Google Authentication Test
Test Instructions:
- Check the debug information above
- Click "Test Google Sign-in" button
- Allow popups if prompted
- Check for detailed error messages
- Look at browser console for additional logs
Common Issues:
- auth/unauthorized-domain: Domain not in OAuth config
- auth/operation-not-allowed: Google provider not enabled
- auth/popup-blocked: Browser blocking popup
- auth/invalid-api-key: Wrong Firebase API key