현대적 라이브러리 도입 완료

frontend/app/(main)/admin/commonCode/page.tsx

@@ -2,7 +2,6 @@
 
 import { useState } from "react";
 import { Card, CardContent, CardHeader, CardTitle } from "@/components/ui/card";
-import { Separator } from "@/components/ui/separator";
 import { CodeCategoryPanel } from "@/components/admin/CodeCategoryPanel";
 import { CodeDetailPanel } from "@/components/admin/CodeDetailPanel";
 // import { useMultiLang } from "@/hooks/useMultiLang"; // 무한 루프 방지를 위해 임시 제거
@@ -26,7 +25,7 @@ export default function CommonCodeManagementPage() {
       <div className="flex flex-col gap-6 lg:flex-row lg:gap-8">
         {/* 카테고리 패널 - PC에서 좌측 고정 너비, 모바일에서 전체 너비 */}
         <div className="w-full lg:w-80 lg:flex-shrink-0">
-          <Card className="h-fit">
+          <Card className="h-full">
             <CardHeader>
               <CardTitle className="flex items-center gap-2">📂 코드 카테고리</CardTitle>
             </CardHeader>