diff --git a/apps/desktop/src/shell/AppLayout.module.scss b/apps/desktop/src/shell/AppLayout.module.scss
index 9c4198b..b7b9f22 100644
--- a/apps/desktop/src/shell/AppLayout.module.scss
+++ b/apps/desktop/src/shell/AppLayout.module.scss
@@ -151,7 +151,11 @@
   -ms-user-select: none;
   -webkit-touch-callout: none;
   -webkit-user-drag: none;
-  -webkit-app-region: drag;
+  // Page actions (e.g. the overview time-range bar and the floating refresh
+  // button) must not act as a window drag handle; the dedicated drag layer in
+  // AppHeader owns window dragging. Otherwise these controls get dragged and
+  // double-click maximizes the window.
+  -webkit-app-region: no-drag;
 }
 
 .actions {