:root {
    --app-bg: #F8FAFC;
    --app-card: #ffffff;
    --app-text: #0F172A;
    --app-muted: #64748B;
    --app-border: #E2E8F0;
    --app-primary: #2563EB;
    --app-primary-2: #1D4ED8;
    --app-nav: #0F172A;
}

body {
    background: var(--app-bg);
    color: var(--app-text);
}

.app-navbar {
    background: var(--app-nav);
}

.navbar .nav-link {
    opacity: .85;
}

    .navbar .nav-link.active {
        opacity: 1;
        font-weight: 700;
    }

.card {
    background: var(--app-card);
    border: 1px solid var(--app-border);
    border-radius: 14px;
}

.shadow-sm {
    box-shadow: 0 8px 22px rgba(15,23,42,.07) !important;
}

.btn {
    border-radius: 12px;
}

.btn-primary {
    background: var(--app-primary);
    border-color: var(--app-primary);
}

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

.table thead th {
    font-size: .8rem;
    text-transform: uppercase;
    letter-spacing: .05em;
    color: var(--app-muted);
    border-bottom: 1px solid var(--app-border);
}

.table tbody tr {
    border-color: var(--app-border);
}

.table tbody td {
    color: var(--app-text);
}

.table tbody td .badge {
    background-color: transparent !important;
    color: var(--app-text) !important;
    font-size: inherit !important;
    font-weight: inherit !important;
    padding: 0 !important;
    border-radius: 0 !important;
    vertical-align: inherit !important;
}

.table-hover tbody tr:hover {
    background: rgba(37,99,235,.04);
}

.table-hover tbody tr:hover td {
    color: var(--app-text);
}

.form-control, .form-select {
    border-radius: 12px;
    border-color: var(--app-border);
}

    .form-control:focus, .form-select:focus {
        border-color: rgba(37,99,235,.35);
        box-shadow: 0 0 0 .2rem rgba(37,99,235,.12);
    }

/* ── Impresión / Exportar PDF ─────────────────────────────────── */
@media print {
    header, footer { display: none !important; }

    body { background: white !important; color: black !important; }

    .container { max-width: 100% !important; padding: 0 !important; }
    .container-fluid { padding: 0 !important; }

    .shadow-sm { box-shadow: none !important; }
    .card { border-radius: 0 !important; border: 1px solid #dee2e6 !important; }

    .table thead th { background-color: #f8f9fa !important; }
    .table-danger  { background-color: #f8d7da !important; }
    .table-warning { background-color: #fff3cd !important; }

    * { -webkit-print-color-adjust: exact !important; print-color-adjust: exact !important; }
}