- Add mobile-first responsive CSS to base.html
- Wrap all tables in .table-container for horizontal scrolling on mobile
- Add breakpoints for phones (576px), tablets (768px), desktops (992px, 1200px)
- Improve mobile navigation (vertical stack) and form layouts (full-width)
- Add print styles for clean printing
- Update project_management.html editor for mobile
- Document all changes in docs/RESPONSIVE_CSS.md
No backend or JavaScript changes - pure CSS solution.
For 5 internal technical users, this is simpler and more appropriate than
HTMX or SPA approaches. Solves mobile accessibility issue with minimal changes.
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