diff --git a/packages/hub-ui/src/client/components/dock/DockEmbedded.vue b/packages/hub-ui/src/client/components/dock/DockEmbedded.vue
index 1e97e1ad..2d014063 100644
--- a/packages/hub-ui/src/client/components/dock/DockEmbedded.vue
+++ b/packages/hub-ui/src/client/components/dock/DockEmbedded.vue
@@ -40,6 +40,8 @@ useEventListener(window, 'mousedown', (e: MouseEvent) => {
     const el = _el as HTMLElement
     return [...(el.classList || [])].some(c => c.startsWith('devframes-'))
       || el.id?.startsWith('devframes-')
+      // Portaled menus share the dock's shadow root, outside the panel element.
+      || el.tagName?.toLowerCase() === 'devframes-dock-embedded'
       || el.tagName?.toLowerCase() === 'iframe'
   })
 
diff --git a/packages/hub-ui/uno.config.ts b/packages/hub-ui/uno.config.ts
index bd61b33a..176efd80 100644
--- a/packages/hub-ui/uno.config.ts
+++ b/packages/hub-ui/uno.config.ts
@@ -39,6 +39,8 @@ export default mergeConfigs([
       'z-viewframe-resizer': 'z-[30]',
       'z-floating-dock': 'z-[50]',
       'z-floating-anchor': 'z-[2147483644]',
+      /** Portaled menus sit above the dock shell and below the command palette. */
+      'z-dropdown': 'z-[2147483645]',
       'z-floating-tooltip': 'z-[2147483645]',
       'z-command-palette': 'z-[2147483646]',
       /**