I found part of the bug for mobile (the empty space on the side) - Still need to fix the profile picture and social media icons (as they create space).

Move the language button and its logic.

Modify the sidebar (add navigation buttons for mobile).

Fix the display bug for the Subscription list.

src/views/creators/SubscriptionList.vue

@@ -9,9 +9,9 @@ const subscriptionStore = useSubscriptionStore()
   <template v-if="Object.keys(subscriptionStore.subscriptions).length > 0">
     <template v-for="subscription in subscriptionStore.subscriptions">
 
-      <RouterLink :to="`/@${subscription.creatorName}`">
+      <RouterLink class="capitalize" :to="`/@${subscription.creatorName}`">
 
-        <div class="flex items-center content-center font-sans font-semibold pt-2">
+        <div class="flex items-center content-center font-sans font-semibold pt-2 ">
           <img :src="subscription.creatorPortraitUrl ? subscription.creatorPortraitUrl: '/images/usersmedia/anonyme/profilepictures/profileAnonymeSquare.png' "
                alt="Profile Image"
                class="rounded-full mx-2"
@@ -27,7 +27,7 @@ const subscriptionStore = useSubscriptionStore()
 
   <template v-else>
     <slot>
-      <span>Placeholder when there are no subscriptions</span>
+      <span>No subscriptions</span>
     </slot>
   </template>