:root{--bg:#ffffff;--bg-2:#faf7f1;--line:#e7e1d6;--ink:#1c1813;--muted:#7a7264;--amber:#fa9716;--orange:#e8550f;--radius:14px;--maxw:1180px}
*{box-sizing:border-box;margin:0;padding:0}
body{background:var(--bg);color:var(--ink);font-family:'Inter',system-ui,sans-serif;line-height:1.65;-webkit-font-smoothing:antialiased}
a{color:inherit}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 24px}
h1,h2,h3{font-family:'Space Grotesk',sans-serif;line-height:1.15;font-weight:600;letter-spacing:-.01em}
header{position:sticky;top:0;z-index:50;backdrop-filter:blur(14px);background:rgba(255,255,255,.86);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;gap:28px;height:66px}
.brand{display:flex;align-items:center;gap:11px;font-family:'Space Grotesk';font-weight:600;font-size:1.12rem;text-decoration:none}
.brand img{width:30px;height:30px}
.nav-links{display:flex;gap:26px;margin-left:auto;font-size:.92rem}
.nav-links a{color:var(--muted);text-decoration:none}.nav-links a:hover{color:var(--ink)}
.acct{display:flex;align-items:center;justify-content:center;width:38px;height:38px;border-radius:11px;border:1px solid var(--line);background:var(--bg-2);color:var(--ink)}
.doc{max-width:760px;margin:0 auto;padding:56px 24px 80px}
.doc .eyebrow{font-family:'Space Mono',monospace;font-size:.72rem;letter-spacing:.22em;text-transform:uppercase;color:var(--orange);display:inline-block;margin-bottom:12px}
.doc h1{font-size:2rem;margin-bottom:6px}
.doc .meta{color:var(--muted);font-size:.9rem;margin-bottom:28px}
.doc h2{font-size:1.2rem;margin:30px 0 10px}
.doc p,.doc li{font-size:.98rem;margin-bottom:10px}
.doc ul{padding-left:22px}
.doc .box{background:var(--bg-2);border:1px solid var(--line);border-radius:var(--radius);padding:18px 20px;margin:18px 0}
.lang-row{display:flex;gap:8px;margin-bottom:22px}
.lang-row button{font-family:'Space Mono';font-size:.74rem;border:1px solid var(--line);background:var(--bg-2);border-radius:8px;padding:5px 10px;cursor:pointer;color:var(--ink)}
.lang-row button[aria-current="true"]{border-color:var(--amber);color:var(--orange)}
.todo{background:#fff3df;border:1px dashed var(--amber);border-radius:8px;padding:2px 8px;font-family:'Space Mono';font-size:.8rem}
footer{border-top:1px solid var(--line);padding:24px 0;color:var(--muted);font-size:.86rem}
footer a{text-decoration:none}
[data-lang]{display:none}[data-lang].on{display:block}
@media(max-width:820px){.nav-links{display:none}}