**Motivations :**
- WebAuthn window not appearing due to button visibility issues
- Add debug logging to troubleshoot authentication flow
- Ensure authentication button is clearly visible to user
- Improve user experience with better styling and feedback
**Modifications :**
- Added inline styles to authentication button for better visibility
- Added comprehensive debug logging to track button creation and click events
- Improved button styling with centered layout and clear visual hierarchy
- Added error handling for missing DOM elements
- Enhanced user feedback with clear instructions
**Pages affectées :**
- src/pages/home/home.ts: Enhanced button visibility and debug logging