diff --git a/Public/TopNotificationBar/Infrastructure/Ui/TopNotificationBarRenderer.php b/Public/TopNotificationBar/Infrastructure/Ui/TopNotificationBarRenderer.php
index 288995c8..1f08d3dd 100644
--- a/Public/TopNotificationBar/Infrastructure/Ui/TopNotificationBarRenderer.php
+++ b/Public/TopNotificationBar/Infrastructure/Ui/TopNotificationBarRenderer.php
@@ -243,7 +243,19 @@ final class TopNotificationBarRenderer implements RendererInterface
      */
     private function buildClasses(array $data): string
     {
-        return 'top-notification-bar';
+        $classes = ['top-notification-bar'];
+
+        // Agregar clases de visibilidad responsive
+        $showOnDesktop = ($data['visibility']['show_on_desktop'] ?? true) === true;
+        $showOnMobile = ($data['visibility']['show_on_mobile'] ?? true) === true;
+
+        $visibilityClasses = $this->getVisibilityClasses($showOnDesktop, $showOnMobile);
+
+        if ($visibilityClasses !== null) {
+            $classes[] = $visibilityClasses;
+        }
+
+        return implode(' ', $classes);
     }
 
     /**