Stage 2: student lesson viewer, Kinescope player, PDF files, prev/next nav, My Courses dashboard

src/app/(student)/layout.tsx

@@ -0,0 +1,28 @@
+import { headers } from "next/headers";
+import { auth } from "@/lib/auth";
+import { redirect } from "next/navigation";
+import Link from "next/link";
+import { LogoutButton } from "@/components/layout/logout-button";
+
+export default async function StudentLayout({ children }: { children: React.ReactNode }) {
+  const session = await auth.api.getSession({ headers: await headers() });
+  if (!session) redirect("/login");
+
+  return (
+    <div className="min-h-screen flex flex-col" style={{ backgroundColor: "var(--background)" }}>
+      <header
+        className="sticky top-0 z-10 flex items-center justify-between px-6 py-3"
+        style={{ borderBottom: "2px solid var(--border)", backgroundColor: "var(--background)" }}
+      >
+        <Link href="/dashboard" className="font-bold tracking-wide" style={{ color: "var(--foreground)" }}>
+          Second Brain
+        </Link>
+        <div className="flex items-center gap-4">
+          <span className="text-sm" style={{ color: "var(--muted-foreground)" }}>{session.user.name}</span>
+          <LogoutButton />
+        </div>
+      </header>
+      <div className="flex-1 flex flex-col">{children}</div>
+    </div>
+  );
+}