diff --git a/apps/ui/src/ui-classic/components/session-view/composer/style.module.css b/apps/ui/src/ui-classic/components/session-view/composer/style.module.css
index eead995134..25e3a8c62d 100644
--- a/apps/ui/src/ui-classic/components/session-view/composer/style.module.css
+++ b/apps/ui/src/ui-classic/components/session-view/composer/style.module.css
@@ -52,6 +52,8 @@
 	user-select: none;
 }
 
+/* Invisible hit strip along the shell's top edge; the ns-resize cursor is the
+   pointer affordance. The indicator line only appears on keyboard focus. */
 .resizeHandle {
 	position: absolute;
 	top: -5px;
@@ -68,18 +70,16 @@
 	-webkit-app-region: no-drag;
 }
 
-/* Thin full-width line that lights up on hover, keyboard focus, and while dragging. */
 .resizeHandleIndicator {
 	width: 100%;
 	height: 2px;
+	border-radius: 999px;
 	background-color: var(--wpds-color-stroke-interactive-brand, #2563eb);
 	opacity: 0;
 	transition: opacity 120ms ease;
 }
 
-.resizeHandle:hover .resizeHandleIndicator,
-.resizeHandle:focus-visible .resizeHandleIndicator,
-.shellResizing .resizeHandleIndicator {
+.resizeHandle:focus-visible .resizeHandleIndicator {
 	opacity: 1;
 }