diff --git a/user.h b/user.h
new file mode 100644
index 0000000..6f502d7
--- /dev/null
+++ b/user.h
@@ -0,0 +1,62 @@
+#ifndef USER_H
+#define USER_H
+
+#include <iostream>
+#include <string>
+#include <vector>
+
+// Classe de base (Abstraite)
+class User {
+protected:
+    int id;
+    std::string username;
+    std::string role;
+
+public:
+    User(int id, std::string name, std::string r) : id(id), username(name), role(r) {}
+    
+    // Cette fonction sera différente pour chaque rôle
+    virtual void showMenu() = 0; 
+    
+    std::string getUsername() { return username; }
+    virtual ~User() {}
+};
+
+// --- Rôle ETUDIANT ---
+class Student : public User {
+public:
+    Student(int id, std::string name) : User(id, name, "Student") {}
+    void showMenu() override {
+        std::cout << "\n=== MENU ETUDIANT (" << username << ") ===" << std::endl;
+        std::cout << "1. Voir mes notes" << std::endl;
+        std::cout << "2. Contacter un prof" << std::endl;
+        std::cout << "0. Deconnexion" << std::endl;
+    }
+};
+
+// --- Rôle PROFESSEUR ---
+class Prof : public User {
+public:
+    Prof(int id, std::string name) : User(id, name, "Prof") {}
+    void showMenu() override {
+        std::cout << "\n=== MENU PROFESSEUR (" << username << ") ===" << std::endl;
+        std::cout << "1. Modifier une note" << std::endl;
+        std::cout << "2. Liste des etudiants" << std::endl;
+        std::cout << "0. Deconnexion" << std::endl;
+    }
+};
+
+// --- Rôle ADMIN ---
+class Admin : public User {
+public:
+    Admin(int id, std::string name) : User(id, name, "Admin") {}
+    void showMenu() override {
+        std::cout << "\n=== MENU ADMIN (" << username << ") ===" << std::endl;
+        std::cout << "1. Ajouter un utilisateur" << std::endl;
+        std::cout << "2. Supprimer un utilisateur" << std::endl;
+        std::cout << "3. Exporter les donnees (TXT)" << std::endl;
+        std::cout << "0. Deconnexion" << std::endl;
+    }
+};
+
+#endif
\ No newline at end of file