:root{--bg:#f6f7f9;--card:#fff;--text:#16181d;--muted:#5d6470;--line:#e2e5ea;--accent:#1f5eff;--accent-ink:#fff;--ok:#0f7a43;--ok-bg:#e5f5ec;--warn:#8a5a00;--warn-bg:#fff3d6;--info:#24539b;--info-bg:#e7efff;--err:#b42318;--err-bg:#fde8e7;--code:#f0f2f5;color-scheme:light}
@media (prefers-color-scheme:dark){:root{--bg:#0f1115;--card:#171a20;--text:#e8eaee;--muted:#9aa2ae;--line:#2a2f38;--accent:#5b8cff;--accent-ink:#0b0d12;--ok:#5fd39a;--ok-bg:#12291e;--warn:#f0c060;--warn-bg:#2d2412;--info:#8fb3ff;--info-bg:#152238;--err:#ff8b80;--err-bg:#33181a;--code:#20242c;color-scheme:dark}}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--text);font:16px/1.55 system-ui,-apple-system,"Segoe UI",Roboto,sans-serif}
a{color:var(--accent)}
.wrap{max-width:980px;margin:0 auto;padding:0 16px}
.top{background:var(--card);border-bottom:1px solid var(--line)}
.top-in{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:60px;flex-wrap:wrap}
.top nav{display:flex;gap:16px}
.top nav a{text-decoration:none;color:var(--muted)}
.brand{display:flex;align-items:center;gap:10px;font-weight:650;text-decoration:none;color:var(--text)}
.logo{display:inline-grid;place-items:center;width:30px;height:30px;border-radius:8px;background:var(--text);color:var(--bg);font-weight:700}
.logo.sm{width:22px;height:22px;border-radius:6px;font-size:13px;background:var(--accent-ink);color:var(--accent)}
.banner{margin-top:16px;font-size:14px;color:var(--warn);background:var(--warn-bg);border-radius:10px;padding:8px 14px}
main.wrap{padding-top:20px;padding-bottom:24px}
h1{font-size:26px;line-height:1.25;margin:0 0 14px}
h2{font-size:18px;margin:0 0 12px}
.card{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:22px;margin-bottom:18px}
.card.soft{background:transparent}
.card.narrow{max-width:520px;margin-left:auto;margin-right:auto}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.grid2>.card{margin-bottom:0;min-width:0}
.grid2+.card,.grid2+section{margin-top:18px}
@media (max-width:760px){.grid2{grid-template-columns:1fr}}
.stack{display:grid;gap:12px}
label{display:grid;gap:6px;font-size:14px;font-weight:550}
input{font:inherit;padding:10px 12px;border:1px solid var(--line);border-radius:10px;background:var(--bg);color:var(--text);width:100%}
input[readonly]{color:var(--muted)}
input:focus-visible,.btn:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;font:inherit;font-weight:600;min-height:44px;padding:0 18px;border-radius:10px;border:1px solid transparent;background:var(--text);color:var(--bg);text-decoration:none;cursor:pointer}
.btn.setc{background:var(--accent);color:var(--accent-ink);width:100%}
.btn.ghost{background:transparent;color:var(--text);border-color:var(--line)}
.btn.danger{background:transparent;color:var(--err);border-color:var(--err)}
.or{display:flex;align-items:center;gap:10px;color:var(--muted);font-size:13px;margin:18px 0}
.or:before,.or:after{content:"";flex:1;height:1px;background:var(--line)}
.muted{color:var(--muted)}
.small{font-size:13px}
.flash{border-radius:10px;padding:10px 14px}
.flash.ok{background:var(--ok-bg);color:var(--ok)}
.flash.err{background:var(--err-bg);color:var(--err)}
.field-err{color:var(--err);font-size:14px;margin:0}
.tag{display:inline-block;justify-self:start;max-width:100%;font-size:12px;font-weight:600;padding:2px 8px;border-radius:999px}
.tag.ok{background:var(--ok-bg);color:var(--ok)}
.tag.warn{background:var(--warn-bg);color:var(--warn)}
.tag.info{background:var(--info-bg);color:var(--info)}
.ticks{padding-left:18px;margin:0 0 12px}
.ticks li{margin-bottom:8px}
.choice{border-top:1px solid var(--line);padding-top:16px;margin-top:16px}
.head-row{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap}
.head-row h1,.head-row h2{margin:0}
.head-row+.muted{margin-top:6px}
.kv{display:grid;grid-template-columns:auto 1fr;gap:6px 14px;margin:0 0 16px}
.kv dt{color:var(--muted);font-size:14px}
.kv dd{margin:0;overflow-wrap:anywhere}
.row{display:flex;gap:10px;flex-wrap:wrap}
code{font:13px/1.4 ui-monospace,SFMono-Regular,Menlo,monospace;background:var(--code);padding:1px 5px;border-radius:5px}
pre{background:var(--code);padding:14px;border-radius:10px;overflow-x:auto}
pre code{padding:0;background:none}
.steps{padding-left:20px;margin:0}
.steps li{margin-bottom:8px}
.log{width:100%;border-collapse:collapse;font-size:14px}
.log th,.log td{text-align:left;padding:8px 6px;border-bottom:1px solid var(--line);vertical-align:top}
.log th{color:var(--muted);font-weight:550}
.log tr.is-set td:nth-child(2){color:var(--info);font-weight:550}
.nowrap{white-space:nowrap}
.kvp{display:inline-block;margin-right:10px}
.kvp b{color:var(--muted);font-weight:550}
.prose h2{margin-top:26px}
.foot{color:var(--muted);font-size:13px;padding-top:4px;padding-bottom:28px}
@media (max-width:560px){.log thead{display:none}.log tr{display:grid;padding:8px 0;border-bottom:1px solid var(--line)}.log td{border:0;padding:2px 0}}