.input-group-custom {
            margin-bottom: 1rem;
        }
        .stat-badge {
            font-size: 1rem;
            background-color: #e9ecef;
            border-radius: 20px;
            padding: 0.2rem 0.8rem;
            display: inline-block;
        }
        .canvas-container {
            text-align: center;
            margin: 1.5rem 0;
            background: #fefefe;
            border-radius: 12px;
            padding: 10px;
            border: 1px solid #e0e0e0;
        }
        .legend {
            display: flex;
            justify-content: center;
            gap: 2rem;
            margin: 0.5rem 0;
            font-size: 0.9rem;
        }
        .legend-item {
            display: flex;
            align-items: center;
            gap: 0.3rem;
        }
        .legend-color {
            width: 16px;
            height: 16px;
            border-radius: 2px;
        }
        .legend-color.group1 { background-color: #1f77b4; }
        .legend-color.group2 { background-color: #ff7f0e; }
        .cohen-interpret {
            font-size: 0.9rem;
            padding: 8px 12px;
            background: #f8f9fa;
            border-radius: 8px;
        }
        .stat-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px,1fr));
            gap: 1rem;
            margin: 1rem 0;
        }
        .stat-card {
            background: #f8f9fa;
            border-radius: 12px;
            padding: 1rem;
            text-align: center;
            box-shadow: 0 1px 2px rgba(0,0,0,0.05);
        }
        .stat-number {
            font-size: 2rem;
            font-weight: 700;
            color: #0d6efd;
        }