<!DOCTYPE html>
<html>
<head><title>{title}</title>
<style>
body {{ font-family: system-ui, sans-serif; max-width: 600px; margin: 50px auto; padding: 20px; }}
h1 {{ color: #333; }}
a {{ color: #4CAF50; }}
</style>
</head>
<body>
<h1>{title}</h1>
{version_html}
{desc_html}
<p><a href="{docs_url}">API Documentation (Swagger UI)</a></p>
</body>
</html>
