diff --git a/frontend/src/App.jsx b/frontend/src/App.jsx
index dfd8706..d27d291 100644
--- a/frontend/src/App.jsx
+++ b/frontend/src/App.jsx
@@ -34,8 +34,8 @@ function App() {
   const isAuthPage = ['/login', '/register'].includes(location.pathname) || 
                      location.pathname.startsWith('/verify/');
   
-  // 별도 레이아웃 페이지 (관리자, 프로필)
-  const isStandalonePage = ['/admin', '/profile'].includes(location.pathname);
+  // 별도 레이아웃 페이지 (모바일에서만 standalone)
+  const isStandalonePage = (location.pathname === '/admin' || location.pathname === '/profile') && isMobile;
 
   // 라우트 전환 시 스크롤 맨 위로
   useEffect(() => {
@@ -68,8 +68,8 @@ function App() {
           <div className="absolute inset-0 bg-[url('https://www.transparenttextures.com/patterns/cubes.png')] opacity-[0.03] pointer-events-none"></div>
           <AnimatePresence mode="wait">
             <Routes location={location} key={location.pathname}>
-              <Route path="/admin" element={<PageWrapper><Admin /></PageWrapper>} />
-              <Route path="/profile" element={<PageWrapper><ProfilePage /></PageWrapper>} />
+              <Route path="/admin" element={<PageWrapper><Admin isMobile={isMobile} /></PageWrapper>} />
+              <Route path="/profile" element={<PageWrapper><ProfilePage isMobile={isMobile} /></PageWrapper>} />
             </Routes>
           </AnimatePresence>
         </div>
@@ -95,6 +95,8 @@ function App() {
                 <Route path="/players" element={<PageWrapper><PlayersPage isMobile={isMobile} /></PageWrapper>} />
                 <Route path="/player/:uuid/stats" element={<PageWrapper><PlayerStatsPage isMobile={isMobile} /></PageWrapper>} />
                 <Route path="/worldmap" element={<PageWrapper><WorldMapPage isMobile={isMobile} /></PageWrapper>} />
+                <Route path="/profile" element={<PageWrapper><ProfilePage isMobile={isMobile} /></PageWrapper>} />
+                <Route path="/admin" element={<PageWrapper><Admin isMobile={isMobile} /></PageWrapper>} />
               </Routes>
             </AnimatePresence>
           </main>
diff --git a/frontend/src/components/Sidebar.jsx b/frontend/src/components/Sidebar.jsx
index 86bbb58..b65f5d7 100644
--- a/frontend/src/components/Sidebar.jsx
+++ b/frontend/src/components/Sidebar.jsx
@@ -62,7 +62,7 @@ const Sidebar = ({ isMobile = false }) => {
           setMinecraftLink(data);
         }
       } catch (error) {
-        console.error('연동 상태 확인 실패:', error);
+        // 에러 무시
       }
     };
     
@@ -72,41 +72,41 @@ const Sidebar = ({ isMobile = false }) => {
   // 서버 상태 확인 (socket.io) + 닉네임 변경 시에만 동기화
   useEffect(() => {
     const socket = io(window.location.origin, { path: '/socket.io' });
+    let isSyncing = false;
     
-    // 닉네임 동기화 함수 (변경 시에만 호출됨)
-    const syncNickname = async () => {
-      if (!isLoggedIn) return;
-      try {
-        const token = localStorage.getItem('token');
-        const res = await fetch('/link/status', {
-          headers: { 'Authorization': `Bearer ${token}` }
-        });
-        const data = await res.json();
-        if (data.linked) {
-          setMinecraftLink(data);
-          // fetch 완료 후 checkAuth로 user.name 갱신
-          await checkAuth();
-        }
-      } catch (error) {
-        // 무시
-      }
-    };
-    
-    socket.on('status', (status) => {
+    socket.on('status', async (status) => {
       setServerOnline(status?.online || false);
       
+      // 동기화 중이면 스킵
+      if (isSyncing) return;
+      
       // 연동된 유저인 경우, 소켓에서 받은 닉네임과 현재 닉네임 비교
       if (status?.online && minecraftLink?.minecraftUuid && status?.players?.list) {
         const playerInGame = status.players.list.find(p => p.uuid === minecraftLink.minecraftUuid);
         // 게임 내 닉네임과 현재 저장된 닉네임이 다르면 동기화
         if (playerInGame && playerInGame.name !== user?.name) {
-          syncNickname();
+          isSyncing = true;
+          try {
+            const token = localStorage.getItem('token');
+            const res = await fetch('/link/status', {
+              headers: { 'Authorization': `Bearer ${token}` }
+            });
+            const data = await res.json();
+            if (data.linked) {
+              setMinecraftLink(data);
+              await checkAuth();
+            }
+          } catch (error) {
+            // 무시
+          } finally {
+            isSyncing = false;
+          }
         }
       }
     });
     
     return () => socket.disconnect();
-  }, [isLoggedIn, minecraftLink?.minecraftUuid, user?.name]);
+  }, [isLoggedIn, minecraftLink?.minecraftUuid, user?.name, checkAuth]);
 
   // 토스트 자동 숨기기
   useEffect(() => {
diff --git a/frontend/src/index.css b/frontend/src/index.css
index a8299f7..0d69a4f 100644
--- a/frontend/src/index.css
+++ b/frontend/src/index.css
@@ -2,10 +2,9 @@
 @tailwind components;
 @tailwind utilities;
 
-/* 기본 body 스타일 - 다크 배경 (약간 밝게) */
+/* 기본 body 스타일 - 다크 배경 */
 body {
-  background: linear-gradient(135deg, #141414 0%, #181a18 50%, #141414 100%);
-  background-attachment: fixed;
+  background: #141414;
   min-height: 100vh;
 }
 
diff --git a/frontend/src/pages/Admin.jsx b/frontend/src/pages/Admin.jsx
index d8bf58a..b6279a8 100644
--- a/frontend/src/pages/Admin.jsx
+++ b/frontend/src/pages/Admin.jsx
@@ -3,13 +3,13 @@
  */
 
 import { useEffect, useState } from 'react';
-import { useNavigate, useLocation } from 'react-router-dom';
+import { useNavigate, useLocation, Link } from 'react-router-dom';
 import { useAuth } from '../contexts/AuthContext';
-import { Shield, LogOut, Settings, Server, Users, Loader2 } from 'lucide-react';
+import { Shield, ArrowLeft, Settings, Server, Users, Loader2, User, Terminal, MessageSquare } from 'lucide-react';
 import { motion, AnimatePresence } from 'framer-motion';
 
-export default function Admin() {
-  const { isLoggedIn, isAdmin, user, loading, logout } = useAuth();
+export default function Admin({ isMobile = false }) {
+  const { isLoggedIn, isAdmin, user, loading } = useAuth();
   const navigate = useNavigate();
   const location = useLocation();
   const [toast, setToast] = useState(null);
@@ -18,7 +18,6 @@ export default function Admin() {
   useEffect(() => {
     if (!loading) {
       if (!isLoggedIn) {
-        // 로그인 후 다시 admin으로 돌아올 수 있도록 현재 경로 전달
         navigate('/login', { state: { from: location.pathname } });
       } else if (!isAdmin) {
         setToast('관리자 권한이 필요합니다.');
@@ -29,11 +28,6 @@ export default function Admin() {
     }
   }, [isLoggedIn, isAdmin, loading, navigate, location.pathname]);
 
-  const handleLogout = () => {
-    logout();
-    navigate('/');
-  };
-
   // 토스트 자동 숨기기
   useEffect(() => {
     if (toast) {
@@ -74,87 +68,128 @@ export default function Admin() {
   }
 
   return (
-    <div className="p-6 max-w-4xl mx-auto">
-      {/* 헤더 */}
-      <div className="flex items-center justify-between mb-8">
-        <div className="flex items-center gap-3">
-          <div className="p-3 rounded-xl bg-yellow-500/20 border border-yellow-500/30">
-            <Shield className="w-6 h-6 text-yellow-500" />
+    <div className="pb-8">
+      {/* 모바일용 헤더 */}
+      {isMobile && (
+        <header className="bg-mc-dark border-b border-white/10 sticky top-0 z-50 backdrop-blur-xl">
+          <div className="flex items-center h-14 px-4">
+            <Link
+              to="/"
+              className="p-2 -ml-2 rounded-lg text-zinc-400 hover:text-white hover:bg-white/5 transition-colors"
+            >
+              <ArrowLeft size={20} />
+            </Link>
+            <div className="ml-2">
+              <h1 className="text-lg font-bold text-white">관리자</h1>
+              <p className="text-xs text-zinc-500">서버 관리 및 설정</p>
+            </div>
           </div>
-          <div>
+        </header>
+      )}
+
+      <main className={`max-w-4xl mx-auto px-4 sm:px-6 ${isMobile ? 'py-4' : 'py-8'} space-y-4 sm:space-y-6`}>
+        {/* 데스크탑용 타이틀 */}
+        {!isMobile && (
+          <div className="mb-6">
             <h1 className="text-2xl font-bold text-white">관리자 페이지</h1>
-            <p className="text-sm text-zinc-400">서버 관리 및 설정</p>
+            <p className="text-sm text-zinc-500 mt-1">서버 관리 및 설정</p>
           </div>
-        </div>
-        
-        <button
-          onClick={handleLogout}
-          className="flex items-center gap-2 px-4 py-2 bg-zinc-800 hover:bg-zinc-700 text-zinc-300 rounded-lg transition-colors"
-        >
-          <LogOut className="w-4 h-4" />
-          로그아웃
-        </button>
-      </div>
+        )}
 
-      {/* 사용자 정보 */}
-      <div className="bg-zinc-900 border border-zinc-800 rounded-2xl p-6 mb-6">
-        <h2 className="text-lg font-semibold text-white mb-4">로그인 정보</h2>
-        <div className="grid grid-cols-2 gap-4 text-sm">
-          <div>
-            <span className="text-zinc-500">이름</span>
-            <p className="text-white mt-1">{user?.name || '-'}</p>
+        {/* 관리자 정보 카드 */}
+        <section className="bg-zinc-900 border border-zinc-800 rounded-2xl p-6">
+          <h2 className="text-lg font-semibold text-white mb-6 flex items-center gap-2">
+            <Shield size={20} className="text-yellow-500" />
+            관리자 정보
+          </h2>
+          
+          <div className="flex items-center gap-6">
+            <div className="w-16 h-16 rounded-2xl bg-yellow-500/20 border border-yellow-500/30 flex items-center justify-center">
+              <User size={32} className="text-yellow-500" />
+            </div>
+            
+            <div className="flex-1 space-y-3">
+              <div>
+                <p className="text-sm text-zinc-500">닉네임</p>
+                <p className="text-lg font-medium text-white">{user?.name || '-'}</p>
+              </div>
+              <div>
+                <p className="text-sm text-zinc-500">이메일</p>
+                <p className="text-white">{user?.email}</p>
+              </div>
+            </div>
           </div>
-          <div>
-            <span className="text-zinc-500">이메일</span>
-            <p className="text-white mt-1">{user?.email}</p>
-          </div>
-        </div>
-      </div>
+        </section>
 
-      {/* 관리 기능 카드 */}
-      <div className="grid grid-cols-1 md:grid-cols-2 gap-4">
-        {/* 서버 상태 */}
-        <div className="bg-zinc-900 border border-zinc-800 rounded-2xl p-6">
-          <div className="flex items-center gap-3 mb-4">
-            <Server className="w-5 h-5 text-mc-green" />
-            <h2 className="text-lg font-semibold text-white">서버 상태</h2>
-          </div>
-          <p className="text-zinc-400 text-sm">
-            마인크래프트 서버 상태 모니터링 및 관리
-          </p>
-          <div className="mt-4 py-2 px-3 bg-mc-green/10 border border-mc-green/20 rounded-lg text-mc-green text-sm inline-block">
-            정상 작동 중
-          </div>
-        </div>
+        {/* 서버 관리 섹션 */}
+        <section className="bg-zinc-900 border border-zinc-800 rounded-2xl p-6">
+          <h2 className="text-lg font-semibold text-white mb-6 flex items-center gap-2">
+            <Server size={20} className="text-mc-green" />
+            서버 관리
+          </h2>
+          
+          <div className="space-y-4">
+            {/* 서버 명령어 */}
+            <div className="p-4 bg-zinc-800/50 rounded-xl">
+              <div className="flex items-center gap-3 mb-2">
+                <Terminal size={18} className="text-zinc-400" />
+                <p className="font-medium text-white">서버 명령어</p>
+              </div>
+              <p className="text-sm text-zinc-400 mb-3">
+                마인크래프트 서버에 명령어를 전송합니다.
+              </p>
+              <div className="text-zinc-500 text-sm">
+                추후 업데이트 예정
+              </div>
+            </div>
 
-        {/* 플레이어 관리 */}
-        <div className="bg-zinc-900 border border-zinc-800 rounded-2xl p-6">
-          <div className="flex items-center gap-3 mb-4">
-            <Users className="w-5 h-5 text-blue-400" />
-            <h2 className="text-lg font-semibold text-white">플레이어 관리</h2>
+            {/* 공지 전송 */}
+            <div className="p-4 bg-zinc-800/50 rounded-xl">
+              <div className="flex items-center gap-3 mb-2">
+                <MessageSquare size={18} className="text-zinc-400" />
+                <p className="font-medium text-white">공지 전송</p>
+              </div>
+              <p className="text-sm text-zinc-400 mb-3">
+                게임 내 모든 플레이어에게 공지를 전송합니다.
+              </p>
+              <div className="text-zinc-500 text-sm">
+                추후 업데이트 예정
+              </div>
+            </div>
           </div>
-          <p className="text-zinc-400 text-sm">
+        </section>
+
+        {/* 플레이어 관리 섹션 */}
+        <section className="bg-zinc-900 border border-zinc-800 rounded-2xl p-6">
+          <h2 className="text-lg font-semibold text-white mb-6 flex items-center gap-2">
+            <Users size={20} className="text-blue-400" />
+            플레이어 관리
+          </h2>
+          
+          <p className="text-sm text-zinc-400">
             접속 중인 플레이어 목록 및 관리 기능
           </p>
           <div className="mt-4 text-zinc-500 text-sm">
             추후 업데이트 예정
           </div>
-        </div>
+        </section>
 
-        {/* 설정 */}
-        <div className="bg-zinc-900 border border-zinc-800 rounded-2xl p-6 md:col-span-2">
-          <div className="flex items-center gap-3 mb-4">
-            <Settings className="w-5 h-5 text-zinc-400" />
-            <h2 className="text-lg font-semibold text-white">설정</h2>
-          </div>
-          <p className="text-zinc-400 text-sm">
+        {/* 설정 섹션 */}
+        <section className="bg-zinc-900 border border-zinc-800 rounded-2xl p-6">
+          <h2 className="text-lg font-semibold text-white mb-6 flex items-center gap-2">
+            <Settings size={20} className="text-zinc-400" />
+            설정
+          </h2>
+          
+          <p className="text-sm text-zinc-400">
             대시보드 설정 및 구성 관리
           </p>
           <div className="mt-4 text-zinc-500 text-sm">
             추후 업데이트 예정
           </div>
-        </div>
-      </div>
+        </section>
+      </main>
     </div>
   );
 }
+
diff --git a/frontend/src/pages/ProfilePage.jsx b/frontend/src/pages/ProfilePage.jsx
index 1a856e0..1591a72 100644
--- a/frontend/src/pages/ProfilePage.jsx
+++ b/frontend/src/pages/ProfilePage.jsx
@@ -10,7 +10,7 @@ import { ArrowLeft, Copy, Check, Gamepad2, Link as LinkIcon, Unlink, RefreshCw,
 import { motion, AnimatePresence } from 'framer-motion';
 import { io } from 'socket.io-client';
 
-export default function ProfilePage() {
+export default function ProfilePage({ isMobile = false }) {
   const navigate = useNavigate();
   const location = useLocation();
   const { user, isLoggedIn, loading, checkAuth, logout } = useAuth();
@@ -32,6 +32,20 @@ export default function ProfilePage() {
   }, [loading, isLoggedIn, navigate, location.pathname]);
 
   // 연동 상태 확인
+  const fetchLinkStatus = async () => {
+    try {
+      const token = localStorage.getItem('token');
+      const res = await fetch('/link/status', {
+        headers: { 'Authorization': `Bearer ${token}` }
+      });
+      const data = await res.json();
+      setLinkStatus(data);
+      return data;
+    } catch (error) {
+      return null;
+    }
+  };
+
   useEffect(() => {
     fetchLinkStatus();
   }, []);
@@ -46,7 +60,6 @@ export default function ProfilePage() {
         setPolling(false);
         setLinkToken(null);
         setCommand('');
-        // 유저 정보 새로고침
         await checkAuth();
       }
     }, 3000);
@@ -59,10 +72,8 @@ export default function ProfilePage() {
     if (!linkToken) return;
     
     const handleBeforeUnload = (e) => {
-      // 토큰 무효화 API 호출 (sendBeacon으로 페이지 이탈 전 전송)
       const token = localStorage.getItem('token');
       navigator.sendBeacon('/link/cancel', JSON.stringify({ authToken: token }));
-      
       e.preventDefault();
       e.returnValue = '연동이 진행 중입니다. 페이지를 떠나시겠습니까?';
       return e.returnValue;
@@ -77,15 +88,22 @@ export default function ProfilePage() {
     if (!linkStatus?.minecraftUuid) return;
     
     const socket = io(window.location.origin, { path: '/socket.io' });
+    let isSyncing = false;
     
     socket.on('status', async (status) => {
-      if (status?.online && status?.players?.list) {
-        const playerInGame = status.players.list.find(p => p.uuid === linkStatus.minecraftUuid);
-        // 게임 내 닉네임과 현재 저장된 닉네임이 다르면 동기화
-        if (playerInGame && playerInGame.name !== user?.name) {
-          // fetchLinkStatus가 DB 업데이트 → 완료 후 checkAuth로 user.name 갱신
+      if (!status?.online || !status?.players?.list) return;
+      if (isSyncing) return;
+      
+      const playerInGame = status.players.list.find(p => p.uuid === linkStatus.minecraftUuid);
+      if (playerInGame && playerInGame.name !== user?.name) {
+        isSyncing = true;
+        try {
           await fetchLinkStatus();
           await checkAuth();
+        } catch (error) {
+          // 무시
+        } finally {
+          isSyncing = false;
         }
       }
     });
@@ -93,21 +111,6 @@ export default function ProfilePage() {
     return () => socket.disconnect();
   }, [linkStatus?.minecraftUuid, user?.name]);
 
-  const fetchLinkStatus = async () => {
-    try {
-      const token = localStorage.getItem('token');
-      const res = await fetch('/link/status', {
-        headers: { 'Authorization': `Bearer ${token}` }
-      });
-      const data = await res.json();
-      setLinkStatus(data);
-      return data;
-    } catch (error) {
-      console.error('연동 상태 확인 실패:', error);
-      return null;
-    }
-  };
-
   const handleRequestLink = async () => {
     setIsLoading(true);
     try {
@@ -175,26 +178,33 @@ export default function ProfilePage() {
   if (!user) return null;
 
   return (
-    <div className="bg-mc-bg pb-8">
-      {/* 헤더 */}
-      <header className="bg-mc-dark border-b border-white/10 sticky top-0 z-50 backdrop-blur-xl">
-        <div className="max-w-4xl mx-auto px-4 sm:px-6 py-4 flex items-center justify-between">
-          <div className="flex items-center gap-4">
+    <div className="pb-8">
+      {/* 모바일용 헤더 */}
+      {isMobile && (
+        <header className="bg-mc-dark border-b border-white/10 sticky top-0 z-50 backdrop-blur-xl">
+          <div className="flex items-center h-14 px-4">
             <Link
               to="/"
-              className="p-2 rounded-lg text-zinc-400 hover:text-white hover:bg-white/5 transition-colors"
+              className="p-2 -ml-2 rounded-lg text-zinc-400 hover:text-white hover:bg-white/5 transition-colors"
             >
               <ArrowLeft size={20} />
             </Link>
-            <div>
-              <h1 className="text-xl font-bold text-white">프로필</h1>
-              <p className="text-sm text-zinc-500">계정 정보 및 마인크래프트 연동</p>
+            <div className="ml-2">
+              <h1 className="text-lg font-bold text-white">프로필</h1>
+              <p className="text-xs text-zinc-500">계정 정보 및 마인크래프트 연동</p>
             </div>
           </div>
-        </div>
-      </header>
+        </header>
+      )}
 
-      <main className="max-w-4xl mx-auto px-4 sm:px-6 py-6 sm:py-8 space-y-4 sm:space-y-6">
+      <main className={`max-w-4xl mx-auto px-4 sm:px-6 ${isMobile ? 'py-4' : 'py-8'} space-y-4 sm:space-y-6`}>
+        {/* 데스크탑용 타이틀 */}
+        {!isMobile && (
+          <div className="mb-6">
+            <h1 className="text-2xl font-bold text-white">프로필 관리</h1>
+            <p className="text-sm text-zinc-500 mt-1">계정 정보 및 마인크래프트 연동</p>
+          </div>
+        )}
         {/* 프로필 정보 카드 */}
         <section className="bg-zinc-900 border border-zinc-800 rounded-2xl p-6">
           <h2 className="text-lg font-semibold text-white mb-6 flex items-center gap-2">
@@ -310,14 +320,14 @@ export default function ProfilePage() {
         </section>
 
         {/* 계정 관리 섹션 */}
-        <section className="bg-zinc-900 border border-zinc-800 rounded-2xl p-6">
+        <section className="bg-zinc-900 rounded-2xl p-6">
           <h2 className="text-lg font-semibold text-white mb-6 flex items-center gap-2">
             <User size={20} className="text-zinc-400" />
             계정 관리
           </h2>
           
           <div className="space-y-4">
-            <div className="p-4 bg-zinc-800/50 border border-zinc-700 rounded-xl">
+            <div className="p-4 bg-zinc-800/50 rounded-xl">
               <p className="text-sm text-zinc-400 mb-3">
                 회원 탈퇴 시 모든 데이터가 삭제되며 복구할 수 없습니다.
               </p>