- Replace tabs with select dropdown on mobile devices for better UX
- Add responsive Layout.Header for mobile with proper styling
- Implement hybrid CSS approach: static styles in CSS, dynamic in inline
- Add mobile-specific select styling with transparent background
- Remove unused CaretDownOutlined import, use EllipsisOutlined for dropdown
- Optimize mobile header layout with compact zoom controls
- Separate mobile and desktop rendering logic for better maintainability
- Add CSS class for mobile project header with proper positioning
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