ui, 파일업로드 관련 손보기

frontend/components/screen/panels/LayoutsPanel.tsx

@@ -147,7 +147,7 @@ export default function LayoutsPanel({
   };
 
   return (
-    <div className={`layouts-panel h-full ${className || ""}`}>
+    <div className={`layouts-panel h-full bg-gradient-to-br from-slate-50 to-indigo-50/30 border-r border-gray-200/60 shadow-sm ${className || ""}`}>
       <div className="flex h-full flex-col">
         {/* 헤더 */}
         <div className="border-b p-4">