.coord-input textarea {
            font-family: 'Courier New', monospace;
            font-size: 0.9rem;
        }
        .stats-card {
            background-color: #f8f9fc;
            border-radius: 12px;
            padding: 1rem;
            margin-bottom: 1rem;
            border-left: 4px solid #2c7da0;
        }
        .coeff-badge {
            font-family: 'Courier New', monospace;
            font-size: 1.2rem;
            font-weight: 600;
            color: #2c3e66;
        }
        .regression-equation {
            background: #eef2fa;
            padding: 1rem;
            border-radius: 8px;
            font-size: 1.2rem;
            text-align: center;
            font-family: 'Computer Modern', 'Cambria Math', serif;
        }
        .example-grid {
            display: flex;
            flex-wrap: wrap;
            gap: 0.6rem;
            margin: 1rem 0;
        }
        .legend-color.square {
            width: 16px;
            height: 16px;
            background-color: #1f77b4;
            display: inline-block;
            margin-right: 6px;
            border-radius: 2px;
        }
        .legend-color.line {
            width: 24px;
            height: 2px;
            background-color: #ff7f0e;
            display: inline-block;
            vertical-align: middle;
        }
        .stability-note {
            background-color: #e9ecef;
            border-left: 3px solid #2c7da0;
            padding: 6px 12px;
            margin: 8px 0;
            font-size: 0.85rem;
            border-radius: 4px;
        }