- Add dropdown menu on profile icon with navigation options
- Create separate tracking pages for Nicotine and Marijuana
- Add interactive usage trend graphs using recharts
- Update Log Usage button to prompt for substance selection each time
- Update calendar to show different colors:
- Gray: No usage
- Red: Nicotine only
- Green: Marijuana only
- Split red/green: Both substances
- Add substance-specific stats cards on dashboard
- Add inspirational message "One day at a time..." on tracking pages
- Show both substance counts in calendar day cells
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
