diff --git a/apps/ai-game-creator-shell/src/styles.css b/apps/ai-game-creator-shell/src/styles.css
index eccad2ed7..c6b28fa2e 100644
--- a/apps/ai-game-creator-shell/src/styles.css
+++ b/apps/ai-game-creator-shell/src/styles.css
@@ -5299,6 +5299,37 @@ iframe.preview-frame {
   translate: 0 -3px;
 }
 
+.game-resource-book-manager:has(
+    .game-resource-book-thumbnail[data-resource-book-category='code']:hover,
+    .game-resource-book-thumbnail[data-resource-book-category='code']:focus-visible
+  )
+  .game-resource-book-scene-titlebar[data-resource-book-category='code'],
+.game-resource-book-manager:has(
+    .game-resource-book-thumbnail[data-resource-book-category='document']:hover,
+    .game-resource-book-thumbnail[data-resource-book-category='document']:focus-visible
+  )
+  .game-resource-book-scene-titlebar[data-resource-book-category='document'],
+.game-resource-book-manager:has(
+    .game-resource-book-thumbnail[data-resource-book-category='version']:hover,
+    .game-resource-book-thumbnail[data-resource-book-category='version']:focus-visible
+  )
+  .game-resource-book-scene-titlebar[data-resource-book-category='version'],
+.game-resource-book-manager:has(
+    .game-resource-book-thumbnail[data-resource-book-category='art']:hover,
+    .game-resource-book-thumbnail[data-resource-book-category='art']:focus-visible
+  )
+  .game-resource-book-scene-titlebar[data-resource-book-category='art'],
+.game-resource-book-manager:has(
+    .game-resource-book-thumbnail[data-resource-book-category='audio']:hover,
+    .game-resource-book-thumbnail[data-resource-book-category='audio']:focus-visible
+  )
+  .game-resource-book-scene-titlebar[data-resource-book-category='audio'] {
+  border-top-color: #cc8060;
+  border-right-color: #cc8060;
+  border-bottom-color: #ebd9cf;
+  border-left-color: #cc8060;
+}
+
 .game-resource-book-scene-card .game-resource-card {
   transition:
     width 420ms cubic-bezier(0.2, 0.78, 0.2, 1),
@@ -5320,41 +5351,6 @@ iframe.preview-frame {
   border-radius: 12px;
 }
 
-.game-resource-book-scene--child::after {
-  position: absolute;
-  z-index: 2;
-  top: 42px;
-  right: 0;
-  bottom: 0;
-  left: 0;
-  border: 1px solid transparent;
-  content: '';
-  pointer-events: none;
-  transition: border-color 180ms ease;
-}
-
-.game-resource-book-scene--child:has(
-    .game-resource-book-scene-card.is-expanded .game-resource-card:hover
-  )
-  .game-resource-book-scene-titlebar.is-active,
-.game-resource-book-scene-titlebar.is-active:hover {
-  border-top-color: #d57b51;
-  border-right-color: #d57b51;
-  border-bottom-color: #ebd9cf;
-  border-left-color: #d57b51;
-}
-
-.game-resource-book-scene--child:has(
-    .game-resource-book-scene-card.is-expanded .game-resource-card:hover
-  )::after,
-.game-resource-book-scene--child:has(
-    .game-resource-book-scene-titlebar.is-active:hover
-  )::after {
-  border-right-color: #d57b51;
-  border-bottom-color: #d57b51;
-  border-left-color: #d57b51;
-}
-
 .game-resource-book-main.is-background,
 .game-resource-canvas.is-background {
   position: absolute;