One-page Campaigns Dashboard
================================

Files:
- config.php       : helpers + IP->country
- open.php         : log opens
- click.php        : log clicks, remove from opens, redirect
- unsubscribe.php  : log unsubscribes
- dashboard.php    : ONE PAGE UI:
                     * campaigns table
                     * global stats
                     * detail panel per campaign
                     * "Create New Campaign" modal
                     * generates 3 links (open/click/unsub) with %EMAIL% placeholder

Plain storage:
- campaigns.json   : created automatically in the same folder to store campaigns.

Tracking links format (example):
- open:  open.php?email=%25EMAIL%25&v=RealEstate&camp=realestate2025&id=XXXXX
- click: click.php?email=%25EMAIL%25&v=RealEstate&camp=realestate2025&id=XXXXX&u=https://offer.com
- unsub: unsubscribe.php?email=%25EMAIL%25&v=RealEstate&camp=realestate2025&id=XXXXX

Replace https://YOURDOMAIN/tracking in dashboard.php with your real domain/path.

