diff --git a/backend/static/js/app.js b/backend/static/js/app.js
index eab7d16..ed4aa41 100644
--- a/backend/static/js/app.js
+++ b/backend/static/js/app.js
@@ -210,6 +210,7 @@ const App = (() => {
       'overflow:hidden',
       'box-shadow:4px 0 24px rgba(0,0,0,0.22)',
       'border-right:1px solid #e5e7eb',
+      'transform:translateX(0)',   // CSS hat translateX(-100%) → muss überschrieben werden
     ].join(';');
     document.getElementById('sidebar-backdrop')?.classList.add('visible');
   }