diff --git a/client/src/App.jsx b/client/src/App.jsx
new file mode 100644
index 0000000..47e8a3e
--- /dev/null
+++ b/client/src/App.jsx
@@ -0,0 +1,60 @@
+import { useState, useEffect } from 'react';
+import io from 'socket.io-client';
+
+const socket = io('http://chat.viensonjette.fr'); // Ton URL de reverse proxy
+
+function App() {
+  const [user, setUser] = useState(null);
+  const [form, setForm] = useState({ pseudo: '', age: '', city: '', rooms: ['general'] });
+
+  const joinChat = () => {
+    if (form.pseudo) {
+      setUser(form);
+      socket.emit('join_system', form);
+    }
+  };
+
+  if (!user) {
+    return (
+      <div className="bg-black text-green-500 min-h-screen font-mono p-10">
+        <h1 className="text-2xl mb-4 uppercase">{">"} Authentification_</h1>
+        <input placeholder="PSEUDO" className="bg-transparent border-b block mb-4" 
+               onChange={(e) => setForm({...form, pseudo: e.target.value})} />
+        <input placeholder="AGE" type="number" className="bg-transparent border-b block mb-4" 
+               onChange={(e) => setForm({...form, age: e.target.value})} />
+        <button onClick={joinChat} className="border border-green-500 px-4 py-2 hover:bg-green-500 hover:text-black">
+          INITIALIZE_SESSION
+        </button>
+      </div>
+    );
+  }
+
+  return <ChatScreen user={user} />;
+}
+
+// Composant simplifié pour le Chat
+function ChatScreen({ user }) {
+  const [msg, setMsg] = useState("");
+  const [list, setList] = useState([]);
+
+  useEffect(() => {
+    socket.on('receive_msg', (data) => setList((prev) => [...prev, data]));
+  }, []);
+
+  const send = () => {
+    socket.emit('send_msg', { text: msg, room: 'general', pseudo: user.pseudo });
+    setMsg("");
+  };
+
+  return (
+    <div className="bg-black text-green-400 min-h-screen p-4 font-mono">
+      <div className="h-64 overflow-y-auto border border-green-900 mb-4 p-2">
+        {list.map((m, i) => <p key={i}>[{m.pseudo}]: {m.text}</p>)}
+      </div>
+      <input value={msg} onChange={(e) => setMsg(e.target.value)} className="bg-gray-900 w-full p-2" />
+      <button onClick={send} className="mt-2 text-xs">[ ENVOYER ]</button>
+    </div>
+  );
+}
+
+export default App;
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diff --git a/server/index.js b/server/index.js
new file mode 100644
index 0000000..86ae778
--- /dev/null
+++ b/server/index.js
@@ -0,0 +1,13 @@
+const io = require('socket.io')(3001, { cors: { origin: "*" } });
+
+io.on('connection', (socket) => {
+  socket.on('join_system', (data) => {
+    socket.join(data.rooms); // On rejoint les salons choisis
+    console.log(`${data.pseudo} est entré dans: ${data.rooms}`);
+  });
+
+  socket.on('send_msg', (data) => {
+    // On envoie le message à tout le monde dans le salon spécifié
+    io.to(data.room).emit('receive_msg', data);
+  });
+});
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