- Replace custom sidebar/icon nav with standard tabs_nav macro - Add horizontal scroll for mobile (overflow-x-auto) - Reduce tab spacing on mobile (space-x-4 vs space-x-8 on desktop) - Content panels now take full width below tabs 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>