:root {
    --brand-dark: #1B3A5C;
    --brand-medium: #2E6DA4;
    --brand-light: #5B9BD5;
    --brand-bg: #F0F4F8;
    --success: #10B981;
    --danger: #EF4444;
    --warning: #F59E0B;
    --neutral: #64748B;
}

/* Animations */
@keyframes spin {
    to { transform: rotate(360deg); }
}

@keyframes shimmer {
    0% { background-position: -200% 0; }
    100% { background-position: 200% 0; }
}

@keyframes slideDown {
    from { opacity: 0; transform: translate(-50%, -20px); }
    to { opacity: 1; transform: translate(-50%, 0); }
}

/* Loading skeleton */
.skeleton {
    background: linear-gradient(90deg, #e2e8f0 25%, #f1f5f9 50%, #e2e8f0 75%);
    background-size: 200% 100%;
    animation: shimmer 1.5s infinite;
    border-radius: 4px;
    color: transparent !important;
}

/* Refresh spinner */
.spinning {
    animation: spin 1s linear infinite;
}

/* Toast animation */
#toast-error:not(.hidden) {
    animation: slideDown 0.3s ease-out;
}

/* KPI cards hover */
.kpi-card {
    transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.kpi-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(27, 58, 92, 0.1);
}

/* Table rows */
#table-na tr:hover,
#table-hoje tr:hover {
    background-color: var(--brand-bg);
}

/* Filter inputs focus glow */
#filters-bar input:focus,
#filters-bar select:focus {
    box-shadow: 0 0 0 3px rgba(91, 155, 213, 0.2);
}

/* Scrollbar styling */
::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}

::-webkit-scrollbar-track {
    background: transparent;
}

::-webkit-scrollbar-thumb {
    background: #cbd5e1;
    border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
    background: #94a3b8;
}

/* Print styles */
@media print {
    header, #filters-bar, #btn-refresh, #countdown, footer {
        display: none !important;
    }
    body {
        background: white !important;
    }
    .kpi-card, section {
        break-inside: avoid;
        box-shadow: none !important;
        border: 1px solid #e2e8f0 !important;
    }
}