diff --git a/src/components/ChatSidebar.tsx b/src/components/ChatSidebar.tsx
index 208ebb1..ac98424 100644
--- a/src/components/ChatSidebar.tsx
+++ b/src/components/ChatSidebar.tsx
@@ -160,6 +160,7 @@ export function ChatSidebar({ showNewsRibbon = true }: ChatSidebarProps) {
   useFocusTrap(sidebarRef, {
     active: isMobileOpen,
     onEscape: () => setIsMobileOpen(false),
+    initialFocusRef: textareaRef,
     restoreFocusRef: mobileToggleRef,
   });