:root {
    --ui-radius: 8px;
    --ui-shadow-sm: 0 8px 24px rgba(15, 23, 42, 0.06);
    --ui-shadow-xs: 0 4px 16px rgba(15, 23, 42, 0.04);
    --ui-border: rgba(15, 23, 42, 0.08);
    --ui-muted: #6c757d;
    --ui-heading: #1f3b71;
    --ui-surface: #ffffff;
}

.card.ui-card,
.ui-kpi-card,
.ui-empty-state,
.ui-option-card {
    border-radius: var(--ui-radius);
}

.card.ui-card,
.ui-kpi-card {
    border-color: var(--ui-border);
    box-shadow: var(--ui-shadow-xs);
}

.ui-card-header {
    gap: 1rem;
}

.ui-card-actions {
    flex-wrap: wrap;
}

.ui-filter-toolbar .form-label {
    margin-bottom: 0.35rem;
}

.ui-filter-toolbar .form-select-sm,
.ui-filter-toolbar .form-control-sm,
.ui-filter-toolbar .btn-sm {
    border-radius: var(--ui-radius);
}

.ui-empty-state {
    background: linear-gradient(180deg, rgba(91, 157, 249, 0.04), rgba(91, 157, 249, 0));
}

.ui-empty-state-compact {
    background: transparent;
}

.ui-empty-state-icon {
    width: 3rem;
    height: 3rem;
    margin: 0 auto;
    border-radius: 999px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: rgba(91, 157, 249, 0.1);
    color: #5b9df9;
    font-size: 1.25rem;
}

.ui-status-badge {
    font-size: 0.75rem;
    padding: 0.35rem 0.55rem;
}

.ui-remote-table-wrapper {
    max-height: calc(100vh - 320px);
    overflow: auto;
}

.ui-remote-table-wrapper table {
    margin-bottom: 0;
}

.ui-remote-table-footer {
    position: sticky;
    bottom: 0;
    z-index: 2;
    background: var(--ui-surface);
    border-top: 1px solid #dee2e6;
    padding: 0.75rem 1rem;
}

.ui-kpi-title {
    font-size: 0.82rem;
    color: var(--ui-muted);
    margin-bottom: 0.35rem;
    line-height: 1.2;
}

.ui-kpi-value {
    color: var(--ui-heading);
    font-size: 1.95rem;
    font-weight: 700;
    line-height: 1;
    letter-spacing: 0.01em;
}

.ui-chart {
    width: 100%;
    height: 250px;
}

.ui-chart-sm {
    width: 100%;
    height: 220px;
}

.ui-tab-links.nav-tabs .nav-link {
    white-space: nowrap;
}

.ui-copy-code {
    padding: 0.1rem 0.35rem;
    font-size: 0.75rem;
    vertical-align: middle;
}

.ui-payment-card {
    cursor: pointer;
    transition: border-color 0.15s ease, box-shadow 0.15s ease, transform 0.15s ease;
}

.ui-payment-card.is-selected,
.ui-payment-card.border-primary {
    box-shadow: var(--ui-shadow-sm);
}

.ui-payment-card:hover {
    transform: translateY(-1px);
}

.ui-list-meta {
    line-height: 1.35;
}

.ui-verify-code {
    background: var(--bs-warning-bg-subtle, #fff3cd);
    padding: 0.15rem 0.4rem;
    border-radius: 6px;
    font-weight: 600;
}

.dataTables_wrapper .datatable-header .dataTables_filter input,
.dataTables_wrapper .datatable-footer .dataTables_length select {
    border-radius: var(--ui-radius);
}

@media (max-width: 767.98px) {
    .ui-filter-toolbar .stats-filter-control {
        max-width: 100%;
    }

    .ui-card-header {
        flex-direction: column;
        align-items: flex-start;
    }
}