UI: refresh dashboard design system (#1786)
* UI: refresh dashboard design system
- Typography: swap Inter for Space Grotesk (geometric, techy)
- Colors: punchier accent red, add teal secondary, warmer darks
- Cards: better shadows, hover lift effect, increased padding
- Stats: uppercase labels, larger bold values
- Buttons: hover lift micro-interaction, glow on primary
- Status dots: glow effects and subtle pulse animation
- Callouts: gradient backgrounds for depth
- Navigation: active state accent bar indicator
- Layout: more breathing room, bolder page titles
* UI: remove nav active bar indicator
* UI: hide nav scrollbar, remove nav border
* fix: add changelog entry for dashboard refresh (#1786) (thanks @mousberg)
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Co-authored-by: Peter Steinberger <steipete@gmail.com>
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