diff --git a/shared/styles.css b/shared/styles.css
index 65384c2..92bdab6 100644
--- a/shared/styles.css
+++ b/shared/styles.css
@@ -423,3 +423,5 @@ textarea.input {
 .icon-action--like:hover {
     color: var(--color-smooai-red);
 }
+
+/* drift-gate proof — must not merge */