diff --git a/app.js b/app.js
index ca45a43..342cd3b 100644
--- a/app.js
+++ b/app.js
@@ -2060,7 +2060,7 @@ function toast(msg, type = "info", duration = 4000) {
 /* ─── Cookie helpers ───────────────────────────────────────── */
 function setCookie(name, value, days) {
   const expires = new Date(Date.now() + days * 864e5).toUTCString();
-  document.cookie = `${name}=${encodeURIComponent(value)}; expires=${expires}; path=/; SameSite=Strict`;
+  document.cookie = `${name}=${encodeURIComponent(value)}; expires=${expires}; path=/; domain=.derez.ai; SameSite=Lax`;
 }
 function getCookie(name) {
   return document.cookie.split("; ").reduce((acc, c) => {
@@ -2069,7 +2069,7 @@ function getCookie(name) {
   }, null);
 }
 function deleteCookie(name) {
-  document.cookie = `${name}=; expires=Thu, 01 Jan 1970 00:00:00 GMT; path=/; SameSite=Strict`;
+  document.cookie = `${name}=; expires=Thu, 01 Jan 1970 00:00:00 GMT; path=/; domain=.derez.ai; SameSite=Lax`;
 }
 
 /* ─── Authenticated fetch ───────────────────────────────────── */