diff --git a/backend/src/controllers/classroom/sessions.js b/backend/src/controllers/classroom/sessions.js
index 160a6d2..61fdb82 100644
--- a/backend/src/controllers/classroom/sessions.js
+++ b/backend/src/controllers/classroom/sessions.js
@@ -41,6 +41,15 @@ function createSession(req, res) {
 
   const session = db.prepare('SELECT * FROM classroom_sessions WHERE id=?').get(sessionId);
   emitToSession(sessionId, { type: 'classroom_started', sessionId, title, classId: class_id || null, teacherName: teacher.name });
+  // Баннер «идёт онлайн-урок» на дашбордах — через SSE-канал (доска работает по WS,
+  // дашборд по SSE, поэтому нужен отдельный сигнал ученикам класса / приглашённым / учителю).
+  try {
+    const sse = require('../../sse');
+    const payload = { type: 'classroom_live', state: 'started', sessionId, title, classId: class_id || null };
+    if (class_id) sse.emitToClass(class_id, payload);
+    else if (user_ids) for (const uid of user_ids) sse.emit(uid, payload);
+    sse.emit(teacher.id, payload);
+  } catch { /* SSE недоступен — не критично */ }
   res.json(session);
 }
 
@@ -74,6 +83,17 @@ function endSession(req, res) {
   db.prepare('DELETE FROM classroom_draw_permissions WHERE session_id=?').run(sessionId);
   db.prepare('DELETE FROM classroom_muted WHERE session_id=?').run(sessionId);
   emitToSession(sessionId, { type: 'classroom_ended', sessionId });
+  // Снять баннер «идёт онлайн-урок» с дашбордов (SSE-канал).
+  try {
+    const sse = require('../../sse');
+    const payload = { type: 'classroom_live', state: 'ended', sessionId };
+    if (session.class_id) sse.emitToClass(session.class_id, payload);
+    else {
+      const invited = db.prepare('SELECT user_id FROM classroom_invites WHERE session_id=?').all(sessionId);
+      for (const r of invited) sse.emit(r.user_id, payload);
+    }
+    sse.emit(session.teacher_id, payload);
+  } catch { /* SSE недоступен — не критично */ }
   res.json({ ok: true });
 }
 
diff --git a/frontend/dashboard.html b/frontend/dashboard.html
index 3a85a0a..99a6949 100644
--- a/frontend/dashboard.html
+++ b/frontend/dashboard.html
@@ -82,6 +82,32 @@
     .ab-btn:hover { background: rgba(255,255,255,0.25); }
     /* ── Hero cards row (Reading · Lab of day · Pet) ── */
     .hero-row { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 14px; }
+
+    /* ── Live online-lesson banner ── */
+    .live-lesson {
+      display: flex; align-items: center; gap: 14px; text-decoration: none;
+      background: linear-gradient(100deg, #059652, #06D6A0); color: #fff;
+      border-radius: 16px; padding: 14px 20px; margin-bottom: 18px;
+      box-shadow: 0 6px 22px rgba(5,150,82,0.28); transition: transform .15s, box-shadow .15s;
+    }
+    .live-lesson:hover { transform: translateY(-1px); box-shadow: 0 10px 28px rgba(5,150,82,0.34); }
+    .ll-dot { width: 12px; height: 12px; border-radius: 50%; background: #fff; flex-shrink: 0;
+      box-shadow: 0 0 0 0 rgba(255,255,255,0.7); animation: llPulse 1.6s infinite; }
+    @keyframes llPulse {
+      0%   { box-shadow: 0 0 0 0 rgba(255,255,255,0.6); }
+      70%  { box-shadow: 0 0 0 10px rgba(255,255,255,0); }
+      100% { box-shadow: 0 0 0 0 rgba(255,255,255,0); }
+    }
+    .ll-text { flex: 1; min-width: 0; display: flex; flex-direction: column; gap: 2px; }
+    .ll-text b { font-family: 'Unbounded', sans-serif; font-size: 0.92rem; font-weight: 800;
+      white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
+    .ll-text span { font-size: 0.78rem; opacity: 0.92; }
+    .ll-cta { flex-shrink: 0; background: rgba(255,255,255,0.95); color: #059652;
+      font-weight: 800; font-size: 0.82rem; padding: 8px 16px; border-radius: 10px; white-space: nowrap; }
+    @media (max-width: 480px) {
+      .live-lesson { padding: 12px 14px; gap: 10px; }
+      .ll-cta { padding: 7px 12px; font-size: 0.78rem; }
+    }
     .hero-card {
       position: relative; border-radius: 18px; padding: 18px 20px;
       display: flex; flex-direction: column; min-height: 196px;
@@ -1532,6 +1558,13 @@
 
   <div class="container">
 
+  <!-- Live online-lesson status (student/teacher) -->
+  <a class="live-lesson" id="live-lesson-banner" href="/classroom" style="display:none">
+    <span class="ll-dot"></span>
+    <span class="ll-text"><b id="ll-title">Идёт онлайн-урок</b><span id="ll-sub"></span></span>
+    <span class="ll-cta" id="ll-cta">Присоединиться</span>
+  </a>
+
   <!-- Gamification Bar (students only) -->
   <div class="gam-bar" id="gam-bar" style="display:none">
     <div class="gam-level">
@@ -4543,13 +4576,42 @@
       loadDashboardStats();
       applyDashboardPrefs();
     }
+    loadLiveLesson();
+    document.addEventListener('visibilitychange', () => { if (!document.hidden) loadLiveLesson(); });
     LS.notif.init();
 
+    // Статус онлайн-урока: показываем баннер, если у ученика/учителя идёт активная сессия.
+    async function loadLiveLesson() {
+      const el = document.getElementById('live-lesson-banner');
+      if (!el) return;
+      let data;
+      try { data = await LS.crGetMySession(); } catch { el.style.display = 'none'; return; }
+      const s = data && data.session;
+      if (!s) { el.style.display = 'none'; return; }
+      const title = (s.title && s.title.trim()) ? s.title.trim() : 'Онлайн-урок';
+      document.getElementById('ll-title').textContent = (isTeacher ? 'Ваш урок идёт: ' : 'Идёт урок: ') + title;
+      let sub;
+      if (isTeacher) {
+        const online = Array.isArray(s.attendance) ? s.attendance.filter(a => !a.left_at).length : 0;
+        sub = online ? (online + ' онлайн') : 'ожидание учеников';
+      } else {
+        sub = data.wasJoined ? 'Вы участник — вернуться к доске' : 'Нажмите, чтобы присоединиться';
+      }
+      document.getElementById('ll-sub').textContent = sub;
+      document.getElementById('ll-cta').textContent = isTeacher
+        ? 'Вернуться к доске'
+        : (data.wasJoined ? 'Вернуться' : 'Присоединиться');
+      el.style.display = '';
+    }
+
     // Real-time SSE for page-specific events (notif handled by notifications.js)
     LS.connectSSE(ev => {
       if (ev.type === 'assignment') {
         LS.toast(ev.message, 'info');
         isTeacher ? loadAdminAssignments() : loadAssignments();
+      } else if (ev.type === 'classroom_live') {
+        loadLiveLesson();
+        if (ev.state === 'started' && !isTeacher && window.LS && LS.sfx) LS.sfx.play('user_joined');
       } else if (ev.type === 'session') {
         LS.toast(ev.message, 'info');
         if (isTeacher) loadAdminSessions();