/* Estilos personalizados para Transporte Escolar */

:root {
    --primary-color: #007bff;
    --secondary-color: #6c757d;
    --success-color: #28a745;
    --danger-color: #dc3545;
    --warning-color: #ffc107;
    --info-color: #17a2b8;
    --light-color: #f8f9fa;
    --dark-color: #343a40;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: #f5f5f5;
}

.sidebar {
    position: fixed;
    top: 0;
    bottom: 0;
    left: 0;
    z-index: 100;
    padding: 48px 0 0;
    box-shadow: inset -1px 0 0 rgba(0, 0, 0, .1);
}

.sidebar-sticky {
    position: relative;
    top: 0;
    height: calc(100vh - 48px);
    padding-top: .5rem;
    overflow-x: hidden;
    overflow-y: auto;
}

.navbar-brand {
    padding-top: .75rem;
    padding-bottom: .75rem;
    font-size: 1rem;
    background-color: rgba(0, 0, 0, .25);
    box-shadow: inset -1px 0 0 rgba(0, 0, 0, .25);
}

.navbar .navbar-toggler {
    top: .25rem;
    right: 1rem;
}

.card {
    box-shadow: 0 0.125rem 0.25rem rgba(0, 0, 0, 0.075);
    border: 1px solid rgba(0, 0, 0, 0.125);
}

.card-header {
    background-color: rgba(0, 0, 0, 0.03);
    border-bottom: 1px solid rgba(0, 0, 0, 0.125);
}

.btn {
    border-radius: 0.25rem;
    font-weight: 500;
}

.table th {
    border-top: none;
    font-weight: 600;
    color: #495057;
}

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

.modal-header {
    background-color: var(--light-color);
    border-bottom: 1px solid #dee2e6;
}

.modal-footer {
    background-color: var(--light-color);
    border-top: 1px solid #dee2e6;
}

/* Responsive */
@media (max-width: 767.98px) {
    .sidebar {
        top: 5rem;
    }
}

/* Mapa */
#mapa-rutas {
    border-radius: 0.5rem;
}

/* Loading */
.loading {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid rgba(255,255,255,.3);
    border-radius: 50%;
    border-top-color: #fff;
    animation: spin 1s ease-in-out infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* Estadísticas */
.stat-card {
    transition: transform 0.2s;
}

.stat-card:hover {
    transform: translateY(-2px);
}

/* Formularios */
.form-control:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.2rem rgba(0, 123, 255, 0.25);
}

/* Botones de acción */
.btn-action {
    padding: 0.25rem 0.5rem;
    font-size: 0.875rem;
}

/* Tablas responsive mejoradas */
@media screen and (max-width: 768px) {
    .table-responsive table {
        font-size: 0.875rem;
    }
    
    .table-responsive .btn {
        font-size: 0.75rem;
        padding: 0.25rem 0.5rem;
    }
}