- Add group overlay color and opacity settings
- Add font customization (body and heading fonts)
- Add group description text color control
- Add option to hide 'Groups' title
- Update frontend DesignSettings interface
- Update CustomizationPanel with new UI controls
- Update Django model with new fields
- Create migration for new customization options
- Update DRF serializer with validation
Andrey K. Choi
92e2854575