.payment-type-group {
            margin: 0.5rem 0 1rem;
        }
        .canvas-container {
            background: #fefefe;
            border-radius: 12px;
            padding: 0.5rem;
            margin-top: 1.5rem;
        }
        .legend {
            justify-content: center;
            gap: 1.5rem;
        }
        .table-sm-custom {
            font-size: 0.85rem;
        }
        .finance-card {
            border-radius: 1rem;
            box-shadow: 0 4px 12px rgba(0,0,0,0.05);
        }
        .interest-note {
            background: #e2f0f5;
            border-radius: 8px;
            padding: 0.75rem;
        }
        .nper-note {
            font-size: 0.8rem;
            color: #6c757d;
            border-top: 1px dashed #dee2e6;
            margin-top: 0.5rem;
            padding-top: 0.25rem;
        }