.result-badge {
            font-size: 2rem;
            font-weight: 700;
            color: var(--primary-color);
        }
        .sister-size-table td {
            text-align: center;
        }
        .result-card {
            background: #f8fafc;
            border-radius: 16px;
            padding: 1.2rem;
            margin-bottom: 1rem;
            box-shadow: 0 2px 6px rgba(0,0,0,0.05);
        }
        .unit-note {
            font-size: 0.9rem;
            color: #6c757d;
        }
        .size-chart-img {
            max-width: 100%;
            border-radius: 12px;
            background: #f1f3f5;
            padding: 1rem;
        }
        .legend {
            display: flex;
            justify-content: center;
            gap: 2rem;
            margin: 0.5rem 0;
            font-size: 0.9rem;
        }
        .form-check-label {
            font-weight: 500;
        }
        .badge-cup {
            font-size: 1rem;
            padding: 0.4rem 0.8rem;
        }
        .footnote {
            font-size: 0.8rem;
            color: #6c757d;
            margin-top: 0.25rem;
        }
        .toast-custom {
            position: fixed;
            bottom: 20px;
            right: 20px;
            z-index: 1100;
            min-width: 250px;
        }