/* Responsive table: mobile card view */
@media (max-width: 767px) {
    .responsive-table thead {
        display: none;
    }
    .responsive-table tr {
        display: block;
        margin-bottom: 1rem;
        background: white;
        border-radius: 0.5rem;
        box-shadow: 0 1px 3px rgba(0,0,0,0.1);
        padding: 1rem;
    }
    .responsive-table td {
        display: flex;
        justify-content: space-between;
        align-items: center;
        padding: 0.5rem 0;
        border-bottom: 1px solid #e5e7eb;
    }
    .responsive-table td:last-child {
        border-bottom: none;
    }
    .responsive-table td::before {
        content: attr(data-label);
        font-weight: 600;
        margin-right: 1rem;
        color: #374151;
    }
}