- Standardized h2 elements: 19 instances from text-3xl/text-xl to text-2xl
- Standardized h3 elements: 4 instances from text-2xl to text-xl
- Established consistent hierarchy: h1(text-3xl), h2(text-2xl), h3(text-xl)
- Preserved special cases: demo pages, responsive patterns, stat value displays
- Created standardization plan document
- Task 7.1.2.3 complete
- Created dedicated Notifications page with full notification management
- Added notification service with API integration (get, mark as read, mark all as read)
- Added filtering by status (all/unread/read) and type (message/track/mention/system/etc)
- Added mark as read functionality for individual notifications
- Added mark all as read functionality
- Added notification type icons and labels
- Added notification timestamps with relative time formatting
- Added notification links support for navigation
- Added empty states for no notifications
- Added loading and error states
- Integrated with backend notification APIs
- Added route /notifications to router
- Added lazy loading for NotificationsPage component
- Added visual distinction for unread notifications (badge, background)
- Added notification type badges
- Created dedicated Search page with unified search interface
- Added search functionality for tracks, playlists, and users
- Implemented tabs for filtering results by type (All/Tracks/Playlists/Users)
- Added search query debouncing for performance
- Added URL query parameter synchronization (q, type)
- Added pagination for each result type
- Added empty states for no query and no results
- Added loading states for all search operations
- Added error handling for search failures
- Integrated with existing search APIs (tracks, playlists, users)
- Added search service for user search API
- Added route /search to router
- Added lazy loading for SearchPage component
- Added result previews in All tab (6 items per type)
- Added View All buttons to navigate to specific tabs
