fix domain

frontend/src/pages/Admin.jsx

@@ -40,8 +40,10 @@ function Admin() {
   const handleGenerateResetToken = async (userId) => {
     try {
       const data = await api.generateResetToken(userId);
+      // Build URL using current domain (works in dev and prod)
+      const resetUrl = `${window.location.origin}/reset-password/${data.token}`;
       setGeneratedUrl({
-        url: data.resetUrl,
+        url: resetUrl,
         user: data.user,
         expiresAt: data.expiresAt
       });