fix: Remove diagnostic Tailwind class from app.vue and explicit CSS import from nuxt.config.ts

app.vue

@@ -1,5 +1,5 @@
 <template>
-  <div class="bg-blue-500">
+  <div>
     <NuxtPage />
   </div>
 </template>

nuxt.config.ts

@@ -27,7 +27,6 @@ export default defineNuxtConfig({
       }
     }
   },
-  css: ['~/assets/css/main.css'],
   app: {
     head: {
       link: [