.author-bio{display:block}
.color-preview {
            width: 80px;
            height: 80px;
            border-radius: 12px;
            border: 2px solid #ddd;
            box-shadow: 0 4px 12px rgba(0,0,0,0.1);
            transition: all 0.2s;
        }
        .color-value-box {
            background-color: #f8f9fa;
            padding: 12px 16px;
            border-radius: 12px;
            font-family: 'Courier New', monospace;
            font-size: 1rem;
            word-break: break-all;
        }
        .copy-btn-sm {
            background: none;
            border: none;
            color: #0d6efd;
            cursor: pointer;
            transition: 0.1s;
        }
        .copy-btn-sm:hover {
            color: #0a58ca;
            transform: scale(1.05);
        }
        .history-item {
            display: inline-flex;
            align-items: center;
            background: #f1f3f5;
            border-radius: 32px;
            padding: 5px 12px;
            margin: 4px;
            font-size: 0.85rem;
            cursor: pointer;
            transition: 0.1s;
            border: 1px solid #dee2e6;
        }
        .history-item:hover {
            background: #e9ecef;
            transform: translateY(-1px);
        }
        .history-swatch {
            width: 20px;
            height: 20px;
            border-radius: 50%;
            margin-right: 8px;
            border: 1px solid rgba(0,0,0,0.1);
        }
        .image-canvas {
            width: 100%;
            background: #f2f2f2;
            border-radius: 16px;
            border: 1px solid #e0e0e0;
            cursor: crosshair;
            box-shadow: 0 2px 8px rgba(0,0,0,0.05);
        }
        .zoom-hint {
            font-size: 0.8rem;
            color: #6c757d;
            margin-top: 6px;
        }
        .format-badge {
            font-family: monospace;
            background: #eef2ff;
            padding: 4px 8px;
            border-radius: 20px;
            font-size: 0.8rem;
        }
        .coordinate-badge {
            font-size: 0.8rem;
            background: #f8f9fa;
            padding: 2px 8px;
            border-radius: 16px;
        }
        .color-table th, .color-table td {
            vertical-align: middle;
        }
        .case-study-card {
            background: #fef9e6;
            border-left: 5px solid #f4c542;
        }
        .badge-euler {
            background: #1f2a44;
            color: white;
        }
        .team-card {
            background: white;
            border: 1px solid #e0e0e0;
            border-radius: 12px;
            padding: 20px;
            transition: transform 0.3s, box-shadow 0.3s;
        }
        .team-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 8px 25px rgba(0,0,0,0.1);
        }
        .credential-badge {
            background: linear-gradient(135deg, #6a11cb 0%, #2575fc 100%);
            color: white;
            padding: 4px 12px;
            border-radius: 20px;
            font-size: 0.8rem;
            display: inline-block;
            margin: 2px;
        }
        .testimonial {
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            color: white;
            border-radius: 12px;
            padding: 20px;
            margin: 20px 0;
        }
        .version-history {
            background: #f8f9fa;
            border-left: 4px solid #0d6efd;
            padding: 15px;
            border-radius: 0 8px 8px 0;
        }