: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;
            --art-purple: #9b59b6;
            --art-orange: #e67e22;
        }
         .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);
        }
        .result-content {
            word-break: break-all;
            padding: 12px;
            background-color: white;
            border-radius: 4px;
            border: 1px solid #eee;
            font-size: 0.95rem;
        }
        .image-preview-container {
            display: flex;
            flex-wrap: wrap;
            gap: 2rem;
            margin: 2rem 0;
            justify-content: center;
        }
        .preview-box {
            flex: 1 1 300px;
            text-align: center;
            background: white;
            border-radius: 8px;
            padding: 1rem;
            border: 1px solid var(--border-color);
            box-shadow: 0 2px 4px rgba(0,0,0,0.05);
        }
        .preview-box h4 {
            color: var(--text-muted);
            font-size: 1rem;
            margin-bottom: 1rem;
        }
        .preview-canvas {
            max-width: 100%;
            height: auto;
            border: 1px solid #ddd;
            border-radius: 4px;
            background: #f0f0f0;
        }
        .download-btn {
            margin-top: 1rem;
        }
        .slider-value {
            background-color: var(--primary-color);
            color: white;
            padding: 0.25rem 0.5rem;
            border-radius: 4px;
            font-size: 0.8rem;
            margin-left: 0.5rem;
        }
        .form-range {
            width: 100%;
            height: 1rem;
            background-color: transparent;
            -webkit-appearance: none;
        }
        .form-range::-webkit-slider-thumb {
            width: 1rem;
            height: 1rem;
            background-color: var(--primary-color);
            border: 0;
            border-radius: 1rem;
            -webkit-appearance: none;
        }
        .form-range::-webkit-slider-runnable-track {
            width: 100%;
            height: 0.5rem;
            background: var(--light-gray);
            border-radius: 0.5rem;
        }
        .art-info-box {
            background-color: rgba(155, 89, 182, 0.05);
            border-left: 3px solid var(--art-purple);
            padding: 1rem;
            border-radius: 0 4px 4px 0;
            margin: 1.5rem 0;
        }
        .related-name {
            font-weight: 500;
            margin-bottom: 0.25rem;
        }
        .related-desc {
            color: var(--text-muted);
            font-size: 0.9rem;
        }
        @media (max-width: 768px) {
            .image-preview-container {
                flex-direction: column;
            }
        }
        .form-check-input:checked {
            background-color: var(--primary-color);
            border-color: var(--primary-color);
        }