diff --git a/src/views/Main.vue b/src/views/Main.vue
index 2db6c41..1232820 100644
--- a/src/views/Main.vue
+++ b/src/views/Main.vue
@@ -175,42 +175,51 @@ const todayUnique = ref(0);
 const activeNow = ref(0);
 let analyticsTimer = null;
 
-// 🟢 [NEW] 워커 표지판을 담을 반응형 변수 (기본값: nas)
 const currentServerSource = ref('nas');
 
 const menuItems = [
   { id: 'main', name: 'HOME' },
   { id: 'youtube', name: 'YOUTUBE' },
-  { id: 'project', name: 'PROJECT' },
+  // { id: 'project', name: 'PROJECT' },
   { id: 'about', name: 'ABOUT' },
   { id: 'contact', name: 'CONTACT' }
 ];
 
 const isLoggedIn = computed(() => !!authToken.value);
 
-// 🟢  헤더 상태에 따른 터미널 UI 텍스트 변환
 const currentServerSourceDisplay = computed(() => {
   if (currentServerSource.value === 'firebase_night') {
-    return 'HOST: FIREBASE (NIGHT)';
+    return 'SYS: CLOUD_REDUNDANCY (NIGHT)';
   }
   if (currentServerSource.value === 'firebase_failover') {
-    return 'HOST: FIREBASE (FAILOVER)';
+    return 'SYS: EMERGENCY_MIRROR (FAILOVER)';
   }
-  return 'HOST: GNET-NAS (LOCAL)';
+  if (currentServerSource.value === 'firebase_direct') {
+    return 'SYS: CLOUD_DIRECT (BYPASS)';
+  }
+  return 'SYS: LOCAL_CORE (ACTIVE)';
 });
 
-// 🟢 [NEW] 워커가 날려준 'x-served-by' 헤더를 직접 읽어 판별하는 핵심 감지 엔진
 const detectRealtimeServerSource = async () => {
+  const hostname = window.location.hostname;
+
+  if (hostname.includes('web.app') || hostname.includes('firebase')) {
+    currentServerSource.value = 'firebase_direct';
+    return;
+  }
+
   try {
-    // 0바이트 짜리 초고속 HEAD 요청을 내 도메인으로 전송하여 헤더만 가볍게 긁어옴
     const res = await fetch(window.location.origin, { method: 'HEAD' });
     const servedBy = res.headers.get('x-served-by');
 
     if (servedBy) {
-      currentServerSource.value = servedBy; // 'nas', 'firebase_night', 'firebase_failover' 적용
+      currentServerSource.value = servedBy;
+    } else {
+      currentServerSource.value = 'nas';
     }
   } catch (err) {
     console.error("실시간 서버 소스 판별 실패:", err);
+    currentServerSource.value = 'firebase_failover';
   }
 };
 
@@ -290,26 +299,6 @@ const changeMenu = (id) => {
   }, 20);
 };
 
-const triggerOverlayProcess = (durationMs, initialMsg) => {
-  isProcessing.value = true;
-  overlayProgress.value = 0;
-  overlayStatus.value = initialMsg;
-
-  const steps = 20;
-  const stepTime = durationMs / steps;
-
-  const interval = setInterval(() => {
-    if (overlayProgress.value >= 100) {
-      clearInterval(interval);
-      setTimeout(() => {
-        isProcessing.value = false;
-      }, 150);
-      return;
-    }
-    overlayProgress.value += (100 / steps);
-  }, stepTime);
-};
-
 const apiKey = 'AIzaSyD51LHwqoY8spjq6rsY_RlhBXzb96j7D6o';
 const channelId = 'UC8L92ju0V88s6TcmLPb8Bkg';
 const maxResults = 8;
@@ -398,12 +387,11 @@ onMounted(() => {
   fetchVideos();
   fetchAnalyticsData();
 
-  // 🟢 [NEW] 부팅 시 표지판 헤더를 확인하여 소스지 즉시 감지
   detectRealtimeServerSource();
 
   analyticsTimer = setInterval(() => {
     fetchAnalyticsData();
-    detectRealtimeServerSource(); // 30초마다 생존 여부 및 경로 실시간 트래킹
+    detectRealtimeServerSource();
   }, 30000);
 
   const globaljQuery = window.$;
@@ -442,7 +430,7 @@ onMounted(() => {
       },
 
       'help': function () {
-        this.echo(`- hello          : Say hello\n- specialsource  : Core info\n- email          : Contact\n- status         : Check Live Connected Users (접속자 확인)\n- clear          : Clear console`);
+        this.echo(`- hello          : Say hello\n- specialsource  : Core info\n- email          : Contact\n- status         : Check Live Connected Users\n- clear          : Clear console`);
       },
     }, {
       greetings: `[SYSTEM V3.2] INTERFACE ONLINE. TYPE 'help' FOR COMMANDS.`,
@@ -550,7 +538,6 @@ onUnmounted(() => {
   box-shadow: 0 0 8px var(--tui-glow);
 }
 
-/* 🟢 [NEW] 터미널 감성의 실시간 감지 서버 배지 스타일링 */
 .server-badge {
   font-size: 11px;
   font-weight: bold;
@@ -561,25 +548,10 @@ onUnmounted(() => {
   border-radius: 2px;
   transition: 0.3s;
 }
-/* NAS 활성화 상태 (그린 계열/현재 테마 컬러 적용) */
-.server-badge.nas {
-  color: var(--tui-color);
-  text-shadow: 0 0 5px var(--tui-glow);
-  border-color: var(--tui-border);
-}
-/* 정기 야간 Firebase 백업 작동 상태 (호박색) */
-.server-badge.firebase_night {
-  color: #ffb000;
-  text-shadow: 0 0 5px rgba(255, 176, 0, 0.6);
-  border-color: rgba(255, 176, 0, 0.3);
-}
-/* 대낮 비상 통신장애 Firebase 백업 가동 상태 (강력한 레드 경고 & 점멸) */
-.server-badge.firebase_failover {
-  color: #ff3b3b;
-  text-shadow: 0 0 8px #ff3b3b;
-  border-color: rgba(255, 59, 59, 0.4);
-  animation: badgeBlink 1.5s infinite ease-in-out;
-}
+.server-badge.nas { color: var(--tui-color); text-shadow: 0 0 5px var(--tui-glow); border-color: var(--tui-border); }
+.server-badge.firebase_night { color: #ffb000; text-shadow: 0 0 5px rgba(255, 176, 0, 0.6); border-color: rgba(255, 176, 0, 0.3); }
+.server-badge.firebase_direct { color: #ffb000; text-shadow: 0 0 8px rgba(255, 176, 0, 0.6); border-color: rgba(255, 176, 0, 0.4); }
+.server-badge.firebase_failover { color: #ff3b3b; text-shadow: 0 0 8px #ff3b3b; border-color: rgba(255, 59, 59, 0.4); animation: badgeBlink 1.5s infinite ease-in-out; }
 
 /* --- GNB --- */
 .auth-nav {
@@ -592,117 +564,53 @@ onUnmounted(() => {
 }
 .nav-left { display: flex; align-items: center; gap: 15px; }
 .nav-menu { display: flex; gap: 20px; }
-.menu-btn {
-  background: none; border: none; color: var(--tui-dim);
-  font-size: 16px; cursor: pointer;
-  transition: 0.3s;
-}
+.menu-btn { background: none; border: none; color: var(--tui-dim); font-size: 16px; cursor: pointer; transition: 0.3s; }
 .menu-btn:hover, .menu-btn.active { color: var(--tui-color); text-shadow: 0 0 10px var(--tui-color); }
-
 .auth-group { display: flex; align-items: center; }
 
 .nav-item {
-  color: var(--tui-color) !important;
-  text-decoration: none;
-  background: none;
-  border: 1px solid var(--tui-color) !important;
-  padding: 6px 18px;
-  margin-left: 10px;
-  cursor: pointer;
-  font-size: 13px;
-  box-shadow: 0 0 5px var(--tui-border);
-  transition: 0.3s;
+  color: var(--tui-color) !important; text-decoration: none; background: none;
+  border: 1px solid var(--tui-color) !important; padding: 6px 18px; margin-left: 10px;
+  cursor: pointer; font-size: 13px; box-shadow: 0 0 5px var(--tui-border); transition: 0.3s;
 }
 .nav-item:hover, .nav-item.active-auth {
-  background: var(--tui-border) !important;
-  color: var(--tui-color) !important;
-  box-shadow: 0 0 10px var(--tui-color);
+  background: var(--tui-border) !important; color: var(--tui-color) !important; box-shadow: 0 0 10px var(--tui-color);
 }
 .user-info { color: var(--tui-dim) !important; font-size: 12px; margin-right: 15px; letter-spacing: 1px;}
 .status-dot { width: 8px; height: 8px; background: #ff3b3b; border-radius: 50%; box-shadow: 0 0 8px #ff3b3b; transition: 0.5s; }
 .status-dot.secure-mode { background: var(--tui-color); box-shadow: 0 0 8px var(--tui-color); }
 
 /* --- 컨텐츠 영역 --- */
-.content-area {
-  flex: 1; padding: 20px; min-height: 400px;
-  overflow-y: auto;
-  display: flex;
-  flex-direction: column;
-}
+.content-area { flex: 1; padding: 20px; min-height: 400px; overflow-y: auto; display: flex; flex-direction: column; }
 .sub-page { max-width: 1000px; margin: 0 auto; padding-top: 15px; width: 100%; }
 .page-title { border-bottom: 1px solid var(--tui-border); padding-bottom: 10px; margin-bottom: 20px; color: var(--tui-color);}
 
-.main-page {
-  display: flex;
-  justify-content: center;
-  align-items: center;
-  flex: 1;
-  position: relative;
-}
+.main-page { display: flex; justify-content: center; align-items: center; flex: 1; position: relative; }
 
 .tui-global-overlay {
-  position: fixed;
-  top: 0;
-  left: 0;
-  width: 100vw;
-  height: 100vh;
-  background-color: rgba(0, 0, 0, 0.88);
-  z-index: 9999;
-  display: flex;
-  justify-content: center;
-  align-items: center;
-  pointer-events: all;
+  position: fixed; top: 0; left: 0; width: 100vw; height: 100vh;
+  background-color: rgba(0, 0, 0, 0.88); z-index: 9999; display: flex;
+  justify-content: center; align-items: center; pointer-events: all;
 }
 
-.ascii-container {
-  width: 100%;
-  overflow: auto;
-  padding: 20px;
-  box-sizing: border-box;
-  position: relative;
-}
+.ascii-container { width: 100%; overflow: auto; padding: 20px; box-sizing: border-box; position: relative; }
 .ascii-art {
-  font-weight: bold;
-  white-space: pre;
-  display: block;
-  margin: 0 auto;
-  width: max-content;
-
-  color: var(--tui-color) !important;
-  font-size: 14px;
-  line-height: 1.2;
-  border: none;
-  background: transparent;
-  transform-origin: center;
-  opacity: 1;
-
+  font-weight: bold; white-space: pre; display: block; margin: 0 auto; width: max-content;
+  color: var(--tui-color) !important; font-size: 14px; line-height: 1.2;
+  border: none; background: transparent; transform-origin: center; opacity: 1;
   animation: once-cyber-glitch-wobble 2.5s linear 1 forwards !important;
 }
 
-:deep(.bg-block) {
-  color: #050505 !important;
-  text-shadow: none !important;
-}
+:deep(.bg-block) { color: #050505 !important; text-shadow: none !important; }
 
 /* 📺 유튜브 그리드 레이아웃 */
 #videos-container {
-  display: grid;
-  grid-template-columns: repeat(4, 1fr);
-  gap: 20px;
-  padding: 10px 20px;
-  max-width: 1300px;
-  margin: 0 auto;
-  width: 100%;
-  box-sizing: border-box;
+  display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px;
+  padding: 10px 20px; max-width: 1300px; margin: 0 auto; width: 100%; box-sizing: border-box;
 }
 .video-card {
-  width: 100%;
-  background: #000;
-  padding: 10px;
-  border: 1px solid var(--tui-border);
-  position: relative;
-  cursor: pointer;
-  transition: 0.3s;
+  width: 100%; background: #000; padding: 10px; border: 1px solid var(--tui-border); box-sizing: border-box;
+  position: relative; cursor: pointer; transition: 0.3s;
 }
 .video-card:hover { border-color: var(--tui-color); box-shadow: 0 0 10px var(--tui-border); }
 .video-title { color: var(--tui-dim); margin-top: 10px; font-size: 14px; height: 40px; overflow: hidden; font-family: sans-serif; }
@@ -710,27 +618,22 @@ iframe { width: 100%; height: 180px; border-radius: 4px; }
 
 /* 보안 로그인 프레임 */
 .login-terminal-frame {
-  max-width: 550px; margin: 40px auto;
-  border: 1px dashed var(--tui-color); padding: 35px;
-  background: #020a02; box-shadow: 0 0 15px var(--tui-border);
+  max-width: 550px; margin: 40px auto; border: 1px dashed var(--tui-color); padding: 35px;
+  background: #020a02; box-shadow: 0 0 15px var(--tui-border); box-sizing: border-box;
 }
 .login-gate-title { color: var(--tui-color); font-size: 20px; margin-bottom: 10px; font-weight: bold;}
 .login-gate-desc { color: var(--tui-dim); font-size: 12px; margin-bottom: 30px; line-height: 1.4; }
 .login-form-form { display: flex; flex-direction: column; gap: 20px; }
 .login-input-group { display: flex; align-items: center; border-bottom: 1px solid var(--tui-dim); padding-bottom: 5px; }
-.login-label { width: 120px; color: var(--tui-color); font-weight: bold; font-size: 14px; }
-.login-input {
-  flex: 1; background: none; border: none; color: var(--tui-color);
-  font-size: 15px; outline: none;
-}
+.login-label { width: 120px; color: var(--tui-color); font-weight: bold; font-size: 14px; flex-shrink: 0; }
+.login-input { flex: 1; background: none; border: none; color: var(--tui-color); font-size: 15px; outline: none; min-width: 0; }
 .login-submit-btn {
   margin-top: 15px; background: none; border: 1px solid var(--tui-color);
-  color: var(--tui-color); padding: 12px;
-  font-size: 14px; font-weight: bold; cursor: pointer; transition: 0.3s;
+  color: var(--tui-color); padding: 12px; font-size: 14px; font-weight: bold; cursor: pointer; transition: 0.3s;
 }
 .login-submit-btn:hover { background: var(--tui-color); color: #000; box-shadow: 0 0 15px var(--tui-color); }
 
-/* 프로젝트 리스트 */
+/* 프로젝트, 어바웃, 연락처 등 */
 .project-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
 .project-item { border: 1px solid var(--tui-border); padding: 15px; background: #080808; }
 .item-header { font-weight: bold; margin-bottom: 10px; color: var(--tui-color); }
@@ -742,10 +645,7 @@ iframe { width: 100%; height: 180px; border-radius: 4px; }
 .fade-enter-from, .fade-leave-to { opacity: 0; }
 
 /* 하단 CRT 터미널 */
-.crt-monitor-frame {
-  height: 300px; margin: 10px 40px 30px;
-  border: 2px solid #1a1a1a; background: #0a0a0a; overflow: hidden;
-}
+.crt-monitor-frame { height: 300px; margin: 10px 40px 30px; border: 2px solid #1a1a1a; background: #0a0a0a; overflow: hidden; }
 .monitor-header { background: #151515; padding: 5px 15px; color: #555; display: flex; justify-content: space-between; font-size: 12px;}
 .monitor-status { color: var(--tui-dim); animation: blink 2s infinite; }
 .crt-screen-overlay { position: relative; height: calc(100% - 30px); background: #020802; }
@@ -754,22 +654,36 @@ iframe { width: 100%; height: 180px; border-radius: 4px; }
   background: linear-gradient(rgba(18, 16, 16, 0) 50%, rgba(0, 0, 0, 0.25) 50%), linear-gradient(90deg, rgba(255, 0, 0, 0.06), rgba(0, 255, 0, 0.02), rgba(0, 0, 255, 0.06));
   z-index: 2; background-size: 100% 4px, 6px 100%; pointer-events: none;
 }
-.terminal-box { width: 100%; height: 100%; padding: 10px; }
+.terminal-box { width: 100%; height: 100%; padding: 10px; box-sizing: border-box; }
 
-/* 📱 반응형 분기점 */
+
+/* ==============================================================
+   📱 반응형 분기점 (Responsive Design)
+   ============================================================== */
 @media screen and (max-width: 1100px) {
   #videos-container { grid-template-columns: repeat(2, 1fr); }
   .project-grid { grid-template-columns: repeat(2, 1fr); }
 }
+
 @media screen and (max-width: 650px) {
-  #videos-container { grid-template-columns: 1fr; }
+  /* 1. 레이아웃 & 패딩 초기화 */
+  .content-area { padding: 10px; }
+  #videos-container { grid-template-columns: 1fr; padding: 10px; }
   .project-grid { grid-template-columns: 1fr; }
 
+  /* 2. 네비게이션바 줄바꿈 허용 (화면 밖으로 넘어가지 않게 방어) */
   .auth-nav {
     flex-direction: column;
     gap: 15px;
-    padding: 15px 20px;
-    align-items: center;
+    padding: 15px 10px; /* 좌우 패딩 줄임 */
+    align-items: stretch; /* 전체 너비 채우기 */
+  }
+  .nav-left {
+    flex-wrap: wrap; /* 배지, 통계 등이 좁으면 아래로 줄바꿈 */
+    justify-content: center;
+    text-align: center;
+    gap: 10px;
+    width: 100%;
   }
   .nav-menu {
     display: flex;
@@ -779,51 +693,49 @@ iframe { width: 100%; height: 180px; border-radius: 4px; }
     width: 100%;
   }
   .menu-btn { font-size: 14px; }
-  .auth-group { width: 100%; justify-content: center; margin-top: 5px; }
-  .nav-item { margin: 0 6px; }
 
-  .ascii-container {
+  .auth-group { width: 100%; justify-content: center; margin-top: 5px; flex-wrap: wrap; gap: 10px; }
+  .nav-item { margin: 0; } /* 간격 조정 */
+
+  /* 3. 로그인 폼 세로 배치 (글씨가 겹치는 것 방지) */
+  .login-terminal-frame {
+    margin: 15px 5px;
+    padding: 20px 15px; /* 모바일에서는 여백을 좁게 */
+  }
+  .login-input-group {
+    flex-direction: column; /* 라벨과 인풋을 위아래로 배치 */
+    align-items: flex-start;
+    border-bottom: none; /* 하단 선 제거 */
+    gap: 8px;
+  }
+  .login-label { width: 100%; font-size: 13px; }
+  .login-input {
     width: 100%;
-    overflow-x: auto !important;
-    overflow-y: hidden !important;
-    padding: 20px 10px;
-    display: block;
-    box-sizing: border-box;
-    -webkit-overflow-scrolling: touch;
+    border-bottom: 1px solid var(--tui-dim);
+    padding-bottom: 5px;
+    border-radius: 0;
   }
 
+  /* 4. ASCII 아트 가독성 및 가로 스크롤 허용 */
+  .ascii-container {
+    padding: 10px 5px;
+  }
   .ascii-art {
-    font-size: 11px !important;
-    line-height: 1.35 !important;
-    white-space: pre !important;
-    word-break: keep-all !important;
-    width: max-content !important;
-    margin: 0 !important;
-    -webkit-text-size-adjust: none !important;
-    text-size-adjust: none !important;
-    max-height: 999999px !important;
+    font-size: 9px !important; /* 모바일 사이즈에 맞게 축소 */
+    line-height: 1.2 !important;
   }
 
+  /* 5. 터미널 창 모바일 최적화 */
   .crt-monitor-frame {
     height: 180px !important;
-    margin: 10px 15px 15px !important;
+    margin: 10px !important;
   }
   .monitor-header { padding: 4px 10px; font-size: 10px; }
 }
+
 @keyframes blink { 0%, 100% { opacity: 0.4; } 50% { opacity: 1; } }
-
-@keyframes textPulse {
-  0%, 100% { opacity: 0.3; }
-  50% { opacity: 1; text-shadow: 0 0 8px var(--tui-glow); }
-}
-
-/* 🟢 [NEW] 비상 Failover 점멸 애니메이션 */
-@keyframes badgeBlink {
-  0%, 100% { opacity: 0.6; box-shadow: 0 0 5px rgba(255, 59, 59, 0.2); }
-  50% { opacity: 1; box-shadow: 0 0 15px rgba(255, 59, 59, 0.6); text-shadow: 0 0 12px #ff3b3b; }
-}
-
-/* 일회성 사이버 글리치 키프레임 */
+@keyframes textPulse { 0%, 100% { opacity: 0.3; } 50% { opacity: 1; text-shadow: 0 0 8px var(--tui-glow); } }
+@keyframes badgeBlink { 0%, 100% { opacity: 0.6; box-shadow: 0 0 5px rgba(255, 59, 59, 0.2); } 50% { opacity: 1; box-shadow: 0 0 15px rgba(255, 59, 59, 0.6); text-shadow: 0 0 12px #ff3b3b; } }
 @keyframes once-cyber-glitch-wobble {
   0%, 25% { transform: translate(0) scale(1) skewX(0deg); color: var(--tui-color) !important; text-shadow: 0 0 8px var(--tui-glow) !important; opacity: 1; }
   26% { transform: translate(-3px, 1.5px) scale(1.02); color: #ffffff !important; text-shadow: 2px 0 #ff0000, -2px 0 #0000ff !important; }