:root {
      --bg: #0b1020;
      --muted: #1a2238;
      --card: #11182d;
      --card-2: #0e152a;
      --text: #e7ecff;
      --text-rgb: 231, 236, 255;
      --sub: #a6b0d6;
      --accent: #6aa3ff;
      --accent-2: #20c997;
      --danger: #ff6b6b;
      --warning: #ffd43b;
      --shadow: 0 12px 30px rgba(0,0,0,.35);
      --border: #192244;
      --hover: #1e2a49;
      --contrast-opacity: 1;
    }

    /* Light Theme Variables */
    :root[data-theme="light"] {
      --bg: #f5f7fa;
      --muted: #e8ecf0;
      --card: #f0f4f8;
      --card-2: #e2e8f0;
      --text: #1a1a1a;
      --text-rgb: 26, 26, 26;
      --sub: #4a5568;
      --accent: #1a73e8;
      --accent-2: #137333;
      --danger: #d93025;
      --warning: #f9ab00;
      --shadow: 0 4px 12px rgba(0,0,0,.08);
      --border: #cbd5e0;
      --hover: #e2e8f0;
      --contrast-opacity: 1;
    }

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

    html, body {
      height: 100%;
    }

    body {
      font-family: ui-sans-serif, system-ui, -apple-system, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
      background: linear-gradient(180deg, var(--bg), #060913 60%);
      color: var(--text);
      line-height: 1.6;
      transition: background 0.3s ease, color 0.3s ease;
    }

    /* Light theme body background */
    :root[data-theme="light"] body {
      background: linear-gradient(180deg, var(--bg), #e8ecf0 60%);
    }

    .app-header {
      position: sticky;
      top: 0;
      z-index: 10;
      display: flex;
      align-items: center;
      gap: 12px;
      padding: 10px 16px;
      background: rgba(11,16,32,.75);
      backdrop-filter: blur(6px);
      border-bottom: 1px solid rgba(42, 52, 65, 0.6);
      transition: border-bottom 0.3s ease;
    }

    /* Keep header dark in light mode but make it more subtle */
    :root[data-theme="light"] .app-header {
      background: rgba(11,16,32,.65);
      border-bottom: 1px solid rgba(58, 68, 81, 0.4);
    }

    .brand {
      display: flex;
      align-items: center;
      gap: 10px;
      margin-right: auto;
    }

    .logo-link {
      display: flex;
      align-items: center;
      gap: 10px;
      text-decoration: none;
      color: inherit;
      cursor: pointer;
      transition: opacity 0.2s ease;
    }

    .logo-link:hover {
      opacity: 0.8;
    }

    .logo-img {
      width: 28px;
      height: 28px;
    }

    .brand h1 {
      margin: 0;
      font-size: 18px;
      letter-spacing: 0.5px;
      font-weight: 600;
      color: #ffffff !important; /* Slightly brighter for better visibility with reduced header opacity */
    }

    .controls {
      display: flex;
      align-items: center;
      gap: 16px;
      flex-wrap: wrap;
    }

    .control-group {
      display: flex;
      align-items: center;
      gap: 6px;
      padding: 4px 8px;
      border-radius: 12px;
      background: rgba(25, 34, 68, 0.4);
      border: 1px solid rgba(42, 52, 85, 0.5);
    }

    .control-group.file-operations {
      /* File operations group styling */
    }

    .control-group.app-controls {
      /* App controls group styling */
    }

    button {
      border: 1px solid var(--hover);
      background: var(--muted);
      color: var(--text);
      padding: 8px 14px;
      border-radius: 12px;
      cursor: pointer;
      box-shadow: var(--shadow);
      font-size: 14px;
      font-weight: 500;
      transition: all 0.2s ease;
      display: inline-block;
    }

    button:hover {
      filter: brightness(1.15);
      background: var(--hover);
    }

    /* Light theme button adjustments - keep darker styling for better contrast */
    :root[data-theme="light"] button {
      background: #2c3e50;
      border: 1px solid #34495e;
      color: #f5f5f5;
    }

    :root[data-theme="light"] button:hover {
      background: #34495e;
      border-color: var(--accent);
    }

    :root[data-theme="light"] button:disabled {
      background: #95a5a6;
      border-color: #bdc3c7;
      color: #ecf0f1;
    }

    /* Special accent buttons in light mode */
    :root[data-theme="light"] #add-root-label {
      background: var(--accent) !important;
      border-color: var(--accent) !important;
      color: white !important;
    }

    :root[data-theme="light"] #add-root-label:hover {
      background: #1557b8 !important;
      border-color: #1557b8 !important;
      color: white !important;
    }

    :root[data-theme="light"] .apply-btn,
    :root[data-theme="light"] .apply-all-btn {
      background: var(--accent-2) !important;
      border-color: var(--accent-2) !important;
      color: white !important;
    }

    :root[data-theme="light"] .apply-btn:hover,
    :root[data-theme="light"] .apply-all-btn:hover {
      background: #0f5f26 !important;
      border-color: #0f5f26 !important;
      color: white !important;
    }

    /* Save buttons in forms and inline editors */
    :root[data-theme="light"] .save-btn,
    :root[data-theme="light"] .save-btn.green {
      background: var(--accent-2) !important;
      border-color: var(--accent-2) !important;
      color: white !important;
    }

    :root[data-theme="light"] .save-btn:hover,
    :root[data-theme="light"] .save-btn.green:hover {
      background: #0f5f26 !important;
      border-color: #0f5f26 !important;
      color: white !important;
    }

    /* Ensure all action buttons with colored backgrounds have white text */
    :root[data-theme="light"] button[style*="background"] {
      color: white !important;
    }

    /* Tree action buttons - keep original colors but ensure proper text contrast */
    :root[data-theme="light"] .tree-action-btn.add:hover,
    :root[data-theme="light"] .tree-action-btn.edit:hover,
    :root[data-theme="light"] .tree-action-btn.delete:hover {
      color: white !important;
    }

    /* Inline editor buttons (including "Add option" for dropdowns) */
    :root[data-theme="light"] .inline-editor button {
      color: white !important;
    }

    /* Additional safety for any missed buttons in forms/modals */
    :root[data-theme="light"] .param-form button,
    :root[data-theme="light"] .dropdown-section button {
      color: white !important;
    }

    /* Clear button needs better contrast in light mode */
    :root[data-theme="light"] .clear-btn,
    :root[data-theme="light"] #clear-all,
    :root[data-theme="light"] #clear-advanced-labels {
      background: #e74c3c !important;
      border-color: #e74c3c !important;
      color: white !important;
    }

    :root[data-theme="light"] .clear-btn:hover,
    :root[data-theme="light"] #clear-all:hover,
    :root[data-theme="light"] #clear-advanced-labels:hover {
      background: #c0392b !important;
      border-color: #c0392b !important;
    }

    /* Keep original colors for tree action buttons in light mode */
    :root[data-theme="light"] .tree-action-btn.add {
      background: var(--accent-2) !important;
      color: white !important;
      border: none !important;
    }

    :root[data-theme="light"] .tree-action-btn.edit {
      background: var(--warning) !important;
      color: black !important;
      border: none !important;
    }

    :root[data-theme="light"] .tree-action-btn.delete {
      background: var(--danger) !important;
      color: white !important;
      border: none !important;
    }

    /* Save active button in light mode - override the edit button color */
    :root[data-theme="light"] .tree-action-btn.edit.save-active {
      background: var(--accent-2) !important;
      color: white !important;
      border: none !important;
    }

    /* Header buttons always use dark theme styling */
    .app-header button {
      background: #152043 !important;
      border: 1px solid #1e2a49 !important;
      color: #e7ecff !important;
    }

    .app-header button:hover {
      background: #1e2a49 !important;
      border-color: #6aa3ff !important;
    }

    .app-header .settings-btn {
      background: #6aa3ff !important;
      border: 1px solid #6aa3ff !important;
    }

    .app-header .settings-btn:hover {
      background: #20c997 !important;
      border-color: #20c997 !important;
    }

    button:disabled {
      opacity: 0.5;
      cursor: not-allowed;
      filter: none;
    }

    /* Settings Button */
    .settings-btn {
      background: var(--accent) !important;
      border: 1px solid var(--accent) !important;
      padding: 6px 10px !important;
    }

    .settings-btn:hover {
      background: var(--accent-2) !important;
      border-color: var(--accent-2) !important;
    }

    /* Full Screen Button */
    .fullscreen-btn {
      background: var(--card) !important;
      border: 1px solid var(--border) !important;
      padding: 6px 10px !important;
      cursor: pointer !important;
      transition: all 0.2s ease !important;
      display: flex;
      align-items: center;
      justify-content: center;
    }

    .fullscreen-btn:hover {
      background: var(--hover) !important;
      border-color: var(--accent) !important;
    }

    /* Download and Save As Buttons */
    #download-html,
    #save-as {
      padding: 6px 10px !important;
      display: flex;
      align-items: center;
      justify-content: center;
    }

    /* Documentation Button */
    .docs-btn {
      padding: 6px 10px !important;
      display: flex;
      align-items: center;
      justify-content: center;
    }

    /* Settings Button */
    .settings-btn {
      padding: 6px 10px !important;
      display: flex;
      align-items: center;
      justify-content: center;
    }

    .fullscreen-icon {
      width: 16px;
      height: 16px;
      display: block;
      filter: brightness(0) invert(1);
    }

    .download-icon,
    .save-as-icon {
      width: 16px;
      height: 16px;
      display: block;
      filter: brightness(0) invert(1);
    }

    .auto-save-icon {
      width: 16px;
      height: 16px;
      display: block;
      filter: brightness(0) invert(1);
    }

    .docs-icon {
      width: 16px;
      height: 16px;
      display: block;
      filter: brightness(0) invert(1);
    }

    .settings-icon {
      width: 16px;
      height: 16px;
      display: block;
      filter: brightness(0) invert(1);
    }

    /* Auto-Save Button */
    .auto-save-btn {
      background: var(--danger) !important;
      border: 1px solid var(--danger) !important;
      padding: 6px 10px !important;
      font-size: 13px !important;
      font-weight: 500 !important;
      transition: all 0.2s ease !important;
      color: white !important;
      cursor: pointer !important;
      display: flex;
      align-items: center;
      justify-content: center;
    }

    .auto-save-btn:hover {
      filter: brightness(1.2) !important;
      transform: translateY(-1px);
      box-shadow: 0 4px 12px rgba(255, 107, 107, 0.3) !important;
    }

    .auto-save-btn.active {
      background: var(--accent-2) !important;
      border: 1px solid var(--accent-2) !important;
      color: white !important;
      animation: pulse-green 2s ease-in-out infinite;
    }

    .auto-save-btn.active:hover {
      filter: brightness(1.15) !important;
      box-shadow: 0 4px 12px rgba(32, 201, 151, 0.3) !important;
    }

    @keyframes pulse-green {
      0%, 100% {
        opacity: 1;
        box-shadow: 0 0 0 0 rgba(32, 201, 151, 0.4);
      }
      50% {
        opacity: 0.95;
        box-shadow: 0 0 0 4px rgba(32, 201, 151, 0.1);
      }
    }

    /* Light theme adjustments for auto-save button */
    :root[data-theme="light"] .auto-save-btn {
      background: var(--danger) !important;
      border-color: var(--danger) !important;
      color: white !important;
    }

    :root[data-theme="light"] .auto-save-btn:hover {
      filter: brightness(0.9) !important;
    }

    :root[data-theme="light"] .auto-save-btn.active {
      background: var(--accent-2) !important;
      border-color: var(--accent-2) !important;
      color: white !important;
    }

    :root[data-theme="light"] .auto-save-btn.active:hover {
      filter: brightness(0.85) !important;
    }

    /* Statistics and Upload Buttons - Styles moved to shared/statistics.css */

    /* Statistics Overlay - Styles moved to shared/statistics.css */

    /* Text Contrast Control - Apply to text elements */
    .tree-label, .tree-param-value, .card-header .filename, 
    .empty-state p, .stat-label, .no-labels, .html-content,
    .source-view, .context-menu h4, .param-menu h4 {
      color: rgba(var(--text-rgb), var(--contrast-opacity)) !important;
    }

    /* Maintain full opacity for interactive elements */
    button, input, select, textarea, .stat-number,
    .accent-text, .tree-action-btn, .settings-header h3 {
      color: var(--text) !important;
    }

    .file-input {
      position: relative;
    }

    .file-input input {
      position: absolute;
      inset: 0;
      opacity: 0;
      cursor: pointer;
    }

    .file-input button {
      /* Ensure file input button has same styling as other buttons */
      border: 1px solid var(--hover);
      background: var(--muted);
      color: var(--text);
      padding: 10px 16px;
      border-radius: 12px;
      cursor: pointer;
      box-shadow: var(--shadow);
      font-size: 14px;
      font-weight: 500;
      transition: all 0.2s ease;
    }

    .layout {
      padding: 20px;
      display: grid;
      grid-template-columns: 2fr 1fr;
      gap: 20px;
      min-height: calc(100vh - 70px);
      align-items: start;
    }

    .cards {
      display: flex;
      flex-direction: column;
      gap: 20px;
    }

    .card {
      background: linear-gradient(180deg, var(--card), var(--card-2));
      border: 1px solid var(--border);
      border-radius: 16px;
      box-shadow: var(--shadow);
      display: flex;
      flex-direction: column;
      overflow: hidden;
    }

    .card-header {
      display: flex;
      align-items: center;
      justify-content: space-between;
      padding: 16px 20px;
      border-bottom: 1px solid var(--border);
      background: rgba(255,255,255,.03);
    }

    /* Special styling for card header with tab menu */
    .card-header:has(.tab-menu) {
      padding: 0;
      border-bottom: none;
      align-items: stretch;
    }

    .card-header:has(.tab-menu) .title {
      width: 100%;
      display: flex;
      flex-direction: column;
    }

    .card-header .title {
      display: flex;
      flex-direction: column;
      gap: 4px;
    }

    .card-header .title h2 {
      margin: 0;
      font-size: 16px;
      font-weight: 600;
    }

    .card-header .filename {
      color: var(--sub);
      font-size: 13px;
    }

    /* Tab Menu Styles - Modern GitHub-inspired design */
    .tab-menu {
      display: flex;
      width: 100%;
      border-bottom: 1px solid var(--border);
      margin: 0;
      padding: 0;
      gap: 0;
    }

    /* Light theme - more subtle border */
    :root[data-theme="light"] .tab-menu {
      border-bottom: 1px solid rgba(208, 215, 222, 0.5);
    }

    .tab-btn {
      flex: 1;
      padding: 12px 16px;
      border: none !important;
      background: transparent;
      color: var(--sub);
      cursor: pointer;
      font-size: 14px;
      font-weight: 500;
      border-bottom: 2px solid transparent !important;
      transition: all 0.15s ease;
      position: relative;
      box-shadow: none !important;
      border-radius: 0 !important;
    }

    .tab-btn:hover {
      background: rgba(255, 255, 255, 0.05);
      color: var(--text);
      border-bottom-color: var(--border) !important;
      border: none !important;
      border-bottom: 2px solid var(--border) !important;
    }

    .tab-btn.active {
      background: transparent;
      color: var(--accent);
      border-bottom-color: var(--accent) !important;
      border: none !important;
      border-bottom: 2px solid var(--accent) !important;
      font-weight: 600;
    }

    .tab-btn.active::after {
      content: '';
      position: absolute;
      bottom: -1px;
      left: 0;
      right: 0;
      height: 2px;
      background: var(--accent);
      border-radius: 2px 2px 0 0;
    }

    /* Light theme tab buttons */
    :root[data-theme="light"] .tab-btn {
      background: transparent !important;
      color: var(--sub);
      border: none !important;
      border-bottom: 2px solid transparent !important;
    }

    :root[data-theme="light"] .tab-btn:hover {
      background: rgba(0, 0, 0, 0.04) !important;
      color: var(--text);
      border: none !important;
      border-bottom: 2px solid transparent !important;
    }

    :root[data-theme="light"] .tab-btn.active {
      background: transparent !important;
      color: var(--accent);
      border: none !important;
      border-bottom: 2px solid var(--accent) !important;
    }

    :root[data-theme="light"] .tab-btn.active::after {
      background: var(--accent);
    }

    /* Tab Content Styles */
    .tab-content {
      display: none;
    }

    .tab-content.active {
      display: flex;
      flex-direction: column;
      gap: 16px;
    }

    /* Co-reference tab uses flex to fill available height */
    #tab-coref.tab-content.active {
      display: flex;
      flex-direction: column;
      flex: 1;
      min-height: 0;
      gap: 0;
    }

    .card-body {
      padding: 20px;
      display: flex;
      flex-direction: column;
      gap: 16px;
      max-height: calc(100vh - 180px);
      overflow-y: auto;
      min-width: 0;
    }

    /* HTML Display */
    .html-content {
    max-width: 100% !important;
    max-height: calc(100vh - 260px);
    overflow-x: auto;
    overflow-y: auto;
    padding: 16px;
    border: 1px solid var(--border);
    border-radius: 12px;
    background: var(--bg);
    line-height: 1.8;
    user-select: text;
    cursor: text;
    transition: background 0.3s ease;
  }

    /* Constrain all elements within html-content to prevent overflow */
    .html-content * {
      max-width: 100%;
      box-sizing: border-box;
      overflow-wrap: break-word;
      word-break: break-word;
    }

    /* Light theme HTML content */
    :root[data-theme="light"] .html-content {
      background: var(--html-content-bg, #ffffff);
      border: 1px solid var(--border);
    }

    .empty-state {
      text-align: center;
      color: var(--sub);
      padding: 60px 20px;
    }

    .empty-state h3 {
      margin-bottom: 10px;
      color: var(--text);
      font-weight: 500;
    }

    /* Label Manager */
    .label-creation-section {
      margin-bottom: 20px;
      padding-bottom: 16px;
      border-bottom: 1px solid var(--border);
    }

    .label-input-row {
      display: grid;
      grid-template-columns: 1fr auto auto;
      gap: 12px;
      align-items: center;
    }

    .label-input-row input[type="text"] {
      background: var(--card);
      color: var(--text);
      border: 1px solid var(--border);
      padding: 10px 12px;
      border-radius: 8px;
      font-size: 14px;
      width: 100%;
      transition: background 0.3s ease, border-color 0.3s ease;
    }

    .label-input-row input[type="text"]:focus {
      outline: none;
      border-color: var(--accent);
      box-shadow: 0 0 0 2px rgba(106, 163, 255, 0.2);
    }

    /* Light theme input adjustments */
    :root[data-theme="light"] .label-input-row input[type="text"] {
      background: var(--html-content-bg, #ffffff);
      border: 1px solid var(--border);
      color: var(--text);
    }

    .label-input-row input[type="color"] {
      width: 44px;
      height: 44px;
      padding: 2px;
      cursor: pointer;
      border: 1px solid var(--hover);
      border-radius: 8px;
      background: transparent;
    }

    /* Advanced Option */
    .advanced-content {
      background: var(--card);
      color: var(--text);
      border: 1px solid var(--border);
      padding: 12px;
      border-radius: 8px;
      font-size: 14px;
      width: 100%;
      resize: vertical;
      min-height: 25px;
      font-family: inherit;
      line-height: 1.5;
      transition: background 0.3s ease, border-color 0.3s ease;
    }

    .advanced-content:focus {
      outline: none;
      border-color: var(--accent);
      box-shadow: 0 0 0 2px rgba(106, 163, 255, 0.2);
    }

    /* Light theme advanced content */
    :root[data-theme="light"] .advanced-content {
      background: var(--html-content-bg, #ffffff);
      border: 1px solid var(--border);
      color: var(--text);
    }

    .advanced-content:empty:before {
      content: attr(placeholder);
      color: var(--text-muted);
      pointer-events: none;
    }


    /* Tool Help Toggle Button */
    .tool-help-toggle {
      width: 100%;
      display: flex;
      align-items: center;
      gap: 8px;
      padding: 10px 12px;
      margin-bottom: 12px;
      background: var(--muted);
      border: 1px solid var(--border);
      border-radius: 6px;
      color: var(--sub);
      font-size: 13px;
      font-weight: 500;
      cursor: pointer;
      transition: all 0.2s ease;
    }

    .tool-help-toggle:hover {
      background: var(--hover);
      color: var(--text);
    }

    .tool-help-toggle .toggle-icon {
      transition: transform 0.2s ease;
      font-size: 10px;
    }

    .tool-help-toggle.expanded .toggle-icon {
      transform: rotate(180deg);
    }

    /* Light theme tool help toggle - better contrast */
    :root[data-theme="light"] .tool-help-toggle {
      background: #f7fafc;
      border: 1px solid #cbd5e0;
      color: #4a5568;
    }

    :root[data-theme="light"] .tool-help-toggle:hover {
      background: #edf2f7;
      color: #1a202c;
      border-color: #a0aec0;
    }

    /* Tool Descriptions Wrapper */
    .tool-descriptions-wrapper {
      max-height: 500px;
      overflow: hidden;
      transition: max-height 0.3s ease, margin-bottom 0.3s ease;
      margin-bottom: 20px;
    }

    .tool-descriptions-wrapper.collapsed {
      max-height: 0;
      margin-bottom: 0;
    }

    /* Tool Description Sections */
    .tool-description {
      margin-bottom: 16px;
      padding: 16px;
      background: var(--card-2);
      border-radius: 8px;
      border-left: 3px solid var(--accent);
    }

    .tool-description:last-child {
      margin-bottom: 0;
    }

    .tool-description h3 {
      font-size: 15px;
      font-weight: 600;
      color: var(--accent);
      margin-bottom: 8px;
    }

    .tool-description p {
      font-size: 13px;
      color: var(--sub);
      line-height: 1.6;
      margin: 0;
    }

    .tool-description kbd {
      display: inline-block;
      padding: 2px 6px;
      font-size: 12px;
      font-family: 'Courier New', monospace;
      background: var(--muted);
      border: 1px solid var(--border);
      border-radius: 4px;
      color: var(--text);
      font-weight: 600;
    }

    /* Wrap editor + nav buttons side by side */
    .advanced-wrapper {
      display: flex;
      align-items: center;  /* align tops together */
      gap: 5px;                /* small spacing between content and arrows */
    }

    /* Navigation buttons: stacked vertically */
    .advanced-nav-buttons {
      display: flex;
      flex-direction: row;  /* stack ↑ and ↓ */
      align-items: center;
      justify-content: center;
    }


    .nav-btn {
      background: transparent;
      border: none;        /* no border */
      padding: 3px;        /* smaller padding */
      font-size: 20px;     /* a bit larger to make arrows visible */
      line-height: 1;
      color: rgba(254, 255, 255, 0.5);;
      cursor: pointer;
      transition: color 0.2s;

    }

    .nav-btn:hover {
      color: var(--accent);   /* highlight only arrow on hover */
    }

    /* Light theme navigation buttons - more grey, less dark */
    :root[data-theme="light"] .nav-btn {
      color: #8a8a8a !important; /* Light grey instead of dark */
    }

    :root[data-theme="light"] .nav-btn:hover {
      color: var(--accent) !important; /* Keep the accent color on hover */
    }

    /* Tree Structure */
    .label-tree {
      margin-top: 16px;
      max-height: calc(100vh - 350px);
      overflow-y: auto;
    }

    .tree-node {
      margin-bottom: 2px;
      width: 100%;
      min-width: 0;
    }

    .tree-item {
      display: flex;
      align-items: center;
      padding: 8px 12px;
      border-radius: 8px;
      cursor: pointer;
      /*transition: background-color 0.2s ease;*/
      position: relative;
      min-height: 36px;
      width: 100%;
      box-sizing: border-box;
    }

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

    /*.tree-item.selected {
      background-color: var(--accent);
      color: white;
    }*/

    .tree-item.level-0 { padding-left: 12px; }
    .tree-item.level-1 { padding-left: 32px; }
    .tree-item.level-2 { padding-left: 52px; }
    .tree-item.level-3 { padding-left: 72px; }

    .tree-expand-btn {
      width: 18px;
      height: 18px;
      border: none;
      background: none;
      color: var(--sub);
      cursor: pointer;
      display: flex;
      align-items: center;
      justify-content: center;
      margin-right: 8px;
      font-size: 12px;
      padding: 0;
      border-radius: 4px;
      flex-shrink: 0;
    }

    .tree-expand-btn:hover {
      background-color: var(--hover);
      color: var(--text);
    }

    /* Light theme expand buttons - more grey, less dark */
    :root[data-theme="light"] .tree-expand-btn {
      color: #8a8a8a !important; /* Light grey instead of dark */
    }

    :root[data-theme="light"] .tree-expand-btn:hover {
      background-color: var(--hover) !important;
      color: #666666 !important; /* Darker grey on hover */
    }

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

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

    .tree-expand-btn.no-children {
      visibility: hidden;
    }

    .tree-icon {
      width: 18px;
      height: 18px;
      margin-right: 10px;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 14px;
    }

    .tree-icon.folder {
      color: var(--warning);
    }

    .tree-icon.folder::before {
      content: '◉';
    }

    .tree-icon.file::before {
      content: '◯';
      color: var(--sub);
    }

    .tree-icon.param::before {
      content: '◦';
      color: var(--accent);
      font-size: 12px;
    }

    .tree-label {
      flex: 1;
      font-size: 14px;
      font-weight: 500;
      word-break: break-word;
      overflow-wrap: break-word;
      min-width: 0;
    }

    .tree-actions {
      display: flex;
      gap: 6px;
      opacity: 0;
      /*transition: opacity 0.2s ease;*/
    }

    .tree-item:hover .tree-actions {
      opacity: 1;
    }

    /* Keep actions visible when editing */
    .tree-item[data-editing="true"] .tree-actions {
      opacity: 1;
    }

    .tree-action-btn {
      width: 24px;
      height: 24px;
      border: none;
      border-radius: 6px;
      cursor: pointer;
      font-size: 12px;
      display: flex;
      align-items: center;
      justify-content: center;
      padding: 0;
      transition: all 0.2s ease;
    }

    .tree-action-btn.add {
      background: var(--accent-2);
      color: white;
    }

    .tree-action-btn.add::before {
      content: '+';
      font-weight: bold;
    }

    .tree-action-btn.delete {
      background: var(--danger);
      color: white;
    }

    .tree-action-btn.delete::before {
      content: '×';
      font-weight: bold;
    }

    .tree-action-btn.edit {
      background: var(--warning);
      color: black;
    }

    .tree-action-btn.edit::before {
      content: '⚙';
    }

    .tree-color-indicator {
      width: 12px;
      height: 12px;
      border-radius: 50%;
      margin-right: 8px;
      border: 1px solid var(--border);
      flex-shrink: 0;
      align-self: center;
    }

    .tree-param-value {
      font-size: 11px;
      color: var(--sub);
      margin-left: auto;
      margin-right: 8px;
      font-family: ui-monospace, SFMono-Regular, monospace;
      max-width: 200px;
      word-break: break-all;
      word-wrap: break-word;
      overflow-wrap: break-word;
      white-space: normal;
      line-height: 1.3;
    }

    /* Allow tree-param-value to expand when it contains input/select elements (edit mode) */
    .tree-param-value:has(input),
    .tree-param-value:has(select) {
      max-width: none;
      flex: 1;
      min-width: 0;
    }

    /* Ensure inputs and selects inside tree-param-value can grow */
    .tree-param-value input[type="text"],
    .tree-param-value select {
      width: 100%;
      min-width: 150px;
      max-width: 100%;
    }

    .tree-children {
      overflow: hidden;
      transition: max-height 0.3s ease;
    }

    .tree-children.collapsed {
      max-height: 0;
    }

    .tree-children.expanded {
      max-height: 5000px;
    }

    /* Style for groups containers (not sublabels containers) */
    .groups-container {
      margin-bottom: 10px; /* Add some spacing at bottom */
    }

    /* Ensure sublabels containers don't have max-height restrictions */
    .label-group-node > .tree-children:not(.groups-container).expanded {
      max-height: none;
      overflow: visible;
    }

    /* Gold parameter styling (Group ID) */
    .tree-item.param-gold,
    .tree-item.param-gold .tree-label {
      color: #FFD700 !important;
      font-weight: 600;
    }

    /* Light theme gold parameter - more readable */
    :root[data-theme="light"] .tree-item.param-gold,
    :root[data-theme="light"] .tree-item.param-gold .tree-label {
      color: #B8860B !important; /* Dark goldenrod - much more readable on light backgrounds */
    }

    /* Gold parameter icon (circle) styling */
    .tree-icon.param-gold::before {
      content: '◦';
      color: #FFD700;
      font-size: 12px;
    }

    :root[data-theme="light"] .tree-icon.param-gold::before {
      color: #B8860B; /* Match the text color in light mode */
    }




/* Silver parameter styling (Group Attributes) */
.tree-item.param-silver,
.tree-item.param-silver .tree-label {
  color: #C0C0C0 !important;
  font-weight: 500;
}

/* Light theme silver parameter - more readable */
:root[data-theme="light"] .tree-item.param-silver,
:root[data-theme="light"] .tree-item.param-silver .tree-label {
  color: #808080 !important; /* Darker grey for light mode readability */
}

/* Silver parameter icon (circle) styling */
.tree-icon.param-silver::before {
  content: '◦';
  color: #C0C0C0;
  font-size: 12px;
}

:root[data-theme="light"] .tree-icon.param-silver::before {
  color: #808080; /* Match the text color in light mode */
}

/* Group section styling in forms */
.group-section.gold-section {
  background: linear-gradient(90deg, rgba(255, 215, 0, 0.1), rgba(255, 215, 0, 0.05));
  border: 1px solid #FFD700;
  border-radius: 6px;
  padding: 6px;
  margin: 4px 0;
}

.group-section.gold-section label {
  color: #B8860B;
  font-weight: 600;
}

/* Light theme gold section - even more readable */
:root[data-theme="light"] .group-section.gold-section label {
  color: #8B4513 !important; /* Saddle brown - very readable on light backgrounds */
}

.group-section.silver-section {
  background: linear-gradient(90deg, rgba(192, 192, 192, 0.1), rgba(192, 192, 192, 0.05));
  border: 1px solid #C0C0C0;
  border-radius: 6px;
  padding: 6px;
  margin: 4x 0;
}

.group-section.silver-section label {
  color: #708090;
  font-weight: 500;
}

.group-section {
  display: flex;
  align-items: center;
  gap: 10px;
}

.group-section.hidden {
  display: none;
}

.group-section input[type="checkbox"] {
  width: 16px;
  height: 16px;
  margin: 0;
}

.group-section label {
  font-size: 13px;
  margin: 0;
  cursor: pointer;
}

    /* Context Menu */
    .context-menu {
      position: fixed;
      background: var(--card);
      border: 1px solid var(--border);
      border-radius: 12px;
      box-shadow: var(--shadow);
      padding: 8px;
      z-index: 1000;
      min-width: 200px;
      animation: fadeIn 0.15s ease-out;
    }

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

    .context-menu.hidden {
      display: none;
    }

    .context-menu h4 {
      color: var(--accent);
      font-size: 14px;
      margin-bottom: 12px;
      padding-bottom: 8px;
      border-bottom: 1px solid var(--border);
      font-weight: 600;
      cursor: grab;
      user-select: none;
      padding: 4px 0 8px 0;
      margin: -4px 0 12px 0;
      text-transform: none;
      letter-spacing: normal;
    }

    .context-menu h4:hover {
      cursor: grab;
    }

    .context-menu h4:active {
      cursor: grabbing;
    }

    .label-options {
      display: flex;
      flex-direction: column;
      gap: 4px;
    }

    .label-option {
      padding: 10px 12px;
      border: none;
      border-radius: 8px;
      cursor: pointer;
      font-size: 13px;
      text-align: left;
      transition: opacity 0.2s ease;
      font-weight: 500;
    }

    .label-option:hover {
      opacity: 0.8;
    }

    .no-labels {
      color: var(--sub);
      font-size: 13px;
      padding: 12px;
      text-align: center;
      font-style: italic;
    }

    /* Parameter Menu */
    .param-menu {
      position: fixed;
      background: var(--card);
      border: 1px solid var(--border);
      border-radius: 12px;
      box-shadow: var(--shadow);
      padding: 16px;
      z-index: 1001;
      min-width: 280px;
      max-width: 400px;
    }

    .param-menu.hidden {
      display: none;
    }

    .param-menu h4 {
      color: var(--accent);
      font-size: 14px;
      margin-bottom: 12px;
      padding-bottom: 8px;
      border-bottom: 1px solid var(--border);
      font-weight: 600;
      cursor: grab;
      user-select: none;
      padding: 4px 0 8px 0;
      margin: -4px 0 12px 0;
    }

    .param-menu h4:hover {
      cursor: grab;
    }

    .param-menu h4:active {
      cursor: grabbing;
    }

    /* Delete info text in parameter menu */
    .param-delete-info {
      display: block;
      margin: 12px 0;
      padding: 8px 12px;
      background: rgba(52, 152, 219, 0.1);
      color: var(--accent);
      border-left: 3px solid var(--accent);
      border-radius: 4px;
      font-size: 12px;
      font-weight: 500;
      text-align: left;
    }

    :root[data-theme="light"] .param-delete-info {
      background: rgba(52, 152, 219, 0.15);
      color: #2980b9;
      border-left-color: #2980b9;
    }

    .param-close-btn {
      position: absolute;
      top: 12px;
      right: 12px;
      background: none;
      border: none;
      color: var(--sub);
      font-size: 18px;
      font-weight: bold;
      cursor: pointer;
      width: 24px;
      height: 24px;
      display: flex;
      align-items: center;
      justify-content: center;
      border-radius: 4px;
      transition: all 0.2s ease;
    }

    .param-close-btn:hover {
      background: var(--hover);
      color: var(--text);
    }

    .param-close-btn:active {
      background: var(--danger);
      color: white;
    }

    /* Light theme parameter menu close button - more grey, less dark */
    :root[data-theme="light"] .param-close-btn {
      color: #8a8a8a !important; /* Light grey instead of dark */
    }

    :root[data-theme="light"] .param-close-btn:hover {
      background: var(--hover) !important;
      color: #666666 !important; /* Darker grey on hover */
    }

    :root[data-theme="light"] .param-close-btn:active {
      background: var(--danger) !important;
      color: white !important; /* Keep red active state */
    }

    .param-form {
      display: flex;
      flex-direction: column;
      gap: 12px;
    }

    .param-row {
      display: flex;
      align-items: center;
      gap: 12px;
    }

    .param-row label {
      min-width: 80px;
      font-size: 13px;
      color: var(--sub);
      font-weight: 500;
    }

    .param-row input {
      flex: 1;
      background: var(--bg);
      color: var(--text);
      border: 1px solid var(--hover);
      padding: 8px 10px;
      border-radius: 6px;
      font-size: 13px;
    }

    .param-row input:focus {
      outline: none;
      border-color: var(--accent);
      box-shadow: 0 0 0 2px rgba(106, 163, 255, 0.2);
    }

    .param-menu-actions {
      display: flex;
      gap: 8px;
      margin-top: 16px;
      padding-top: 12px;
      border-top: 1px solid var(--border);
    }

    .param-menu-actions button {
      flex: 1;
      padding: 8px 16px;
      font-size: 13px;
    }

    .param-menu-actions .save-btn {
      background: var(--accent-2);
    }

    .param-menu-actions .cancel-btn {
      background: var(--muted);
    }

    /* Light theme - make cancel button more visible */
    :root[data-theme="light"] .param-menu-actions .cancel-btn {
      background: #e8ecf0;
      color: #4a5568;
      border: 1px solid #cbd5e0;
    }

    :root[data-theme="light"] .param-menu-actions .cancel-btn:hover {
      background: #e2e8f0;
      color: #1a1a1a;
    }

    .param-row select {
      flex: 1;
      background: var(--bg);
      color: var(--text);
      border: 1px solid var(--hover);
      padding: 8px 10px;
      border-radius: 6px;
      font-size: 13px;
      cursor: pointer;
    }

    .param-row select:focus {
      outline: none;
      border-color: var(--accent);
      box-shadow: 0 0 0 2px rgba(106, 163, 255, 0.2);
    }

    /* Checkbox styling */
    .param-row input[type="checkbox"] {
      width: 16px;
      height: 16px;
      accent-color: var(--accent); /* modern browsers */
      cursor: pointer;
      border-radius: 4px;
    }

    .param-row input[type="checkbox"]:focus {
      outline: none;
      box-shadow: 0 0 0 2px rgba(106, 163, 255, 0.3);
    }


    /* Groups section styling - tree-like structure */
.groups-section {
  width: 100%;
  min-width: 0;
  display: flex;
  flex-direction: column;
  flex: 1;
  min-height: 0;
  overflow-y: auto;
}

.groups-section h3 {
  display: none;
}

.groups-list {
  width: 100%;
  min-width: 0;
  display: flex;
  flex-direction: column;
}

.no-groups {
  padding: 16px;
  text-align: center;
  color: var(--sub);
  font-size: 13px;
  font-style: italic;
}

/* Group labels list (top section with clickable label buttons) */
.group-labels-list {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding-bottom: 16px;
}

.group-label-btn {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 12px;
  background: var(--card-2);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text);
  font-size: 14px;
  cursor: pointer;
  transition: all 0.2s ease;
  width: 100%;
  text-align: left;
}

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

.group-label-btn.active {
  background: var(--accent);
  color: white;
  border-color: var(--accent);
}

.group-label-btn.active .group-count-badge {
  background: white !important;
  color: var(--accent) !important;
}

/* Light theme group label buttons */
:root[data-theme="light"] .group-label-btn {
  background: var(--html-content-bg, #ffffff);
  border: 1px solid var(--border);
}

:root[data-theme="light"] .group-label-btn:hover {
  background: var(--hover);
}

:root[data-theme="light"] .group-label-btn.active {
  background: var(--accent);
  color: white;
}

/* Separator line between labels and groups */
.groups-separator {
  height: 1px;
  background: var(--border);
  margin: 16px 0;
}

/* Selected label groups container (bottom section with scrollable groups) */
.selected-label-groups {
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding-right: 4px;
}



/* Group items use tree styling - no additional styling needed */

.group-attribute-item {
  /* Silver attribute styling for tree items */
  color: #C0C0C0;
}

/* Save button styling when in edit mode */
.tree-action-btn.save-active {
  background: var(--accent-2) !important;
  color: white !important;
  opacity: 1 !important;
  visibility: visible !important;
}

/* Group ID input styling */
.group-id-value input {
  background: var(--bg) !important;
  color: #FFD700 !important;
  border: 2px solid #FFD700 !important;
  font-weight: 600 !important;
}

/* Light theme group ID input - more readable */
:root[data-theme="light"] .group-id-value input {
  color: #B8860B !important; /* Dark goldenrod - much more readable */
  border: 2px solid #B8860B !important;
}

/* Group filter styles */
.group-filter-dimmed {
  opacity: 0.3 !important;
  transition: opacity 0.3s ease;
}

.group-filter-highlight {
  background-color: rgba(255, 215, 0, 0.35) !important;
  box-shadow: 0 0 0 3px rgba(255, 215, 0, 0.6) !important;
  outline: 2px solid rgba(255, 215, 0, 0.8) !important;
  outline-offset: -2px !important;
  transition: all 0.3s ease;
  position: relative !important;
  z-index: 10 !important;
}

.group-filtered-active {
  background-color: rgba(255, 215, 0, 0.1) !important;
  border-left: 3px solid #FFD700 !important;
}

/* Light theme group filter highlights - more readable */
:root[data-theme="light"] .group-filter-highlight {
  background-color: rgba(255, 215, 0, 0.40) !important;
  box-shadow: 0 0 0 3px rgba(184, 134, 11, 0.5) !important;
  outline: 2px solid rgba(184, 134, 11, 0.7) !important;
  outline-offset: -2px !important;
}

:root[data-theme="light"] .group-filtered-active {
  background-color: rgba(184, 134, 11, 0.08) !important;
  border-left: 3px solid #B8860B !important;
}

/* Make group items clickable */
.group-item {
  cursor: pointer;
  margin-bottom: 4px;
  border-radius: 8px;
}

.group-item:hover {
  background-color: rgba(255, 255, 255, 0.05);
}

/* Group header styling */
.group-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 12px;
  background: var(--card-2);
  border-bottom: 1px solid var(--border);
}

.group-title {
  font-size: 14px;
  font-weight: 600;
  color: var(--text);
  flex: 1;
  margin-right: 10px;
  word-break: break-word;
}

.modify-btn {
  padding: 4px 8px;
  font-size: 12px;
  background: var(--accent);
  color: white;
  border: none;
  border-radius: 4px;
  cursor: pointer;
  flex-shrink: 0;
}

.modify-btn:hover {
  background: var(--accent-2);
}

/* Group attributes container */
.group-attributes {
  padding: 8px 12px;
  background: var(--bg);
}

/* Individual group attribute styling */
.group-attribute {
  display: flex;
  margin-bottom: 6px;
  font-size: 13px;
  line-height: 1.4;
}

.group-attribute span:first-child {
  color: #C0C0C0;
  font-weight: 500;
  min-width: 80px;
  flex-shrink: 0;
  margin-right: 8px;
}

.group-attribute span:last-child {
  color: var(--text);
  flex: 1;
  word-break: break-all;
  word-wrap: break-word;
  overflow-wrap: break-word;
  hyphens: auto;
  max-width: 0; /* Force flex item to shrink */
}

/* Gold label styling in param menu */
.gold-label {
  color: #FFD700;
  font-weight: 600;
}

.gold-label::before {
  content: '◦ ';
  color: #FFD700;
}

/* Light theme gold label - more readable */
:root[data-theme="light"] .gold-label {
  color: #B8860B !important;
}

:root[data-theme="light"] .gold-label::before {
  color: #B8860B !important;
}







    /* Statistics */
    .stats-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 12px;
    }

    .stat-item {
      background: var(--card-2);
      padding: 16px;
      border-radius: 8px;
      text-align: center;
      border: 1px solid var(--border);
      transition: background 0.3s ease;
    }

    /* Light theme stat items */
    :root[data-theme="light"] .stat-item {
      background: var(--html-content-bg, #ffffff);
      border: 1px solid var(--border);
    }

    .stat-number {
      font-size: 20px;
      font-weight: bold;
      color: var(--accent);
      display: block;
    }

    .stat-label {
      font-size: 12px;
      color: var(--sub);
      margin-top: 4px;
      text-transform: uppercase;
      letter-spacing: 0.5px;
    }

    /* Verification Section */
    .verification-section {
      display: flex;
      flex-direction: column;
      gap: 16px;
    }

    .verification-explanation {
      background: var(--card-2);
      padding: 16px;
      border-radius: 8px;
      border: 1px solid var(--border);
    }

    .verification-explanation h3 {
      margin: 0 0 8px 0;
      color: var(--text);
      font-size: 16px;
    }

    .verification-explanation p {
      margin: 0 0 8px 0;
      color: var(--sub);
      font-size: 14px;
      line-height: 1.5;
    }

    .verification-explanation p:last-child {
      margin-bottom: 0;
    }

    .verification-controls {
      display: flex;
      gap: 8px;
      flex-wrap: wrap;
    }

    .verification-btn {
      flex: 1;
      min-width: 120px;
      padding: 10px 16px;
      background: var(--accent);
      color: var(--bg);
      border: none;
      border-radius: 6px;
      cursor: pointer;
      font-size: 14px;
      font-weight: 500;
      transition: all 0.2s ease;
    }

    .verification-btn:hover:not(:disabled) {
      transform: translateY(-1px);
      box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
    }

    .verification-btn:disabled {
      opacity: 0.5;
      cursor: not-allowed;
    }

    .verification-stats {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 12px;
    }

    /* Verification Bulk Actions */
    .verification-bulk-actions {
      display: flex;
      gap: 12px;
      margin-top: 16px;
      flex-wrap: wrap;
    }

    .bulk-action-btn {
      flex: 1;
      min-width: 200px;
      padding: 10px 16px !important;
      border-radius: 6px !important;
      cursor: pointer;
      font-size: 13px !important;
      font-weight: 500 !important;
      transition: all 0.2s ease;
      border: 1px solid var(--border);
      box-shadow: none !important;
    }

    .bulk-verify {
      background: #28a745 !important;
      color: white !important;
      border-color: #28a745 !important;
    }

    .bulk-verify:hover {
      background: #218838 !important;
      border-color: #1e7e34 !important;
      transform: translateY(-1px);
      box-shadow: 0 2px 8px rgba(40, 167, 69, 0.3) !important;
      filter: none !important;
    }

    .bulk-unverify {
      background: #dc3545 !important;
      color: white !important;
      border-color: #dc3545 !important;
    }

    .bulk-unverify:hover {
      background: #c82333 !important;
      border-color: #bd2130 !important;
      transform: translateY(-1px);
      box-shadow: 0 2px 8px rgba(220, 53, 69, 0.3) !important;
      filter: none !important;
    }

    /* Filter Menu Bar */
    .filter-menu-bar {
      display: flex;
      gap: 10px;
      margin-bottom: 16px;
      padding: 12px;
      background: var(--card-2);
      border-radius: 8px;
      border: 1px solid var(--border);
      flex-wrap: wrap;
      align-items: center;
    }

    .filter-menu-btn {
      display: flex;
      align-items: center;
      gap: 6px;
      padding: 8px 14px;
      background: var(--bg) !important;
      color: var(--text) !important;
      border: 1px solid var(--border) !important;
      border-radius: 6px;
      cursor: pointer;
      font-size: 13px;
      font-weight: 500;
      transition: all 0.2s ease;
      position: relative;
      box-shadow: none !important;
    }

    .filter-menu-btn:hover {
      background: var(--accent) !important;
      color: white !important;
      border-color: var(--accent) !important;
      transform: translateY(-1px);
      box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2) !important;
      filter: none !important;
    }

    .filter-btn-text {
      white-space: nowrap;
    }

    .filter-count {
      font-size: 11px;
      opacity: 0.7;
      font-weight: normal;
    }

    .filter-arrow {
      font-size: 10px;
      opacity: 0.7;
      transition: transform 0.2s ease;
    }

    /* Filter Dropdowns */
    .filter-dropdown {
      display: none;
      position: fixed;
      background: var(--card-2);
      border: 1px solid var(--border);
      border-radius: 8px;
      box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
      z-index: 1000;
      min-width: 200px;
      max-width: 300px;
      max-height: 400px;
      overflow-y: auto;
    }

    .filter-dropdown::-webkit-scrollbar {
      width: 8px;
    }

    .filter-dropdown::-webkit-scrollbar-track {
      background: var(--card);
      border-radius: 4px;
    }

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

    .filter-dropdown::-webkit-scrollbar-thumb:hover {
      background: var(--accent);
    }

    .filter-dropdown.active {
      display: block;
      animation: dropdownFadeIn 0.2s ease;
    }

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

    .filter-dropdown-content {
      padding: 8px;
      display: flex;
      flex-direction: column;
      gap: 4px;
    }

    .filter-checkbox {
      display: flex;
      align-items: center;
      gap: 8px;
      cursor: pointer;
      font-size: 13px;
      color: var(--text);
      padding: 8px 10px;
      border-radius: 4px;
      transition: all 0.2s ease;
    }

    .filter-checkbox:hover {
      background: var(--card);
    }

    .filter-checkbox input[type="checkbox"] {
      cursor: pointer;
      width: 16px;
      height: 16px;
      accent-color: var(--accent);
      flex-shrink: 0;
    }

    .filter-color-dot {
      display: inline-block;
      width: 12px;
      height: 12px;
      border-radius: 50%;
      flex-shrink: 0;
      border: 1px solid rgba(255, 255, 255, 0.2);
    }

    /* No Labels Message */
    .no-labels-message {
      background: var(--card-2);
      border-radius: 8px;
      padding: 32px;
      text-align: center;
      border: 1px solid var(--border);
      margin-top: 16px;
    }

    .no-labels-message h3 {
      margin: 0 0 8px 0;
      color: var(--text);
      font-size: 16px;
    }

    .no-labels-message p {
      margin: 0;
      color: var(--sub);
      font-size: 14px;
    }

    .verification-highlight {
      outline: 3px solid var(--accent);
      outline-offset: 2px;
      animation: pulse-outline 1s ease-in-out infinite;
    }

    @keyframes pulse-outline {
      0%, 100% {
        outline-color: var(--accent);
      }
      50% {
        outline-color: rgba(106, 163, 255, 0.5);
      }
    }

    /* Label Inspector Panel */
    .label-inspector {
      background: var(--card-2);
      border-radius: 8px;
      margin-bottom: 16px;
      border: 1px solid var(--border);
      overflow: hidden;
    }

    .inspector-header {
      padding: 12px 16px;
      display: flex;
      justify-content: space-between;
      align-items: center;
      font-weight: bold;
    }

    .header-title-container {
      display: flex;
      align-items: center;
      flex-wrap: wrap;
      gap: 4px;
    }

    .inspector-header h3 {
      margin: 0;
      font-size: 16px;
      display: inline;
    }

    .instance-count {
      font-size: 12px;
      opacity: 0.9;
      font-weight: normal;
    }

    .instance-navigation {
      padding: 12px 16px;
      display: flex;
      gap: 12px;
      align-items: center;
      background: var(--bg);
      border-top: 1px solid var(--border);
      border-bottom: 1px solid var(--border);
    }

    .instance-navigation button {
      padding: 6px 12px;
      background: var(--accent);
      color: white;
      border: none;
      border-radius: 4px;
      cursor: pointer;
      font-size: 12px;
      transition: all 0.2s ease;
    }

    .instance-navigation button:hover:not(:disabled) {
      transform: translateY(-1px);
      box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
    }

    .instance-navigation button:disabled {
      opacity: 0.5;
      cursor: not-allowed;
    }

    .instance-info {
     flex: 1;
      text-align: center;
      font-size: 13px;
      color: var(--sub);
    }

    .instance-details {
      padding: 16px;
    }

    .instance-details h4 {
      margin: 0 0 12px 0;
      font-size: 14px;
      color: var(--text);
      border-bottom: 1px solid var(--border);
      padding-bottom: 8px;
    }

    .verified-status {
      margin-top: 12px;
      padding: 8px 12px;
      background: var(--bg);
      border-radius: 4px;
      font-size: 13px;
    }

    .verified-badge {
      color: #4caf50;
      font-weight: bold;
      font-size: 12px;
    }

    .unverified-badge {
      color: #ff9800;
      font-weight: bold;
      font-size: 12px;
    }

    .inspector-header .verified-badge,
    .inspector-header .unverified-badge {
      opacity: 0.95;
      padding: 4px 8px;
      border-radius: 4px;
      background: rgba(0, 0, 0, 0.15);
      cursor: pointer;
      transition: all 0.2s ease;
      user-select: none;
    }

    .inspector-header .verified-badge:hover,
    .inspector-header .unverified-badge:hover {
      opacity: 1;
      transform: scale(1.05);
      background: rgba(0, 0, 0, 0.25);
    }

    .inspector-header .verified-badge:active,
    .inspector-header .unverified-badge:active {
      transform: scale(0.98);
    }

    .sublabels-section {
      padding: 16px;
      border-top: 1px solid var(--border);
      background: var(--bg);
    }

    .sublabels-section h4 {
      margin: 0 0 12px 0;
      font-size: 14px;
      color: var(--text);
    }

    .sublabel-item {
      padding: 8px 12px;
      margin-bottom: 8px;
      background: var(--card-2);
      border-radius: 4px;
      border-left: 3px solid transparent;
      display: flex;
      flex-direction: column;
      gap: 4px;
    }

    .sublabel-name {
      font-weight: 500;
      font-size: 13px;
    }

    .sublabel-count {
      font-size: 11px;
      color: var(--sub);
    }

    .sublabel-params {
      font-size: 11px;
      color: var(--sub);
      font-style: italic;
    }

    .gold-label {
      color: #ffd700 !important;
      font-weight: bold;
    }

    .silver-label {
      color: #c0c0c0 !important;
      font-weight: bold;
    }

    /* Nested Sublabels in Instance Details */
    .nested-sublabels {
      margin-top: 16px;
      padding-top: 16px;
      border-top: 1px solid var(--border);
    }

    .nested-sublabels h4 {
      margin: 0 0 12px 0;
      font-size: 14px;
      color: var(--text);
    }

    .nested-sublabel-section {
      padding: 12px;
      margin-bottom: 12px;
      background: var(--bg);
      border-radius: 4px;
      border-left: 3px solid transparent;
    }

    .nested-sublabel-header {
      font-weight: 600;
      font-size: 13px;
      margin-bottom: 8px;
      padding-bottom: 4px;
      border-bottom: 1px solid var(--border);
    }

    .sublabel-param-form {
      margin-top: 8px;
    }

    .sublabel-param-form .param-row {
      margin-bottom: 6px;
    }

    .sublabel-status-badge {
      margin-top: 8px;
      font-size: 12px;
      text-align: right;
    }

    /* Parent Labels Breakdown */
    .parent-labels-breakdown {
      margin-top: 16px;
      padding-top: 16px;
      border-top: 1px solid var(--border);
      max-height: calc(100vh - 450px);
      overflow-y: auto;
    }

    .stats-breakdown-title {
      font-size: 12px;
      color: var(--sub);
      text-transform: uppercase;
      letter-spacing: 0.5px;
      margin-bottom: 12px;
      font-weight: 600;
    }

    .parent-label-stat {
      display: flex;
      align-items: center;
      gap: 10px;
      padding: 8px 12px;
      background: var(--card-2);
      border-radius: 6px;
      margin-bottom: 6px;
      border: 1px solid var(--border);
      transition: all 0.2s ease;
    }

    .parent-label-stat:hover {
      background: var(--hover);
      transform: translateX(2px);
    }

    /* Light theme parent label stat */
    :root[data-theme="light"] .parent-label-stat {
      background: var(--html-content-bg, #ffffff);
      border: 1px solid var(--border);
    }

    :root[data-theme="light"] .parent-label-stat:hover {
      background: var(--hover);
    }

    .stat-color-indicator {
      width: 12px;
      height: 12px;
      border-radius: 3px;
      flex-shrink: 0;
      border: 1px solid var(--border);
    }

    .stat-label-name {
      flex: 1;
      font-size: 13px;
      font-weight: 500;
      color: var(--text);
    }

    .stat-count-badge {
      background: var(--accent);
      color: white;
      padding: 2px 8px;
      border-radius: 10px;
      font-size: 12px;
      font-weight: 600;
      min-width: 24px;
      text-align: center;
    }

    /* Manual Labels */
    manual_label, auto_label {
      position: relative;
      display: inline;
      padding: 0px 4px;
      border-radius: 4px;
      font-weight: 500;
      margin: 0 1px;
      cursor: pointer;
      transition: opacity 0.2s ease;
      border: 1px solid rgba(255, 255, 255, 0.1);
      line-height: 1.2;
    }

    manual_label:hover, auto_label:hover {
      opacity: 0.8;
    }

    manual_label .delete-btn, auto_label .delete-btn {
      position: absolute;
      top: -8px;
      right: -8px;
      background: var(--danger);
      color: white;
      border: none;
      border-radius: 50%;
      font-size: 10px;
      width: 16px;
      height: 16px;
      cursor: pointer;
      line-height: 14px;
      padding: 0;
      z-index: 10;
      font-weight: bold;
    }

    /* Light theme label delete buttons - more grey, less red */
    :root[data-theme="light"] manual_label .delete-btn, 
    :root[data-theme="light"] auto_label .delete-btn {
      background: #8a8a8a !important; /* Light grey instead of red */
      color: white !important;
      border: none !important;
    }

    :root[data-theme="light"] manual_label .delete-btn:hover, 
    :root[data-theme="light"] auto_label .delete-btn:hover {
      background: #e74c3c !important; /* Red on hover to indicate danger */
    }

    .inline-edit-input {
      background: var(--bg);
      color: var(--text);
      border: 1px solid var(--accent);
      padding: 2px 6px;
      border-radius: 4px;
      font-size: 12px;
      width: 100px;
    }

    @media (max-width: 1024px) {
      .layout {
        grid-template-columns: 1fr;
        gap: 16px;
      }
      
      .controls {
        flex-wrap: wrap;
        justify-content: center;
      }
    }

    .hidden {
      display: none !important;
    }

    /* Search Overlay System - Non-DOM highlighting like browser Ctrl+F */
    .search-overlay {
      position: absolute;
      pointer-events: none;
      z-index: 100;
      border-radius: 2px;
      transition: all 0.2s ease;
    }

    /* Make sure html-content container has relative positioning for overlays */
    .html-content {
      position: relative;
    }






.inline-editor {
  margin: 6px 12px 6px 0;
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 16px;
  background: var(--card-2);
  border: 1px solid var(--border);
  border-radius: 12px;
  box-shadow: var(--shadow);
  width: calc(100% - 12px);
  box-sizing: border-box;
}

.inline-editor input,
.inline-editor select {
  padding: 6px 10px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text);
  font-size: 14px;
  min-width: 120px;
}

.inline-editor input:focus,
.inline-editor select:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 6px var(--accent);
}

.inline-editor .save-btn {
  border: 1px solid var(--accent-2);
  background: var(--accent-2);
  color: #fff;
  padding: 6px 12px;
  border-radius: 8px;
  cursor: pointer;
  font-size: 14px;
  font-weight: 500;
  box-shadow: var(--shadow);
  transition: all 0.2s ease;
}

.inline-editor .save-btn:hover {
  filter: brightness(1.15);
  background: #1ea87d;
}

/* Inline editor sections */
.inline-editor-row {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.inline-editor-section {
  width: 100%;
  margin-bottom: 8px;
}

.inline-editor-section:last-child {
  margin-bottom: 0;
}

.inline-editor-label {
  display: block;
  font-size: 13px;
  color: var(--sub);
  font-weight: 500;
  margin-bottom: 6px;
}

/* Default value container - fixed positioning */
.default-value-container {
  width: 100%;
  min-height: 40px; /* Reserve space to prevent layout shifts */
}

/* Dropdown section - stable layout */
.dropdown-section {
  width: 100%;
  margin-top: 8px;
  padding: 12px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  transition: all 0.3s ease;
}

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

.dropdown-values {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-top: 8px;
}

.dropdown-values input {
  width: 100% !important;
  min-width: auto !important;
}

/* Button container - fixed at bottom */
.inline-editor-buttons {
  display: flex;
  gap: 8px;
  margin-top: 12px;
  padding-top: 12px;
  border-top: 1px solid var(--border);
  justify-content: flex-end;
}

.inline-editor .cancel-btn {
  border: 1px solid var(--border);
  background: var(--muted);
  color: var(--text);
  padding: 6px 12px;
  border-radius: 8px;
  cursor: pointer;
  font-size: 14px;
  font-weight: 500;
  transition: all 0.2s ease;
}

.inline-editor .cancel-btn:hover {
  background: var(--hover);
  border-color: var(--danger);
  color: var(--danger);
}



/* Suggestion Dropdown Styles (lighter + integrated look) */
.suggestion-dropdown {
  position: absolute;
  top: 100%;
  left: 33%;
  right: 0;
  background: var(--card);
  border: 1px solid var(--border);
  border-top: none;
  border-radius: 0 0 8px 8px;
  max-height: 150px;
  overflow-y: auto;
  z-index: 1002;
  box-shadow: var(--shadow);
  backdrop-filter: blur(8px);
}

.suggestion-item {
  padding: 5px;
  cursor: pointer;
  font-size: 12.5px;
  color: var(--text);
  transition: background-color 0.2s ease;
  border-bottom: 1px solid var(--border);
}

.suggestion-item:last-child {
  border-bottom: none;
}

.suggestion-item:hover,
.suggestion-item.highlighted {
  background-color: var(--hover);
}

.suggestion-item.highlighted {
  background: linear-gradient(90deg, var(--accent), rgba(106, 163, 255, 0.8));
  color: white;
}

/* Ensure input container has relative positioning for dropdown */
.param-row {
  position: relative;
}



/* Source View */
.source-view {
  display: none; /* toggled by your JS */
  height: calc(100vh - 40px - 200px); /* match .html-content */
  min-height: 300px; /* fallback to keep it usable */
  overflow-y: auto;
  padding: 16px;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: var(--bg);
  color: var(--text);
  font-family: 'Monaco', 'Menlo', 'Ubuntu Mono', monospace;
  font-size: 0.875rem;
  line-height: 1.6;
  white-space: pre;
  resize: vertical; /* let user resize if they want */
  outline: none;
  width: 100%;
  box-sizing: border-box;
  transition: background 0.3s ease;
}

/* Light theme source view */
:root[data-theme="light"] .source-view {
  background: var(--html-content-bg, #ffffff);
  color: var(--text);
}

/* Focus effect */
.source-view:focus {
  border-color: #6aa3ff;
  box-shadow: 0 0 0 2px rgba(106, 163, 255, 0.2);
}

.view-toggle {
  background: #6aa3ff;
  color: white;
  padding: 0.25rem 0.75rem;
  border-radius: 0.25rem;
  font-size: 0.75rem;
  border: none;
  cursor: pointer;
  transition: background-color 0.2s;
}

    .view-toggle:hover {
      background: #5a91e6;
    }

    .view-toggle.active {
      background: #4c7ce5;
    }

    /* Light theme view toggle button - better contrast */
    :root[data-theme="light"] .view-toggle {
      background: var(--accent) !important;
      color: white !important;
      border: 1px solid var(--accent) !important;
    }

    :root[data-theme="light"] .view-toggle:hover {
      background: #1557b8 !important;
      border-color: #1557b8 !important;
    }

    :root[data-theme="light"] .view-toggle.active {
      background: var(--accent-2) !important;
      border-color: var(--accent-2) !important;
      color: white !important;
    }

/* Card Header Controls */
.header-controls {
  display: flex;
  gap: 8px;
  align-items: center;
}

#upload-link {
  color: #007bff;
  text-decoration: underline;
  cursor: pointer;
}
#upload-link:hover {
  color: #0056b3;
}

/* Settings Modal Styles */
.settings-modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
}

.settings-modal.hidden {
  display: none;
}

.settings-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(4px);
}

.settings-content {
  position: relative;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 16px;
  box-shadow: var(--shadow);
  width: 90%;
  max-width: 500px;
  max-height: 80vh;
  overflow-y: auto;
  animation: modalSlideIn 0.3s ease-out;
}

@keyframes modalSlideIn {
  from { 
    opacity: 0; 
    transform: translateY(-30px) scale(0.95); 
  }
  to { 
    opacity: 1; 
    transform: translateY(0) scale(1); 
  }
}

.settings-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 24px;
  border-bottom: 1px solid var(--border);
  background: rgba(255,255,255,.03);
}

.settings-header h3 {
  margin: 0;
  font-size: 18px;
  font-weight: 600;
  color: var(--text);
}

.settings-close-btn {
  background: none !important;
  border: none !important;
  color: var(--sub) !important;
  font-size: 24px !important;
  font-weight: bold !important;
  cursor: pointer !important;
  width: 32px !important;
  height: 32px !important;
  display: flex !important;
  align-items: center !important;
  justify-content: center !important;
  border-radius: 8px !important;
  transition: all 0.2s ease !important;
  padding: 0 !important;
}

.settings-close-btn:hover {
  background: var(--hover) !important;
  color: var(--text) !important;
}

.settings-body {
  padding: 24px;
}

.setting-group {
  margin-bottom: 32px;
}

.setting-group:last-child {
  margin-bottom: 0;
}

.setting-group h4 {
  margin: 0 0 16px 0;
  font-size: 16px;
  font-weight: 600;
  color: var(--text);
}

/* Labeling & Time Settings - GitHub-style rows */
.settings-list {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.settings-row {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 24px;
  padding: 12px 0;
  border-top: 1px solid rgba(255, 255, 255, 0.04);
}

.settings-row:first-child {
  border-top: none;
  padding-top: 0;
}

.settings-row-main {
  flex: 1 1 auto;
  min-width: 0;
}

.settings-row-title {
  font-size: 14px;
  font-weight: 600;
  color: var(--text);
}

.settings-row-description {
  margin-top: 4px;
  font-size: 12px;
  color: var(--sub);
  max-width: 360px;
}

.settings-row-control {
  flex: 0 0 auto;
  min-width: 160px;
  display: flex;
  align-items: center;
  justify-content: flex-end;
}

.settings-row-control-inner {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.settings-row-control input[type="number"] {
  width: 96px;
  padding: 8px 10px;
  border-radius: 6px;
  border: 1px solid var(--border);
  background: var(--bg);
  color: var(--text);
  font-size: 13px;
}

.settings-row-control input[type="number"]:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 1px rgba(106, 163, 255, 0.4);
}

.settings-row-unit {
  font-size: 12px;
  color: var(--sub);
}

/* Verified setting helper text and pill */
.setting-helper-text {
  margin-top: 4px;
  font-size: 12px;
  color: var(--sub);
}

.status-pill {
  display: inline-flex;
  align-items: center;
  padding: 2px 8px;
  border-radius: 999px;
  font-size: 11px;
  font-weight: 600;
}

.status-verified {
  background: rgba(32, 201, 151, 0.1);
  color: #20c997;
}

.status-unverified {
  background: rgba(220, 53, 69, 0.1);
  color: #dc3545;
}

/* Toggle switch for "New labels verified by default" */
.settings-switch {
  position: relative;
  display: inline-block;
  width: 44px;
  height: 24px;
  cursor: pointer;
}

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

.settings-switch-slider {
  position: absolute;
  inset: 0;
  background: var(--muted);
  border-radius: 999px;
  border: 1px solid var(--border);
  transition: all 0.2s ease;
}

.settings-switch-slider:before {
  content: "";
  position: absolute;
  height: 18px;
  width: 18px;
  left: 3px;
  top: 50%;
  transform: translateY(-50%);
  border-radius: 50%;
  background: #ffffff;
  box-shadow: 0 2px 4px rgba(0,0,0,0.25);
  transition: all 0.2s ease;
}

.settings-switch input:checked + .settings-switch-slider {
  background: linear-gradient(135deg, var(--accent-2), var(--accent));
  border-color: transparent;
}

.settings-switch input:checked + .settings-switch-slider:before {
  transform: translate(16px, -50%);
}

/* Theme Toggle Styles */
.theme-toggle-container {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
}

.theme-toggle {
  position: relative;
  display: inline-block;
  width: 280px;
  height: 50px;
  cursor: pointer;
}

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

.theme-slider {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(90deg, #1a1a2e 0%, #16213e 100%);
  border: 2px solid var(--border);
  transition: all 0.4s;
  border-radius: 25px;
}

    .theme-slider:before {
      position: absolute;
      content: "";
      height: 38px;
      width: 80px;
      left: 4px;
      bottom: 4px;
      background: linear-gradient(135deg, #6aa3ff, #4c7ce5);
      transition: all 0.4s;
      border-radius: 19px;
      box-shadow: 0 2px 8px rgba(0,0,0,0.3);
    }.theme-toggle input:checked + .theme-slider {
  background: linear-gradient(90deg, #f0f4f8 0%, #ffffff 100%);
  border-color: #dadce0;
}

    .theme-toggle input:checked + .theme-slider:before {
      transform: translateX(188px);
      background: linear-gradient(135deg, #1a73e8, #137333);
    }.theme-labels {
  position: absolute;
  top: 50%;
  left: 0;
  right: 0;
  transform: translateY(-50%);
  display: flex;
  justify-content: space-between;
  padding: 0 20px;
  pointer-events: none;
}

.theme-label-dark, .theme-label-light {
  font-size: 14px;
  font-weight: 500;
  transition: all 0.4s;
}

.theme-icon {
  width: 0.9em;
  height: 0.9em;
  vertical-align: middle;
  margin-right: 0.3em;
}

.theme-label-dark {
  color: #e7ecff;
}

.theme-label-light {
  color: #5f6368;
}

.theme-toggle input:checked ~ .theme-labels .theme-label-dark {
  color: #9aa0a6;
}

.theme-toggle input:checked ~ .theme-labels .theme-label-light {
  color: #1a1a1a;
}

/* Contrast Slider Styles */
.contrast-container {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.contrast-container label {
  font-size: 14px;
  color: var(--sub);
  font-weight: 500;
}

/* Background Slider Styles */
.background-container {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.background-container label {
  font-size: 14px;
  color: var(--sub);
  font-weight: 500;
}

.slider-container {
  display: flex;
  align-items: center;
  gap: 16px;
}

.slider-label {
  font-size: 12px;
  color: var(--sub);
  font-weight: 500;
  min-width: 35px;
  text-align: center;
}

.contrast-slider {
  flex: 1;
  height: 6px;
  border-radius: 3px;
  background: var(--muted);
  outline: none;
  cursor: pointer;
  appearance: none;
}

.contrast-slider::-webkit-slider-thumb {
  appearance: none;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--accent);
  cursor: pointer;
  box-shadow: 0 2px 6px rgba(0,0,0,0.2);
  transition: all 0.2s ease;
}

.contrast-slider::-webkit-slider-thumb:hover {
  background: var(--accent-2);
  transform: scale(1.1);
}

.contrast-slider::-moz-range-thumb {
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--accent);
  cursor: pointer;
  border: none;
  box-shadow: 0 2px 6px rgba(0,0,0,0.2);
}

.contrast-preview {
  padding: 12px 16px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 14px;
  text-align: center;
  transition: all 0.2s ease;
}

.background-slider {
  flex: 1;
  height: 6px;
  border-radius: 3px;
  background: var(--muted);
  outline: none;
  cursor: pointer;
  appearance: none;
}

.background-slider::-webkit-slider-thumb {
  appearance: none;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--accent);
  cursor: pointer;
  box-shadow: 0 2px 6px rgba(0,0,0,0.2);
  transition: all 0.2s ease;
}

.background-slider::-webkit-slider-thumb:hover {
  background: var(--accent-2);
  transform: scale(1.1);
}

.background-slider::-moz-range-thumb {
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--accent);
  cursor: pointer;
  border: none;
  box-shadow: 0 2px 6px rgba(0,0,0,0.2);
}

.background-preview {
  padding: 12px 16px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 14px;
  text-align: center;
  transition: all 0.2s ease;
  color: var(--text);
}

/* Reset Button */
.reset-btn {
  background: var(--muted) !important;
  border: 1px solid var(--border) !important;
  color: var(--text) !important;
  padding: 10px 20px !important;
  border-radius: 8px !important;
  cursor: pointer !important;
  font-size: 14px !important;
  font-weight: 500 !important;
  transition: all 0.2s ease !important;
  width: 100% !important;
}

.reset-btn:hover {
  background: var(--hover) !important;
  border-color: var(--accent) !important;
}

/* ======= Delete Confirmation Dialog ======= */
.delete-confirmation-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.4);
  z-index: 10000;
  display: flex;
  align-items: flex-start;
  justify-content: center;
  padding-top: 10vh;
}

.delete-confirmation-dialog {
  background: #fff;
  border-radius: 8px;
  padding: 0;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
  max-width: 520px;
  width: 90%;
  border: 1px solid #d1d9e0;
  animation: slideDown 0.15s ease-out;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
}

@keyframes slideDown {
  from { 
    transform: translateY(-20px); 
    opacity: 0; 
  }
  to { 
    transform: translateY(0); 
    opacity: 1; 
  }
}

.delete-confirmation-header {
  background: #f6f8fa;
  border-bottom: 1px solid #d1d9e0;
  padding: 16px 24px;
  border-radius: 8px 8px 0 0;
}

.delete-confirmation-header h3 {
  color: #1f2328;
  margin: 0;
  font-size: 16px;
  font-weight: 600;
  line-height: 1.25;
}

.delete-confirmation-body {
  padding: 24px;
  color: #656d76;
  line-height: 1.5;
  font-size: 14px;
}

.delete-confirmation-body p:first-child {
  margin: 0 0 16px 0;
  color: #1f2328;
  font-weight: 500;
}

.delete-confirmation-body .warning-box {
  margin: 12px 0;
  padding: 12px;
  background: #fff8f2;
  border-left: 3px solid #fb8500;
  border-radius: 0 4px 4px 0;
}

.delete-confirmation-body .warning-box strong {
  color: #9a6700;
}

.delete-confirmation-body .danger-box {
  margin: 8px 0 0 0;
  padding: 8px 12px;
  background: #fff1f3;
  border-left: 3px solid #d1242f;
  border-radius: 0 4px 4px 0;
  font-size: 13px;
}

.delete-confirmation-body .info-box {
  margin: 8px 0 0 0;
  padding: 8px 12px;
  background: #f6f8fa;
  border-left: 3px solid #656d76;
  border-radius: 0 4px 4px 0;
  font-size: 13px;
}

.delete-confirmation-body .no-impact-box {
  margin: 12px 0;
  padding: 12px;
  background: #f6f8fa;
  border-left: 3px solid #656d76;
  border-radius: 0 4px 4px 0;
}

.delete-confirmation-body .cannot-undo {
  margin: 16px 0 0 0;
  font-size: 12px;
  color: #656d76;
}

.delete-confirmation-footer {
  background: #f6f8fa;
  border-top: 1px solid #d1d9e0;
  padding: 16px 24px;
  border-radius: 0 0 8px 8px;
  display: flex;
  gap: 8px;
  justify-content: flex-end;
}

.delete-confirmation-cancel-btn {
  padding: 5px 16px;
  border: 1px solid #d1d9e0;
  background: #f6f8fa;
  color: #24292f;
  border-radius: 6px;
  cursor: pointer;
  font-size: 14px;
  font-weight: 500;
  transition: all 0.15s ease;
  height: 32px;
  display: inline-flex;
  align-items: center;
}

.delete-confirmation-cancel-btn:hover {
  background: #f3f4f6;
  border-color: #afb8c1;
}

.delete-confirmation-delete-btn {
  padding: 5px 16px;
  border: 1px solid rgba(255, 255, 255, 0.25);
  background: #d1242f;
  color: white;
  border-radius: 6px;
  cursor: pointer;
  font-size: 14px;
  font-weight: 500;
  transition: all 0.15s ease;
  height: 32px;
  display: inline-flex;
  align-items: center;
}

.delete-confirmation-delete-btn:hover {
  background: #a40e26;
}

/* Dark Theme Styles (default - no attribute needed) */
:root .delete-confirmation-dialog {
  background: var(--card);
  color: var(--text);
  border-color: var(--border);
}

:root .delete-confirmation-header {
  background: var(--muted);
  border-color: var(--border);
}

:root .delete-confirmation-header h3 {
  color: var(--text);
}

:root .delete-confirmation-body {
  color: var(--sub);
}

:root .delete-confirmation-body p:first-child {
  color: var(--text);
}

:root .delete-confirmation-body .warning-box {
  background: rgba(251, 133, 0, 0.1);
  border-left-color: var(--warning);
}

:root .delete-confirmation-body .warning-box strong {
  color: var(--warning);
}

:root .delete-confirmation-body .danger-box {
  background: rgba(255, 107, 107, 0.1);
  border-left-color: var(--danger);
}

:root .delete-confirmation-body .info-box {
  background: var(--muted);
  border-left-color: var(--sub);
}

:root .delete-confirmation-body .no-impact-box {
  background: var(--muted);
  border-left-color: var(--sub);
}

:root .delete-confirmation-footer {
  background: var(--muted);
  border-color: var(--border);
}

:root .delete-confirmation-cancel-btn {
  background: var(--card);
  border-color: var(--border);
  color: var(--text);
}

:root .delete-confirmation-cancel-btn:hover {
  background: var(--hover);
  border-color: var(--accent);
}

/* Light Theme Overrides */
:root[data-theme="light"] .delete-confirmation-dialog {
  background: #fff;
  color: #1f2328;
  border-color: #d1d9e0;
}

:root[data-theme="light"] .delete-confirmation-header {
  background: #f6f8fa;
  border-color: #d1d9e0;
}

:root[data-theme="light"] .delete-confirmation-header h3 {
  color: #1f2328;
}

:root[data-theme="light"] .delete-confirmation-body {
  color: #656d76;
}

:root[data-theme="light"] .delete-confirmation-body p:first-child {
  color: #1f2328;
}

:root[data-theme="light"] .delete-confirmation-body .warning-box {
  background: #fff8f2;
  border-left-color: #fb8500;
}

:root[data-theme="light"] .delete-confirmation-body .warning-box strong {
  color: #9a6700;
}

:root[data-theme="light"] .delete-confirmation-body .danger-box {
  background: #fff1f3;
  border-left-color: #d1242f;
}

:root[data-theme="light"] .delete-confirmation-body .info-box {
  background: #f6f8fa;
  border-left-color: #656d76;
}

:root[data-theme="light"] .delete-confirmation-body .no-impact-box {
  background: #f6f8fa;
  border-left-color: #656d76;
}

:root[data-theme="light"] .delete-confirmation-footer {
  background: #f6f8fa;
  border-color: #d1d9e0;
}

:root[data-theme="light"] .delete-confirmation-cancel-btn {
  background: #6c757d;
  border-color: #6c757d;
  color: white;
}

:root[data-theme="light"] .delete-confirmation-cancel-btn:hover {
  background: #5a6268;
  border-color: #5a6268;
}

:root[data-theme="light"] .delete-confirmation-delete-btn {
  background: #d1242f;
  color: white;
  border-color: #d1242f;
}

:root[data-theme="light"] .delete-confirmation-delete-btn:hover {
  background: #a40e26;
  border-color: #a40e26;
}




/* ==============================================
   METADATA MODAL STYLES
   ============================================== */

/* Filename container - inline layout */
.filename-container {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

/* Info Button */
.meta-info-btn {
  background: var(--accent);
  color: white;
  border: none;
  padding: 0;
  border-radius: 50%;
  cursor: pointer;
  transition: all 0.2s ease;
  display: none;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 24px;
}

.meta-info-btn.visible {
  display: inline-flex;
}

.meta-info-btn .info-icon {
  width: 14px;
  height: 14px;
  display: block;
  filter: brightness(0) invert(1);
}

.meta-info-btn:hover:not(:disabled) {
  background: #5a8fff;
  transform: translateY(-1px);
  box-shadow: 0 2px 6px rgba(106, 163, 255, 0.3);
}

.meta-info-btn:active:not(:disabled) {
  transform: translateY(0);
}

.meta-info-btn:disabled {
  background: var(--hover);
  cursor: not-allowed;
  opacity: 0.5;
}

.meta-info-btn:disabled:hover {
  transform: none;
  box-shadow: none;
}

/* Metadata Overlay */
.meta-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(4px);
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  transition: opacity 0.4s ease;
}

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

/* Metadata Modal */
.meta-modal {
  background: linear-gradient(180deg, var(--card), var(--card-2));
  border: 1px solid var(--border);
  border-radius: 16px;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
  width: 90%;
  max-width: 500px;
  max-height: 85%;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  transform: scale(0.92) translateY(20px);
  transition: transform 0.4s cubic-bezier(0.34, 1.56, 0.64, 1), opacity 0.4s ease;
  opacity: 0;
}

.meta-overlay:not(.hidden) .meta-modal {
  transform: scale(1) translateY(0);
  opacity: 1;
}

/* Modal Header */
.meta-modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px;
  border-bottom: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.03);
}

.meta-modal-header h3 {
  margin: 0;
  font-size: 16px;
  font-weight: 600;
  color: var(--text);
}

.meta-header-buttons {
  display: flex;
  gap: 8px;
  align-items: center;
}

.meta-close-btn {
  background: none;
  border: none;
  color: var(--sub);
  font-size: 24px;
  cursor: pointer;
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 6px;
  transition: all 0.2s ease;
  padding: 0;
  line-height: 1;
}

.meta-close-btn:hover {
  background: rgba(255, 255, 255, 0.1);
  color: var(--text);
}

/* Modal Body */
.meta-modal-body {
  padding: 20px;
  overflow: hidden;
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

/* Metadata List */
.meta-list-container {
  max-height: 300px;
  min-height: 100px;
  overflow-y: auto;
  overflow-x: hidden;
  padding-right: 4px;
}

/* Scrollbar styling for metadata list */
.meta-list-container::-webkit-scrollbar {
  width: 6px;
}

.meta-list-container::-webkit-scrollbar-track {
  background: rgba(255, 255, 255, 0.03);
  border-radius: 3px;
}

.meta-list-container::-webkit-scrollbar-thumb {
  background: var(--border);
  border-radius: 3px;
  transition: background 0.2s ease;
}

.meta-list-container::-webkit-scrollbar-thumb:hover {
  background: var(--accent);
}

.meta-empty {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 30px 20px;
  color: var(--sub);
  text-align: center;
  font-size: 14px;
}

.meta-items {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

/* Compact metadata item - key and value on same line */
.meta-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 8px 12px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border);
  border-radius: 6px;
  transition: all 0.2s ease;
}

.meta-item:hover {
  background: rgba(255, 255, 255, 0.05);
  border-color: var(--accent);
}

.meta-key {
  font-weight: 600;
  color: var(--accent);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.3px;
  min-width: 80px;
  flex-shrink: 0;
}

.meta-value-input {
  flex: 1;
  padding: 6px 10px;
  background: var(--muted);
  border: 1px solid var(--border);
  border-radius: 4px;
  color: var(--text);
  font-size: 13px;
  transition: all 0.2s ease;
  font-family: 'Consolas', 'Monaco', monospace;
}

.meta-value-input:focus {
  outline: none;
  border-color: var(--accent);
  background: rgba(106, 163, 255, 0.08);
}

.meta-value-input[readonly] {
  opacity: 0.7;
  cursor: not-allowed;
  background: rgba(255, 255, 255, 0.02);
}

.meta-readonly-badge {
  font-size: 10px;
  background: var(--accent-2);
  color: white;
  padding: 2px 6px;
  border-radius: 3px;
  font-weight: 600;
  text-transform: uppercase;
  flex-shrink: 0;
}

.meta-delete-btn {
  background: none;
  border: none;
  color: var(--danger);
  font-size: 18px;
  cursor: pointer;
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 4px;
  transition: all 0.2s ease;
  padding: 0;
  line-height: 1;
  opacity: 0.6;
  flex-shrink: 0;
}

.meta-delete-btn:hover {
  background: rgba(255, 107, 107, 0.15);
  opacity: 1;
}

/* Add New Metadata Section - cleaner design */
.meta-add-section {
  border-top: 1px solid var(--border);
  padding-top: 16px;
}

.meta-add-section h4 {
  margin: 0 0 10px 0;
  font-size: 12px;
  font-weight: 600;
  color: var(--sub);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.meta-input-row {
  display: grid;
  grid-template-columns: 1fr 1.2fr auto;
  gap: 8px;
  align-items: center;
}

.meta-input-row input {
  padding: 8px 10px;
  background: var(--muted);
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--text);
  font-size: 13px;
  transition: all 0.2s ease;
}

.meta-input-row input:focus {
  outline: none;
  border-color: var(--accent);
  background: rgba(106, 163, 255, 0.08);
}

.meta-input-row input::placeholder {
  color: var(--sub);
  opacity: 0.6;
  font-size: 12px;
}

.meta-input-row button {
  padding: 8px 16px;
  background: var(--accent);
  border: none;
  border-radius: 6px;
  color: white;
  font-weight: 600;
  font-size: 13px;
  cursor: pointer;
  transition: all 0.2s ease;
  white-space: nowrap;
  height: 34px;
}

.meta-input-row button:hover {
  background: #5a8fff;
  transform: translateY(-1px);
  box-shadow: 0 3px 8px rgba(106, 163, 255, 0.3);
}

.meta-input-row button:active {
  transform: translateY(0);
}

/* Light theme adjustments */
:root[data-theme="light"] .meta-info-btn {
  background: #e3f2fd;
  color: var(--accent);
}

:root[data-theme="light"] .meta-info-btn .info-icon {
  filter: none;
  opacity: 0.8;
}

:root[data-theme="light"] .meta-info-btn:hover:not(:disabled) {
  background: #bbdefb;
}

:root[data-theme="light"] .meta-info-btn:disabled {
  background: #f5f5f5;
  opacity: 0.6;
}

:root[data-theme="light"] .meta-item {
  background: rgba(0, 0, 0, 0.02);
}

:root[data-theme="light"] .meta-item:hover {
  background: rgba(0, 0, 0, 0.04);
}

:root[data-theme="light"] .meta-modal-header {
  background: rgba(0, 0, 0, 0.02);
}

:root[data-theme="light"] .meta-value-input[readonly] {
  background: rgba(0, 0, 0, 0.03);
}

/* Light theme scrollbar */
:root[data-theme="light"] .meta-list-container::-webkit-scrollbar-track {
  background: rgba(0, 0, 0, 0.05);
}

:root[data-theme="light"] .meta-list-container::-webkit-scrollbar-thumb {
  background: rgba(0, 0, 0, 0.2);
}

:root[data-theme="light"] .meta-list-container::-webkit-scrollbar-thumb:hover {
  background: var(--accent);
}