diff --git a/Dockerfile b/Dockerfile
index 925cfc4..7f44721 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,5 +1,5 @@
 # Używamy lekkiego obrazu Pythona
-FROM python:3.11-slim
+FROM python:3.13-slim
 
 # Ustawiamy katalog roboczy
 WORKDIR /app
diff --git a/static/js/live.js b/static/js/live.js
index 79d3245..4142b83 100644
--- a/static/js/live.js
+++ b/static/js/live.js
@@ -36,7 +36,6 @@ function setupList(listId, username) {
       item.onclick = () => {
         newItemInput.value = s;
         suggestionsBox.innerHTML = '';
-        //newItemInput.focus();
       };
       suggestionsBox.appendChild(item);
     });
@@ -92,8 +91,6 @@ function setupList(listId, username) {
   });
 
   socket.on('expense_added', data => {
-    // Osobne bo w html musi byc unikatowy a wyswietlam w  dwoch miejscach
-
     const badgeEl = document.getElementById('total-expense1');
     if (badgeEl) {
       badgeEl.innerHTML = `💸 ${data.total.toFixed(2)} PLN`;
@@ -145,13 +142,12 @@ function setupList(listId, username) {
     updateProgressBar();
   });
 
-
   socket.on('progress_updated', function(data) {
     const progressBar = document.getElementById('progress-bar');
     if (progressBar) {
       progressBar.style.width = data.percent + '%';
       progressBar.setAttribute('aria-valuenow', data.percent);
-      progressBar.textContent = Math.round(data.percent) + '%';
+      progressBar.textContent = `${Math.round(data.percent)}%`;
     }
 
     const progressTitle = document.getElementById('progress-title');
@@ -160,11 +156,9 @@ function setupList(listId, username) {
     }
   });
 
-
   socket.on('note_updated', data => {
     const itemEl = document.getElementById(`item-${data.item_id}`);
     if (itemEl) {
-      // Szukamy <small> w całym elemencie
       let noteEl = itemEl.querySelector('small');
       if (noteEl) {
         noteEl.innerHTML = `[ Notatka: <b>${data.note}</b> ]`;
@@ -173,12 +167,10 @@ function setupList(listId, username) {
         newNote.className = 'text-danger ms-4';
         newNote.innerHTML = `[ Notatka: <b>${data.note}</b> ]`;
 
-        // Znajdź wrapper flex-column
         const flexColumn = itemEl.querySelector('.d-flex.flex-column');
         if (flexColumn) {
           flexColumn.appendChild(newNote);
         } else {
-          // fallback: dodaj do elementu
           itemEl.appendChild(newNote);
         }
       }
@@ -199,6 +191,15 @@ function setupList(listId, username) {
   });
 
   updateProgressBar();
+
+  // --- WAŻNE: zapisz dane do reconnect ---
+  window.LIST_ID = listId;
+  window.usernameForReconnect = username;
+
+  socket.on('joined_confirmation', function(data) {
+    console.log('Dołączono do pokoju:', data.room);
+    showToast('Pokój ponownie dołączony ✅', 'info');
+  });
 }
 
 function updateItemState(itemId, isChecked) {
@@ -256,7 +257,6 @@ function addItem(listId) {
   document.getElementById('newItem').focus();
 }
 
-
 function deleteItem(id) {
   if (confirm('Na pewno usunąć produkt?')) {
     socket.emit('delete_item', { item_id: id });
@@ -264,11 +264,11 @@ function deleteItem(id) {
 }
 
 function editItem(id, oldName, oldQuantity) {
-  const newName = prompt('Podaj nową nazwę (lub zostaw o):', oldName);
-  if (newName === null) return; // anulował
+  const newName = prompt('Podaj nową nazwę (lub zostaw starą):', oldName);
+  if (newName === null) return;
 
   const newQuantityStr = prompt('Podaj nową ilość:', oldQuantity);
-  if (newQuantityStr === null) return; // anulował
+  if (newQuantityStr === null) return;
 
   const finalName = newName.trim() !== '' ? newName.trim() : oldName;
 
@@ -308,16 +308,6 @@ function copyLink(link) {
   }
 }
 
-//function showToast(message) {
-//  const toastContainer = document.getElementById('toast-container');
-//  const toast = document.createElement('div');
-//  toast.className = 'toast align-items-center text-bg-primary border-0 show';
-//  toast.setAttribute('role', 'alert');
-//  toast.innerHTML = `<div class="d-flex"><div class="toast-body">${message}</div></div>`;
-//  toastContainer.appendChild(toast);
-//  setTimeout(() => { toast.remove(); }, 1750);
-//}
-
 function showToast(message, type = 'primary') {
   const toastContainer = document.getElementById('toast-container');
   const toast = document.createElement('div');
@@ -327,4 +317,3 @@ function showToast(message, type = 'primary') {
   toastContainer.appendChild(toast);
   setTimeout(() => { toast.remove(); }, 1750);
 }
-
diff --git a/static/js/socket_reconnect.js b/static/js/socket_reconnect.js
index 3ec1098..42d5766 100644
--- a/static/js/socket_reconnect.js
+++ b/static/js/socket_reconnect.js
@@ -19,13 +19,23 @@ window.addEventListener("online", function() {
     reconnectIfNeeded();
 });
 
+// --- Blokowanie checkboxów na czas reconnect ---
+function disableCheckboxes(disable) {
+    document.querySelectorAll('#items input[type="checkbox"]').forEach(cb => {
+        cb.disabled = disable;
+    });
+}
+
 // --- Toasty przy rozłączeniu i połączeniu ---
 let firstConnect = true;
 
 socket.on('connect', function() {
     if (!firstConnect) {
         showToast('Połączono z serwerem! 🔄', 'info');
-        // Automatyczne ponowne dołączenie do pokoju
+
+        // Zablokuj checkboxy tymczasowo
+        disableCheckboxes(true);
+
         if (window.LIST_ID && window.usernameForReconnect) {
             console.log('Ponownie wysyłam join_list:', window.LIST_ID, window.usernameForReconnect);
             socket.emit('join_list', { room: window.LIST_ID, username: window.usernameForReconnect });
@@ -34,6 +44,17 @@ socket.on('connect', function() {
     firstConnect = false;
 });
 
+socket.on('joined_confirmation', function(data) {
+    console.log('Potwierdzenie joined:', data.room);
+    showToast('Pokój ponownie dołączony ✅', 'info');
+
+    // Odblokuj checkboxy
+    disableCheckboxes(false);
+});
+
 socket.on('disconnect', function(reason) {
     showToast('Utracono połączenie z serwerem...', 'warning');
+
+    // Zablokuj checkboxy
+    disableCheckboxes(true);
 });