diff --git a/backend-java/src/main/java/com/tasteby/domain/UserInfo.java b/backend-java/src/main/java/com/tasteby/domain/UserInfo.java
index 0656d89..828cca5 100644
--- a/backend-java/src/main/java/com/tasteby/domain/UserInfo.java
+++ b/backend-java/src/main/java/com/tasteby/domain/UserInfo.java
@@ -16,7 +16,7 @@ public class UserInfo {
     private String nickname;
     private String avatarUrl;
     @JsonProperty("is_admin")
-    private boolean isAdmin;
+    private boolean admin;
     private String provider;
     private String providerId;
     private String createdAt;
diff --git a/backend-java/src/main/java/com/tasteby/service/AuthService.java b/backend-java/src/main/java/com/tasteby/service/AuthService.java
index 89d0cc6..a90fb7b 100644
--- a/backend-java/src/main/java/com/tasteby/service/AuthService.java
+++ b/backend-java/src/main/java/com/tasteby/service/AuthService.java
@@ -6,6 +6,7 @@ import com.google.api.client.http.javanet.NetHttpTransport;
 import com.google.api.client.json.gson.GsonFactory;
 import com.tasteby.domain.UserInfo;
 import com.tasteby.security.JwtTokenProvider;
+import org.springframework.beans.factory.annotation.Value;
 import org.springframework.http.HttpStatus;
 import org.springframework.stereotype.Service;
 import org.springframework.web.server.ResponseStatusException;
@@ -20,12 +21,13 @@ public class AuthService {
     private final JwtTokenProvider jwtProvider;
     private final GoogleIdTokenVerifier verifier;
 
-    public AuthService(UserService userService, JwtTokenProvider jwtProvider) {
+    public AuthService(UserService userService, JwtTokenProvider jwtProvider,
+                       @Value("${app.google.client-id}") String googleClientId) {
         this.userService = userService;
         this.jwtProvider = jwtProvider;
         this.verifier = new GoogleIdTokenVerifier.Builder(
                 new NetHttpTransport(), GsonFactory.getDefaultInstance())
-                .setAudience(Collections.emptyList()) // Accept any audience
+                .setAudience(Collections.singletonList(googleClientId))
                 .build();
     }
 
diff --git a/backend-java/src/main/java/com/tasteby/service/RestaurantService.java b/backend-java/src/main/java/com/tasteby/service/RestaurantService.java
index 8ac2aca..7418b7f 100644
--- a/backend-java/src/main/java/com/tasteby/service/RestaurantService.java
+++ b/backend-java/src/main/java/com/tasteby/service/RestaurantService.java
@@ -35,7 +35,13 @@ public class RestaurantService {
 
     public List<Map<String, Object>> findVideoLinks(String restaurantId) {
         var rows = mapper.findVideoLinks(restaurantId);
-        return rows.stream().map(JsonUtil::lowerKeys).toList();
+        return rows.stream().map(row -> {
+            var m = JsonUtil.lowerKeys(row);
+            m.put("foods_mentioned", JsonUtil.parseStringList(m.get("foods_mentioned")));
+            m.put("evaluation", JsonUtil.parseMap(m.get("evaluation")));
+            m.put("guests", JsonUtil.parseStringList(m.get("guests")));
+            return m;
+        }).toList();
     }
 
     public void update(String id, Map<String, Object> fields) {
diff --git a/backend-java/src/main/resources/application.yml b/backend-java/src/main/resources/application.yml
index 625a79d..2b8ca4a 100644
--- a/backend-java/src/main/resources/application.yml
+++ b/backend-java/src/main/resources/application.yml
@@ -54,6 +54,7 @@ app:
   google:
     maps-api-key: ${GOOGLE_MAPS_API_KEY}
     youtube-api-key: ${YOUTUBE_DATA_API_KEY}
+    client-id: ${GOOGLE_CLIENT_ID:635551099330-2l003d3ernjmkqavd4f6s78r8r405iml.apps.googleusercontent.com}
 
   cache:
     ttl-seconds: 600
diff --git a/backend-java/src/main/resources/mybatis/mapper/RestaurantMapper.xml b/backend-java/src/main/resources/mybatis/mapper/RestaurantMapper.xml
index c5c1441..d1ae2a7 100644
--- a/backend-java/src/main/resources/mybatis/mapper/RestaurantMapper.xml
+++ b/backend-java/src/main/resources/mybatis/mapper/RestaurantMapper.xml
@@ -60,7 +60,8 @@
     </select>
 
     <select id="findVideoLinks" resultType="map">
-        SELECT v.video_id, v.title, v.url, v.published_at,
+        SELECT v.video_id, v.title, v.url,
+               TO_CHAR(v.published_at, 'YYYY-MM-DD"T"HH24:MI:SS') AS published_at,
                vr.foods_mentioned, vr.evaluation, vr.guests,
                c.channel_name, c.channel_id
         FROM video_restaurants vr
diff --git a/backend-java/src/main/resources/mybatis/mapper/UserMapper.xml b/backend-java/src/main/resources/mybatis/mapper/UserMapper.xml
index 887bf05..fa81446 100644
--- a/backend-java/src/main/resources/mybatis/mapper/UserMapper.xml
+++ b/backend-java/src/main/resources/mybatis/mapper/UserMapper.xml
@@ -7,7 +7,7 @@
         <result property="email" column="email"/>
         <result property="nickname" column="nickname"/>
         <result property="avatarUrl" column="avatar_url"/>
-        <result property="isAdmin" column="is_admin" javaType="boolean"/>
+        <result property="admin" column="is_admin" javaType="boolean"/>
         <result property="provider" column="provider"/>
         <result property="createdAt" column="created_at"/>
         <result property="favoriteCount" column="favorite_count"/>
diff --git a/frontend/src/app/admin/page.tsx b/frontend/src/app/admin/page.tsx
index 2a4644e..3044a9f 100644
--- a/frontend/src/app/admin/page.tsx
+++ b/frontend/src/app/admin/page.tsx
@@ -29,7 +29,7 @@ export default function AdminPage() {
   }
 
   return (
-    <div className="min-h-screen bg-gray-50">
+    <div className="min-h-screen bg-gray-50 text-gray-900">
       <header className="bg-white border-b px-6 py-4">
         <div className="flex items-center justify-between">
           <div className="flex items-center gap-3">
@@ -133,19 +133,19 @@ function ChannelsPanel({ isAdmin }: { isAdmin: boolean }) {
             placeholder="YouTube Channel ID"
             value={newId}
             onChange={(e) => setNewId(e.target.value)}
-            className="border rounded px-3 py-2 flex-1 text-sm"
+            className="border rounded px-3 py-2 flex-1 text-sm bg-white text-gray-900"
           />
           <input
             placeholder="채널 이름"
             value={newName}
             onChange={(e) => setNewName(e.target.value)}
-            className="border rounded px-3 py-2 flex-1 text-sm"
+            className="border rounded px-3 py-2 flex-1 text-sm bg-white text-gray-900"
           />
           <input
             placeholder="제목 필터 (선택)"
             value={newFilter}
             onChange={(e) => setNewFilter(e.target.value)}
-            className="border rounded px-3 py-2 w-40 text-sm"
+            className="border rounded px-3 py-2 w-40 text-sm bg-white text-gray-900"
           />
           <button
             onClick={handleAdd}
@@ -159,7 +159,7 @@ function ChannelsPanel({ isAdmin }: { isAdmin: boolean }) {
 
       <div className="bg-white rounded-lg shadow">
         <table className="w-full text-sm">
-          <thead className="bg-gray-50 border-b">
+          <thead className="bg-gray-100 border-b text-gray-700 text-sm font-semibold">
             <tr>
               <th className="text-left px-4 py-3">채널 이름</th>
               <th className="text-left px-4 py-3">Channel ID</th>
@@ -661,7 +661,7 @@ function VideosPanel({ isAdmin }: { isAdmin: boolean }) {
         <select
           value={channelFilter}
           onChange={(e) => { setChannelFilter(e.target.value); setPage(0); }}
-          className="border rounded px-3 py-2 text-sm"
+          className="border rounded px-3 py-2 text-sm bg-white text-gray-900"
         >
           <option value="">전체 채널</option>
           {channels.map((ch) => (
@@ -671,7 +671,7 @@ function VideosPanel({ isAdmin }: { isAdmin: boolean }) {
         <select
           value={statusFilter}
           onChange={(e) => setStatusFilter(e.target.value)}
-          className="border rounded px-3 py-2 text-sm"
+          className="border rounded px-3 py-2 text-sm bg-white text-gray-900"
         >
           <option value="">전체 상태</option>
           <option value="pending">대기중</option>
@@ -687,7 +687,7 @@ function VideosPanel({ isAdmin }: { isAdmin: boolean }) {
             value={titleSearch}
             onChange={(e) => { setTitleSearch(e.target.value); setPage(0); }}
             onKeyDown={(e) => e.key === "Escape" && setTitleSearch("")}
-            className="border border-r-0 rounded-l px-3 py-2 text-sm w-48"
+            className="border border-r-0 rounded-l px-3 py-2 text-sm w-48 bg-white text-gray-900"
           />
           {titleSearch ? (
             <button
@@ -779,7 +779,7 @@ function VideosPanel({ isAdmin }: { isAdmin: boolean }) {
 
       <div className="bg-white rounded-lg shadow overflow-auto min-w-[800px]">
         <table className="w-full text-sm">
-          <thead className="bg-gray-50 border-b">
+          <thead className="bg-gray-100 border-b text-gray-700 text-sm font-semibold">
             <tr>
               <th className="px-4 py-3 w-8">
                 <input
@@ -1187,34 +1187,34 @@ function VideosPanel({ isAdmin }: { isAdmin: boolean }) {
                   <div className="grid grid-cols-2 gap-2">
                     <div>
                       <label className="text-[10px] text-gray-500">식당명 *</label>
-                      <input value={manualForm.name} onChange={(e) => setManualForm(f => ({ ...f, name: e.target.value }))} className="w-full border rounded px-2 py-1 text-xs" placeholder="식당 이름" />
+                      <input value={manualForm.name} onChange={(e) => setManualForm(f => ({ ...f, name: e.target.value }))} className="w-full border rounded px-2 py-1 text-xs bg-white text-gray-900" placeholder="식당 이름" />
                     </div>
                     <div>
                       <label className="text-[10px] text-gray-500">주소</label>
-                      <input value={manualForm.address} onChange={(e) => setManualForm(f => ({ ...f, address: e.target.value }))} className="w-full border rounded px-2 py-1 text-xs" placeholder="주소 (없으면 지역)" />
+                      <input value={manualForm.address} onChange={(e) => setManualForm(f => ({ ...f, address: e.target.value }))} className="w-full border rounded px-2 py-1 text-xs bg-white text-gray-900" placeholder="주소 (없으면 지역)" />
                     </div>
                     <div>
                       <label className="text-[10px] text-gray-500">지역</label>
-                      <input value={manualForm.region} onChange={(e) => setManualForm(f => ({ ...f, region: e.target.value }))} className="w-full border rounded px-2 py-1 text-xs" placeholder="서울 강남" />
+                      <input value={manualForm.region} onChange={(e) => setManualForm(f => ({ ...f, region: e.target.value }))} className="w-full border rounded px-2 py-1 text-xs bg-white text-gray-900" placeholder="서울 강남" />
                     </div>
                     <div>
                       <label className="text-[10px] text-gray-500">음식 종류</label>
-                      <input value={manualForm.cuisine_type} onChange={(e) => setManualForm(f => ({ ...f, cuisine_type: e.target.value }))} className="w-full border rounded px-2 py-1 text-xs" placeholder="한식, 일식..." />
+                      <input value={manualForm.cuisine_type} onChange={(e) => setManualForm(f => ({ ...f, cuisine_type: e.target.value }))} className="w-full border rounded px-2 py-1 text-xs bg-white text-gray-900" placeholder="한식, 일식..." />
                     </div>
                   </div>
                   <div className="grid grid-cols-2 gap-2">
                     <div>
                       <label className="text-[10px] text-gray-500">메뉴</label>
-                      <input value={manualForm.foods_mentioned} onChange={(e) => setManualForm(f => ({ ...f, foods_mentioned: e.target.value }))} className="w-full border rounded px-2 py-1 text-xs" placeholder="메뉴1, 메뉴2" />
+                      <input value={manualForm.foods_mentioned} onChange={(e) => setManualForm(f => ({ ...f, foods_mentioned: e.target.value }))} className="w-full border rounded px-2 py-1 text-xs bg-white text-gray-900" placeholder="메뉴1, 메뉴2" />
                     </div>
                     <div>
                       <label className="text-[10px] text-gray-500">게스트</label>
-                      <input value={manualForm.guests} onChange={(e) => setManualForm(f => ({ ...f, guests: e.target.value }))} className="w-full border rounded px-2 py-1 text-xs" placeholder="게스트1, 게스트2" />
+                      <input value={manualForm.guests} onChange={(e) => setManualForm(f => ({ ...f, guests: e.target.value }))} className="w-full border rounded px-2 py-1 text-xs bg-white text-gray-900" placeholder="게스트1, 게스트2" />
                     </div>
                   </div>
                   <div>
                     <label className="text-[10px] text-gray-500">평가/요약</label>
-                    <textarea value={manualForm.evaluation} onChange={(e) => setManualForm(f => ({ ...f, evaluation: e.target.value }))} className="w-full border rounded px-2 py-1 text-xs" rows={2} placeholder="맛집 평가 내용" />
+                    <textarea value={manualForm.evaluation} onChange={(e) => setManualForm(f => ({ ...f, evaluation: e.target.value }))} className="w-full border rounded px-2 py-1 text-xs bg-white text-gray-900" rows={2} placeholder="맛집 평가 내용" />
                   </div>
                   <div className="flex gap-2">
                     <button
@@ -1257,7 +1257,7 @@ function VideosPanel({ isAdmin }: { isAdmin: boolean }) {
                 <textarea
                   value={prompt}
                   onChange={(e) => setPrompt(e.target.value)}
-                  className="w-full border rounded p-2 text-xs font-mono mb-2 bg-gray-50"
+                  className="w-full border rounded p-2 text-xs font-mono mb-2 bg-white text-gray-900"
                   rows={12}
                   placeholder="프롬프트 템플릿 ({title}, {transcript} 변수 사용)"
                 />
@@ -1271,39 +1271,39 @@ function VideosPanel({ isAdmin }: { isAdmin: boolean }) {
                           <div className="space-y-2">
                             <div>
                               <label className="text-xs text-gray-500">이름</label>
-                              <input value={editRest.name} onChange={(e) => setEditRest({ ...editRest, name: e.target.value })} className="w-full border rounded px-2 py-1 text-sm" />
+                              <input value={editRest.name} onChange={(e) => setEditRest({ ...editRest, name: e.target.value })} className="w-full border rounded px-2 py-1 text-sm bg-white text-gray-900" />
                             </div>
                             <div className="grid grid-cols-2 gap-2">
                               <div>
                                 <label className="text-xs text-gray-500">종류</label>
-                                <input value={editRest.cuisine_type} onChange={(e) => setEditRest({ ...editRest, cuisine_type: e.target.value })} className="w-full border rounded px-2 py-1 text-xs" />
+                                <input value={editRest.cuisine_type} onChange={(e) => setEditRest({ ...editRest, cuisine_type: e.target.value })} className="w-full border rounded px-2 py-1 text-xs bg-white text-gray-900" />
                               </div>
                               <div>
                                 <label className="text-xs text-gray-500">가격대</label>
-                                <input value={editRest.price_range} onChange={(e) => setEditRest({ ...editRest, price_range: e.target.value })} className="w-full border rounded px-2 py-1 text-xs" />
+                                <input value={editRest.price_range} onChange={(e) => setEditRest({ ...editRest, price_range: e.target.value })} className="w-full border rounded px-2 py-1 text-xs bg-white text-gray-900" />
                               </div>
                             </div>
                             <div className="grid grid-cols-2 gap-2">
                               <div>
                                 <label className="text-xs text-gray-500">지역</label>
-                                <input value={editRest.region} onChange={(e) => setEditRest({ ...editRest, region: e.target.value })} className="w-full border rounded px-2 py-1 text-xs" />
+                                <input value={editRest.region} onChange={(e) => setEditRest({ ...editRest, region: e.target.value })} className="w-full border rounded px-2 py-1 text-xs bg-white text-gray-900" />
                               </div>
                               <div>
                                 <label className="text-xs text-gray-500">주소</label>
-                                <input value={editRest.address} onChange={(e) => setEditRest({ ...editRest, address: e.target.value })} className="w-full border rounded px-2 py-1 text-xs" />
+                                <input value={editRest.address} onChange={(e) => setEditRest({ ...editRest, address: e.target.value })} className="w-full border rounded px-2 py-1 text-xs bg-white text-gray-900" />
                               </div>
                             </div>
                             <div>
                               <label className="text-xs text-gray-500">메뉴 (쉼표 구분)</label>
-                              <input value={editRest.foods_mentioned} onChange={(e) => setEditRest({ ...editRest, foods_mentioned: e.target.value })} className="w-full border rounded px-2 py-1 text-xs" placeholder="메뉴1, 메뉴2, ..." />
+                              <input value={editRest.foods_mentioned} onChange={(e) => setEditRest({ ...editRest, foods_mentioned: e.target.value })} className="w-full border rounded px-2 py-1 text-xs bg-white text-gray-900" placeholder="메뉴1, 메뉴2, ..." />
                             </div>
                             <div>
                               <label className="text-xs text-gray-500">평가/요약</label>
-                              <textarea value={editRest.evaluation} onChange={(e) => setEditRest({ ...editRest, evaluation: e.target.value })} className="w-full border rounded px-2 py-1 text-xs" rows={2} />
+                              <textarea value={editRest.evaluation} onChange={(e) => setEditRest({ ...editRest, evaluation: e.target.value })} className="w-full border rounded px-2 py-1 text-xs bg-white text-gray-900" rows={2} />
                             </div>
                             <div>
                               <label className="text-xs text-gray-500">게스트 (쉼표 구분)</label>
-                              <input value={editRest.guests} onChange={(e) => setEditRest({ ...editRest, guests: e.target.value })} className="w-full border rounded px-2 py-1 text-xs" />
+                              <input value={editRest.guests} onChange={(e) => setEditRest({ ...editRest, guests: e.target.value })} className="w-full border rounded px-2 py-1 text-xs bg-white text-gray-900" />
                             </div>
                             <div className="flex gap-2">
                               <button
@@ -1442,7 +1442,7 @@ function VideosPanel({ isAdmin }: { isAdmin: boolean }) {
                   <select
                     value={transcriptMode}
                     onChange={(e) => setTranscriptMode(e.target.value as "auto" | "manual" | "generated")}
-                    className="border rounded px-2 py-1 text-xs"
+                    className="border rounded px-2 py-1 text-xs bg-white text-gray-900"
                   >
                     <option value="auto">자동 (수동→자동생성)</option>
                     <option value="manual">수동 자막만</option>
@@ -1598,7 +1598,7 @@ function RestaurantsPanel({ isAdmin }: { isAdmin: boolean }) {
             value={nameSearch}
             onChange={(e) => { setNameSearch(e.target.value); setPage(0); }}
             onKeyDown={(e) => e.key === "Escape" && setNameSearch("")}
-            className="border border-r-0 rounded-l px-3 py-2 text-sm w-48"
+            className="border border-r-0 rounded-l px-3 py-2 text-sm w-48 bg-white text-gray-900"
           />
           {nameSearch ? (
             <button
@@ -1624,7 +1624,7 @@ function RestaurantsPanel({ isAdmin }: { isAdmin: boolean }) {
 
       <div className="bg-white rounded-lg shadow overflow-auto">
         <table className="w-full text-sm">
-          <thead className="bg-gray-50 border-b">
+          <thead className="bg-gray-100 border-b text-gray-700 text-sm font-semibold">
             <tr>
               <th className="text-left px-4 py-3 cursor-pointer select-none hover:bg-gray-100" onClick={() => handleSort("name")}>이름{sortIcon("name")}</th>
               <th className="text-left px-4 py-3 cursor-pointer select-none hover:bg-gray-100" onClick={() => handleSort("region")}>지역{sortIcon("region")}</th>
@@ -1706,7 +1706,7 @@ function RestaurantsPanel({ isAdmin }: { isAdmin: boolean }) {
                 <input
                   value={editForm[key] || ""}
                   onChange={(e) => setEditForm((f) => ({ ...f, [key]: e.target.value }))}
-                  className="w-full border rounded px-2 py-1.5 text-sm"
+                  className="w-full border rounded px-2 py-1.5 text-sm bg-white text-gray-900"
                   disabled={!isAdmin}
                 />
               </div>
@@ -1866,7 +1866,7 @@ function UsersPanel() {
       {/* Users Table */}
       <div className="bg-white rounded-lg shadow overflow-hidden">
         <table className="w-full text-sm">
-          <thead className="bg-gray-50 text-gray-600">
+          <thead className="bg-gray-100 border-b text-gray-700 text-sm font-semibold">
             <tr>
               <th className="text-left px-4 py-2">사용자</th>
               <th className="text-left px-4 py-2">이메일</th>
diff --git a/frontend/src/app/page.tsx b/frontend/src/app/page.tsx
index 81f6115..82a0ab2 100644
--- a/frontend/src/app/page.tsx
+++ b/frontend/src/app/page.tsx
@@ -392,6 +392,7 @@ export default function Home() {
       selectedId={selected?.id}
       onSelect={handleSelectRestaurant}
       loading={loading}
+      keyPrefix="d-"
     />
   );
 
@@ -415,6 +416,7 @@ export default function Home() {
       selectedId={selected?.id}
       onSelect={handleSelectRestaurant}
       loading={loading}
+      keyPrefix="m-"
     />
   );
 
diff --git a/frontend/src/components/RestaurantList.tsx b/frontend/src/components/RestaurantList.tsx
index a236181..977008c 100644
--- a/frontend/src/components/RestaurantList.tsx
+++ b/frontend/src/components/RestaurantList.tsx
@@ -9,6 +9,7 @@ interface RestaurantListProps {
   selectedId?: string;
   onSelect: (r: Restaurant) => void;
   loading?: boolean;
+  keyPrefix?: string;
 }
 
 export default function RestaurantList({
@@ -16,6 +17,7 @@ export default function RestaurantList({
   selectedId,
   onSelect,
   loading,
+  keyPrefix = "",
 }: RestaurantListProps) {
   if (loading) {
     return <RestaurantListSkeleton />;
@@ -33,7 +35,7 @@ export default function RestaurantList({
     <div className="p-3 space-y-2">
       {restaurants.map((r) => (
         <button
-          key={r.id}
+          key={`${keyPrefix}${r.id}`}
           onClick={() => onSelect(r)}
           className={`w-full text-left p-3 rounded-xl shadow-sm border transition-all hover:shadow-md hover:-translate-y-0.5 ${
             selectedId === r.id