:root {
            --primary-color: #2c7da0;
            --secondary-color: #a9d6e5;
            --accent-color: #01497c;
            --light-gray: #f8f9fa;
            --border-color: #eaeaea;
            --text-color: #333;
            --text-muted: #6c757d;
            --success-color: #28a745;
            --warning-color: #ffc107;
            --color-palette: #6f42c1;
            --color-tool: #e83e8c;
        }
        .page-header {
            background: linear-gradient(135deg, rgba(169, 214, 229, 0.4) 0%, rgba(44, 125, 160, 0.4) 100%);
            padding: 1.5rem 0;
            margin-bottom: 2rem;
            border-bottom: 1px solid rgba(44, 125, 160, 0.2);
            position: relative;
            overflow: hidden;   color: var(--text-color);
        }
        .breadcrumb {
            background-color: transparent;
            padding: 0.5rem 0;
            margin-bottom: 0.5rem;
        }
        .breadcrumb-item a {
            color: var(--text-muted);
            text-decoration: none;
        }
        .breadcrumb-item.active {
            color: var(--text-color);
        }
        .color-list-container {
            margin: 2rem 0;
        }
        .color-section-title {
            font-weight: 600;
            margin-bottom: 1rem;
            color: var(--primary-color);
            padding-bottom: 0.5rem;
            border-bottom: 1px solid var(--border-color);
        }
        .color-table {
            width: 100%;
            border-collapse: separate;
            border-spacing: 0;
            margin-bottom: 2rem;
            border-radius: 8px;
            overflow: hidden;
            border: 1px solid var(--border-color);
        }
        .color-table th {
            background-color: var(--light-gray);
            font-weight: 600;
            text-align: left;
            padding: 1rem;
            border-bottom: 2px solid var(--border-color);
            color: var(--text-color);
        }
        .color-table td {
            padding: 0.75rem 1rem;
            border-bottom: 1px solid var(--border-color);
            vertical-align: middle;
        }
        .color-table tr:last-child td {
            border-bottom: none;
        }
        .color-table tr:hover {
            background-color: rgba(44, 125, 160, 0.05);
        }
        .color-table tr.selected {
            background-color: rgba(44, 125, 160, 0.1);
        }
        .color-sample {
            width: 40px;
            height: 40px;
            border-radius: 4px;
            border: 1px solid rgba(0,0,0,0.1);
            display: inline-block;
            vertical-align: middle;
            margin-right: 0.75rem;
            cursor: pointer;
        }
        .color-sample.small {
            width: 24px;
            height: 24px;
            margin-right: 0.5rem;
        }
        .color-name {
            font-weight: 500;
            color: var(--text-color);
        }
        .color-code {
            font-family: 'Courier New', monospace;
            font-weight: 600;
            background-color: rgba(0,0,0,0.05);
            padding: 0.25rem 0.5rem;
            border-radius: 3px;
            font-size: 0.9rem;
        }
        .color-values {
            font-family: 'Courier New', monospace;
            font-size: 0.9rem;
            color: var(--text-muted);
        }
        .color-action-btn {
            background-color: var(--light-gray);
            border: 1px solid var(--border-color);
            border-radius: 4px;
            padding: 0.25rem 0.5rem;
            font-size: 0.85rem;
            cursor: pointer;
            transition: all 0.2s;
            color: var(--text-color);
            display: inline-block;
            margin-right: 0.25rem;
        }
        .color-action-btn:hover {
            background-color: var(--primary-color);
            color: white;
            border-color: var(--primary-color);
        }
        .color-action-btn i {
            font-size: 0.8rem;
        }
        .list-controls {
            background-color: var(--light-gray);
            border-radius: 8px;
            padding: 1.25rem;
            margin-bottom: 1.5rem;
            border: 1px solid var(--border-color);
        }
        .filter-options {
            display: flex;
            flex-wrap: wrap;
            gap: 1rem;
            margin-bottom: 1rem;
        }
        .filter-group {
            flex: 1;
            min-width: 200px;
        }
        .filter-group label {
            font-weight: 600;
            font-size: 0.9rem;
            margin-bottom: 0.5rem;
            display: block;
            color: var(--text-muted);
        }
        .filter-select {
            width: 100%;
            padding: 0.5rem;
            border: 1px solid var(--border-color);
            border-radius: 4px;
            background-color: white;
        }
        .search-box {
            position: relative;
            margin-bottom: 1rem;
        }
        .search-box input {
            width: 100%;
            padding: 0.75rem 1rem 0.75rem 2.5rem;
            border: 1px solid var(--border-color);
            border-radius: 6px;
            font-size: 1rem;
        }
        .search-box i {
            position: absolute;
            left: 1rem;
            top: 50%;
            transform: translateY(-50%);
            color: var(--text-muted);
        }
        .view-options {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-top: 1rem;
        }
        .view-buttons {
            display: flex;
            gap: 0.5rem;
        }
        .view-btn {
            padding: 0.5rem 1rem;
            border: 1px solid var(--border-color);
            border-radius: 4px;
            background-color: white;
            cursor: pointer;
            transition: all 0.2s;
        }
        .view-btn:hover, .view-btn.active {
            background-color: var(--primary-color);
            color: white;
            border-color: var(--primary-color);
        }
        .results-count {
            font-size: 0.9rem;
            color: var(--text-muted);
        }
        .selected-color-display {
            background-color: white;
            border-radius: 8px;
            padding: 1.5rem;
            border: 1px solid var(--border-color);
            margin-bottom: 1.5rem;
            box-shadow: 0 2px 10px rgba(0,0,0,0.05);
        }
        .color-preview-large {
            width: 120px;
            height: 120px;
            border-radius: 8px;
            border: 1px solid var(--border-color);
            margin-right: 1.5rem;
        }
        .color-values-container {
            flex: 1;
        }
        .color-value-row {
            display: flex;
            align-items: center;
            margin-bottom: 0.75rem;
            padding-bottom: 0.75rem;
            border-bottom: 1px solid var(--light-gray);
        }
        .color-label {
            font-weight: 600;
            width: 100px;
            color: var(--text-muted);
        }
        .color-value {
            font-family: 'Courier New', monospace;
            font-weight: 600;
            font-size: 1.1rem;
            margin-right: 1rem;
        }
        .copy-btn {
            background-color: var(--light-gray);
            border: 1px solid var(--border-color);
            border-radius: 4px;
            padding: 0.25rem 0.75rem;
            font-size: 0.85rem;
            cursor: pointer;
            transition: all 0.2s;
        }
        .copy-btn:hover {
            background-color: var(--primary-color);
            color: white;
            border-color: var(--primary-color);
        }
        .copy-btn.copied {
            background-color: var(--success-color);
            color: white;
            border-color: var(--success-color);
        }
        .color-tools {
            margin-top: 2rem;
        }
        .custom-color-picker {
            border: 1px solid var(--border-color);
            border-radius: 6px;
            padding: 1.5rem;
            background-color: var(--light-gray);
        }
        .color-slider-container {
            margin-bottom: 1.5rem;
        }
        .color-slider {
            width: 100%;
            height: 30px;
            border-radius: 4px;
            margin-bottom: 0.5rem;
        }
        .slider-labels {
            display: flex;
            justify-content: space-between;
            font-size: 0.85rem;
            color: var(--text-muted);
        }
        .color-inputs {
            display: flex;
            gap: 1rem;
            margin-top: 1rem;
        }
        .color-input-group {
            flex: 1;
        }
        .color-input-group label {
            font-weight: 600;
            font-size: 0.9rem;
            margin-bottom: 0.5rem;
            display: block;
            color: var(--text-muted);
        }
        .color-input {
            width: 100%;
            padding: 0.75rem;
            border: 1px solid var(--border-color);
            border-radius: 4px;
            font-family: 'Courier New', monospace;
            font-weight: 600;
        }
        .palette-generator {
            background-color: white;
            border-radius: 8px;
            padding: 1.5rem;
            border: 1px solid var(--border-color);
            margin-top: 1.5rem;
        }
        .palette-preview {
            display: flex;
            height: 120px;
            border-radius: 8px;
            overflow: hidden;
            border: 1px solid var(--border-color);
            margin-top: 1rem;
        }
        .palette-color {
            flex: 1;
            display: flex;
            align-items: flex-end;
            justify-content: center;
            padding-bottom: 0.5rem;
            cursor: pointer;
            transition: all 0.2s;
            position: relative;
        }
        .palette-color:hover {
            flex: 1.2;
        }
        .palette-hex {
            background-color: rgba(255, 255, 255, 0.9);
            padding: 2px 8px;
            border-radius: 4px;
            font-size: 0.8rem;
            font-weight: 600;
            color: #333;
        }
        .color-harmony {
            margin-top: 2rem;
        }
        .harmony-types {
            display: flex;
            flex-wrap: wrap;
            gap: 0.5rem;
            margin-bottom: 1.5rem;
        }
        .harmony-btn {
            padding: 0.5rem 1rem;
            border: 1px solid var(--border-color);
            border-radius: 4px;
            background-color: white;
            cursor: pointer;
            transition: all 0.2s;
        }
        .harmony-btn:hover, .harmony-btn.active {
            background-color: var(--primary-color);
            color: white;
            border-color: var(--primary-color);
        }
        .harmony-colors {
            display: flex;
            height: 80px;
            border-radius: 8px;
            overflow: hidden;
            border: 1px solid var(--border-color);
        }
        .harmony-color {
            flex: 1;
            display: flex;
            align-items: center;
            justify-content: center;
            color: white;
            font-weight: 600;
            text-shadow: 0 0 3px rgba(0,0,0,0.5);
        }
        .contrast-checker {
            background-color: white;
            border-radius: 8px;
            padding: 1.5rem;
            border: 1px solid var(--border-color);
            margin-top: 1.5rem;
        }
        .contrast-preview {
            display: flex;
            height: 150px;
            border-radius: 8px;
            overflow: hidden;
            border: 1px solid var(--border-color);
            margin: 1.5rem 0;
        }
        .contrast-foreground {
            flex: 1;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            font-weight: 600;
        }
        .contrast-background {
            flex: 1;
            display: flex;
            align-items: center;
            justify-content: center;
        }
        .contrast-ratio {
            font-size: 2rem;
            font-weight: 700;
            text-align: center;
            margin: 1rem 0;
            color: var(--primary-color);
        }
        .contrast-rating {
            text-align: center;
            padding: 0.5rem;
            border-radius: 4px;
            font-weight: 600;
            margin-top: 1rem;
        }
        .rating-aaa {
            background-color: rgba(40, 167, 69, 0.2);
            color: var(--success-color);
        }
        .rating-aa {
            background-color: rgba(255, 193, 7, 0.2);
            color: #b8860b;
        }
        .rating-fail {
            background-color: rgba(220, 53, 69, 0.2);
            color: #dc3545;
        }
        @media (max-width: 992px) {
            .color-preview-large {
                width: 100px;
                height: 100px;
                margin-right: 1rem;
            }
            .color-inputs {
                flex-direction: column;
                gap: 0.5rem;
            }
        }
        @media (max-width: 768px) {
            .selected-color-display {
                flex-direction: column;
            }
            .color-preview-large {
                width: 100%;
                height: 100px;
                margin-right: 0;
                margin-bottom: 1rem;
            }
            .color-table {
                display: block;
                overflow-x: auto;
            }
            .filter-options {
                flex-direction: column;
                gap: 0.5rem;
            }
            .filter-group {
                min-width: 100%;
            }
        }
        .color-box {
            background-color: rgba(111, 66, 193, 0.05);
            border-left: 3px solid var(--color-palette);
            padding: 1rem;
            border-radius: 0 4px 4px 0;
            margin: 1.5rem 0;
        }
        .pagination-container {
            display: flex;
            justify-content: center;
            margin-top: 2rem;
        }
        .pagination {
            display: flex;
            gap: 0.25rem;
        }
        .page-item {
            list-style: none;
        }
        .page-link {
            padding: 0.5rem 0.75rem;
            border: 1px solid var(--border-color);
            border-radius: 4px;
            background-color: white;
            color: var(--text-color);
            cursor: pointer;
            transition: all 0.2s;
            text-decoration: none;
        }
        .page-link:hover {
            background-color: var(--light-gray);
        }
        .page-item.active .page-link {
            background-color: var(--primary-color);
            color: white;
            border-color: var(--primary-color);
        }
        .page-item.disabled .page-link {
            background-color: var(--light-gray);
            color: var(--text-muted);
            cursor: not-allowed;
        }
        .sort-controls {
            display: flex;
            align-items: center;
            gap: 1rem;
            margin-bottom: 1rem;
        }
        .sort-label {
            font-weight: 600;
            color: var(--text-muted);
            font-size: 0.9rem;
        }
        .sort-select {
            padding: 0.5rem;
            border: 1px solid var(--border-color);
            border-radius: 4px;
            background-color: white;
        }