- Add user-scalable=no and interactive-widget=overlays-content to viewport meta tag
- Implement iOS viewport height fixes to prevent keyboard-related layout shifts
- Use dynamic viewport height (100dvh) for better mobile support
- Add fixed positioning and overflow controls to prevent viewport changes
- Enable scrolling only within #app container for better UX
- Notifications and toasts now appear higher than dialogs when appearing together
- Standardized dialog z-index
- Added documentation for z-index guide
- Add unified .dialog-overlay and .dialog classes to tailwind.css
- Remove duplicated dialog styles from 9 Vue components
- Standardize z-index to 50 for all dialogs
- Preserve special cases: FeedFilters (z-index: 100), PhotoDialog (camera styles)
- Eliminate ~200 lines of duplicated CSS code
- Updated ContactNameDialog from using getter methods to direct CSS classes
- Improve maintainability with single source of truth for dialog styling