diff --git a/apps/web/src/App.tsx b/apps/web/src/App.tsx
index af68dea..55dcc09 100644
--- a/apps/web/src/App.tsx
+++ b/apps/web/src/App.tsx
@@ -26,7 +26,13 @@ function RightRailForSession({ sessionId }: { sessionId: string }) {
       .catch((err) => console.warn('RightRail: failed to fetch session', err));
   }, [sessionId]);
   if (!projectId) return null;
-  return <RightRail projectId={projectId} />;
+  // Hidden entirely below md breakpoint; mobile users get the file browser
+  // via the FileBrowserPane infrastructure if/when it lands in workspace panes.
+  return (
+    <div className="max-md:hidden contents">
+      <RightRail projectId={projectId} />
+    </div>
+  );
 }
 
 function MobileBackdrop() {