Base class architecture improvements:
- Centralize all panel layout, styling, and behavior in ControlBase
- Implement consistent generateContent() pattern for subclasses
- Add proper flexbox layout with fixed header and scrollable content
- Standardize title styling, positioning, and scroll behavior
Panel layout fixes:
- Fix content positioning to appear inside panels instead of floating above
- Implement proper height management (expands with content up to browser height)
- Add correct scroll boundaries with only content area scrolling
- Position resize handle outside scroll area to avoid scrollbar interference
Visual improvements:
- Fix rounded border appearance with proper overflow handling
- Ensure header respects panel corner radius
- Add proper content margins and padding
- Improve resize handle positioning and visibility
Architecture standardization:
- All panels now follow same base class pattern
- Individual panels only provide configuration and content generation
- Eliminate duplicate styling and layout code across controls
- Consistent behavior across all panel types
🤖 Generated with [Claude Code](https://claude.ai/code)
Co-Authored-By: Claude <noreply@anthropic.com>
tegwick
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