Add home navigation button and improve account page UI

Enhances the account page navigation by adding a "Back to home" button and improving the overall user experience with better visual hierarchy and navigation flow.

Changes:
- Add home navigation button to account page with green icon
- Update logout button styling with red icon for visual emphasis
- Improve settings button label clarity
- Fix settings cancel button to navigate back to account page
- Increase account icon size in page header
- Update translation keys for consistency across EN/HR

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <noreply@anthropic.com>

app/ui/PageHeader.tsx

@@ -19,7 +19,7 @@ export const PageHeader = () => {
         <SelectLanguage />
         {isRestrictedPage && (
             <Link href={`/${locale}/home/account/`} className="btn btn-ghost btn-circle">
-                <AccountCircle  />
+                <AccountCircle fontSize="large" />
             </Link>
         )}
     </div>