.step-card {
            background: #f8fafc;
            border-left: 4px solid #2c7da0;
            padding: 1rem;
            border-radius: 0 8px 8px 0;
            margin: 1rem 0;
            font-size: 0.95rem;
        }
        .mode-selector {
            background: #f1f5f9;
            border-radius: 12px;
            padding: 0.8rem;
            margin-bottom: 1.5rem;
        }
        .example-badge {
            background: #e9ecef;
            border-radius: 40px;
            padding: 0.3rem 0.8rem;
            font-size: 0.8rem;
            cursor: pointer;
            transition: all 0.2s;
        }
        .example-badge:hover {
            background: #2c7da0;
            color: white;
        }
        .graph-container {
            background: #ffffff;
            border-radius: 12px;
            border: 1px solid #dee2e6;
            margin-top: 1.5rem;
            text-align: center;
        }
        .function-canvas {
            width: 100%;
            height: auto;
            background: #fefefe;
            border-radius: 8px;
        }
        .legend-poly {
            display: flex;
            justify-content: center;
            gap: 1.5rem;
            margin-top: 0.5rem;
        }
        .coeff-list {
            font-family: monospace;
            background: #f1f5f9;
            padding: 0.5rem;
            border-radius: 6px;
        }
        .expert-badge {
            background-color: #e9f5ef;
            border-left: 3px solid #2c7da0;
            padding: 0.75rem 1rem;
            margin: 1rem 0;
            font-size: 0.9rem;
            border-radius: 0 8px 8px 0;
        }