Changed width breakpoint from md to lg to match when the grid switches
to 2 columns. This prevents overflow on medium-width screens where the
container was 650px wide but still showing 1-column layout.
Now:
- Below lg: 100% width, 1 column
- At lg+: 650px width, 2 columns
🤖 Generated with [Claude Code](https://claude.com/claude-code)
Co-Authored-By: Claude <noreply@anthropic.com>