Configure Google OAuth credentials to enable social login.
Enable Google Identity Toolkit API and People API in APIs & Services → Library.
APIs & Services → Credentials → Create → OAuth client ID (Web application)
Authorized redirect URI:
https://klonr.ai/google_callback.php
Add your credentials to config.php:
define('GOOGLE_CLIENT_ID', 'your-id.apps.googleusercontent.com');
define('GOOGLE_CLIENT_SECRET', 'your-secret');
define('GOOGLE_REDIRECT_URI', 'https://klonr.ai/google_callback.php');