feat(ui): Repeat xd-client UI with modern adaptive features

- Integrated Tailwind CSS v4 and Shadcn UI components from xd-client
- Adopted xd-client modern aesthetic (oklch, radial gradients, glassmorphism)
- Combined with modern adaptive 3-tier navigation logic
- Refactored all pages (Profile, Login, Settings, Messages, Schedule, Grades, Debts)
- Enhanced ThemeProvider with dynamic Material You palette generation
- Polished overall UX and animations

Refs #3
Co-Authored-By: Claude <noreply@anthropic.com>

tsconfig.app.json

@@ -1,25 +1,24 @@
 {
   "compilerOptions": {
+    "ignoreDeprecations": "6.0",
     "tsBuildInfoFile": "./node_modules/.tmp/tsconfig.app.tsbuildinfo",
     "target": "es2023",
     "lib": ["ES2023", "DOM", "DOM.Iterable"],
     "module": "esnext",
-    "types": ["vite/client"],
-    "skipLibCheck": true,
-
-    /* Bundler mode */
     "moduleResolution": "bundler",
-    "allowImportingTsExtensions": true,
-    "verbatimModuleSyntax": true,
-    "moduleDetection": "force",
-    "noEmit": true,
-    "jsx": "react-jsx",
-
-    /* Linting */
+    "types": ["vite/client"],
+    "strict": true,
     "noUnusedLocals": true,
     "noUnusedParameters": true,
-    "erasableSyntaxOnly": true,
-    "noFallthroughCasesInSwitch": true
+    "noFallthroughCasesInSwitch": true,
+    "noEmit": true,
+    "isolatedModules": true,
+    "skipLibCheck": true,
+    "baseUrl": ".",
+    "paths": {
+      "@/*": ["./src/*"]
+    },
+    "jsx": "react-jsx"
   },
   "include": ["src"]
 }