body {
    background-color: #f8f9fa;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

.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: #fff;
    border-bottom: 1px solid #dee2e6;
    font-weight: 600;
}

.navbar-brand {
    font-weight: 600;
}

.progress {
    height: 20px;
}

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

.badge {
    font-size: 0.75em;
}

/* Colores personalizados */
.bg-success { background-color: #28a745 !important; }
.bg-info { background-color: #17a2b8 !important; }
.bg-warning { background-color: #ffc107 !important; color: #000 !important; }
.bg-danger { background-color: #dc3545 !important; }

/* Responsive */
@media (max-width: 768px) {
    .card-body {
        padding: 1rem;
    }
    
    .table-responsive {
        font-size: 0.875rem;
    }
}