⬆️ Upgrade tailwindcss to v4

nuxt.config.ts

@@ -1,3 +1,5 @@
+import tailwindcss from "@tailwindcss/vite"
+
 // https://nuxt.com/docs/api/configuration/nuxt-config
 export default defineNuxtConfig({
   compatibilityDate: "2025-07-15",
@@ -5,11 +7,11 @@ export default defineNuxtConfig({
   modules: [
     "@nuxt/image",
     "@nuxt/eslint",
-    "@nuxtjs/tailwindcss",
     "@pinia/nuxt",
     "vuetify-nuxt-module",
     "@nuxtjs/i18n"
   ],
+  css: ["~/assets/css/main.css"],
   pinia: {
     storesDirs: ["./app/stores/**"]
   },
@@ -25,6 +27,9 @@ export default defineNuxtConfig({
       apiBase: process.env.NUXT_PUBLIC_API_BASE || "https://api.solian.app"
     }
   },
+  vite: {
+    plugins: [tailwindcss()]
+  },
   nitro: {
     devProxy: {
       "/api": {