html,body,#map{height:100%;margin:0}body:after{content:'BATTLEGROUP 2026 – archived interactive map';position:fixed;left:10px;bottom:10px;z-index:1000;background:rgba(0,0,0,.78);color:#fff;padding:8px 11px;font:11px Arial,sans-serif;letter-spacing:.04em;border-radius:3px}