:root{
  --bg:#f3f5f4; --surface:#ffffff; --ink:#1d2a2c; --muted:#5d6b6c; --line:#d7dedc;
  --accent:#1f5a5c; --soft:#e7eeec; --warn:#fbf1dc; --warn-line:#e3c585;
  --f-display:"Young Serif",Georgia,serif;
  --f-body:"Figtree",system-ui,-apple-system,"Segoe UI",sans-serif;
}
@media (prefers-color-scheme: dark){:root:not([data-theme="light"]){
  --bg:#131a1b; --surface:#1b2426; --ink:#e4ebe9; --muted:#97a6a5; --line:#2e3b3d;
  --accent:#7cc0bf; --soft:#22302f; --warn:#2b2617; --warn-line:#6b5a2c; color-scheme:dark}}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--f-body);font-size:16px;line-height:1.6}
.wrap{max-width:740px;margin:0 auto;padding-block:40px;padding-left:max(16px,env(safe-area-inset-left,0px));padding-right:max(16px,env(safe-area-inset-right,0px))}
.back{display:inline-block;margin-bottom:24px;color:var(--accent);font-weight:600;text-decoration:none}
.back:hover{text-decoration:underline}
h1{font-family:var(--f-display);font-weight:400;font-size:clamp(30px,5vw,44px);line-height:1.15;margin:0 0 8px;text-wrap:balance}
h2{font-family:var(--f-display);font-weight:400;font-size:22px;margin:32px 0 8px}
.updated{color:var(--muted);font-size:14px;margin:0 0 24px}
p,li{max-width:70ch}
a{color:var(--accent)}
a:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
ul{padding-left:22px}
li{margin:4px 0}
.key{background:var(--soft);border:1px solid var(--line);border-radius:10px;padding:14px 18px;margin:0 0 8px}
.key p{margin:0}
.todo{background:var(--warn);border:1px solid var(--warn-line);border-radius:4px;padding:0 4px}
nav.legal{margin-top:40px;padding-top:16px;border-top:1px solid var(--line);font-size:14px;color:var(--muted)}
nav.legal a{margin-right:16px}