- Add env_file configuration to all services for automatic .env loading
- Enable consistent environment variable management across containers
- Support development, production, CLI, and test service configurations
- Maintain backward compatibility with existing environment overrides
- Fixed Bootstrap bg-dark class to use better contrasting color
- Added comprehensive text-muted contrast fixes for various contexts
- Improved dark theme colors for better accessibility
- Fixed CSS inheritance issues for code elements in dark contexts
- All color choices meet WCAG AA contrast requirements