diff --git a/frontend/style.css b/frontend/style.css
index bfc6ef3..c2e373f 100644
--- a/frontend/style.css
+++ b/frontend/style.css
@@ -7255,7 +7255,7 @@ body.popup-mode .content-area {
   padding: 0;
   border: 1px solid var(--border);
   border-radius: 6px;
-  background: transparent;
+  background: var(--bg-primary);
   color: var(--text-secondary);
   cursor: pointer;
   transition: all 150ms ease;
@@ -7263,6 +7263,7 @@ body.popup-mode .content-area {
   align-items: center;
   justify-content: center;
   flex: 0 0 auto;
+  box-shadow: 0 2px 8px rgba(0,0,0,0.15);
 }
 
 .backup-close-btn:hover {