:root{color-scheme:light dark;--ink:#173a2e;--text:#2f4a3e;--muted:#55705f;--line:#dfe9e3;--bg:#f5f7f4;--card:#fff;--note:#fff6e0;--note-line:#f0d58f;--accent:#0f5d43}
@media (prefers-color-scheme:dark){:root:not([data-theme=light]){--ink:#e9f1ec;--text:#c9d8d0;--muted:#9eb0a7;--line:#26322d;--bg:#0e1412;--card:#141c19;--note:#241d0c;--note-line:#5a4a1e;--accent:#7fd3a9;color-scheme:dark}}
:root[data-theme=dark]{--ink:#e9f1ec;--text:#c9d8d0;--muted:#9eb0a7;--line:#26322d;--bg:#0e1412;--card:#141c19;--note:#241d0c;--note-line:#5a4a1e;--accent:#7fd3a9;color-scheme:dark}
:root[data-theme=light]{color-scheme:light}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--ink);font:16px/1.6 Manrope,'DM Sans',system-ui,sans-serif;padding:max(env(safe-area-inset-top),0px) 0 40px}
header{background:#0a2229;color:#d7e7df;padding:18px 20px}
header a{color:#a0ea9d;font-weight:800;text-decoration:none}
main{max-width:760px;margin:0 auto;padding:28px 20px}
h1{font-size:30px;line-height:1.15;margin:0 0 6px}
h2{font-size:19px;margin:30px 0 8px}
p,li{color:var(--text)}
.muted{color:var(--muted);font-size:14px}
.card{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:16px 18px;margin:16px 0}
.note{background:var(--note);border-color:var(--note-line)}
a{color:var(--accent)}
footer{max-width:760px;margin:0 auto;padding:0 20px;color:var(--muted);font-size:13px}