diff --git a/packages/kilo-ui/src/components/message-part.css b/packages/kilo-ui/src/components/message-part.css
index cac42ad5f26..2388d5e4635 100644
--- a/packages/kilo-ui/src/components/message-part.css
+++ b/packages/kilo-ui/src/components/message-part.css
@@ -150,15 +150,15 @@ html[data-theme="kilo-vscode"] [data-component="bash-output"] {
   margin-bottom: 0px;
 }
 
-/* User message copy button: tiny reserved space, button overflows on hover.
- * height:2px keeps layout stable; overflow:hidden clips the invisible button;
- * on hover overflow:visible lets the button appear without shifting content. */
+/* User message copy button: collapse wrapper when idle, show on hover.
+ * The wrapper must be tall enough to fully contain the button (20px)
+ * so that hovering the button keeps [data-component="user-message"]
+ * hovered — otherwise :hover is lost and pointer-events/opacity revert. */
 [data-component="user-message"] {
   [data-slot="user-message-copy-wrapper"] {
     min-height: 0;
-    height: 10px;
+    height: 20px;
     margin-top: 0;
-    overflow: hidden;
 
     [data-slot="user-message-meta-wrap"] {
       display: none;
@@ -169,11 +169,6 @@ html[data-theme="kilo-vscode"] [data-component="bash-output"] {
       height: 20px;
     }
   }
-
-  &:hover [data-slot="user-message-copy-wrapper"],
-  &:focus-within [data-slot="user-message-copy-wrapper"] {
-    overflow: visible;
-  }
 }
 
 [data-component="question-answers"] {
diff --git a/packages/kilo-ui/tests/visual-regression.spec.ts-snapshots/components-messagepart/full-conversation-turn-chromium-linux.png b/packages/kilo-ui/tests/visual-regression.spec.ts-snapshots/components-messagepart/full-conversation-turn-chromium-linux.png
index 6f383cb9019..27646a659da 100644
--- a/packages/kilo-ui/tests/visual-regression.spec.ts-snapshots/components-messagepart/full-conversation-turn-chromium-linux.png
+++ b/packages/kilo-ui/tests/visual-regression.spec.ts-snapshots/components-messagepart/full-conversation-turn-chromium-linux.png
@@ -1,3 +1,3 @@
 version https://git-lfs.github.com/spec/v1
-oid sha256:9cad4954b9ac5c0d1a245d14b3ab51836217479870c39589a55eb862c4247aa9
-size 18902
+oid sha256:81fd232992e804e8e0b3453c4e77d358f8c24dd7495b354b8d7de24c7a43724c
+size 18986
diff --git a/packages/kilo-ui/tests/visual-regression.spec.ts-snapshots/components-messagepart/user-message-story-chromium-linux.png b/packages/kilo-ui/tests/visual-regression.spec.ts-snapshots/components-messagepart/user-message-story-chromium-linux.png
index b68a8dc340c..c11138b36db 100644
--- a/packages/kilo-ui/tests/visual-regression.spec.ts-snapshots/components-messagepart/user-message-story-chromium-linux.png
+++ b/packages/kilo-ui/tests/visual-regression.spec.ts-snapshots/components-messagepart/user-message-story-chromium-linux.png
@@ -1,3 +1,3 @@
 version https://git-lfs.github.com/spec/v1
-oid sha256:876fba84b341bffa55bedb3c6d3384c5099c9a1d9336a3090b429b87e1256110
-size 4149
+oid sha256:4b690e1cba9e1a7a4eef86162c762092f5908f2d498f0d77f48c44fef1fd44ff
+size 4242
diff --git a/packages/kilo-ui/tests/visual-regression.spec.ts-snapshots/components-sessionturn/default-chromium-linux.png b/packages/kilo-ui/tests/visual-regression.spec.ts-snapshots/components-sessionturn/default-chromium-linux.png
index 4b660e94928..5e3dcecb255 100644
--- a/packages/kilo-ui/tests/visual-regression.spec.ts-snapshots/components-sessionturn/default-chromium-linux.png
+++ b/packages/kilo-ui/tests/visual-regression.spec.ts-snapshots/components-sessionturn/default-chromium-linux.png
@@ -1,3 +1,3 @@
 version https://git-lfs.github.com/spec/v1
-oid sha256:0fc349b25120ba40eaf3f6e6cb9adf268a0433c6a4b4e723f5a9957c555aec25
-size 29267
+oid sha256:71a4c5ce0d2bd00ac8428a65e3c4db6c0455720cac5467f8f483a9708cea8765
+size 29370
diff --git a/packages/kilo-ui/tests/visual-regression.spec.ts-snapshots/components-sessionturn/with-steps-expanded-chromium-linux.png b/packages/kilo-ui/tests/visual-regression.spec.ts-snapshots/components-sessionturn/with-steps-expanded-chromium-linux.png
index 7adc3a5b82c..5e3dcecb255 100644
--- a/packages/kilo-ui/tests/visual-regression.spec.ts-snapshots/components-sessionturn/with-steps-expanded-chromium-linux.png
+++ b/packages/kilo-ui/tests/visual-regression.spec.ts-snapshots/components-sessionturn/with-steps-expanded-chromium-linux.png
@@ -1,3 +1,3 @@
 version https://git-lfs.github.com/spec/v1
-oid sha256:c67bd29525bc38133cc5271d0467e85e131a0bd41313a4033836e7a6bc5e02e2
-size 26312
+oid sha256:71a4c5ce0d2bd00ac8428a65e3c4db6c0455720cac5467f8f483a9708cea8765
+size 29370
diff --git a/packages/kilo-ui/tests/visual-regression.spec.ts-snapshots/components-sessionturn/working-chromium-linux.png b/packages/kilo-ui/tests/visual-regression.spec.ts-snapshots/components-sessionturn/working-chromium-linux.png
index a69883f2758..6d44ffd8a25 100644
--- a/packages/kilo-ui/tests/visual-regression.spec.ts-snapshots/components-sessionturn/working-chromium-linux.png
+++ b/packages/kilo-ui/tests/visual-regression.spec.ts-snapshots/components-sessionturn/working-chromium-linux.png
@@ -1,3 +1,3 @@
 version https://git-lfs.github.com/spec/v1
-oid sha256:640fabcec21e9e8e2251e1b347966790d347af9c0b438ca4dc9bc118819069f2
-size 4562
+oid sha256:4272e7e538d95ee3c7010dca5711a53643573c0efed2c527d6db58ef23d6c086
+size 4627