- Remove gradient heading in OverviewClient (violet-to-cyan gradient replaced with plain bold text)
- Remove hardcoded dark navy backgrounds from activity items (replaced with Card + Separator list)
- Stat cards now use shadcn CardHeader/CardContent pattern with small icons + big number
- Sidebar logo: replace violet text with violet pill icon + plain foreground text
- Active nav item: use bg-primary/10 text-primary (subtle violet tint) instead of bg-accent
- Move theme toggle + sign out into sidebar footer row (no more floating top-right toggle)
- Mobile header brand name: remove text-primary, use plain font-semibold
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
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