.code-block {
    background-color: #282c34;
    color: #abb2bf;
    border-radius: 0.375rem;
    padding: 1rem;
    margin: 1rem 0;
    font-family: 'Courier New', monospace;
    font-size: 0.9rem;
    overflow-x: auto;
}

.code-block code {
    background: none;
    padding: 0;
}

.nav-pills .nav-link.active {
    background-color: #0d6efd;
}

.card {
    transition: transform 0.3s;
    margin-bottom: 1.5rem;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0,0,0,0.1);
}

.syntax-box {
    background-color: #f8f9fa;
    border-left: 4px solid #0d6efd;
    padding: 1rem;
    margin: 1rem 0;
    border-radius: 0.25rem;
}

.example-box {
    background-color: #e8f4fd;
    border-left: 4px solid #198754;
    padding: 1rem;
    margin: 1rem 0;
    border-radius: 0.25rem;
}

.tip-box {
    background-color: #fff9e6;
    border-left: 4px solid #ffc107;
    padding: 1rem;
    margin: 1rem 0;
    border-radius: 0.25rem;
}

.structure-diagram {
    background-color: #f0f8ff;
    padding: 1.5rem;
    border-radius: 0.5rem;
    margin: 1.5rem 0;
    text-align: center;
}

.structure-item {
    display: inline-block;
    padding: 0.5rem 1rem;
    margin: 0.5rem;
    background-color: #0d6efd;
    color: white;
    border-radius: 0.25rem;
    font-weight: bold;
}

.structure-arrow {
    font-size: 1.5rem;
    color: #0d6efd;
    margin: 0 0.5rem;
}

.comparison-table th {
    background-color: #f8f9fa;
}