.card,
.stat-card {
    background: var(--panel);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
}

.card {
    padding: 24px;
    margin-bottom: 20px;
}

.card h2 { margin-top: 0; }

.stat-card { padding: 24px; }

.stat-label {
    display: block;
    color: var(--muted);
    font-size: 14px;
    margin-bottom: 10px;
}

.stat-value {
    font-size: 36px;
    font-weight: 800;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 18px;
    margin-bottom: 24px;
}

.grid-2 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.form-grid {
    display: grid;
    gap: 16px;
}

/* Tablas scrolleables en móvil */
.table-wrap {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    border-radius: 12px;
}

.table {
    width: 100%;
    border-collapse: collapse;
}

.table th,
.table td {
    text-align: left;
    padding: 14px 12px;
    border-bottom: 1px solid var(--line);
    white-space: nowrap;
}

.table th {
    font-size: 13px;
    text-transform: uppercase;
    letter-spacing: .04em;
    color: var(--muted);
}

.alert {
    padding: 14px 16px;
    border-radius: 14px;
    margin-bottom: 20px;
    font-weight: 600;
}

.alert-success {
    background: #ecfdf5;
    color: #065f46;
    border: 1px solid #bbf7d0;
}

.alert-danger {
    background: #fef2f2;
    color: #991b1b;
    border: 1px solid #fecaca;
}

.alert-warning {
    background: #fffbeb;
    color: #92400e;
    border: 1px solid #fde68a;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 13px 18px;
    border-radius: 14px;
    font-weight: 700;
    border: none;
    cursor: pointer;
    transition: .2s ease;
    text-decoration: none;
    font-size: 14px;
}

.btn-primary {
    background: var(--primary);
    color: #fff;
}

.btn-primary:hover { background: var(--primary-2); }

.btn-secondary {
    background: #e8edf5;
    color: var(--primary);
}

.btn-secondary:hover { background: #dce3ee; }

.btn-outline {
    background: #fff;
    color: var(--primary);
    border: 1px solid #cdd9eb;
}

.btn-outline:hover { background: #f7faff; }

.btn-block { width: 100%; }

.btn-danger {
    background: #dc2626;
    color: #fff;
}

.btn-danger:hover { background: #b91c1c; }

/* ── Responsive ── */
@media (max-width: 980px) {
    .grid-2 { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
    .stat-value { font-size: 28px; }

    .stats-grid {
        grid-template-columns: 1fr 1fr;
        gap: 12px;
    }

    .card {
        padding: 16px;
        border-radius: 16px;
        margin-bottom: 14px;
    }

    .table th,
    .table td {
        padding: 10px 10px;
        font-size: 13px;
    }

    .btn {
        min-height: 48px;
        padding: 12px 16px;
        font-size: 15px;
    }

    .form-grid {
        grid-template-columns: 1fr !important;
    }

    .alert {
        font-size: 14px;
        padding: 12px 14px;
    }
}

@media (max-width: 400px) {
    .stats-grid { grid-template-columns: 1fr; }
}