diff --git a/src/static/css/style.css b/src/static/css/style.css
index 7c5b4fe..3df375f 100644
--- a/src/static/css/style.css
+++ b/src/static/css/style.css
@@ -617,6 +617,7 @@ a:hover {
     border-right: 1px solid var(--border);
     scrollbar-width: thin;
     scrollbar-color: var(--text-disabled) transparent;
+    z-index: 9500;
 }
 
 .sidebar::-webkit-scrollbar { width: 6px; }