.jumbotron {
    background: linear-gradient(135deg, #6a11cb 0%, #2575fc 100%);
    color: white;
    padding: 1rem 2rem;
    margin-bottom: 2rem;
    border-radius: 0;
}
.card {
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    margin-bottom: 1.5rem;
    transition: transform 0.3s;
}
.card:hover {
    transform: translateY(-5px);
}
.hljs {
    border-radius: 5px;
    padding: 1rem;
}
.nav-pills .nav-link.active {
    background-color: #0d6efd;
}

.example-box {
    background-color: #f8f9fa;
    border-left: 4px solid #0d6efd;
    padding: 1rem;
    margin: 1rem 0;
    border-radius: 0 5px 5px 0;
}
.comparison-table th, .comparison-table td {
    text-align: center;
}
.comparison-table .correct {
    background-color: #d4edda;
}
.comparison-table .incorrect {
    background-color: #f8d7da;
}
.array-visual {
    border: 2px solid #dee2e6;
    border-radius: 5px;
    padding: 1rem;
    margin: 1rem 0;
    background-color: #f8f9fa;
}
.array-index {
    display: inline-block;
    width: 30px;
    text-align: center;
    font-weight: bold;
    color: #6c757d;
}
.array-element {
    display: inline-block;
    margin: 5px;
    padding: 5px 10px;
    background-color: #e9ecef;
    border-radius: 3px;
    border: 1px solid #ced4da;
}
.interactive-demo {
    background-color: #e9ecef;
    padding: 1.5rem;
    border-radius: 5px;
    margin: 1.5rem 0;
}
.data-type-badge {
    display: inline-block;
    padding: 0.25rem 0.5rem;
    border-radius: 0.25rem;
    font-size: 0.75rem;
    font-weight: bold;
    margin-right: 0.5rem;
}
.badge-string { background-color: #0dcaf0; color: black; }
.badge-number { background-color: #198754; color: white; }
.badge-boolean { background-color: #ffc107; color: black; }
.badge-null { background-color: #6c757d; color: white; }
.badge-object { background-color: #fd7e14; color: white; }
.badge-array { background-color: #6f42c1; color: white; }