diff --git a/ui/src/index.css b/ui/src/index.css
index eb14d22c..2b3e6171 100644
--- a/ui/src/index.css
+++ b/ui/src/index.css
@@ -178,9 +178,9 @@
   background: oklch(0.5 0 0);
 }
 
-/* Auto-hide scrollbar: completely hidden by default, visible on container hover */
+/* Auto-hide scrollbar: always reserves space, thumb visible only on hover */
 .scrollbar-auto-hide::-webkit-scrollbar {
-  width: 0 !important;
+  width: 8px !important;
   background: transparent !important;
 }
 .scrollbar-auto-hide::-webkit-scrollbar-track {
@@ -189,9 +189,6 @@
 .scrollbar-auto-hide::-webkit-scrollbar-thumb {
   background: transparent !important;
 }
-.scrollbar-auto-hide:hover::-webkit-scrollbar {
-  width: 8px !important;
-}
 .scrollbar-auto-hide:hover::-webkit-scrollbar-track {
   background: oklch(0.205 0 0) !important;
 }