- Update `isSidebarOpen` initial state from true to false in `sidebar.tsx`.
- Ensure the sidebar starts in a mini/collapsed mode when the dashboard is first loaded to provide more space for the main content.
- Sync `MobileNav` items and icons with desktop `Sidebar` for consistency.
- Standardize menu icons using `lucide-react` across all navigation components.
- Add a spacer div in `main-layout.tsx` to ensure proper bottom spacing between content and the fixed footer.
- Remove redundant 'aria-hidden' attribute in `MobileNav` to fix accessibility warnings.
- Fix 'Logout' button layout in mobile menu for better responsiveness.
- Create a new `Sidebar` component for desktop with collapse/mini-sidebar feature.
- Rename `navbar.tsx` to `mobile-header.tsx` to better reflect its mobile-specific purpose.
- Synchronize icons (from lucide-react) and menu labels between desktop `Sidebar` and touch-based `MobileNav`.
- Fix 'Logout' button sizing in the mobile menu by removing forced margins for better responsiveness on narrow screens.
- Remove conflicting 'aria-hidden' attribute in MobileNav to resolve browser accessibility (a11y) warnings.
- Add a spacer in `main-layout.tsx` to prevent the bottom content from being overlapped by the fixed Footer.