a {
    text-decoration: underline;
}

.code-block {
    position: relative;
    background-color: #2d2d2d;
    color: #f8f8f2;
    border-radius: 0.5rem;
    padding: 1rem;
    margin-bottom: 1.5rem;
    font-family: monospace;
    overflow-x: auto;
}

.code-block pre {
    margin: 0;
    white-space: pre-wrap;
}

.copy-btn {
    position: absolute;
    right: 0.75rem;
    top: 50%;
    transform: translateY(-50%);
    background: #3498db;
    border: none;
    color: white;
    padding: 0.25rem 0.5rem;
    border-radius: 0.25rem;
    cursor: pointer;
    font-size: 0.875rem;
}

.copy-btn:hover {
    background: #2980b9;
}

.writeup-img {
    display: block;
    margin: 0 auto;
    max-width: 90%;
    height: auto;
}

.writeup-card {
    background: #fff;
    border-radius: .5rem;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}