Main sections navigate to /admin (15 pages)
Detail/edit pages navigate to parent lists (16 pages)
All pages use useBackButton hook with proper navigation paths
Native Telegram back button in Mini App, UI button on web
Email template pages keep UI-only back buttons as required
- AdminPromocodes, AdminCampaigns, AdminPromoGroups, AdminTariffs, AdminServers
- Use flex-col on mobile, flex-row on desktop (sm:)
- Button now appears below header on small screens
- Prevents text wrapping in buttons
- Create AdminPromocodeStats.tsx with responsive mobile layout
- Add route /admin/promocodes/:id/stats
- Fix mobile layout in AdminPromocodes.tsx (badges and buttons no longer overlap)
- Remove PromocodeStatsModal component
- Add AdminPromocodeCreate page for creating/editing promocodes
- Add AdminPromoGroups page for listing discount groups
- Add AdminPromoGroupCreate page for creating/editing discount groups
- Move promo groups from Promocodes section to separate admin section
- Simplify AdminPromocodes by removing embedded modals and groups tab
- Add routes and navigation for new pages
- Add i18n keys for all 4 locales (ru, en, zh, fa)
Major changes:
- Redesign cabinet with Linear-style components and top navigation
- Replace detail modals with dedicated pages (users, broadcasts, email templates)
- Add email channel support for broadcasts
- Remove pull-to-refresh, improve drag-and-drop on touch devices
- Fix Telegram Mini App: fullscreen, back button, scroll restoration
- Unify admin pages color scheme to design system
- Mobile-first improvements: horizontal tabs for settings, better touch targets
