.preview-box h1, .preview-box h2, .preview-box h3 {
    color: #0f172a;
    margin-top: 16px;
    margin-bottom: 8px;
}

.preview-box p {
    margin-bottom: 12px;
    line-height: 1.6;
    color: #334155;
}

.preview-box code {
    background: #f1f5f9;
    padding: 2px 6px;
    border-radius: 4px;
    font-family: monospace;
    font-size: 14px;
}

.preview-box pre {
    background: #1e293b;
    color: #f8fafc;
    padding: 14px;
    border-radius: 8px;
    overflow-x: auto;
}

.preview-box blockquote {
    border-left: 4px solid #2563eb;
    padding-left: 14px;
    color: #64748b;
    margin: 12px 0;
}

@media (max-width: 768px) {
    .editor-container {
        grid-template-columns: 1fr !important;
    }
}