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- Add accent color overrides for light mode (better contrast on white bg) - Add light-mode-specific styles for messages, buttons, type badges - Document why CSS is ~12KB vs the original ~5KB target (all rules active) - safe-area-inset and tablet breakpoint already verified present Closes leeworks-agents/gitea-mobile#119 Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>