/* ── Self-hosted fonts — no network needed ── */
    @font-face { font-family: 'Arial';              font-weight: 400; src: url('fonts/arial.ttf'); }
    @font-face { font-family: 'Arial';              font-weight: 700; src: url('fonts/arial-bold.ttf'); }
    @font-face { font-family: 'Tahoma';             font-weight: 400; src: url('fonts/tahoma.ttf'); }
    @font-face { font-family: 'Tahoma';             font-weight: 700; src: url('fonts/tahoma-bold.ttf'); }
    @font-face { font-family: 'Verdana';            font-weight: 400; src: url('fonts/verdana.ttf'); }
    @font-face { font-family: 'Verdana';            font-weight: 700; src: url('fonts/verdana-bold.ttf'); }
    @font-face { font-family: 'Bahnschrift';        font-weight: 400; src: url('fonts/bahnschrift.ttf'); }
    @font-face { font-family: 'Impact';             font-weight: 400; src: url('fonts/impact.ttf'); }
    @font-face { font-family: 'Georgia';            font-weight: 400; src: url('fonts/georgia.ttf'); }
    @font-face { font-family: 'Georgia';            font-weight: 700; src: url('fonts/georgia-bold.ttf'); }
    @font-face { font-family: 'Times New Roman';    font-weight: 400; src: url('fonts/times.ttf'); }
    @font-face { font-family: 'Times New Roman';    font-weight: 700; src: url('fonts/times-bold.ttf'); }
    @font-face { font-family: 'Courier New';        font-weight: 400; src: url('fonts/courier.ttf'); }
    @font-face { font-family: 'Courier New';        font-weight: 700; src: url('fonts/courier-bold.ttf'); }
    @font-face { font-family: 'Cascadia Code';      font-weight: 400; src: url('fonts/CascadiaCode-Regular.ttf'); }
    @font-face { font-family: 'Cascadia Code';      font-weight: 700; src: url('fonts/CascadiaCode-Bold.ttf'); }
    @font-face { font-family: 'Cascadia Mono';      font-weight: 400; src: url('fonts/CascadiaMono-Regular.ttf'); }
    @font-face { font-family: 'Cascadia Mono';      font-weight: 700; src: url('fonts/CascadiaMono-Bold.ttf'); }
    @font-face { font-family: 'Marlett';            font-weight: 400; src: url('fonts/marlett.ttf'); }
    @font-face { font-family: 'Symbol';             font-weight: 400; src: url('fonts/symbol.ttf'); }
    @font-face { font-family: 'Webdings';           font-weight: 400; src: url('fonts/webdings.ttf'); }
    @font-face { font-family: 'Wingdings';          font-weight: 400; src: url('fonts/wingdings.ttf'); }

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

    html,
    body {
      margin: 0;
      padding: 0;
      width: 100%;
      height: 100%;
      overflow: hidden;
      touch-action: none;
      /* Prevent browser handling of touch gestures */
      -webkit-overflow-scrolling: touch;
    }

    :root {
      --bg: #f3f3f3;
      --surface: #ffffff;
      --surface2: #e8e8e8;
      --border: #d1d1d1;
      --accent: #0066cc;
      --accent2: #5a30e8;
      --text: #222222;
      --muted: #555555;
      --good: #208a4f;
      --gap: 12px;
      --r: 8px;
      --primary: #2563eb;
      --primary-hover: #1d4ed8;
      --surface-mid: #f8fafc;
      --text-dim: #64748b;
      --panel-body-padding: 12px;
    }



    /* Settings Panel */
    .settings-panel {
      position: fixed;
      top: 0;
      right: -320px;
      width: 320px;
      height: 100vh;
      background: var(--surface);
      box-shadow: -4px 0 15px rgba(0, 0, 0, 0.1);
      transition: right 0.3s cubic-bezier(0.4, 0, 0.2, 1);
      z-index: 2002;
      display: flex;
      flex-direction: column;
    }

    .settings-panel:not(.hidden) {
      right: 0;
    }

    .settings-header {
      padding: 16px 20px;
      border-bottom: 1px solid var(--border);
      display: flex;
      justify-content: space-between;
      align-items: center;
      background: var(--surface-mid);
    }

    .settings-header h3 {
      margin: 0;
      font-size: 16px;
    }

    .settings-body {
      padding: 20px;
      flex: 1;
      overflow-y: auto;
    }

    .setting-row {
      display: flex;
      justify-content: space-between;
      align-items: center;
      margin-bottom: 20px;
    }

    .setting-row label {
      font-size: 13px;
      color: var(--text);
      font-weight: 500;
    }

    .setting-row input {
      padding: 4px 8px;
      border: 1px solid var(--border);
      border-radius: 4px;
      width: 60px;
      text-align: right;
    }

    .settings-overlay {
      position: fixed;
      top: 0;
      left: 0;
      width: 100vw;
      height: 100vh;
      background: rgba(0, 0, 0, 0.3);
      backdrop-filter: blur(2px);
      z-index: 2001;
      opacity: 1;
      transition: opacity 0.3s ease;
    }

    .settings-overlay.hidden {
      opacity: 0;
      pointer-events: none;
    }

    .hidden {
      display: none !important;
    }

    html,
    body {
      margin: 0;
      padding: 0;
      width: 100%;
      height: 100%;
      overflow: hidden;
      background: var(--bg);
      color: var(--text);
      font: 13px/1.5 Arial, sans-serif;
    }

    /* Stepper UI for Plunge Depth */
    .stepper-container {
      display: flex;
      align-items: center;
      background: var(--surface2);
      border: 1px solid var(--border);
      border-radius: 4px;
      overflow: hidden;
      height: 28px;
    }

    .stepper-container input {
      border: none !important;
      min-width: 50px !important;
      flex: 1;
      text-align: center;
      background: transparent !important;
      padding: 0 6px !important;
      margin: 0 !important;
      font-weight: 600;
      -moz-appearance: textfield;
      appearance: none;
    }

    .stepper-container input::-webkit-outer-spin-button,
    .stepper-container input::-webkit-inner-spin-button {
      -webkit-appearance: none;
      margin: 0;
    }

    .stepper-btn {
      background: var(--surface);
      border: none;
      width: 24px;
      height: 100%;
      cursor: pointer;
      font-size: 16px;
      font-weight: bold;
      display: flex;
      align-items: center;
      justify-content: center;
      color: var(--accent);
      transition: background 0.2s;
    }

    .stepper-btn:hover {
      background: #e0e0e0;
    }

    .stepper-btn:active {
      background: #d0d0d0;
    }

    /* Update the main app grid to use 3 columns on desktop */
    .app {
      --sidebar-width: 320px;
      --preview-height: 50vh;
      display: grid;
      grid-template-columns: var(--sidebar-width) 8px 1fr;
      /* 8px for the resizer */
      grid-template-rows: auto 1fr auto auto;
      width: 100%;
      height: 100%;
      overflow: hidden;
    }

    .tab-bar {
      display: flex;
      background: rgba(255, 255, 255, 0.08);
      border-bottom: 1px solid var(--border);
      padding: 4px;
      gap: 4px;
    }

    .tab-btn {
      flex: 1;
      padding: 10px;
      border: 1px solid rgba(0, 0, 0, 0.08);
      background: rgba(0, 0, 0, 0.06);
      color: var(--text-dim);
      font-weight: 600;
      font-size: 11px;
      letter-spacing: 1px;
      text-transform: uppercase;
      cursor: pointer;
      border-radius: 4px;
      transition: all 0.2s ease;
    }

    .tab-btn.active {
      background: rgba(255, 255, 255, 0.36);
      color: var(--text);
      box-shadow: 0 4px 12px rgba(0, 0, 0, 0.18);
      border-color: rgba(0, 0, 0, 0.08);
    }

    .tab-btn:hover:not(.active) {
      background: rgba(0, 0, 0, 0.1);
      border-color: rgba(0, 0, 0, 0.12);
    }

    .main-content {
      flex: 1;
      overflow-y: auto;
      padding: var(--gap);
      background: var(--bg);
    }

    .tab-content {
      display: none;
      flex-direction: column;
      gap: var(--gap);
    }

    .tab-content.active {
      display: flex;
    }

    /* Base positions for Desktop */
    header {
      grid-column: 1 / -1;
      background: var(--surface);
      border-bottom: 1px solid var(--border);
      padding: 10px 18px;
      display: flex;
      align-items: center;
      gap: 14px;
    }

    .logo {
      font-size: 15px;
      font-weight: 700;
      color: var(--accent);
      letter-spacing: 0.04em;
    }

    .badge {
      font-size: 10px;
      background: var(--surface2);
      border: 1px solid var(--border);
      padding: 2px 7px;
      border-radius: 99px;
      color: var(--muted);
    }

    aside {
      grid-column: 1;
      grid-row: 2;
      border-right: none;
      background: var(--surface);
      overflow-y: auto;
      padding: 14px 14px 60px 14px;
      display: flex;
      flex-direction: column;
      gap: var(--gap);
      min-height: 0;
    }

    .panel {
      background: rgba(255, 255, 255, 0.7);
      border-left: 3px solid #ccc;
      border-radius: var(--r);
      overflow: hidden;
      flex-shrink: 0;
      box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
    }

    .panel-header {
      padding: 9px 12px;
      font-size: 11px;
      font-weight: 700;
      letter-spacing: 0.06em;
      text-transform: uppercase;
      color: #111;
      background: rgba(0, 0, 0, .05);
      cursor: pointer;
      user-select: none;
      display: flex;
      align-items: center;
      gap: 6px;
    }

    .panel-header::before {
      content: '▼';
      font-size: 14px; /* Scaled up as requested */
      transition: transform 0.2s;
      width: 16px;
      display: inline-block;
      text-align: center;
      opacity: 0.6;
    }

    .panel.collapsed .panel-header::before,
    .panel-header.collapsed::before {
      transform: rotate(-90deg);
    }

    .panel-body {
      padding: var(--panel-body-padding) !important;
      display: flex;
      flex-direction: column;
      gap: 10px;
    }

    .panel.collapsed .panel-body {
      display: none;
    }

    .panel-stock {
      border-left-color: #64748b;
    }

    .panel-terrain {
      border-left-color: #0066cc;
    }

    .panel-smooth {
      border-left-color: #8b5cf6;
    }

    .panel-sculpt-t {
      border-left-color: #059669;
    }

    .panel-thicken {
      border-left-color: #d97706;
    }

    .panel-sculpt-b {
      border-left-color: #dc2626;
    }

    .panel-stamp {
      border-left-color: #20c997;
    }

    .panel-resolution {
      border-left-color: #65a30d;
    }

    .panel-preset {
      border-left-color: #0e7490;
    }

    /* Sub-panel — nested inside a sketch panel, category grouping */
    .panel-sub {
      background: rgba(0, 0, 0, 0.02);
      border-left: 2px solid rgba(0, 0, 0, 0.08);
      border-radius: 3px;
      overflow: hidden;
      flex-shrink: 0;
    }

    .panel-sub .panel-header {
      font-size: 10px;
      padding: 5px 10px;
      background: rgba(0, 0, 0, 0.03);
      letter-spacing: 0.08em;
    }

    .panel-sub .panel-header::before {
      font-size: 11px;
    }

    .panel-sub.collapsed .panel-header::before {
      transform: rotate(-90deg);
    }

    .panel-sub.collapsed .panel-body {
      display: none;
    }

    /* ck_ constraint toggle row — checkbox replaces slider */
    .ck-toggle-wrap .slider-header {
      padding-bottom: 0;
    }

    /* ck_ constraint toggles — separate class so they don't pollute the lock counter */
    .ck-toggle {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      font-size: 12px;
      cursor: pointer;
      user-select: none;
    }

    .ck-toggle input[type=checkbox] {
      width: 16px;
      height: 16px;
      margin: 0;
      accent-color: var(--good);
    }

    .ck-toggle.ck-on {
      color: var(--good);
    }

    .ck-toggle.ck-off {
      color: var(--text-dim);
    }

    label {
      display: flex;
      flex-direction: column;
      gap: 4px;
      font-size: 12px;
      color: var(--muted);
    }

    label span {
      color: var(--text);
      font-weight: 500;
    }

    input[type=number],
    input[type=text],
    select {
      width: 100%;
      background: var(--surface);
      border: 1px solid var(--border);
      border-radius: 5px;
      padding: 5px 8px;
      color: var(--text);
      font: inherit;
    }

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

    .row label {
      flex: 1;
    }

    .slider-container {
      width: 100%;
    }

    .slider-container input[type=range] {
      width: 100%;
      accent-color: var(--accent);
    }

    .row2 {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 8px;
    }

    .slider-wrap {
      display: flex;
      flex-direction: column;
      gap: 8px;
    }

    .slider-header {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 8px;
    }

    .slider-name {
      font-size: 12px;
      font-weight: 700;
      color: var(--text);
    }

    .slider-val {
      font-size: 12px;
      color: var(--text-dim);
      min-width: 48px;
      text-align: right;
    }

    .slider-row {
      display: flex;
      align-items: center;
      gap: 8px;
      width: 100%;
    }

    .slider-row input[type=range] {
      flex: 1;
      accent-color: var(--accent);
    }

    .slider-row input[type=number] {
      width: 62px;
      flex-shrink: 0;
    }

    .lock-toggle {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      font-size: 12px;
      color: var(--text-dim);
      cursor: pointer;
      user-select: none;
    }

    .lock-toggle input[type=checkbox] {
      width: 16px;
      height: 16px;
      margin: 0;
      accent-color: var(--accent);
    }

    .panel-divider {
      margin-top: 16px;
      border-top: 1px solid var(--border);
      padding-top: 16px;
    }

    .panel-spaced {
      margin-top: 24px;
      border-top: 1px solid var(--border);
      padding-top: 16px;
    }

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

    .flex-row-spread {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 8px;
    }

    .label-inline {
      flex-direction: row;
      align-items: center;
      gap: 8px;
    }

    .select-sm {
      width: 140px;
      max-width: 100%;
    }

    .input-xs {
      width: 60px;
      flex-shrink: 0;
    }

    .mt-4 {
      margin-top: 4px;
    }

    .label-divider {
      border-bottom: 1px solid #ddd;
      padding-bottom: 8px;
      margin-bottom: 8px;
    }

    .btn-icon {
      height: 32px;
      width: 32px;
      padding: 0;
      display: flex;
      align-items: center;
      justify-content: center;
    }

    .btn-wide {
      width: 100%;
      height: 32px;
    }

    .slider-row input[type=number] {
      width: 62px;
      flex-shrink: 0;
    }

    .btn {
      display: flex;
      align-items: center;
      justify-content: center;
      gap: 6px;
      border: none;
      border-radius: 6px;
      padding: 9px 14px;
      font: 600 13px/1 inherit;
      cursor: pointer;
    }

    .btn-primary {
      background: var(--accent);
      color: #fff;
    }

    #btnDownload {
      background: linear-gradient(180deg, #1d4ed8, #2563eb) !important;
      color: #ffffff !important;
      border-color: #1e40af !important;
      box-shadow: 0 1px 2px rgba(0, 0, 0, 0.12);
      font-weight: 700;
      min-width: 84px !important;
      padding: 0 14px !important;
    }

    #btnDownloadAddin {
      min-width: 84px !important;
      padding: 0 14px !important;
    }

    #theme-btn,
    #settings-btn {
      width: 32px !important;
      min-width: 32px !important;
      padding: 0 !important;
    }

    #btnDownload:hover {
      background: linear-gradient(180deg, #2563eb, #1d4ed8) !important;
    }

    .btn-secondary {
      background: var(--surface2);
      border: 1px solid var(--border);
      color: var(--text);
    }

    .btn-xs {
      padding: 5px 10px;
      font-size: 11px;
    }

    #theme-control {
      position: relative;
      display: inline-flex;
      align-items: center;
    }

    #theme-btn {
      width: 32px;
      height: 32px;
      padding: 0;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      border-color: var(--border);
      color: var(--text);
      background: var(--surface2);
    }

    .theme-dropdown {
      position: absolute;
      top: calc(100% + 6px);
      right: 0;
      min-width: 180px;
      background: var(--surface);
      border: 1px solid var(--border);
      border-radius: 8px;
      box-shadow: 0 14px 30px rgba(0, 0, 0, 0.12);
      z-index: 1200;
      overflow: hidden;
    }

    .theme-dropdown.hidden {
      display: none;
    }

    .theme-dropdown button {
      all: unset;
      display: block;
      width: 100%;
      padding: 10px 12px;
      color: var(--text);
      cursor: pointer;
      font: 13px/1.4 inherit;
    }

    .theme-dropdown button:hover,
    .theme-dropdown button.active {
      background: var(--surface2);
    }

    #previewArea {
      grid-column: 3;
      grid-row: 2;
      border-left: none;
      position: relative;
      background: transparent !important;
      overflow: hidden;
      padding: 0;
      min-height: 0;
    }

    #previewCanvas {
      position: absolute;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      display: block;
      opacity: 0;
      background: transparent !important;
    }

    #previewCanvas.ready {
      animation: canvasFadeIn 2s ease-out both;
    }

    @keyframes canvasFadeIn {
      to { opacity: 1; }
    }

    .preview-hint {
      position: absolute;
      bottom: 12px;
      right: 14px;
      font-size: 11px;
      color: var(--muted);
      pointer-events: none;
      background: rgba(255, 255, 255, .8);
      padding: 3px 8px;
      border-radius: 4px;
      border: 1px solid var(--border);
    }

    #bottomStatusBar {
      grid-row: 4;
    }

    @media (max-width: 700px) {
      #bottomStatusBar {
        grid-row: 6;
      }
    }

    .tip {
      font-size: 11px;
      color: var(--muted);
      line-height: 1.4;
      background: rgba(0, 102, 204, .01);
      border-left: 2px solid var(--accent);
      padding: 6px 10px;
    }

    /* The Resizer Element Styling */
    #resizer {
      grid-column: 2;
      grid-row: 2;
      background: var(--surface2);
      border-left: 1px solid var(--border);
      border-right: 1px solid var(--border);
      cursor: col-resize;
      touch-action: none;
      /* Prevent scroll on mobile drag */
      display: flex;
      align-items: center;
      justify-content: center;
      z-index: 50;
      transition: background 0.1s;
    }

    #resizer:hover,
    #resizer:active {
      background: #d4d4d4;
    }

    /* Little grip lines */
    #resizer::after {
      content: '';
      display: block;
      width: 2px;
      height: 24px;
      background: #a0a0a0;
      border-radius: 2px;
    }

    /* Mobile & Tablet Overrides */
    @media (max-width: 900px) {
      .app {
        --sidebar-width: 280px;
      }
    }

    @media (max-width: 700px) {
      .app {
        --preview-height: 36vh;
        grid-template-columns: 1fr;
        /* Rows: Header | Preview | Resizer | Settings | Footer | Status Bar */
        grid-template-rows: auto var(--preview-height) 12px 1fr auto auto;
      }

      #previewArea {
        grid-column: 1;
        grid-row: 2;
        border-bottom: none;
      }

      #resizer {
        grid-column: 1;
        grid-row: 3;
        cursor: row-resize;
        border-left: none;
        border-right: none;
        border-top: 1px solid var(--border);
        border-bottom: 1px solid var(--border);
      }

      #resizer::after {
        width: 32px;
        height: 2px;
      }

      /* Horizontal grip */

      aside {
        grid-column: 1;
        grid-row: 4;
        border-bottom: none;
      }

      #fusionActionBar {
        grid-row: 5;
      }
    }

    /* =========================================
       Base Modal System (Phase 4)
       ========================================= */
    .modal-overlay {
      position: fixed;
      top: 0;
      left: 0;
      width: 100vw;
      height: 100vh;
      background: rgba(0, 0, 0, 0.8);
      backdrop-filter: blur(2px);
      z-index: 9999;
      display: none;
      /* Controlled by JS / Inline style */
      align-items: center;
      justify-content: center;
    }

    .modal-window {
      background: var(--surface);
      border-radius: 8px;
      box-shadow: 0 10px 40px rgba(0, 0, 0, 0.5);
      display: flex;
      flex-direction: column;
      max-width: 95vw;
      max-height: 95vh;
      overflow: hidden;
    }

    .modal-header {
      padding: 16px 20px;
      border-bottom: 1px solid var(--border);
      display: flex;
      justify-content: space-between;
      align-items: center;
      background: var(--surface-mid);
    }

    .modal-header h3 {
      margin: 0;
      font-size: 16px;
    }

    .modal-footer {
      padding: 16px 20px;
      border-top: 1px solid var(--border);
      display: flex;
      justify-content: flex-end;
      gap: 12px;
      background: var(--surface-mid);
    }

    /* =========================================
       SVG Editor Strict Mobile Overrides
       ========================================= */
    #svgEditorModal {
      align-items: flex-start !important;
    }

    #svgEditorModal .modal-window {
      width: 100vw;
      max-width: 100vw;
      height: 100vh;
      max-height: 100vh;
      border-radius: 0;
      margin: 0;
      display: flex;
      flex-direction: column;
      min-height: 0;
      min-width: 0;
    }

    #svgEditorModal .modal-window>div:nth-child(2),
    #editorCanvasContainer {
      flex: 1;
      display: flex;
      min-height: 0 !important;
      min-width: 0 !important;
      overflow: hidden;
    }

    #editorSVGContainer {
      width: 100%;
      height: 100%;
      min-width: 0;
      min-height: 0;
      display: flex;
      flex-direction: column;
    }

    .editor-sidebar {
      min-width: 0;
      min-height: 0;
      overflow-y: auto;
    }

    #editorHiddenInput {
      position: fixed !important;
      top: 0 !important;
      left: 0 !important;
    }

    .editor-symbol-keyboard {
      position: absolute;
      bottom: 12px;
      left: 50%;
      transform: translateX(-50%);
      min-width: 260px;
      max-width: 420px;
      width: min(420px, calc(100% - 24px));
      max-height: 240px;
      background: rgba(255,255,255,0.96);
      border: 1px solid rgba(0,0,0,0.16);
      border-radius: 16px;
      box-shadow: 0 18px 30px rgba(0,0,0,0.18);
      padding: 10px;
      overflow: hidden;
      z-index: 60;
      display: flex;
      flex-direction: column;
      gap: 8px;
      touch-action: manipulation;
    }

    .editor-symbol-keyboard-header {
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      justify-content: space-between;
      gap: 8px;
    }

    .editor-symbol-keyboard-label-row {
      display: flex;
      align-items: center;
      gap: 6px;
      flex-wrap: wrap;
    }

    .editor-symbol-keyboard-label,
    .editor-symbol-keyboard-note {
      font-size: 12px;
      opacity: 0.8;
      white-space: nowrap;
    }

    .editor-symbol-family-select {
      min-width: 150px;
      max-width: 220px;
      font-size: 12px;
      padding: 4px 8px;
      border: 1px solid var(--border);
      border-radius: 6px;
      background: var(--surface);
    }

    .editor-symbol-keyboard-actions {
      display: flex;
      align-items: center;
      gap: 8px;
    }

    .editor-symbol-keyboard-grid {
      display: grid;
      grid-template-columns: repeat(8, minmax(30px, 1fr));
      gap: 6px;
      overflow-y: auto;
      padding-right: 2px;
    }

    .symbol-key {
      all: unset;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      width: 100%;
      min-height: 36px;
      border: 1px solid rgba(0,0,0,0.1);
      border-radius: 6px;
      background: var(--surface2);
      color: var(--text);
      font-size: 16px;
      cursor: pointer;
      transition: background 0.15s ease, transform 0.15s ease;
      touch-action: manipulation;
    }

    .symbol-key:hover {
      background: #f1f5f9;
    }

    .symbol-key:active {
      transform: scale(0.98);
      background: #e2e8f0;
    }

    @media (max-width: 720px) {
      .editor-symbol-keyboard {
        position: fixed;
        bottom: 0;
        left: 0;
        right: 0;
        top: auto;
        width: 100%;
        max-width: 100%;
        max-height: 55vh;
        border-radius: 16px 16px 0 0;
        box-shadow: 0 -18px 30px rgba(0,0,0,0.25);
        padding: 12px;
      }

      .editor-symbol-keyboard-grid {
        grid-template-columns: repeat(6, minmax(40px, 1fr));
        gap: 6px;
      }

      .symbol-key {
        min-height: 44px;
        font-size: 18px;
      }

      .editor-symbol-family-select {
        min-width: 130px;
        max-width: 180px;
      }
    }

    /* =========================================
       SVG Editor Mobile Layout Fixes
       ========================================= */
    @media (max-width: 700px) {
      #svgEditorHeader {
        flex-direction: column;
        align-items: flex-start !important;
        padding: 12px 10px;
        gap: 12px;
      }

      #svgEditorHeader h3 {
        margin: 0;
      }

      #svgEditorHeader>div {
        width: 100%;
        margin-left: 0 !important;
        justify-content: space-between;
        overflow-x: auto;
        padding-bottom: 4px;
      }

      .editor-toolbar-top {
        flex-wrap: nowrap;
        gap: 8px;
        padding: 8px;
        height: auto;
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        scroll-snap-type: x proximity;
      }

      .editor-toolbar-top > * {
        flex: 0 0 auto;
        scroll-snap-align: start;
      }

      #editorStrokeGroup,
      #editorFontGroup {
        width: auto;
        justify-content: flex-start;
      }

      #editorStrokeWidthSlider {
        flex: 1;
        margin-right: 12px;
      }

      .editor-sidebar {
        width: 44px;
        padding: 8px 4px;
      }

      .tool-btn {
        width: 32px;
        height: 32px;
      }
    }

    @media (max-width: 700px) {
      #svgEditorModal .modal-window>div:nth-child(2) {
        flex-direction: column;
      }

      .editor-sidebar {
        width: 100%;
        height: auto;
        padding: 8px 6px;
        border-right: none;
        border-bottom: 1px solid var(--border);
        background: var(--surface);
        display: flex;
        flex-wrap: wrap;
        align-items: center;
        gap: 6px;
        overflow-x: auto;
        overflow-y: hidden;
        -webkit-overflow-scrolling: touch;
        touch-action: pan-x;
      }

      .editor-sidebar .tool-btn {
        width: 40px;
        height: 40px;
        flex: 0 0 auto;
      }

      #editorSVGContainer {
        width: 100%;
        min-height: 0;
        flex: 1;
      }

      .editor-toolbar-top {
        padding: 8px 10px;
      }
    }

    /* Wizard Enhancements */
    #exportWizardModal .modal-window {
      width: 420px;
      max-height: 90vh;
    }

    .wizard-body {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 10px;
      padding: 16px;
      overflow-y: auto;
    }

    .wizard-option {
      display: flex;
      flex-direction: column;
      align-items: center;
      text-align: center;
      gap: 8px;
      padding: 12px 10px;
      border: 1px solid var(--border);
      border-radius: 8px;
      background: var(--surface2);
      cursor: pointer;
      transition: 0.2s;
      position: relative;
    }

    .wizard-option:hover {
      background: var(--surface);
      border-color: var(--accent);
    }

    .wizard-option input {
      position: absolute;
      top: 8px;
      right: 8px;
      width: 18px;
      height: 18px;
      cursor: pointer;
      margin: 0;
    }

    .wizard-icon {
      font-size: 1.4rem;
      width: 44px;
      height: 44px;
      display: flex;
      align-items: center;
      justify-content: center;
      background: var(--surface);
      border-radius: 6px;
      border: 1px solid var(--border);
      margin-top: 4px;
    }

    .wizard-info {
      display: flex;
      flex-direction: column;
      gap: 2px;
    }

    .wizard-info .title {
      font-weight: 600;
      font-size: 0.85rem;
      color: var(--text);
    }

    .wizard-info .desc {
      display: none;
    }

    /* Simplified: remove desc text */
    .wizard-option.disabled {
      opacity: 0.3;
      pointer-events: none;
      filter: grayscale(1);
    }

    /* SVG Editor Tool Cursors */
    #editorSVGContainer.mode-draw,
    #editorSVGContainer.mode-line,
    #editorSVGContainer.mode-circle,
    #editorSVGContainer.mode-rect {
      cursor: crosshair;
    }

    #editorSVGContainer.mode-text {
      cursor: text;
    }

    #editorSVGContainer.mode-select {
      cursor: default;
    }

    /* Only show pointer cursor in Select mode or when hovering text in Text mode */
    #editorSVGContainer.mode-select #sketch-layer * {
      cursor: pointer;
    }

    #editorSVGContainer.mode-text #sketch-layer text {
      cursor: pointer;
    }

    /* Hover & Selected Highlights */
    #sketch-layer *.svg-hover:not(text) {
      stroke: #00ccff !important;
      stroke-width: 0.01;
      /* Minimal fallback, dynamic halo handles the 5px offset */
      opacity: 0.8;
    }

    #editorSVGContainer.mode-select .svg-selected,
    #editorSVGContainer.mode-select #sketch-layer *.svg-selected:hover {
      /* Stroke is now handled by the dynamic halo in editor.js */
      filter: drop-shadow(0 0 0.05 rgba(0, 102, 204, 0.3)) !important;
      paint-order: stroke fill markers;
    }

    /* Modern SVG Editor Toolbar */
    .editor-sidebar {
      width: 52px;
      background: var(--surface);
      border-right: 1px solid var(--border);
      padding: 12px 8px;
      display: flex;
      flex-direction: column;
      gap: 8px;
    }

    .tool-btn {
      width: 36px;
      height: 36px;
      padding: 0;
      display: flex;
      align-items: center;
      justify-content: center;
      border-radius: 6px;
      border: 1px solid transparent;
      background: transparent;
      color: var(--text-dim);
      cursor: pointer;
      transition: 0.2s;
    }

    .tool-btn:hover {
      background: var(--surface2);
      color: var(--text);
    }

    .tool-btn.active {
      background: var(--accent);
      color: #fff;
      border-color: var(--accent);
    }

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

    .editor-toolbar-top {
      background: var(--surface);
      border-bottom: 1px solid var(--border);
      padding: 8px 16px;
      display: flex;
      align-items: center;
      gap: 20px;
      overflow-x: auto;
      overflow-y: hidden;
      -webkit-overflow-scrolling: touch;
      touch-action: pan-x;
    }

    .editor-toolbar-top > * {
      flex: 0 0 auto;
    }