diff --git a/src/components/admin/OfflineBanner.tsx b/src/components/admin/OfflineBanner.tsx
new file mode 100644
index 0000000..7a229de
--- /dev/null
+++ b/src/components/admin/OfflineBanner.tsx
@@ -0,0 +1,52 @@
+"use client";
+
+import { useEffect, useState } from "react";
+import { getQueuedActions } from "@/lib/offline/queue";
+
+export function OfflineBanner() {
+  const [online, setOnline] = useState(true);
+  const [pendingCount, setPendingCount] = useState(0);
+  const [mounted, setMounted] = useState(false);
+
+  useEffect(() => {
+    setMounted(true);
+    setOnline(navigator.onLine);
+    const onOnline = () => setOnline(true);
+    const onOffline = () => setOnline(false);
+    window.addEventListener("online", onOnline);
+    window.addEventListener("offline", onOffline);
+
+    const interval = setInterval(async () => {
+      const actions = await getQueuedActions();
+      setPendingCount(actions.filter((a) => a.status === "pending" || a.status === "in-flight").length);
+    }, 1000);
+
+    return () => {
+      window.removeEventListener("online", onOnline);
+      window.removeEventListener("offline", onOffline);
+      clearInterval(interval);
+    };
+  }, []);
+
+  if (!mounted || (online && pendingCount === 0)) return null;
+
+  return (
+    <div
+      role="status"
+      aria-live="polite"
+      className="sticky top-0 z-40 w-full px-4 py-2 text-sm font-semibold"
+      style={{
+        backgroundColor: online ? "var(--color-warning-soft)" : "var(--color-danger-soft)",
+        color: online ? "var(--color-warning)" : "var(--color-danger)",
+      }}
+    >
+      {online ? (
+        <>Syncing {pendingCount} pending action{pendingCount === 1 ? "" : "s"}…</>
+      ) : (
+        <>You're offline. Changes will sync when you reconnect.</>
+      )}
+    </div>
+  );
+}
+
+export default OfflineBanner;