/* Variables de Diseño Moderno */
:root {
    --primary-color: #1e3a8a;
    --primary-hover: #1e40af;
    --secondary-color: #0d9488;
    --secondary-hover: #0f766e;
    --accent-color: #f59e0b;
    --bg-light: #fafafa;
    --bg-card: #ffffff;
    --text-main: #0f172a;
    --text-muted: #64748b;
    --border-color: #e2e8f0;
}

body {
    background-color: var(--bg-light);
    color: var(--text-main);
    font-family: 'Outfit', 'Inter', 'Roboto', sans-serif;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* Scrollbar Personalizada */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}
::-webkit-scrollbar-track {
    background: var(--bg-light);
}
::-webkit-scrollbar-thumb {
    background: #cbd5e1;
    border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
    background: #94a3b8;
}

/* Encabezado y Barra de Navegación */
.navbar {
    background: linear-gradient(135deg, #0f172a 0%, #1e3a8a 100%);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    padding: 0.75rem 1rem !important;
}
.navbar-brand {
    font-weight: 700;
    letter-spacing: 0.5px;
}
.navbar-nav .nav-link {
    color: rgba(255, 255, 255, 0.8) !important;
    font-size: 0.95rem;
    font-weight: 500;
    padding: 0.5rem 1rem !important;
    border-radius: 0.5rem;
    transition: all 0.2s ease;
}
.navbar-nav .nav-link:hover, 
.navbar-nav .nav-link.active {
    color: #ffffff !important;
    background-color: rgba(255, 255, 255, 0.1);
}
.navbar-nav .nav-link.active {
    border-bottom: 2px solid var(--accent-color);
    border-radius: 0.5rem 0.5rem 0 0;
}
.dropdown-menu {
    background-color: #ffffff !important;
    border: 1px solid var(--border-color) !important;
    box-shadow: 0 10px 25px rgba(0,0,0,0.1) !important;
    border-radius: 0.75rem;
    padding: 0.5rem;
}
.dropdown-item {
    border-radius: 0.5rem;
    padding: 0.5rem 1rem;
    color: var(--text-main) !important;
    font-weight: 500;
    transition: all 0.2s ease;
}
.dropdown-item:hover {
    background-color: var(--bg-light) !important;
    color: var(--primary-color) !important;
}

/* Tarjetas (Cards) */
.card {
    background-color: var(--bg-card);
    border: none;
    border-radius: 0.85rem;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05), 0 2px 4px -2px rgba(0, 0, 0, 0.05);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.card-header {
    background-color: transparent;
    border-bottom: 1px solid var(--border-color);
    font-weight: 600;
    padding: 1.25rem 1.5rem;
}

/* Formularios Modernos */
.form-control, .form-select {
    border: 1px solid var(--border-color);
    border-radius: 0.5rem;
    padding: 0.625rem 0.85rem;
    font-size: 0.95rem;
    color: var(--text-main);
    background-color: #ffffff;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}
.form-control:focus, .form-select:focus {
    border-color: var(--secondary-color);
    box-shadow: 0 0 0 0.25rem rgba(13, 148, 136, 0.15);
    color: var(--text-main);
}
.form-label, label {
    font-weight: 600;
    font-size: 0.875rem;
    color: var(--primary-color);
    margin-bottom: 0.375rem;
}

/* Botones Modernos */
.btn {
    border-radius: 0.5rem;
    padding: 0.625rem 1.25rem;
    font-weight: 500;
    transition: all 0.2s ease;
}
.btn-primary {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
}
.btn-primary:hover {
    background-color: var(--primary-hover);
    border-color: var(--primary-hover);
    transform: translateY(-1px);
}
.btn-success {
    background-color: var(--secondary-color);
    border-color: var(--secondary-color);
}
.btn-success:hover {
    background-color: var(--secondary-hover);
    border-color: var(--secondary-hover);
    transform: translateY(-1px);
}
.btn-warning {
    color: #ffffff;
    background-color: var(--accent-color);
    border-color: var(--accent-color);
}
.btn-warning:hover {
    color: #ffffff;
    background-color: #d97706;
    border-color: #d97706;
    transform: translateY(-1px);
}

/* Tablas */
table th {
    background-color: #1e293b !important;
    color: #ffffff !important;
    font-weight: 600;
    text-transform: uppercase;
    font-size: 0.8rem;
    letter-spacing: 0.5px;
    padding: 1rem 0.75rem !important;
    border: none !important;
}
table>tbody>tr>td {
    vertical-align: middle !important;
    padding: 0.85rem 0.75rem !important;
    border-bottom: 1px solid var(--border-color) !important;
    font-size: 0.9rem;
}
table.table-striped tbody tr:nth-of-type(odd) {
    background-color: rgba(241, 245, 249, 0.5) !important;
}
table.table-hover tbody tr:hover {
    background-color: rgba(241, 245, 249, 1) !important;
    color: var(--text-main) !important;
}

/* Breadcrumbs */
.breadcrumb {
    background-color: #f1f5f9;
    padding: 0.75rem 1rem;
    border-radius: 0.5rem;
    margin-bottom: 1.5rem;
}
.breadcrumb-item a {
    color: var(--secondary-color);
    text-decoration: none;
    font-weight: 500;
}
.breadcrumb-item a:hover {
    text-decoration: underline;
}

/* Alineaciones para DataTable */
.dt-buttons.btn-group {
    margin-bottom: 1rem;
}

/* Modales */
.modal-content {
    border: none;
    border-radius: 1rem;
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
}
.modal-header {
    border-bottom: 1px solid var(--border-color);
    background-color: var(--bg-light);
    border-top-left-radius: 1rem;
    border-top-right-radius: 1rem;
}
.modal-footer {
    border-top: 1px solid var(--border-color);
}

/* Anulación de estilos oscuros heredados en inputs, selects y textareas */
.form-control, .form-select, select, input, textarea {
    background-color: #ffffff !important;
    color: var(--text-main) !important;
    border: 1px solid var(--border-color) !important;
}
.form-control:focus, .form-select:focus, select:focus, input:focus, textarea:focus {
    background-color: #ffffff !important;
    color: var(--text-main) !important;
    border-color: var(--secondary-color) !important;
    box-shadow: 0 0 0 0.25rem rgba(13, 148, 136, 0.15) !important;
}