npx @tailwindcss/upgrade

package.json

@@ -14,7 +14,6 @@
     "@radix-ui/react-popover": "^1.1.6",
     "@radix-ui/react-select": "^2.1.6",
     "@radix-ui/react-slot": "^1.1.2",
-    "autoprefixer": "^10.4.19",
     "class-variance-authority": "^0.7.0",
     "clsx": "^2.1.1",
     "cssnano": "^7.0.1",
@@ -33,6 +32,7 @@
     "zod": "^3.24.2"
   },
   "devDependencies": {
+    "@tailwindcss/postcss": "^4.1.6",
     "@types/node": "22.15.17",
     "@types/react": "19.1.3",
     "@types/react-dom": "19.1.3",
@@ -40,7 +40,7 @@
     "eslint-config-next": "15.3.2",
     "eslint-config-prettier": "10.1.5",
     "postcss": "8.5.3",
-    "tailwindcss": "3.4.17",
+    "tailwindcss": "^4.1.6",
     "turbo": "2.5.3",
     "typescript": "5.8.3"
   },