diff --git a/includes/config.php b/includes/config.php
index e7757e3..9d9aafa 100644
--- a/includes/config.php
+++ b/includes/config.php
@@ -1,4 +1,15 @@
 <?php
+ini_set('session.gc_maxlifetime', 30 * 24 * 60 * 60); // 30 jours en secondes
+ini_set('session.cookie_lifetime', 30 * 24 * 60 * 60);
+
+session_set_cookie_params([
+    'lifetime' => 30 * 24 * 60 * 60,
+    'path' => '/',
+    'secure' => true,
+    'httponly' => true,
+    'samesite' => 'Strict'
+]);
+
 session_start();
 
 class Config {
@@ -19,17 +30,4 @@ class Config {
         $config = self::load();
         return $config[$key] ?? $default;
     }
-
-    public static function save($config) {
-        $configFile = __DIR__ . '/../config.json';
-        
-        $jsonContent = json_encode($config, JSON_PRETTY_PRINT | JSON_UNESCAPED_UNICODE);
-        
-        if (file_put_contents($configFile, $jsonContent) === false) {
-            throw new Exception('Impossible de sauvegarder la configuration');
-        }
-        
-        self::$config = $config;
-        return true;
-    }
 }
\ No newline at end of file