/* Estilos personalizados del sistema */

:root {
    --primary-color: #0d6efd;
    --secondary-color: #6c757d;
    --success-color: #198754;
    --danger-color: #dc3545;
    --warning-color: #ffc107;
    --info-color: #0dcaf0;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: #f8f9fa;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

main {
    flex: 1;
}

/* Navbar */
.navbar-brand {
    font-weight: 600;
    font-size: 1.25rem;
}

.navbar-nav .nav-link {
    padding: 0.5rem 1rem;
    transition: background-color 0.2s;
}

.navbar-nav .nav-link:hover {
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: 0.25rem;
}

.dropdown-menu form.dropdown-item-form {
    margin: 0;
}
.dropdown-menu form.dropdown-item-form .dropdown-item:hover {
    background-color: rgba(0, 0, 0, 0.075);
}

/* Cards */
.card {
    border: none;
    box-shadow: 0 0.125rem 0.25rem rgba(0, 0, 0, 0.075);
    transition: box-shadow 0.15s ease-in-out;
}

.card:hover {
    box-shadow: 0 0.5rem 1rem rgba(0, 0, 0, 0.15);
}

/* Botones */
.btn {
    border-radius: 0.375rem;
    font-weight: 500;
}

.btn i {
    margin-right: 0.25rem;
}

/* Tablas */
.table {
    background-color: white;
}

.table thead {
    background-color: #f8f9fa;
}

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

/* Formularios */
.form-label {
    font-weight: 500;
    margin-bottom: 0.5rem;
}

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

/* Alerts */
.alert {
    border: none;
    border-radius: 0.5rem;
}

/* Footer */
footer {
    margin-top: auto;
}

/* Dashboard Cards */
.card.text-white {
    border-radius: 0.5rem;
}

.card.text-white .card-body {
    padding: 1.5rem;
}

/* Loading Spinner */
.spinner-border-sm {
    width: 1rem;
    height: 1rem;
}

/* Responsive */
@media (max-width: 768px) {
    .navbar-brand {
        font-size: 1rem;
    }
    
    .card-body {
        padding: 1rem;
    }
}