Enhance navigation and UI components for improved user experience

- Added new AppHeader and BottomNav components for better navigation across the application.
- Introduced AreaTabs for product area navigation and integrated RoleSwitcher for user role management.
- Created CartButton component to display cart status and item count.
- Implemented UserMenu with login/logout functionality and user greeting.
- Added Badge component for notifications and status indicators.
- Updated layout to accommodate new navigation components and ensure mobile responsiveness.
- Created product detail demo page to showcase design patterns and features.
- Enhanced existing components with improved styling and functionality.

tailwind.config.ts

@@ -65,7 +65,19 @@ export default {
         red: '#E40521',
 
         // Purple Variants (Background)
+        'experimenta-purple': '#2e1065',
         purple: {
+          50: '#f5f3ff',
+          100: '#ede9fe',
+          200: '#ddd6fe',
+          300: '#c4b5fd',
+          400: '#a78bfa',
+          500: '#8b5cf6',
+          600: '#7c3aed',
+          700: '#6d28d9',
+          800: '#5b21b6',
+          900: '#4c1d95',
+          950: '#2e1065',
           dark: '#2e1065',
           deeper: '#1a0a3a',
           darkest: '#0f051d',