Update

README.md

@@ -9,7 +9,11 @@ Enterprise-style Scrum Poker application using Go, Gin, and SSE for real-time ro
 - Real-time updates via Server-Sent Events (SSE)
 - Strict state sanitization: unrevealed votes from other users are never broadcast
 - Backend authorization for admin-only actions (`reveal`, `reset`)
-- Win98-themed frontend with:
+- Themeable frontend with:
+  - CSS architecture split into `main.css`, `layout.css`, and `/themes/*`
+  - Theme options: `win98` (default), `modern`, `No Theme`
+  - Light/Dark mode independent from active theme
+  - Desktop taskbar controls + mobile top controls for theme/mode switching
   - Config page and card deck preview
   - Drag-and-drop card ordering
   - Card add/remove with animation completion handling
@@ -28,8 +32,11 @@ Enterprise-style Scrum Poker application using Go, Gin, and SSE for real-time ro
 - `src/middleware/`: static cache headers middleware
 - `src/models/`: template page data models
 - `src/templates/`: HTML templates (`index.html`, `room.html`)
-- `static/css/`: styles
-- `static/js/`: frontend logic (`config.js`, `room.js`)
+- `static/css/main.css`: shared component primitives
+- `static/css/layout.css`: grids/flex/positioning/responsive layout
+- `static/css/themes/`: drop-in theme files
+- `static/js/ui-controls.js`: global theme + mode engine
+- `static/js/`: page logic (`config.js`, `room.js`)
 
 ## Environment Variables