/* ══════════════════════════════════════
       DESIGN TOKENS
    ══════════════════════════════════════ */
    :root {
      --bg: #f8fafc;
      --panel-bg: rgba(255, 255, 255, 0.94);
      --topbar-bg: rgba(255, 255, 255, 0.88);
      --statusbar-bg: rgba(255, 255, 255, 0.88);
      --loader-bg: rgba(255, 255, 255, 0.88);
      --loader-ring-inner: #ffffff;
      --border: rgba(0, 0, 0, 0.10);
      --border-hi: rgba(125, 255, 170, 0.50);
      --accent: #7dffaa;
      --accent2: #059669;
      --accent-glow: 0 0 22px rgba(125, 255, 170, 0.40);
      --accent-glow2: 0 0 32px rgba(125, 255, 170, 0.60);
      --text: #334155;
      --text-dim: #64748b;
      --text-bright: #0f172a;
      --success: #10b981;
      --error: #ef4444;
      --panel-w: 310px;
    }

    body.dark-mode {
      --bg: #0b0f19;
      --panel-bg: rgba(17, 24, 39, 0.95);
      --topbar-bg: rgba(17, 24, 39, 0.88);
      --statusbar-bg: rgba(17, 24, 39, 0.88);
      --loader-bg: rgba(17, 24, 39, 0.88);
      --loader-ring-inner: #111827;
      --border: rgba(255, 255, 255, 0.08);
      --border-hi: rgba(125, 255, 170, 0.35);
      --text: #9ca3af;
      --text-dim: #6b7280;
      --text-bright: #f9fafb;
    }

    body.dark-mode .rp-input,
    body.dark-mode .mesh-row {
      background: rgba(255, 255, 255, 0.04);
    }

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

    body {
      background: var(--bg);
      color: var(--text);
      font-family: 'Outfit', sans-serif;
      height: 100vh;
      overflow: hidden;
      display: flex;
      user-select: none;
    }

    /* ══════════════════════════════════════
       LEFT PANEL
    ══════════════════════════════════════ */
    #panel {
      width: var(--panel-w);
      min-width: var(--panel-w);
      height: 100vh;
      background: var(--panel-bg);
      border-right: 1px solid var(--border);
      display: flex;
      flex-direction: column;
      backdrop-filter: blur(24px);
      z-index: 10;
      overflow: hidden;
    }

    /* Header */
    .p-header {
      padding: 22px 18px 16px;
      border-bottom: 1px solid var(--border);
      flex-shrink: 0;
    }

    .logo {
      font-family: 'Orbitron', monospace;
      font-size: 18px;
      font-weight: 900;
      letter-spacing: 4px;
      color: var(--accent2);
    }

    .logo em {
      color: #047857;
      font-style: normal;
    }

    .logo-sub {
      font-size: 11px;
      color: var(--text-dim);
      font-weight: 500;
      letter-spacing: 3px;
      margin-top: 4px;
    }

    /* Token */
    .p-token {
      padding: 10px 18px;
      border-bottom: 1px solid var(--border);
      flex-shrink: 0;
    }

    .token-toggle {
      display: flex;
      align-items: center;
      gap: 6px;
      font-size: 11px;
      letter-spacing: 1.5px;
      color: var(--text-dim);
      cursor: pointer;
      transition: color 0.2s;
    }

    .token-toggle:hover {
      color: var(--accent2);
    }

    .token-toggle svg {
      width: 12px;
      height: 12px;
    }

    .token-body {
      display: none;
      margin-top: 8px;
    }

    .token-body.open {
      display: block;
    }

    .token-input {
      width: 100%;
      background: rgba(125, 255, 170, 0.05);
      border: 1px solid var(--border);
      border-radius: 5px;
      padding: 8px 10px;
      color: var(--text-bright);
      font-family: 'JetBrains Mono', monospace;
      font-size: 13px;
      outline: none;
      transition: all 0.2s;
    }

    .token-input:focus {
      border-color: var(--accent2);
      box-shadow: var(--accent-glow);
    }

    .token-hint {
      font-size: 10px;
      color: var(--text-dim);
      margin-top: 5px;
      letter-spacing: 0.5px;
    }

    .token-hint a {
      color: var(--accent);
      text-decoration: none;
    }

    /* Search */
    .p-search {
      padding: 14px 18px;
      border-bottom: 1px solid var(--border);
      flex-shrink: 0;
    }

    .field-label {
      font-size: 11px;
      font-weight: 600;
      letter-spacing: 2px;
      color: var(--text-dim);
      margin-bottom: 7px;
      display: block;
    }

    .search-row {
      display: flex;
      gap: 6px;
    }

    .search-input {
      flex: 1;
      background: rgba(125, 255, 170, 0.06);
      border: 1px solid var(--border);
      border-radius: 6px;
      padding: 10px 12px;
      color: var(--text-bright);
      font-family: 'JetBrains Mono', monospace;
      font-size: 14px;
      outline: none;
      transition: all 0.25s;
    }

    .search-input::placeholder {
      color: var(--text-dim);
    }

    .search-input:focus {
      border-color: var(--accent);
      box-shadow: var(--accent-glow);
      background: rgba(125, 255, 170, 0.09);
    }

    .search-btn {
      background: var(--accent);
      border: none;
      border-radius: 6px;
      width: 38px;
      height: 38px;
      cursor: pointer;
      display: flex;
      align-items: center;
      justify-content: center;
      flex-shrink: 0;
      transition: all 0.2s;
    }

    .search-btn:hover {
      background: #1dd5ff;
      box-shadow: var(--accent-glow2);
    }

    .search-btn:active {
      transform: scale(0.95);
    }

    .search-btn svg {
      width: 16px;
      height: 16px;
    }

    /* Results area */
    .p-results-hdr {
      display: flex;
      align-items: center;
      justify-content: space-between;
      padding: 10px 18px 6px;
      flex-shrink: 0;
    }

    .results-label {
      font-size: 11px;
      font-weight: 600;
      letter-spacing: 2px;
      color: var(--text-dim);
    }

    #results-count {
      font-size: 12px;
      color: var(--accent2);
      font-weight: bold;
    }

    #results-scroll {
      flex: 1;
      overflow-y: auto;
      padding: 0 10px 10px;
    }

    #results-scroll::-webkit-scrollbar {
      width: 2px;
    }

    #results-scroll::-webkit-scrollbar-track {
      background: transparent;
    }

    #results-scroll::-webkit-scrollbar-thumb {
      background: rgba(125, 255, 170, 0.2);
      border-radius: 1px;
    }

    .results-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 7px;
    }

    /* Model card */
    .m-card {
      background: rgba(125, 255, 170, 0.03);
      border: 1px solid var(--border);
      border-radius: 8px;
      overflow: hidden;
      cursor: pointer;
      transition: all 0.2s;
      position: relative;
    }

    .m-card:hover {
      border-color: var(--border-hi);
      background: rgba(125, 255, 170, 0.07);
      transform: translateY(-2px);
      box-shadow: var(--accent-glow);
    }

    .m-card.active {
      border-color: var(--accent);
      box-shadow: var(--accent-glow2), inset 0 0 20px rgba(125, 255, 170, 0.05);
    }

    .m-card.active::after {
      content: '▶';
      position: absolute;
      top: 5px;
      right: 6px;
      font-size: 8px;
      color: var(--accent);
    }

    .m-thumb {
      width: 100%;
      aspect-ratio: 4/3;
      object-fit: cover;
      display: block;
      background: rgba(125, 255, 170, 0.04);
    }

    .m-info {
      padding: 7px 8px 8px;
    }

    .m-name {
      font-size: 12px;
      color: var(--text-bright);
      white-space: nowrap;
      overflow: hidden;
      text-overflow: ellipsis;
      margin-bottom: 2px;
      font-weight: 550;
    }

    .m-author {
      font-size: 10px;
      color: var(--text-dim);
      white-space: nowrap;
      overflow: hidden;
      text-overflow: ellipsis;
    }

    .m-badges {
      display: flex;
      gap: 3px;
      margin-top: 5px;
      flex-wrap: wrap;
    }

    .badge {
      font-size: 9px;
      letter-spacing: 0.8px;
      padding: 2px 5px;
      border-radius: 2px;
      border: 1px solid;
    }

    .b-dl {
      color: var(--accent);
      border-color: rgba(125, 255, 170, 0.3);
      background: rgba(125, 255, 170, 0.06);
    }

    .b-anim {
      color: #f59e0b;
      border-color: rgba(245, 158, 11, 0.3);
      background: rgba(245, 158, 11, 0.06);
    }

    .b-faces {
      color: var(--text-dim);
      border-color: rgba(100, 116, 139, 0.2);
    }

    /* Skeleton */
    .skel-card {
      background: rgba(125, 255, 170, 0.03);
      border: 1px solid var(--border);
      border-radius: 8px;
      overflow: hidden;
      animation: pulse 1.6s ease-in-out infinite;
    }

    .skel-thumb {
      width: 100%;
      aspect-ratio: 4/3;
      background: rgba(125, 255, 170, 0.07);
    }

    .skel-body {
      padding: 8px;
    }

    .skel-line {
      height: 7px;
      background: rgba(125, 255, 170, 0.07);
      border-radius: 2px;
      margin-bottom: 5px;
    }

    .skel-line.short {
      width: 55%;
    }

    @keyframes pulse {

      0%,
      100% {
        opacity: 1
      }

      50% {
        opacity: 0.45
      }
    }

    /* Empty / error */
    .p-empty {
      grid-column: 1/-1;
      padding: 36px 16px;
      text-align: center;
      color: var(--text-dim);
    }

    .p-empty .icon {
      font-size: 28px;
      opacity: 0.4;
      margin-bottom: 10px;
    }

    .p-empty p {
      font-size: 14px;
      font-weight: 600;
      line-height: 1.7;
      color: var(--text);
    }

    /* Panel footer */
    .p-footer {
      padding: 8px 18px;
      border-top: 1px solid var(--border);
      flex-shrink: 0;
      display: flex;
      gap: 8px;
    }

    .p-footer-btn {
      flex: 1;
      font-family: 'Outfit', sans-serif;
      font-size: 11px;
      font-weight: 600;
      letter-spacing: 1px;
      text-transform: uppercase;
      background: transparent;
      border: 1px solid var(--border);
      border-radius: 6px;
      padding: 8px 6px;
      color: var(--text-dim);
      cursor: pointer;
      transition: all 0.2s;
    }

    .p-footer-btn:hover {
      border-color: var(--accent2);
      color: var(--accent2);
      background: rgba(5, 150, 105, 0.05);
    }

    /* ══════════════════════════════════════
       CENTER CANVAS
    ══════════════════════════════════════ */
    #canvas-wrap {
      flex: 1;
      position: relative;
      background: #393939;
      /* Default Blender dark grey */
      overflow: hidden;
    }

    /* Subtle background grid */
    #canvas-wrap::before {
      content: '';
      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: 56px 56px;
      pointer-events: none;
      z-index: 0;
    }

    #three-canvas {
      position: absolute;
      inset: 0;
      width: 100% !important;
      height: 100% !important;
      z-index: 1;
    }

    /* Top bar */
    #topbar {
      position: absolute;
      top: 0;
      left: 0;
      right: 260px;
      height: 54px;
      background: var(--topbar-bg);
      border-bottom: 1px solid var(--border);
      backdrop-filter: blur(14px);
      display: flex;
      align-items: center;
      padding: 0 18px;
      z-index: 5;
    }



    #topbar-center {
      position: absolute;
      left: 50%;
      top: 50%;
      transform: translate(-50%, -50%);
      display: flex;
      align-items: center;
      gap: 12px;
    }

    .ctrl-strip {
      display: flex;
      gap: 5px;
    }

    .ctrl-btn {
      background: rgba(5, 150, 105, 0.03);
      border: 1px solid var(--border);
      border-radius: 6px;
      padding: 5px 10px;
      color: var(--text);
      font-family: 'Outfit', sans-serif;
      font-weight: 600;
      font-size: 10px;
      letter-spacing: 1px;
      cursor: pointer;
      transition: all 0.18s;
      text-transform: uppercase;
      display: inline-flex;
      align-items: center;
      gap: 6px;
      white-space: nowrap;
    }

    .ctrl-btn:hover {
      border-color: var(--accent2);
      color: var(--accent2);
      background: rgba(5, 150, 105, 0.08);
    }

    .ctrl-btn.on {
      border-color: var(--accent2);
      color: #ffffff;
      background: var(--accent2);
      box-shadow: 0 2px 8px rgba(5, 150, 105, 0.25);
    }

    .ctrl-select {
      background: rgba(5, 150, 105, 0.03);
      border: 1px solid var(--border);
      border-radius: 6px;
      padding: 5px 24px 5px 8px;
      color: var(--text);
      font-family: 'Outfit', sans-serif;
      font-weight: 600;
      font-size: 10px;
      letter-spacing: 1px;
      cursor: pointer;
      transition: all 0.18s;
      text-transform: uppercase;
      outline: none;
      appearance: none;
      -webkit-appearance: none;
      background-image: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" width="10" height="6" viewBox="0 0 10 6" fill="none" stroke="%2364748b" stroke-width="1.5" stroke-linecap="round"><path d="M1 1l4 4 4-4"/></svg>');
      background-repeat: no-repeat;
      background-position: right 8px center;
      background-size: 8px;
    }

    .ctrl-select:hover {
      border-color: var(--accent2);
      color: var(--accent2);
      background: rgba(5, 150, 105, 0.08);
    }

    .ctrl-select option {
      background: var(--panel-bg);
      color: var(--text-bright);
    }

    #right-panel .ctrl-btn {
      padding: 5px 2px;
      font-size: 9px;
      letter-spacing: 0.5px;
      justify-content: center;
      min-width: 0;
    }

    /* Bottom statusbar */
    #statusbar {
      position: absolute;
      bottom: 0;
      left: 0;
      right: 260px;
      height: 34px;
      background: var(--statusbar-bg);
      border-top: 1px solid var(--border);
      backdrop-filter: blur(14px);
      display: flex;
      align-items: center;
      padding: 0 14px;
      gap: 18px;
      z-index: 5;
    }

    .stat {
      font-size: 11px;
      font-weight: 500;
      letter-spacing: 1px;
      color: var(--text-dim);
      display: flex;
      align-items: center;
      gap: 6px;
    }

    .stat-dot {
      width: 5px;
      height: 5px;
      border-radius: 50%;
      background: var(--text-dim);
    }

    .stat-dot.live {
      background: var(--success);
      box-shadow: 0 0 5px var(--success);
    }

    .stat-dot.warn {
      background: #f59e0b;
    }

    /* Empty canvas state */
    #canvas-idle {
      position: absolute;
      top: 0;
      left: 0;
      right: 260px;
      bottom: 0;
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: center;
      pointer-events: none;
      z-index: 2;
    }

    .idle-ring {
      width: 72px;
      height: 72px;
      border-radius: 50%;
      position: relative;
      background: conic-gradient(from 0deg, #a855f7 0%, #10b981 50%, #a855f7 100%);
      animation: idleSpin 12s linear infinite, ringPulse 2.5s ease-in-out infinite alternate;
      margin-bottom: 28px;
      display: flex;
      align-items: center;
      justify-content: center;
    }

    .idle-ring::before {
      content: '';
      position: absolute;
      inset: 1.5px;
      background: #393939; /* Matches dark grey canvas background */
      border-radius: 50%;
      z-index: 1;
    }

    .idle-ring::after {
      content: '◈';
      position: absolute;
      inset: 0;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 22px;
      color: rgba(255, 255, 255, 0.35);
      z-index: 2;
    }

    @keyframes idleSpin {
      to {
        transform: rotate(360deg);
      }
    }

    @keyframes ringPulse {
      0% {
        box-shadow: 
          0 0 0 8px rgba(255, 255, 255, 0.04),
          0 0 8px rgba(168, 85, 247, 0.25),
          0 0 8px rgba(16, 185, 129, 0.25);
        opacity: 0.75;
      }
      100% {
        box-shadow: 
          0 0 0 8px rgba(255, 255, 255, 0.06),
          0 0 25px rgba(168, 85, 247, 0.9),
          0 0 25px rgba(16, 185, 129, 0.9);
        opacity: 1;
      }
    }

    .idle-title {
      font-family: 'Orbitron', monospace;
      font-size: 15px;
      letter-spacing: 4px;
      color: rgba(255, 255, 255, 0.35);
      margin-bottom: 8px;
    }

    .idle-hint {
      font-size: 11px;
      color: rgba(255, 255, 255, 0.6);
      letter-spacing: 1.5px;
    }

    /* Loading overlay */
    #loader {
      position: fixed;
      inset: 0;
      background: #0a0a0f;
      backdrop-filter: blur(6px);
      display: none;
      flex-direction: column;
      align-items: center;
      justify-content: center;
      z-index: 9999;
    }

    #loader.show {
      display: flex;
    }

    .loader-logo-container {
      position: relative;
      width: 220px;
      height: 220px;
      margin-bottom: 28px;
      display: flex;
      align-items: center;
      justify-content: center;
    }

    .spinner-outer {
      position: absolute;
      width: 210px;
      height: 210px;
      border: 5px solid transparent;
      border-top-color: #6384ff;
      border-bottom-color: #6384ff;
      border-radius: 50%;
      animation: spin-clockwise 2.8s linear infinite;
    }

    .spinner-inner {
      position: absolute;
      width: 168px;
      height: 168px;
      border: 5px solid transparent;
      border-left-color: #a78bfa;
      border-right-color: #a78bfa;
      border-radius: 50%;
      animation: spin-counter-clockwise 2.2s linear infinite;
    }

    .loader-logo {
      position: absolute;
      width: 105px;
      height: auto;
      z-index: 3;
      filter: drop-shadow(0 0 10px rgba(167, 139, 250, 0.3));
      animation: logo-pulse 2s ease-in-out infinite;
    }

    @keyframes logo-pulse {
      0%, 100% { transform: scale(0.92); }
      50% { transform: scale(1.08); }
    }

    @keyframes spin-clockwise {
      from { transform: rotate(0deg); }
      to { transform: rotate(360deg); }
    }

    @keyframes spin-counter-clockwise {
      from { transform: rotate(0deg); }
      to { transform: rotate(-360deg); }
    }

    .fading-loading-text {
      font-family: 'Outfit', sans-serif;
      font-size: 14px;
      font-weight: 500;
      color: #9ca3af;
      letter-spacing: 2px;
      text-transform: uppercase;
      margin-bottom: 24px;
      animation: pulse-fade 2s ease-in-out infinite;
    }

    @keyframes pulse-fade {
      0%, 100% { opacity: 0.35; }
      50% { opacity: 1.0; }
    }

    .loader-percent {
      font-family: 'Orbitron', monospace;
      font-size: 18px;
      font-weight: 700;
      color: #6384ff;
      margin-top: 10px;
      letter-spacing: 1.5px;
    }

    .loader-stage {
      font-family: 'Orbitron', monospace;
      font-size: 13px;
      letter-spacing: 3px;
      color: #a78bfa;
      margin-bottom: 6px;
      animation: blink 2s ease-in-out infinite;
    }

    .loader-detail {
      font-size: 11px;
      font-weight: 700;
      color: #9ca3af;
      letter-spacing: 1px;
      margin-bottom: 16px;
    }

    @keyframes blink {

      0%,
      100% {
        opacity: 1
      }

      50% {
        opacity: 0.55
      }
    }

    .progress-track {
      width: 180px;
      height: 2px;
      background: rgba(125, 255, 170, 0.08);
      border-radius: 1px;
      overflow: hidden;
    }

    .progress-fill {
      height: 100%;
      background: var(--accent);
      box-shadow: 0 0 6px var(--accent);
      width: 0;
      transition: width 0.35s ease;
    }

    /* Stage badges */
    .stages {
      display: flex;
      gap: 8px;
      margin-top: 16px;
    }

    .stage-pip {
      width: 8px;
      height: 8px;
      border-radius: 50%;
      border: 1px solid rgba(125, 255, 170, 0.2);
      transition: all 0.3s;
    }

    .stage-pip.done {
      background: var(--accent);
      border-color: var(--accent);
      box-shadow: 0 0 6px var(--accent);
    }

    .stage-pip.active {
      border-color: var(--accent);
      animation: pipPulse 0.8s ease-in-out infinite;
    }

    @keyframes pipPulse {

      0%,
      100% {
        transform: scale(1)
      }

      50% {
        transform: scale(1.3)
      }
    }

    /* Toast */
    #toast {
      position: absolute;
      bottom: 40px;
      left: 50%;
      transform: translateX(-50%) translateY(12px);
      border-radius: 6px;
      padding: 11px 20px;
      font-size: 12px;
      font-weight: 500;
      letter-spacing: 0.5px;
      opacity: 0;
      pointer-events: none;
      transition: all 0.3s;
      z-index: 30;
      white-space: nowrap;
    }

    #toast.error {
      background: rgba(239, 68, 68, 0.12);
      border: 1px solid rgba(239, 68, 68, 0.4);
      color: #fca5a5;
    }

    #toast.success {
      background: rgba(16, 185, 129, 0.10);
      border: 1px solid rgba(16, 185, 129, 0.35);
      color: #6ee7b7;
    }

    /* ══════════════════════════════════════
       RIGHT PANEL (EDIT MODE)
    ══════════════════════════════════════ */
    #right-panel {
      position: absolute;
      top: 0;
      right: 0;
      width: 260px;
      height: 100vh;
      background: var(--panel-bg);
      border-left: 1px solid var(--border);
      display: flex;
      flex-direction: column;
      backdrop-filter: blur(24px);
      z-index: 10;
    }

    .rp-header {
      padding: 22px 18px 16px;
      border-bottom: 1px solid var(--border);
      font-family: 'Orbitron', monospace;
      font-size: 14px;
      letter-spacing: 2px;
      color: var(--text-bright);
      flex-shrink: 0;
    }

    .rp-section {
      padding: 18px;
      border-bottom: 1px solid var(--border);
    }

    .rp-label {
      font-size: 11px;
      font-weight: 600;
      letter-spacing: 1.5px;
      color: var(--text-dim);
      margin-bottom: 10px;
      display: block;
    }

    .rp-row {
      display: flex;
      align-items: center;
      gap: 8px;
      margin-bottom: 8px;
    }

    .rp-row span {
      font-size: 12px;
      color: var(--accent2);
      width: 14px;
      font-weight: bold;
    }

    .rp-input {
      flex: 1;
      background: rgba(0, 0, 0, 0.05);
      border: 1px solid var(--border);
      color: var(--text-bright);
      padding: 9px;
      font-family: monospace;
      font-size: 14px;
      border-radius: 4px;
      outline: none;
      transition: border 0.2s;
    }

    .rp-input:focus {
      border-color: var(--accent);
    }

    .rp-input:disabled {
      opacity: 0.5;
    }

    .rp-slider {
      width: 100%;
      margin-top: 8px;
      cursor: pointer;
      accent-color: var(--accent);
    }

    .slider-val {
      font-size: 12px;
      color: var(--text-bright);
      float: right;
      padding-top: 2px;
    }

    /* Mesh List */
    .mesh-row {
      display: flex;
      align-items: center;
      justify-content: space-between;
      padding: 8px;
      background: rgba(0, 0, 0, 0.05);
      border: 1px solid var(--border);
      border-radius: 4px;
      margin-bottom: 5px;
      transition: border 0.2s;
    }

    .mesh-row:hover {
      border-color: var(--border-hi);
    }

    .mesh-row.active {
      border-color: var(--accent);
      background: rgba(125, 255, 170, 0.12);
    }

    .mesh-name {
      font-size: 12px;
      color: var(--text-bright);
      overflow: hidden;
      text-overflow: ellipsis;
      white-space: nowrap;
      flex: 1;
      margin-right: 8px;
    }

    .mesh-verts {
      font-size: 11px;
      color: var(--text-dim);
      margin-right: 8px;
      min-width: 20px;
      text-align: right;
    }

    .mesh-eye {
      cursor: pointer;
      color: var(--accent);
      display: flex;
      align-items: center;
      opacity: 0.8;
      transition: opacity 0.2s;
    }

    .mesh-eye:hover {
      opacity: 1;
    }

    .mesh-eye.off {
      color: var(--text-dim);
    }

    .mesh-eye svg {
      width: 14px;
      height: 14px;
    }

    #mesh-list::-webkit-scrollbar {
      width: 4px;
    }

    #mesh-list::-webkit-scrollbar-track {
      background: transparent;
    }

    #mesh-list::-webkit-scrollbar-thumb {
      background: rgba(125, 255, 170, 0.2);
      border-radius: 2px;
    }



    /* Multi-Selection Box */
    .selection-box {
      border: 1px solid var(--accent);
      background-color: rgba(125, 255, 170, 0.15);
      position: absolute;
      pointer-events: none;
      z-index: 100;
      display: none;
    }

    /* Synced Viewport Orientation Gizmo */
    #gizmo-viewport {
      position: absolute;
      bottom: 40px;
      right: 280px;
      width: 100px;
      height: 100px;
      z-index: 8;
      pointer-events: none;
      background: transparent;
      border: 1px solid rgba(255, 255, 255, 0.12);
      border-radius: 50%;
      backdrop-filter: none;
      transition: all 0.3s ease;
    }

    #gizmo-viewport:hover {
      border-color: rgba(125, 255, 170, 0.4);
      background: rgba(125, 255, 170, 0.02);
    }

    /* Pill Theme Toggle Switch */
    .theme-toggle-pill {
      display: inline-flex;
      align-items: center;
      background: rgba(0, 0, 0, 0.05);
      border: 1px solid var(--border);
      border-radius: 9999px;
      padding: 4px 8px;
      gap: 6px;
      cursor: pointer;
      user-select: none;
      transition: all 0.3s ease;
      height: 28px;
      align-self: center;
      margin-left: 8px;
    }

    body.dark-mode .theme-toggle-pill {
      background: rgba(255, 255, 255, 0.06);
      border-color: var(--border);
    }

    .switch-track {
      width: 28px;
      height: 16px;
      background: rgba(0, 0, 0, 0.15);
      border-radius: 8px;
      position: relative;
      transition: background-color 0.3s ease;
    }

    body.dark-mode .switch-track {
      background: var(--accent2);
    }

    .switch-knob {
      width: 12px;
      height: 12px;
      background: #ffffff;
      border-radius: 50%;
      position: absolute;
      top: 2px;
      left: 2px;
      transition: transform 0.25s cubic-bezier(0.4, 0, 0.2, 1);
      box-shadow: 0 1px 3px rgba(0,0,0,0.25);
    }

    body.dark-mode .switch-knob {
      transform: translateX(12px);
    }

    .theme-toggle-pill svg {
      width: 14px;
      height: 14px;
      color: var(--text-dim);
      transition: color 0.25s ease;
      display: block;
    }

    .theme-toggle-pill .icon-sun svg {
      color: var(--accent2);
    }

    body.dark-mode .theme-toggle-pill .icon-sun svg {
      color: var(--text-dim);
    }

    .theme-toggle-pill .icon-moon svg {
      color: var(--text-dim);
    }

    body.dark-mode .theme-toggle-pill .icon-moon svg {
      color: var(--accent);
    }

    /* Keyboard Shortcuts Panel Styling */
    #shortcuts-panel {
      position: absolute;
      top: 60px;
      left: 50%;
      transform: translateX(-50%) translateY(-10px);
      width: 290px;
      background: var(--panel-bg);
      border: 1px solid var(--border-hi);
      border-radius: 8px;
      padding: 16px;
      backdrop-filter: blur(24px);
      z-index: 100;
      opacity: 0;
      pointer-events: none;
      transition: opacity 0.22s cubic-bezier(0.4, 0, 0.2, 1), transform 0.22s cubic-bezier(0.4, 0, 0.2, 1);
      box-shadow: 0 12px 30px -4px rgba(0, 0, 0, 0.35), 0 8px 12px -6px rgba(0, 0, 0, 0.35);
    }

    #shortcuts-panel.show {
      opacity: 1;
      pointer-events: auto;
      transform: translateX(-50%) translateY(0);
    }

    .shortcuts-container {
      display: flex;
      flex-direction: column;
      gap: 8px;
      margin-top: 4px;
    }

    .shortcut-row {
      display: flex;
      justify-content: space-between;
      align-items: center;
      font-size: 11px;
    }

    .shortcut-desc {
      color: var(--text-dim);
      font-weight: 500;
    }

    .shortcut-keys {
      display: flex;
      align-items: center;
      gap: 3px;
      color: var(--text-dim);
      font-size: 10px;
    }

    .shortcut-key {
      background: rgba(0, 0, 0, 0.05);
      border: 1px solid var(--border);
      border-radius: 4px;
      padding: 2px 6px;
      font-family: 'JetBrains Mono', monospace;
      font-size: 10px;
      font-weight: 500;
      color: var(--text-bright);
      box-shadow: 0 1px 1px rgba(0, 0, 0, 0.1);
    }

    body.dark-mode .shortcut-key {
      background: rgba(255, 255, 255, 0.04);
      box-shadow: 0 1px 1px rgba(0, 0, 0, 0.3);
    }

    /* ══════════════════════════════════════
       PRINTABILITY CHECK TAB & RESULTS
       ══════════════════════════════════════ */
    .rp-tabs-container {
      display: flex;
      border-bottom: 1px solid var(--border);
      flex-shrink: 0;
      height: 54px;
      background: rgba(0, 0, 0, 0.02);
    }

    body.dark-mode .rp-tabs-container {
      background: rgba(255, 255, 255, 0.01);
    }

    .rp-tab-btn {
      flex: 1;
      background: transparent;
      border: none;
      font-family: 'Orbitron', monospace;
      font-size: 11px;
      letter-spacing: 1.5px;
      color: var(--text-dim);
      cursor: pointer;
      transition: all 0.2s;
      border-bottom: 2px solid transparent;
      outline: none;
      font-weight: 500;
    }

    .rp-tab-btn:hover {
      color: var(--text-bright);
    }

    .rp-tab-btn.active {
      color: var(--accent2);
      border-bottom-color: var(--accent2);
      font-weight: 700;
      background: rgba(125, 255, 170, 0.02);
    }

    body.dark-mode .rp-tab-btn.active {
      color: var(--accent);
      border-bottom-color: var(--accent);
      background: rgba(125, 255, 170, 0.01);
    }

    .rp-tab-content {
      display: flex;
      flex-direction: column;
      flex: 1;
      min-height: 0;
      overflow-y: auto;
    }

    .rp-tab-content::-webkit-scrollbar {
      width: 4px;
    }

    .rp-tab-content::-webkit-scrollbar-track {
      background: transparent;
    }

    .rp-tab-content::-webkit-scrollbar-thumb {
      background: rgba(125, 255, 170, 0.2);
      border-radius: 2px;
    }

    .print-result-row {
      display: flex;
      align-items: center;
      justify-content: space-between;
      font-size: 12px;
      color: var(--text);
      padding: 7px 0;
      border-bottom: 1px dotted var(--border);
    }

    .result-title {
      color: var(--text-dim);
      font-weight: 500;
    }

    .result-value {
      color: var(--text-bright);
      font-weight: 600;
      margin-left: auto;
      margin-right: 8px;
      font-family: 'JetBrains Mono', monospace;
    }

    .result-status-pill {
      font-size: 9px;
      font-weight: 700;
      padding: 2px 7px;
      border-radius: 4px;
      letter-spacing: 0.5px;
      text-transform: uppercase;
      text-align: center;
      min-width: 52px;
    }

    .result-status-pill.fit {
      background: rgba(16, 185, 129, 0.15);
      color: var(--success);
    }

    .result-status-pill.warn {
      background: rgba(245, 158, 11, 0.15);
      color: #f59e0b;
    }

    .result-status-pill.fail {
      background: rgba(239, 68, 68, 0.15);
      color: var(--error);
    }

    .radio-label {
      display: flex;
      align-items: center;
      gap: 8px;
      font-size: 11.5px;
      color: var(--text);
      cursor: pointer;
      padding: 5px 6px;
      border-radius: 4px;
      transition: background 0.15s;
    }

    .radio-label:hover {
      background: rgba(255, 255, 255, 0.05);
    }

    .radio-label input[type="radio"] {
      accent-color: var(--accent);
      cursor: pointer;
    }

    /* Color Palette */
    .color-presets-grid {
      display: grid;
      grid-template-columns: repeat(6, 1fr);
      gap: 8px;
      margin-top: 8px;
      margin-bottom: 12px;
    }

    .color-preset {
      height: 24px;
      border-radius: 50%;
      cursor: pointer;
      border: 1px solid rgba(255, 255, 255, 0.15);
      box-shadow: 0 1px 3px rgba(0, 0, 0, 0.2);
      transition: transform 0.15s ease, border-color 0.15s ease;
    }

    .color-preset:hover {
      transform: scale(1.15);
      border-color: var(--accent);
    }