- Unified CSS variable naming convention across all HTML prototypes
- Fixed --surface-* variables to use design-system.css standards:
* --surface-primary → --background-primary
* --surface-secondary → --card-background
* --surface-tertiary → --background-secondary
- Resolved color contrast issues in Character Details and other UI components
- Added enterprise-grade design system v4.0 with WCAG 2.1 AA compliance
- Implemented mobile-first responsive design for 5 prototype screens
- Archived legacy dramaling-ui.css to maintain version control
- Enhanced component showcase with comprehensive UI library
🤖 Generated with [Claude Code](https://claude.ai/code)
Co-Authored-By: Claude <noreply@anthropic.com>
