Refactor layout components and update theme configuration

src/main.js

@@ -9,7 +9,7 @@ import App from './App.vue';
 import router from './router';
 
 
-import Aura from '@primevue/themes/aura';
+import Nora from '@primevue/themes/nora';
 import PrimeVue from 'primevue/config';
 import ConfirmationService from 'primevue/confirmationservice';
 import ToastService from 'primevue/toastservice';
@@ -63,10 +63,12 @@ app.use(router);
 
 app.use(PrimeVue, {
     theme: {
-        preset: Aura,
+        preset: Nora,
         options: {
-            darkModeSelector: '.app-dark'
-        }
+            prefix: 'p',
+            darkModeSelector: '.app-dark',
+            cssLayer: false
+        },
     }
 });
 app.use(ToastService);