Add mobile sidebar toggle for admin panel

src/app/admin/layout.tsx

@@ -3,6 +3,7 @@ import { redirect } from "next/navigation";
 import type { ReactNode } from "react";
 import { getTranslations } from "next-intl/server";
 import { AdminNavLink } from "@/components/admin/admin-nav-link";
+import { AdminMobileWrapper } from "@/components/admin/admin-mobile-wrapper";
 import { requireStaff } from "@/lib/admin/guard";
 import { prisma } from "@/lib/prisma";
 import { siteSettings } from "@/lib/services/site-settings";
@@ -163,13 +164,12 @@ export default async function AdminLayout({ children }: { children: ReactNode })
   }
 
   return (
-    <div className="grid grid-cols-1 lg:grid-cols-[260px_minmax(0,1fr)] min-h-screen bg-[var(--admin-canvas)]">
-      <Sidebar staff={staff} />
+    <AdminMobileWrapper sidebar={<Sidebar staff={staff} />}>
       <div className="flex flex-col min-w-0 p-5 lg:p-6">
         <Topbar staff={staff} />
         <section className="admin-page flex-1">{children}</section>
       </div>
-    </div>
+    </AdminMobileWrapper>
   );
 }