diff --git a/drb-frontend/app/trips/[id]/page.tsx b/drb-frontend/app/trips/[id]/page.tsx
index 5f7ef6f..975d1bc 100644
--- a/drb-frontend/app/trips/[id]/page.tsx
+++ b/drb-frontend/app/trips/[id]/page.tsx
@@ -913,7 +913,7 @@ export default function TripDetailPage() {
         </div>
 
         {/* Right: AI Assistant — sticky */}
-        <div className="w-80 xl:w-96 shrink-0 sticky top-20 h-[calc(100vh-140px)] flex flex-col bg-gray-900 border border-gray-800 rounded-xl overflow-hidden">
+        <div className="w-80 xl:w-96 shrink-0 sticky top-20 h-[calc(100vh-240px)] flex flex-col bg-gray-900 border border-gray-800 rounded-xl overflow-hidden">
           <AssistantPanel trip={trip} onAddEvent={handleAssistantAddEvent} />
         </div>
       </div>