diff --git a/src/main.ts b/src/main.ts
index 2a3690a..e80e969 100644
--- a/src/main.ts
+++ b/src/main.ts
@@ -87,29 +87,27 @@ function renderWordGroups(grouped: GroupedWords[]) {
     return;
   }
 
-  for (const entry of grouped) {
-    const groupEl = document.createElement('div');
-    groupEl.className = 'word-group';
+  // Табы групп
+  const tabsContainer = document.createElement('div');
+  tabsContainer.className = 'group-tabs';
 
-    const header = document.createElement('div');
-    header.className = 'word-group-header';
-    header.innerHTML = `
-      <span class="word-group-name">${escapeHtml(entry.group.name)}</span>
-      <span class="word-group-count">${entry.tags.reduce((s, t) => s + t.words.length, 0)} слов</span>
-    `;
+  const panelsContainer = document.createElement('div');
+  panelsContainer.className = 'group-panels';
 
-    // Коллапс по клику на заголовке
-    let collapsed = false;
-    header.addEventListener('click', () => {
-      collapsed = !collapsed;
-      tagsContainer.style.display = collapsed ? 'none' : '';
-      header.classList.toggle('collapsed', collapsed);
-    });
+  let activeIndex = 0;
 
-    groupEl.appendChild(header);
+  for (let i = 0; i < grouped.length; i++) {
+    const entry = grouped[i];
 
-    const tagsContainer = document.createElement('div');
-    tagsContainer.className = 'word-group-tags';
+    // Кнопка таба
+    const tabBtn = document.createElement('button');
+    tabBtn.className = 'group-tab' + (i === activeIndex ? ' active' : '');
+    const totalWords = entry.tags.reduce((s, t) => s + t.words.length, 0);
+    tabBtn.innerHTML = `${escapeHtml(entry.group.name)} <span class="group-tab-count">${totalWords}</span>`;
+
+    // Панель с тегами
+    const panel = document.createElement('div');
+    panel.className = 'group-panel' + (i === activeIndex ? ' active' : '');
 
     for (const tagEntry of entry.tags) {
       const tagBlock = document.createElement('div');
@@ -156,12 +154,24 @@ function renderWordGroups(grouped: GroupedWords[]) {
 
       tagBlock.appendChild(tagHeader);
       tagBlock.appendChild(wordsContainer);
-      tagsContainer.appendChild(tagBlock);
+      panel.appendChild(tagBlock);
     }
 
-    groupEl.appendChild(tagsContainer);
-    containerEl.appendChild(groupEl);
+    tabBtn.addEventListener('click', () => {
+      // Деактивируем все
+      tabsContainer.querySelectorAll('.group-tab').forEach((b) => b.classList.remove('active'));
+      panelsContainer.querySelectorAll('.group-panel').forEach((p) => p.classList.remove('active'));
+      // Активируем текущие
+      tabBtn.classList.add('active');
+      panel.classList.add('active');
+    });
+
+    tabsContainer.appendChild(tabBtn);
+    panelsContainer.appendChild(panel);
   }
+
+  containerEl.appendChild(tabsContainer);
+  containerEl.appendChild(panelsContainer);
 }
 
 function renderSetsPage() {
diff --git a/src/style.css b/src/style.css
index 4640919..8e3ad10 100644
--- a/src/style.css
+++ b/src/style.css
@@ -300,55 +300,64 @@ body {
   opacity: 0.6;
 }
 
-/* ──── Группировка слов ──── */
+/* ──── Группировка слов (табы) ──── */
 
-.word-group {
-  margin-bottom: 1rem;
+.group-tabs {
+  display: flex;
+  gap: 0;
+  border-bottom: 1px solid var(--border);
+  overflow-x: auto;
+  -webkit-overflow-scrolling: touch;
+  scrollbar-width: none;
 }
 
-.word-group-header {
+.group-tabs::-webkit-scrollbar {
+  display: none;
+}
+
+.group-tab {
+  flex: 1;
+  min-width: 0;
+  font-family: var(--sans);
+  font-size: 0.85rem;
+  font-weight: 600;
+  padding: 0.65rem 0.5rem;
+  border: none;
+  border-bottom: 2px solid transparent;
+  background: transparent;
+  color: var(--text);
+  cursor: pointer;
+  transition: all 0.2s;
+  -webkit-tap-highlight-color: transparent;
+  white-space: nowrap;
   display: flex;
   align-items: center;
-  justify-content: space-between;
-  padding: 10px 12px;
-  background: var(--card-bg);
-  border: 1px solid var(--border);
-  border-radius: 10px;
-  cursor: pointer;
-  -webkit-tap-highlight-color: transparent;
-  transition: background 0.15s;
-  min-height: 48px;
+  gap: 0.5rem;
 }
 
-.word-group-header:hover {
+.group-tab.active {
+  color: var(--accent);
+  border-bottom-color: var(--accent);
   background: var(--accent-light);
 }
 
-.word-group-header::after {
-  content: '▾';
-  font-size: 0.8rem;
-  color: var(--text);
-  transition: transform 0.2s;
+.group-tab-count {
+  font-size: 0.7rem;
+  background: var(--accent-light);
+  color: var(--accent);
+  padding: 1px 6px;
+  border-radius: 8px;
+  font-weight: 500;
+  margin-left: auto;
 }
 
-.word-group-header.collapsed::after {
-  transform: rotate(-90deg);
+.group-panel {
+  display: none;
+  padding-top: 0.75rem;
 }
 
-.word-group-name {
-  font-weight: 600;
-  color: var(--text-h);
-  font-size: 0.95rem;
-}
-
-.word-group-count {
-  font-size: 0.8rem;
-  color: var(--text);
-  margin-right: 0.5rem;
-}
-
-.word-group-tags {
-  padding-top: 0.5rem;
+.group-panel.active {
+  display: block;
 }
 
 .word-tag-block {