📧 EmailJS Template variables: {{to_email}} {{to_name}} {{password}} {{directory_name}} {{message}}

☁️ Google Sheets Setup (one-time, free):
1. Create a Google Sheet (any name) — tabs are created automatically
2. In Google Sheets → Extensions → Apps Script → delete all code → paste the script → Save
3. Click Deploy → New Deployment → Web App → Execute as: Me → Who has access: Anyone → Deploy
4. The GAS URL and secret token are stored server-side in config.php — not in this HTML file.
5. The Apps Script source code is kept in a separate file alongside config.php so the token is never exposed to browsers.