diff --git a/Dockerfile b/Dockerfile
index dee6bb6..8cdc937 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -10,7 +10,7 @@ RUN set -e; \
     try_repo() { \
       printf "%s/%s/main\n%s/%s/community\n" "$1" "$V" "$1" "$V" > /etc/apk/repositories; \
       echo "Trying apk mirror: $1"; \
-      apk add --no-cache openssl; \
+      timeout 45 apk add --no-cache --timeout 20 openssl; \
     }; \
     if ! try_repo "https://dl-cdn.alpinelinux.org/alpine" && \
        ! try_repo "https://mirrors.edge.kernel.org/alpine" && \
diff --git a/docker-compose.yml b/docker-compose.yml
index e963b35..d6c8be2 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -72,22 +72,22 @@ services:
   # если в wg/wg0.conf лежит конфиг — контейнер сначала поднимает VPN и
   # только потом запускает туннель (исход Cloudflare через VPN). Без конфига
   # туннель стартует сразу, как в базовой схеме.
-  cloudflared:
-    build:
-      context: .
-      dockerfile: Dockerfile.cloudflared
-    restart: unless-stopped
-    cap_add:
-      - NET_ADMIN
-    privileged: true
-    volumes:
-      - ./wg:/etc/wireguard:ro
-    environment:
-      TZ: Europe/Moscow
-      CLOUDFLARE_TUNNEL_URL: ${CLOUDFLARE_TUNNEL_URL:-http://app:3003}
-      WG_HANDSHAKE_TIMEOUT: ${WG_HANDSHAKE_TIMEOUT:-60}
-    depends_on:
-      - app
+  # cloudflared:
+  #   build:
+  #     context: .
+  #     dockerfile: Dockerfile.cloudflared
+  #   restart: unless-stopped
+  #   cap_add:
+  #     - NET_ADMIN
+  #   privileged: true
+  #   volumes:
+  #     - ./wg:/etc/wireguard:ro
+  #   environment:
+  #     TZ: Europe/Moscow
+  #     CLOUDFLARE_TUNNEL_URL: ${CLOUDFLARE_TUNNEL_URL:-http://app:3003}
+  #     WG_HANDSHAKE_TIMEOUT: ${WG_HANDSHAKE_TIMEOUT:-60}
+  #   depends_on:
+  #     - app
 
 
 
diff --git a/public/index.html b/public/index.html
index dca458e..dec638b 100644
--- a/public/index.html
+++ b/public/index.html
@@ -63,6 +63,12 @@ textarea{resize:vertical;min-height:160px;font-family:inherit;line-height:1.5}
 .toast.show{opacity:1}
 .toast.error{background:#dc2626}
 
+.sent-panel{width:100%;max-width:900px;margin:32px auto 0;background:var(--card);border:2px solid var(--accent);border-radius:var(--radius);padding:40px 32px;display:none;flex-direction:column;gap:20px;align-items:center;text-align:center;box-shadow:0 8px 24px rgba(37,99,235,.18)}
+.sent-check{width:88px;height:88px;border-radius:50%;background:var(--accent);color:#fff;display:flex;align-items:center;justify-content:center;font-size:2.6rem}
+.sent-panel h2{font-size:1.6rem;font-weight:700;letter-spacing:-.02em;color:var(--text)}
+.sent-panel p{font-size:1.05rem;color:var(--muted);max-width:520px}
+.sent-timer{background:var(--bg);border:1px solid var(--border);border-radius:var(--radius);padding:14px 20px;font-size:1rem;font-weight:600;color:var(--text)}
+
 nav{position:fixed;top:16px;right:16px;display:flex;gap:8px}
 nav a{color:var(--muted);text-decoration:none;font-size:.8rem;padding:6px 12px;border-radius:8px;transition:color .15s}
 nav a:hover{color:var(--text)}
@@ -132,6 +138,13 @@ nav a:hover{color:var(--text)}
   </div>
 </form>
 
+<div class="sent-panel" id="sentPanel">
+  <div class="sent-check">✓</div>
+  <h2 id="sentTitle">Запись отправлена!</h2>
+  <p id="sentText">Спасибо! Твоя запись уже передана преподавателю.</p>
+  <div class="sent-timer" id="sentTimer"></div>
+</div>
+
 <footer class="footer">
   <div class="f-left" id="footerLeft"></div>
   <div class="f-right" id="footerRight"></div>
diff --git a/public/js/index.js b/public/js/index.js
index 06ce9bf..9696997 100644
--- a/public/js/index.js
+++ b/public/js/index.js
@@ -15,6 +15,61 @@ const filesInput = document.getElementById('filesInput');
 const filesList = document.getElementById('filesList');
 const filesClearBtn = document.getElementById('filesClearBtn');
 let selectedFiles = [];
+const sentPanel = document.getElementById('sentPanel');
+const sentTitle = document.getElementById('sentTitle');
+const sentText = document.getElementById('sentText');
+const sentTimer = document.getElementById('sentTimer');
+const SENT_KEY = 'whatido_entry_sent_at';
+let entryCooldownMin = 30;
+let sentTimerId = null;
+
+function unlockForm() {
+  clearInterval(sentTimerId);
+  sentTimerId = null;
+  localStorage.removeItem(SENT_KEY);
+  sentPanel.style.display = 'none';
+  form.style.display = 'grid';
+  toast.textContent = 'Можно отправить новую запись';
+  toast.classList.add('show');
+  setTimeout(() => toast.classList.remove('show'), 2500);
+}
+
+function tickSentTimer(unlockTime) {
+  const remain = Math.max(0, unlockTime - Date.now());
+  if (remain <= 0) {
+    sentTimer.textContent = '';
+    unlockForm();
+    return;
+  }
+  const m = Math.floor(remain / 60000);
+  const s = Math.floor((remain % 60000) / 1000);
+  sentTimer.textContent = 'Новую запись можно отправить через ' + m + ' мин ' + s + ' сек';
+}
+
+function showSent(title, text, unlockTime) {
+  form.style.display = 'none';
+  sentPanel.style.display = 'flex';
+  sentTitle.textContent = title;
+  sentText.textContent = text;
+  tickSentTimer(unlockTime);
+  clearInterval(sentTimerId);
+  sentTimerId = setInterval(() => tickSentTimer(unlockTime), 1000);
+}
+
+function cooldownMs() { return entryCooldownMin * 60 * 1000; }
+
+function checkPreviousSend() {
+  const raw = localStorage.getItem(SENT_KEY);
+  if (!raw) return;
+  const sentAt = parseInt(raw, 10);
+  if (!Number.isFinite(sentAt)) { localStorage.removeItem(SENT_KEY); return; }
+  const unlockTime = sentAt + cooldownMs();
+  if (Date.now() < unlockTime) {
+    showSent('Запись уже отправлена', 'Ты уже отправил(а) запись сегодня. Дождись окончания отсчёта, чтобы отправить новую.', unlockTime);
+  } else {
+    localStorage.removeItem(SENT_KEY);
+  }
+}
 
 function humanSize(b) {
   if (b < 1024) return b + ' Б';
@@ -99,7 +154,10 @@ if (params.get('nameInput')) {
     const f = await fRes.json();
     if (f.footer_left) document.getElementById('footerLeft').textContent = f.footer_left;
     if (f.footer_right) document.getElementById('footerRight').textContent = f.footer_right;
+    const c = parseInt(f.spam_interval_min, 10);
+    if (Number.isFinite(c) && c >= 1) entryCooldownMin = c;
   } catch (e) { /* ignore */ }
+  checkPreviousSend();
 })();
 
 function showPreview(src) {
@@ -177,10 +235,8 @@ form.addEventListener('submit', async (e) => {
     form.reset();
     removePhoto();
     clearFiles();
-    toast.textContent = 'Готово!';
-    toast.classList.remove('error');
-    toast.classList.add('show');
-    setTimeout(() => toast.classList.remove('show'), 2500);
+    localStorage.setItem(SENT_KEY, String(Date.now()));
+    showSent('Запись отправлена!', 'Спасибо! Твоя запись уже передана преподавателю.', Date.now() + cooldownMs());
   } catch (err) {
     alert('Ошибка: ' + err.message);
   } finally {
diff --git a/server.js b/server.js
index 7b90be1..b80ec23 100644
--- a/server.js
+++ b/server.js
@@ -872,9 +872,10 @@ app.get('/api/settings', requireAdmin, async (_, res) => {
 
 app.get('/api/public-settings', apiLimiter, async (_, res) => {
   const out = await cacheWrap('public-settings', PUBLIC_TTL_MS, async () => {
-    const keys = ['footer_left', 'footer_right', 'share_show_student_message', 'share_show_entry_date', 'share_show_student_names', 'share_show_group_photos', 'cookie_notice_text'];
+    const keys = ['footer_left', 'footer_right', 'share_show_student_message', 'share_show_entry_date', 'share_show_student_names', 'share_show_group_photos', 'cookie_notice_text', 'spam_interval_min'];
+    const defaults = { spam_interval_min: '30' };
     const result = {};
-    for (const k of keys) result[k] = await getSetting(k, '');
+    for (const k of keys) result[k] = await getSetting(k, defaults[k] || '');
     return result;
   });
   res.json(out);