Add admin sidebar toggle on mobile, fix table wrapping, fix grids

src/components/home/guest-view.tsx

@@ -103,7 +103,7 @@ export default async function GuestView() {
             >
               <h2 className="px-3 text-xl font-bold text-white">Recent Users</h2>
             </div>
-            <div className="grid grid-cols-6 gap-4 p-4">
+            <div className="grid grid-cols-4 sm:grid-cols-6 gap-3 p-3">
               {recentUsers.map((u) => (
                 <div
                   key={u.username}