:root {
      /* Light theme variables */
      --bg-color: #ffffff;
      --text-color: #212529;
      --text-muted: #6c757d;
      --card-bg: #ffffff;
      --card-border: #dee2e6;
      --nav-bg: #ffffff;
      --footer-bg: #f8f9fa;
      --input-bg: #ffffff;
      --input-border: #ced4da;
      --input-text: #212529;
      --dropdown-bg: #ffffff;
      --dropdown-border: #dee2e6;
      --dropdown-text: #212529;
      --dropdown-hover: #f8f9fa;
      --btn-outline-border: #6c757d;
      --btn-outline-text: #6c757d;
      --btn-outline-hover: #6c757d;
      --palette-grid-bg: #f8f9fa;
      --shadow-color: rgba(0, 0, 0, 0.08);
      --magnifier-bg: rgba(255, 255, 255, 0.95);
      --magnifier-border: rgba(255, 255, 255, 0.8);
    }

    .dark-mode {
      /* Dark theme variables */
      --bg-color: #121212;
      --text-color: #e0e0e0;
      --text-muted: #a0a0a0;
      --card-bg: #1e1e1e;
      --card-border: #2d2d2d;
      --nav-bg: #1a1a1a;
      --footer-bg: #1a1a1a;
      --input-bg: #2d2d2d;
      --input-border: #404040;
      --input-text: #e0e0e0;
      --dropdown-bg: #2d2d2d;
      --dropdown-border: #404040;
      --dropdown-text: #e0e0e0;
      --dropdown-hover: #3d3d3d;
      --btn-outline-border: #4a4a4a;
      --btn-outline-text: #b0b0b0;
      --btn-outline-hover: #5a5a5a;
      --palette-grid-bg: #2d2d2d;
      --shadow-color: rgba(0, 0, 0, 0.3);
      --magnifier-bg: rgba(45, 45, 45, 0.95);
      --magnifier-border: rgba(64, 64, 64, 0.8);
    }

    /* Apply theme variables - NO TRANSITION INITIALLY to prevent flash */
    body {
      background-color: var(--bg-color);
      color: var(--text-color);
      transition: background-color 0.3s ease, color 0.3s ease;
    }
    
    /* Professional header */
    .main-header {
      background: rgba(0, 116, 232, 0.02);
      border-bottom: 1px solid var(--card-border);
      padding: 1.5rem 0;
      margin-bottom: 2rem;
      transition: all 0.3s ease;
    }
    
    .dark-mode .main-header {
      background: rgba(0, 116, 232, 0.05);
    }
    
    /* Footer */
    .main-footer {
      background: var(--card-bg);
      border-top: 1px solid var(--card-border);
      margin-top: 3rem;
      padding: 2rem 0;
      transition: all 0.3s ease;
    }
    
    .dark-mode .navbar {
      background-color: var(--nav-bg) !important;
      border-bottom: 1px solid var(--card-border);
    }

    .dark-mode .card {
      background-color: var(--card-bg);
      border-color: var(--card-border);
      color: var(--text-color);
    }

    .dark-mode .footer {
      background-color: var(--footer-bg) !important;
      border-top: 1px solid var(--card-border);
      color: var(--text-color);
    }

    .dark-mode .text-muted {
      color: var(--text-muted) !important;
    }

    .dark-mode .btn-outline-secondary {
      border-color: var(--btn-outline-border);
      color: var(--btn-outline-text);
    }

    .dark-mode .btn-outline-secondary:hover {
      background-color: var(--btn-outline-hover);
      border-color: var(--btn-outline-hover);
      color: var(--text-color);
    }

    .dark-mode .form-control,
    .dark-mode .form-select {
      background-color: var(--input-bg);
      border-color: var(--input-border);
      color: var(--input-text);
    }

    .dark-mode .form-control:focus,
    .dark-mode .form-select:focus {
      background-color: var(--input-bg);
      border-color: #0d6efd;
      color: var(--input-text);
      box-shadow: 0 0 0 0.25rem rgba(13, 110, 253, 0.25);
    }

    .dark-mode .dropdown-menu {
      background-color: var(--dropdown-bg);
      border-color: var(--dropdown-border);
    }

    .dark-mode .dropdown-item {
      color: var(--dropdown-text);
    }

    .dark-mode .dropdown-item:hover,
    .dark-mode .dropdown-item:focus {
      background-color: var(--dropdown-hover);
      color: var(--text-color);
    }

    .dark-mode .dropdown-divider {
      border-color: var(--card-border);
    }

    /* Palette specific dark mode */
    .dark-mode .palette-card {
      background-color: var(--card-bg);
    }

    .dark-mode .palette-grid {
      background-color: var(--palette-grid-bg);
      border-radius: 8px;
      padding: 8px;
    }

    .dark-mode .palette-swatch {
      box-shadow: 0 2px 4px var(--shadow-color);
    }

    .dark-mode .palette-swatch:hover {
      box-shadow: 0 4px 8px var(--shadow-color);
    }

    /* Output result dark mode */
    .dark-mode #output-result {
      background-color: var(--card-bg);
      border-color: var(--card-border);
    }

    .dark-mode .output-row {
      background-color: var(--card-bg);
      border-color: var(--card-border);
    }

    .dark-mode .output-row:hover {
      background-color: rgba(13, 110, 253, 0.1);
    }

    .dark-mode .output-label {
      color: var(--text-muted);
    }

    .dark-mode .output-value {
      color: var(--text-color);
    }

    /* Saved colors dark mode */
    .dark-mode .saved-color-item {
      background-color: var(--card-bg);
      border-color: var(--card-border);
    }

    .dark-mode .saved-line-label,
    .dark-mode .saved-line-value {
      border-color: var(--card-border);
      color: var(--text-color);
    }

    /* Drop area dark mode */
    .dark-mode #drop-area {
      background-color: var(--card-bg);
      border-color: var(--card-border);
    }

    .dark-mode #drop-area.dragover {
      border-color: #0d6efd;
      background-color: rgba(13, 110, 253, 0.05);
    }

    /* Control panel dark mode */
    .dark-mode .control-panel {
      background-color: var(--card-bg);
      border-color: var(--card-border);
    }

    .dark-mode .control-label {
      color: var(--text-muted);
    }

    /* Keyboard hint dark mode */
    .dark-mode .kbd-hint {
      background-color: var(--input-bg);
      border-color: var(--input-border);
      color: var(--input-text);
    }

    .dark-mode .kbd-hint.active {
      background-color: rgba(13, 110, 253, 0.2);
      border-color: #0d6efd;
      color: #0d6efd;
    }

    /* Magnifier dark mode */
    .dark-mode #magnifier-glass-container {
      background-color: var(--magnifier-bg);
      outline-color: var(--magnifier-border);
    }

    .dark-mode #magnifier-grid .center-box {
      border-color: #ff4444;
    }

    .dark-mode #magnifier-grid .inner-cross::before,
    .dark-mode #magnifier-grid .inner-cross::after {
      background-color: rgba(255, 255, 255, 0.8);
    }

    .dark-mode #magnifier-grid .coord {
      background-color: rgba(0, 0, 0, 0.7);
      color: #ffffff;
    }

    /* Copy buttons dark mode */
    .dark-mode .copy-icon-btn,
    .dark-mode .copy-icon {
      background-color: var(--input-bg);
      border-color: var(--input-border);
    }

    .dark-mode .copy-icon-btn svg,
    .dark-mode .copy-icon svg {
      color: var(--text-muted);
    }

    /* Toast dark mode */
    .dark-mode .copy-toast {
      background-color: var(--card-bg);
      border: 1px solid var(--card-border);
      color: var(--text-color);
    }

    /* Delete button visibility in dark mode */
    .dark-mode .palette-swatch .delete-single-btn {
      background-color: #dc3545;
      border-color: var(--card-bg);
    }

    /* Navbar active states */
    .dark-mode .nav-link {
      color: var(--text-muted);
    }

    .dark-mode .nav-link:hover,
    .dark-mode .nav-link:focus {
      color: var(--text-color);
    }

    .dark-mode .navbar-brand {
      color: var(--text-color);
    }

    /* Footer links dark mode */
    .dark-mode .footer-links a {
      color: var(--text-muted);
    }

    .dark-mode .footer-links a:hover {
      color: #0d6efd;
    }

    /* Palette selection style */
    .palette-swatch.selected {
      outline: 3px solid rgba(13,110,253,0.9) !important;
      transform: translateY(-3px);
      border-radius: 8px;
    }
    
    .palette-swatch.multi-selected {
      outline: 3px solid rgba(13,110,253,0.45) !important;
      transform: translateY(-3px);
      border-radius: 8px;
    }
    
    /* Navbar styling */
    .navbar-brand {
      font-weight: 600;
      font-size: 1.2rem;
    }
    
    .nav-link {
      font-weight: 500;
    }
    
    .theme-switch-wrapper {
      display: flex;
      align-items: center;
      margin-left: 10px;
    }
    
    .theme-switch {
      display: inline-block;
      height: 26px;
      position:relative;
      width: 50px;
    }
    
    .theme-switch input {
      display: none;
    }
    
    .slider {
      background-color: #6c757d;
      bottom: 0;
      cursor: pointer;
      left: 0;
      position: absolute;
      right: 0;
      top: 0;
      transition: .4s;
    }
    
    .slider:before {
      background-color: white;
      bottom: 4px;
      content: "";
      height: 18px;
      left: 4px;
      position: absolute;
      transition: .4s;
      width: 18px;
    }
    
    input:checked + .slider {
      background-color: #0d6efd;
    }
    
    input:checked + .slider:before {
      transform: translateX(24px);
    }
    
    .slider.round {
      border-radius: 34px;
    }
    
    .slider.round:before {
      border-radius: 50%;
    }
    
    /* Footer styling */
    .footer {
      margin-top: auto;
      padding: 1.5rem 0;
      background-color: var(--footer-bg);
    }
    
    .footer-links a {
      text-decoration: none;
    }
    
    .footer-links a:hover {
      color: #0d6efd !important;
    }

    /* Accessibility improvements */
    .dark-mode a:focus,
    .dark-mode button:focus,
    .dark-mode input:focus,
    .dark-mode select:focus {
      outline: 2px solid #0d6efd;
      outline-offset: 2px;
    }

    /* Status messages */
    .dark-mode .palette-status {
      color: var(--text-muted);
    }

    .dark-mode .palette-status.success {
      color: #20c997;
    }

    /* Image card dark mode */
    .dark-mode .image-card {
      background-color: var(--card-bg);
    }

    /* HR element dark mode */
    .dark-mode hr {
      border-color: var(--card-border);
      opacity: 0.5;
    }

    /* Add smooth transitions AFTER initial load */
    .smooth-transition {
      transition: background-color 0.3s ease, color 0.3s ease, border-color 0.3s ease !important;
    }
    
    /* Skip to content link for accessibility */
    .skip-to-content {
      position: absolute;
      top: -40px;
      left: 0;
      background: #0d6efd;
      color: white;
      padding: 8px;
      z-index: 10000;
      text-decoration: none;
    }
    
    .skip-to-content:focus {
      top: 0;
    }
    
    /* Enhanced Hero Section Styling */
    .hero-section {
      padding: 5rem 0 4rem;
      background: linear-gradient(135deg, var(--bg-color) 0%, var(--card-bg) 100%);
      position: relative;
      overflow: hidden;
    }

    .hero-section::before {
      content: '';
      position: absolute;
      top: 0;
      left: 0;
      right: 0;
      height: 1px;
      background: linear-gradient(90deg, 
          transparent 0%, 
          rgba(13, 110, 253, 0.1) 50%, 
          transparent 100%);
    }

    .hero-section::after {
      content: '';
      position: absolute;
      bottom: 0;
      left: 0;
      right: 0;
      height: 1px;
      background: linear-gradient(90deg, 
          transparent 0%, 
          var(--card-border) 50%, 
          transparent 100%);
    }

    /* Gradient text effect */
    .text-primary-gradient {
      background: linear-gradient(135deg, #0d6efd 0%, #0b5ed7 100%);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
      background-clip: text;
    }

    .dark-mode .text-primary-gradient {
      background: linear-gradient(135deg, #6ea8fe 0%, #0d6efd 100%);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
      background-clip: text;
    }

    /* Enhanced card styling */
    .card.bg-body-tertiary {
      background: linear-gradient(145deg, var(--card-bg) 0%, var(--bg-color) 100%);
      border: 1px solid var(--card-border);
      backdrop-filter: blur(10px);
    }

    /* Hover effects */
    .hover-lift {
      transition: all 0.2s ease;
    }

    .hover-lift:hover {
      transform: translateY(-2px);
      box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
    }

    .dark-mode .hover-lift:hover {
      box-shadow: 0 8px 25px rgba(0, 0, 0, 0.3);
    }

    /* Enhanced badges */
    .badge.bg-primary-subtle {
      background-color: rgba(13, 110, 253, 0.1) !important;
      border: 1px solid rgba(13, 110, 253, 0.2);
    }

    .dark-mode .badge.bg-primary-subtle {
      background-color: rgba(110, 168, 254, 0.15) !important;
      border: 1px solid rgba(110, 168, 254, 0.3);
    }

    .badge.bg-success-subtle {
      background-color: rgba(25, 135, 84, 0.1) !important;
      border: 1px solid rgba(25, 135, 84, 0.2);
    }

    .dark-mode .badge.bg-success-subtle {
      background-color: rgba(25, 135, 84, 0.15) !important;
      border: 1px solid rgba(25, 135, 84, 0.3);
    }

    /* Button enhancements */
    .btn-primary {
      background: linear-gradient(135deg, #0d6efd 0%, #0b5ed7 100%);
      border: none;
      box-shadow: 0 4px 12px rgba(13, 110, 253, 0.2);
    }

    .dark-mode .btn-primary {
      background: linear-gradient(135deg, #0d6efd 0%, #0a58ca 100%);
    }

    .btn-outline-primary {
      border-width: 2px;
      border-color: #0d6efd;
    }

    .dark-mode .btn-outline-primary {
      border-color: #6ea8fe;
      color: #6ea8fe;
    }

    .dark-mode .btn-outline-primary:hover {
      background-color: rgba(110, 168, 254, 0.1);
    }

    /* Responsive adjustments */
    @media (max-width: 992px) {
      .hero-section {
        padding: 4rem 0 3rem;
      }
      
      .display-5 {
        font-size: 2.5rem;
      }
    }

    @media (max-width: 768px) {
      .hero-section {
        padding: 3rem 0;
      }
      
      .display-5 {
        font-size: 2rem;
      }
    }

    @media (max-width: 576px) {
      .hero-section {
        padding: 2.5rem 0;
      }
      
      .display-5 {
        font-size: 1.75rem;
      }
    }

    /* Stats card enhancements */
    .text-center.bg-body {
      transition: all 0.3s ease;
      cursor: default;
    }

    .text-center.bg-body:hover {
      transform: translateY(-3px);
      box-shadow: 0 6px 20px rgba(0, 0, 0, 0.1);
    }

    .dark-mode .text-center.bg-body:hover {
      box-shadow: 0 6px 20px rgba(0, 0, 0, 0.25);
    }

    /* Add these to your dark mode styles */
    .dark-mode .text-muted {
      color: var(--text-muted) !important;
    }

    .dark-mode .bg-body-secondary {
      background-color: var(--card-bg) !important;
      border-color: var(--card-border);
    }

    .dark-mode .bg-body {
      background-color: rgba(255, 255, 255, 0.05) !important;
      border-color: var(--card-border);
    }

    .dark-mode .border {
      border-color: var(--card-border) !important;
    }

    .dark-mode .border-top {
      border-top-color: var(--card-border) !important;
    }

    /* ===============================
       Theme Toggle Visibility Fix
    ================================ */

    /* Icon visibility */
    .theme-toggle-label {
      display: flex;
      align-items: center;
      cursor: pointer;
    }

    .theme-toggle-label i {
      font-size: 1.2rem;
      color: #495057; /* visible in light mode */
      transition: color 0.2s ease;
    }

    /* Dark mode icon */
    .dark-mode .theme-toggle-label i {
      color: #f8f9fa; /* visible in dark mode */
    }

    /* Switch background visibility */
    .form-switch .form-check-input {
      background-color: #dee2e6;
      border-color: #ced4da;
    }

    .dark-mode .form-switch .form-check-input {
      background-color: #495057;
      border-color: #6c757d;
    }

    /* Switch thumb */
    .form-switch .form-check-input:checked {
      background-color: #0d6efd;
      border-color: #0d6efd;
    }

    /* Focus accessibility */
    .form-switch .form-check-input:focus {
      box-shadow: 0 0 0 0.15rem rgba(13, 110, 253, 0.4);
    }

    .dark-mode .breadcrumb-item+.breadcrumb-item::before {
      color: var(--text-muted) !important;
    }

    /* ===============================
       COLOR PICKER SPECIFIC DARK MODE
    ================================ */

    /* Card headers */
    .dark-mode .card-header {
      background: linear-gradient(135deg, var(--card-bg) 0%, rgba(0, 0, 0, 0.2) 100%);
      border-bottom-color: var(--card-border);
      color: var(--text-color);
    }

    .dark-mode .card-header i {
      color: #6ea8fe;
    }

    /* Color picker wrapper */
    .dark-mode .color-picker-wrapper {
      background: transparent;
    }

    .dark-mode .color-picker-preview {
      border: 3px solid var(--card-border);
      background: var(--card-bg);
    }

    /* Input groups */
    .dark-mode .input-group {
      border-radius: 8px;
      overflow: hidden;
    }

    .dark-mode .input-group-text {
      background-color: var(--card-bg);
      border-color: var(--input-border);
      color: var(--text-muted);
    }

    .dark-mode .input-group-text.bg-primary {
      background-color: #0d6efd !important;
      color: white !important;
    }

    .dark-mode .input-group-text.bg-danger {
      background-color: #dc3545 !important;
      color: white !important;
    }

    .dark-mode .input-group-text.bg-success {
      background-color: #198754 !important;
      color: white !important;
    }

    .dark-mode .input-group .form-control {
      background-color: var(--input-bg);
      border-color: var(--input-border);
      color: var(--input-text);
    }

    .dark-mode .input-group .btn {
      background-color: var(--input-bg);
      border-color: var(--input-border);
      color: var(--input-text);
    }

    .dark-mode .input-group .btn:hover {
      background-color: var(--dropdown-hover);
    }

    /* Section titles */
    .dark-mode .section-title {
      color: var(--text-color);
      border-bottom: 2px solid var(--card-border);
    }

    /* Color presets */
    .dark-mode .color-preset {
      border: 2px solid var(--card-border);
    }

    .dark-mode .color-preset:hover {
      border-color: #0d6efd;
      transform: scale(1.05);
      box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
    }

    /* Main color display */
    .dark-mode .main-color-box {
      background: var(--card-bg);
      border: 1px solid var(--card-border);
    }

    /* Color code cards */
    .dark-mode .color-code-card {
      background-color: var(--card-bg);
      border: 1px solid var(--card-border);
    }

    .dark-mode .color-code-card:hover {
      border-color: #0d6efd;
      background-color: rgba(13, 110, 253, 0.1);
    }

    .dark-mode .code-label {
      color: var(--text-muted);
    }

    .dark-mode .code-value {
      color: var(--text-color);
      font-family: 'Monaco', 'Menlo', 'Ubuntu Mono', monospace;
    }

    .dark-mode .copy-btn {
      background-color: var(--input-bg);
      border: 1px solid var(--input-border);
      color: var(--text-color);
    }

    .dark-mode .copy-btn:hover {
      background-color: var(--dropdown-hover);
      border-color: #0d6efd;
    }

    /* Recent colors */
    .dark-mode .recent-colors-grid {
      background: transparent;
    }

    .dark-mode .recent-color {
      border: 1px solid var(--card-border);
    }

    .dark-mode .recent-color:hover {
      border-color: #0d6efd;
      box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
    }

    /* Harmony cards */
    .dark-mode .harmony-category-card {
      background: var(--card-bg);
      border: 1px solid var(--card-border);
    }

    .dark-mode .harmony-category-card:hover {
      border-color: #0d6efd;
      box-shadow: 0 8px 25px rgba(0, 0, 0, 0.3);
    }

    .dark-mode .color-palette {
      background: var(--palette-grid-bg);
    }

    .dark-mode .color-chip {
      border: 1px solid var(--card-border);
    }

    .dark-mode .color-info {
      background: var(--card-bg);
      border-top: 1px solid var(--card-border);
    }

    .dark-mode .color-code {
      color: var(--text-muted);
    }

    /* Variations sections */
    .dark-mode .variation-percentage {
      color: var(--text-muted);
    }

    /* Tabs */
    .dark-mode .nav-tabs {
      border-bottom-color: var(--card-border);
    }

    .dark-mode .nav-tabs .nav-link {
      color: var(--text-muted);
      background: transparent;
    }

    .dark-mode .nav-tabs .nav-link:hover {
      color: var(--text-color);
      background: rgba(13, 110, 253, 0.1);
    }

    .dark-mode .nav-tabs .nav-link.active {
      color: #0d6efd;
      background: transparent;
      border-bottom-color: #0d6efd;
    }

    /* Contrast checker */
    .dark-mode #contrastResult {
      background: var(--card-bg);
      border: 1px solid var(--card-border);
      color: var(--text-color);
    }

    .dark-mode #wcagResults {
      background: var(--card-bg) !important;
      border: 1px solid var(--card-border);
      color: var(--text-color);
    }

    /* Form controls */
    .dark-mode .form-control-color {
      border: 1px solid var(--input-border);
      background: var(--input-bg);
    }

    .dark-mode .form-control-color:hover {
      border-color: #0d6efd;
    }

    /* Tips and shortcuts */
    .dark-mode .list-unstyled li {
      color: var(--text-muted);
    }

    .dark-mode .list-unstyled li i {
      color: #ffc107;
    }

    .dark-mode kbd {
      background-color: var(--card-bg);
      border: 1px solid var(--card-border);
      color: var(--text-color);
    }

    /* Badges in dark mode */
    .dark-mode .badge {
      border: 1px solid var(--card-border);
    }

    .dark-mode .badge.bg-primary {
      background-color: rgba(13, 110, 253, 0.2) !important;
      color: #6ea8fe;
    }

    .dark-mode .badge.bg-success {
      background-color: rgba(25, 135, 84, 0.2) !important;
      color: #75b798;
    }

    .dark-mode .badge.bg-danger {
      background-color: rgba(220, 53, 69, 0.2) !important;
      color: #ea868f;
    }

    .dark-mode .badge.bg-warning {
      background-color: rgba(255, 193, 7, 0.2) !important;
      color: #ffda6a;
    }

    /* Text colors */
    .dark-mode .text-primary {
      color: #6ea8fe !important;
    }

    .dark-mode .text-success {
      color: #75b798 !important;
    }

    .dark-mode .text-warning {
      color: #ffda6a !important;
    }

    .dark-mode .text-danger {
      color: #ea868f !important;
    }

    /* Scrollbar for dark mode */
    .dark-mode ::-webkit-scrollbar {
      width: 10px;
    }

    .dark-mode ::-webkit-scrollbar-track {
      background: var(--bg-color);
    }

    .dark-mode ::-webkit-scrollbar-thumb {
      background: var(--card-border);
      border-radius: 5px;
    }

    .dark-mode ::-webkit-scrollbar-thumb:hover {
      background: var(--text-muted);
    }

    /* Selection color */
    .dark-mode ::selection {
      background-color: rgba(13, 110, 253, 0.3);
      color: white;
    }

    /* Focus states */
    .dark-mode a:focus,
    .dark-mode button:focus,
    .dark-mode input:focus,
    .dark-mode select:focus {
      outline: 2px solid #0d6efd;
      outline-offset: 2px;
      box-shadow: 0 0 0 3px rgba(13, 110, 253, 0.1);
    }

    /* Loading states */
    .dark-mode .loading::after {
      background: rgba(0, 0, 0, 0.5);
    }

    /* Placeholder text */
    .dark-mode ::placeholder {
      color: var(--text-muted);
      opacity: 0.7;
    }

    /* Color indicator */
    .dark-mode .color-indicator {
      border: 2px solid var(--card-border);
      box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
    }

    /* Harmony names */
    .dark-mode .harmony-label {
      color: var(--text-color);
    }

    /* Copy indicator */
    .dark-mode .copy-indicator {
      background: rgba(255, 255, 255, 0.95);
      color: #000;
    }

    /* Hover effects for interactive elements */
    .dark-mode .harmony-card:hover,
    .dark-mode .color-palette-item:hover,
    .dark-mode .blindness-card:hover {
      border-color: #0d6efd;
      box-shadow: 0 8px 25px rgba(0, 0, 0, 0.3);
    }

    /* Ensure proper z-index for hover states */
    .dark-mode .harmony-card,
    .dark-mode .color-palette-item,
    .dark-mode .blindness-card {
      position: relative;
      z-index: 1;
    }

    .dark-mode .harmony-card:hover,
    .dark-mode .color-palette-item:hover,
    .dark-mode .blindness-card:hover {
      z-index: 100;
    }

    /* Table styles for WCAG results */
    .dark-mode table {
      color: var(--text-color);
    }

    .dark-mode .table {
      --bs-table-bg: transparent;
      --bs-table-striped-bg: rgba(255, 255, 255, 0.05);
      --bs-table-hover-bg: rgba(255, 255, 255, 0.075);
      border-color: var(--card-border);
    }

    .dark-mode .table th {
      color: var(--text-color);
      border-bottom-color: var(--card-border);
    }

    .dark-mode .table td {
      border-color: var(--card-border);
    }

    /* Form labels */
    .dark-mode .form-label {
      color: var(--text-color);
    }

    /* Disabled states */
    .dark-mode .btn:disabled,
    .dark-mode .form-control:disabled {
      opacity: 0.5;
      background-color: var(--input-bg);
      border-color: var(--input-border);
      color: var(--text-muted);
    }

    /* Breadcrumb links */
    .dark-mode .breadcrumb-item a {
      color: var(--text-color);
    }

    .dark-mode .breadcrumb-item.active {
      color: var(--text-muted);
    }

    /* Dropdown dividers */
    .dark-mode .dropdown-divider {
      border-color: var(--card-border);
    }

    /* Print styles */
    @media print {
      .dark-mode .card,
      .dark-mode .color-code-card,
      .dark-mode .harmony-card {
        border: 1px solid #000 !important;
        background: #fff !important;
        color: #000 !important;
      }
      
      .dark-mode .color-chip,
      .dark-mode .color-preset {
        -webkit-print-color-adjust: exact;
        print-color-adjust: exact;
      }
    }

    /* Transition effects for all theme-able elements */
    .dark-mode * {
      transition: background-color 0.3s ease, 
                  border-color 0.3s ease, 
                  color 0.3s ease,
                  box-shadow 0.3s ease !important;
    }

    /* Specific transitions for key elements */
    .dark-mode .card,
    .dark-mode .color-code-card,
    .dark-mode .harmony-card,
    .dark-mode .blindness-card {
      transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1) !important;
    }
    
    
    /* Add these to your dark mode styles in theme.css */

/* WCAG Results Table Dark Mode */
.dark-mode .table-responsive {
    background: transparent;
}

.dark-mode .table {
    --bs-table-bg: transparent;
    --bs-table-color: var(--text-color);
    --bs-table-border-color: var(--card-border);
    --bs-table-striped-bg: rgba(255, 255, 255, 0.05);
    --bs-table-active-bg: rgba(255, 255, 255, 0.1);
    --bs-table-hover-bg: rgba(255, 255, 255, 0.075);
}

.dark-mode .table-sm {
    font-size: 0.875rem;
}

.dark-mode .table thead th {
    background-color: rgba(0, 0, 0, 0.2);
    border-bottom: 2px solid var(--card-border);
    color: var(--text-color);
    font-weight: 600;
    padding: 0.75rem 0.5rem;
}

.dark-mode .table tbody td {
    border-color: var(--card-border);
    padding: 0.75rem 0.5rem;
    vertical-align: middle;
}

.dark-mode .table tbody tr {
    background-color: transparent;
    transition: background-color 0.2s ease;
}

.dark-mode .table tbody tr:hover {
    background-color: rgba(255, 255, 255, 0.05);
}

/* Success and Danger text colors for dark mode */
.dark-mode .text-success {
    color: #75b798 !important;
}

.dark-mode .text-danger {
    color: #ea868f !important;
}

.dark-mode .text-warning {
    color: #ffda6a !important;
}

/* Table specific adjustments */
.dark-mode .table-responsive {
    border-radius: 8px;
    overflow: hidden;
    border: 1px solid var(--card-border);
}

.dark-mode .table th {
    font-weight: 600;
    text-transform: none;
}

.dark-mode .table td small {
    color: var(--text-muted);
    font-size: 0.8em;
    opacity: 0.8;
}

/* Enhance table header visibility */
.dark-mode .table thead th {
    position: relative;
}

.dark-mode .table thead th::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0.5rem;
    right: 0.5rem;
    height: 2px;
    background: linear-gradient(90deg, 
        transparent 0%, 
        rgba(13, 110, 253, 0.3) 50%, 
        transparent 100%);
}

/* Alternate row styling */
.dark-mode .table tbody tr:nth-child(even) {
    background-color: rgba(255, 255, 255, 0.02);
}

.dark-mode .table tbody tr:nth-child(even):hover {
    background-color: rgba(255, 255, 255, 0.08);
}

/* Cell specific styles */
.dark-mode .table td .fw-bold {
    font-weight: 600 !important;
}

/* Make text more readable in dark mode */
.dark-mode .table td {
    color: var(--text-color);
}

/* WCAG level labels styling */
.dark-mode .table td:first-child {
    font-weight: 500;
    color: var(--text-color);
    position: relative;
    padding-left: 1rem;
}

.dark-mode .table td:first-child::before {
    content: '';
    position: absolute;
    left: 0.25rem;
    top: 50%;
    transform: translateY(-50%);
    width: 3px;
    height: 60%;
    background: linear-gradient(to bottom, var(--primary-color), transparent);
    border-radius: 2px;
}

/* Responsive adjustments */
@media (max-width: 768px) {
    .dark-mode .table-responsive {
        border: none;
    }
    
    .dark-mode .table {
        font-size: 0.8rem;
    }
    
    .dark-mode .table td,
    .dark-mode .table th {
        padding: 0.5rem 0.25rem;
    }
}

/* Improve contrast for better readability */
.dark-mode .table {
    --bs-table-accent-bg: rgba(255, 255, 255, 0.03);
}

/* Add subtle animation for table rows */
.dark-mode .table tbody tr {
    transition: all 0.2s ease;
}

/* Status badges alternative styling (if you want to use badges instead of text) */
.dark-mode .badge.bg-success {
    background-color: rgba(25, 135, 84, 0.2) !important;
    color: #75b798 !important;
    border: 1px solid rgba(25, 135, 84, 0.3);
}

.dark-mode .badge.bg-danger {
    background-color: rgba(220, 53, 69, 0.2) !important;
    color: #ea868f !important;
    border: 1px solid rgba(220, 53, 69, 0.3);
}

.dark-mode .badge.bg-warning {
    background-color: rgba(255, 193, 7, 0.2) !important;
    color: #ffda6a !important;
    border: 1px solid rgba(255, 193, 7, 0.3);
}

/* If you want to use badge-style PASS/FAIL indicators */
.dark-mode .wcag-status {
    display: inline-flex;
    align-items: center;
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
    margin-right: 0.5rem;
}

.dark-mode .wcag-status.pass {
    background-color: rgba(25, 135, 84, 0.15);
    color: #75b798;
    border: 1px solid rgba(25, 135, 84, 0.3);
}

.dark-mode .wcag-status.fail {
    background-color: rgba(220, 53, 69, 0.15);
    color: #ea868f;
    border: 1px solid rgba(220, 53, 69, 0.3);
}

.dark-mode .wcag-status::before {
    content: '';
    display: inline-block;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    margin-right: 0.5rem;
}

.dark-mode .wcag-status.pass::before {
    background-color: #75b798;
}

.dark-mode .wcag-status.fail::before {
    background-color: #ea868f;
}

/* Optional: Add icons */
.dark-mode .wcag-status.pass::after {
    content: '✓';
    margin-left: 0.25rem;
}

.dark-mode .wcag-status.fail::after {
    content: '✗';
    margin-left: 0.25rem;
}


/* ===============================
   MISSING DARK MODE STYLES
=============================== */

/* Breadcrumb dark mode */
.dark-mode .breadcrumb-item a {
    color: var(--text-color);
}

.dark-mode .breadcrumb-item a:hover {
    color: #6ea8fe;
}

.dark-mode .breadcrumb-item.active {
    color: var(--text-muted);
}

.dark-mode .breadcrumb-item + .breadcrumb-item::before {
    color: var(--text-muted);
}

/* Background utilities for dark mode */
.dark-mode .bg-light {
    background-color: var(--card-bg) !important;
}

.dark-mode .bg-white {
    background-color: var(--card-bg) !important;
}

.dark-mode .bg-body-tertiary {
    background-color: var(--card-bg) !important;
}

/* Border utilities for dark mode */
.dark-mode .border {
    border-color: var(--card-border) !important;
}

.dark-mode .border-top {
    border-top-color: var(--card-border) !important;
}

.dark-mode .border-bottom {
    border-bottom-color: var(--card-border) !important;
}

.dark-mode .border-light {
    border-color: var(--card-border) !important;
}

/* Card enhancements */
.dark-mode .card {
    background-color: var(--card-bg);
    border-color: var(--card-border);
}

.dark-mode .card-header {
    background-color: rgba(0, 0, 0, 0.1);
    border-bottom-color: var(--card-border);
    color: var(--text-color);
}

.dark-mode .card-body {
    color: var(--text-color);
}

/* Nav tabs */
.dark-mode .nav-tabs {
    border-bottom-color: var(--card-border);
}

.dark-mode .nav-tabs .nav-link {
    color: var(--text-muted);
}

.dark-mode .nav-tabs .nav-link:hover {
    color: var(--text-color);
    border-color: var(--card-border);
}

.dark-mode .nav-tabs .nav-link.active {
    color: var(--text-color);
    background-color: transparent;
    border-color: var(--card-border) var(--card-border) var(--bg-color);
}

/* Accordion */
.dark-mode .accordion-item {
    background-color: var(--card-bg);
    border-color: var(--card-border);
}

.dark-mode .accordion-button {
    background-color: var(--card-bg);
    color: var(--text-color);
}

.dark-mode .accordion-button:not(.collapsed) {
    background-color: var(--card-bg);
    color: var(--text-color);
}

.dark-mode .accordion-body {
    background-color: var(--card-bg);
    color: var(--text-color);
}

/* Table dark mode */
.dark-mode .table {
    --bs-table-bg: transparent;
    --bs-table-color: var(--text-color);
    --bs-table-border-color: var(--card-border);
    --bs-table-striped-bg: rgba(255, 255, 255, 0.05);
    --bs-table-hover-bg: rgba(255, 255, 255, 0.075);
}

.dark-mode .table thead th {
    background-color: rgba(0, 0, 0, 0.2);
    border-bottom-color: var(--card-border);
    color: var(--text-color);
}

.dark-mode .table tbody td {
    border-color: var(--card-border);
}

/* Badge adjustments */
.dark-mode .badge {
    border: 1px solid var(--card-border);
}

.dark-mode .badge.bg-light {
    background-color: var(--input-bg) !important;
    color: var(--text-color) !important;
}

.dark-mode .badge.bg-primary {
    background-color: rgba(13, 110, 253, 0.2) !important;
    color: #6ea8fe !important;
}

/* Form controls */
.dark-mode .form-control {
    background-color: var(--input-bg);
    border-color: var(--input-border);
    color: var(--input-text);
}

.dark-mode .form-control:focus {
    background-color: var(--input-bg);
    border-color: #0d6efd;
    color: var(--input-text);
    box-shadow: 0 0 0 0.25rem rgba(13, 110, 253, 0.25);
}

.dark-mode .form-check-input {
    background-color: var(--input-bg);
    border-color: var(--input-border);
}

/* Button adjustments */
.dark-mode .btn-outline-secondary {
    border-color: var(--input-border);
    color: var(--text-muted);
}

.dark-mode .btn-outline-secondary:hover {
    background-color: var(--input-bg);
    border-color: #0d6efd;
    color: var(--text-color);
}

/* Dropdown menu */
.dark-mode .dropdown-menu {
    background-color: var(--dropdown-bg);
    border-color: var(--dropdown-border);
}

.dark-mode .dropdown-item {
    color: var(--dropdown-text);
}

.dark-mode .dropdown-item:hover {
    background-color: var(--dropdown-hover);
    color: var(--text-color);
}

/* Custom elements from your HTML */
.dark-mode .seo-explanation {
    background-color: rgba(0, 0, 0, 0.1) !important;
    border-color: var(--card-border);
}

.dark-mode .seo-intro-section {
    background-color: rgba(0, 0, 0, 0.05) !important;
}

.dark-mode .color-model-card {
    background-color: var(--card-bg);
    border-color: var(--card-border);
}

.dark-mode .feature-item {
    background-color: rgba(0, 0, 0, 0.05);
}

.dark-mode .cta-card {
    background-color: var(--card-bg);
    border-color: var(--card-border);
}

/* ===============================
   SPECIFIC FIXES FOR COLOR PICKER
=============================== */

/* Color presets grid */
.dark-mode .color-presets {
    background-color: transparent;
}

.dark-mode .color-preset {
    border: 2px solid var(--card-border);
    transition: all 0.2s ease;
}

.dark-mode .color-preset:hover {
    border-color: #0d6efd;
    transform: scale(1.1);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

/* Current color indicator */
.dark-mode #currentColorIndicator {
    border: 2px solid var(--card-border);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
}

/* Harmony cards */
.dark-mode #harmoniesGrid {
    background-color: transparent;
}

.dark-mode .harmony-card {
    background-color: var(--card-bg);
    border: 1px solid var(--card-border);
}

/* Variations grids */
.dark-mode #shadesGrid,
.dark-mode #tintsGrid,
.dark-mode #tonesGrid {
    background-color: transparent;
}

.dark-mode .variation-chip {
    background-color: var(--card-bg);
    border: 1px solid var(--card-border);
    color: var(--text-color);
}

/* Blindness simulator */
.dark-mode #blindnessSimulator {
    background-color: transparent;
}

.dark-mode .blindness-card {
    background-color: var(--card-bg);
    border: 1px solid var(--card-border);
    color: var(--text-color);
}

/* Toast container */
.dark-mode #toastContainer .toast {
    background-color: var(--card-bg);
    border: 1px solid var(--card-border);
    color: var(--text-color);
}

/* Theme toggle visibility fix */
.dark-mode .form-check-label.theme-toggle-label i {
    color: #f8f9fa;
}

/* Fix for color input placeholder */
.dark-mode ::placeholder {
    color: var(--text-muted);
    opacity: 0.7;
}

/* Fix for all muted text */
.dark-mode .text-muted {
    color: var(--text-muted) !important;
}

/* Fix for code elements */
.dark-mode code {
    background-color: var(--input-bg);
    color: var(--text-color);
    border: 1px solid var(--input-border);
}

/* Ensure proper contrast for form labels */
.dark-mode .form-label {
    color: var(--text-color);
}

/* Fix for the theme toggle itself */
.dark-mode .form-switch .form-check-input {
    background-color: #495057;
    border-color: #6c757d;
}

.dark-mode .form-switch .form-check-input:checked {
    background-color: #0d6efd;
    border-color: #0d6efd;
}

/* Add smooth transition for all elements */
.dark-mode * {
    transition: background-color 0.3s ease, 
                border-color 0.3s ease, 
                color 0.3s ease,
                box-shadow 0.3s ease !important;
}