diff --git a/src/components/ChatViewer.tsx b/src/components/ChatViewer.tsx
index 1a80648..65afe3f 100644
--- a/src/components/ChatViewer.tsx
+++ b/src/components/ChatViewer.tsx
@@ -940,9 +940,9 @@ export function ChatViewer({
             {uploadDialog}
           </div>
         ) : (
-          <div className="border-t text-center">
+          <div className="border-t text-center pt-2">
             <Button
-              variant="outline"
+              variant="ghost"
               size="sm"
               onClick={() => setShowLogin(true)}
             >