/* Estilos generales */
:root {
    --primary-color: #0d6efd;
    --secondary-color: #6c757d;
    --success-color: #198754;
    --danger-color: #dc3545;
    --warning-color: #ffc107;
    --info-color: #0dcaf0;
    --light-bg: #f8f9fa;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    background-color: var(--light-bg);
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    color: #333;
}

/* Navbar */
.navbar {
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.navbar-brand {
    font-size: 1.5rem;
    letter-spacing: 0.5px;
}

.nav-link {
    font-weight: 500;
    margin-right: 10px;
    transition: color 0.3s ease;
}

.nav-link:hover {
    color: var(--info-color) !important;
}

.nav-link i {
    margin-right: 5px;
}

/* Main content */
main {
    min-height: calc(100vh - 56px);
    padding: 20px 0;
}

/* Cards */
.card {
    border: none;
    border-radius: 10px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.card-title {
    font-weight: 600;
    color: #333;
}

/* Tables */
.table-responsive {
    width: 100% !important;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}

.table {
    background-color: white;
    border-collapse: collapse;
    width: 100%;
    table-layout: auto;
}

.table thead {
    background-color: #343a40;
    color: white;
}

.table th {
    font-weight: 600;
    border: none;
    padding: 12px;
}

.table td {
    padding: 12px;
    border-bottom: 1px solid #dee2e6;
}

.table tbody tr:hover {
    background-color: #f8f9fa;
}

/* Badges */
.badge {
    padding: 8px 12px;
    font-size: 0.9rem;
    font-weight: 500;
}

/* Display numbers */
.display-6 {
    color: var(--primary-color);
    font-weight: bold;
}

/* Forms */
.form-control, .form-select {
    border-radius: 6px;
    border: 1px solid #dee2e6;
    padding: 10px 12px;
}

.form-control:focus, .form-select:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.2rem rgba(13, 110, 253, 0.25);
}

/* Buttons */
.btn {
    border-radius: 6px;
    font-weight: 500;
    padding: 10px 16px;
    transition: all 0.3s ease;
}

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

.btn-primary:hover {
    background-color: #0b5ed7;
    border-color: #0b5ed7;
}

.btn-sm {
    padding: 6px 12px;
    font-size: 0.875rem;
}

/* Headings */
h1, h2, h3 {
    color: #333;
    font-weight: 600;
    margin-bottom: 10px;
}

.text-muted {
    color: #6c757d !important;
    font-size: 0.95rem;
}

/* Responsive */
@media (max-width: 768px) {
    .container-fluid {
        padding: 0 10px;
    }
    
    .table {
        font-size: 0.85rem;
    }
    
    .table th, .table td {
        padding: 8px;
    }
    
    .display-6 {
        font-size: 1.75rem;
    }
}

/* Alert */
.alert {
    border-radius: 6px;
    border: none;
}

/* Dropdown menu */
.dropdown-menu {
    border-radius: 6px;
    border: none;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.dropdown-item {
    padding: 10px 16px;
    transition: background-color 0.2s ease;
}

.dropdown-item:hover {
    background-color: var(--light-bg);
    color: var(--primary-color);
}

.dropdown-item.text-danger:hover {
    background-color: #f8d7da;
}

/* Botón de estado */
.btn-estado {
    background-color: #6c757d;
    color: white;
    border: none;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.btn-estado:hover:not(:disabled) {
    background-color: #5a6268;
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
}

.btn-estado:disabled {
    background-color: #28a745;
    color: white;
    cursor: not-allowed;
    opacity: 1;
}