- Reduced the height of the application logo on guest pages (login/register) from h-20 (80px) to h-12 (48px).
- This addresses the user's feedback that the logo was too large on pre-login pages.
- Add 'Skip to main content' links to App and Guest layouts.
- Add aria-current to navigation links for active page indication.
- Add aria-label to mobile menu button.
- Include pending UI updates for Dashboard and Welcome pages with improved structure.
