz-"] .reel-viz-deck {
        flex: 1 1 0 !important;
        min-height: 80px !important;
      }
      [data-win-id^="reel-viz-"] .reel-viz-controls {
        flex-shrink: 0 !important;
      }
      [data-win-id^="reel-viz-"] .reel-viz-transport {
        flex-shrink: 0 !important;
      }
      [data-win-id^="reel-viz-"] .reel-viz-footer {
        flex-shrink: 0 !important;
      }

      /* ── Reel controls: compact on mobile ── */
      .reel-viz-controls-row {
        gap: 3px !important;
      }
      .reel-viz-select {
        font-size: 0.68rem !important;
        min-width: 70px !important;
      }
      .reel-viz-btn {
        font-size: 0.68rem !important;
        padding: 3px 4px !important;
      }

      /* ── Transcript window on mobile ── */
      [data-win-id^="reel-transcript-"] .window-body {
        overflow: visible !important;
        max-height: none !important;
        height: auto !important;
      }
      [data-win-id^="reel-transcript-"] .dynamic-window-content {
        height: auto !important;
        overflow: visible !important;
        padding: 0 !important;
      }
      [data-win-id^="reel-transcript-"] .reel-tx-win {
        position: relative !important;
        inset: auto !important;
        min-height: 200px;
        max-height: 60vh;
      }

      /* ── Note editor: compact toolbar on mobile ── */
      .note-editor-toolbar {
        flex-wrap: wrap;
        gap: 1px;
        padding: 3px 2px;
      }
      .note-tb-btn {
        padding: 6px 7px;
        font-size: 0.9rem;
        min-width: 36px;
        min-height: 36px;
        display: inline-flex;
        align-items: center;
        justify-content: center;
      }
      .note-tb-sep {
        height: 12px;
        margin: 0 2px;
      }
      .un-tags-inline-row {
        padding: 2px 4px 4px;
      }
    }

    /* ── Detail window bar (Open in Window) ── */
    .detail-window-bar {
      display: flex;
      justify-content: flex-end;
      align-items: center;
      gap: 6px;
      padding: 2px 4px 3px;
    }

    .detail-window-hint {
      font-size: 0.62rem;
      color: rgba(255,255,255,0.2);
      font-style: italic;
    }

    .detail-window-btn {
      padding: 2px 8px;
      font-size: 0.68rem;
      background: transparent;
      border: 1px solid var(--border-subtle);
      color: var(--muted);
      border-radius: 3px;
      cursor: pointer;
      transition: all 0.15s;
    }

    .detail-window-btn:hover {
      color: var(--text);
      border-color: var(--border);
      background: var(--overlay-hover);
    }

    /* ── Dynamic window content ── */
    .dynamic-window-content {
      padding: 4px 6px;
    }

    /* Accent icon glow on focused window titlebar */
    .win-focused .window-icon {
      filter: drop-shadow(0 0 4px rgba(255,255,255,0.2));
    }

    /* Window title shows accent color when set */
    .window-titlebar[style*="--win-accent"] .window-title {
      color: var(--win-accent);
      opacity: 0.8;
    }
    .win-focused .window-titlebar[style*="--win-accent"] .window-title {
      opacity: 1;
    }

    /* ── Tasks Hub Node System ── */
    .tasks-hub {
      padding: 2px 0;
    }

    .hub-disc-row {
      padding: 4px 8px 4px 6px;
      border-left: 2px solid transparent;
      transition: background 0.12s;
    }

    .hub-disc-row:hover {
      background: rgba(255,255,255,0.04);
    }

    .hub-disc-row.hub-expanded {
      border-left-color: #27ae60;
      background: rgba(39,174,96,0.06);
    }

    .hub-disc-info {
      display: flex;
      align-items: center;
      gap: 5px;
      cursor: pointer;
    }

    .hub-disc-toggle {
      font-size: 9px;
      color: var(--muted);
      width: 12px;
      flex-shrink: 0;
    }

    .hub-disc-name {
      font-size: 0.78rem;
      color: var(--text);
      flex: 1;
    }

    .hub-disc-count {
      font-size: 0.65rem;
      color: var(--muted);
      background: rgba(255,255,255,0.04);
      padding: 1px 5px;
      border-radius: 3px;
      font-variant-numeric: tabular-nums;
    }

    .hub-disc-bar {
      height: 2px;
      background: rgba(255,255,255,0.06);
      border-radius: 1px;
      margin: 2px 0 1px 17px;
      overflow: hidden;
    }

    .hub-disc-bar-fill {
      height: 100%;
      background: #27ae60;
      border-radius: 1px;
      transition: width 0.3s;
    }

    /* ── Discipline Node Bar (inside expanded disc window) ── */
    .task-disc-node-bar {
      display: flex;
      gap: 4px;
      padding: 3px 6px;
      border-bottom: 1px solid rgba(255,255,255,0.05);
    }

    .task-child-btn {
      padding: 2px 7px;
      font-size: 0.68rem;
      background: transparent;
      border: 1px solid rgba(255,255,255,0.08);
      color: var(--muted);
      border-radius: 3px;
      cursor: pointer;
      transition: all 0.12s;
    }

    .task-child-btn:hover {
      background: rgba(255,255,255,0.05);
      border-color: rgba(255,255,255,0.15);
      color: var(--text);
    }

    /* ── Child Note Node ── */
    .task-child-note {
      height: 100%;
    }

    .task-child-textarea {
      width: 100%;
      height: 100%;
      background: transparent;
      color: var(--text);
      border: none;
      resize: none;
      font-family: inherit;
      font-size: 0.8rem;
      padding: 6px 8px;
      line-height: 1.5;
    }

    .task-child-textarea:focus {
      outline: none;
    }

    .task-child-textarea::placeholder {
      color: rgba(255,255,255,0.2);
    }

    /* ── Child Photo Node ── */
    .task-child-photo {
      padding: 4px;
      height: 100%;
    }

    .task-child-photo img {
      width: 100%;
      height: auto;
      display: block;
    }

    .task-child-photo-clear {
      display: block;
      width: 100%;
      margin-top: 4px;
      padding: 2px 0;
      background: transparent;
      border: 1px solid rgba(255,255,255,0.08);
      color: var(--muted);
      font-size: 0.68rem;
      border-radius: 3px;
      cursor: pointer;
    }

    .task-child-photo-clear:hover {
      background: rgba(192,57,43,0.15);
      border-color: rgba(192,57,43,0.3);
      color: #e74c3c;
    }

    .photo-drop-zone {
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: center;
      gap: 4px;
      min-height: 80px;
      height: calc(100% - 8px);
      border: 1.5px dashed rgba(255,255,255,0.12);
      border-radius: 4px;
      color: var(--muted);
      font-size: 0.75rem;
      cursor: pointer;
      transition: all 0.15s;
    }

    .photo-drop-zone:hover,
    .photo-drop-zone.drag-over {
      border-color: rgba(66,165,245,0.5);
      background: rgba(66,165,245,0.04);
    }

    /* ═══════════════════════════════════════════════════════════════
       NOTES FEATURE
       ═══════════════════════════════════════════════════════════════ */

    /* ── Notes Overview (Hub) ── */
    .notes-overview {
      padding: 16px;
    }
    .notes-overview-header {
      display: flex;
      align-items: center;
      justify-content: space-between;
      margin-bottom: 16px;
    }
    .notes-overview-header h3 {
      margin: 0;
      font-size: 1rem;
      font-weight: 600;
    }
    .note-add-btn {
      background: rgba(249,168,37,0.12);
      color: #f9a825;
      border: 1px solid rgba(249,168,37,0.25);
      border-radius: 6px;
      padding: 5px 14px;
      font-size: 0.8rem;
      cursor: pointer;
      transition: all 0.15s;
    }
    .note-add-btn:hover {
      background: rgba(249,168,37,0.22);
      border-color: rgba(249,168,37,0.4);
    }
    .notes-overview-empty {
      text-align: center;
      padding: 32px 16px;
      color: var(--muted);
    }
    .notes-overview-empty p:first-child {
      font-size: 0.95rem;
      margin-bottom: 8px;
    }
    .notes-list {
      display: flex;
      flex-direction: column;
      gap: 6px;
    }
    .notes-list-item {
      background: rgba(255,255,255,0.03);
      border: 1px solid rgba(255,255,255,0.08);
      border-radius: 8px;
      padding: 10px 14px;
      cursor: pointer;
      transition: all 0.15s;
    }
    .notes-list-item:hover {
      background: rgba(249,168,37,0.06);
      border-color: rgba(249,168,37,0.2);
    }
    .notes-list-item-title {
      font-weight: 500;
      font-size: 0.88rem;
      margin-bottom: 4px;
    }
    .notes-list-item-meta {
      display: flex;
      align-items: center;
      gap: 10px;
      font-size: 0.72rem;
      color: var(--muted);
    }
    .notes-list-chip-badge {
      color: #f9a825;
    }
    /* Download / export button on each note row */
    .un-export-btn {
      margin-left: auto;
      background: transparent;
      border: none;
      color: var(--muted);
      font-size: 13px;
      cursor: pointer;
      padding: 0 2px;
      line-height: 1;
      opacity: 0;
      transition: opacity 0.12s;
      min-height: 0;
      min-width: 0;
    }
    .notes-list-item:hover .un-export-btn,
    .notes-list-item:focus-within .un-export-btn {
      opacity: 0.6;
    }
    .un-export-btn:hover {
      opacity: 1 !important;
      color: var(--accent);
    }
    /* Always visible on touch devices */
    @media (pointer: coarse) {
      .un-export-btn { opacity: 0.5; }
    }
    .notes-list-item-preview {
      font-size: 0.78rem;
      color: var(--muted);
      margin-top: 4px;
      overflow: hidden;
      text-overflow: ellipsis;
      white-space: nowrap;
    }

    /* ── Note Editor ── */
    .note-editor {
      display: flex;
      flex-direction: column;
      height: 100%;
      padding: 12px;
      gap: 8px;
      overflow-y: auto;
    }
    .note-editor-empty {
      padding: 32px;
      text-align: center;
      color: var(--muted);
    }
    .note-editor-title-row {
      flex-shrink: 0;
    }
    .note-editor-title {
      width: 100%;
      background: transparent;
      border: none;
      border-bottom: 1px solid var(--user-note-divider);
      color: var(--text);
      font-size: 1.15rem;
      font-weight: 600;
      padding: 4px 0 6px;
      outline: none;
      font-family: inherit;
    }
    .note-editor-title:focus {
      border-bottom-color: #f9a825;
    }
    .note-editor-title::placeholder {
      color: var(--muted);
      opacity: 0.5;
    }

    /* ── Note Editor Toolbar ── */
    .note-editor-toolbar {
      display: flex;
      align-items: center;
      gap: 1px;
      flex-shrink: 0;
      padding: 0;
      border-bottom: 1px solid var(--user-note-divider);
    }
    .note-tb-btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 4px;
      height: 24px;
      min-width: 24px;
      padding: 0 6px;
      background: transparent;
      border: 1px solid transparent;
      color: var(--text);
      opacity: 0.76;
      font-size: 0.88rem;
      line-height: 1;
      border-radius: 5px;
      cursor: pointer;
      transition: background 0.12s, border-color 0.12s, color 0.12s, opacity 0.12s;
      font-family: inherit;
      font-weight: 500;
    }
    .note-tb-btn:hover {
      opacity: 1;
      background: var(--overlay-active);
      border-color: rgba(124,77,255,0.18);
      color: var(--text-primary);
    }
    .note-tb-btn--icon {
      width: 24px;
      padding: 0;
    }
    .note-tb-btn--label {
      min-width: 0;
      padding: 0 7px 0 6px;
      font-size: 0.76rem;
      font-weight: 600;
      white-space: nowrap;
    }
    .note-tb-glyph {
      display: inline-flex;
      width: 16px;
      height: 16px;
      align-items: center;
      justify-content: center;
      line-height: 1;
    }
    .note-tb-icon {
      width: 17px;
      height: 17px;
      display: block;
      flex-shrink: 0;
      stroke: currentColor;
    }
    .note-tb-glyph .note-tb-icon {
      width: 16px;
      height: 16px;
    }
    .note-tb-btn strong,
    .note-tb-btn em {
      font-size: 0.86rem;
      font-weight: 650;
      line-height: 1;
    }
    .note-tb-btn--danger {
      opacity: 0.42;
    }
    .note-tb-btn--danger:hover {
      color: #ef9a9a;
      border-color: rgba(239,83,80,0.28);
      background: rgba(239,83,80,0.12);
    }
    .note-tb-btn .un-tb-hl {
      display: inline-block;
      padding: 1px 3px;
      border-radius: 3px;
      background: var(--warning-yellow-faint);
      color: var(--warning-yellow);
      font-size: 0.66rem;
      line-height: 1.1;
      font-weight: 700;
      letter-spacing: 0;
    }
    .note-tb-sep {
      width: 1px;
      height: 14px;
      background: var(--user-note-divider);
      margin: 0 3px;
      flex-shrink: 0;
    }
    /* ── Toolbar overflow "Blocks" dropdown ── */
    .un-tb-more-wrap {
      position: relative;
      display: inline-flex;
    }
    .note-tb-more-btn {
      opacity: 0.72;
      border: 1px solid var(--user-note-control-border) !important;
      border-radius: 4px !important;
    }
    .note-tb-more-btn:hover {
      opacity: 1;
      border-color: var(--user-note) !important;
    }
    .un-tb-more-menu {
      display: none;
      position: absolute;
      top: calc(100% + 4px);
      left: 0;
      z-index: 500;
      background: var(--dialog-bg);
      border: 1px solid var(--border);
      border-radius: 8px;
      box-shadow: 0 6px 20px rgba(0,0,0,0.25);
      padding: 4px;
      min-width: 140px;
      flex-direction: column;
      gap: 2px;
    }
    .un-tb-more-menu.un-tb-more-open {
      display: flex;
    }
    .un-tb-more-item {
      background: transparent;
      border: none;
      color: var(--text);
      font-size: 0.82rem;
      font-family: inherit;
      padding: 7px 12px;
      border-radius: 5px;
      cursor: pointer;
      text-align: left;
      opacity: 0.85;
      transition: background 0.1s, opacity 0.1s;
      white-space: nowrap;
    }
    .un-tb-more-item:hover {
      background: var(--overlay-active);
      opacity: 1;
    }
    .un-quick-tags-row {
      display: flex;
      align-items: center;
      gap: 6px;
      flex-wrap: wrap;
      margin-top: -1px;
      padding: 2px 0 6px;
      border-bottom: 1px solid var(--user-note-divider);
    }
    .un-quick-tags-label {
      font-size: 0.68rem;
      letter-spacing: 0.05em;
      text-transform: uppercase;
      color: var(--muted);
      margin-right: 2px;
    }
    .un-quick-tags-hint {
      margin-left: auto;
      font-size: 0.68rem;
      color: var(--user-note-placeholder);
      cursor: default;
    }
    .un-quick-tag-btn {
      border: 1px solid var(--user-note-control-border);
      background: var(--overlay-subtle);
      color: var(--text);
      border-radius: 999px;
      padding: 3px 9px;
      font-size: 0.72rem;
      line-height: 1.25;
      cursor: pointer;
      transition: border-color 0.12s, background 0.12s;
    }
    .un-quick-tag-btn:hover {
      border-color: var(--user-note);
      background: var(--user-note-faint);
    }
    .un-quick-tag-btn--todo {
      border-color: rgba(90, 200, 120, 0.4);
    }
    .un-quick-tag-btn--important {
      border-color: rgba(255, 190, 70, 0.42);
    }
    .un-quick-tag-btn--question {
      border-color: rgba(90, 170, 255, 0.42);
    }
    .un-quick-tag-btn--contact {
      border-color: rgba(188, 125, 255, 0.42);
    }

    /* ── Note Blocks ── */
    .note-editor-blocks {
      flex: 1;
      display: flex;
      flex-direction: column;
      gap: 4px;
      min-height: 120px;
    }
    .note-block {
      position: relative;
      border-radius: 6px;
      transition: background 0.12s;
    }
    .note-block:hover {
      background: var(--overlay-subtle);
    }
    .note-block-actions {
      position: absolute;
      top: 2px;
      right: 2px;
      display: none;
      gap: 1px;
      z-index: 1;
    }
    .note-block:hover .note-block-actions {
      display: flex;
    }
    .note-block-btn {
      background: rgba(0,0,0,0.4);
      border: none;
      color: var(--muted);
      font-size: 0.7rem;
      width: 20px;
      height: 20px;
      border-radius: 3px;
      cursor: pointer;
      display: flex;
      align-items: center;
      justify-content: center;
      transition: color 0.12s;
    }
    .note-block-btn:hover {
      color: var(--text);
    }
    .note-block-btn-del:hover {
      color: #ef5350;
    }

    /* Text block */
    .note-block-text {
      min-height: 28px;
      padding: 6px 8px;
      font-size: 0.85rem;
      line-height: 1.55;
      color: var(--text);
      outline: none;
      border-radius: 4px;
      word-break: break-word;
    }
    .note-block-text:empty::before {
      content: attr(placeholder);
      color: var(--muted);
      opacity: 0.4;
      pointer-events: none;
    }
    .note-block-text:focus {
      background: var(--overlay-subtle);
    }

    /* Heading block */
    .note-block-heading {
      font-size: 1.1rem;
      font-weight: 600;
      padding: 6px 8px;
      outline: none;
      border-radius: 4px;
      color: var(--text);
    }
    .note-block-heading:empty::before {
      content: attr(placeholder);
      color: var(--muted);
      opacity: 0.4;
      pointer-events: none;
    }
    .note-block-heading:focus {
      background: var(--overlay-subtle);
    }

    /* Divider block */
    .note-block-divider {
      border: none;
      border-top: 1px solid var(--user-note-divider);
      margin: 8px 0;
    }

    /* Checklist block */
    .note-checklist {
      display: flex;
      flex-direction: column;
      gap: 2px;
      padding: 4px 0;
    }
    .note-check-row {
      display: flex;
      align-items: center;
      gap: 6px;
      padding: 2px 8px;
      border-radius: 4px;
    }
    .note-check-row:hover {
      background: var(--overlay-subtle);
    }
    .note-check-box {
      flex-shrink: 0;
      accent-color: #f9a825;
    }
    .note-check-text {
      flex: 1;
      font-size: 0.82rem;
      outline: none;
      min-height: 20px;
      line-height: 1.4;
    }
    .note-check-done {
      text-decoration: line-through;
      opacity: 0.5;
    }
    .note-check-remove {
      background: none;
      border: none;
      color: var(--muted);
      font-size: 0.7rem;
      cursor: pointer;
      opacity: 0;
      transition: opacity 0.12s;
    }
    .note-check-row:hover .note-check-remove {
      opacity: 0.6;
    }
    .note-check-remove:hover {
      color: #ef5350;
      opacity: 1 !important;
    }
    .note-check-add {
      background: transparent;
      border: none;
      border-bottom: 1px solid var(--user-note-divider);
      color: var(--text);
      font-size: 0.82rem;
      padding: 4px 8px;
      outline: none;
      margin-top: 2px;
      font-family: inherit;
    }
    .note-check-add::placeholder {
      color: var(--muted);
      opacity: 0.4;
    }

    /* Image block */
    .note-image-container {
      padding: 4px;
    }
    .note-block-img {
      max-width: 100%;
      border-radius: 6px;
      display: block;
    }
    .note-img-remove {
      background: rgba(192,57,43,0.12);
      border: 1px solid rgba(192,57,43,0.25);
      color: #e74c3c;
      border-radius: 4px;
      padding: 3px 8px;
      font-size: 0.72rem;
      cursor: pointer;
      margin-top: 4px;
      transition: all 0.12s;
    }
    .note-img-remove:hover {
      background: rgba(192,57,43,0.25);
    }
    .note-img-caption {
      width: 100%;
      background: transparent;
      border: none;
      border-bottom: 1px solid var(--user-note-divider);
      color: var(--muted);
      font-size: 0.78rem;
      padding: 4px 0;
      outline: none;
      margin-top: 4px;
      font-family: inherit;
    }
    .note-img-drop {
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: center;
      gap: 6px;
      min-height: 80px;
      border: 1.5px dashed rgba(249,168,37,0.2);
      border-radius: 6px;
      color: var(--muted);
      font-size: 0.78rem;
      cursor: pointer;
      transition: all 0.15s;
      padding: 16px;
    }
    .note-img-drop:hover,
    .note-img-drop.drag-over {
      border-color: rgba(249,168,37,0.5);
      background: rgba(249,168,37,0.04);
    }

    /* ── Note Editor Footer ── */
    .note-editor-footer {
      flex-shrink: 0;
      padding: 6px 0 0;
      border-top: 1px solid var(--user-note-divider);
    }
    .note-editor-meta {
      font-size: 0.7rem;
      color: var(--muted);
      opacity: 0.6;
    }

    /* ── Note Chips Summary ── */
    .note-chips-summary {
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      gap: 4px;
      padding: 8px 0;
      border-top: 1px solid var(--user-note-divider);
      margin-top: 4px;
    }
    .note-chips-label {
      font-size: 0.72rem;
      color: var(--muted);
      margin-right: 4px;
    }
    .note-chip-tag {
      display: inline-flex;
      align-items: center;
      gap: 4px;
      background: rgba(249,168,37,0.1);
      border: 1px solid rgba(249,168,37,0.2);
      border-radius: 12px;
      padding: 2px 8px 2px 10px;
      font-size: 0.72rem;
      color: #f9a825;
    }
    .note-chip-remove {
      background: none;
      border: none;
      color: rgba(249,168,37,0.6);
      font-size: 0.7rem;
      cursor: pointer;
      padding: 0 2px;
      line-height: 1;
    }
    .note-chip-remove:hover {
      color: #ef5350;
    }

    /* ── Chip Modal ── */
    #note-chip-modal-wrap {
      position: fixed;
      top: 0;
      left: 0;
      right: 0;
      bottom: 0;
      background: rgba(0,0,0,0.5);
      z-index: 9999;
      display: flex;
      align-items: center;
      justify-content: center;
    }
    .note-chip-modal-inner {
      background: var(--dialog-bg);
      border: 1px solid var(--border);
      border-radius: 10px;
      padding: 20px;
      min-width: 320px;
      max-width: 500px;
      max-height: 60vh;
      display: flex;
      flex-direction: column;
      gap: 12px;
    }
    .note-chip-modal-inner h4 {
      margin: 0;
      font-size: 0.95rem;
    }
    .note-chip-task-list {
      overflow-y: auto;
      max-height: 300px;
      display: flex;
      flex-direction: column;
      gap: 4px;
    }
    .note-chip-task-option {
      display: flex;
      align-items: center;
      gap: 8px;
      padding: 6px 8px;
      border-radius: 6px;
      font-size: 0.82rem;
      cursor: pointer;
      transition: background 0.12s;
    }
    .note-chip-task-option:hover {
      background: rgba(255,255,255,0.04);
    }
    .note-chip-task-disc {
      font-size: 0.7rem;
      color: var(--teal);
      background: rgba(128,203,196,0.08);
      padding: 1px 6px;
      border-radius: 8px;
      flex-shrink: 0;
    }
    .note-chip-modal-close {
      align-self: flex-end;
      background: rgba(249,168,37,0.12);
      color: #f9a825;
      border: 1px solid rgba(249,168,37,0.25);
      border-radius: 6px;
      padding: 6px 20px;
      font-size: 0.82rem;
      cursor: pointer;
      transition: all 0.12s;
    }
    .note-chip-modal-close:hover {
      background: rgba(249,168,37,0.22);
    }

    /* ── End Notes Feature ── */

    /* ── User Notes Feature ── */
    .user-notes-overview {
      padding: 16px;
      font-size: 0.85rem;
      overflow-y: auto;
      height: 100%;
    }
    .user-notes-header {
      display: flex;
      align-items: center;
      justify-content: space-between;
      margin-bottom: 14px;
    }
    .user-notes-header h3 {
      margin: 0;
      font-size: 1rem;
      color: var(--user-note);
    }
    .user-notes-status {
      display: flex;
      align-items: center;
      gap: 8px;
      padding: 10px 14px;
      background: var(--user-note-faint);
      border: 1px solid rgba(124,77,255,0.25);
      border-radius: 8px;
      margin-bottom: 14px;
      font-size: 0.82rem;
      color: var(--text-secondary);
    }
    .user-notes-connect-btn {
      background: var(--user-note);
      color: #fff;
      border: none;
      border-radius: 6px;
      padding: 7px 16px;
      font-size: 0.82rem;
      cursor: pointer;
      transition: background 0.15s;
    }
    .user-notes-connect-btn:hover {
      background: #6a3de8;
    }
    .user-notes-folder-bar {
      display: flex;
      align-items: center;
      justify-content: space-between;
      padding: 8px 12px;
      background: var(--user-note-faint);
      border: 1px solid rgba(124,77,255,0.2);
      border-radius: 8px;
      margin-bottom: 14px;
    }
    .user-notes-folder-name {
      display: flex;
      align-items: center;
      gap: 6px;
      font-size: 0.82rem;
      color: var(--text-secondary);
    }
    .user-notes-folder-icon {
      font-size: 1rem;
    }
    .user-notes-disconnect-btn {
      background: none;
      border: 1px solid rgba(124,77,255,0.3);
      color: var(--user-note);
      border-radius: 5px;
      padding: 4px 10px;
      font-size: 0.75rem;
      cursor: pointer;
      transition: background 0.15s;
    }
    .user-notes-disconnect-btn:hover {
      background: rgba(124,77,255,0.12);
    }
    .user-notes-empty {
      text-align: center;
      padding: 28px 14px;
      color: var(--text-secondary);
      font-size: 0.82rem;
      opacity: 0.7;
    }
    .user-notes-list {
      display: flex;
      flex-direction: column;
      gap: 6px;
    }
    .user-notes-card {
      display: flex;
      align-items: center;
      justify-content: space-between;
      padding: 10px 12px;
      background: rgba(124,77,255,0.06);
      border: 1px solid rgba(124,77,255,0.15);
      border-radius: 7px;
      cursor: pointer;
      transition: background 0.15s, border-color 0.15s;
    }
    .user-notes-card:hover {
      background: rgba(124,77,255,0.12);
      border-color: rgba(124,77,255,0.3);
    }
    .user-notes-card-title {
      font-weight: 500;
      font-size: 0.84rem;
      color: var(--text-primary);
    }
    .user-notes-card-meta {
      font-size: 0.72rem;
      color: var(--text-secondary);
      margin-top: 2px;
    }
    .user-notes-card-actions {
      display: flex;
      gap: 4px;
    }
    .user-notes-card-actions button {
      background: none;
      border: none;
      color: var(--text-secondary);
      cursor: pointer;
      padding: 3px 5px;
      border-radius: 4px;
      font-size: 0.8rem;
      transition: background 0.12s, color 0.12s;
    }
    .user-notes-card-actions button:hover {
      background: rgba(124,77,255,0.15);
      color: var(--user-note);
    }
    .user-note-editor {
      display: flex;
      flex-direction: column;
      height: 100%;
      padding: 5px 8px 0;
      gap: 1px;
    }
    /* ── Chrome bar: title + view controls in one thin row ── */
    .un-chrome-bar {
      display: flex;
      align-items: center;
      gap: 1px;
      padding: 0 0 1px;
      flex-shrink: 0;
      border-bottom: 1px solid var(--user-note-divider);
    }
    .un-chrome-bar .note-editor-title {
      flex: 1;
      min-width: 0;
      font-size: 0.88rem;
      font-weight: 600;
      padding: 2px 4px;
      border-bottom: none;
    }
    /* Hide formatting toolbar in canvas mode */
    .user-note-editor[data-canvas-mode] .note-editor-toolbar {
      display: none;
    }
    /* Tags row hidden when empty */
    .un-tags-row-hidden {
      display: none !important;
    }
    .user-note-editor-toolbar {
      display: flex;
      align-items: center;
      gap: 4px;
      flex-wrap: wrap;
    }
    .user-note-editor-toolbar button {
      background: rgba(124,77,255,0.08);
      border: 1px solid rgba(124,77,255,0.18);
      color: var(--text-secondary);
      border-radius: 5px;
      padding: 4px 8px;
      font-size: 0.75rem;
      cursor: pointer;
      transition: background 0.12s, color 0.12s;
    }
    .user-note-editor-toolbar button:hover {
      background: rgba(124,77,255,0.18);
      color: var(--user-note);
    }
    .user-note-title-input {
      background: rgba(0,0,0,0.15);
      border: 1px solid rgba(124,77,255,0.2);
      border-radius: 6px;
      color: var(--text-primary);
      padding: 8px 10px;
      font-size: 0.92rem;
      font-weight: 500;
      outline: none;
      transition: border-color 0.15s;
    }
    .user-note-title-input:focus {
      border-color: var(--user-note);
    }
    .user-note-textarea {
      flex: 1;
      background: var(--user-note-editor-bg);
      border: 1px solid rgba(124,77,255,0.15);
      border-radius: 6px;
      color: var(--text-primary);
      padding: 10px 12px;
      font-family: 'Consolas', 'Monaco', 'Courier New', monospace;
      font-size: 0.82rem;
      line-height: 1.55;
      resize: none;
      outline: none;
      transition: border-color 0.15s;
      tab-size: 2;
    }
    .user-note-textarea:focus {
      border-color: var(--user-note);
    }

    /* ── User Note WYSIWYG Contenteditable Body ── */
    .user-note-body-ce {
      flex: 1;
      background: var(--user-note-editor-bg);
      border: 1px solid rgba(124,77,255,0.15);
      border-radius: 6px;
      padding: 10px 14px;
      overflow-y: auto;
      min-height: 120px;
      font-size: 0.85rem;
      line-height: 1.65;
      color: var(--text);
      outline: none;
      cursor: text;
      word-break: break-word;
      transition: border-color 0.15s;
      position: relative;
    }
    /* ── Canvas mode ── */
    .user-note-body-ce.un-canvas-mode {
      cursor: default;
      min-height: 480px;
      padding: 0;
      overflow: hidden;
      background: var(--panel-bg);
      /* small plus (+) marks as canvas grid */
      background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='20' height='20'%3E%3Cline x1='10' y1='7' x2='10' y2='13' stroke='%23909090' stroke-width='1' stroke-opacity='0.22'/%3E%3Cline x1='7' y1='10' x2='13' y2='10' stroke='%23909090' stroke-width='1' stroke-opacity='0.22'/%3E%3C/svg%3E");
      background-size: 20px 20px;
    }
    body.light-theme .user-note-body-ce.un-canvas-mode {
      background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='20' height='20'%3E%3Cline x1='10' y1='7' x2='10' y2='13' stroke='%23505060' stroke-width='1' stroke-opacity='0.22'/%3E%3Cline x1='7' y1='10' x2='13' y2='10' stroke='%23505060' stroke-width='1' stroke-opacity='0.22'/%3E%3C/svg%3E");
    }
    /* Hint shown when canvas is empty */
    .user-note-body-ce.un-canvas-mode:empty::before {
      content: 'Click anywhere to start writing';
      color: rgba(124,77,255,0.35);
      font-style: italic;
      font-size: 0.85rem;
      pointer-events: none;
      position: absolute;
      top: 50%;
      left: 50%;
      transform: translate(-50%, -50%);
    }
    /* Zoom layer that wraps all canvas blocks — transforms without affecting layout */
    .un-canvas-zoom-layer {
      position: absolute;
      top: 0; left: 0;
      min-width: 100%;
      min-height: 100%;
      transform-origin: 0 0;
      will-change: transform;
    }
    /* Zoom-level badge (shown briefly after zooming) */
    .un-canvas-zoom-badge {
      position: absolute;
      bottom: 8px;
      right: 10px;
      background: rgba(0,0,0,0.52);
      color: rgba(255,255,255,0.8);
      font-size: 0.7rem;
      padding: 2px 8px;
      border-radius: 10px;
      pointer-events: none;
      z-index: 50;
      opacity: 0;
      transition: opacity 0.5s;
      user-select: none;
    }
    .un-canvas-zoom-badge.un-zoom-badge-visible {
      opacity: 1;
      transition: opacity 0s;
    }
    /* Pan cursor states */
    .user-note-body-ce.un-canvas-mode.un-canvas-can-pan { cursor: grab; }
    .user-note-body-ce.un-canvas-mode.un-canvas-panning { cursor: grabbing !important; }
    /* Canvas blocks in document (non-canvas) mode — render as normal flow */
    .user-note-body-ce:not(.un-canvas-mode) .un-canvas-block {
      position: static;
      min-width: unset;
      min-height: unset;
      width: auto !important;
      height: auto !important;
      background: none;
      border: none;
      border-radius: 0;
      box-shadow: none;
      display: block;
      left: auto !important;
      top: auto !important;
    }
    .user-note-body-ce:not(.un-canvas-mode) .un-canvas-block:hover {
      box-shadow: none;
    }
    .user-note-body-ce:not(.un-canvas-mode) .un-canvas-block-handle,
    .user-note-body-ce:not(.un-canvas-mode) .un-canvas-block-del,
    .user-note-body-ce:not(.un-canvas-mode) .un-grip-overlay {
      display: none !important;
    }
    .user-note-body-ce:not(.un-canvas-mode) .un-canvas-block-body {
      padding: 0;
      min-height: unset;
    }
    /* Canvas block (canvas mode) */
    .un-canvas-block {
      position: absolute;
      min-width: 160px;
      min-height: 48px;
      background: var(--panel-elevated);
      border: 1px solid rgba(124,77,255,0.22);
      border-radius: 8px;
      box-shadow: 0 2px 10px rgba(0,0,0,0.18);
      display: flex;
      flex-direction: column;
      transition: box-shadow 0.12s;
    }
    .un-canvas-block:hover {
      box-shadow: 0 4px 18px rgba(124,77,255,0.18);
    }
    .un-canvas-block-dragging {
      opacity: 0.75;
      box-shadow: 0 8px 28px rgba(124,77,255,0.3) !important;
      z-index: 10;
    }
    /* Drag handle bar */
    .un-canvas-block-handle {
      flex-shrink: 0;
      display: flex;
      align-items: center;
      padding: 3px 8px;
      background: rgba(124,77,255,0.08);
      border-radius: 7px 7px 0 0;
      cursor: grab;
      user-select: none;
      font-size: 0.7rem;
      letter-spacing: -1px;
      color: rgba(124,77,255,0.55);
      border-bottom: 1px solid rgba(124,77,255,0.12);
    }
    .un-canvas-block-handle:active { cursor: grabbing; }
    /* Delete button inside handle */
    .un-canvas-block-del {
      background: none;
      border: none;
      color: rgba(124,77,255,0.35);
      font-size: 0.68rem;
      cursor: pointer;
      padding: 0 2px;
      margin-left: auto;
      line-height: 1;
      transition: color 0.12s;
    }
    .un-canvas-block-del:hover { color: #ef5350; }
    /* Editable body */
    .un-canvas-block-body {
      flex: 1;
      padding: 8px 12px;
      outline: none;
      font-size: 0.84rem;
      line-height: 1.6;
      color: var(--text);
      min-height: 40px;
      word-break: break-word;
    }
    .un-canvas-block-body:empty::before {
      content: 'Type something\2026';
      color: var(--muted);
      opacity: 0.5;
      pointer-events: none;
    }
    /* Bounding-box resize grips (8 handles, shown on hover/selected) */
    .un-grip-overlay {
      display: none;
      position: absolute;
      inset: 0;
      pointer-events: none;
      z-index: 6;
    }
    .un-canvas-block:hover .un-grip-overlay,
    .un-canvas-block.un-block-selected .un-grip-overlay {
      display: block;
    }
    .un-grip {
      position: absolute;
      width: 9px;
      height: 9px;
      background: #fff;
      border: 1.5px solid rgba(124,77,255,0.85);
      border-radius: 2px;
      pointer-events: all;
      z-index: 7;
      box-shadow: 0 1px 3px rgba(0,0,0,0.25);
    }
    .un-grip[data-dir="nw"] { top: -5px;           left: -5px;           cursor: nwse-resize; }
    .un-grip[data-dir="n"]  { top: -5px;           left: calc(50% - 5px); cursor: ns-resize;   }
    .un-grip[data-dir="ne"] { top: -5px;           right: -5px;          cursor: nesw-resize; }
    .un-grip[data-dir="e"]  { top: calc(50% - 5px); right: -5px;          cursor: ew-resize;   }
    .un-grip[data-dir="se"] { bottom: -5px;        right: -5px;          cursor: nwse-resize; }
    .un-grip[data-dir="s"]  { bottom: -5px;        left: calc(50% - 5px); cursor: ns-resize;   }
    .un-grip[data-dir="sw"] { bottom: -5px;        left: -5px;           cursor: nesw-resize; }
    .un-grip[data-dir="w"]  { top: calc(50% - 5px); left: -5px;           cursor: ew-resize;   }
    /* When a block has an explicit height, body scrolls */
    .un-canvas-block.un-block-sized .un-canvas-block-body {
      overflow-y: auto;
    }
    .user-note-body-ce:focus {
      border-color: rgba(124,77,255,0.45);
    }
    .user-note-body-ce.un-img-drop {
      border-color: rgba(124,77,255,0.7);
      box-shadow: 0 0 0 2px rgba(124,77,255,0.2) inset;
    }
    /* Placeholder via CSS (shown when CE is empty) */
    .user-note-body-ce:empty::before {
      content: attr(data-placeholder);
      color: var(--user-note-placeholder);
      font-style: italic;
      pointer-events: none;
      position: absolute;
    }
    /* Formatted elements inside the CE */
    .user-note-body-ce .un-h {
      color: var(--user-note);
      line-height: 1.3;
      margin-top: 8px;
      margin-bottom: 2px;
      position: relative;
      padding-left: 14px;
    }
    .user-note-body-ce .un-h::before {
      content: '▾';
      position: absolute;
      left: 0;
      top: 0.02em;
      font-size: 0.68rem;
      color: var(--user-note-heading-toggle);
    }
    .user-note-body-ce .un-h.un-heading-collapsed::before {
      content: '▸';
    }
    .user-note-body-ce .un-fold-hidden {
      display: none !important;
    }
    .user-note-body-ce h2.un-h {
      font-size: 0.95rem;
      font-weight: 600;
      border-bottom: 1px solid rgba(124,77,255,0.18);
      padding-bottom: 3px;
    }
    .user-note-body-ce h3.un-h {
      font-size: 0.82rem;
      font-weight: 600;
      text-transform: uppercase;
      letter-spacing: 0.04em;
      opacity: 0.8;
    }
    .user-note-body-ce mark.un-hl {
      background: var(--warning-yellow-faint);
      color: var(--text);
      border-radius: 3px;
      padding: 0 2px;
    }
    .user-note-body-ce .un-quick-tag {
      display: inline-flex;
      align-items: center;
      gap: 4px;
      border-radius: 999px;
      border: 1px solid rgba(124,77,255,0.3);
      background: rgba(124,77,255,0.13);
      color: var(--text);
      padding: 1px 8px;
      margin: 0 2px;
      font-size: 0.72rem;
      line-height: 1.45;
      white-space: nowrap;
      user-select: none;
    }
    .user-note-body-ce .un-quick-tag--todo {
      border-color: rgba(71, 201, 126, 0.45);
      background: rgba(71, 201, 126, 0.14);
      color: var(--text);
    }
    .user-note-body-ce .un-quick-tag--important {
      border-color: rgba(255, 196, 86, 0.5);
      background: rgba(255, 196, 86, 0.16);
      color: var(--text);
    }
    .user-note-body-ce .un-quick-tag--question {
      border-color: rgba(80, 170, 255, 0.5);
      background: rgba(80, 170, 255, 0.16);
      color: var(--text);
    }
    .user-note-body-ce .un-quick-tag--contact {
      border-color: rgba(201, 135, 255, 0.48);
      background: rgba(201, 135, 255, 0.16);
      color: var(--text);
    }
    .user-note-body-ce .un-hr {
      border: none;
      border-top: 1px solid rgba(124,77,255,0.2);
      margin: 8px 0;
    }
    .user-note-body-ce .un-callout {
      border-left: 3px solid rgba(124,77,255,0.65);
      background: rgba(124,77,255,0.08);
      border-radius: 8px;
      padding: 8px 10px;
      margin: 8px 0;
      display: grid;
      gap: 4px;
    }
    .user-note-body-ce .un-callout-head {
      font-size: 0.7rem;
      letter-spacing: 0.07em;
      text-transform: uppercase;
      color: var(--text-secondary);
      font-weight: 700;
    }
    .user-note-body-ce .un-callout-body {
      color: var(--text);
      line-height: 1.55;
    }
    .user-note-body-ce .un-callout--tip {
      border-left-color: rgba(40, 199, 111, 0.8);
      background: rgba(40, 199, 111, 0.12);
    }
    .user-note-body-ce .un-callout--important {
      border-left-color: rgba(255, 193, 7, 0.88);
      background: rgba(255, 193, 7, 0.14);
    }
    .user-note-body-ce .un-callout--warning {
      border-left-color: rgba(255, 120, 80, 0.9);
      background: rgba(255, 120, 80, 0.14);
    }
    .user-note-body-ce .un-callout--question {
      border-left-color: rgba(80, 170, 255, 0.9);
      background: rgba(80, 170, 255, 0.12);
    }
    .user-note-body-ce .un-code {
      background: var(--code-block-bg);
      border: 1px solid rgba(124,77,255,0.2);
      border-radius: 8px;
      padding: 10px 12px;
      margin: 10px 0;
      overflow-x: auto;
      white-space: pre;
    }
    .user-note-body-ce .un-code code {
      font-family: Consolas, Monaco, "Courier New", monospace;
      font-size: 0.78rem;
      color: var(--code-block-text);
      line-height: 1.55;
      display: block;
    }
    .user-note-body-ce .un-table {
      width: 100%;
      border-collapse: collapse;
      margin: 10px 0;
      border: 1px solid rgba(124,77,255,0.22);
      background: var(--overlay-subtle);
    }
    .user-note-body-ce .un-table th,
    .user-note-body-ce .un-table td {
      border: 1px solid rgba(124,77,255,0.18);
      padding: 6px 8px;
      text-align: left;
      vertical-align: top;
    }
    .user-note-body-ce .un-table th {
      background: rgba(124,77,255,0.14);
      font-weight: 600;
      font-size: 0.78rem;
      color: var(--text-primary);
    }
    .user-note-body-ce .un-table td {
      font-size: 0.8rem;
    }
    .user-note-body-ce .un-attachment {
      display: flex;
      align-items: center;
      gap: 8px;
      flex-wrap: wrap;
      border: 1px solid rgba(124,77,255,0.24);
      background: rgba(124,77,255,0.08);
      border-radius: 8px;
      padding: 7px 9px;
      margin: 8px 0;
      user-select: none;
    }
    .user-note-body-ce .un-attachment-icon {
      opacity: 0.9;
      font-size: 0.85rem;
    }
    .user-note-body-ce .un-attachment-name {
      color: var(--text);
      font-weight: 600;
      font-size: 0.78rem;
      max-width: min(60vw, 360px);
      overflow: hidden;
      text-overflow: ellipsis;
      white-space: nowrap;
    }
    .user-note-body-ce .un-attachment-meta {
      color: var(--muted);
      font-size: 0.72rem;
      margin-right: auto;
    }
    .user-note-body-ce .un-attachment-btn {
      border: 1px solid rgba(124,77,255,0.34);
      background: rgba(124,77,255,0.14);
      color: var(--text);
      border-radius: 6px;
      font-size: 0.7rem;
      line-height: 1.1;
      padding: 5px 7px;
      cursor: pointer;
    }
    .user-note-body-ce .un-attachment-btn:hover {
      border-color: rgba(124,77,255,0.62);
      background: rgba(124,77,255,0.24);
    }
    .user-note-body-ce .un-list {
      list-style: disc;
      padding-left: 18px;
      margin: 3px 0;
    }
    .user-note-body-ce .un-list li {
      margin: 2px 0;
    }
    .user-note-body-ce .un-check-item {
      list-style: none;
      margin-left: -4px;
    }
    .user-note-body-ce .un-check-item label {
      display: flex;
      align-items: baseline;
      gap: 7px;
      cursor: pointer;
      padding: 2px 0;
      user-select: none;
    }
    .user-note-body-ce .un-check-item input[type="checkbox"] {
      accent-color: var(--user-note);
      flex-shrink: 0;
      cursor: pointer;
      width: 14px;
      height: 14px;
      margin-top: 2px;
    }
    /* CSS :has() strikethrough on checked items */
    .user-note-body-ce .un-check-item:has(input:checked) .un-check-text {
      text-decoration: line-through;
      opacity: 0.45;
    }
    .user-note-body-ce .un-check-text {
      flex: 1;
    }
    /* Images inserted into notes */
    .un-figure {
      display: flex;
      flex-direction: column;
      gap: 6px;
      width: 100%;
      margin: 10px 0;
      position: relative;
      overflow: visible;
    }
    .un-figure--left {
      align-items: flex-start;
    }
    .un-figure--center {
      align-items: center;
    }
    .un-figure--right {
      align-items: flex-end;
    }
    .un-figure--tile {
      display: inline-flex;
      width: calc(50% - 10px);
      margin: 8px 5px;
      vertical-align: top;
    }
    .un-img {
      max-width: min(100%, 360px);
      max-height: 320px;
      width: auto;
      height: auto;
      display: block;
      border-radius: 6px;
      margin: 0;
      border: 1px solid rgba(124,77,255,0.15);
      object-fit: contain;
      cursor: pointer;
      transition: border-color 0.15s, box-shadow 0.15s, transform 0.12s;
    }
    .un-img:hover {
      border-color: rgba(124,77,255,0.45);
      box-shadow: 0 0 12px rgba(124,77,255,0.15);
    }
    .un-img-selected {
      border-color: rgba(124,77,255,0.9);
      box-shadow: 0 0 0 2px rgba(124,77,255,0.28);
    }
    /* .un-figure-selected is kept as a DOM marker for click-guard logic */
    .un-figure-selected {
      /* no visual styling here — the overlay handles the selection ring */
    }
    /* Overlay: absolutely positioned and JS-sized to match the img exactly */
    .un-img-select-overlay {
      position: absolute;
      border: 1.5px dashed rgba(124,77,255,0.65);
      border-radius: 5px;
      overflow: visible;
      pointer-events: none; /* pass clicks through to the img; grabbers opt back in */
      z-index: 11;
    }
    .un-img-select-overlay > .un-img-grabber {
      pointer-events: auto;
    }
    .un-img-caption {
      font-size: 0.75rem;
      line-height: 1.4;
      color: var(--muted);
      text-align: center;
      max-width: min(100%, 560px);
      padding: 0 2px;
      word-break: break-word;
    }
    .un-img-note {
      font-size: 0.74rem;
      line-height: 1.45;
      color: var(--text-secondary);
      background: rgba(124,77,255,0.08);
      border: 1px solid rgba(124,77,255,0.16);
      border-radius: 6px;
      padding: 6px 8px;
      max-width: min(100%, 560px);
      word-break: break-word;
    }

    .un-img-inspector {
      position: absolute;
      left: 8px;
      right: 8px;
      bottom: 8px;
      z-index: 12;
      display: flex;
      align-items: center;
      gap: 3px;
      flex-wrap: wrap;
      justify-content: center;
      padding: 6px 8px;
      border-radius: 9px;
      border: 1px solid rgba(124,77,255,0.42);
      background: var(--dialog-bg);
      box-shadow: 0 8px 18px rgba(0,0,0,0.25);
      backdrop-filter: blur(4px);
    }
    .un-img-inspector button {
      border: 1px solid rgba(124,77,255,0.28);
      background: rgba(124,77,255,0.12);
      color: var(--text);
      border-radius: 7px;
      font-size: 0.68rem;
      line-height: 1;
      padding: 5px 8px;
      min-height: 26px;
      cursor: pointer;
      transition: background 0.12s, border-color 0.12s;
      pointer-events: auto;
      white-space: nowrap;
    }
    .un-img-inspector button:hover {
      border-color: rgba(124,77,255,0.65);
      background: rgba(124,77,255,0.22);
    }
    /* Separator between inspector groups */
    .un-img-insp-sep {
      width: 1px;
      height: 18px;
      background: rgba(124,77,255,0.3);
      margin: 0 2px;
      flex-shrink: 0;
    }
    /* Delete button — red tint */
    .un-img-inspector .un-img-insp-del {
      border-color: rgba(239, 83, 80, 0.35);
      background: rgba(239, 83, 80, 0.1);
      color: #ef9a9a;
    }
    .un-img-inspector .un-img-insp-del:hover {
      border-color: rgba(239, 83, 80, 0.7);
      background: rgba(239, 83, 80, 0.22);
      color: #ffcdd2;
    }
    .un-img-move-grabber {
      cursor: grab !important;
      font-size: 0.74rem !important;
      font-weight: 700;
      padding-inline: 8px !important;
    }
    .un-img-grabber {
      position: absolute;
      width: 12px;
      height: 12px;
      border-radius: 50%;
      background: #7c4dff;
      border: 2px solid rgba(255,255,255,0.95);
      box-shadow: 0 0 0 1px rgba(124,77,255,0.35);
      z-index: 13;
      pointer-events: auto;
    }
    .un-img-grabber--nw { left: -6px; top: -6px; cursor: nwse-resize; }
    .un-img-grabber--ne { right: -6px; top: -6px; cursor: nesw-resize; }
    .un-img-grabber--sw { left: -6px; bottom: -6px; cursor: nesw-resize; }
    .un-img-grabber--se { right: -6px; bottom: -6px; cursor: nwse-resize; }
    /* Rotation handle — sits centred above the image */
    .un-img-grabber--rot {
      left: 50%;
      top: -28px;
      transform: translateX(-50%);
      width: 20px;
      height: 20px;
      background: #7c4dff;
      border-color: rgba(255,255,255,0.9);
      cursor: grab;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 0.75rem;
      color: #fff;
      user-select: none;
    }
    .un-img-grabber--rot:active { cursor: grabbing; }
    /* Thin stem connecting rotation handle to the figure */
    .un-img-grabber--rot::after {
      content: '';
      position: absolute;
      left: 50%;
      top: 100%;
      width: 1px;
      height: 14px;
      background: rgba(124,77,255,0.55);
      transform: translateX(-50%);
    }
    /* Cursor affordance: image body is draggable when selected */
    .un-figure-selected img.un-img-selected {
      cursor: grab;
    }
    .un-figure-selected img.un-img-selected:active {
      cursor: grabbing;
    }
    .un-figure-dragging {
      opacity: 0.45;
      transform: scale(0.995);
    }
    .un-img-drop-marker {
      height: 0;
      border-top: 2px dashed rgba(124,77,255,0.8);
      margin: 8px 0;
      border-radius: 3px;
    }
    @media (max-width: 900px) {
      .un-figure--tile {
        width: 100%;
        margin: 8px 0;
      }
      .un-img-inspector {
        left: 6px;
        right: 6px;
        bottom: 6px;
      }
      .un-img-inspector button {
        font-size: 0.62rem;
        min-height: 22px;
        padding: 4px 5px;
      }
      .un-img-insp-sep {
        height: 16px;
      }
    }

    /* ── Image Lightbox ── */
    .un-lightbox-overlay {
      position: fixed;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      background: rgba(0,0,0,0.82);
      z-index: 100000;
      display: flex;
      align-items: center;
      justify-content: center;
      cursor: zoom-out;
      animation: un-lb-fadein 0.15s ease;
    }
    @keyframes un-lb-fadein {
      from { opacity: 0; }
      to { opacity: 1; }
    }
    .un-lightbox-container {
      position: relative;
      max-width: 92vw;
      max-height: 90vh;
      display: flex;
      flex-direction: column;
      align-items: center;
      cursor: default;
    }
    .un-lightbox-img {
      max-width: 92vw;
      max-height: 85vh;
      object-fit: contain;
      border-radius: 8px;
      box-shadow: 0 8px 40px rgba(0,0,0,0.5);
    }
    .un-lightbox-close {
      position: absolute;
      top: -12px;
      right: -12px;
      background: rgba(0,0,0,0.7);
      border: 1px solid rgba(255,255,255,0.2);
      color: #fff;
      width: 32px;
      height: 32px;
      border-radius: 50%;
      font-size: 1.2rem;
      cursor: pointer;
      display: flex;
      align-items: center;
      justify-content: center;
      transition: background 0.12s;
      z-index: 1;
    }
    .un-lightbox-close:hover {
      background: rgba(244,67,54,0.8);
    }
    .un-lightbox-caption {
      margin-top: 10px;
      color: rgba(255,255,255,0.7);
      font-size: 0.82rem;
      text-align: center;
      max-width: 80%;
    }
      flex: 1;
      background: rgba(0,0,0,0.08);
      border: 1px solid rgba(124,77,255,0.15);
      border-radius: 6px;
      padding: 10px 14px;
      overflow-y: auto;
      cursor: text;
      min-height: 100px;
      font-size: 0.85rem;
      line-height: 1.65;
      color: var(--text);
      user-select: text;
      transition: border-color 0.15s;
    }
    .user-note-preview:hover {
      border-color: rgba(124,77,255,0.28);
    }
    .user-note-preview .un-h {
      color: var(--user-note);
      line-height: 1.3;
      margin-top: 10px;
      margin-bottom: 2px;
    }
    .user-note-preview h1.un-h { font-size: 1.05rem; font-weight: 700; }
    .user-note-preview h2.un-h {
      font-size: 0.92rem;
      font-weight: 600;
      border-bottom: 1px solid rgba(124,77,255,0.18);
      padding-bottom: 3px;
    }
    .user-note-preview h3.un-h {
      font-size: 0.82rem;
      font-weight: 600;
      text-transform: uppercase;
      letter-spacing: 0.04em;
      opacity: 0.8;
    }
    .user-note-preview .un-hr {
      border: none;
      border-top: 1px solid rgba(124,77,255,0.2);
      margin: 8px 0;
    }
    .user-note-preview .un-list {
      list-style: disc;
      padding-left: 18px;
      margin: 3px 0;
    }
    .user-note-preview .un-list li {
      margin: 2px 0;
    }
    .user-note-preview .un-list li.un-check-item {
      list-style: none;
      margin-left: -4px;
      padding-left: 0;
    }
    .user-note-preview .un-list li.un-check-item label {
      display: flex;
      align-items: baseline;
      gap: 7px;
      cursor: pointer;
      padding: 2px 0;
    }
    .user-note-preview .un-list li.un-check-item input[type="checkbox"] {
      accent-color: var(--user-note);
      flex-shrink: 0;
      cursor: pointer;
      width: 14px;
      height: 14px;
      margin-top: 2px;
    }
    .user-note-preview .un-check-text {
      flex: 1;
    }
    .user-note-preview .un-check-done {
      text-decoration: line-through;
      opacity: 0.45;
    }
    .user-note-preview .un-p {
      margin: 2px 0;
    }
    .user-note-preview .un-blank {
      height: 7px;
    }
    .user-note-preview .un-placeholder {
      color: var(--muted);
      opacity: 0.5;
      font-style: italic;
    }
    /* Active state for compact user-note toolbar buttons */
    .note-tb-btn--active {
      background: rgba(124,77,255,0.22) !important;
      color: var(--user-note) !important;
      border-color: rgba(124,77,255,0.4) !important;
      opacity: 1 !important;
    }
    .user-note-tags {
      display: flex;
      align-items: center;
      gap: 5px;
      flex-wrap: wrap;
      padding: 4px 0;
    }
    .user-note-tag {
      background: var(--user-note-faint);
      color: var(--user-note);
      border: 1px solid rgba(124,77,255,0.2);
      border-radius: 10px;
      padding: 2px 9px;
      font-size: 0.7rem;
      display: inline-flex;
      align-items: center;
      gap: 4px;
    }
    .user-note-tag .remove-tag {
      cursor: pointer;
      opacity: 0.6;
      transition: opacity 0.12s;
    }
    .user-note-tag .remove-tag:hover {
      opacity: 1;
    }

    /* ── Tags inline row (collapsible, shown by 🏷 toggle) ── */
    .un-tags-inline-row {
      display: flex;
      align-items: center;
      gap: 4px;
      flex-wrap: wrap;
      padding: 2px 2px 3px;
      min-height: 20px;
    }
    /* ── Toolbar spacer pushes right-side actions to far right ── */
    .note-tb-spacer {
      flex: 1;
      min-width: 4px;
    }
    /* ── More-menu divider between quick tags and block types ── */
    .un-tb-more-divider {
      border: none;
      border-top: 1px solid var(--border-subtle, rgba(255,255,255,0.1));
      margin: 2px 8px;
    }
    /* ── User Note Metadata Panel (hidden by default, toggled by gear) ── */
    .un-meta-panel {
      border: 1px solid rgba(124,77,255,0.12);
      border-radius: 6px;
      background: rgba(124,77,255,0.03);
      overflow: hidden;
      margin-bottom: 4px;
      transition: max-height 0.2s ease, opacity 0.15s ease;
    }
    .un-meta-hidden {
      display: none;
    }
    .un-meta-body {
      padding: 6px 10px 10px;
      display: flex;
      flex-direction: column;
      gap: 6px;
    }
    .un-meta-row {
      display: flex;
      align-items: center;
      gap: 8px;
      font-size: 0.78rem;
    }
    .un-meta-label {
      flex-shrink: 0;
      width: 60px;
      font-weight: 600;
      color: var(--muted);
      text-transform: uppercase;
      font-size: 0.68rem;
      letter-spacing: 0.04em;
    }
    .un-meta-value {
      color: var(--text-secondary);
      font-size: 0.78rem;
    }
    .un-meta-tags {
      display: flex;
      align-items: center;
      gap: 4px;
      flex-wrap: wrap;
      flex: 1;
    }
    .un-meta-tag-input {
      background: transparent;
      border: 1px solid rgba(124,77,255,0.18);
      border-radius: 10px;
      color: var(--text);
      padding: 2px 8px;
      font-size: 0.7rem;
      outline: none;
      transition: border-color 0.15s;
    }
    .un-meta-tag-input:focus {
      border-color: var(--user-note);
    }
    .un-meta-select {
      background: var(--overlay-subtle);
      border: 1px solid rgba(124,77,255,0.18);
      border-radius: 5px;
      color: var(--text);
      padding: 3px 8px;
      font-size: 0.78rem;
      outline: none;
      cursor: pointer;
    }
    .un-meta-select:focus {
      border-color: var(--user-note);
    }

    @media (max-width: 900px), (pointer: coarse) {
      .un-chrome-bar .note-editor-title,
      .un-meta-tag-input,
      .un-meta-select,
      .user-note-body-ce {
        font-size: 16px;
      }
    }

    /* ── Folder Management ── */
    .un-folder-action-btn {
      background: transparent;
      border: 1px solid rgba(124,77,255,0.18);
      color: var(--muted);
      border-radius: 5px;
      padding: 2px 7px;
      font-size: 0.72rem;
      cursor: pointer;
      margin-left: auto;
      transition: all 0.12s;
    }
    .un-folder-action-btn:hover {
      background: rgba(124,77,255,0.1);
      color: var(--user-note);
    }
    .un-folder-list {
      display: flex;
      flex-direction: column;
      gap: 2px;
      padding: 4px 0;
    }
    .un-folder-item {
      display: flex;
      align-items: center;
      gap: 6px;
      padding: 3px 8px;
      border-radius: 4px;
      font-size: 0.78rem;
      color: var(--text-secondary);
      transition: background 0.12s;
    }
    .un-folder-item:hover {
      background: rgba(124,77,255,0.06);
    }
    .un-folder-item-icon {
      font-size: 0.85rem;
    }
    .un-folder-item-name {
      flex: 1;
    }
    .un-folder-item-count {
      font-size: 0.7rem;
      color: var(--muted);
      background: rgba(255,255,255,0.05);
      border-radius: 8px;
      padding: 1px 6px;
      min-width: 16px;
      text-align: center;
    }
    .un-folder-item-del {
      background: none;
      border: none;
      color: var(--muted);
      font-size: 0.8rem;
      cursor: pointer;
      opacity: 0;
      transition: opacity 0.12s, color 0.12s;
      padding: 0 4px;
    }
    .un-folder-item:hover .un-folder-item-del {
      opacity: 0.6;
    }
    .un-folder-item-del:hover {
      opacity: 1 !important;
      color: var(--danger, #f44);
    }
    .un-folder-group-header {
      font-size: 0.72rem;
      font-weight: 600;
      color: var(--muted);
      padding: 10px 4px 4px;
      border-top: 1px solid rgba(255,255,255,0.04);
      margin-top: 4px;
    }
    .user-note-link-chip {
      display: inline-flex;
      align-items: center;
      gap: 4px;
      background: rgba(249,168,37,0.12);
      border: 1px solid rgba(249,168,37,0.25);
      color: var(--amber);
      border-radius: 10px;
      padding: 2px 9px;
      font-size: 0.7rem;
      cursor: pointer;
      transition: background 0.12s;
    }
    .user-note-link-chip:hover {
      background: rgba(249,168,37,0.2);
    }
    .user-notes-new-btn {
      background: var(--user-note);
      color: #fff;
      border: none;
      border-radius: 6px;
      padding: 7px 14px;
      font-size: 0.8rem;
      cursor: pointer;
      transition: background 0.15s;
    }
    .user-notes-new-btn:hover {
      background: #6a3de8;
    }
    .user-notes-hub-topbar {
      display: flex;
      align-items: center;
      gap: 4px;
      padding: 5px 8px;
      border-bottom: 1px solid var(--border);
    }
    .user-notes-hub-folder {
      font-size: 0.8rem;
      color: var(--muted);
      flex: 1;
      min-width: 90px;
      overflow: hidden;
      text-overflow: ellipsis;
      white-space: nowrap;
    }
    .user-notes-hub-search-toggle {
      position: relative;
      background: transparent;
      border: none;
      padding: 2px 6px;
      min-width: 26px;
      height: 24px;
      color: var(--text);
      border-radius: 4px;
      cursor: pointer;
      opacity: 0.72;
      line-height: 1;
      transform-origin: center;
      transition: background 0.15s ease, color 0.15s ease, opacity 0.15s ease, transform 0.15s ease, box-shadow 0.15s ease;
    }
    .user-notes-hub-search-toggle:hover {
      background: var(--overlay-active);
      opacity: 1;
    }
    .user-notes-hub-search-toggle.active {
      color: var(--user-note);
      background: var(--user-note-faint);
      box-shadow: inset 0 0 0 1px rgba(124,77,255,0.18);
      opacity: 1;
      transform: scale(1.04);
    }
    .user-notes-hub-search-row {
      padding: 6px 8px 5px;
      border-bottom: 1px solid var(--border);
      overflow: hidden;
      transform-origin: top right;
      animation: userNotesSearchRowIn 0.2s cubic-bezier(0.2, 0.8, 0.2, 1);
    }
    .user-notes-hub-search-shell {
      display: flex;
      align-items: center;
      gap: 6px;
      width: 100%;
      min-height: 30px;
      padding: 0 8px;
      border: 1px solid rgba(124,77,255,0.22);
      border-radius: 6px;
      background: var(--input-bg);
      transform-origin: right center;
      animation: userNotesSearchGrow 0.24s cubic-bezier(0.16, 1, 0.3, 1);
      transition: border-color 0.15s ease, box-shadow 0.15s ease;
    }
    .user-notes-hub-search-shell:focus-within {
      border-color: var(--user-note);
      box-shadow: 0 0 0 2px var(--user-note-faint);
    }
    .user-notes-hub-search-icon {
      color: var(--muted);
      font-size: 0.78rem;
      line-height: 1;
      flex-shrink: 0;
      transform-origin: center;
      animation: userNotesSearchIconSettle 0.24s ease-out;
    }
    .user-notes-hub-search-input {
      flex: 1;
      min-width: 0;
      border: none;
      outline: none;
      background: transparent;
      color: var(--text);
      font-size: 0.8rem;
      padding: 0;
    }
    .user-notes-hub-search-clear {
      width: 18px;
      height: 18px;
      border: none;
      border-radius: 4px;
      background: transparent;
      color: var(--muted);
      cursor: pointer;
      font-size: 0.7rem;
      line-height: 1;
      padding: 0;
      flex-shrink: 0;
    }
    .user-notes-hub-search-clear:hover {
      background: var(--user-note-faint);
      color: var(--text);
    }
    .user-notes-hub-search-clear.is-hidden {
      visibility: hidden;
      pointer-events: none;
    }
    @keyframes userNotesSearchRowIn {
      from {
        opacity: 0;
        max-height: 0;
        transform: translateY(-4px);
      }
      to {
        opacity: 1;
        max-height: 42px;
        transform: translateY(0);
      }
    }
    @keyframes userNotesSearchGrow {
      from {
        opacity: 0;
        transform: scaleX(0.12);
      }
      65% {
        opacity: 1;
        transform: scaleX(1.02);
      }
      to {
        opacity: 1;
        transform: scaleX(1);
      }
    }
    @keyframes userNotesSearchIconSettle {
      from {
        opacity: 0;
        transform: rotate(-12deg) scale(0.7);
      }
      to {
        opacity: 1;
        transform: rotate(0deg) scale(1);
      }
    }
    .user-notes-hub-search-summary {
      display: flex;
      justify-content: space-between;
      gap: 8px;
      padding: 5px 8px 4px;
      color: var(--muted);
      font-size: 0.68rem;
      text-transform: uppercase;
      letter-spacing: 0.06em;
    }
    .user-notes-hub-empty {
      padding: 14px 8px;
      color: var(--muted);
      font-size: 0.8rem;
      text-align: center;
    }
    .user-notes-hub-match {
      display: block;
      margin-top: 1px;
      color: var(--muted);
      font-size: 0.7rem;
      line-height: 1.25;
      overflow: hidden;
      text-overflow: ellipsis;
      white-space: nowrap;
    }
    .user-notes-hub-match mark,
    .user-notes-tree-item mark {
      padding: 0 2px;
      border-radius: 3px;
      background: var(--user-note-faint);
      color: var(--text);
    }
    .user-notes-tree-item {
      display: flex;
      align-items: center;
      gap: 6px;
      padding: 4px 8px;
      border-radius: 5px;
      cursor: pointer;
      font-size: 0.78rem;
      color: var(--text-secondary);
      transition: background 0.12s;
    }
    .user-notes-tree-item:hover {
      background: var(--user-note-faint);
    }
    .user-notes-tree-item .icon {
      color: var(--user-note);
      font-size: 0.85rem;
    }
    .user-notes-tree-folder {
      transition: background 0.12s;
    }
    .user-notes-tree-folder:hover {
      background: var(--user-note-faint);
    }

    /* ── Audio Transcription Panel ── */
    .un-transcribe-slot {
      /* container that holds the panel when open */
    }
    .un-transcribe-panel {
      background: var(--panel-elevated);
      border: 1px solid var(--border);
      border-radius: 8px;
      margin: 6px 8px;
      overflow: hidden;
      font-size: 0.82rem;
      color: var(--text-primary);
      box-shadow: 0 12px 26px var(--card-shadow);
    }
    .un-transcribe-header {
      display: flex;
      align-items: center;
      justify-content: space-between;
      padding: 8px 12px;
      background: var(--user-note-faint);
      border-bottom: 1px solid var(--border-subtle);
    }
    .un-transcribe-title {
      font-weight: 600;
      font-size: 0.85rem;
      color: var(--user-note, #7c4dff);
    }
    .un-transcribe-close {
      background: none;
      border: none;
      color: var(--muted);
      font-size: 1.1rem;
      cursor: pointer;
      padding: 0 4px;
      line-height: 1;
    }
    .un-transcribe-close:hover {
      color: var(--text-primary);
    }
    .un-transcribe-controls {
      display: flex;
      align-items: center;
      gap: 6px;
      padding: 8px 12px;
      flex-wrap: wrap;
    }
    .un-transcribe-btn {
      padding: 5px 12px;
      border-radius: 5px;
      border: 1px solid var(--border);
      background: var(--overlay-subtle);
      color: var(--text-primary);
      font-size: 0.78rem;
      cursor: pointer;
      transition: all 0.15s;
    }
    .un-transcribe-btn:hover:not(:disabled) {
      background: var(--user-note-faint);
      border-color: rgba(124,77,255,0.3);
      color: var(--text-primary);
    }
    .un-transcribe-btn:disabled {
      opacity: 0.35;
      cursor: not-allowed;
    }
    .un-transcribe-btn--start {
      background: rgba(124,77,255,0.15);
      border-color: rgba(124,77,255,0.35);
      color: var(--user-note, #7c4dff);
      font-weight: 600;
    }
    .un-transcribe-btn--recording {
      background: rgba(244,67,54,0.15);
      border-color: rgba(244,67,54,0.4);
      color: #f44;
      font-weight: 600;
      animation: un-rec-glow 1.5s ease-in-out infinite;
    }
    @keyframes un-rec-glow {
      0%, 100% { box-shadow: 0 0 4px rgba(244,67,54,0.2); }
      50%      { box-shadow: 0 0 12px rgba(244,67,54,0.5); }
    }
    .un-rec-dot {
      display: inline-block;
      width: 8px;
      height: 8px;
      border-radius: 50%;
      background: #f44;
      margin-right: 4px;
      animation: un-rec-blink 1s ease-in-out infinite;
      vertical-align: middle;
    }
    @keyframes un-rec-blink {
      0%, 100% { opacity: 1; }
      50%      { opacity: 0.3; }
    }
    .un-transcribe-lang {
      padding: 4px 8px;
      border-radius: 4px;
      border: 1px solid var(--border);
      background: var(--input-bg);
      color: var(--text-primary);
      font-size: 0.75rem;
      margin-left: auto;
    }
    .un-transcribe-status {
      padding: 4px 12px;
      font-size: 0.73rem;
      color: var(--text-secondary);
      display: flex;
      align-items: center;
      gap: 6px;
    }
    .un-transcribe-status--active {
      color: var(--user-note, #7c4dff);
    }
    .un-transcribe-diagnostic {
      margin: 0 12px 8px;
      padding: 7px 10px;
      border-radius: 6px;
      background: var(--overlay-subtle);
      border: 1px solid var(--border-subtle);
      color: var(--text-primary);
      font-size: 0.74rem;
      line-height: 1.4;
      min-height: 18px;
    }
    .un-transcribe-diagnostic--error {
      background: rgba(244,67,54,0.09);
      border-color: rgba(244,67,54,0.22);
      color: #ffb4b4;
    }
    .un-transcribe-clip {
      margin: 0 12px 8px;
      padding: 10px;
      border-radius: 8px;
      background: var(--bg-card);
      border: 1px solid var(--border-subtle);
      display: flex;
      flex-direction: column;
      gap: 8px;
    }
    .un-transcribe-clip-meta {
      display: flex;
      flex-direction: column;
      gap: 2px;
      min-width: 0;
    }
    .un-transcribe-clip-kicker {
      font-size: 0.68rem;
      color: var(--user-note, #7c4dff);
      text-transform: uppercase;
      letter-spacing: 0.08em;
    }
    .un-transcribe-clip-meta strong {
      font-size: 0.8rem;
      color: var(--text-primary);
      white-space: nowrap;
      overflow: hidden;
      text-overflow: ellipsis;
    }
    .un-transcribe-clip-details {
      color: var(--text-secondary);
      font-size: 0.72rem;
    }
    .un-transcribe-audio {
      width: 100%;
      height: 32px;
      filter: saturate(0.92) hue-rotate(-6deg);
    }
    .un-rec-pulse {
      display: inline-block;
      width: 6px;
      height: 6px;
      border-radius: 50%;
      background: #f44;
      animation: un-rec-blink 1s ease-in-out infinite;
    }
    .un-transcribe-transcript {
      margin: 0 12px 8px;
      padding: 8px 10px;
      background: var(--bg);
      border: 1px solid var(--border-subtle);
      border-radius: 6px;
      max-height: 200px;
      overflow-y: auto;
      min-height: 60px;
    }
    .un-transcribe-placeholder {
      color: var(--text-secondary);
      font-size: 0.78rem;
      text-align: center;
      padding: 16px 8px;
      line-height: 1.6;
    }
    .un-transcribe-seg {
      display: flex;
      gap: 8px;
      padding: 2px 0;
      font-size: 0.78rem;
      line-height: 1.45;
    }
    .un-transcribe-seg--interim {
      opacity: 0.5;
      font-style: italic;
    }
    .un-transcribe-ts {
      color: var(--user-note, #7c4dff);
      font-family: monospace;
      font-size: 0.7rem;
      flex-shrink: 0;
      opacity: 0.7;
      padding-top: 1px;
    }
    .un-transcribe-text {
      color: var(--text-primary);
    }
    .un-transcribe-actions {
      display: flex;
      gap: 6px;
      padding: 8px 12px;
      border-top: 1px solid var(--border-subtle);
      flex-wrap: wrap;
      align-items: center;
    }
    .un-transcribe-proj-label {
      display: flex;
      align-items: center;
      width: 100%;
      margin-bottom: 2px;
    }
    .un-transcribe-proj-select {
      flex: 1;
      background: var(--bg-card);
      color: var(--text-primary);
      border: 1px solid var(--border);
      border-radius: 4px;
      font-size: 0.78rem;
      padding: 3px 6px;
    }
    .un-transcribe-action-btn {
      padding: 6px 14px;
      border-radius: 5px;
      border: 1px solid var(--border);
      background: var(--overlay-subtle);
      color: var(--text-primary);
      font-size: 0.78rem;
      cursor: pointer;
      transition: all 0.15s;
    }
    .un-transcribe-action-btn:hover {
      background: rgba(124,77,255,0.12);
      border-color: rgba(124,77,255,0.3);
      color: var(--text-primary);
    }
    .un-transcribe-action-btn--primary {
      background: rgba(124,77,255,0.2);
      border-color: rgba(124,77,255,0.4);
      color: var(--user-note, #7c4dff);
      font-weight: 600;
    }
    .un-transcribe-action-btn--primary:hover {
      background: rgba(124,77,255,0.35);
    }
    .un-transcribe-action-btn--danger {
      margin-left: auto;
    }
    .un-transcribe-action-btn--danger:hover {
      background: rgba(244,67,54,0.12);
      border-color: rgba(244,67,54,0.3);
      color: #f44;
    }
    .un-transcribe-unsupported {
      padding: 16px;
      text-align: center;
      color: var(--text-secondary);
      font-size: 0.8rem;
    }
    .un-transcribe-unsupported p { margin: 4px 0; }

    /* ── Reel Visualizer Window ── */
    .reel-viz-wrap {
      display: flex;
      flex-direction: column;
      flex: 1 1 0;
      min-width: 0;
      position: relative;
      background: var(--panel-elevated);
      color: var(--text-primary);
      overflow: hidden;
    }
    .reel-viz-status-bar {
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding: 3px 10px;
      background: var(--overlay-subtle);
      border-bottom: 1px solid var(--border-subtle);
      font-size: 12px;
      font-weight: 600;
      height: 24px;
      flex-shrink: 0;
    }
    .reel-viz-status-text {
      color: var(--text-primary);
      font-size: 11px;
      letter-spacing: 0.12em;
    }
    .reel-viz-time {
      color: var(--text-secondary);
      font-size: 11px;
      font-family: 'Courier New', Courier, monospace;
    }
    .reel-viz-controls {
      display: flex;
      flex-direction: column;
      gap: 3px;
      padding: 4px 8px;
      background: transparent;
      border-bottom: 1px solid var(--border-subtle);
      flex-shrink: 0;
    }
    .reel-viz-controls-row {
      display: flex;
      align-items: center;
      gap: 4px;
      flex-wrap: wrap;
    }
    /* Ghost icon buttons — no border, just text/symbol */
    .reel-viz-btn {
      border: none;
      background: transparent;
      color: var(--text-secondary);
      border-radius: 4px;
      padding: 3px 6px;
      font-size: 0.72rem;
      font-weight: 500;
      cursor: pointer;
      transition: color 0.12s, background 0.12s;
      white-space: nowrap;
      flex-shrink: 0;
    }
    .reel-viz-btn:hover {
      color: var(--text-primary);
      background: var(--overlay-hover);
    }
    .reel-viz-btn:disabled {
      opacity: 0.35;
      cursor: not-allowed;
    }
    .reel-viz-btn--ghost {
      color: var(--text-secondary);
      opacity: 0.7;
    }
    .reel-viz-btn--ghost:hover {
      opacity: 1;
      background: var(--overlay-hover);
    }
    /* Whisper key button — accent tint when key is set */
    .reel-viz-btn--key-set {
      color: var(--user-note, #7c4dff);
    }
    /* Slim borderless pill selects */
    .reel-viz-select {
      flex: 1 1 80px;
      min-width: 80px;
      border: none;
      background: transparent;
      color: var(--text-secondary);
      font-size: 0.72rem;
      padding: 2px 2px;
      outline: none;
      cursor: pointer;
      text-overflow: ellipsis;
      overflow: hidden;
    }
    .reel-viz-select:hover {
      color: var(--text-primary);
    }
    .reel-viz-select:disabled {
      opacity: 0.35;
      cursor: not-allowed;
    }
    .reel-viz-select--compact {
      flex: 0 0 auto;
      min-width: 72px;
    }
    .reel-viz-sep {
      width: 1px;
      height: 14px;
      background: var(--border-subtle);
      flex-shrink: 1;
      margin: 0 2px;
    }
    /* ── Transport bar — below the reel canvas ── */
    .reel-viz-transport {
      display: flex;
      align-items: center;
      justify-content: center;
      gap: 2px;
      padding: 3px 10px;
      border-top: 1px solid var(--border-subtle);
      background: var(--overlay-subtle);
      flex-shrink: 0;
    }
    .reel-viz-tport-btn {
      border: none;
      background: transparent;
      color: var(--text-secondary);
      padding: 3px 9px;
      font-size: 0.92rem;
      cursor: pointer;
      border-radius: 4px;
      transition: color 0.12s, background 0.12s;
      flex-shrink: 0;
      line-height: 1;
    }
    .reel-viz-tport-btn:hover {
      color: var(--text-primary);
      background: var(--overlay-hover);
    }
    .reel-viz-tport-btn:disabled {
      opacity: 0.28;
      cursor: not-allowed;
    }
    .reel-viz-tport-btn--play {
      font-size: 1rem;
      color: var(--text-primary);
    }
    .reel-viz-tport-btn--rec {
      color: #e04444;
    }
    .reel-viz-tport-btn--rec-active {
      color: #ff2222;
      animation: reel-rec-blink 1s ease-in-out infinite;
    }
    .reel-viz-tport-btn--overwrite {
      color: var(--accent-2, #f59e0b);
      font-size: 0.72rem;
    }
    .reel-viz-tport-btn:not(.reel-viz-tport-btn--overwrite) {
      font-size: 0.95rem;
    }
    /* Keep the mode toggle label small */
    .reel-viz-tport-btn--play,
    .reel-viz-tport-btn--rec,
    .reel-viz-tport-btn--rec-active {
      font-size: 1.05rem;
    }
    /* Fixed-width mode button so layout never jumps on Append↔Overwrite toggle */
    .reel-viz-tport-btn--mode {
      min-width: 82px;
      text-align: center;
      font-size: 0.72rem !important;
    }
    @keyframes reel-rec-blink {
      0%, 100% { opacity: 1; }
      50% { opacity: 0.45; }
    }
    .reel-viz-deck {
      flex: 1;
      display: flex;
      justify-content: center;
      align-items: center;
      background: #111111;
      position: relative;
      overflow: hidden;
      min-height: 0;
    }
    .reel-viz-deck canvas {
      display: block;
      width: 100%;
      height: 100%;
    }
    .reel-viz-footer {
      display: flex;
      justify-content: flex-end;
      align-items: center;
      padding: 2px 10px;
      background: transparent;
      border-top: 1px solid var(--border-subtle);
      min-height: 18px;
      flex-shrink: 0;
    }
    .reel-viz-level {
      font-size: 10px;
      color: var(--user-note, #7c4dff);
      font-family: 'Courier New', Courier, monospace;
      white-space: nowrap;
    }

    body.light-theme .un-transcribe-panel {
      background: var(--panel-elevated);
    }

    body.light-theme .un-transcribe-audio {
      filter: none;
    }

    body.light-theme .reel-viz-deck {
      background: #ffffff;
    }

    body.light-theme .reel-viz-btn {
      box-shadow: none;
    }

    /* ── Reel viz shell (simple fill container) ── */

    [data-win-id^="reel-viz-"] .window-body,
    [data-win-id^="reel-transcript-"] .window-body {
      overflow: hidden;
    }
    [data-win-id^="reel-viz-"] .dynamic-window-content,
    [data-win-id^="reel-transcript-"] .dynamic-window-content {
      padding: 0 !important;
      overflow: hidden !important;
      position: relative !important;
    }
    .reel-viz-shell {
      position: absolute;
      inset: 0;
      overflow: hidden;
      display: flex;
      flex-direction: column;
    }
    /* Footer transcript toggle button */
    .reel-tx-toggle-btn {
      font-size: 0.68rem !important;
      opacity: 0.75;
      flex-shrink: 0;
    }
    .reel-tx-toggle-btn:hover { opacity: 1; }
    /* ── Satellite transcript window content ── */
    .reel-tx-win {
      position: absolute;
      inset: 0;
      display: flex;
      flex-direction: column;
      overflow: hidden;
      background: var(--panel-elevated);
      color: var(--text-primary);
      font-size: 0.8rem;
    }
    /* Status header row */
    .reel-tx-status-row {
      display: flex;
      align-items: center;
      gap: 6px;
      padding: 5px 10px 4px;
      border-bottom: 1px solid var(--border-subtle, rgba(255,255,255,0.1));
      flex-shrink: 0;
      background: var(--overlay-subtle, rgba(255,255,255,0.04));
    }
    .reel-tx-label {
      font-size: 0.65rem;
      font-weight: 700;
      letter-spacing: 0.12em;
      text-transform: uppercase;
      color: var(--text-secondary, #aaa);
    }
    .reel-tx-status {
      flex: 1;
      font-size: 0.68rem;
      font-family: 'Courier New', Courier, monospace;
      color: var(--text-secondary, #aaa);
      white-space: nowrap;
      overflow: hidden;
      text-overflow: ellipsis;
      text-align: right;
    }
    /* Diagnostic strip — reset heavy panel styles */
    .reel-tx-diag {
      margin: 0 !important;
      padding: 3px 10px !important;
      border-radius: 0 !important;
      border: none !important;
      border-bottom: 1px solid var(--border-subtle, rgba(255,255,255,0.08)) !important;
      background: transparent !important;
      font-size: 0.7rem !important;
      color: var(--text-secondary, #aaa) !important;
      flex-shrink: 0;
      line-height: 1.3;
    }
    .reel-tx-diag:empty { display: none; }
    /* Transcript scroll area — reset heavy panel box styles */
    .reel-tx-scroll.un-transcribe-transcript {
      margin: 0 !important;
      padding: 6px 10px !important;
      background: transparent !important;
      border: none !important;
      border-radius: 0 !important;
      max-height: none !important;
      min-height: 0 !important;
      flex: 1 !important;
      overflow-y: auto !important;
    }
    /* Actions bar */
    .reel-viz-drawer-actions {
      display: flex;
      flex-wrap: wrap;
      gap: 4px;
      padding: 5px 8px;
      border-top: 1px solid var(--border-subtle, rgba(255,255,255,0.1));
      flex-shrink: 0;
      background: var(--overlay-subtle, rgba(255,255,255,0.04));
    }
    .reel-act-btn {
      border: none;
      background: var(--overlay-hover, rgba(255,255,255,0.08));
      color: var(--text-secondary, #aaa);
      border-radius: 4px;
      padding: 3px 7px;
      font-size: 0.7rem;
      cursor: pointer;
      transition: background 0.12s, color 0.12s;
      white-space: nowrap;
    }
    .reel-act-btn:hover {
      background: var(--overlay-active, rgba(255,255,255,0.14));
      color: var(--text-primary, #fff);
    }
    .reel-act-btn:disabled { opacity: 0.35; cursor: not-allowed; }
    .reel-act-btn--primary {
      background: var(--user-note-faint, rgba(124,77,255,0.15));
      color: var(--user-note, #7c4dff);
    }
    .reel-act-btn--primary:hover {
      background: rgba(124,77,255,0.28);
      color: var(--user-note, #7c4dff);
    }
    .reel-act-btn--danger { color: #e04444; }
    /* Suppress old inline slot */
    .un-transcribe-slot { display: none !important; }

    /* ── AI Settings Modal ── */
    .ai-settings-modal {
      position: fixed;
      inset: 0;
      z-index: 99999;
      display: flex;
      align-items: center;
      justify-content: center;
      background: rgba(0,0,0,0.55);
      backdrop-filter: blur(4px);
    }
    .ai-settings-modal-inner {
      background: var(--dialog-bg, #1e1e2e);
      border: 1px solid var(--border, #333);
      border-radius: 12px;
      padding: 22px 24px;
      min-width: 380px;
      max-width: 520px;
      max-height: 85vh;
      overflow-y: auto;
      display: flex;
      flex-direction: column;
      gap: 4px;
      box-shadow: 0 8px 32px rgba(0,0,0,0.4);
    }
    .ai-settings-field {
      display: flex;
      flex-direction: column;
      gap: 4px;
      margin-bottom: 10px;
    }
    .ai-settings-label {
      font-size: 0.82rem;
      font-weight: 600;
      display: flex;
      align-items: center;
      gap: 8px;
    }
    .ai-settings-input {
      background: rgba(255,255,255,0.06);
      border: 1px solid var(--border, #444);
      border-radius: 6px;
      padding: 7px 10px;
      font-size: 0.82rem;
      color: var(--text, #ddd);
      flex: 1;
      font-family: inherit;
    }
    .ai-settings-input:focus {
      outline: none;
      border-color: var(--accent, #7c4dff);
      box-shadow: 0 0 0 2px rgba(124,77,255,0.18);
    }
    .ai-settings-textarea {
      background: rgba(255,255,255,0.06);
      border: 1px solid var(--border, #444);
      border-radius: 6px;
      padding: 8px 10px;
      font-size: 0.8rem;
      color: var(--text, #ddd);
      font-family: 'Fira Code', 'Consolas', monospace;
      resize: vertical;
      min-height: 80px;
      line-height: 1.5;
    }
    .ai-settings-textarea:focus {
      outline: none;
      border-color: var(--accent, #7c4dff);
      box-shadow: 0 0 0 2px rgba(124,77,255,0.18);
    }
    .ai-settings-btn {
      background: rgba(255,255,255,0.08);
      border: 1px solid var(--border, #444);
      border-radius: 6px;
      padding: 7px 18px;
      font-size: 0.82rem;
      color: var(--text, #ddd);
      cursor: pointer;
      transition: all 0.12s;
    }
    .ai-settings-btn:hover {
      background: rgba(255,255,255,0.14);
    }
    .ai-settings-btn--primary {
      background: rgba(124,77,255,0.15);
      color: #b388ff;
      border-color: rgba(124,77,255,0.3);
    }
    .ai-settings-btn--primary:hover {
      background: rgba(124,77,255,0.28);
    }
    .ai-settings-btn-sm {
      background: rgba(255,255,255,0.06);
      border: 1px solid var(--border, #444);
      border-radius: 5px;
      padding: 4px 10px;
      font-size: 0.75rem;
      color: var(--text, #ddd);
      cursor: pointer;
      flex-shrink: 0;
    }
    .ai-settings-btn-sm:hover {
      background: rgba(255,255,255,0.12);
    }

    /* ── End User Notes Feature ── */

    /* ── Reference Database Window ── */
    .ref-window-container {
      font-size: 0.85rem;
    }
    .ref-window-tree {
      background: rgba(0,0,0,0.3);
      border-right: 1px solid rgba(255,255,255,0.1);
    }
    .ref-window-resizer {
      width: 5px;
      flex-shrink: 0;
      cursor: col-resize;
      background: transparent;
      transition: background 0.15s;
      margin: 0 -1px;
      z-index: 1;
    }
    .ref-window-resizer:hover,
    .ref-window-resizer:active {
      background: rgba(255,255,255,0.15);
    }
    .ref-window-tree .tree-node {
      font-size: 0.8rem;
    }
    .ref-window-tree .tree-item {
      padding: 4px 8px;
      border-radius: 3px;
    }
    .ref-window-tree .tree-item:hover {
      background: rgba(255,255,255,0.06);
    }
    .ref-window-tree .tree-item.selected {
      background: rgba(0,184,148,0.15);
      border-left: 2px solid var(--accent);
    }
    .ref-window-detail {
      background: rgba(0,0,0,0.15);
    }
    .ref-window-detail .detail-panel {
      margin-bottom: 12px;
    }

    /* ── JSN Lookup App Window ── */
    .jsn-app-container {
      display: flex;
      height: 100%;
      overflow: hidden;
    }
    .jsn-app-nav {
      width: 280px;
      min-width: 180px;
      border-right: 1px solid rgba(255,255,255,0.1);
      overflow-y: auto;
      flex-shrink: 0;
      display: flex;
      flex-direction: column;
    }
    .jsn-window-resizer {
      width: 5px;
      flex-shrink: 0;
      cursor: col-resize;
      background: transparent;
      transition: background 0.15s;
      margin: 0 -1px;
      z-index: 1;
    }
    .jsn-window-resizer:hover,
    .jsn-window-resizer:active {
      background: rgba(255,255,255,0.15);
    }
    .jsn-app-detail {
      flex: 1;
      overflow-y: auto;
      padding: 10px;
    }

    /* ═══════════════════════════════════════════════════════════════
       LIGHT THEME OVERRIDES — Comprehensive
       Handles all remaining hardcoded dark-theme colors
       ═══════════════════════════════════════════════════════════════ */

    /* ── Theme Toggle Button ── */
    header .icon-btn.theme {
      background: var(--overlay-active);
      color: var(--text);
    }

    body.light-theme header .icon-btn.theme {
      background: var(--overlay-strong);
    }

    /* ── Light theme-specific overrides ── */
    body.light-theme .revit-tools-panel .panel-header {
      border-bottom-color: var(--border);
    }

    body.light-theme .revit-tools-panel .tool-section {
      border-bottom-color: var(--border);
    }

    body.light-theme .revit-tools-panel .tool-btn .tool-desc {
      color: var(--muted);
    }

    body.light-theme .revit-tools-panel .tool-btn.disconnect {
      color: var(--error);
    }

    body.light-theme header .icon-btn.portal {
      background: linear-gradient(135deg, #8b9cf7 0%, #a78bc2 100%) !important;
    }

    body.light-theme header .icon-btn.sync {
      background: linear-gradient(135deg, var(--accent) 0%, var(--teal) 100%) !important;
    }

    body.light-theme header .icon-btn.workbench {
      background: linear-gradient(135deg, #d08888 0%, #d4b75e 100%) !important;
    }

    body.light-theme header .icon-btn.workbench.active {
      background: linear-gradient(135deg, #d4b75e 0%, #d08888 100%) !important;
      box-shadow: 0 0 20px rgba(212, 183, 94, 0.3);
    }

    body.light-theme header .icon-btn.ifc-checker {
      background: linear-gradient(135deg, #8b9cf7 0%, #a78bc2 100%) !important;
    }

    body.light-theme header .icon-btn.help-btn {
      background: linear-gradient(135deg, #6a9ec7 0%, #8bb8db 100%) !important;
    }

    body.light-theme .btn-primary {
      color: #ffffff;
    }

    body.light-theme .add-to-project-btn {
      color: #ffffff;
    }

    /* Workbench — retains its own dark aesthetic in light theme for contrast */
    body.light-theme #workbench-container {
      background: var(--workbench-bg);
    }

    /* Help panel - muted warm gradient */
    body.light-theme .help-panel-header {
      background: linear-gradient(135deg, #d4a86d 0%, #c4856a 100%);
      color: #3d3025;
    }

    body.light-theme .help-panel-header h3 {
      color: #3d3025;
    }

    body.light-theme .help-nav-btn {
      background: rgba(0, 0, 0, 0.1);
      color: #3d3025;
    }

    body.light-theme .help-nav-btn:hover {
      background: rgba(0, 0, 0, 0.2);
    }

    body.light-theme .help-context-badge {
      background: rgba(184, 140, 88, 0.1);
      border-color: rgba(184, 140, 88, 0.25);
      color: #a07840;
    }

    body.light-theme .help-topic-card {
      background: var(--overlay-subtle);
      border-color: var(--border);
    }

    body.light-theme .help-topic-card:hover {
      background: rgba(184, 140, 88, 0.06);
      border-color: rgba(184, 140, 88, 0.25);
    }

    body.light-theme .help-detail-content h4 {
      color: #a07840;
    }

    body.light-theme .help-detail-content code {
      background: var(--code-bg);
      color: #a07840;
    }

    body.light-theme .help-tip-box {
      background: rgba(184, 140, 88, 0.08);
      border-left-color: #a07840;
    }

    body.light-theme .help-tip-box strong {
      color: #a07840;
    }

    body.light-theme .help-panel-search input:focus {
      border-color: #a07840;
    }

    body.light-theme .help-detail-content .step-num {
      background: linear-gradient(135deg, #d4a86d, #c4856a);
      color: #3d3025;
    }

    /* Logic toggle colors for light */
    body.light-theme .logic-badge.enabled {
      background: linear-gradient(135deg, var(--accent) 0%, var(--teal) 100%);
    }

    /* Iteration bar for light */
    body.light-theme .iter-label {
      color: var(--muted);
    }

    body.light-theme #iteration-bar {
      border-left-color: var(--border);
    }

    /* Tasks — teal accents stay but pastel-ized */
    body.light-theme .task-check {
      border-color: var(--teal);
    }

    body.light-theme .task-check:hover {
      border-color: #4a8a83;
      background: var(--teal-faint);
    }

    body.light-theme .task-check-done {
      background: var(--teal);
      border-color: var(--teal);
    }

    body.light-theme .task-check-done::after {
      border-color: #ffffff;
    }

    body.light-theme .task-title:hover .task-title-text {
      color: var(--teal);
    }

    body.light-theme .task-btn-add-sub:hover {
      background: var(--teal-faint);
      color: var(--teal);
      border-color: var(--teal);
    }

    body.light-theme .task-inline-input {
      border-color: var(--teal);
      caret-color: var(--teal);
    }

    body.light-theme [contenteditable].task-new-input {
      border-bottom-color: var(--teal);
      caret-color: var(--teal);
    }

    body.light-theme [contenteditable].task-inline-input {
      border-bottom-color: var(--teal);
    }

    body.light-theme .task-new-input:focus {
      border-bottom-color: var(--teal);
    }

    body.light-theme .task-room-chip {
      background: var(--teal-faint);
      border-color: var(--teal);
      color: var(--teal);
    }

    body.light-theme .task-chip-label {
      color: var(--teal);
    }

    body.light-theme .task-dept-chip {
      background: rgba(74, 152, 130, 0.08);
      border-color: rgba(74, 152, 130, 0.3);
      color: #4a9882;
    }

    body.light-theme .task-dept-chip .task-chip-label {
      color: #4a9882;
    }

    body.light-theme .task-disc-chip {
      background: var(--purple-faint);
      border-color: rgba(139, 122, 175, 0.3);
      color: var(--purple);
    }

    body.light-theme .task-disc-chip .task-chip-label {
      color: var(--purple);
    }

    body.light-theme .task-attr-chip {
      background: var(--warning-faint);
      border-color: rgba(184, 122, 69, 0.3);
      color: var(--warning);
    }

    body.light-theme .task-attr-chip .task-chip-label {
      color: var(--warning);
    }

    body.light-theme .task-attachment-chip {
      background: var(--info-faint);
      border-color: rgba(91, 143, 176, 0.3);
      color: var(--info);
    }

    body.light-theme .ce-chip-room {
      background: var(--teal-faint);
      border-color: var(--teal);
      color: var(--teal);
    }

    body.light-theme .ce-chip-dept {
      background: rgba(74, 152, 130, 0.08);
      border-color: rgba(74, 152, 130, 0.35);
      color: #4a9882;
    }

    body.light-theme .ce-chip-disc {
      background: var(--purple-faint);
      border-color: rgba(139, 122, 175, 0.35);
      color: var(--purple);
    }

    body.light-theme .ce-chip-attr {
      background: var(--warning-faint);
      border-color: rgba(184, 122, 69, 0.35);
      color: var(--warning);
    }

    body.light-theme .ce-chip-attachment {
      background: var(--info-faint);
      border-color: rgba(91, 143, 176, 0.35);
      color: var(--info);
    }

    body.light-theme .task-meta-pri-low {
      color: #4a9882;
      background: rgba(74, 152, 130, 0.1);
    }

    body.light-theme .task-meta-pri-medium {
      color: var(--warning);
      background: var(--warning-faint);
    }

    body.light-theme .task-meta-pri-high {
      color: var(--error);
      background: var(--error-faint);
    }

    body.light-theme .task-meta-overdue {
      color: var(--error);
    }

    body.light-theme .task-meta-due-soon {
      color: var(--warning);
    }

    body.light-theme .task-meta-assignee {
      background: var(--teal-faint);
      color: var(--teal);
    }

    body.light-theme .task-pri-dot-high {
      background: var(--error);
      box-shadow: 0 0 4px var(--error-faint);
    }

    body.light-theme .task-pri-dot-medium {
      background: var(--warning);
    }

    body.light-theme .task-pri-dot-low {
      background: #4a9882;
    }

    body.light-theme .task-item-overdue {
      border-color: rgba(192, 86, 78, 0.3) !important;
      background: rgba(192, 86, 78, 0.03);
    }

    body.light-theme .task-detail-panel {
      background: var(--overlay-subtle);
    }

    body.light-theme .task-detail-input:focus,
    body.light-theme .task-detail-textarea:focus {
      border-color: var(--teal);
    }

    body.light-theme .task-filter-select:focus {
      border-color: var(--teal);
    }

    body.light-theme .task-drag-over {
      border-top-color: var(--teal) !important;
    }

    body.light-theme .at-mention-dropdown {
      background: var(--bg-card);
      box-shadow: 0 6px 20px var(--card-shadow);
    }

    body.light-theme .at-mention-item:hover,
    body.light-theme .at-mention-highlighted {
      background: var(--teal-faint);
    }

    body.light-theme .at-mention-icon {
      background: var(--teal-faint);
    }

    /* OneNote import */
    body.light-theme .onenote-paste-area:focus {
      border-color: var(--teal);
    }

    body.light-theme .onenote-disc-heading {
      color: var(--teal);
    }

    body.light-theme .onenote-preview-header {
      background: var(--teal-faint);
      border-color: var(--teal);
    }

    body.light-theme .onenote-preview-body {
      border-color: var(--teal);
    }

    /* Hub disc rows */
    body.light-theme .hub-disc-row.hub-expanded {
      border-left-color: var(--accent);
      background: var(--accent-faint);
    }

    body.light-theme .hub-disc-bar-fill {
      background: var(--accent);
    }

    /* Workspace node */
    body.light-theme .ws-node {
      background: var(--bg-card);
      border-color: var(--border);
      box-shadow: 0 2px 12px var(--card-shadow);
    }

    body.light-theme .ws-node-label {
      color: var(--text);
    }

    body.light-theme .ws-toolbar-title {
      color: var(--text);
    }

    /* Live project badges */
    body.light-theme .live-pulse-dot {
      background: var(--accent);
    }

    body.light-theme .live-badge-small {
      background: var(--accent-faint);
      border-color: var(--accent-glow);
      color: var(--accent);
    }

    body.light-theme .live-open-btn {
      background: linear-gradient(135deg, var(--accent) 0%, var(--teal) 100%) !important;
      border-color: var(--accent) !important;
    }

    /* Ref window */
    body.light-theme .ref-window-tree {
      background: var(--overlay-subtle);
      border-right-color: var(--border);
    }

    body.light-theme .ref-window-tree .tree-item:hover {
      background: var(--overlay-hover);
    }

    body.light-theme .ref-window-tree .tree-item.selected {
      background: var(--accent-faint);
    }

    body.light-theme .ref-window-detail {
      background: var(--bg);
    }

    /* JSN list selected */
    body.light-theme .jsn-list-item.selected {
      background: var(--accent);
      color: #fff;
    }

    body.light-theme .jsn-list-item.selected .jsn-list-jsn,
    body.light-theme .jsn-list-item.selected .jsn-list-name {
      color: #fff;
    }

    body.light-theme .jsn-list-item:hover {
      background: var(--overlay-hover);
    }

    /* Drawing controls inherit the workbench overlay tokens above. */

    /* Equipment round checkboxes */
    body.light-theme .eq-select-cb,
    body.light-theme .attr-select-cb {
      background: var(--bg);
    }

    body.light-theme .eq-select-cb:checked,
    body.light-theme .attr-select-cb:checked {
      background: var(--accent);
      border-color: var(--accent);
    }

    body.light-theme .eq-select-cb:checked::after,
    body.light-theme .attr-select-cb:checked::after {
      background: #ffffff;
    }

    /* Room list plus button */
    body.light-theme .room-list-add-btn:hover {
      background: var(--overlay-hover);
    }

    /* Context menu */
    body.light-theme .context-menu-item:hover {
      background: var(--overlay-hover);
    }

    body.light-theme .context-menu-item:active {
      background: var(--accent);
      color: #ffffff;
    }

    /* ═══════════════════════════════════════════════════════════════
       FINISH BOARD — Architecture Palette & Finish Schedule
       ═══════════════════════════════════════════════════════════════ */

    @keyframes fb-card-in {
      from { opacity: 0; transform: translateY(14px) scale(0.97); }
      to   { opacity: 1; transform: translateY(0) scale(1); }
    }

    @keyframes fb-row-in {
      from { opacity: 0; transform: translateX(-8px); }
      to   { opacity: 1; transform: translateX(0); }
    }

    @keyframes fb-modal-fade {
      from { opacity: 0; }
      to   { opacity: 1; }
    }

    @keyframes fb-modal-rise {
      from { transform: scale(0.91) translateY(20px); opacity: 0; }
      to   { transform: scale(1) translateY(0); opacity: 1; }
    }

    /* Root */
    .fb-root {
      display: flex;
      flex-direction: column;
      height: 100%;
      overflow: hidden;
    }

    /* ── Header ─────────────────────────────────────────── */
    .fb-header {
      display: flex;
      align-items: flex-start;
      justify-content: space-between;
      padding: 18px 20px 12px;
      border-bottom: 1px solid var(--border);
      gap: 12px;
      flex-shrink: 0;
    }

    .fb-header-title {
      display: flex;
      align-items: center;
      gap: 14px;
    }

    .fb-header-icon {
      font-size: 2.1rem;
      line-height: 1;
      filter: drop-shadow(0 2px 8px rgba(0,0,0,0.45));
    }

    .fb-title-main {
      font-size: 1.35rem;
      font-weight: 700;
      color: var(--text);
      letter-spacing: -0.02em;
    }

    .fb-title-sub {
      font-size: 0.76rem;
      color: var(--muted);
      margin-top: 3px;
    }

    .fb-header-actions {
      display: flex;
      align-items: center;
      gap: 10px;
      flex-shrink: 0;
    }

    /* View toggle */
    .fb-view-toggle {
      display: flex;
      background: var(--bg-card);
      border: 1px solid var(--border);
      border-radius: 8px;
      overflow: hidden;
    }

    .fb-toggle-btn {
      padding: 6px 13px;
      border: none;
      background: transparent;
      color: var(--muted);
      font-size: 0.78rem;
      cursor: pointer;
      display: flex;
      align-items: center;
      gap: 5px;
      white-space: nowrap;
      transition: background 0.13s, color 0.13s;
    }

    .fb-toggle-btn:hover { color: var(--text); background: var(--overlay-hover); }

    .fb-toggle-btn.active {
      background: var(--accent);
      color: #fff;
      font-weight: 600;
    }

    .fb-toggle-icon { font-size: 1rem; }

    /* Add button */
    .fb-add-btn {
      padding: 7px 14px;
      background: var(--accent);
      color: #fff;
      border: none;
      border-radius: 7px;
      font-size: 0.8rem;
      font-weight: 600;
      cursor: pointer;
      white-space: nowrap;
      transition: opacity 0.14s, transform 0.12s;
    }

    .fb-add-btn:hover { opacity: 0.82; transform: translateY(-1px); }
    .fb-add-btn:active { transform: translateY(0); }

    .fb-add-btn-lg {
      font-size: 0.92rem;
      padding: 10px 22px;
      margin-top: 18px;
    }

    /* Category pills strip */
    .fb-cat-pills {
      display: flex;
      gap: 7px;
      padding: 9px 20px;
      overflow-x: auto;
      flex-shrink: 0;
      border-bottom: 1px solid var(--border-subtle);
      scrollbar-width: none;
    }
    .fb-cat-pills::-webkit-scrollbar { display: none; }

    .fb-cat-pill {
      display: flex;
      align-items: center;
      gap: 5px;
      padding: 3px 9px;
      border-radius: 20px;
      font-size: 0.7rem;
      font-weight: 500;
      white-space: nowrap;
      background: hsl(var(--hue, 0), 28%, 17%);
      color: hsl(var(--hue, 0), 55%, 72%);
      border: 1px solid hsl(var(--hue, 0), 28%, 26%);
    }

    body.light-theme .fb-cat-pill {
      background: hsl(var(--hue, 0), 28%, 94%);
      color: hsl(var(--hue, 0), 45%, 36%);
      border-color: hsl(var(--hue, 0), 28%, 80%);
    }

    .fb-cat-count {
      background: rgba(255,255,255,0.14);
      border-radius: 9px;
      padding: 0 5px;
      font-size: 0.65rem;
      font-weight: 700;
    }

    body.light-theme .fb-cat-count { background: rgba(0,0,0,0.08); }

    .fb-filter-bar {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 10px;
      padding: 10px 20px;
      border-bottom: 1px solid var(--border-subtle);
      background: var(--overlay-subtle);
      flex-shrink: 0;
      min-width: 0;
    }

    .fb-filter-fields {
      display: grid;
      grid-template-columns: repeat(4, minmax(120px, 1fr));
      gap: 8px;
      flex: 1;
      min-width: 0;
    }

    .fb-filter-select {
      min-width: 0;
      width: 100%;
      background: var(--input-bg);
      border: 1px solid var(--input-border);
      border-radius: 6px;
      color: var(--text);
      font-size: 0.75rem;
      padding: 7px 9px;
      outline: none;
    }

    .fb-filter-select:focus { border-color: var(--accent); }

    .fb-filter-summary {
      color: var(--muted);
      font-size: 0.72rem;
      white-space: nowrap;
    }

    .fb-filter-clear {
      border: 1px solid var(--border);
      background: var(--bg-card);
      color: var(--text);
      border-radius: 6px;
      padding: 6px 9px;
      font-size: 0.72rem;
      cursor: pointer;
      white-space: nowrap;
    }

    .fb-filter-clear:hover {
      border-color: var(--accent);
      background: var(--overlay-hover);
    }

    @media (max-width: 760px) {
      .fb-filter-bar {
        align-items: stretch;
        flex-direction: column;
      }

      .fb-filter-fields {
        grid-template-columns: 1fr;
      }

      .fb-filter-summary {
        align-self: flex-start;
      }

      .fb-mosaic-grid {
        grid-template-columns: repeat(auto-fill, minmax(132px, 1fr));
      }

      .fb-mosaic-card:nth-child(n) {
        grid-column: span 1;
        grid-row: auto;
      }

      .fb-vg-scene {
        min-height: 260px;
      }

      .fb-vg-chip {
        flex: 1 1 110px;
      }
    }

    /* Body scroll area */
    .fb-body {
      flex: 1;
      overflow-y: auto;
      overflow-x: hidden;
    }

    /* ── Palette View ─────────────────────────────────── */
    .fb-palette-view { padding: 16px 20px 24px; }

    .fb-cat-section { margin-bottom: 26px; }

    .fb-cat-header {
      display: flex;
      align-items: center;
      gap: 7px;
      margin-bottom: 11px;
      font-size: 0.69rem;
      font-weight: 700;
      text-transform: uppercase;
      letter-spacing: 0.1em;
      color: hsl(var(--hue, 200), 55%, 65%);
    }

    body.light-theme .fb-cat-header { color: hsl(var(--hue, 200), 45%, 40%); }

    .fb-cat-header-icon { font-size: 0.95rem; }

    .fb-cat-header-count {
      margin-left: auto;
      color: var(--muted);
      font-weight: 400;
      letter-spacing: 0;
      font-size: 0.75rem;
    }

    /* Swatch grid */
    .fb-swatch-grid {
      display: grid;
      grid-template-columns: repeat(auto-fill, minmax(192px, 1fr));
      gap: 11px;
    }

    .fb-mosaic-view {
      padding: 8px;
    }

    .fb-board-section {
      margin-bottom: 18px;
    }

    .fb-board-section:last-child {
      margin-bottom: 0;
    }

    .fb-board-section-head {
      display: flex;
      align-items: flex-end;
      justify-content: space-between;
      gap: 12px;
      padding: 0 2px 7px;
    }

    .fb-board-section-head strong {
      display: block;
      color: var(--text);
      font-size: 0.78rem;
      text-transform: uppercase;
      letter-spacing: 0.08em;
    }

    .fb-board-section-head span {
      display: block;
      margin-top: 2px;
      color: var(--muted);
      font-size: 0.7rem;
    }

    .fb-board-section-head em {
      color: var(--muted);
      font-size: 0.72rem;
      font-style: normal;
    }

    .fb-needs-detail-section {
      padding-top: 14px;
      border-top: 1px solid var(--border-subtle);
    }

    .fb-room-vignette {
      margin-bottom: 14px;
      border: 1px solid var(--border);
      border-radius: 4px;
      overflow: hidden;
      background: var(--bg-card);
    }

    .fb-vg-head {
      display: flex;
      align-items: flex-start;
      justify-content: space-between;
      gap: 12px;
      padding: 10px 12px;
      border-bottom: 1px solid var(--border-subtle);
    }

    .fb-vg-head strong {
      display: block;
      color: var(--text);
      font-size: 0.86rem;
      line-height: 1.2;
    }

    .fb-vg-head span {
      display: block;
      margin-top: 3px;
      color: var(--muted);
      font-size: 0.72rem;
      white-space: nowrap;
      overflow: hidden;
      text-overflow: ellipsis;
      max-width: 520px;
    }

    .fb-vg-head em {
      color: var(--accent);
      font-style: normal;
      font-size: 0.68rem;
      font-weight: 800;
      text-transform: uppercase;
      letter-spacing: 0.08em;
      white-space: nowrap;
    }

    .fb-vg-layout {
      display: flex;
      flex-direction: column;
    }

    .fb-vg-scene {
      position: relative;
      min-height: 342px;
      overflow: hidden;
      background: #101217;
      isolation: isolate;
    }

    .fb-vg-scene::after {
      content: '';
      position: absolute;
      inset: 0;
      pointer-events: none;
      z-index: 12;
      background:
        radial-gradient(ellipse at 50% 30%, rgba(255,255,255,0.14) 0%, transparent 55%),
        linear-gradient(175deg, rgba(255,255,255,0.05) 0%, transparent 48%),
        linear-gradient(to bottom, transparent 55%, rgba(0,0,0,0.26));
      mix-blend-mode: screen;
      opacity: 0.7;
    }

    .fb-vg-surface {
      position: absolute;
      overflow: hidden;
      box-shadow: inset 0 0 0 1px rgba(255,255,255,0.06);
    }

    .fb-vg-ceiling {
      left: 9%;
      right: 9%;
      top: 0;
      height: 25%;
      clip-path: polygon(10% 0, 90% 0, 58% 100%, 42% 100%);
      filter: brightness(1.12);
      z-index: 1;
    }

    .fb-vg-wall {
      top: 18%;
      width: 50.2%;
      height: 56%;
      filter: brightness(1.02);
      z-index: 2;
    }

    .fb-vg-wall-left {
      left: 0;
      clip-path: polygon(0 0, 100% 0, 100% 100%, 0 82%);
      filter: brightness(0.96);
    }

    .fb-vg-wall-right {
      right: 0;
      clip-path: polygon(0 0, 100% 0, 100% 82%, 0 100%);
      filter: brightness(1.08);
    }

    .fb-vg-wainscot {
      top: 49%;
      width: 50.2%;
      height: 25%;
      z-index: 4;
      filter: brightness(0.98) contrast(1.03);
    }

    .fb-vg-wainscot-left {
      left: 0;
      clip-path: polygon(0 8%, 100% 0, 100% 100%, 0 72%);
    }

    .fb-vg-wainscot-right {
      right: 0;
      clip-path: polygon(0 0, 100% 8%, 100% 72%, 0 100%);
      filter: brightness(1.06) contrast(1.03);
    }

    .fb-vg-base {
      top: 70%;
      width: 50.2%;
      height: 7%;
      z-index: 7;
      filter: brightness(0.88);
    }

    .fb-vg-base-left {
      left: 0;
      clip-path: polygon(0 8%, 100% 0, 100% 100%, 0 68%);
    }

    .fb-vg-base-right {
      right: 0;
      clip-path: polygon(0 0, 100% 8%, 100% 68%, 0 100%);
      filter: brightness(0.98);
    }

    .fb-vg-floor {
      left: 0;
      right: 0;
      bottom: 0;
      height: 35%;
      clip-path: polygon(0 100%, 100% 100%, 63% 0, 37% 0);
      transform-origin: center bottom;
      filter: brightness(0.9) saturate(1.05);
      z-index: 6;
    }

    .fb-vg-door {
      right: 13%;
      top: 31%;
      width: 16%;
      height: 45%;
      z-index: 8;
      border: 1px solid rgba(0,0,0,0.24);
      box-shadow: inset 0 0 0 1px rgba(255,255,255,0.08), 0 12px 28px rgba(0,0,0,0.28);
      transform: skewY(-1.5deg);
    }

    .fb-vg-door::before {
      content: '';
      position: absolute;
      inset: 8% 10%;
      border: 1px solid rgba(0,0,0,0.18);
      box-shadow: inset 0 0 0 1px rgba(255,255,255,0.08);
    }

    .fb-vg-hardware {
      position: absolute;
      right: 12%;
      top: 47%;
      width: 9px;
      height: 9px;
      border-radius: 50%;
      box-shadow: 0 0 0 1px rgba(0,0,0,0.28), 0 0 12px rgba(255,255,255,0.16);
    }

    .fb-vg-corner-line {
      position: absolute;
      left: 50%;
      top: 18%;
      bottom: 22%;
      width: 1px;
      z-index: 9;
      background: linear-gradient(180deg, transparent, rgba(0,0,0,0.42), transparent);
      box-shadow: 1px 0 0 rgba(255,255,255,0.08);
    }

    .fb-vg-chips {
      display: flex;
      flex-wrap: wrap;
      gap: 5px;
      padding: 8px 10px 10px;
      border-top: 1px solid var(--border-subtle);
    }

    .fb-vg-chip {
      display: flex;
      align-items: center;
      gap: 7px;
      padding: 6px 10px 6px 6px;
      border: 1px solid var(--border-subtle);
      border-radius: 4px;
      background: var(--overlay-subtle);
      flex: 1 1 130px;
      max-width: 195px;
      min-width: 0;
    }

    .fb-vg-chip.missing {
      opacity: 0.44;
    }

    .fb-vg-chip.clickable {
      cursor: pointer;
      transition: border-color 0.14s, background 0.14s;
    }

    .fb-vg-chip.clickable:hover {
      border-color: var(--accent);
      background: var(--accent-faint);
    }

    .fb-vg-chip-swatch {
      width: 32px;
      height: 32px;
      border-radius: 3px;
      border: 1px solid rgba(255,255,255,0.12);
      flex-shrink: 0;
    }

    body.light-theme .fb-vg-chip-swatch {
      border-color: rgba(0,0,0,0.12);
    }

    .fb-vg-chip-info {
      display: flex;
      flex-direction: column;
      min-width: 0;
      gap: 1px;
    }

    .fb-vg-chip strong,
    .fb-vg-chip em,
    .fb-vg-chip-sub {
      display: block;
      min-width: 0;
    }

    .fb-vg-chip strong {
      color: var(--accent);
      font-size: 0.59rem;
      letter-spacing: 0.12em;
      font-weight: 800;
    }

    .fb-vg-chip em {
      color: var(--text);
      font-size: 0.7rem;
      font-style: normal;
      white-space: nowrap;
      overflow: hidden;
      text-overflow: ellipsis;
    }

    .fb-vg-chip-sub {
      color: var(--muted);
      font-size: 0.61rem;
      white-space: nowrap;
      overflow: hidden;
      text-overflow: ellipsis;
    }

    .fb-mosaic-grid {
      display: grid;
      grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
      grid-auto-rows: auto;
      gap: 4px;
      align-items: stretch;
    }

    /* Swatch card */
    .fb-swatch-card {
      background: var(--bg-card);
      border: 1px solid var(--border);
      border-radius: 10px;
      overflow: hidden;
      position: relative;
      animation: fb-card-in 0.38s ease both;
      transition: transform 0.22s ease, box-shadow 0.22s ease, border-color 0.18s;
    }

    .fb-mosaic-card {
      min-height: 154px;
      height: 154px;
      cursor: grab;
      border-radius: 3px;
      background: var(--bg);
    }

    .fb-mosaic-card:nth-child(n) {
      grid-column: auto;
      grid-row: auto;
    }

    .fb-mosaic-card:active { cursor: grabbing; }

    .fb-mosaic-card.dragging {
      opacity: 0.55;
      transform: scale(0.98);
    }

    .fb-mosaic-card.drag-over {
      border-color: var(--accent);
      box-shadow: 0 0 0 2px var(--accent-light), 0 10px 32px var(--card-shadow);
    }

    .fb-needs-detail-grid {
      grid-template-columns: repeat(auto-fill, minmax(132px, 1fr));
    }

    .fb-needs-detail-grid .fb-mosaic-card {
      min-height: 128px;
      height: 128px;
    }

    .fb-swatch-needs-detail {
      opacity: 0.86;
      border-style: dashed;
    }

    .fb-swatch-card:hover {
      transform: translateY(-1px);
      box-shadow: 0 6px 18px var(--card-shadow);
      border-color: var(--accent);
      z-index: 2;
    }

    .fb-swatch-color {
      height: 90px;
      position: relative;
      overflow: hidden;
      transition: filter 0.2s;
    }

    .fb-mosaic-card .fb-swatch-color {
      height: 100%;
      min-height: inherit;
      display: flex;
      align-items: flex-end;
    }

    .fb-swatch-texture-img {
      position: absolute;
      inset: 0;
      width: 100%;
      height: 100%;
      object-fit: cover;
      display: block;
      z-index: 1;
    }

    .fb-swatch-texture-img + .fb-swatch-actions,
    .fb-swatch-color .fb-swatch-actions,
    .fb-swatch-color .fb-auto-badge,
    .fb-swatch-color .fb-swatch-cat-badge {
      z-index: 3;
    }

    .fb-swatch-card:hover .fb-swatch-color {
      filter: brightness(1.05);
    }

    /* Hover-reveal action buttons */
    .fb-swatch-actions {
      position: absolute;
      top: 7px;
      left: 7px;
      display: flex;
      gap: 4px;
      opacity: 0;
      transition: opacity 0.15s;
      z-index: 3;
    }

    .fb-swatch-card:hover .fb-swatch-actions { opacity: 1; }

    .fb-mosaic-card .fb-swatch-actions {
      top: 32px;
      left: auto;
      right: 5px;
      gap: 3px;
    }

    .fb-action-btn {
      background: rgba(10,10,10,0.6);
      border: none;
      color: #fff;
      width: 26px;
      height: 26px;
      border-radius: 3px;
      cursor: pointer;
      font-size: 0.72rem;
      display: flex;
      align-items: center;
      justify-content: center;
      backdrop-filter: blur(6px);
      -webkit-backdrop-filter: blur(6px);
      transition: background 0.12s;
    }

    .fb-action-btn:hover { background: rgba(0,184,148,0.82); }
    .fb-action-btn.fb-action-delete:hover { background: rgba(231,76,60,0.82); }

    body.light-theme .fb-action-btn { background: rgba(0,0,0,0.45); }

    /* Code badge (bottom-left of swatch) */
    .fb-swatch-code {
      position: absolute;
      bottom: 8px;
      left: 8px;
      font-size: 0.67rem;
      font-weight: 800;
      letter-spacing: 0.07em;
      background: rgba(0,0,0,0.22);
      border: 1px solid currentColor;
      border-radius: 4px;
      padding: 2px 6px;
      backdrop-filter: blur(4px);
      -webkit-backdrop-filter: blur(4px);
      transition: opacity 0.15s;
    }

    /* Category icon badge (top-right of swatch) */
    .fb-swatch-cat-badge {
      position: absolute;
      top: 5px;
      right: 5px;
      min-width: 30px;
      text-align: center;
      font-size: 0.57rem;
      font-weight: 900;
      letter-spacing: 0.08em;
      opacity: 0.82;
      color: rgba(255,255,255,0.9);
      background: rgba(0,0,0,0.34);
      border: 1px solid rgba(255,255,255,0.12);
      border-radius: 3px;
      padding: 3px 4px;
      backdrop-filter: blur(5px);
      -webkit-backdrop-filter: blur(5px);
      pointer-events: none;
    }

    /* Swatch body */
    .fb-swatch-body { padding: 9px 11px 8px; }

    .fb-mosaic-card .fb-swatch-body {
      position: absolute;
      left: 0;
      right: 0;
      bottom: 0;
      z-index: 2;
      padding: 22px 48px 6px 7px;
      background: linear-gradient(180deg, transparent 0%, rgba(0,0,0,0.18) 45%, rgba(0,0,0,0.48) 100%);
      color: #fff;
      pointer-events: none;
    }

    .fb-mosaic-card .fb-swatch-label,
    .fb-mosaic-card .fb-swatch-mfr,
    .fb-mosaic-card .fb-swatch-product,
    .fb-mosaic-card .fb-swatch-meta,
    .fb-mosaic-card .fb-spec-code {
      color: rgba(255,255,255,0.88);
      text-shadow: 0 1px 4px rgba(0,0,0,0.55);
    }

    .fb-mosaic-card .fb-swatch-meta {
      display: flex;
      justify-content: flex-end;
      margin-top: 1px;
    }

    .fb-mosaic-card .fb-finish-type {
      display: none;
    }

    .fb-mosaic-card .fb-swatch-mfr,
    .fb-mosaic-card .fb-swatch-product {
      display: none;
    }

    .fb-mosaic-card .fb-swatch-label {
      font-size: 0.68rem;
      font-weight: 700;
      opacity: 0.88;
    }

    .fb-swatch-label {
      font-size: 0.83rem;
      font-weight: 600;
      color: var(--text);
      white-space: nowrap;
      overflow: hidden;
      text-overflow: ellipsis;
    }

    .fb-swatch-mfr {
      font-size: 0.7rem;
      color: var(--accent);
      margin-top: 2px;
      white-space: nowrap;
      overflow: hidden;
      text-overflow: ellipsis;
    }

    .fb-swatch-product {
      font-size: 0.67rem;
      color: var(--muted);
      margin-top: 1px;
      white-space: nowrap;
      overflow: hidden;
      text-overflow: ellipsis;
    }

    .fb-swatch-meta {
      display: flex;
      align-items: center;
      justify-content: space-between;
      margin-top: 7px;
      font-size: 0.67rem;
      color: var(--muted);
    }

    .fb-finish-type { display: flex; align-items: center; gap: 4px; }

    .fb-sheen-dots {
      letter-spacing: -1px;
      font-size: 0.58rem;
      color: var(--amber);
    }

    .fb-usage-count { display: flex; align-items: center; gap: 4px; }

    .fb-usage-dot {
      width: 6px;
      height: 6px;
      border-radius: 50%;
      background: var(--accent);
      display: inline-block;
      flex-shrink: 0;
    }

    .fb-room-codes {
      display: flex;
      align-items: center;
      gap: 4px;
      font-size: 0.63rem;
      color: var(--muted);
      white-space: nowrap;
      overflow: hidden;
      text-overflow: ellipsis;
      max-width: 120px;
    }

    .fb-room-more {
      color: var(--accent);
      font-size: 0.6rem;
      font-style: normal;
      white-space: nowrap;
    }

    /* Empty state */
    .fb-empty-state {
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: center;
      padding: 64px 24px;
      text-align: center;
    }

    .fb-empty-icon { font-size: 3rem; margin-bottom: 16px; }

    .fb-empty-title {
      font-size: 1.05rem;
      font-weight: 600;
      color: var(--text);
      margin-bottom: 8px;
    }

    .fb-empty-sub {
      font-size: 0.8rem;
      color: var(--muted);
      max-width: 340px;
      line-height: 1.65;
    }

    /* ── Schedule / Matrix View ─────────────────────────── */
    .fb-schedule-view {
      display: flex;
      flex-direction: column;
    }

    .fb-schedule-table-wrap { overflow-x: auto; }

    .fb-schedule-table {
      width: 100%;
      border-collapse: collapse;
      font-size: 0.77rem;
      min-width: 560px;
    }

    .fb-schedule-header-row th {
      position: sticky;
      top: 0;
      background: var(--panel-bg);
      border-bottom: 2px solid var(--border);
      padding: 9px 8px;
      text-align: center;
      font-weight: 700;
      font-size: 0.68rem;
      letter-spacing: 0.05em;
      color: var(--muted);
      z-index: 2;
      white-space: nowrap;
    }

    .fb-schedule-header-row th.fb-col-code,
    .fb-schedule-header-row th.fb-col-room { text-align: left; }

    .fb-col-code { width: 88px; padding-left: 12px !important; }
    .fb-col-room { min-width: 150px; }
    .fb-col-cat { width: 66px; color: hsl(var(--hue,200), 55%, 68%) !important; line-height: 1.3; }
    .fb-col-abbr { font-size: 0.62rem; font-weight: 700; display: block; }

    /* Dept / FA separator rows */
    .fb-dept-row td {
      background: var(--overlay-subtle);
      color: var(--text);
      font-weight: 700;
      font-size: 0.7rem;
      text-transform: uppercase;
      letter-spacing: 0.09em;
      padding: 7px 12px;
      border-top: 1px solid var(--border);
    }

    .fb-fa-row td {
      color: var(--muted);
      font-size: 0.68rem;
      padding: 3px 12px 3px 22px;
      background: var(--overlay-subtle);
      border-bottom: 1px solid var(--border-subtle);
    }

    /* Room rows */
    .fb-room-row {
      animation: fb-row-in 0.22s ease both;
    }

    .fb-room-row:hover { background: var(--overlay-hover); }

    .fb-room-row td {
      padding: 5px 8px;
      border-bottom: 1px solid var(--border-subtle);
      vertical-align: middle;
    }

    .fb-cell-code {
      font-family: monospace;
      font-size: 0.7rem;
      color: var(--muted);
      white-space: nowrap;
      padding-left: 12px !important;
    }

    .fb-cell-name {
      color: var(--text);
      white-space: nowrap;
      overflow: hidden;
      text-overflow: ellipsis;
      max-width: 190px;
    }

    .fb-cell-finish { text-align: center; }
    .fb-cell-empty { color: var(--muted); opacity: 0.3; }

    .fb-cell-swatch-wrap {
      display: flex;
      flex-direction: column;
      align-items: center;
      gap: 3px;
    }

    .fb-cell-swatch-dot {
      width: 30px;
      height: 22px;
      border-radius: 4px;
      border: 1px solid rgba(255,255,255,0.1);
    }

    body.light-theme .fb-cell-swatch-dot { border-color: rgba(0,0,0,0.12); }

    .fb-cell-code-label {
      font-size: 0.6rem;
      color: var(--muted);
      letter-spacing: 0.04em;
    }

    /* Finish legend strip */
    .fb-schedule-legend {
      padding: 16px 20px 20px;
      border-top: 1px solid var(--border);
    }

    .fb-legend-title {
      font-size: 0.69rem;
      font-weight: 700;
      text-transform: uppercase;
      letter-spacing: 0.1em;
      color: var(--muted);
      margin-bottom: 10px;
    }

    .fb-legend-grid {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
    }

    .fb-legend-item {
      display: flex;
      align-items: flex-start;
      gap: 8px;
      background: var(--bg-card);
      border: 1px solid var(--border);
      border-radius: 6px;
      padding: 6px 10px 6px 6px;
    }

    .fb-legend-swatch {
      width: 30px;
      height: 30px;
      border-radius: 4px;
      flex-shrink: 0;
      border: 1px solid rgba(255,255,255,0.1);
    }

    body.light-theme .fb-legend-swatch { border-color: rgba(0,0,0,0.1); }

    .fb-legend-info {
      display: flex;
      flex-direction: column;
      gap: 1px;
    }

    .fb-legend-code { font-size: 0.69rem; font-weight: 700; color: var(--text); letter-spacing: 0.05em; }
    .fb-legend-label { font-size: 0.66rem; color: var(--muted); }
    .fb-legend-mfr { font-size: 0.63rem; color: var(--accent); }

    /* ── Room Finish Assignment Section (in room detail) ── */
    .fb-room-section {
      margin-top: 2px;
      padding-bottom: 4px;
    }

    .fb-room-section-header {
      font-size: 0.78rem;
      font-weight: 600;
      color: var(--accent);
      margin-bottom: 8px;
    }

    .fb-room-row-assign {
      display: grid;
      grid-template-columns: 22px 90px 1fr;
      align-items: center;
      gap: 8px;
      margin-bottom: 6px;
    }

    .fb-room-swatch {
      width: 22px;
      height: 22px;
      border-radius: 4px;
      border: 1px solid var(--border);
      flex-shrink: 0;
    }

    .fb-room-swatch-empty { background: var(--bg-card); }

    .fb-room-cat-label {
      font-size: 0.72rem;
      color: var(--muted);
      white-space: nowrap;
    }

    .fb-room-select {
      background: var(--input-bg);
      border: 1px solid var(--input-border);
      border-radius: 5px;
      color: var(--text);
      font-size: 0.75rem;
      padding: 4px 6px;
      outline: none;
      cursor: pointer;
      width: 100%;
      transition: border-color 0.14s;
    }

    .fb-room-select:focus { border-color: var(--accent); }

    /* ── Edit / Add Modal ────────────────────────────────── */
    .fb-modal-overlay {
      display: none;
      position: fixed;
      inset: 0;
      background: var(--modal-overlay);
      z-index: 3000;
      align-items: center;
      justify-content: center;
      backdrop-filter: blur(4px);
      -webkit-backdrop-filter: blur(4px);
    }

    .fb-modal-overlay.active {
      display: flex;
      animation: fb-modal-fade 0.18s ease;
    }

    .fb-modal-panel {
      background: var(--dialog-bg);
      border: 1px solid var(--border);
      border-radius: 13px;
      width: min(660px, 95vw);
      max-height: 92vh;
      overflow-y: auto;
      box-shadow: 0 28px 90px rgba(0,0,0,0.55);
      animation: fb-modal-rise 0.26s cubic-bezier(0.34, 1.56, 0.64, 1) both;
    }

    .fb-modal-header {
      display: flex;
      align-items: center;
      justify-content: space-between;
      padding: 18px 20px 13px;
      border-bottom: 1px solid var(--border);
    }

    .fb-modal-title { font-size: 1rem; font-weight: 700; color: var(--text); }

    .fb-modal-close {
      background: none;
      border: none;
      color: var(--muted);
      font-size: 1rem;
      cursor: pointer;
      padding: 5px 8px;
      border-radius: 5px;
      transition: color 0.12s, background 0.12s;
    }

    .fb-modal-close:hover { color: var(--error); background: var(--error-faint); }

    .fb-modal-body {
      display: grid;
      grid-template-columns: 190px 1fr;
    }

    /* Preview column */
    .fb-modal-preview-col {
      padding: 20px 16px;
      border-right: 1px solid var(--border);
      display: flex;
      flex-direction: column;
      gap: 12px;
    }

    .fb-modal-preview-swatch {
      height: 150px;
      border-radius: 9px;
      border: 1px solid var(--border);
      position: relative;
      display: flex;
      align-items: flex-end;
      padding: 10px;
      transition: background-color 0.14s, background-image 0.14s;
    }

    .fb-preview-code {
      font-size: 0.82rem;
      font-weight: 800;
      letter-spacing: 0.1em;
      text-shadow: 0 1px 5px rgba(0,0,0,0.5);
      transition: color 0.14s;
    }

    .fb-modal-preview-info { text-align: center; }
    .fb-preview-label { font-size: 0.8rem; font-weight: 600; color: var(--text); min-height: 1.1em; }
    .fb-preview-mfr { font-size: 0.68rem; color: var(--muted); margin-top: 3px; min-height: 1em; }

    /* Color picker */
    .fb-color-picker-row {
      display: flex;
      align-items: center;
      gap: 8px;
      margin-top: 4px;
      min-width: 0;
    }

    input[type="color"]#fb-color-native {
      width: 34px;
      height: 34px;
      border: 1px solid var(--border);
      border-radius: 6px;
      padding: 2px;
      background: var(--input-bg);
      cursor: pointer;
      flex-shrink: 0;
    }

    .fb-color-hex {
      flex: 1 1 auto;
      min-width: 0;
      width: 100%;
      box-sizing: border-box;
      font-family: monospace;
      font-size: 0.82rem;
      letter-spacing: 0.04em;
    }

    .fb-texture-upload-row {
      display: flex;
      gap: 7px;
      min-width: 0;
    }

    .fb-texture-btn {
      flex: 1 1 0;
      min-width: 0;
      padding: 6px 8px;
      background: var(--input-bg);
      border: 1px solid var(--input-border);
      color: var(--text);
      border-radius: 6px;
      font-size: 0.76rem;
      cursor: pointer;
      transition: border-color 0.14s, background 0.14s, opacity 0.14s;
    }

    .fb-texture-btn:hover:not(:disabled) {
      border-color: var(--accent);
      background: var(--overlay-hover);
    }

    .fb-texture-btn:disabled {
      cursor: default;
      opacity: 0.45;
    }

    .fb-texture-name {
      color: var(--muted);
      font-size: 0.66rem;
      line-height: 1.25;
      overflow: hidden;
      text-overflow: ellipsis;
      white-space: nowrap;
    }

    /* Form column */
    .fb-modal-form-col {
      padding: 20px;
      display: flex;
      flex-direction: column;
      gap: 14px;
    }

    .fb-field-row { display: flex; gap: 10px; }

    .fb-field-group { display: flex; flex-direction: column; gap: 4px; }

    .fb-field-label {
      font-size: 0.69rem;
      font-weight: 700;
      color: var(--muted);
      text-transform: uppercase;
      letter-spacing: 0.07em;
    }

    .fb-input, .fb-select, .fb-textarea {
      background: var(--input-bg);
      border: 1px solid var(--input-border);
      border-radius: 6px;
      color: var(--text);
      font-size: 0.82rem;
      padding: 7px 9px;
      outline: none;
      font-family: inherit;
      transition: border-color 0.14s;
    }

    .fb-input:focus, .fb-select:focus, .fb-textarea:focus { border-color: var(--accent); }

    .fb-textarea { resize: vertical; min-height: 58px; }

    .fb-modal-footer {
      display: flex;
      justify-content: flex-end;
      gap: 10px;
      padding: 13px 20px;
      border-top: 1px solid var(--border);
    }

    .fb-btn-cancel {
      padding: 7px 16px;
      border: 1px solid var(--border);
      background: transparent;
      color: var(--muted);
      border-radius: 7px;
      font-size: 0.82rem;
      cursor: pointer;
      transition: background 0.12s, color 0.12s;
    }

    .fb-btn-cancel:hover { background: var(--overlay-hover); color: var(--text); }

    .fb-btn-save {
      padding: 7px 20px;
      background: var(--accent);
      border: none;
      color: #fff;
      border-radius: 7px;
      font-size: 0.82rem;
      font-weight: 600;
      cursor: pointer;
      transition: opacity 0.14s, transform 0.1s;
    }

    .fb-btn-save:hover { opacity: 0.83; transform: translateY(-1px); }
    .fb-btn-save:active { transform: translateY(0); }

    /* Narrow screen: stack modal columns */
    @media (max-width: 520px) {
      .fb-modal-body { grid-template-columns: 1fr; }
      .fb-modal-preview-col { border-right: none; border-bottom: 1px solid var(--border); }
    }

    /* ── Auto-populated (TIL) card treatment ────────────── */
    .fb-swatch-auto { border-style: dashed; }

    .fb-auto-badge {
      position: absolute;
      top: 5px;
      left: 5px;
      font-size: 0.54rem;
      font-weight: 800;
      letter-spacing: 0.08em;
      background: rgba(0,0,0,0.3);
      color: rgba(255,255,255,0.78);
      border-radius: 2px;
      padding: 2px 4px;
      backdrop-filter: blur(4px);
      -webkit-backdrop-filter: blur(4px);
    }

    .fb-spec-code {
      font-family: monospace;
      font-size: 0.72rem;
      opacity: 0.75;
    }

    .fb-swatch-label-spec { font-weight: 500; color: var(--muted); }

    .fb-modal-usage-section {
      margin-top: 14px;
      padding-top: 14px;
      border-top: 1px solid var(--border-subtle);
    }

    .fb-usage-room-chips {
      display: flex;
      flex-wrap: wrap;
      gap: 5px;
      margin-top: 6px;
    }

    .fb-usage-room-chip {
      display: inline-block;
      padding: 3px 8px;
      font-size: 0.67rem;
      border: 1px solid var(--border-subtle);
      border-radius: 3px;
      background: var(--overlay-subtle);
      color: var(--text);
      white-space: nowrap;
      cursor: default;
    }

    body.light-theme .fb-usage-room-chip {
      background: rgba(0,0,0,0.04);
    }

    .fb-swatch-mfr-empty {
      font-style: italic;
      opacity: 0.45;
      font-size: 0.67rem;
    }

    /* Unmatched cell in schedule (spec exists in room but not in palette) */
    .fb-cell-unmatched { opacity: 0.45; }

    .fb-cell-raw {
      font-family: monospace;
      font-size: 0.62rem;
      color: var(--muted);
    }

    /* Wide code input in modal */
    .fb-code-input-wide { font-family: monospace; font-size: 0.8rem; }

    /* ── Navigator tree node color ──────────────────────── */
    .fb-tree-label-color { color: #e891c8; }

    body.light-theme .fb-tree-label-color { color: #c0609f; }

    /* ── Room Detail Story Layer ─────────────────────────────────── */
    .room-story-root {
      height: 100%;
      overflow: auto;
      background: var(--bg);
      color: var(--text);
      padding: 18px;
      box-sizing: border-box;
    }

    .room-story-inline {
      height: auto;
      overflow: visible;
      margin: 0;
      padding: 0;
      border: none;
      border-radius: 0;
      background: transparent;
    }

    .detail-panel .room-story-inline .room-story-model-panel,
    .detail-panel .room-story-inline .room-story-narrative-panel {
      background: var(--bg);
    }

    .room-story-grid-inline {
      grid-template-columns: minmax(300px, 1.2fr) minmax(260px, 0.95fr);
    }

    .room-story-inline .room-story-canvas-wrap {
      height: 360px;
    }

    .room-story-inline .room-story-narrative-panel {
      min-height: 360px;
    }

    .room-story-picker {
      height: 100%;
      display: flex;
      flex-direction: column;
      background: var(--bg);
      color: var(--text);
      overflow: hidden;
    }

    .room-story-picker-head {
      padding: 14px;
      border-bottom: 1px solid var(--border);
      display: grid;
      gap: 12px;
    }

    .room-story-picker-head strong {
      display: block;
      font-size: 1rem;
      color: var(--text);
    }

    .room-story-picker-head span {
      display: block;
      margin-top: 3px;
      color: var(--muted);
      font-size: 0.78rem;
    }

    .room-story-picker-head input {
      width: 100%;
      box-sizing: border-box;
      border: 1px solid var(--input-border);
      border-radius: 7px;
      background: var(--input-bg);
      color: var(--text);
      padding: 8px 10px;
      font-size: 0.84rem;
      outline: none;
    }

    .room-story-picker-head input:focus { border-color: #e891c8; }

    .room-story-picker-list {
      flex: 1;
      overflow-y: auto;
      padding: 8px;
      display: grid;
      gap: 7px;
      align-content: start;
    }

    .room-story-picker-row {
      display: grid;
      grid-template-columns: 1fr auto;
      gap: 12px;
      align-items: center;
      width: 100%;
      text-align: left;
      border: 1px solid var(--border);
      border-radius: 8px;
      background: var(--bg-card);
      color: var(--text);
      padding: 10px;
      cursor: pointer;
    }

    .room-story-picker-row:hover {
      border-color: #e891c8;
      background: var(--overlay-hover);
    }

    .room-story-picker-main,
    .room-story-picker-meta {
      min-width: 0;
      display: grid;
      gap: 2px;
    }

    .room-story-picker-main strong {
      font-size: 0.84rem;
      color: #e891c8;
      white-space: nowrap;
      overflow: hidden;
      text-overflow: ellipsis;
    }

    .room-story-picker-main span,
    .room-story-picker-meta span {
      color: var(--muted);
      font-size: 0.72rem;
      white-space: nowrap;
      overflow: hidden;
      text-overflow: ellipsis;
    }

    .room-story-picker-meta {
      text-align: right;
      max-width: 190px;
    }

    .room-story-picker-empty {
      color: var(--muted);
      font-size: 0.84rem;
      padding: 18px;
      text-align: center;
    }

    .room-story-hero {
      display: flex;
      align-items: flex-start;
      justify-content: space-between;
      gap: 18px;
      margin-bottom: 16px;
    }

    .room-story-kicker {
      font-size: 0.68rem;
      color: #e891c8;
      text-transform: uppercase;
      letter-spacing: 0.08em;
      font-weight: 800;
      margin-bottom: 4px;
    }

    .room-story-hero h2 {
      margin: 0;
      font-size: 1.28rem;
      line-height: 1.2;
      color: var(--text);
    }

    .room-story-identity {
      margin-top: 5px;
      color: var(--muted);
      font-size: 0.82rem;
    }

    .room-story-score {
      width: 92px;
      height: 92px;
      border-radius: 50%;
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: center;
      flex-shrink: 0;
      background:
        radial-gradient(circle at center, var(--bg-card) 58%, transparent 60%),
        conic-gradient(#e891c8 var(--score), rgba(255,255,255,0.1) 0);
      border: 1px solid var(--border);
    }

    .room-story-score strong { font-size: 1.18rem; line-height: 1; }
    .room-story-score span { margin-top: 4px; font-size: 0.62rem; color: var(--muted); text-transform: uppercase; letter-spacing: 0.04em; }

    .room-story-grid {
      display: grid;
      grid-template-columns: minmax(360px, 1.45fr) minmax(280px, 0.9fr);
      gap: 14px;
      align-items: stretch;
    }

    .room-story-model-panel,
    .room-story-narrative-panel,
    .room-story-section {
      background: var(--bg-card);
      border: 1px solid var(--border);
      border-radius: 8px;
      overflow: hidden;
    }

    .room-story-panel-head {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 10px;
      padding: 11px 13px;
      border-bottom: 1px solid var(--border);
    }

    .room-story-panel-head strong {
      display: block;
      font-size: 0.86rem;
      color: var(--text);
    }

    .room-story-panel-head span {
      display: block;
      margin-top: 2px;
      font-size: 0.68rem;
      color: var(--muted);
    }

    .room-story-panel-head button,
    .room-story-actions button,
    .room-story-model-actions button {
      border: 1px solid var(--border);
      background: var(--input-bg);
      color: var(--text);
      border-radius: 6px;
      padding: 6px 9px;
      font-size: 0.74rem;
      cursor: pointer;
    }

    .room-story-panel-head button:hover,
    .room-story-actions button:hover,
    .room-story-model-actions button:hover {
      border-color: #e891c8;
      background: var(--overlay-hover);
    }

    .room-story-model-actions {
      display: flex;
      gap: 6px;
      flex-wrap: wrap;
      justify-content: flex-end;
    }

    .room-story-canvas-wrap {
      position: relative;
      height: 390px;
      min-height: 280px;
      background: radial-gradient(circle at top, rgba(43, 54, 67, 0.9), rgba(12, 16, 22, 0.98));
    }

    .room-story-canvas {
      display: block;
      width: 100%;
      height: 100%;
      cursor: grab;
      touch-action: none;
    }

    .room-story-canvas:active { cursor: grabbing; }

    .room-story-model-badge {
      position: absolute;
      left: 12px;
      bottom: 12px;
      max-width: calc(100% - 24px);
      padding: 6px 9px;
      border: 1px solid rgba(255,255,255,0.12);
      border-radius: 6px;
      background: rgba(0,0,0,0.42);
      color: rgba(255,255,255,0.82);
      font-size: 0.72rem;
      backdrop-filter: blur(6px);
      white-space: nowrap;
      overflow: hidden;
      text-overflow: ellipsis;
    }

    .room-story-narrative-panel {
      display: flex;
      flex-direction: column;
      min-height: 390px;
    }

    .room-story-textarea {
      flex: 1;
      min-height: 170px;
      margin: 12px;
      padding: 10px;
      resize: vertical;
      border: 1px solid var(--input-border);
      border-radius: 7px;
      background: var(--input-bg);
      color: var(--text);
      font-family: inherit;
      font-size: 0.84rem;
      line-height: 1.5;
      outline: none;
    }

    .room-story-textarea:focus { border-color: #e891c8; }

    .room-story-actions {
      display: flex;
      justify-content: flex-end;
      padding: 0 12px 10px;
    }

    .room-story-qa {
      display: grid;
      gap: 5px;
      padding: 0 12px 12px;
    }

    .room-story-qa div {
      display: flex;
      align-items: center;
      gap: 7px;
      font-size: 0.72rem;
      color: var(--muted);
    }

    .room-story-qa span {
      width: 16px;
      height: 16px;
      border-radius: 50%;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      font-size: 0.62rem;
      font-weight: 800;
      flex-shrink: 0;
    }

    .room-story-qa .ok span { background: var(--success-faint); color: var(--success); }
    .room-story-qa .warn span { background: var(--warning-faint); color: var(--warning); }

    .room-story-section {
      margin-top: 14px;
      padding: 13px;
    }

    .room-story-section-title {
      color: var(--muted);
      font-size: 0.69rem;
      font-weight: 800;
      text-transform: uppercase;
      letter-spacing: 0.08em;
      margin-bottom: 10px;
    }

    .room-story-finish-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
      gap: 10px;
    }

    .room-story-finish-card {
      display: grid;
      grid-template-columns: 58px 1fr;
      gap: 10px;
      align-items: stretch;
      border: 1px solid var(--border);
      border-radius: 8px;
      background: var(--overlay-subtle);
      padding: 8px;
      min-width: 0;
    }

    .room-story-finish-card.missing { opacity: 0.62; }
    .room-story-finish-card.unmatched { border-color: rgba(255,193,7,0.45); }

    .room-story-finish-swatch {
      min-height: 58px;
      border-radius: 6px;
      border: 1px solid rgba(255,255,255,0.1);
      display: flex;
      align-items: center;
      justify-content: center;
      color: var(--warning);
      font-weight: 800;
      background: var(--input-bg);
    }

    .room-story-finish-body { min-width: 0; }

    .room-story-finish-top {
      display: flex;
      justify-content: space-between;
      gap: 8px;
      font-size: 0.76rem;
      font-weight: 700;
      color: var(--text);
    }

    .room-story-finish-top em {
      color: var(--muted);
      font-size: 0.64rem;
      font-style: normal;
      font-weight: 500;
    }

    .room-story-finish-code {
      margin-top: 4px;
      font-size: 0.72rem;
      color: #e891c8;
      font-family: monospace;
      white-space: nowrap;
      overflow: hidden;
      text-overflow: ellipsis;
    }

    .room-story-finish-name {
      margin-top: 3px;
      font-size: 0.68rem;
      color: var(--muted);
      white-space: nowrap;
      overflow: hidden;
      text-overflow: ellipsis;
    }

    .room-story-section-split {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 18px;
    }

    .room-story-similar-list,
    .room-story-dna {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
    }

    .room-story-similar,
    .room-story-dna span {
      border: 1px solid var(--border);
      background: var(--input-bg);
      color: var(--text);
      border-radius: 6px;
      padding: 7px 9px;
      font-size: 0.74rem;
    }

    .room-story-similar {
      cursor: pointer;
      text-align: left;
      max-width: 220px;
    }

    .room-story-similar:hover { border-color: #e891c8; }
    .room-story-similar span { display: block; font-weight: 700; }
    .room-story-similar em { display: block; color: var(--muted); font-style: normal; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

    .room-story-muted {
      color: var(--muted);
      font-size: 0.78rem;
    }

    @media (max-width: 900px) {
      .room-story-grid,
      .room-story-grid-inline,
      .room-story-section-split {
        grid-template-columns: 1fr;
      }
      .room-story-canvas-wrap { height: 320px; }
    }