/* ── Blender 5.x exact palette ── */
    :root {
      --bw-bg:       #232323;
      --bw-panel:    #303030;
      --bw-surface:  #383838;
      --bw-header:   #2b2b2b;
      --bw-input:    #1d1d1d;
      --bw-widget:   #545454;
      --bw-outline:  #3d3d3d;
      --bw-text:     #e6e6e6;
      --bw-text-dim: #989898;
      --bw-muted:    #9a9a9a;
      --bw-active:   #ffa028;
      --bw-select:   #ed5700;
      --bw-blue:     #4772b3;
      --bw-green:    #7ac943;
      --bw-red:      #e03030;
      --bw-axis-x:   #e03030;
      --bw-axis-y:   #7ac943;
      --bw-axis-z:   #4772b3;
      --bw-radius:   4px;
      --bw-border:   #1a1a1a;
      --bw-separator:#252525;
      --bw-highlight: rgba(255,255,255,0.06);
      --bw-tab-active: #404040;

      /* Site palette (for Sections 4-5) */
      --bg: #0b0e11;
      --surface: #12151a;
      --border: #1e232b;
      --fg: #e6e9ef;
      --muted: #a8b0bf;
      --accent-orange: #ff9f43;
      --dg-blue: #1a6fff;
      --dg-blue-glow: rgba(26,111,255,0.5);
      --dg-blue-dim: rgba(26,111,255,0.15);
      --dg-orange: #ff6a1a;
      --dg-orange-glow: rgba(255,106,26,0.5);
      --dg-orange-dim: rgba(255,106,26,0.15);
      --signal-lime: #8dff1e;
      --signal-yellow: #efff37;
      --signal-ink: #0d1007;
      --dg-chrome: linear-gradient(135deg, #e8e8e8, #888, #e8e8e8);
      --dg-y2k-dark: #0a0e14;
      --dg-y2k-accent: #00e5ff;
      --carbon-bg-top: #0b0e11;
      --carbon-bg-bottom: #05070a;
      --carbon-thread-hi: rgba(255,255,255,0.055);
      --carbon-thread-lo: rgba(0,0,0,0.35);
      --carbon-panel-tint: rgba(18,21,26,0.92);
      --carbon-panel-shadow: rgba(0,0,0,0.55);
      --carbon-weave:
        repeating-linear-gradient(45deg, var(--carbon-thread-hi) 0 2px, rgba(0,0,0,0) 2px 6px),
        repeating-linear-gradient(-45deg, var(--carbon-thread-lo) 0 2px, rgba(0,0,0,0) 2px 6px);
      --carbon-panel:
        linear-gradient(180deg, var(--carbon-panel-tint), rgba(11,14,17,0.92));
    }

    *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

    html, body {
      min-height: 100%;
      font-family: 'Inter', 'DejaVu Sans', system-ui, -apple-system, sans-serif;
      font-size: 12px;
      line-height: 1.4;
      color: var(--bw-text);
      background: var(--bw-bg);
      -webkit-font-smoothing: antialiased;
    }

    /* ── Full-page Blender shell ── */
    .blender-shell {
      display: grid;
      grid-template-rows: auto auto 1fr var(--bw-splitter-size) auto auto;
      height: 100vh;
      width: 100vw;
      overflow: hidden;
      --bw-editor-split: 360px;
      --bw-outliner-split: 190px;
      --bw-tool-shelf-width: 38px;
      --bw-right-sidebar-width: 280px;
      --bw-timeline-height: 160px;
      --bw-splitter-size: 6px;
    }

    .blender-shell > .bw-menubar { grid-row: 1; }
    .blender-shell > .bw-workspace-tabs { grid-row: 2; }
    .blender-shell > .bw-toolbar-row { display: none; }
    .blender-shell > .bw-main { grid-row: 3; }
    .blender-shell > .bw-area-splitter--timeline { grid-row: 4; }
    .blender-shell > .bw-timeline { grid-row: 5; }
    .blender-shell > .bw-statusbar { grid-row: 6; }

    /* ── Top menu bar ── */
    .bw-menubar {
      display: flex;
      align-items: center;
      gap: 2px;
      padding: 0 6px;
      height: 26px;
      background: var(--bw-header);
      border-bottom: 1px solid var(--bw-border);
    }

    .bw-menu-item {
      padding: 3px 10px;
      border-radius: var(--bw-radius);
      color: var(--bw-text);
      font-size: 12px;
      font-weight: 400;
      cursor: pointer;
      border: none;
      background: transparent;
      font-family: inherit;
    }

    .bw-menu-item:hover {
      background: var(--bw-widget);
    }

    .bw-menu-item.active {
      background: var(--bw-widget);
      color: var(--bw-text);
    }

    .bw-editor-type-btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      flex: 0 0 auto;
      width: 24px;
      height: 22px;
      margin: 0 4px 0 0;
      border: 0;
      border-radius: var(--bw-radius);
      background: transparent;
      color: var(--bw-text);
      font: inherit;
      font-size: 13px;
      line-height: 1;
      cursor: pointer;
    }

    .bw-editor-type-btn:hover,
    .bw-editor-type-btn.active {
      background: #4772b3;
      color: #fff;
    }

    .bw-menu-popover {
      position: fixed;
      z-index: 1000;
      min-width: 220px;
      padding: 4px 0;
      border: 1px solid var(--bw-border);
      border-radius: var(--bw-radius);
      background: #2f2f2f;
      box-shadow: 0 14px 36px rgba(0,0,0,0.45);
      color: var(--bw-text);
      font-size: 12px;
    }

    .bw-menu-row {
      display: grid;
      grid-template-columns: 18px 1fr auto auto;
      align-items: center;
      gap: 8px;
      width: 100%;
      min-height: 24px;
      padding: 3px 14px;
      border: 0;
      background: transparent;
      color: inherit;
      font: inherit;
      text-align: left;
      cursor: pointer;
    }

    .bw-menu-row:hover,
    .bw-menu-row.active {
      background: #4772b3;
      color: #fff;
    }

    .bw-menu-row.is-disabled {
      color: rgba(230,230,230,0.32);
      pointer-events: none;
    }

    .bw-menu-row.is-disabled:hover {
      background: transparent;
      color: rgba(230,230,230,0.32);
    }

    .bw-menu-icon {
      width: 16px;
      text-align: center;
      color: rgba(230,230,230,0.62);
    }

    .bw-menu-row.is-separator {
      min-height: 1px;
      padding: 0;
      margin: 4px 0;
      background: var(--bw-border);
      pointer-events: none;
    }

    .bw-menu-shortcut,
    .bw-menu-arrow {
      color: rgba(230,230,230,0.55);
      font-size: 11px;
    }

    .bw-menu-popover[data-blender-ui="menu.Editor Type"] {
      width: min(760px, calc(100vw - 8px));
      padding: 8px;
    }

    .bw-overlay-popover {
      width: 300px;
      max-height: min(540px, calc(100vh - 16px));
      overflow: auto;
      padding: 10px;
      border-color: #1f1f1f;
      background: #171717;
      box-shadow: 0 18px 42px rgba(0,0,0,0.55);
      scrollbar-width: none;
    }

    .bw-gizmo-popover {
      width: 230px;
    }

    .bw-gizmo-popover .bw-overlay-row:has(.bw-overlay-value-row) {
      grid-template-columns: 1fr;
    }

    .bw-gizmo-popover .bw-overlay-value-row {
      grid-template-columns: 13px minmax(0, 1fr) 92px;
    }

    .bw-selectability-popover {
      width: 205px;
    }

    .bw-viewport-options-popover {
      width: 220px;
    }

    .bw-overlay-row--single {
      grid-template-columns: 1fr;
    }

    .bw-selectability-grid {
      display: grid;
      gap: 2px;
    }

    .bw-selectability-row {
      display: grid;
      grid-template-columns: 18px minmax(0, 1fr) 20px 20px;
      align-items: center;
      gap: 6px;
      min-height: 22px;
      padding: 2px 0;
      border: 0;
      background: transparent;
      color: rgba(230,230,230,0.82);
      font: inherit;
      text-align: left;
      cursor: pointer;
    }

    .bw-selectability-row:hover {
      color: #fff;
    }

    .bw-selectability-icon,
    .bw-selectability-state {
      display: inline-grid;
      place-items: center;
      color: rgba(230,230,230,0.82);
    }

    .bw-selectability-state {
      color: #fff;
      font-size: 12px;
    }

    .bw-selectability-label {
      min-width: 0;
      overflow: hidden;
      text-overflow: ellipsis;
      white-space: nowrap;
    }

    .bw-overlay-popover::-webkit-scrollbar {
      display: none;
    }

    .bw-overlay-popover::before {
      content: "";
      position: absolute;
      top: -7px;
      right: 36px;
      width: 14px;
      height: 14px;
      transform: rotate(45deg);
      background: #171717;
      border-left: 1px solid #1f1f1f;
      border-top: 1px solid #1f1f1f;
    }

    .bw-overlay-title {
      position: relative;
      margin: 0 0 10px;
      color: rgba(230,230,230,0.68);
      font-size: 12px;
    }

    .bw-overlay-section {
      position: relative;
      display: grid;
      gap: 6px;
      margin: 0 0 14px;
    }

    .bw-overlay-section:last-child {
      margin-bottom: 2px;
    }

    .bw-overlay-section-title {
      color: rgba(230,230,230,0.44);
      font-size: 12px;
    }

    .bw-overlay-row {
      display: grid;
      grid-template-columns: repeat(2, minmax(0, 1fr));
      gap: 8px;
      min-height: 24px;
    }

    .bw-overlay-row:has(.bw-overlay-axis-group) {
      grid-template-columns: minmax(0, 1fr) minmax(0, 1fr) minmax(96px, 1fr);
    }

    .bw-overlay-control {
      display: grid;
      grid-template-columns: 13px minmax(0, 1fr);
      align-items: center;
      gap: 4px;
      min-height: 22px;
      padding: 2px 0;
      border: 0;
      background: transparent;
      color: rgba(230,230,230,0.82);
      font: inherit;
      text-align: left;
      cursor: pointer;
    }

    .bw-overlay-control:hover {
      color: #fff;
    }

    .bw-overlay-control.is-disabled {
      color: rgba(230,230,230,0.34);
    }

    .bw-overlay-check {
      display: inline-grid;
      place-items: center;
      width: 13px;
      height: 13px;
      border-radius: 2px;
      background: #2b2b2b;
      color: #dce8ff;
      font-size: 10px;
      line-height: 1;
    }

    .bw-overlay-control.is-checked .bw-overlay-check,
    .bw-overlay-axis.active {
      background: #4772b3;
      color: #fff;
    }

    .bw-overlay-label {
      min-width: 0;
      overflow: hidden;
      text-overflow: ellipsis;
      white-space: nowrap;
    }

    .bw-overlay-value-row {
      grid-template-columns: 13px minmax(0, 1fr) 64px;
    }

    .bw-overlay-value {
      min-height: 20px;
      padding: 3px 8px;
      border-radius: 2px;
      background: #3a3a3a;
      color: rgba(230,230,230,0.88);
      text-align: right;
    }

    .bw-overlay-axis-group {
      grid-template-columns: minmax(0, 1fr) 26px 26px 26px;
      gap: 3px;
      grid-column: span 1;
    }

    .bw-overlay-axis {
      display: inline-grid;
      place-items: center;
      min-height: 20px;
      border-radius: 2px;
      background: #303030;
      color: rgba(230,230,230,0.72);
    }

    .bw-editor-type-grid {
      display: grid;
      grid-template-columns: repeat(4, minmax(155px, 1fr));
      gap: 10px;
    }

    .bw-editor-type-section {
      min-width: 0;
    }

    .bw-editor-type-heading {
      padding: 3px 8px 6px;
      border-bottom: 1px solid var(--bw-border);
      color: rgba(230,230,230,0.58);
      font-size: 12px;
    }

    .bw-editor-type-section .bw-menu-row {
      min-height: 24px;
      padding: 3px 8px;
    }

    .bw-menu-row:hover .bw-menu-shortcut,
    .bw-menu-row:hover .bw-menu-arrow,
    .bw-menu-row:hover .bw-menu-icon {
      color: rgba(255,255,255,0.9);
    }

    .bw-logo {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      width: 22px;
      height: 20px;
      margin-right: 4px;
    }

    .bw-logo svg {
      width: 16px;
      height: 16px;
    }

    .bw-menubar-spacer { flex: 1; }

    .bw-menubar-right {
      display: flex;
      align-items: center;
      gap: 4px;
      color: var(--bw-text-dim);
      font-size: 11px;
    }

    /* ── Workspace tabs ── */
    .bw-workspace-tabs {
      display: flex;
      align-items: stretch;
      height: 28px;
      background: var(--bw-header);
      border-bottom: 1px solid var(--bw-border);
      padding: 0 4px;
      gap: 1px;
      overflow-x: auto;
    }

    .bw-workspace-tab {
      display: inline-flex;
      align-items: center;
      padding: 0 12px;
      font-size: 12px;
      font-family: inherit;
      color: var(--bw-text-dim);
      background: transparent;
      border: none;
      border-bottom: 2px solid transparent;
      cursor: pointer;
      white-space: nowrap;
      transition: none;
    }

    .bw-workspace-tab:hover {
      color: var(--bw-text);
      background: var(--bw-highlight);
    }

    .bw-workspace-tab.active {
      color: var(--bw-text);
      background: var(--bw-panel);
      border-bottom-color: transparent;
      border-radius: var(--bw-radius) var(--bw-radius) 0 0;
    }

    .bw-workspace-tab-add {
      padding: 0 8px;
      color: var(--bw-text-dim);
      font-size: 14px;
      background: transparent;
      border: none;
      cursor: pointer;
      font-family: inherit;
    }

    .bw-workspace-tab-add:hover { color: var(--bw-text); }

    /* ── Header / toolbar row ── */
    .bw-toolbar-row {
      display: flex;
      align-items: center;
      gap: 4px;
      padding: 2px 6px;
      height: 28px;
      min-height: 28px;
      background: var(--bw-panel);
      border-bottom: 1px solid var(--bw-border);
      flex: 0 0 auto;
      overflow: hidden;
    }

    .bw-dropdown {
      display: inline-flex;
      align-items: center;
      gap: 4px;
      padding: 2px 8px;
      height: 22px;
      border-radius: var(--bw-radius);
      background: var(--bw-widget);
      color: var(--bw-text);
      font-size: 12px;
      font-family: inherit;
      border: none;
      cursor: pointer;
    }

    .bw-dropdown::after {
      content: "▾";
      font-size: 8px;
      color: var(--bw-text-dim);
    }

    .bw-dropdown:hover { background: #606060; }

    .bw-toolbar-btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      width: 22px;
      height: 22px;
      position: relative;
      border-radius: var(--bw-radius);
      background: transparent;
      color: var(--bw-text-dim);
      border: none;
      cursor: pointer;
      font-size: 11px;
      font-family: inherit;
    }

    .bw-toolbar-btn:hover { background: var(--bw-widget); color: var(--bw-text); }
    .bw-toolbar-btn.active { background: var(--bw-widget); color: var(--bw-text); }

    .bw-toolbar-sep {
      width: 1px;
      height: 16px;
      background: var(--bw-outline);
      margin: 0 2px;
    }

    .bw-toolbar-label {
      font-size: 12px;
      color: var(--bw-text-dim);
      padding: 0 4px;
      cursor: pointer;
      background: transparent;
      border: none;
      font-family: inherit;
    }

    .bw-toolbar-label:hover { color: var(--bw-text); }

    .bw-toolbar-spacer { flex: 1; }

    .bw-toolbar-right {
      display: flex;
      align-items: center;
      gap: 3px;
      padding-left: 4px;
      border-left: 1px solid rgba(255,255,255,0.08);
    }

    .bw-toolbar-btn.bw-viewport-gizmo-toggle {
      width: 25px;
      color: #dfe8ff;
      background: #4772b3;
      box-shadow: inset 0 0 0 1px rgba(255,255,255,0.16);
    }

    .bw-toolbar-btn.bw-viewport-gizmo-toggle::after {
      content: "";
      position: absolute;
      right: 2px;
      bottom: 2px;
      width: 0;
      height: 0;
      border-left: 3px solid transparent;
      border-right: 3px solid transparent;
      border-top: 4px solid rgba(255,255,255,0.74);
    }

    /* ── Main content area ── */
    .bw-main {
      display: grid;
      grid-template-columns:
        0
        0
        minmax(260px, 1fr)
        var(--bw-splitter-size)
        var(--bw-right-sidebar-width);
      overflow: hidden;
      min-height: 0;
    }

    /* ── Left tool shelf ── */
    .bw-tool-shelf {
      position: absolute;
      top: 28px;
      bottom: 0;
      left: 0;
      z-index: 24;
      width: var(--bw-tool-shelf-width);
      background: var(--bw-panel);
      border-right: 1px solid var(--bw-border);
      padding: 4px 3px;
      display: flex;
      flex-direction: column;
      align-items: center;
      gap: 2px;
      overflow-y: auto;
    }

    .bw-tool-btn {
      display: flex;
      align-items: center;
      justify-content: center;
      width: 30px;
      height: 30px;
      border-radius: var(--bw-radius);
      background: transparent;
      color: var(--bw-text-dim);
      border: none;
      cursor: pointer;
      font-size: 14px;
      font-family: inherit;
      position: relative;
    }

    .bw-tool-btn:hover {
      background: var(--bw-widget);
      color: var(--bw-text);
    }

    .bw-tool-btn.active {
      background: var(--bw-active);
      color: #000;
    }

    .bw-tool-btn svg {
      width: 18px;
      height: 18px;
      fill: currentColor;
    }

    .bw-tool-sep {
      width: 22px;
      height: 1px;
      background: var(--bw-outline);
      margin: 3px 0;
    }

    .bw-tool-tooltip {
      position: fixed;
      z-index: 10000;
      max-width: 340px;
      padding: 10px 12px;
      display: grid;
      gap: 3px;
      border-radius: 4px;
      color: #e9edf5;
      background: rgba(18, 18, 18, 0.98);
      box-shadow: 0 10px 28px rgba(0, 0, 0, 0.46), inset 0 1px 0 rgba(255, 255, 255, 0.06);
      font: 12px/1.35 Arial, Helvetica, sans-serif;
      pointer-events: none;
      opacity: 0;
      transform: translateY(3px);
      transition: opacity 90ms ease, transform 90ms ease;
    }

    .bw-tool-tooltip.is-visible {
      opacity: 1;
      transform: translateY(0);
    }

    .bw-tool-tooltip strong {
      color: #fff;
      font-size: 12px;
      font-weight: 700;
    }

    .bw-tool-tooltip ul {
      margin: 1px 0 0;
      padding: 0 0 0 13px;
    }

    .bw-tool-tooltip li {
      margin: 0;
    }

    .bw-tool-tooltip-shortcut {
      color: rgba(233, 237, 245, 0.78);
    }

    .bw-workspace-pane {
      display: none;
      min-width: 0;
      min-height: 0;
      overflow: hidden;
      border-right: 1px solid var(--bw-border);
      background: #303030;
    }

    .bw-workspace-pane[hidden] {
      display: none !important;
    }

    .bw-area-splitter {
      display: none;
      position: relative;
      z-index: 22;
      border: 0;
      background: var(--bw-separator);
      color: transparent;
      cursor: col-resize;
      touch-action: none;
      user-select: none;
    }

    .bw-area-splitter::before {
      content: "";
      position: absolute;
      inset: 0;
      background: rgba(255,160,40,0);
      transition: background 0.12s ease, box-shadow 0.12s ease;
    }

    .bw-area-splitter:hover::before,
    .bw-area-splitter:focus-visible::before,
    .blender-shell.is-area-resizing .bw-area-splitter.is-active::before {
      background: rgba(255,160,40,0.18);
      box-shadow: inset 0 0 0 1px rgba(255,160,40,0.42);
    }

    .bw-area-splitter:focus-visible {
      outline: 1px solid var(--bw-active);
      outline-offset: -1px;
    }

    .bw-area-splitter--main {
      grid-column: 2;
      min-width: 6px;
      cursor: col-resize;
    }

    .bw-area-splitter--right {
      display: block;
      grid-column: 4;
      min-width: 6px;
      cursor: col-resize;
    }

    .bw-area-splitter--timeline {
      display: block;
      min-height: 6px;
      cursor: row-resize;
      border-top: 1px solid var(--bw-border);
      border-bottom: 1px solid var(--bw-border);
    }

    .bw-editor-pane {
      position: relative;
      display: flex;
      min-height: 0;
      height: 100%;
      flex-direction: column;
      overflow: hidden;
      background: #303030;
      color: var(--bw-text);
    }

    .bw-editor-header {
      display: flex;
      align-items: center;
      gap: 8px;
      min-height: 28px;
      padding: 2px 8px;
      border-bottom: 1px solid var(--bw-border);
      background: var(--bw-panel);
      color: var(--bw-text-dim);
      font-size: 11px;
    }

    .bw-editor-header strong {
      color: var(--bw-text);
      font-weight: 500;
    }

    .bw-editor-spacer {
      flex: 1 1 auto;
    }

    .bw-editor-header button {
      min-height: 20px;
      padding: 1px 7px;
      border: 0;
      border-radius: 3px;
      background: transparent;
      color: var(--bw-text-dim);
      cursor: pointer;
      font: inherit;
    }

    .bw-editor-header button:hover,
    .bw-editor-header button.active {
      background: var(--bw-widget);
      color: var(--bw-text);
    }

    .bw-editor-body {
      position: relative;
      flex: 1;
      min-height: 0;
      overflow: hidden;
    }

    .bw-uv-grid {
      position: absolute;
      inset: 0;
      background-color: #303030;
      background-image:
        linear-gradient(rgba(255,255,255,0.075) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,0.075) 1px, transparent 1px),
        linear-gradient(rgba(255,255,255,0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,0.03) 1px, transparent 1px);
      background-size: 96px 96px, 96px 96px, 24px 24px, 24px 24px;
      background-position: center center;
    }

    .bw-workspace-pane--uv .bw-editor-body {
      background: #303030;
    }

    .bw-editor-type-preview {
      position: absolute;
      inset: 0;
      z-index: 70;
      display: flex;
      min-height: 0;
      flex-direction: column;
      overflow: hidden;
      border: 1px solid #0f0f0f;
      background: #303030;
      color: var(--bw-text);
    }

    .bw-editor-type-preview-header {
      display: flex;
      align-items: center;
      gap: 6px;
      min-height: 26px;
      padding: 2px 6px;
      border-bottom: 1px solid #1d1d1d;
      background: #2f2f2f;
      color: var(--bw-text-dim);
      font-size: 12px;
    }

    .bw-editor-type-preview-header button {
      min-height: 20px;
      padding: 1px 7px;
      border: 0;
      border-radius: 3px;
      background: transparent;
      color: inherit;
      cursor: pointer;
      font: inherit;
    }

    .bw-editor-type-preview-header button:hover,
    .bw-editor-type-preview-header button.active {
      background: #4772b3;
      color: #fff;
    }

    .bw-editor-type-preview-body {
      position: relative;
      flex: 1;
      min-height: 0;
      overflow: hidden;
      background: #303030;
    }

    .bw-image-editor-preview {
      background:
        radial-gradient(circle at 50% 48%, rgba(255,255,255,0.035), transparent 22%),
        #303030;
    }

    .bw-image-editor-grid {
      position: absolute;
      left: 42%;
      top: 34%;
      width: 260px;
      height: 260px;
      transform: translate(-50%, -10%);
      border: 1px solid rgba(255,255,255,0.22);
      background-image:
        linear-gradient(rgba(255,255,255,0.08) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,0.08) 1px, transparent 1px);
      background-size: 32px 32px;
    }

    .bw-image-editor-frame {
      position: absolute;
      left: 42%;
      top: 34%;
      width: 260px;
      height: 260px;
      transform: translate(-50%, -10%);
      border: 1px solid rgba(255,255,255,0.22);
      box-shadow: inset 0 0 0 1px rgba(0,0,0,0.35);
    }

    .bw-editor-nav-buttons {
      position: absolute;
      right: 12px;
      top: 12px;
      display: grid;
      gap: 8px;
    }

    .bw-editor-nav-buttons button {
      width: 30px;
      height: 30px;
      border: 0;
      border-radius: 50%;
      background: #1e1e1e;
      color: #d9dde6;
      cursor: pointer;
      font: inherit;
      box-shadow: 0 2px 8px rgba(0,0,0,0.35);
    }

    .bw-uv-editor-preview .bw-uv-grid {
      inset: 0;
    }

    .bw-uv-grid.is-compact {
      background-size: 96px 96px, 96px 96px, 32px 32px, 32px 32px;
      background-position: center center;
    }

    .bw-geometry-editor-preview .bw-node-canvas {
      background-color: #141414;
      background-size: 18px 18px;
    }

    .bw-node-active-tool {
      position: absolute;
      top: 16px;
      right: 16px;
      z-index: 3;
      width: 260px;
      padding: 12px;
      border: 1px solid rgba(255,255,255,0.08);
      border-radius: 4px;
      background: #3a3a3a;
      box-shadow: 0 14px 32px rgba(0,0,0,0.32);
      font-size: 12px;
    }

    .bw-node-active-tool strong {
      display: block;
      margin-bottom: 10px;
      color: var(--bw-text);
      font-weight: 500;
    }

    .bw-node-tool-row {
      display: inline-flex;
      align-items: center;
      gap: 8px;
    }

    .bw-node-tool-icon {
      display: inline-grid;
      place-items: center;
      width: 24px;
      height: 24px;
      border: 1px dashed #f6a11a;
      color: #f6a11a;
      background: #2c2c2c;
    }

    .bw-node-tool-icons {
      display: flex;
      gap: 4px;
      margin-top: 10px;
    }

    .bw-node-tool-icons i {
      width: 18px;
      height: 18px;
      border: 1px solid rgba(255,255,255,0.16);
      background: #4a4a4a;
    }

    .bw-uv-toolbar {
      position: absolute;
      inset: 0 auto 0 0;
      z-index: 2;
      width: 42px;
      padding: 6px 5px;
      display: grid;
      align-content: start;
      gap: 5px;
      border-right: 1px solid #1b1b1b;
      background: #2e2e2e;
      box-shadow: inset -1px 0 0 rgba(255,255,255,0.035);
    }

    .bw-uv-tool {
      width: 30px;
      height: 30px;
      display: grid;
      place-items: center;
      border: 1px solid rgba(255,255,255,0.08);
      border-radius: 3px;
      background: #242424;
      color: #d9dde6;
      font: 700 14px/1 Arial, sans-serif;
      cursor: pointer;
    }

    .bw-uv-tool:hover,
    .bw-uv-tool.active {
      color: #111;
      border-color: #f29a23;
      background: #f29a23;
      box-shadow: inset 0 0 0 1px rgba(0,0,0,0.22);
    }

    .bw-uv-tool-sep {
      width: 30px;
      height: 1px;
      margin: 1px 0;
      background: rgba(255,255,255,0.1);
    }

    .bw-workspace-pane--uv .bw-uv-grid {
      inset: 0 0 0 42px;
      overflow: hidden;
    }

    .bw-uv-cursor {
      position: absolute;
      left: 8%;
      bottom: 8%;
      width: 24px;
      height: 24px;
      border: 2px solid #e6e8ef;
      border-radius: 50%;
      transform: translate(-50%, 50%);
    }

    .bw-uv-cursor::before,
    .bw-uv-cursor::after {
      content: "";
      position: absolute;
      background: #e6e8ef;
    }

    .bw-uv-cursor::before {
      left: 50%;
      top: -8px;
      bottom: -8px;
      width: 1px;
    }

    .bw-uv-cursor::after {
      top: 50%;
      left: -8px;
      right: -8px;
      height: 1px;
    }

    .bw-uv-island {
      position: absolute;
      border: 2px solid var(--bw-active);
      background: rgba(237,87,0,0.45);
      box-shadow: inset 0 0 0 1px rgba(255,255,255,0.16);
    }

    .bw-uv-island.a { width: 64px; height: 64px; left: 38%; top: 38%; }
    .bw-uv-island.b { width: 64px; height: 64px; left: 50%; top: 38%; }
    .bw-uv-island.c { width: 64px; height: 64px; left: 50%; top: 26%; }
    .bw-uv-island.d { width: 64px; height: 64px; left: 50%; top: 50%; }
    .bw-uv-island.e { width: 64px; height: 64px; left: 62%; top: 38%; }

    .bw-node-canvas {
      position: absolute;
      inset: 0;
      background-color: #262626;
      background-image:
        linear-gradient(rgba(255,255,255,0.035) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,0.035) 1px, transparent 1px);
      background-size: 28px 28px;
    }

    .bw-node-stage {
      position: absolute;
      inset: 0;
      overflow: hidden;
    }

    .bw-node-noodles {
      position: absolute;
      inset: 0;
      z-index: 1;
      width: 100%;
      height: 100%;
      pointer-events: none;
    }

    .bw-node-noodles path {
      fill: none;
      stroke: #b58a45;
      stroke-width: 3;
      stroke-linecap: round;
      filter: drop-shadow(0 1px 1px rgba(0,0,0,0.7));
    }

    .bw-node-noodles path.is-pending {
      stroke: rgba(255,160,40,0.78);
      stroke-dasharray: 7 5;
    }

    .bw-node-card {
      position: absolute;
      width: 178px;
      z-index: 2;
      border: 1px solid #181818;
      border-radius: 6px;
      background: #2f2f2f;
      box-shadow: 0 12px 28px rgba(0,0,0,0.35);
      overflow: visible;
      font-size: 11px;
      touch-action: none;
    }

    .bw-node-card.is-selected {
      outline: 1px solid var(--bw-active);
      box-shadow: 0 12px 28px rgba(0,0,0,0.35), 0 0 0 1px rgba(255,160,40,0.32);
    }

    .bw-node-card strong {
      display: block;
      padding: 6px 8px;
      border-radius: 5px 5px 0 0;
      background: #b56624;
      color: #fff;
      font-weight: 500;
      cursor: grab;
    }

    .bw-node-card.is-dragging strong {
      cursor: grabbing;
    }

    .bw-node-card span {
      display: block;
      padding: 5px 8px;
      border-top: 1px solid rgba(0,0,0,0.35);
      color: rgba(230,230,230,0.82);
    }

    .bw-node-row {
      position: relative;
      display: block;
      min-height: 25px;
      padding: 5px 8px;
      border-top: 1px solid rgba(0,0,0,0.35);
      color: rgba(230,230,230,0.82);
      background: rgba(0,0,0,0.02);
    }

    .bw-node-row-label {
      display: block;
      overflow: hidden;
      text-overflow: ellipsis;
      white-space: nowrap;
      pointer-events: none;
    }

    .bw-node-socket {
      position: absolute;
      top: 50%;
      width: 11px;
      height: 11px;
      border: 2px solid rgba(0,0,0,0.65);
      border-radius: 50%;
      background: #b5b5b5;
      transform: translateY(-50%);
      cursor: crosshair;
      z-index: 3;
    }

    .bw-node-socket--in { left: -7px; }
    .bw-node-socket--out { right: -7px; }
    .bw-node-socket[data-socket-type="geometry"],
    .bw-node-socket[data-socket-type="mesh"],
    .bw-node-socket[data-socket-type="curve"],
    .bw-node-socket[data-socket-type="instances"] { background: #00d6a3; }
    .bw-node-socket[data-socket-type="color"],
    .bw-node-socket[data-socket-type="surface"] { background: #d6c849; }
    .bw-node-socket[data-socket-type="vector"],
    .bw-node-socket[data-socket-type="normal"] { background: #6f86de; }
    .bw-node-socket[data-socket-type="shader"],
    .bw-node-socket[data-socket-type="volume"],
    .bw-node-socket[data-socket-type="displacement"] { background: #61c56d; }
    .bw-node-socket.is-hot {
      box-shadow: 0 0 0 5px rgba(255,160,40,0.22), 0 0 14px rgba(255,160,40,0.6);
    }
    .bw-node-socket.is-connected {
      box-shadow: 0 0 0 4px rgba(255,160,40,0.13);
    }

    .bw-node-card--output strong { background: #8b3d74; }
    .bw-node-card--input strong { background: #516a8f; }
    .bw-node-card--geometry strong { background: #3f6f4f; }
    .bw-node-card--mesh strong { background: #6a6741; }
    .bw-node-card--curve strong { background: #5d5477; }
    .bw-node-card--texture strong { background: #776241; }
    .bw-node-card--color strong { background: #7a4f4f; }
    .bw-node-card--vector strong { background: #4d677a; }
    .bw-node-card--converter strong { background: #6f5a3f; }

    .bw-node-card--bsdf { left: 12%; top: 34%; }
    .bw-node-card--output { left: 56%; top: 38%; }
    .bw-node-card--input { left: 18%; top: 18%; }

    .bw-node-palette {
      position: fixed;
      z-index: 1500;
      width: 290px;
      max-height: min(620px, calc(100vh - 40px));
      display: grid;
      grid-template-rows: auto 1fr;
      border: 1px solid var(--bw-border);
      border-radius: 5px;
      background: #2f2f2f;
      box-shadow: 0 18px 46px rgba(0,0,0,0.55);
      overflow: hidden;
    }

    .bw-node-palette-search {
      padding: 6px;
      border-bottom: 1px solid var(--bw-border);
      background: #292929;
    }

    .bw-node-palette-search input {
      width: 100%;
      height: 24px;
      border: 1px solid var(--bw-outline);
      border-radius: 4px;
      background: var(--bw-input);
      color: var(--bw-text);
      font: inherit;
      font-size: 11px;
      padding: 0 8px;
    }

    .bw-node-palette-list {
      min-height: 0;
      overflow-y: auto;
      padding: 4px;
    }

    .bw-node-category-title {
      padding: 6px 8px 3px;
      color: var(--bw-active);
      font-size: 10px;
      font-weight: 700;
      text-transform: uppercase;
      letter-spacing: 0.04em;
    }

    .bw-node-option {
      width: 100%;
      min-height: 24px;
      display: flex;
      align-items: center;
      gap: 7px;
      padding: 3px 8px;
      border: 0;
      border-radius: 3px;
      background: transparent;
      color: var(--bw-text);
      cursor: pointer;
      font: inherit;
      font-size: 11px;
      text-align: left;
    }

    .bw-node-option:hover {
      background: #4772b3;
      color: #fff;
    }

    .bw-node-option-dot {
      width: 9px;
      height: 9px;
      border-radius: 50%;
      background: var(--bw-active);
      flex: 0 0 auto;
    }

    .bw-node-link {
      display: none;
      position: absolute;
      left: 38%;
      top: 47%;
      width: 22%;
      height: 2px;
      background: #a9894a;
      transform: rotate(5deg);
      transform-origin: left center;
      box-shadow: 0 0 0 1px rgba(0,0,0,0.2);
    }

    .bw-graph-canvas,
    .bw-spreadsheet-canvas,
    .bw-console-canvas,
    .bw-render-canvas {
      position: absolute;
      inset: 0;
      padding: 18px;
      color: rgba(230,230,230,0.76);
      font-family: Consolas, Monaco, monospace;
      font-size: 11px;
      line-height: 1.65;
    }

    .bw-graph-canvas {
      background-image:
        linear-gradient(rgba(255,255,255,0.04) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,0.04) 1px, transparent 1px);
      background-size: 36px 24px;
    }

    .bw-graph-curve {
      position: absolute;
      left: 12%;
      right: 10%;
      top: 48%;
      height: 3px;
      background: var(--bw-active);
      transform: skewY(-8deg);
      box-shadow: 90px -46px 0 -1px var(--bw-active), 220px 24px 0 -1px var(--bw-active);
    }

    .bw-render-frame {
      position: absolute;
      inset: 9% 12%;
      border: 1px solid rgba(255,255,255,0.14);
      background:
        radial-gradient(circle at 50% 45%, rgba(255,160,40,0.3), transparent 28%),
        linear-gradient(135deg, #191919, #343434);
      box-shadow: inset 0 0 0 1px rgba(0,0,0,0.45);
    }

    .bw-brush-shelf {
      display: none;
      align-items: center;
      gap: 6px;
      min-height: 76px;
      padding: 8px;
      border-top: 1px solid var(--bw-border);
      background: #262626;
      overflow-x: auto;
    }

    .bw-brush-thumb {
      width: 54px;
      height: 54px;
      flex: 0 0 auto;
      border-radius: 4px;
      border: 1px solid rgba(255,255,255,0.08);
      background:
        radial-gradient(circle at 42% 42%, rgba(255,255,255,0.86), rgba(170,170,170,0.72) 32%, rgba(80,80,80,0.88) 68%),
        #353535;
    }

    .bw-brush-thumb.active {
      border-color: #4772b3;
      box-shadow: inset 0 0 0 2px #4772b3;
    }

    /* ── 3D Viewport ── */
    .bw-viewport {
      grid-column: 3;
      position: relative;
      background: #2a2a2a;
      overflow: hidden;
      display: flex;
      flex-direction: column;
    }

    .bw-workspace-uv-editing .bw-main,
    .bw-workspace-texture-paint .bw-main,
    .bw-workspace-shading .bw-main,
    .bw-workspace-animation .bw-main,
    .bw-workspace-geometry-nodes .bw-main,
    .bw-workspace-scripting .bw-main {
      grid-template-columns:
        minmax(190px, var(--bw-editor-split))
        var(--bw-splitter-size)
        minmax(160px, 1fr)
        var(--bw-splitter-size)
        var(--bw-right-sidebar-width);
    }

    .bw-workspace-rendering .bw-main,
    .bw-workspace-compositing .bw-main {
      grid-template-columns:
        0
        0
        minmax(260px, 1fr)
        var(--bw-splitter-size)
        var(--bw-right-sidebar-width);
    }

    .bw-workspace-uv-editing .bw-workspace-pane--uv,
    .bw-workspace-texture-paint .bw-workspace-pane--texture,
    .bw-workspace-shading .bw-workspace-pane--shader,
    .bw-workspace-animation .bw-workspace-pane--graph,
    .bw-workspace-rendering .bw-workspace-pane--render,
    .bw-workspace-compositing .bw-workspace-pane--render,
    .bw-workspace-geometry-nodes .bw-workspace-pane--geometry,
    .bw-workspace-scripting .bw-workspace-pane--script {
      display: block;
      grid-column: 1;
    }

    .bw-workspace-uv-editing .bw-area-splitter--main,
    .bw-workspace-texture-paint .bw-area-splitter--main,
    .bw-workspace-shading .bw-area-splitter--main,
    .bw-workspace-animation .bw-area-splitter--main,
    .bw-workspace-geometry-nodes .bw-area-splitter--main,
    .bw-workspace-scripting .bw-area-splitter--main {
      display: block;
    }

    .bw-workspace-uv-editing .bw-viewport,
    .bw-workspace-texture-paint .bw-viewport,
    .bw-workspace-shading .bw-viewport,
    .bw-workspace-animation .bw-viewport,
    .bw-workspace-rendering .bw-viewport,
    .bw-workspace-compositing .bw-viewport,
    .bw-workspace-geometry-nodes .bw-viewport,
    .bw-workspace-scripting .bw-viewport {
      grid-column: 3;
    }

    .bw-workspace-rendering .bw-viewport,
    .bw-workspace-compositing .bw-viewport {
      grid-column: 3;
    }

    .bw-workspace-uv-editing .bw-sidebar,
    .bw-workspace-texture-paint .bw-sidebar,
    .bw-workspace-shading .bw-sidebar,
    .bw-workspace-animation .bw-sidebar,
    .bw-workspace-rendering .bw-sidebar,
    .bw-workspace-compositing .bw-sidebar,
    .bw-workspace-geometry-nodes .bw-sidebar,
    .bw-workspace-scripting .bw-sidebar {
      grid-column: 5;
    }

    .bw-workspace-rendering .bw-sidebar,
    .bw-workspace-compositing .bw-sidebar {
      grid-column: 5;
    }

    .bw-workspace-sculpting .bw-timeline,
    .bw-workspace-uv-editing .bw-timeline,
    .bw-workspace-texture-paint .bw-timeline,
    .bw-workspace-shading .bw-timeline,
    .bw-workspace-rendering .bw-timeline,
    .bw-workspace-compositing .bw-timeline,
    .bw-workspace-geometry-nodes .bw-timeline,
    .bw-workspace-scripting .bw-timeline {
      display: none;
    }

    .bw-workspace-sculpting .bw-area-splitter--timeline,
    .bw-workspace-uv-editing .bw-area-splitter--timeline,
    .bw-workspace-texture-paint .bw-area-splitter--timeline,
    .bw-workspace-shading .bw-area-splitter--timeline,
    .bw-workspace-rendering .bw-area-splitter--timeline,
    .bw-workspace-compositing .bw-area-splitter--timeline,
    .bw-workspace-geometry-nodes .bw-area-splitter--timeline,
    .bw-workspace-scripting .bw-area-splitter--timeline {
      display: none;
    }

    .bw-workspace-sculpting .bw-brush-shelf,
    .bw-workspace-texture-paint .bw-brush-shelf {
      display: flex;
    }

    .bw-workspace-sculpting .bw-viewport-canvas {
      background: #3d3d3d;
    }

    .bw-workspace-modeling .bw-cube-face,
    .bw-workspace-uv-editing .bw-cube-face {
      border-width: 3px;
    }

    .bw-workspace-modeling .bw-cube-face::after,
    .bw-workspace-uv-editing .bw-cube-face::after {
      content: "";
      position: absolute;
      inset: 18%;
      border: 1px solid rgba(255,160,40,0.45);
    }

    .bw-viewport-canvas {
      flex: 1;
      position: relative;
      overflow: hidden;
    }

    .bw-three-viewport {
      position: absolute;
      inset: 0;
      z-index: 1;
      display: block;
      width: 100%;
      height: 100%;
      background: #2a2a2a;
      touch-action: none;
      visibility: hidden;
    }

    .bw-viewport-canvas.is-three-ready .bw-three-viewport {
      visibility: visible;
    }

    .bw-three-error {
      position: absolute;
      left: 50%;
      top: 50%;
      z-index: 28;
      width: min(440px, calc(100% - 32px));
      transform: translate(-50%, -50%);
      padding: 14px 16px;
      border: 1px solid rgba(255, 153, 31, 0.55);
      background: rgba(14, 16, 20, 0.94);
      box-shadow: 0 18px 44px rgba(0,0,0,0.38), inset 0 1px 0 rgba(255,255,255,0.05);
      color: rgba(244,247,251,0.9);
      font-size: 12px;
      line-height: 1.45;
      pointer-events: none;
    }

    .bw-three-error strong {
      display: block;
      margin-bottom: 5px;
      color: #ff9f22;
      font-family: Impact, Haettenschweiler, 'Arial Narrow Bold', sans-serif;
      font-size: 14px;
      font-style: italic;
      letter-spacing: 1px;
      text-transform: uppercase;
    }

    .bw-three-error span {
      display: block;
    }

    .bw-three-error[hidden],
    .bw-viewport-canvas.is-three-ready .bw-three-error {
      display: none;
    }

    .bw-viewport-canvas.is-three-ready .bw-grid,
    .bw-viewport-canvas.is-three-ready .bw-axis-line,
    .bw-viewport-canvas.is-three-ready .bw-camera,
    .bw-viewport-canvas.is-three-ready .bw-light,
    .bw-viewport-canvas.is-three-ready .bw-cube-container,
    .bw-viewport-canvas.is-three-ready .bw-viewport-label {
      display: none;
    }

    .bw-viewport-canvas.is-grid-hidden .bw-grid {
      display: none;
    }

    /* Grid floor */
    .bw-grid {
      position: absolute;
      inset: 0;
      background-image:
        linear-gradient(rgba(255,255,255,0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,0.03) 1px, transparent 1px);
      background-size: 32px 32px;
      background-position: center center;
    }

    .bw-grid::after {
      content: "";
      position: absolute;
      inset: 0;
      background: radial-gradient(ellipse at center 65%, transparent 20%, rgba(42,42,42,0.9) 70%);
    }

    /* Axis lines */
    .bw-axis-line {
      position: absolute;
    }

    .bw-axis-x-line {
      top: 60%;
      left: 0;
      right: 0;
      height: 1px;
      background: linear-gradient(90deg, transparent 20%, var(--bw-axis-x) 48%, rgba(224,48,48,0.4) 52%, transparent 80%);
    }

    .bw-axis-y-line {
      left: 50%;
      top: 0;
      bottom: 0;
      width: 1px;
      background: linear-gradient(180deg, transparent 10%, var(--bw-axis-y) 40%, rgba(122,201,67,0.3) 65%, transparent 90%);
    }

    /* Default cube */
    .bw-cube-container {
      position: absolute;
      top: 50%;
      left: 54%;
      transform: translate(-50%, -50%);
    }

    .bw-cube {
      width: 160px;
      height: 140px;
      position: relative;
    }

    .bw-cube-face {
      position: absolute;
      border: 2px solid var(--bw-active);
    }

    .bw-cube-top {
      width: 120px;
      height: 50px;
      top: 0;
      left: 20px;
      transform: skewX(-30deg);
      background: rgba(100,100,100,0.12);
    }

    .bw-cube-front {
      width: 100px;
      height: 90px;
      top: 35px;
      left: 0;
      background: rgba(80,80,80,0.08);
    }

    .bw-cube-right {
      width: 60px;
      height: 90px;
      top: 35px;
      left: 100px;
      transform: skewY(-30deg);
      background: rgba(70,70,70,0.06);
    }

    /* Origin dot */
    .bw-origin-dot {
      position: absolute;
      top: 50%;
      left: 50%;
      transform: translate(-50%, -50%);
      width: 8px;
      height: 8px;
      border-radius: 50%;
      background: var(--bw-active);
      box-shadow: 0 0 0 2px rgba(255,160,40,0.3);
      z-index: 2;
    }

    /* Camera wireframe */
    .bw-camera {
      position: absolute;
      top: 26%;
      left: 20%;
    }

    .bw-camera-body {
      width: 40px;
      height: 28px;
      border: 1.5px solid rgba(150,150,150,0.6);
      background: transparent;
      transform: rotate(-8deg);
      position: relative;
    }

    .bw-camera-top {
      position: absolute;
      top: -12px;
      left: 50%;
      transform: translateX(-50%);
      width: 0;
      height: 0;
      border-left: 8px solid transparent;
      border-right: 8px solid transparent;
      border-bottom: 12px solid rgba(150,150,150,0.6);
    }

    /* Light icon */
    .bw-light {
      position: absolute;
      top: 22%;
      right: 30%;
    }

    .bw-light-dot {
      width: 14px;
      height: 14px;
      border-radius: 50%;
      border: 1.5px dashed rgba(200,180,80,0.5);
      position: relative;
      background: transparent;
    }

    .bw-light-rays {
      position: absolute;
      top: 50%;
      left: 50%;
      width: 28px;
      height: 28px;
      transform: translate(-50%, -50%);
    }

    .bw-light-rays::before,
    .bw-light-rays::after {
      content: "";
      position: absolute;
      background: rgba(200,180,80,0.45);
    }

    .bw-light-rays::before {
      width: 1px;
      height: 100%;
      left: 50%;
      top: 0;
    }

    .bw-light-rays::after {
      width: 100%;
      height: 1px;
      top: 50%;
      left: 0;
    }

    /* Viewport overlays */
    .bw-viewport-info {
      position: absolute;
      top: 8px;
      left: 8px;
      z-index: 6;
    }

    .bw-viewport-info span {
      display: block;
      font-size: 11px;
      color: rgba(230,230,230,0.7);
      text-shadow: 0 1px 2px rgba(0,0,0,0.5);
    }

    /* Viewport object labels */
    .bw-viewport-label {
      position: absolute;
      font-size: 10px;
      color: rgba(230,230,230,0.5);
      text-shadow: 0 1px 3px rgba(0,0,0,0.6);
      pointer-events: none;
      z-index: 3;
      white-space: nowrap;
    }

    /* Gizmo navigation widget (top right of viewport) */
    .bw-nav-gizmo {
      position: absolute;
      top: 12px;
      right: 14px;
      z-index: 6;
      width: 80px;
      height: 80px;
      user-select: none;
    }

    .bw-gizmo-ring {
      width: 72px;
      height: 72px;
      border: 1.5px solid rgba(255,255,255,0.15);
      border-radius: 50%;
      position: relative;
      margin: 4px auto 0;
      cursor: grab;
    }

    .bw-gizmo-ring.is-orbiting {
      cursor: grabbing;
    }

    .bw-gizmo-axis {
      position: absolute;
      top: 50%;
      left: 50%;
      transform-origin: 0 0;
      height: 2px;
      border-radius: 1px;
    }

    .bw-gizmo-axis-x {
      width: 28px;
      background: var(--bw-axis-x);
      transform: rotate(0deg);
    }

    .bw-gizmo-axis-y {
      width: 28px;
      background: var(--bw-axis-y);
      transform: rotate(-90deg);
    }

    .bw-gizmo-axis-z {
      width: 22px;
      background: var(--bw-axis-z);
      transform: rotate(-45deg);
    }

    .bw-gizmo-label {
      position: absolute;
      font-size: 10px;
      font-weight: 700;
      border: 0;
      background: transparent;
      font: inherit;
      line-height: 1;
      cursor: pointer;
    }

    .bw-gizmo-label:hover,
    .bw-gizmo-label:focus-visible {
      filter: brightness(1.35);
      outline: 1px solid rgba(255,255,255,0.36);
      outline-offset: 3px;
    }

    .bw-gizmo-label.is-active {
      text-shadow: 0 0 8px currentColor;
    }

    .bw-gizmo-label-x {
      right: -4px;
      top: 50%;
      transform: translateY(-50%);
      color: var(--bw-axis-x);
    }

    .bw-gizmo-label-y {
      top: -2px;
      left: 50%;
      transform: translateX(-50%);
      color: var(--bw-axis-y);
    }

    .bw-gizmo-label-z {
      top: 8px;
      right: 4px;
      color: var(--bw-axis-z);
    }

    .bw-gizmo-dot {
      position: absolute;
      top: 50%;
      left: 50%;
      transform: translate(-50%, -50%);
      width: 6px;
      height: 6px;
      border-radius: 50%;
      background: #aaa;
    }

    /* Viewport right-side mini toolbar (overlays/shading) */
    .bw-viewport-shading {
      position: absolute;
      top: 12px;
      right: 100px;
      z-index: 5;
      display: flex;
      gap: 2px;
      background: rgba(43,43,43,0.85);
      border-radius: var(--bw-radius);
      padding: 2px;
    }

    .bw-shading-btn {
      width: 22px;
      height: 22px;
      border-radius: 3px;
      background: transparent;
      color: var(--bw-text-dim);
      border: none;
      cursor: pointer;
      font-size: 11px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      font-family: inherit;
    }

    .bw-shading-btn:hover { background: var(--bw-widget); color: var(--bw-text); }
    .bw-shading-btn.active { background: var(--bw-widget); color: var(--bw-text); }

    .bw-npanel {
      position: absolute;
      top: 78px;
      right: 0;
      z-index: 6;
      width: 245px;
      max-height: min(70%, 480px);
      display: grid;
      grid-template-columns: 1fr 22px;
      border: 1px solid rgba(0,0,0,0.48);
      border-radius: 5px;
      background: rgba(48,48,48,0.94);
      box-shadow: 0 10px 24px rgba(0,0,0,0.24);
      overflow: hidden;
    }

    .bw-npanel.is-collapsed {
      width: 22px;
      grid-template-columns: 22px;
    }

    .bw-npanel.is-collapsed .bw-npanel-body {
      display: none;
    }

    .bw-npanel-body {
      min-height: 0;
      overflow-y: auto;
      padding: 8px;
    }

    .bw-npanel-tabs {
      display: flex;
      flex-direction: column;
      border-left: 1px solid rgba(0,0,0,0.35);
      background: #242424;
    }

    .bw-npanel.is-collapsed .bw-npanel-tabs {
      border-left: 0;
    }

    .bw-npanel-tab {
      height: 54px;
      padding: 6px 0;
      border: 0;
      border-bottom: 1px solid var(--bw-border);
      background: transparent;
      color: var(--bw-text-dim);
      font: inherit;
      font-size: 11px;
      cursor: pointer;
      writing-mode: vertical-rl;
      transform: rotate(180deg);
    }

    .bw-npanel-tab:hover,
    .bw-npanel-tab.active {
      background: var(--bw-widget);
      color: var(--bw-text);
    }

    .bw-npanel-title {
      display: flex;
      align-items: center;
      gap: 6px;
      min-height: 22px;
      padding-bottom: 7px;
      color: var(--bw-text);
      font-size: 12px;
    }

    .bw-option-line {
      display: grid;
      grid-template-columns: 1fr auto;
      align-items: center;
      gap: 8px;
      min-height: 24px;
      color: var(--bw-text-dim);
      font-size: 11px;
    }

    .bw-check {
      width: 12px;
      height: 12px;
      border-radius: 2px;
      background: var(--bw-widget);
      border: 1px solid var(--bw-outline);
      display: inline-block;
    }

    .bw-check.checked {
      background: #4772b3;
      border-color: #7aa7e8;
    }

    /* ── Right sidebar ── */
    .bw-sidebar {
      grid-column: 5;
      display: grid;
      grid-template-rows: minmax(100px, var(--bw-outliner-split)) 6px minmax(0, 1fr);
      grid-template-columns: 28px 1fr;
      border-left: 1px solid var(--bw-border);
      background: var(--bw-panel);
      overflow: hidden;
      min-height: 0;
    }

    /* Outliner */
    .bw-outliner {
      grid-row: 1;
      grid-column: 1 / -1;
      border-bottom: 1px solid var(--bw-border);
      min-height: 0;
      max-height: none;
      display: flex;
      flex-direction: column;
    }

    .bw-area-splitter--sidebar {
      display: block;
      grid-row: 2;
      grid-column: 1 / -1;
      min-height: 6px;
      border-top: 1px solid var(--bw-border);
      border-bottom: 1px solid var(--bw-border);
      cursor: row-resize;
    }

    .bw-panel-header {
      display: flex;
      align-items: center;
      gap: 4px;
      padding: 2px 6px;
      height: 24px;
      background: var(--bw-header);
      border-bottom: 1px solid var(--bw-border);
      font-size: 11px;
      color: var(--bw-text-dim);
      flex-shrink: 0;
    }

    .bw-panel-header-icon {
      font-size: 12px;
      color: var(--bw-text-dim);
    }

    .bw-panel-header-title {
      flex: 1;
    }

    .bw-outliner-tree {
      flex: 1;
      overflow-y: auto;
      padding: 2px 0;
    }

    .bw-tree-row {
      display: flex;
      align-items: center;
      gap: 4px;
      padding: 2px 6px 2px 8px;
      height: 22px;
      cursor: pointer;
      font-size: 12px;
      color: var(--bw-text);
      border: none;
      background: transparent;
      width: 100%;
      text-align: left;
      font-family: inherit;
    }

    .bw-tree-row:hover { background: var(--bw-highlight); }

    .bw-tree-row.selected {
      background: rgba(255,160,40,0.15);
    }

    .bw-tree-row.selected .bw-tree-label {
      color: var(--bw-active);
    }

    .bw-tree-indent { width: 16px; flex-shrink: 0; }

    .bw-tree-expand {
      width: 12px;
      font-size: 8px;
      color: var(--bw-text-dim);
      flex-shrink: 0;
      text-align: center;
    }

    .bw-tree-icon {
      width: 16px;
      height: 16px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      font-size: 12px;
      flex-shrink: 0;
    }

    .bw-tree-icon-camera { color: var(--bw-text-dim); }
    .bw-tree-icon-mesh { color: var(--bw-green); }
    .bw-tree-icon-light { color: #e8c840; }
    .bw-tree-icon-collection { color: var(--bw-text-dim); }

    .bw-tree-row.selected .bw-tree-icon-mesh { color: var(--bw-active); }

    .bw-tree-label { flex: 1; }

    .bw-tree-vis {
      display: flex;
      gap: 2px;
      align-items: center;
    }

    .bw-tree-vis-btn {
      width: 18px;
      height: 18px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      font-size: 10px;
      color: var(--bw-text-dim);
      background: transparent;
      border: none;
      cursor: pointer;
      border-radius: 2px;
      font-family: inherit;
    }

    .bw-tree-vis-btn:hover { color: var(--bw-text); background: var(--bw-widget); }

    /* ── Properties panel ── */
    .bw-properties {
      grid-row: 3;
      grid-column: 2;
      display: flex;
      flex-direction: column;
      overflow: hidden;
      min-height: 0;
    }

    /* ── Properties icon sidebar (vertical strip) ── */
    .bw-props-icon-strip {
      grid-row: 3;
      grid-column: 1;
      display: flex;
      flex-direction: column;
      align-items: center;
      gap: 1px;
      padding: 4px 2px;
      background: var(--bw-header);
      border-right: 1px solid var(--bw-border);
      overflow-y: auto;
    }

    .bw-props-icon-btn {
      display: flex;
      align-items: center;
      justify-content: center;
      width: 22px;
      height: 22px;
      border-radius: 3px;
      border: none;
      background: transparent;
      color: var(--bw-text-dim);
      cursor: pointer;
      font-size: 11px;
      font-family: inherit;
    }

    .bw-props-icon-btn:hover { background: var(--bw-widget); color: var(--bw-text); }
    .bw-props-icon-btn.active { background: var(--bw-widget); color: var(--bw-text); }

    .bw-props-search {
      display: flex;
      align-items: center;
      gap: 6px;
      padding: 5px 8px;
      border-bottom: 1px solid var(--bw-border);
      background: var(--bw-panel);
    }

    .bw-props-search input {
      width: 100%;
      height: 22px;
      padding: 0 8px;
      border: 1px solid var(--bw-outline);
      border-radius: var(--bw-radius);
      background: var(--bw-input);
      color: var(--bw-text);
      font: inherit;
      font-size: 11px;
    }

    .bw-props-tabs {
      display: none;
    }

    .bw-prop-tab {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      width: 22px;
      height: 20px;
      border-radius: 3px;
      background: transparent;
      color: var(--bw-text-dim);
      border: none;
      cursor: pointer;
      font-size: 10px;
      font-family: inherit;
    }

    .bw-prop-tab:hover { background: var(--bw-widget); color: var(--bw-text); }
    .bw-prop-tab.active { background: var(--bw-widget); color: var(--bw-text); }

    .bw-props-scroll {
      flex: 1;
      overflow-y: auto;
      padding: 0;
    }

    /* Object name row */
    .bw-obj-name-row {
      display: flex;
      align-items: center;
      gap: 6px;
      padding: 6px 8px;
      border-bottom: 1px solid var(--bw-border);
    }

    .bw-obj-icon {
      width: 18px;
      height: 18px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      color: var(--bw-active);
      font-size: 11px;
    }

    .bw-obj-name-input {
      flex: 1;
      height: 22px;
      padding: 0 6px;
      border-radius: var(--bw-radius);
      border: 1px solid var(--bw-outline);
      background: var(--bw-input);
      color: var(--bw-text);
      font-family: inherit;
      font-size: 12px;
    }

    .bw-obj-name-input:focus {
      outline: none;
      border-color: var(--bw-active);
    }

    /* Second name row for mesh data */
    .bw-obj-name-row + .bw-obj-name-row {
      border-top: none;
    }

    .bw-material-context-row {
      gap: 7px;
      color: var(--bw-text);
      font-size: 12px;
    }

    .bw-material-context-row span {
      color: var(--bw-text-dim);
    }

    .bw-material-slot-panel {
      display: grid;
      grid-template-columns: minmax(0, 1fr) 24px;
      gap: 5px;
      padding: 5px 6px;
      border-bottom: 1px solid var(--bw-border);
      background: var(--bw-panel);
    }

    .bw-material-slot-list {
      min-height: 82px;
      padding: 6px;
      border: 1px solid var(--bw-outline);
      border-radius: var(--bw-radius);
      background: #202020;
    }

    .bw-material-slot {
      width: 100%;
      min-height: 20px;
      padding: 2px 8px;
      border: 0;
      border-radius: var(--bw-radius);
      background: transparent;
      color: var(--bw-text);
      font: inherit;
      font-size: 12px;
      text-align: left;
    }

    .bw-material-slot.active {
      background: #4777bd;
      color: #fff;
    }

    .bw-material-slot-actions {
      display: grid;
      align-content: start;
      gap: 3px;
    }

    .bw-material-slot-actions button,
    .bw-material-name-row button {
      min-width: 22px;
      min-height: 22px;
      border: 1px solid var(--bw-outline);
      border-radius: var(--bw-radius);
      background: var(--bw-widget);
      color: var(--bw-text);
      font: inherit;
      font-size: 12px;
      cursor: pointer;
    }

    .bw-material-slot-actions button:hover,
    .bw-material-name-row button:hover,
    .bw-material-preview-types button:hover,
    .bw-material-preview-types button.active {
      background: #4777bd;
      color: #fff;
    }

    .bw-material-name-row {
      display: grid;
      grid-template-columns: auto minmax(0, 1fr) repeat(4, auto);
      gap: 3px;
      padding: 5px 6px;
      border-bottom: 1px solid var(--bw-border);
      background: var(--bw-panel);
    }

    .bw-material-preview {
      position: relative;
      display: grid;
      grid-template-columns: minmax(0, 1fr) 24px;
      gap: 7px;
      min-height: 116px;
      padding: 3px;
      border-radius: var(--bw-radius);
      background: #303030;
    }

    .bw-material-preview-stage {
      position: relative;
      min-height: 112px;
      overflow: hidden;
      border-radius: var(--bw-radius);
      background:
        linear-gradient(45deg, rgba(255,255,255,0.16) 25%, transparent 25% 75%, rgba(255,255,255,0.16) 75%),
        linear-gradient(45deg, rgba(255,255,255,0.16) 25%, transparent 25% 75%, rgba(255,255,255,0.16) 75%),
        #5c5c5c;
      background-position: 0 0, 16px 16px;
      background-size: 32px 32px;
    }

    .bw-material-preview-stage::after {
      content: "";
      position: absolute;
      inset: auto -18px -18px 38%;
      height: 60px;
      transform: rotate(-9deg);
      background: radial-gradient(ellipse at center, rgba(0,0,0,0.48), transparent 68%);
      opacity: 0.65;
    }

    .bw-material-preview-object {
      position: absolute;
      left: 50%;
      top: 50%;
      width: 78px;
      height: 78px;
      transform: translate(-50%, -42%);
      background: radial-gradient(circle at 34% 26%, #ffffff, #cfcfcf 58%, #8e8e8e 100%);
      box-shadow: 0 14px 20px rgba(0,0,0,0.36);
      border-radius: 50%;
    }

    .bw-material-preview-stage[data-preview-shape="flat"] .bw-material-preview-object {
      width: 86px;
      height: 54px;
      border-radius: 2px;
      transform: translate(-50%, -36%) skewX(-10deg);
    }

    .bw-material-preview-stage[data-preview-shape="cube"] .bw-material-preview-object {
      width: 78px;
      height: 68px;
      border-radius: 3px;
      transform: translate(-50%, -40%) rotateX(58deg) rotateZ(45deg);
      background: linear-gradient(135deg, #fafafa 0 48%, #cdcdcd 49% 100%);
    }

    .bw-material-preview-stage[data-preview-shape="hair"] .bw-material-preview-object {
      width: 92px;
      height: 82px;
      border-radius: 48% 52% 45% 55%;
      background:
        repeating-radial-gradient(ellipse at 42% 50%, rgba(255,255,255,0.96) 0 2px, rgba(180,180,180,0.82) 2px 4px, transparent 4px 7px);
      box-shadow: none;
    }

    .bw-material-preview-stage[data-preview-shape="shader-ball"] .bw-material-preview-object {
      width: 84px;
      height: 84px;
      border-radius: 50%;
      background:
        radial-gradient(circle at 34% 24%, #fff, #cfcfcf 55%, #8a8a8a 100%);
    }

    .bw-material-preview-stage[data-preview-shape="shader-ball"] .bw-material-preview-object::after {
      content: "";
      position: absolute;
      left: 18px;
      top: 42px;
      width: 62px;
      height: 15px;
      border: 9px solid #1f1f1f;
      border-left-color: transparent;
      border-radius: 50%;
      transform: rotate(-24deg);
    }

    .bw-material-preview-stage[data-preview-shape="cloth"] .bw-material-preview-object {
      width: 84px;
      height: 82px;
      border-radius: 36% 42% 18% 18%;
      background:
        radial-gradient(ellipse at 30% 16%, #fff, transparent 36%),
        repeating-linear-gradient(105deg, #f1f1f1 0 11px, #cfcfcf 11px 18px);
    }

    .bw-material-preview-types {
      display: grid;
      align-content: start;
      gap: 3px;
    }

    .bw-material-preview-types button {
      width: 22px;
      height: 22px;
      border: 1px solid var(--bw-outline);
      border-radius: var(--bw-radius);
      background: var(--bw-widget);
      color: var(--bw-text);
      font: inherit;
      font-size: 12px;
      cursor: pointer;
    }

    /* Property sections */
    .bw-prop-section {
      border-bottom: 1px solid var(--bw-border);
    }

    .bw-prop-section-header {
      display: flex;
      align-items: center;
      gap: 6px;
      padding: 4px 8px;
      height: 24px;
      cursor: pointer;
      font-size: 12px;
      color: var(--bw-text);
      background: var(--bw-surface);
      border: none;
      width: 100%;
      text-align: left;
      font-family: inherit;
    }

    .bw-prop-section-header:hover { background: #414141; }

    .bw-prop-arrow {
      font-size: 8px;
      color: var(--bw-text-dim);
      width: 10px;
      text-align: center;
      transition: transform 0.15s;
    }

    .bw-prop-section.collapsed .bw-prop-arrow {
      transform: rotate(-90deg);
    }

    .bw-prop-section.collapsed .bw-prop-body {
      display: none;
    }

    .bw-prop-body {
      padding: 4px 8px 6px;
    }

    /* Property rows — xyz inputs */
    .bw-prop-row {
      display: grid;
      grid-template-columns: 70px 1fr;
      align-items: center;
      gap: 4px;
      margin-bottom: 2px;
      min-height: 22px;
    }

    .bw-prop-label {
      font-size: 11px;
      color: var(--bw-text-dim);
      text-align: right;
      padding-right: 4px;
    }

    .bw-prop-row--wide {
      grid-template-columns: 1fr;
      gap: 3px;
    }

    .bw-prop-row--wide .bw-prop-label {
      text-align: left;
      padding-right: 0;
    }

    .bw-prop-inline {
      display: flex;
      align-items: center;
      gap: 4px;
      min-width: 0;
    }

    .bw-prop-field {
      min-height: 22px;
      padding: 2px 6px;
      border-radius: var(--bw-radius);
      border: 1px solid var(--bw-outline);
      background: var(--bw-widget);
      color: var(--bw-text);
      font: inherit;
      font-size: 11px;
      text-align: center;
    }

    .bw-prop-field.is-blue {
      background: var(--bw-blue);
      border-color: rgba(255,255,255,0.12);
      color: #fff;
    }

    .bw-prop-field.is-muted {
      color: rgba(230,230,230,0.42);
      background: #404040;
    }

    .bw-prop-slider {
      display: grid;
      grid-template-columns: 1fr 62px;
      gap: 4px;
      align-items: center;
      width: 100%;
    }

    .bw-slider-track {
      position: relative;
      height: 22px;
      border-radius: var(--bw-radius);
      border: 1px solid var(--bw-outline);
      background: var(--bw-widget);
      overflow: hidden;
    }

    .bw-slider-track span {
      display: block;
      height: 100%;
      background: var(--bw-blue);
    }

    .bw-segmented {
      display: grid;
      grid-auto-flow: column;
      grid-auto-columns: 1fr;
      gap: 1px;
      border-radius: var(--bw-radius);
      overflow: hidden;
      border: 1px solid var(--bw-outline);
    }

    .bw-segmented button {
      min-height: 22px;
      border: 0;
      background: var(--bw-widget);
      color: var(--bw-text);
      font: inherit;
      font-size: 11px;
      cursor: pointer;
    }

    .bw-segmented button.active {
      background: var(--bw-blue);
      color: #fff;
    }

    .bw-prop-icon-strip {
      display: flex;
      flex-wrap: wrap;
      gap: 3px;
      padding: 0 8px 6px;
    }

    .bw-prop-icon-strip .bw-toolbar-btn {
      width: 22px;
      height: 20px;
      min-width: 22px;
      font-size: 11px;
    }

    .bw-addon-list {
      display: grid;
      gap: 2px;
      max-height: 132px;
      overflow: auto;
      padding: 4px;
      border-radius: var(--bw-radius);
      border: 1px solid var(--bw-outline);
      background: var(--bw-panel-dark);
      scrollbar-width: none;
    }

    .bw-addon-list::-webkit-scrollbar {
      display: none;
    }

    .bw-addon-row {
      display: grid;
      grid-template-columns: minmax(0, 1fr) 15px;
      align-items: center;
      gap: 5px;
      min-height: 20px;
      padding: 1px 4px;
      color: rgba(230,230,230,0.62);
      font-size: 11px;
    }

    .bw-addon-row:first-child {
      background: var(--bw-blue);
      color: #dce8ff;
      border-radius: 3px;
    }

    .bw-addon-row span:first-child {
      min-width: 0;
      overflow: hidden;
      text-overflow: ellipsis;
      white-space: nowrap;
    }

    .bw-addon-row.is-disabled {
      color: rgba(230,230,230,0.32);
    }

    .bw-prop-note {
      margin: 3px 0 2px 74px;
      color: rgba(230,230,230,0.46);
      font-size: 10px;
    }

    .bw-xyz-row {
      display: grid;
      grid-template-columns: 1fr 1fr 1fr;
      gap: 2px;
    }

    .bw-num-input {
      height: 22px;
      min-width: 0;
      padding: 0 4px;
      border-radius: var(--bw-radius);
      border: 1px solid var(--bw-outline);
      background: var(--bw-input);
      color: var(--bw-text);
      font-family: inherit;
      font-size: 11px;
      text-align: right;
    }

    .bw-num-input:focus {
      outline: none;
      border-color: var(--bw-active);
    }

    .bw-num-input.axis-x { border-left: 3px solid var(--bw-axis-x); }
    .bw-num-input.axis-y { border-left: 3px solid var(--bw-axis-y); }
    .bw-num-input.axis-z { border-left: 3px solid var(--bw-axis-z); }

    .bw-prop-mode-row {
      display: grid;
      grid-template-columns: 70px 1fr;
      align-items: center;
      gap: 4px;
      margin-bottom: 2px;
    }

    .bw-mode-dropdown {
      height: 22px;
      padding: 0 6px;
      border-radius: var(--bw-radius);
      border: 1px solid var(--bw-outline);
      background: var(--bw-widget);
      color: var(--bw-text);
      font-family: inherit;
      font-size: 11px;
      cursor: pointer;
      appearance: none;
      -webkit-appearance: none;
    }

    .bw-lock-btn {
      width: 20px;
      height: 20px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      border-radius: 3px;
      border: none;
      background: transparent;
      color: var(--bw-text-dim);
      cursor: pointer;
      font-size: 10px;
      font-family: inherit;
    }

    .bw-lock-btn:hover { color: var(--bw-text); background: var(--bw-widget); }

    /* Lock icons next to XYZ */
    .bw-xyz-lock-row {
      display: grid;
      grid-template-columns: 70px 1fr auto;
      align-items: center;
      gap: 4px;
      margin-bottom: 2px;
    }

    /* ── Timeline ── */
    .bw-timeline {
      background: var(--bw-panel);
      border-top: 1px solid var(--bw-border);
      display: grid;
      grid-template-rows: auto auto 1fr auto;
      height: var(--bw-timeline-height);
      min-height: 120px;
    }

    .bw-timeline-header {
      display: flex;
      align-items: center;
      gap: 2px;
      padding: 2px 6px;
      height: 24px;
      background: var(--bw-header);
      border-bottom: 1px solid var(--bw-border);
    }

    .bw-timeline-header .bw-dropdown { height: 20px; font-size: 11px; }

    .bw-transport {
      display: flex;
      align-items: center;
      gap: 2px;
      padding: 2px 8px;
      height: 28px;
      border-bottom: 1px solid var(--bw-border);
    }

    .bw-transport-btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      width: 24px;
      height: 22px;
      border-radius: var(--bw-radius);
      background: var(--bw-widget);
      color: var(--bw-text);
      border: none;
      cursor: pointer;
      font-size: 10px;
      font-family: inherit;
    }

    .bw-transport-btn:hover { background: #606060; }
    .bw-transport-btn.active { background: var(--bw-active); color: #000; }

    .bw-transport-spacer { flex: 1; }

    .bw-frame-input {
      width: 48px;
      height: 22px;
      padding: 0 4px;
      border-radius: var(--bw-radius);
      border: 1px solid var(--bw-outline);
      background: var(--bw-input);
      color: var(--bw-text);
      font-family: inherit;
      font-size: 11px;
      text-align: right;
    }

    .bw-frame-input:focus {
      outline: none;
      border-color: var(--bw-active);
    }

    .bw-frame-label {
      font-size: 11px;
      color: var(--bw-text-dim);
      margin: 0 4px;
    }

    .bw-timeline-track {
      position: relative;
      flex: 1;
      overflow: hidden;
      background: var(--bw-input);
    }

    /* Frame ruler */
    .bw-frame-ruler {
      position: absolute;
      top: 0;
      left: 0;
      right: 0;
      height: 20px;
      display: flex;
      align-items: flex-end;
    }

    .bw-frame-tick {
      position: absolute;
      bottom: 0;
      width: 1px;
      background: rgba(255,255,255,0.12);
    }

    .bw-frame-tick.major {
      height: 14px;
      background: rgba(255,255,255,0.2);
    }

    .bw-frame-tick.minor {
      height: 8px;
    }

    .bw-frame-number {
      position: absolute;
      top: 2px;
      font-size: 9px;
      color: var(--bw-text-dim);
      transform: translateX(-50%);
    }

    /* Playhead */
    .bw-playhead {
      position: absolute;
      top: 0;
      bottom: 0;
      width: 2px;
      background: var(--bw-active);
      z-index: 5;
      left: 0.4%;
    }

    .bw-playhead::before {
      content: "";
      position: absolute;
      top: 0;
      left: 50%;
      transform: translateX(-50%);
      width: 0;
      height: 0;
      border-left: 5px solid transparent;
      border-right: 5px solid transparent;
      border-top: 6px solid var(--bw-active);
    }

    .bw-timeline-bottom {
      display: flex;
      align-items: center;
      gap: 2px;
      padding: 2px 6px;
      height: 22px;
      border-top: 1px solid var(--bw-border);
    }

    /* ── Status bar ── */
    .bw-statusbar {
      display: flex;
      align-items: center;
      gap: 8px;
      padding: 0 8px;
      height: 22px;
      background: var(--bw-header);
      border-top: 1px solid var(--bw-border);
      font-size: 11px;
      color: var(--bw-text-dim);
    }

    .bw-statusbar-spacer { flex: 1; }

    .bw-statusbar-version {
      color: rgba(255,255,255,0.3);
      font-size: 10px;
    }

    .bw-selection-readout {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      min-width: 260px;
      color: var(--bw-text-dim);
      overflow: hidden;
      text-overflow: ellipsis;
      white-space: nowrap;
    }

    .bw-selection-readout strong {
      color: var(--bw-text);
      font-weight: 500;
    }

    .bw-modal-backdrop {
      position: fixed;
      inset: 0;
      z-index: 1400;
      display: grid;
      place-items: center;
      padding: 18px;
      background: rgba(0,0,0,0.42);
    }

    .bw-preferences-dialog {
      width: min(860px, calc(100vw - 36px));
      max-height: min(720px, calc(100vh - 36px));
      display: grid;
      grid-template-rows: auto 1fr auto;
      border: 1px solid #111;
      border-radius: 6px;
      background: var(--bw-panel);
      box-shadow: 0 24px 70px rgba(0,0,0,0.58);
      overflow: hidden;
      color: var(--bw-text);
    }

    .bw-dialog-titlebar {
      display: flex;
      align-items: center;
      gap: 8px;
      min-height: 30px;
      padding: 4px 8px;
      border-bottom: 1px solid var(--bw-border);
      background: var(--bw-header);
      font-size: 12px;
    }

    .bw-dialog-titlebar strong {
      flex: 1;
      font-weight: 500;
    }

    .bw-dialog-close {
      width: 22px;
      height: 22px;
      border: 0;
      border-radius: 3px;
      background: transparent;
      color: var(--bw-text-dim);
      cursor: pointer;
      font: inherit;
    }

    .bw-dialog-close:hover {
      background: var(--bw-widget);
      color: var(--bw-text);
    }

    .bw-preferences-body {
      display: grid;
      grid-template-columns: 170px 1fr;
      min-height: 0;
    }

    .bw-preferences-nav {
      min-height: 0;
      overflow-y: auto;
      padding: 6px;
      border-right: 1px solid var(--bw-border);
      background: #252525;
    }

    .bw-pref-category {
      width: 100%;
      min-height: 26px;
      display: flex;
      align-items: center;
      gap: 7px;
      padding: 4px 8px;
      border: 0;
      border-radius: 4px;
      background: transparent;
      color: var(--bw-text-dim);
      cursor: pointer;
      font: inherit;
      text-align: left;
    }

    .bw-pref-category:hover,
    .bw-pref-category.active {
      background: var(--bw-widget);
      color: var(--bw-text);
    }

    .bw-pref-content {
      min-height: 0;
      overflow-y: auto;
      padding: 10px 12px 12px;
      background: #303030;
    }

    .bw-pref-heading {
      margin: 0 0 10px;
      font-size: 14px;
      font-weight: 500;
      color: var(--bw-text);
    }

    .bw-pref-section {
      margin-bottom: 10px;
      border: 1px solid var(--bw-border);
      border-radius: 4px;
      background: #383838;
      overflow: hidden;
    }

    .bw-pref-section-title {
      min-height: 24px;
      display: flex;
      align-items: center;
      padding: 4px 8px;
      border-bottom: 1px solid var(--bw-border);
      background: #333;
      font-size: 12px;
      color: var(--bw-text);
    }

    .bw-pref-row {
      display: grid;
      grid-template-columns: 170px 1fr;
      align-items: center;
      gap: 10px;
      min-height: 28px;
      padding: 4px 8px;
      border-top: 1px solid rgba(0,0,0,0.18);
      color: var(--bw-text-dim);
      font-size: 11px;
    }

    .bw-pref-row:first-of-type {
      border-top: 0;
    }

    .bw-pref-control {
      min-height: 22px;
      display: inline-flex;
      align-items: center;
      gap: 6px;
      min-width: 0;
    }

    .bw-pref-input,
    .bw-pref-select {
      width: 100%;
      min-width: 0;
      height: 22px;
      border: 1px solid var(--bw-outline);
      border-radius: 4px;
      background: var(--bw-input);
      color: var(--bw-text);
      font: inherit;
      font-size: 11px;
      padding: 0 7px;
    }

    .bw-pref-check {
      width: 13px;
      height: 13px;
      border: 1px solid var(--bw-outline);
      border-radius: 2px;
      background: var(--bw-widget);
    }

    .bw-pref-check.checked {
      background: #4772b3;
      border-color: #7aa7e8;
    }

    .bw-dialog-footer {
      display: flex;
      align-items: center;
      gap: 8px;
      justify-content: flex-end;
      min-height: 34px;
      padding: 6px 8px;
      border-top: 1px solid var(--bw-border);
      background: var(--bw-header);
    }

    .bw-dialog-action {
      min-width: 86px;
      height: 22px;
      border: 1px solid var(--bw-outline);
      border-radius: 4px;
      background: var(--bw-widget);
      color: var(--bw-text);
      cursor: pointer;
      font: inherit;
      font-size: 11px;
    }

    .bw-dialog-action:hover {
      background: #606060;
    }

    [data-blender-ui] {
      outline: 0 solid transparent;
      outline-offset: 0;
    }

    [data-blender-ui].bw-ui-selected {
      outline: 1px solid var(--bw-active);
      outline-offset: -1px;
      box-shadow: inset 0 0 0 1px rgba(255,160,40,0.22);
    }

    /* ── Scrollbar styling ── */
    ::-webkit-scrollbar { width: 6px; height: 6px; }
    ::-webkit-scrollbar-track { background: transparent; }
    ::-webkit-scrollbar-thumb { background: var(--bw-widget); border-radius: 3px; }
    ::-webkit-scrollbar-thumb:hover { background: #666; }

/* Production trainer embedding */
.mock-blender.blender-shell {
  position: relative;
  width: 100%;
  min-height: 640px;
  height: min(82vh, 920px);
  overflow: hidden;
}

.mock-blender.blender-shell .bw-three-viewport {
  display: block;
  width: 100%;
  height: 100%;
}