Index: frontend/package.json
===================================================================
--- frontend/package.json	(revision 72053b5fc3ff291757af1cdd64e8fdfcb9e9b17d)
+++ frontend/package.json	(revision a98dbb7b453f5efb3247344068788ff433d8dd90)
@@ -18,11 +18,16 @@
   "devDependencies": {
     "@eslint/js": "^9.39.1",
+    "@tailwindcss/cli": "^4.1.18",
+    "@tailwindcss/postcss": "^4.1.18",
     "@types/react": "^19.2.5",
     "@types/react-dom": "^19.2.3",
     "@vitejs/plugin-react": "^5.1.1",
+    "autoprefixer": "^10.4.24",
     "eslint": "^9.39.1",
     "eslint-plugin-react-hooks": "^7.0.1",
     "eslint-plugin-react-refresh": "^0.4.24",
     "globals": "^16.5.0",
+    "postcss": "^8.5.6",
+    "tailwindcss": "^4.1.18",
     "vite": "^7.2.4"
   }