- New MobileTabBar component with Home, Search, and Account tabs
- Animated indicator follows active tab (spring layoutId transition)
- Shown only below sm breakpoint where desktop nav links are hidden
- Account tab provides quick sign-out access
- Safe area padding for devices with home indicators
- Added bottom padding to layout to prevent content overlap
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
