diff --git a/frontend/src/components/layout/PluginToolbar.tsx b/frontend/src/components/layout/PluginToolbar.tsx
index 204fe67..c6ae9ff 100644
--- a/frontend/src/components/layout/PluginToolbar.tsx
+++ b/frontend/src/components/layout/PluginToolbar.tsx
@@ -120,7 +120,7 @@ function ToolbarDropdown({ item }: { item: ToolbarItem }) {
       </button>
       {open && (
         <div
-          className="absolute top-full left-0 mt-1 bg-white border border-secondary-200 rounded-lg shadow-lg z-50 py-1"
+          className="absolute top-full left-0 mt-1 bg-white border border-secondary-200 rounded-lg shadow-lg z-[100] py-1"
           style={{ minWidth: item.menuWidth || '180px' }}
         >
           {item.menuOptions?.map((opt) => (
@@ -183,7 +183,7 @@ export function PluginToolbar() {
 
   return (
     <div
-      className="flex items-center gap-1 px-2 sm:px-3 py-1.5 bg-white border-b border-secondary-200 min-h-[43px] overflow-x-auto"
+      className="flex items-center gap-1 px-2 sm:px-3 py-1.5 bg-white border-b border-secondary-200 min-h-[43px] overflow-visible relative z-30"
       data-testid="plugin-toolbar"
     >
       {groupNames.map((groupName, gi) => (