/* Google Fonts import */
    @import url('https://fonts.googleapis.com/css2?family=JetBrains+Mono:wght@300;400;500;600;700&display=swap');

    /* CSS Reset & Variables */
    * {
      box-sizing: border-box;
      margin: 0;
      padding: 0;
    }

    :root {
      --bg-color: #0d0d0f;
      --surface-color: #141417;
      --surface-hover: #1f1f24;
      --border-color: #3a3a44;
      --border-focus: #f59e0b;
      --accent-color: #f59e0b;
      --accent-hover: #d97706;
      --text-color: #f3f4f6;
      --text-muted: #9ca3af;
      --text-green: #10b981;
      --shadow-color: rgba(0, 0, 0, 0.6);
      --input-bg: #09090b;

      /* Responsive Precision Tokens */
      --radius-sm: 4px;
      --radius-md: 6px;
      --radius-lg: 8px;
      --radius-xl: 12px;
      --gap-xs: 4px;
      --gap-sm: 8px;
      --gap-md: 12px;
      --gap-lg: 16px;
      --gap-xl: 20px;
    }

    body {
      background-color: var(--bg-color);
      color: var(--text-color);
      font-family: 'JetBrains Mono', monospace;
      font-size: 13px;
      height: 100vh;
      overflow: hidden;
      display: flex;
      flex-direction: column;
    }

    /* Scrollbar Styling */
    ::-webkit-scrollbar {
      width: 6px;
      height: 6px;
    }
    ::-webkit-scrollbar-track {
      background: #0a0a0c;
    }
    ::-webkit-scrollbar-thumb {
      background: #2b2b33;
      border-radius: 3px;
    }
    ::-webkit-scrollbar-thumb:hover {
      background: #444450;
    }

    /* Topbar Layout */
    header {
      background-color: var(--surface-color);
      border-bottom: 1px solid var(--border-color);
      height: 60px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      padding: 0 20px;
      z-index: 10;
      flex-shrink: 0;
    }

    .brand {
      display: flex;
      align-items: center;
      gap: var(--gap-sm);
    }

    .brand-logo {
      width: 24px;
      height: 24px;
      display: flex;
      align-items: center;
      justify-content: center;
      filter: drop-shadow(0 0 4px rgba(245, 158, 11, 0.4));
    }

    .brand-title {
      font-size: 16px;
      font-weight: 700;
      letter-spacing: -0.5px;
      background: linear-gradient(90deg, #ffffff 0%, #d1d5db 50%, var(--accent-color) 100%);
      -webkit-background-clip: text;
      background-clip: text;
      -webkit-text-fill-color: transparent;
    }

    .resolution-controls {
      display: flex;
      align-items: center;
      gap: var(--gap-md);
    }

    .control-group {
      display: flex;
      align-items: center;
      gap: var(--gap-sm);
      background: rgba(0,0,0,0.25);
      padding: 5px 12px;
      border-radius: var(--radius-md);
      border: 1px solid var(--border-color);
    }

    .control-label {
      font-size: 11px;
      font-weight: 600;
      color: var(--text-muted);
      letter-spacing: 0.5px;
    }

    .control-group select {
      background: var(--input-bg);
      color: var(--text-color);
      border: 1px solid #2d2d35;
      font-family: inherit;
      font-size: 12px;
      padding: 4px 8px;
      border-radius: var(--radius-sm);
      cursor: pointer;
      outline: none;
      transition: border-color 0.2s, box-shadow 0.2s;
    }
    .control-group select:focus {
      border-color: var(--accent-color);
      box-shadow: 0 0 0 2px rgba(245, 158, 11, 0.15);
    }

    .control-group .res-inputs {
      display: flex;
      align-items: center;
      gap: var(--gap-xs);
    }

    .control-group input[type="number"] {
      background: var(--input-bg);
      color: var(--text-color);
      border: 1px solid #2d2d35;
      width: 60px;
      padding: 4px 6px;
      border-radius: var(--radius-sm);
      font-family: inherit;
      font-size: 12px;
      text-align: center;
      outline: none;
      -moz-appearance: textfield;
      appearance: textfield;
      transition: border-color 0.2s, box-shadow 0.2s;
    }
    .control-group input[type="number"]:focus {
      border-color: var(--accent-color);
      box-shadow: 0 0 0 2px rgba(245, 158, 11, 0.15);
    }

    .control-group input[type="number"]::-webkit-outer-spin-button,
    .control-group input[type="number"]::-webkit-inner-spin-button {
      -webkit-appearance: none;
      margin: 0;
    }

    .zoom-control {
      display: flex;
      align-items: center;
      gap: var(--gap-sm);
    }

    .zoom-slider {
      -webkit-appearance: none;
      appearance: none;
      width: 120px;
      height: 4px;
      background: #2b2b33;
      border-radius: 2px;
      outline: none;
    }

    .zoom-slider::-webkit-slider-thumb {
      -webkit-appearance: none;
      appearance: none;
      width: 12px;
      height: 12px;
      border-radius: 50%;
      background: var(--accent-color);
      cursor: pointer;
      box-shadow: 0 0 6px var(--accent-color);
      transition: transform 0.1s;
    }

    .zoom-slider::-webkit-slider-thumb:hover {
      transform: scale(1.2);
    }

    .zoom-val {
      font-size: 12px;
      font-weight: 500;
      min-width: 42px;
      text-align: right;
    }

    .btn-fit {
      background: #202025;
      border: 1px solid var(--border-color);
      color: var(--text-color);
      border-radius: var(--radius-sm);
      padding: 4px 10px;
      font-family: inherit;
      font-size: 11px;
      cursor: pointer;
      transition: all 0.2s;
    }
    .btn-fit:hover {
      background: #2d2d35;
      border-color: #4b4b58;
    }

    .export-actions {
      display: flex;
      align-items: center;
      gap: var(--gap-sm);
    }

    .btn {
      background: #2b2b33;
      border: 1px solid var(--border-color);
      color: var(--text-color);
      border-radius: var(--radius-md);
      padding: 6px 12px;
      font-family: inherit;
      font-size: 12px;
      font-weight: 500;
      cursor: pointer;
      display: inline-flex;
      align-items: center;
      gap: var(--gap-sm);
      transition: all 0.2s;
    }

    .btn:hover {
      background: #3b3b47;
      border-color: #555566;
    }

    .btn-primary {
      background: var(--accent-color);
      border-color: var(--accent-color);
      color: #000000;
      font-weight: 700;
    }

    .btn-primary:hover {
      background: var(--accent-hover);
      border-color: var(--accent-hover);
    }

    .btn-danger {
      background: rgba(239, 68, 68, 0.15);
      border-color: rgba(239, 68, 68, 0.4);
      color: #f87171;
    }
    .btn-danger:hover {
      background: rgba(239, 68, 68, 0.3);
      border-color: #ef4444;
      color: #ffffff;
    }

    /* Main Grid Layout */
    .app-body {
      display: grid;
      grid-template-columns: 280px 1fr 260px;
      flex: 1;
      min-height: 0;
      overflow: hidden;
    }

    /* Left Sidebar: Slices List */
    .sidebar-left {
      background-color: var(--surface-color);
      border-right: 1px solid var(--border-color);
      display: flex;
      flex-direction: column;
      overflow: hidden;
    }

    /* Composition Dropdown Header */
    .sidebar-comp-header {
      padding: var(--gap-sm) var(--gap-md);
      border-bottom: 1px solid var(--border-color);
      background-color: #101012;
      flex-shrink: 0;
    }

    .sidebar-comp-header select {
      background: #141417;
      color: #ffffff;
      border: 1px solid var(--border-color);
      width: 100%;
      padding: 6px 10px;
      font-family: inherit;
      font-size: 12px;
      font-weight: 600;
      border-radius: var(--radius-md);
      cursor: pointer;
      outline: none;
      transition: border-color 0.2s;
    }

    .sidebar-comp-header select:focus {
      border-color: var(--accent-color);
    }

    /* Sidebar Tree Toolbar */
    .sidebar-tree-toolbar {
      padding: 6px 14px;
      background-color: #101012;
      border-bottom: 1px solid var(--border-color);
      display: flex;
      align-items: center;
      flex-shrink: 0;
    }

    .dropdown-wrapper {
      position: relative;
      display: inline-block;
    }

    .sidebar-tree-toolbar .toolbar-btn {
      background: #1c1c1f;
      border: 1px solid #32323a;
      color: #e3e3e6;
      border-radius: var(--radius-sm);
      padding: 2px 8px;
      font-size: 11px;
      font-weight: 700;
      cursor: pointer;
      display: flex;
      align-items: center;
      gap: 6px;
      transition: all 0.15s ease;
      height: 22px;
    }

    .sidebar-tree-toolbar .toolbar-btn:hover {
      background: #28282f;
      border-color: #484852;
    }

    .sidebar-tree-toolbar .toolbar-btn .plus-icon {
      font-size: 13px;
      font-weight: 700;
    }

    .sidebar-tree-toolbar .toolbar-btn .arrow-icon {
      font-size: 8px;
      color: #8e8e93;
    }

    .dropdown-menu {
      position: absolute;
      top: 100%;
      left: 0;
      z-index: 100;
      background: #1c1c1f;
      border: 1px solid #32323a;
      border-radius: var(--radius-sm);
      margin-top: 4px;
      min-width: 110px;
      display: flex;
      flex-direction: column;
      box-shadow: 0 4px 12px rgba(0, 0, 0, 0.5);
    }

    .dropdown-item {
      padding: 8px 12px;
      font-size: 11px;
      color: #e3e3e6;
      cursor: pointer;
      font-weight: 600;
      transition: all 0.15s ease;
    }

    .dropdown-item:hover {
      background: var(--accent-color);
      color: #000000;
    }

    /* Tree View Container */
    .sidebar-tree-container {
      flex: 1;
      overflow-y: auto;
      background-color: #0c0c0e;
      display: flex;
      flex-direction: column;
      padding: 4px 0;
    }

    /* Common Tree Row Styles */
    .tree-row {
      display: flex;
      align-items: center;
      padding: 6px 14px;
      cursor: pointer;
      user-select: none;
      font-size: 11px;
      font-weight: 600;
      color: #e3e3e6;
      transition: all 0.15s ease;
      position: relative;
    }

    .tree-row.dragging {
      opacity: 0.4;
      background-color: rgba(255, 255, 255, 0.05);
    }

    .tree-row.drag-over {
      border-top: 2px dashed var(--accent-color) !important;
      background-color: rgba(245, 158, 11, 0.15) !important;
    }

    .tree-dragging .tree-row * {
      pointer-events: none !important;
    }

    /* Screen Row Specific Style */
    .tree-row.screen-row {
      background-color: transparent;
      border-bottom: 1px solid #141416;
      height: 28px;
    }

    .tree-row.screen-row:hover {
      background-color: #1a1a1f;
    }

    .tree-row.screen-row.active {
      background-color: #85e3b2; /* Resolume active screen cyan/green */
      color: #000000;
    }

    .tree-row.screen-row.active .tree-label {
      color: #000000;
    }

    .tree-row.screen-row.active .tree-delete-btn {
      color: #444;
    }

    .tree-row.screen-row.active .tree-delete-btn:hover {
      color: #f87171;
    }

    /* Collapse Arrow */
    .tree-collapse-arrow {
      width: 14px;
      height: 14px;
      display: flex;
      align-items: center;
      justify-content: center;
      margin-right: 4px;
      font-size: 8px;
      color: #8e8e93;
      cursor: pointer;
      flex-shrink: 0;
      transition: transform 0.15s;
    }

    .tree-collapse-arrow:hover {
      color: #ffffff;
    }

    .tree-row.screen-row.active .tree-collapse-arrow {
      color: #333333;
    }

    .tree-row.screen-row.active .tree-collapse-arrow:hover {
      color: #000000;
    }

    /* Custom Checkbox */
    .tree-checkbox {
      width: 12px;
      height: 12px;
      border: 1px solid #5a5a64;
      border-radius: 2px;
      margin-right: 8px;
      display: flex;
      align-items: center;
      justify-content: center;
      background-color: #18181c;
      flex-shrink: 0;
      cursor: pointer;
    }

    .tree-checkbox.checked {
      background-color: #18181c;
      border-color: #8e8e93;
    }

    .tree-row.screen-row.active .tree-checkbox {
      border-color: #000000;
      background-color: transparent;
    }

    .tree-row.screen-row.active .tree-checkbox.checked {
      background-color: transparent;
      border-color: #000000;
    }

    .tree-checkbox::after {
      content: '';
      display: none;
      width: 6px;
      height: 6px;
      background-color: var(--checkbox-color, #8e8e93);
    }

    .tree-row.screen-row.active .tree-checkbox.checked::after {
      background-color: #000000;
    }

    .tree-checkbox.checked::after {
      display: block;
    }

    .tree-label {
      flex: 1;
      white-space: nowrap;
      overflow: hidden;
      text-overflow: ellipsis;
      font-size: 11px;
    }

    .tree-delete-btn {
      visibility: hidden;
      opacity: 0;
      transition: opacity 0.15s ease, background-color 0.15s;
      width: 16px;
      height: 16px;
      border-radius: 2px;
      background: #2b2b33;
      color: #dfdfdf;
      font-size: 10px;
      display: flex;
      align-items: center;
      justify-content: center;
      margin-left: auto;
      flex-shrink: 0;
      border: 1px solid #3e3e4a;
      cursor: pointer;
    }

    .tree-delete-btn:hover {
      background: #3e3e4a;
      color: #ffffff;
      border-color: #5a5a64;
    }

    /* Show on hover of parent row */
    .tree-row:hover .tree-delete-btn {
      visibility: visible;
      opacity: 1;
    }

    /* For active screen row, always show it, and style it for the green background */
    .tree-row.screen-row.active .tree-delete-btn {
      visibility: visible;
      opacity: 1;
      background: rgba(0, 0, 0, 0.15);
      border-color: rgba(0, 0, 0, 0.3);
      color: #000000;
    }

    .tree-row.screen-row.active .tree-delete-btn:hover {
      background: rgba(0, 0, 0, 0.3);
      color: #ffffff;
    }

    /* Output Row Specific Style */
    .tree-row.output-row {
      padding-left: 24px;
      color: #8e8e93;
      font-weight: 500;
      height: 24px;
    }

    .tree-row.output-row:hover {
      background-color: #141418;
      color: #ffffff;
    }

    .tree-row.output-row .tree-collapse-arrow {
      margin-right: 2px;
    }

    /* Output Row Active/Selected Parent Screen Style */
    .tree-row.output-row.active-screen {
      color: #85e3b2;
    }

    .tree-row.output-row.active-screen .tree-collapse-arrow {
      color: #85e3b2;
    }

    /* Slice Row Specific Style */
    .tree-row.slice-row {
      padding-left: 38px;
      height: 24px;
      border-bottom: none;
      background-color: transparent;
      margin-top: 1px;
    }

    .tree-row.slice-row:hover {
      background-color: #1a1a1f;
    }

    .tree-row.slice-row.active {
      background-color: #222227;
      border-left: 3px solid var(--accent-color);
      padding-left: 35px; /* Adjust padding to account for 3px border */
    }

    .tree-row.slice-row .tree-label {
      color: #e3e3e6;
    }

    /* Help panel style */
    .sidebar-help-panel {
      padding: 10px var(--gap-md);
      background-color: #101012;
      border-top: 1px solid var(--border-color);
      flex-shrink: 0;
      height: 90px;
      display: flex;
      flex-direction: column;
      justify-content: flex-start;
      gap: var(--gap-xs);
      overflow-y: auto;
    }

    .help-title {
      font-size: 12px;
      font-weight: 700;
      color: var(--accent-color);
      text-transform: uppercase;
      letter-spacing: 0.5px;
    }

    .help-desc {
      font-size: 10px;
      color: var(--text-muted);
      line-height: 1.4;
      font-family: inherit;
    }

    /* Center: Canvas Area */
    .canvas-area {
      display: flex;
      flex-direction: column;
      background-color: var(--bg-color);
      overflow: hidden;
      position: relative;
    }

    .canvas-tabs {
      background-color: #101012;
      border-bottom: 1px solid var(--border-color);
      height: 40px;
      display: flex;
      align-items: center;
      padding: 0 var(--gap-sm);
      flex-shrink: 0;
      gap: var(--gap-xs);
    }

    .tab-btn {
      background: transparent;
      border: 1px solid transparent;
      color: var(--text-muted);
      padding: 5px 12px;
      border-radius: var(--radius-sm);
      font-family: inherit;
      font-size: 12px;
      font-weight: 500;
      cursor: pointer;
      transition: all 0.2s;
    }

    .tab-btn:hover {
      color: #ffffff;
      background: rgba(255,255,255,0.05);
    }

    .tab-btn.active {
      background: #1d1d23;
      border-color: var(--border-color);
      color: var(--accent-color);
      font-weight: 600;
    }

    /* Sub-canvas Toolbar */
    .canvas-toolbar {
      background-color: #141417;
      border-bottom: 1px solid var(--border-color);
      height: 38px;
      display: flex;
      align-items: center;
      padding: 0 var(--gap-md);
      flex-shrink: 0;
      gap: 6px;
    }

    .toolbar-divider {
      width: 1px;
      height: 18px;
      background-color: var(--border-color);
      margin: 0 4px;
    }

    .toolbar-btn {
      background: transparent;
      border: 1px solid transparent;
      color: var(--text-muted);
      width: 28px;
      height: 28px;
      border-radius: var(--radius-sm);
      display: inline-flex;
      align-items: center;
      justify-content: center;
      cursor: pointer;
      transition: all 0.15s ease;
      outline: none;
    }

    .toolbar-btn:hover:not(:disabled) {
      color: #ffffff;
      background: var(--surface-hover);
      border-color: #4b4b58;
    }

    .toolbar-btn.active:not(:disabled) {
      background: rgba(245, 158, 11, 0.1);
      border-color: var(--accent-color);
      color: var(--accent-color);
      box-shadow: 0 0 6px rgba(245, 158, 11, 0.15);
    }

    .toolbar-btn:disabled {
      color: #4b4b58;
      cursor: not-allowed;
    }

    .toolbar-item select {
      background: var(--input-bg);
      color: var(--text-color);
      border: 1px solid #2d2d35;
      font-family: inherit;
      font-size: 11px;
      padding: 4px 6px;
      border-radius: var(--radius-sm);
      cursor: pointer;
      outline: none;
      height: 24px;
      width: 70px;
      transition: border-color 0.2s;
    }

    .toolbar-item select:focus {
      border-color: var(--accent-color);
    }

    .canvas-wrapper {
      flex: 1;
      position: relative;
      overflow: hidden;
      cursor: default;
    }

    canvas {
      position: absolute;
      top: 0;
      left: 0;
      display: block;
      width: 100%;
      height: 100%;
    }

    .canvas-overlay-res {
      position: absolute;
      bottom: 15px;
      right: 15px;
      background: rgba(13, 13, 15, 0.85);
      border: 1px solid var(--border-color);
      padding: 5px var(--gap-sm);
      border-radius: var(--radius-md);
      font-size: 11px;
      font-weight: 600;
      color: var(--text-muted);
      pointer-events: none;
      backdrop-filter: blur(4px);
    }

    /* Right Sidebar: Properties & Settings */
    .sidebar-right {
      background-color: var(--surface-color);
      border-left: 1px solid var(--border-color);
      display: flex;
      flex-direction: column;
      overflow-y: auto;
    }

    .properties-header {
      padding: var(--gap-md);
      border-bottom: 1px solid var(--border-color);
      flex-shrink: 0;
    }

    .properties-header h2 {
      font-size: 13px;
      font-weight: 700;
      letter-spacing: 0.5px;
      text-transform: uppercase;
      color: var(--accent-color);
    }

    .properties-pane {
      padding: var(--gap-md);
      display: flex;
      flex-direction: column;
      gap: var(--gap-lg);
    }

    .properties-group {
      background: rgba(0, 0, 0, 0.15);
      border: 1px solid #2b2b33;
      border-radius: var(--radius-lg);
      padding: 12px;
      display: flex;
      flex-direction: column;
      gap: var(--gap-md);
    }

    .properties-group-title {
      font-size: 11px;
      font-weight: 700;
      text-transform: uppercase;
      letter-spacing: 0.5px;
      color: #9ca3af;
      margin-bottom: 4px;
      display: flex;
      align-items: center;
      justify-content: space-between;
    }

    .property-row {
      display: flex;
      flex-direction: column;
      gap: 4px;
    }

    .property-row label {
      font-size: 11px;
      color: var(--text-muted);
    }

    .property-row input[type="text"] {
      width: 100%;
    }

    /* Color Swatch Picker */
    .color-picker-grid {
      display: grid;
      grid-template-columns: repeat(5, 1fr);
      gap: var(--gap-xs);
      margin-top: 4px;
    }

    .color-swatch-btn {
      aspect-ratio: 1;
      border-radius: var(--radius-sm);
      border: 2px solid transparent;
      cursor: pointer;
      position: relative;
      transition: transform 0.1s;
    }

    .color-swatch-btn:hover {
      transform: scale(1.15);
    }

    .color-swatch-btn.active {
      border-color: #ffffff;
      box-shadow: 0 0 6px rgba(255,255,255,0.4);
    }

    .btn-link-io {
      background: #18181c;
      border: 1px solid var(--border-color);
      color: var(--text-color);
      padding: 6px 10px;
      border-radius: var(--radius-sm);
      font-family: inherit;
      font-size: 11px;
      cursor: pointer;
      width: 100%;
      text-align: center;
      transition: all 0.2s;
      font-weight: 600;
    }

    .btn-link-io.active {
      border-color: #10b981;
      color: #10b981;
      background: rgba(16, 185, 129, 0.05);
    }

    .btn-link-io.inactive {
      border-color: var(--border-color);
      color: var(--text-muted);
    }

    /* Grid layout for coordinates input */
    .coords-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: var(--gap-sm);
    }

    .coord-field {
      display: flex;
      align-items: center;
      background: var(--input-bg);
      border: 1px solid #2d2d35;
      border-radius: var(--radius-sm);
      overflow: hidden;
      transition: border-color 0.2s, box-shadow 0.2s;
    }
    .coord-field:focus-within {
      border-color: var(--accent-color);
      box-shadow: 0 0 0 2px rgba(245, 158, 11, 0.15);
    }

    .coord-field span {
      background: #18181c;
      padding: 4px 8px;
      font-size: 10px;
      color: var(--text-muted);
      border-right: 1px solid #2d2d35;
      min-width: 24px;
      text-align: center;
    }

    .coord-field input {
      border: none !important;
      background: transparent;
      padding: 4px 6px;
      width: 100%;
      text-align: center;
      outline: none;
      color: var(--text-color);
      font-family: inherit;
    }

    /* Sidebar properties elements premium inputs */
    .properties-pane input[type="text"],
    .properties-pane input[type="number"]:not(.coord-field input),
    .properties-pane select {
      background: var(--input-bg);
      border: 1px solid #2d2d35;
      border-radius: var(--radius-sm);
      color: var(--text-color);
      padding: 6px 10px;
      font-family: inherit;
      font-size: 12px;
      outline: none;
      width: 100%;
      transition: border-color 0.2s, box-shadow 0.2s;
    }

    .properties-pane input[type="text"]:focus,
    .properties-pane input[type="number"]:not(.coord-field input):focus,
    .properties-pane select:focus {
      border-color: var(--accent-color);
      box-shadow: 0 0 0 2px rgba(245, 158, 11, 0.15);
    }

    /* Cabinet Calculator Section */
    .cabinet-calculator {
      border-top: 1px solid rgba(255,255,255,0.05);
      padding-top: var(--gap-sm);
      margin-top: var(--gap-xs);
      display: flex;
      flex-direction: column;
      gap: var(--gap-sm);
    }

    .physical-dim-label {
      font-size: 11px;
      color: var(--text-green);
      font-weight: 600;
      margin-top: 2px;
    }

    /* Sidebar right empty fallback */
    .properties-empty {
      padding: 50px var(--gap-lg);
      text-align: center;
      color: var(--text-muted);
      display: flex;
      flex-direction: column;
      align-items: center;
      gap: var(--gap-md);
    }

    .properties-empty svg {
      width: 32px;
      height: 32px;
      stroke: var(--text-muted);
      opacity: 0.5;
    }

    /* Bottom Info Bar */
    footer {
      background-color: var(--surface-color);
      border-top: 1px solid var(--border-color);
      height: 24px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      padding: 0 var(--gap-md);
      font-size: 11px;
      color: var(--text-muted);
      z-index: 10;
      flex-shrink: 0;
    }

    .status-left {
      display: flex;
      align-items: center;
      gap: var(--gap-md);
    }

    .status-indicator {
      display: flex;
      align-items: center;
      gap: var(--gap-xs);
    }

    .status-dot {
      width: 6px;
      height: 6px;
      background-color: #10b981;
      border-radius: 50%;
    }

    .status-right {
      display: flex;
      align-items: center;
      gap: var(--gap-md);
    }

    /* Utility Helper */
    .mb-6 { margin-bottom: 6px; }

    /* Snap Toggle Button */
    .btn-snap {
      background: #202025;
      border: 1px solid var(--border-color);
      color: var(--text-muted);
      border-radius: var(--radius-sm);
      padding: 4px 10px;
      font-family: inherit;
      font-size: 11px;
      cursor: pointer;
      transition: all 0.2s;
      display: inline-flex;
      align-items: center;
      gap: var(--gap-xs);
      user-select: none;
    }
    
    .btn-snap.active {
      border-color: var(--accent-color);
      color: var(--accent-color);
      background: rgba(245, 158, 11, 0.05);
      box-shadow: 0 0 6px rgba(245, 158, 11, 0.15);
    }
    
    .btn-snap:hover {
      background: #2d2d35;
      border-color: #4b4b58;
      color: #ffffff;
    }
    
    .btn-snap.active:hover {
      background: rgba(245, 158, 11, 0.1);
      border-color: var(--accent-hover);
    }

    /* Modal styles */
    .modal-overlay {
      position: fixed;
      top: 0;
      left: 0;
      width: 100vw;
      height: 100vh;
      background: rgba(13, 13, 15, 0.75);
      backdrop-filter: blur(8px);
      z-index: 9999;
      display: flex;
      align-items: center;
      justify-content: center;
      animation: fadeIn 0.2s ease-out;
    }
    
    .modal-content {
      background: #141417;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-xl);
      width: 400px;
      max-width: 90%;
      box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
      overflow: hidden;
      animation: slideUp 0.25s ease-out;
    }
    
    .modal-header {
      padding: 16px var(--gap-lg);
      border-bottom: 1px solid var(--border-color);
      display: flex;
      align-items: center;
      justify-content: space-between;
    }
    
    .modal-header h3 {
      font-size: 14px;
      font-weight: 700;
      color: var(--accent-color);
      text-transform: uppercase;
      letter-spacing: 0.5px;
      margin: 0;
    }
    
    .modal-close {
      background: transparent;
      border: none;
      color: var(--text-muted);
      font-size: 20px;
      cursor: pointer;
      line-height: 1;
      transition: color 0.15s;
    }
    
    .modal-close:hover {
      color: #ffffff;
    }
    
    .modal-body {
      padding: var(--gap-lg);
      display: flex;
      flex-direction: column;
      gap: var(--gap-md);
    }
    
    .modal-desc {
      font-size: 11px;
      color: var(--text-muted);
      margin: 0 0 4px 0;
      line-height: 1.5;
    }
    
    .form-group {
      display: flex;
      flex-direction: column;
      gap: var(--gap-xs);
    }
    
    .form-group label {
      font-size: 11px;
      font-weight: 600;
      color: #9ca3af;
      text-align: left;
    }
    
    .form-group select, .form-group input {
      background: var(--input-bg);
      border: 1px solid #2b2b33;
      border-radius: var(--radius-md);
      color: #ffffff;
      padding: 8px var(--gap-md);
      font-family: inherit;
      font-size: 12px;
      outline: none;
      transition: border-color 0.2s, box-shadow 0.2s;
    }
    
    .form-group select:focus, .form-group input:focus {
      border-color: var(--accent-color);
      box-shadow: 0 0 0 2px rgba(245, 158, 11, 0.15);
    }
    
    .modal-footer {
      padding: 16px var(--gap-lg);
      border-top: 1px solid var(--border-color);
      display: flex;
      justify-content: flex-end;
      gap: var(--gap-sm);
      background: #0d0d0f;
    }
    
    .modal-warning {
      margin-top: 8px;
      padding: 12px;
      background: rgba(245, 158, 11, 0.05);
      border: 1px solid rgba(245, 158, 11, 0.2);
      border-radius: var(--radius-md);
      display: flex;
      align-items: center;
      gap: var(--gap-md);
    }
    
    .spinner {
      width: 16px;
      height: 16px;
      border: 2px solid rgba(255, 255, 255, 0.1);
      border-top-color: var(--accent-color);
      border-radius: 50%;
      animation: spin 0.8s linear infinite;
    }
    
    @keyframes spin {
      to { transform: rotate(360deg); }
    }
    @keyframes fadeIn {
      from { opacity: 0; }
      to { opacity: 1; }
    }
    @keyframes slideUp {
      from { transform: translateY(15px); opacity: 0; }
      to { transform: translateY(0); opacity: 1; }
    }

    /* Auth Modal specific styles */
    .auth-tabs {
      display: flex;
      border-bottom: 1px solid var(--border-color);
      margin-bottom: var(--gap-md);
      padding: 0 var(--gap-lg);
    }

    .auth-tab {
      flex: 1;
      background: transparent;
      border: none;
      border-bottom: 2px solid transparent;
      color: var(--text-muted);
      padding: 10px 0;
      font-family: inherit;
      font-size: 12px;
      font-weight: 600;
      cursor: pointer;
      text-align: center;
      transition: all 0.2s;
      outline: none;
    }

    .auth-tab:hover {
      color: #ffffff;
    }

    .auth-tab.active {
      color: var(--accent-color);
      border-bottom-color: var(--accent-color);
    }

    /* Modal Close Button layout styling */
    .modal-close-btn {
      background: transparent;
      border: none;
      color: var(--text-muted);
      font-size: 20px;
      cursor: pointer;
      line-height: 1;
      transition: color 0.15s;
    }
    .modal-close-btn:hover {
      color: #ffffff;
    }

    /* Auth Landing Screen styles */
    .auth-screen {
      position: fixed;
      top: 0;
      left: 0;
      width: 100vw;
      height: 100vh;
      background: radial-gradient(circle at center, #1b1b22 0%, #0d0d0f 100%);
      z-index: 10000;
      display: flex;
      align-items: center;
      justify-content: center;
      padding: var(--gap-lg);
      overflow-y: auto;
    }

    .auth-card {
      background: rgba(20, 20, 23, 0.7);
      backdrop-filter: blur(12px);
      -webkit-backdrop-filter: blur(12px);
      border: 1px solid rgba(255, 255, 255, 0.08);
      border-radius: var(--radius-xl);
      width: 100%;
      max-width: 400px;
      box-shadow: 0 20px 50px rgba(0, 0, 0, 0.6), 0 0 40px rgba(245, 158, 11, 0.03);
      padding: 30px var(--gap-lg);
      animation: slideUp 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    }

    .auth-card-header {
      text-align: center;
      margin-bottom: var(--gap-lg);
      display: flex;
      flex-direction: column;
      align-items: center;
    }

    .brand-logo-large {
      margin-bottom: var(--gap-md);
      filter: drop-shadow(0 0 8px rgba(245, 158, 11, 0.35));
      animation: pulseLogo 3s ease-in-out infinite;
    }

    .auth-brand-title {
      font-size: 20px;
      font-weight: 700;
      letter-spacing: -0.5px;
      margin-bottom: 4px;
      background: linear-gradient(90deg, #ffffff 0%, #d1d5db 50%, var(--accent-color) 100%);
      -webkit-background-clip: text;
      background-clip: text;
      -webkit-text-fill-color: transparent;
    }

    .auth-brand-subtitle {
      font-size: 11px;
      color: var(--text-muted);
      letter-spacing: 0.2px;
    }

    .auth-card-body {
      display: flex;
      flex-direction: column;
      gap: var(--gap-md);
    }

    @keyframes pulseLogo {
      0%, 100% { transform: scale(1); filter: drop-shadow(0 0 8px rgba(245, 158, 11, 0.35)); }
      50% { transform: scale(1.05); filter: drop-shadow(0 0 16px rgba(245, 158, 11, 0.65)); }
    }