diff --git a/src/main/resources/templates/multi_channel_videos.html b/src/main/resources/templates/multi_channel_videos.html
index 636f8e8..bdca564 100644
--- a/src/main/resources/templates/multi_channel_videos.html
+++ b/src/main/resources/templates/multi_channel_videos.html
@@ -3,86 +3,84 @@
     layout:decorate="~{layout/base}">
 
 <head>
-    <title>h-lab - Multi-Channel Videos</title>
+    <title>h-lab - 채널 영상 모아보기</title>
 </head>
 
 <body>
     <div layout:fragment="content">
-        <header class="mb-6">
-            <div class="flex items-center gap-2 mb-4">
-                <a th:href="@{/channels}" class="text-muted hover:text-white transition-colors">
-                    <i data-lucide="arrow-left" style="width: 20px;"></i>
-                </a>
-                <h1 class="text-2xl font-bold">Search within Selected Channels</h1>
+        <div class="page-header">
+            <div>
+                <div class="flex items-center gap-2 mb-1">
+                    <a th:href="@{/channels}" class="text-muted hover:text-white"><i data-lucide="arrow-left" style="width:20px;"></i></a>
+                    <h1>채널 영상 모아보기</h1>
+                </div>
+                <p class="sub">선택한 <span th:text="${channels != null ? #lists.size(channels) : 0}">0</span>개 채널의 영상을 한 번에 검색·정렬하고 수집함에 담습니다.</p>
             </div>
+        </div>
 
-            <div class="card p-6 mb-6">
-                <div class="text-sm font-bold text-muted mb-4">Tracking <span th:text="${channels != null ? #lists.size(channels) : 0}">0</span> Channels</div>
-                <div class="flex flex-wrap gap-4" th:if="${channels != null}">
-                    <div th:each="channel : ${channels}" class="flex items-center gap-2 p-2 rounded-lg bg-[var(--surface-2)] border border-[var(--glass-border)]">
-                        <img th:src="${channel.thumbnailUrl}" alt="Thumbnail"
-                            style="width: 32px; height: 32px; border-radius: 50%; object-fit: cover;" th:if="${channel.thumbnailUrl != null}">
-                        <span class="text-sm font-medium" th:text="${channel.title}">Channel Name</span>
-                    </div>
+        <!-- 채널 칩 -->
+        <div class="card mb-4" th:if="${channels != null}">
+            <div class="flex flex-wrap gap-2">
+                <div th:each="channel : ${channels}" class="flex items-center gap-2" style="padding:5px 10px; border-radius:999px; background:var(--surface-2); border:1px solid var(--glass-border);">
+                    <img th:src="${channel.thumbnailUrl}" alt="" th:if="${channel.thumbnailUrl != null}" style="width:24px; height:24px; border-radius:50%; object-fit:cover;">
+                    <span class="text-sm" th:text="${channel.title}">채널</span>
                 </div>
             </div>
-        </header>
+        </div>
 
-        <!-- Search / Filter Area (Copied from videos.html) -->
-        <div class="card mb-6">
+        <!-- 검색 조건 -->
+        <div class="card mb-4">
             <form id="searchForm" onsubmit="event.preventDefault(); executeSearch();">
-                <div style="display: flex; flex-wrap: wrap; gap: 16px; align-items: flex-end;">
-                    <!-- Period -->
-                    <div style="display: flex; flex-direction: column; gap: 8px; flex: 1; min-width: 140px;">
-                        <label class="text-sm font-bold text-muted">Period</label>
-                        <select id="periodDays" class="w-full"
-                            style="padding: 8px; height: 42px; background: var(--surface-2); border: 1px solid var(--glass-border); border-radius: var(--radius-md); color: var(--text); outline: none;">
-                            <option value="1" style="background: var(--surface); color: var(--text);">Within 1 Day</option>
-                            <option value="7" style="background: var(--surface); color: var(--text);" selected>Within 7 Days</option>
-                            <option value="10" style="background: var(--surface); color: var(--text);">Within 10 Days</option>
-                            <option value="15" style="background: var(--surface); color: var(--text);">Within 15 Days</option>
-                            <option value="30" style="background: var(--surface); color: var(--text);">Within 30 Days</option>
-                            <option value="0" style="background: var(--surface); color: var(--text);">전부 (All)</option>
+                <div style="display:flex; flex-wrap:wrap; gap:14px; align-items:flex-end;">
+                    <div style="display:flex; flex-direction:column; gap:6px; min-width:150px;">
+                        <label class="text-sm text-muted">기간</label>
+                        <select id="periodDays" class="pub-in" style="height:42px;">
+                            <option value="1">최근 1일</option>
+                            <option value="7" selected>최근 7일</option>
+                            <option value="10">최근 10일</option>
+                            <option value="15">최근 15일</option>
+                            <option value="30">최근 30일</option>
+                            <option value="0">전체</option>
                         </select>
                     </div>
-
-                    <!-- Format -->
-                    <div style="display: flex; flex-direction: column; gap: 8px; flex: 1; min-width: 160px;">
-                        <label class="text-sm font-bold text-muted">Format</label>
-                        <div class="flex gap-4 w-full" style="padding: 8px; background: var(--surface-2); border: 1px solid var(--glass-border); border-radius: var(--radius-md); justify-content: center; height: 42px; align-items: center;">
-                            <label class="flex items-center gap-1 cursor-pointer hover:text-white">
-                                <input type="radio" name="format" value="SHORTS" checked> Shorts
-                            </label>
-                            <label class="flex items-center gap-1 cursor-pointer hover:text-white">
-                                <input type="radio" name="format" value="LONG_FORM"> Long
-                            </label>
+                    <div style="display:flex; flex-direction:column; gap:6px; min-width:160px;">
+                        <label class="text-sm text-muted">형식</label>
+                        <div class="flex gap-4" style="padding:0 10px; height:42px; align-items:center; background:var(--surface-2); border:1px solid var(--glass-border); border-radius:var(--radius-md);">
+                            <label class="flex items-center gap-1 cursor-pointer"><input type="radio" name="format" value="SHORTS" checked> Shorts</label>
+                            <label class="flex items-center gap-1 cursor-pointer"><input type="radio" name="format" value="LONG_FORM"> 롱폼</label>
                         </div>
                     </div>
-
-                    <!-- Page Size -->
-                    <div style="display: flex; flex-direction: column; gap: 8px; flex: 1; min-width: 120px;">
-                        <label class="text-sm font-bold text-muted">Load Size</label>
-                        <select id="pageSize" class="w-full"
-                            style="padding: 8px; height: 42px; background: var(--surface-2); border: 1px solid var(--glass-border); border-radius: var(--radius-md); color: var(--text); outline: none;">
-                            <option value="20" style="background: var(--surface); color: var(--text);">20 items</option>
-                            <option value="50" style="background: var(--surface); color: var(--text);" selected>50 items</option>
-                            <option value="100" style="background: var(--surface); color: var(--text);">100 items</option>
+                    <div style="display:flex; flex-direction:column; gap:6px; min-width:130px;">
+                        <label class="text-sm text-muted">불러올 수</label>
+                        <select id="pageSize" class="pub-in" style="height:42px;">
+                            <option value="20">20개</option>
+                            <option value="50" selected>50개</option>
+                            <option value="100">100개</option>
                         </select>
                     </div>
-                </div>
-
-                <div class="mt-4 flex justify-end">
-                    <button type="submit" class="btn btn-primary px-8 py-2 flex items-center justify-center" id="searchBtn">
-                        <i data-lucide="search" style="width: 18px; margin-right: 6px;"></i> <span class="font-bold">Search within Channels</span>
+                    <button type="submit" class="btn btn-primary px-6 py-2 flex items-center gap-1" id="searchBtn" style="height:42px;">
+                        <i data-lucide="search" style="width:16px;"></i> 검색
                     </button>
                 </div>
             </form>
         </div>
 
-        <!-- 수집 툴바 -->
-        <div class="flex items-center justify-between mb-3" style="gap:12px;">
-            <span id="selInfo" class="text-sm text-muted"></span>
+        <!-- 정렬 + 담기 툴바 -->
+        <div class="flex items-center justify-between mb-3" style="gap:12px; flex-wrap:wrap;">
+            <div class="flex items-center gap-2">
+                <span class="text-sm text-muted">정렬</span>
+                <select id="sortSel" class="pub-in" style="width:auto; padding:7px 9px;" onchange="onSortChange()">
+                    <option value="performance">배율순(떡상)</option>
+                    <option value="views">조회수순</option>
+                    <option value="date">최신순</option>
+                    <option value="subs">구독자순</option>
+                </select>
+                <span id="selInfo" class="text-sm text-muted ml-2"></span>
+            </div>
             <div class="flex gap-2">
+                <label class="flex items-center gap-1 text-sm text-muted cursor-pointer" style="user-select:none;">
+                    <input type="checkbox" id="selectAll" onclick="toggleSelectAll(this.checked)"> 전체 선택
+                </label>
                 <button class="btn btn-secondary px-4 py-2 flex items-center gap-1" onclick="collectSelected()" id="collectSelBtn">
                     <i data-lucide="check-square" style="width:16px;"></i> 선택 담기
                 </button>
@@ -92,358 +90,216 @@
             </div>
         </div>
 
-        <!-- Video List Table -->
-        <div class="card p-0" style="overflow-x: auto;">
-            <table class="w-full rcards" style="border-collapse: collapse; text-align: left;">
-                <thead style="background: var(--surface-2); border-bottom: 1px solid var(--glass-border);">
-                    <tr>
-                        <th class="p-4 text-sm font-bold text-muted"><input type="checkbox" id="selectAll" onclick="toggleSelectAll(this.checked)" title="전체 선택"></th>
-                        <th class="p-4 text-sm font-bold text-muted">Thumbnail</th>
-                        <th class="p-4 text-sm font-bold text-muted">Title</th>
-                        <th class="p-4 text-sm font-bold text-muted">Channel</th>
-                        <th class="p-4 text-sm font-bold text-muted cursor-pointer hover:text-white" onclick="handleSort('date')" style="user-select: none;">
-                            Publish Date <span id="sort-icon-date" style="display: inline-block; width: 14px;"></span>
-                        </th>
-                        <th class="p-4 text-sm font-bold text-muted cursor-pointer hover:text-white" onclick="handleSort('performance')" style="user-select: none;">
-                            Performance <span id="sort-icon-performance" style="display: inline-block; width: 14px;">▼</span>
-                        </th>
-                        <th class="p-4 text-sm font-bold text-muted cursor-pointer hover:text-white" onclick="handleSort('views')" style="user-select: none;">
-                            Views <span id="sort-icon-views" style="display: inline-block; width: 14px;"></span>
-                        </th>
-                        <th class="p-4 text-sm font-bold text-muted cursor-pointer hover:text-white" onclick="handleSort('subs')" style="user-select: none;">
-                            Subscribers <span id="sort-icon-subs" style="display: inline-block; width: 14px;"></span>
-                        </th>
-                        <th class="p-4 text-sm font-bold text-muted">Download</th>
-                    </tr>
-                </thead>
-                <tbody id="resultBody">
-                    <tr>
-                        <td colspan="9" class="p-8 text-center text-muted">Select search conditions and click Search to find videos from these channels.</td>
-                    </tr>
-                </tbody>
-            </table>
+        <!-- 결과 카드 그리드 -->
+        <div id="grid" style="display:grid; grid-template-columns:repeat(auto-fill,minmax(260px,1fr)); gap:1rem;">
+            <div class="text-muted" style="grid-column:1/-1; padding:2rem; text-align:center;">검색 조건을 정하고 ‘검색’을 누르세요.</div>
         </div>
-        
         <div class="mt-4 flex justify-center">
-            <button id="loadMoreBtn" class="btn btn-secondary w-full p-3" style="display: none;" onclick="handleLoadMore()">Load More</button>
+            <button id="loadMoreBtn" class="btn btn-secondary px-6 py-3" style="display:none;" onclick="handleLoadMore()">더 보기</button>
         </div>
 
-        <!-- Video Player Modal -->
-        <div id="videoModal" style="display: none; position: fixed; z-index: 1000; left: 0; top: 0; width: 100%; height: 100%; background-color: rgba(0,0,0,0.85); align-items: center; justify-content: center;" onclick="if(event.target === this) closeVideoModal()">
-            <div style="position: relative; width: 95%; max-width: 1200px; background-color: var(--glass-bg, var(--surface)); border-radius: 12px; padding: 16px; box-shadow: 0 10px 30px rgba(0,0,0,0.5); border: 1px solid var(--glass-border);">
-                <div style="display: flex; justify-content: space-between; align-items: center; margin-bottom: 12px;">
-                    <h3 class="text-lg font-bold truncate pr-4" id="modalTitle">Video Player</h3>
-                    <button onclick="closeVideoModal()" class="text-muted hover:text-white" style="font-size: 28px; line-height: 1; background: none; border: none; cursor: pointer;">&times;</button>
+        <!-- 미리보기 모달 -->
+        <div id="videoModal" style="display:none; position:fixed; z-index:1000; left:0; top:0; width:100%; height:100%; background:rgba(0,0,0,0.85); align-items:center; justify-content:center;" onclick="if(event.target===this) closeVideoModal()">
+            <div style="position:relative; width:95%; max-width:900px; background:var(--glass-bg,var(--surface)); border-radius:12px; padding:16px; border:1px solid var(--glass-border);">
+                <div style="display:flex; justify-content:space-between; align-items:center; margin-bottom:12px;">
+                    <h3 class="text-lg font-bold truncate pr-4" id="modalTitle">영상</h3>
+                    <button onclick="closeVideoModal()" class="text-muted hover:text-white" style="font-size:28px; line-height:1; background:none; border:none; cursor:pointer;">&times;</button>
                 </div>
-                <div id="iframeContainer" style="width: 100%; aspect-ratio: 16/9; border-radius: 8px; overflow: hidden; background: #000;"></div>
+                <div id="iframeContainer" style="width:100%; aspect-ratio:9/16; max-height:70vh; border-radius:8px; overflow:hidden; background:#000; margin:0 auto;"></div>
             </div>
         </div>
 
+        <style>
+            .pub-in { width:100%; padding:9px; background:var(--surface-2); border:1px solid var(--glass-border); border-radius:var(--radius-md); color:var(--text); outline:none; font-size:0.9rem; }
+            .pub-in option { background:var(--surface); color:var(--text); }
+            .vc-card { background:var(--surface); border:1px solid var(--glass-border); border-radius:var(--radius-lg); overflow:hidden; transition:border-color .15s; }
+            .vc-card.sel { border-color:var(--primary); }
+            .vc-thumb-wrap { position:relative; cursor:pointer; }
+            .vc-thumb { width:100%; aspect-ratio:16/9; object-fit:cover; background:#000; display:block; }
+            .vc-play { position:absolute; top:50%; left:50%; transform:translate(-50%,-50%); background:rgba(0,0,0,0.55); border-radius:50%; width:38px; height:38px; display:flex; align-items:center; justify-content:center; }
+            .vc-chk { position:absolute; top:8px; left:8px; width:20px; height:20px; cursor:pointer; z-index:2; }
+            .vc-body { padding:11px; }
+            .vc-title { font-weight:700; font-size:0.9rem; line-height:1.35; display:-webkit-box; -webkit-line-clamp:2; -webkit-box-orient:vertical; overflow:hidden; }
+            .vc-ratio { display:inline-block; color:#fff; font-weight:800; font-size:0.78rem; padding:2px 7px; border-radius:999px; }
+            .vc-actions { display:flex; gap:6px; margin-top:9px; }
+        </style>
+
         <script th:inline="javascript">
             /*<![CDATA[*/
             const selectedYoutubeChannelIds = /*[[${selectedYoutubeIds}]]*/ [];
-            /*]]>*/
-            
+
             let allLoadedVideos = [];
             let currentTokens = {};
             let displayedCount = 0;
             let currentCondition = {};
-            
-            let currentSortColumn = 'performance';
-            let currentSortOrder = 'desc';
+            let currentSort = 'performance';
 
-            function handleSort(column) {
-                if (currentSortColumn === column) {
-                    currentSortOrder = currentSortOrder === 'asc' ? 'desc' : 'asc';
-                } else {
-                    currentSortColumn = column;
-                    currentSortOrder = 'desc';
-                }
-                updateSortIcons();
-                
+            function esc(s){ return (s==null?'':String(s)).replace(/&/g,'&amp;').replace(/</g,'&lt;').replace(/>/g,'&gt;'); }
+            function fmt(n){ return (n==null)?'0':Number(n).toLocaleString(); }
+
+            function onSortChange(){
+                currentSort = document.getElementById('sortSel').value;
                 const size = parseInt(document.getElementById('pageSize').value) || 50;
-                const targetLimit = displayedCount > 0 ? displayedCount : size;
-                renderTable(targetLimit);
+                renderGrid(displayedCount > 0 ? displayedCount : size);
             }
 
-            function updateSortIcons() {
-                ['date', 'performance', 'views', 'subs'].forEach(col => {
-                    const iconSpan = document.getElementById('sort-icon-' + col);
-                    if (iconSpan) {
-                        if (currentSortColumn === col) {
-                            iconSpan.innerText = currentSortOrder === 'asc' ? '▲' : '▼';
-                        } else {
-                            iconSpan.innerText = '';
-                        }
-                    }
-                });
-            }
-
-            function executeSearch() {
-                const keyword = ''; // Removed input field, default to empty
+            function executeSearch(){
                 const periodDays = parseInt(document.getElementById('periodDays').value);
                 const formatRadios = document.querySelectorAll('input[name="format"]:checked');
                 const format = formatRadios.length > 0 ? formatRadios[0].value : 'SHORTS';
-
-                currentCondition = {
-                    keyword: keyword,
-                    channelIds: selectedYoutubeChannelIds, // Use selected channels
-                    periodDays: periodDays,
-                    format: format,
-                    pageTokens: {}
-                };
-
-                allLoadedVideos = [];
-                currentTokens = {};
-                displayedCount = 0;
-                
-                document.getElementById('resultBody').innerHTML = '';
+                currentCondition = { keyword:'', channelIds:selectedYoutubeChannelIds, periodDays:periodDays, format:format, pageTokens:{} };
+                allLoadedVideos = []; currentTokens = {}; displayedCount = 0;
                 document.getElementById('loadMoreBtn').style.display = 'none';
-                
                 fetchMore(true);
             }
 
-            async function fetchMore(isFirst) {
+            async function fetchMore(isFirst){
                 const searchBtn = document.getElementById('searchBtn');
                 const loadMoreBtn = document.getElementById('loadMoreBtn');
-                const resultBody = document.getElementById('resultBody');
-
-                if (isFirst) {
-                    searchBtn.disabled = true;
-                    searchBtn.innerHTML = '<span class="text-sm">Searching...</span>';
-                    resultBody.innerHTML = '<tr><td colspan="9" class="p-8 text-center text-muted">Loading results from ' + selectedYoutubeChannelIds.length + ' channels... This may take a moment.</td></tr>';
-                } else {
-                    loadMoreBtn.disabled = true;
-                    loadMoreBtn.innerHTML = 'Loading...';
-                }
-
+                const grid = document.getElementById('grid');
+                if (isFirst){
+                    searchBtn.disabled = true; searchBtn.innerHTML = '<span class="text-sm">검색 중…</span>';
+                    grid.innerHTML = '<div class="text-muted" style="grid-column:1/-1; padding:2rem; text-align:center;">'+selectedYoutubeChannelIds.length+'개 채널에서 불러오는 중… 잠시 걸립니다.</div>';
+                } else { loadMoreBtn.disabled = true; loadMoreBtn.innerHTML = '불러오는 중…'; }
                 currentCondition.pageTokens = currentTokens;
-
                 try {
-                    const response = await fetch('/api/youtube/search', {
-                        method: 'POST',
-                        headers: { 'Content-Type': 'application/json' },
-                        body: JSON.stringify(currentCondition)
-                    });
-
-                    if (!response.ok) throw new Error('API request failed');
-
+                    const response = await fetch('/api/youtube/search', { method:'POST', headers:{'Content-Type':'application/json'}, body:JSON.stringify(currentCondition) });
+                    if (!response.ok) throw new Error('검색 API 실패');
                     const pageDto = await response.json();
-                    
-                    if (isFirst) {
-                        resultBody.innerHTML = '';
-                    }
-
                     allLoadedVideos = allLoadedVideos.concat(pageDto.items || []);
                     currentTokens = pageDto.nextTokens || {};
-
                     const size = parseInt(document.getElementById('pageSize').value) || 50;
-                    const targetLimit = isFirst ? size : displayedCount + size;
-                    renderTable(targetLimit);
-                } catch (error) {
+                    renderGrid(isFirst ? size : displayedCount + size);
+                } catch(error){
                     console.error('Search error:', error);
-                    if (isFirst) {
-                        resultBody.innerHTML = '<tr><td colspan="9" class="p-8 text-center text-danger">Error occurred during search.</td></tr>';
-                    }
+                    if (isFirst) grid.innerHTML = '<div style="grid-column:1/-1; padding:2rem; text-align:center; color:#f87171;">검색 중 오류가 발생했습니다.</div>';
                 } finally {
-                    if (isFirst) {
-                        searchBtn.disabled = false;
-                        searchBtn.innerHTML = '<i data-lucide="search" style="width: 18px; margin-right: 6px;"></i> Search within Channels';
-                        if (window.lucide) window.lucide.createIcons();
-                    }
+                    if (isFirst){ searchBtn.disabled = false; searchBtn.innerHTML = '<i data-lucide="search" style="width:16px;"></i> 검색'; if(window.lucide) lucide.createIcons(); }
                 }
             }
 
-            function handleLoadMore() {
+            function handleLoadMore(){
                 const size = parseInt(document.getElementById('pageSize').value) || 50;
-                if (displayedCount < allLoadedVideos.length) {
-                    renderTable(displayedCount + size);
-                } else {
-                    fetchMore(false);
-                }
+                if (displayedCount < allLoadedVideos.length) renderGrid(displayedCount + size);
+                else fetchMore(false);
             }
 
-            function renderTable(limit) {
-                const resultBody = document.getElementById('resultBody');
-                
-                if (allLoadedVideos.length === 0) {
-                    resultBody.innerHTML = '<tr><td colspan="9" class="p-8 text-center text-muted">No results found within selected channels.</td></tr>';
+            function ratioOf(v){
+                if (v.viewCount != null && v.subscriberCount != null && v.subscriberCount > 0) return v.viewCount / v.subscriberCount;
+                return (v.viewCount > 0) ? Infinity : -1;
+            }
+
+            function renderGrid(limit){
+                const grid = document.getElementById('grid');
+                if (allLoadedVideos.length === 0){
+                    grid.innerHTML = '<div class="text-muted" style="grid-column:1/-1; padding:2rem; text-align:center;">선택한 채널에서 결과를 찾지 못했습니다.</div>';
                     document.getElementById('loadMoreBtn').style.display = 'none';
                     return;
                 }
-                
-                allLoadedVideos.sort((a, b) => {
-                    let valA = 0, valB = 0;
-                    if (currentSortColumn === 'views') {
-                        valA = a.viewCount || 0;
-                        valB = b.viewCount || 0;
-                    } else if (currentSortColumn === 'subs') {
-                        valA = a.subscriberCount || 0;
-                        valB = b.subscriberCount || 0;
-                    } else if (currentSortColumn === 'date') {
-                        valA = new Date(a.publishedAt).getTime();
-                        valB = new Date(b.publishedAt).getTime();
-                    } else if (currentSortColumn === 'performance') {
-                        valA = (a.subscriberCount > 0) ? (a.viewCount / a.subscriberCount) : ((a.viewCount > 0) ? Infinity : -1);
-                        valB = (b.subscriberCount > 0) ? (b.viewCount / b.subscriberCount) : ((b.viewCount > 0) ? Infinity : -1);
-                    }
-                    
-                    if (valA < valB) return currentSortOrder === 'asc' ? -1 : 1;
-                    if (valA > valB) return currentSortOrder === 'asc' ? 1 : -1;
-                    return 0;
+                allLoadedVideos.sort((a,b)=>{
+                    let va=0, vb=0;
+                    if (currentSort==='views'){ va=a.viewCount||0; vb=b.viewCount||0; }
+                    else if (currentSort==='subs'){ va=a.subscriberCount||0; vb=b.subscriberCount||0; }
+                    else if (currentSort==='date'){ va=new Date(a.publishedAt).getTime(); vb=new Date(b.publishedAt).getTime(); }
+                    else { va=ratioOf(a); vb=ratioOf(b); }
+                    return vb - va; // 내림차순
                 });
 
-                resultBody.innerHTML = '';
                 const actualLimit = Math.min(limit, allLoadedVideos.length);
-                const videosToRender = allLoadedVideos.slice(0, actualLimit);
-                
-                videosToRender.forEach(video => {
-                    const tr = document.createElement('tr');
-                    tr.style.borderBottom = '1px solid var(--glass-border)';
-                    
-                    const pubDate = new Date(video.publishedAt);
-                    let formattedDate = pubDate.getFullYear() + '-' + String(pubDate.getMonth() + 1).padStart(2, '0') + '-' + String(pubDate.getDate()).padStart(2, '0') + ' ' + String(pubDate.getHours()).padStart(2, '0') + ':' + String(pubDate.getMinutes()).padStart(2, '0');
-                    
-                    const viewStr = video.viewCount != null ? video.viewCount.toLocaleString() : '0';
-                    const subStr = video.subscriberCount != null ? video.subscriberCount.toLocaleString() : '0';
-
-                    let perfStr = '-';
-                    let perfStyle = 'color: var(--text-muted);';
-                    if (video.viewCount != null && video.subscriberCount != null && video.subscriberCount > 0) {
-                        const ratio = (video.viewCount / video.subscriberCount) * 100;
-                        perfStr = ratio.toFixed(1) + '%';
-                        if (ratio >= 100) perfStyle = 'color: #ef4444; font-weight: bold;';
-                        else if (ratio >= 30) perfStyle = 'color: #f59e0b; font-weight: bold;';
-                        else perfStyle = 'color: #10b981; font-weight: bold;';
-                    }
-
-                    const safeTitle = video.title.replace(/"/g, "&quot;");
-
-                    tr.innerHTML =
-                        '<td class="p-4">' +
-                            '<input type="checkbox" class="rowChk" value="' + video.videoId + '" onchange="updateSelInfo()">' +
-                        '</td>' +
-                        '<td class="p-4">' +
-                            '<div style="position: relative; display: inline-block; cursor: pointer;" data-videoid="' + video.videoId + '" data-videotitle="' + safeTitle + '" onclick="openVideoModal(this.dataset.videoid, this.dataset.videotitle)">' +
-                                '<img src="' + video.thumbnailUrl + '" alt="Thumb" style="width: 120px; height: 68px; object-fit: cover; border-radius: 6px; transition: transform 0.2s;" onmouseover="this.style.transform=\'scale(1.05)\'" onmouseout="this.style.transform=\'scale(1)\'">' +
-                                '<div style="position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%); background: rgba(0,0,0,0.6); border-radius: 50%; padding: 8px; display: flex; align-items: center; justify-content: center;">' +
-                                    '<i data-lucide="play" style="color: var(--text); width: 16px; height: 16px; fill: white;"></i>' +
-                                '</div>' +
-                            '</div>' +
-                        '</td>' +
-                        '<td class="p-4">' +
-                            '<div class="flex items-start justify-between gap-2" style="max-width: 300px;">' +
-                                '<div class="font-bold text-sm" style="display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; flex: 1;">' +
-                                    '<a href="https://www.youtube.com/watch?v=' + video.videoId + '" target="_blank" class="hover:underline">' + video.title + '</a>' +
-                                '</div>' +
-                                '<button onclick="copyToClipboard(\'https://www.youtube.com/watch?v=' + video.videoId + '\')" class="text-muted hover:text-white flex-shrink-0" title="URL 복사" style="background: none; border: none; cursor: pointer; padding: 2px;">' +
-                                    '<i data-lucide="copy" style="width: 14px; height: 14px;"></i>' +
-                                '</button>' +
-                            '</div>' +
-                        '</td>' +
-                        '<td class="p-4 text-sm text-muted">' + 
-                            '<div class="flex items-center gap-2">' +
-                                '<a href="https://www.youtube.com/channel/' + video.channelId + '" target="_blank" class="hover:underline font-semibold" style="color: #e2e8f0;">' + video.channelTitle + '</a>' + 
-                            '</div>' +
-                        '</td>' +
-                        '<td class="p-4 text-sm text-muted">' + formattedDate + '</td>' +
-                        '<td class="p-4 text-sm" style="' + perfStyle + '">' + perfStr + '</td>' +
-                        '<td class="p-4 text-sm">' + viewStr + '</td>' +
-                        '<td class="p-4 text-sm">' + subStr + '</td>' +
-                        '<td class="p-4 text-sm">' +
-                            '<button onclick="downloadVideo(\'https://www.youtube.com/watch?v=' + video.videoId + '\')" class="btn btn-secondary p-2 flex items-center justify-center" title="고화질 다운로드">' +
-                                '<i data-lucide="download" style="width: 16px; height: 16px;"></i>' +
-                            '</button>' +
-                        '</td>';
-                    resultBody.appendChild(tr);
-                });
+                const list = allLoadedVideos.slice(0, actualLimit);
+                grid.innerHTML = list.map(v=>{
+                    const d = new Date(v.publishedAt);
+                    const dateStr = d.getFullYear()+'-'+String(d.getMonth()+1).padStart(2,'0')+'-'+String(d.getDate()).padStart(2,'0');
+                    const r = ratioOf(v);
+                    let ratioStr='-', ratioBg='#9ca3af';
+                    if (r >= 0 && r !== Infinity){ ratioStr=r.toFixed(1)+'x'; ratioBg = r>=10 ? '#ef4444' : (r>=2 ? '#f59e0b' : '#10b981'); }
+                    else if (r === Infinity){ ratioStr='∞'; ratioBg='#ef4444'; }
+                    const safeTitle = esc(v.title).replace(/"/g,'&quot;');
+                    return '<div class="vc-card" id="vc-'+v.videoId+'">'
+                        + '<div class="vc-thumb-wrap">'
+                        +   '<input type="checkbox" class="vc-chk rowChk" value="'+v.videoId+'" onclick="event.stopPropagation()" onchange="onRowCheck(this,\''+v.videoId+'\')">'
+                        +   '<img class="vc-thumb" src="'+esc(v.thumbnailUrl)+'" loading="lazy" data-vid="'+esc(v.videoId)+'" data-title="'+safeTitle+'" onclick="openVideoModal(this.dataset.vid, this.dataset.title)">'
+                        +   '<div class="vc-play" data-vid="'+esc(v.videoId)+'" data-title="'+safeTitle+'" onclick="openVideoModal(this.dataset.vid, this.dataset.title)"><i data-lucide="play" style="width:16px; color:#fff;"></i></div>'
+                        + '</div>'
+                        + '<div class="vc-body">'
+                        +   '<div class="vc-title"><a href="https://www.youtube.com/watch?v='+esc(v.videoId)+'" target="_blank" class="hover:underline" style="color:var(--text);">'+esc(v.title)+'</a></div>'
+                        +   '<div class="text-sm text-muted mt-1" style="overflow:hidden; text-overflow:ellipsis; white-space:nowrap;"><a href="https://www.youtube.com/channel/'+esc(v.channelId)+'" target="_blank" class="hover:underline">'+esc(v.channelTitle)+'</a></div>'
+                        +   '<div class="mt-2 flex items-center gap-2" style="flex-wrap:wrap;">'
+                        +     '<span class="vc-ratio" style="background:'+ratioBg+';">🔥 '+ratioStr+'</span>'
+                        +     '<span class="text-sm text-muted">👁 '+fmt(v.viewCount)+'</span>'
+                        +     '<span class="text-sm text-muted">👤 '+fmt(v.subscriberCount)+'</span>'
+                        +   '</div>'
+                        +   '<div class="text-xs text-muted mt-1">'+dateStr+'</div>'
+                        +   '<div class="vc-actions">'
+                        +     '<button class="btn btn-secondary px-3 py-2" style="font-size:0.8rem;" onclick="downloadVideo(\'https://www.youtube.com/watch?v='+v.videoId+'\')" title="고화질 다운로드"><i data-lucide="download" style="width:14px;"></i> 다운로드</button>'
+                        +     '<button class="btn btn-secondary px-3 py-2" style="font-size:0.8rem;" onclick="copyToClipboard(\'https://www.youtube.com/watch?v='+v.videoId+'\')" title="URL 복사"><i data-lucide="copy" style="width:14px;"></i></button>'
+                        +   '</div>'
+                        + '</div></div>';
+                }).join('');
 
                 displayedCount = actualLimit;
                 updateLoadMoreButton();
-                const selectAll = document.getElementById('selectAll');
-                if (selectAll) selectAll.checked = false;
+                const selectAll = document.getElementById('selectAll'); if (selectAll) selectAll.checked = false;
                 updateSelInfo();
-                if (window.lucide) window.lucide.createIcons();
+                if (window.lucide) lucide.createIcons();
             }
 
-            function downloadVideo(videoUrl) {
-                // cobalt.tools is a clean, ad-free high-quality downloader
-                // Since it doesn't support direct URL params for downloading in the same way, 
-                // we'll open a popular service like 'ssyoutube' or similar which is easier for direct linking.
-                const downloadUrl = videoUrl.replace('youtube.com', 'ssyoutube.com');
-                window.open(downloadUrl, '_blank');
+            function onRowCheck(cb, vid){
+                const card = document.getElementById('vc-'+vid);
+                if (card) card.classList.toggle('sel', cb.checked);
+                updateSelInfo();
             }
 
-            function updateLoadMoreButton() {
-                const loadMoreBtn = document.getElementById('loadMoreBtn');
-                if (displayedCount < allLoadedVideos.length || Object.keys(currentTokens).length > 0) {
-                    loadMoreBtn.style.display = 'block';
-                    loadMoreBtn.disabled = false;
-                    loadMoreBtn.innerHTML = 'Load More (Next 50)';
-                } else {
-                    loadMoreBtn.style.display = 'none';
-                }
+            function updateLoadMoreButton(){
+                const b = document.getElementById('loadMoreBtn');
+                if (displayedCount < allLoadedVideos.length || Object.keys(currentTokens).length > 0){ b.style.display='block'; b.disabled=false; b.innerHTML='더 보기'; }
+                else b.style.display='none';
             }
 
-            function openVideoModal(videoId, title) {
-                const modal = document.getElementById('videoModal');
-                const container = document.getElementById('iframeContainer');
-                const modalTitle = document.getElementById('modalTitle');
-                modalTitle.textContent = title;
-                container.innerHTML = '<iframe width="100%" height="100%" src="https://www.youtube.com/embed/' + videoId + '?autoplay=1" frameborder="0" allow="accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture" allowfullscreen></iframe>';
-                modal.style.display = 'flex';
-            }
-
-            function closeVideoModal() {
-                document.getElementById('iframeContainer').innerHTML = '';
-                document.getElementById('videoModal').style.display = 'none';
-            }
-
-            function copyToClipboard(text) {
-                navigator.clipboard.writeText(text).then(() => {
-                    alert('URL이 클립보드에 복사되었습니다.');
-                });
+            function downloadVideo(videoUrl){ window.open(videoUrl.replace('youtube.com','ssyoutube.com'), '_blank'); }
+            function openVideoModal(videoId, title){
+                document.getElementById('modalTitle').textContent = title || '';
+                document.getElementById('iframeContainer').innerHTML = '<iframe width="100%" height="100%" src="https://www.youtube.com/embed/'+videoId+'?autoplay=1" frameborder="0" allow="autoplay; encrypted-media" allowfullscreen></iframe>';
+                document.getElementById('videoModal').style.display = 'flex';
             }
+            function closeVideoModal(){ document.getElementById('iframeContainer').innerHTML=''; document.getElementById('videoModal').style.display='none'; }
+            document.addEventListener('keydown', e => { if(e.key === 'Escape') closeVideoModal(); });
+            function copyToClipboard(text){ navigator.clipboard.writeText(text).then(()=>{ alert('URL이 클립보드에 복사되었습니다.'); }); }
 
             // ---- 수집함에 담기 ----
-            function toggleSelectAll(checked) {
-                document.querySelectorAll('.rowChk').forEach(cb => cb.checked = checked);
+            function toggleSelectAll(checked){
+                document.querySelectorAll('.rowChk').forEach(cb=>{ cb.checked=checked; const card=cb.closest('.vc-card'); if(card) card.classList.toggle('sel',checked); });
                 updateSelInfo();
             }
-            function updateSelInfo() {
-                const checked = document.querySelectorAll('.rowChk:checked').length;
-                const info = document.getElementById('selInfo');
-                if (info) info.textContent = checked > 0 ? (checked + '개 선택됨') : '';
+            function updateSelInfo(){
+                const n = document.querySelectorAll('.rowChk:checked').length;
+                const info = document.getElementById('selInfo'); if (info) info.textContent = n>0 ? (n+'개 선택됨') : '';
             }
-            async function postCollect(items, btn) {
-                if (!items || items.length === 0) { alert('담을 영상이 없습니다.'); return; }
+            async function postCollect(items, btn){
+                if (!items || items.length === 0){ alert('담을 영상이 없습니다.'); return; }
                 const original = btn ? btn.innerHTML : null;
-                if (btn) { btn.disabled = true; btn.innerHTML = '담는 중...'; }
+                if (btn){ btn.disabled=true; btn.innerHTML='담는 중...'; }
                 try {
-                    const res = await fetch('/api/youtube/collect', {
-                        method: 'POST', headers: { 'Content-Type': 'application/json' }, body: JSON.stringify(items)
-                    });
-                    const json = await res.json().catch(() => ({}));
-                    if (!res.ok || (json && json.success === false)) throw new Error((json && json.message) || ('HTTP ' + res.status));
+                    const res = await fetch('/api/youtube/collect', { method:'POST', headers:{'Content-Type':'application/json'}, body:JSON.stringify(items) });
+                    const json = await res.json().catch(()=>({}));
+                    if (!res.ok || (json && json.success === false)) throw new Error((json && json.message) || ('HTTP '+res.status));
                     const d = json.data || {};
-                    alert('수집함에 담기 완료\\n저장 ' + (d.saved || 0) + '건, 중복/스킵 ' + (d.skipped || 0) + '건');
-                } catch (e) {
-                    alert('담기 실패: ' + e.message);
-                } finally {
-                    if (btn) { btn.disabled = false; btn.innerHTML = original; if (window.lucide) window.lucide.createIcons(); }
-                }
+                    alert('수집함에 담기 완료\n저장 '+(d.saved||0)+'건, 중복/스킵 '+(d.skipped||0)+'건');
+                } catch(e){ alert('담기 실패: '+e.message); }
+                finally { if (btn){ btn.disabled=false; btn.innerHTML=original; if(window.lucide) lucide.createIcons(); } }
             }
-            function collectSelected() {
-                const ids = Array.from(document.querySelectorAll('.rowChk:checked')).map(cb => cb.value);
-                if (ids.length === 0) { alert('선택된 영상이 없습니다. 체크박스로 선택하세요.'); return; }
+            function collectSelected(){
+                const ids = Array.from(document.querySelectorAll('.rowChk:checked')).map(cb=>cb.value);
+                if (ids.length === 0){ alert('선택된 영상이 없습니다. 체크박스로 선택하세요.'); return; }
                 const set = new Set(ids);
-                postCollect(allLoadedVideos.filter(v => set.has(v.videoId)), document.getElementById('collectSelBtn'));
+                postCollect(allLoadedVideos.filter(v=>set.has(v.videoId)), document.getElementById('collectSelBtn'));
             }
-            function collectAll() {
-                if (allLoadedVideos.length === 0) { alert('먼저 검색하세요.'); return; }
-                if (!confirm('현재 로드된 ' + allLoadedVideos.length + '개 영상을 모두 수집함에 담을까요? (이미 담긴 것은 자동 제외)')) return;
+            function collectAll(){
+                if (allLoadedVideos.length === 0){ alert('먼저 검색하세요.'); return; }
+                if (!confirm('현재 로드된 '+allLoadedVideos.length+'개 영상을 모두 수집함에 담을까요? (이미 담긴 것은 자동 제외)')) return;
                 postCollect(allLoadedVideos, document.getElementById('collectAllBtn'));
             }
+            /*]]>*/
         </script>
     </div>
 </body>
