refactor: update UI components and styles for improved consistency and functionality

- Refactored Skeleton component to include data-slot attribute and updated class names.
- Enhanced Switch component with size prop and improved styling.
- Updated Tooltip components to include data-slot attributes and improved styling.
- Refactored global CSS to use custom properties for theming and improved dark mode support.
- Added useIsMobile hook for responsive design handling.
- Updated IPC link implementation for tRPC in Electron.
- Adjusted ProjectsPage layout for better responsiveness.
- Removed outdated Tailwind configuration file and integrated Tailwind CSS with Vite.

package.json

@@ -33,29 +33,20 @@
     "@typescript-eslint/eslint-plugin": "^5.62.0",
     "@typescript-eslint/parser": "^5.62.0",
     "@vitejs/plugin-react": "^5.1.4",
-    "autoprefixer": "^10.4.24",
     "drizzle-kit": "^0.31.9",
     "electron": "40.6.0",
     "eslint": "^8.57.1",
     "eslint-import-resolver-typescript": "^4.4.4",
     "eslint-plugin-import": "^2.32.0",
     "postcss": "^8.5.6",
-    "tailwindcss": "^3.4.19",
+    "shadcn": "^3.8.5",
+    "tailwindcss": "^4.2.0",
     "typescript": "^5.9.3",
     "vite": "^5.4.21"
   },
   "dependencies": {
     "@fontsource/geist": "^5.2.8",
-    "@radix-ui/react-alert-dialog": "^1.1.15",
-    "@radix-ui/react-collapsible": "^1.1.12",
-    "@radix-ui/react-dialog": "^1.1.15",
-    "@radix-ui/react-dropdown-menu": "^2.1.16",
-    "@radix-ui/react-select": "^2.2.6",
-    "@radix-ui/react-separator": "^1.1.8",
-    "@radix-ui/react-slot": "^1.2.4",
-    "@radix-ui/react-switch": "^1.2.6",
-    "@radix-ui/react-tooltip": "^1.2.8",
-    "@radix-ui/react-visually-hidden": "^1.2.4",
+    "@tailwindcss/vite": "^4.2.0",
     "@tanstack/react-query": "^5.90.21",
     "@tanstack/react-router": "^1.161.1",
     "@trpc/client": "^11.10.0",
@@ -67,9 +58,9 @@
     "drizzle-orm": "^0.45.1",
     "electron-squirrel-startup": "^1.0.1",
     "electron-store": "^8.2.0",
-    "electron-trpc": "^0.7.1",
     "framer-motion": "^12.34.2",
     "lucide-react": "^0.575.0",
+    "radix-ui": "^1.4.3",
     "react": "^19.2.4",
     "react-dom": "^19.2.4",
     "tailwind-merge": "^3.5.0",