:root{--bg:#e6f2d6;--ink:#16401d;--card:#f7fbe9;--accent:#2a8a2f}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--ink);font:16px/1.4 ui-monospace,Menlo,Consolas,monospace}
header{text-align:center;padding:20px 12px 4px}
h1{margin:0;font-size:2rem}
.sub{margin:4px 0 0;opacity:.75}
main{max-width:760px;margin:14px auto;padding:0 12px;text-align:center}
.panel{background:var(--card);border:2px solid var(--ink);border-radius:10px;padding:14px;margin-bottom:12px}
button{font:inherit;cursor:pointer;border:2px solid var(--ink);background:var(--accent);color:#fff;border-radius:8px;padding:9px 14px;font-weight:700}
button:hover:not(:disabled){filter:brightness(1.1)}
button:disabled{opacity:.45;cursor:not-allowed}
canvas{max-width:100%;border:2px solid var(--ink);border-radius:8px;background:#000;touch-action:none}
.stat{display:flex;justify-content:space-between;gap:8px;flex-wrap:wrap;margin:6px 0}
.msg{min-height:1.4em}
.share a,footer a{color:var(--ink)}
footer{text-align:center;padding:12px 12px 32px;font-size:.85rem}
.map{display:inline-grid;grid-template-columns:repeat(3,22px);gap:2px;margin:8px 0}
.map i{display:block;height:14px;border:1px solid var(--ink);border-radius:2px;background:transparent}
.map i.seen{background:#b9d89a}
.map i.here{background:var(--accent)}
.touch{display:flex;gap:6px;justify-content:center;margin:6px 0}
.touch button{padding:12px 16px;user-select:none;touch-action:manipulation}