diff --git a/frontend/src/App.css b/frontend/src/App.css
index c618b52c..5c3423a5 100644
--- a/frontend/src/App.css
+++ b/frontend/src/App.css
@@ -16,6 +16,7 @@ body {
   display: flex;
   flex-direction: column;
   overflow: hidden;
+  overscroll-behavior: none;
 }
 
 /* ── Header ─────────────────────────────────────── */