Decouple admin from public max-w-7xl via (site) route group.

Public chrome and width live only under (site). /admin and /client inherit the root layout alone, so housekeeping width is no longer tied to the public template.

Co-authored-by: Cursor <[email protected]>

src/app/(site)/layout.tsx

@@ -0,0 +1,27 @@
+import type { ReactNode } from "react";
+import { Navigation } from "@/components/navigation";
+import RadioPlayerGate from "@/components/public/radio-player-gate";
+import { SiteFooter } from "@/components/site-footer";
+import { SiteHeader } from "@/components/site-header";
+import { TopHeader } from "@/components/top-header";
+
+/**
+ * Public site chrome. Route group `(site)` keeps this off `/admin` and `/client`,
+ * so housekeeping is never constrained by the public max-w-7xl grid.
+ */
+export default function SiteLayout({ children }: { children: ReactNode }) {
+	return (
+		<>
+			<TopHeader />
+			<SiteHeader />
+			<Navigation />
+			<main>
+				<div className="mx-auto mt-6 grid max-w-7xl grid-cols-12 gap-x-3 gap-y-6 px-4 py-4 md:mt-0 md:p-6">
+					<div className="col-span-12 min-w-0">{children}</div>
+				</div>
+			</main>
+			<SiteFooter />
+			<RadioPlayerGate />
+		</>
+	);
+}