:root {
    --primary: #0f172a;
    --accent: #2563eb;
    --bg: #f8fafc;
    --card: #ffffff;
    --text: #1e293b;
}

body {
    background: var(--bg);
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
    color: var(--text);
}

/* Sidebar adjustments */
aside {
    z-index: 1000;
    transition: all 0.3s ease;
}

.nav-link {
    color: #64748b;
    font-weight: 500;
    border-radius: 8px !important;
    padding: 0.8rem 1rem;
}

.nav-link:hover {
    background: #f1f5f9;
    color: var(--accent);
}

.nav-link.active {
    background: var(--accent) !important;
    color: white !important;
}

/* Table Card */
.card {
    border: 1px solid #e2e8f0;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
}

.table thead {
    background: #f1f5f9;
    color: #475569;
}

.table thead th {
    font-weight: 600;
    text-transform: uppercase;
    font-size: 0.75rem;
    letter-spacing: 0.05em;
    padding: 1rem;
}

/* Responsive Table utilities */
@media (max-width: 767.98px) {
    main {
        padding-top: 1rem !important;
    }
    .page-title {
        font-size: 1.5rem;
    }
    /* Hace que los botones de acción no se amontonen */
    .btn-sm {
        padding: 0.4rem 0.6rem;
    }
}