diff --git a/crates/agent-gui/src/pages/chat/components/ChatComposerBar.tsx b/crates/agent-gui/src/pages/chat/components/ChatComposerBar.tsx
index 1d03b5fdd..37f15b211 100644
--- a/crates/agent-gui/src/pages/chat/components/ChatComposerBar.tsx
+++ b/crates/agent-gui/src/pages/chat/components/ChatComposerBar.tsx
@@ -572,6 +572,11 @@ export const ChatComposerBar = memo(function ChatComposerBar(props: {
         isComposerExpanded && "top-14",
       )}
     >
+      <div
+        aria-hidden
+        className="pointer-events-none absolute inset-x-0 bottom-0 bg-background"
+        style={{ height: "1rem" }}
+      />
       <div
         className={cn(
           "pointer-events-auto relative w-full max-w-[768px]",