:root{--bg:#FBFBFD;--panel:#fff;--line:#e3e3e8;--graphite:#1D1D1F;--gray:#6E6E73;--liquid:#3D63FF;
  --sans:-apple-system,BlinkMacSystemFont,"SF Pro Text","Geist",system-ui,sans-serif;
  --display:-apple-system,BlinkMacSystemFont,"SF Pro Display","Geist",system-ui,sans-serif;
  --mono:ui-monospace,"SF Mono","Geist Mono",monospace;color-scheme:light}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]){--bg:#0b0b0e;--panel:#141418;--line:#2a2a31;--graphite:#f5f5f7;--gray:#a1a1a8;--liquid:#7d96ff;color-scheme:dark}}
:root[data-theme="dark"]{--bg:#0b0b0e;--panel:#141418;--line:#2a2a31;--graphite:#f5f5f7;--gray:#a1a1a8;--liquid:#7d96ff;color-scheme:dark}
*{box-sizing:border-box}
body{margin:0;min-height:100dvh;background:var(--bg);color:var(--graphite);font-family:var(--sans);font-size:17px;line-height:1.55;-webkit-font-smoothing:antialiased;overflow-wrap:anywhere}
:focus-visible{outline:2px solid var(--liquid);outline-offset:2px}
a{color:var(--liquid);text-decoration:none}a:hover{text-decoration:underline}
.doc{max-width:68ch;margin:0 auto;padding:24px 16px 72px}
h1{font-family:var(--display);font-weight:600;font-size:clamp(28px,5vw,40px);letter-spacing:-.03em;line-height:1.1;margin:0 0 8px}
h2{font-family:var(--display);font-weight:600;font-size:22px;letter-spacing:-.02em;line-height:1.2;margin:40px 0 10px;scroll-margin-top:16px}
h3{font-size:17px;margin:22px 0 6px}
p,li{color:var(--graphite)}
p{margin:0 0 14px}
ul,ol{margin:0 0 14px;padding-left:22px}li{margin-bottom:6px}
.meta{color:var(--gray);font-size:15px}
.toc{background:var(--panel);border:1px solid var(--line);border-radius:14px;padding:14px 18px;margin:20px 0 8px}
.toc b{display:block;font-size:14px;color:var(--gray);margin-bottom:6px;font-weight:500}
.toc ol{margin:0;font-size:15px}
.note{background:var(--panel);border:1px solid var(--line);border-radius:14px;padding:12px 16px;margin:0 0 14px}
table{width:100%;border-collapse:collapse;font-size:15px;margin:0 0 16px;display:block;overflow-x:auto}
th,td{text-align:left;vertical-align:top;padding:8px 10px;border-bottom:1px solid var(--line)}
th{color:var(--gray);font-weight:500}
pre{white-space:pre-wrap;font:13px/1.45 var(--mono);background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:12px 14px;margin:0 0 16px}
details{margin:0 0 12px}summary{cursor:pointer;color:var(--liquid)}