Bug Fixes
- Page title translation - Fixed title reverting to "Lista Zakupow" after data sync (push/pull)
New Features
- Delete all bought items - New button in Settings > Shopping list tab to remove all completed items at once
- Settings tabs - Settings modal now has two tabs: Account (language settings) and Shopping list (list management)
- Offline protection - Delete action is blocked when offline
Translations
- Added translations for all 6 supported languages (PL, EN, DE, ES, FR, PT)