--- description: Provides additional guidelines for HTMX development, focusing on semantic HTML, security, extensions, progressive enhancement, and server-side templating. globs: **/*.html --- - Use semantic HTML5 elements - Implement proper CSRF protection - Utilize HTMX extensions when needed - Use hx-boost for full page navigation - Implement proper error handling - Follow progressive enhancement principles - Use server-side templating (e.g., Jinja2, Handlebars)