- Increase nav item padding from 4px to 10px horizontal (qss.py) - Add left margin to toggle row so MENU button isn't flush against edge - Balance head section margins for project picker and new chat button - Add horizontal breathing room to scroll body containing nav items - Double _NAV_ROW_INSET from 4 to 8 for better visual separation Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>