diff --git a/packages/ui/src/styles/messaging/tool-call.css b/packages/ui/src/styles/messaging/tool-call.css
index d6b01a41..a6184cff 100644
--- a/packages/ui/src/styles/messaging/tool-call.css
+++ b/packages/ui/src/styles/messaging/tool-call.css
@@ -238,7 +238,7 @@
   display: flex;
   flex-direction: column;
   gap: var(--space-xs);
-  padding: var(--space-xs);
+  padding: 0;
 }
 
 .tool-call-io-section {