Auth: convert auth views and verification email to Nova layout

resources/views/forum/index.blade.php

@@ -0,0 +1,24 @@
+@extends('layouts.nova')
+
+@section('content')
+<main class="min-h-screen bg-slate-950 px-4 py-10" aria-labelledby="forum-page-title">
+    <div class="mx-auto max-w-7xl">
+        <header class="mb-8">
+            <h1 id="forum-page-title" class="text-3xl font-semibold text-white">Forum</h1>
+            <p class="mt-2 text-sm text-white/60">Browse forum sections and latest activity.</p>
+        </header>
+
+        @if (($categories ?? collect())->isEmpty())
+            <div class="rounded-xl border border-white/10 bg-slate-900/60 p-8 text-center text-white/70">
+                No forum categories available yet.
+            </div>
+        @else
+            <div class="grid grid-cols-1 gap-6 md:grid-cols-2 xl:grid-cols-3" role="list" aria-label="Forum categories">
+                @foreach ($categories as $category)
+                    <x-forum.category-card :category="$category" />
+                @endforeach
+            </div>
+        @endif
+    </div>
+</main>
+@endsection