:root{color-scheme:light;--accent:#FFE14D;--on-accent:#242424;--text:rgba(0,0,0,.84);--ink:#242424;--sec:#6B6B6B;--muted:#999;--surface:#fafafa;--pill:#f3f3f3;--border:rgba(0,0,0,.15);--sans:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;--mono:"JetBrains Mono",ui-monospace,monospace;--gut:max(16px,env(safe-area-inset-left,0px))}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
body{margin:0;background:#fff;color:var(--text);font-family:var(--sans);font-size:16px;line-height:1.6;-webkit-font-smoothing:antialiased;overflow-x:hidden}
a{color:var(--ink)}
:focus-visible{outline:2px solid var(--ink);outline-offset:2px}
.skip{position:absolute;left:-999px;top:8px;background:var(--ink);color:#fff;padding:8px 12px;border-radius:8px;z-index:10}
.skip:focus{left:var(--gut)}
.top{max-width:1080px;margin:0 auto;padding:16px var(--gut);display:flex;justify-content:space-between;align-items:center}
.top .gh{font-size:14px;color:var(--sec,#555);text-decoration:none}
.top .gh:hover{color:var(--ink)}
.brand{font-size:18px;font-weight:700;letter-spacing:-.02em;color:var(--ink);text-decoration:none}
.shell{max-width:1080px;margin:0 auto;padding:0 var(--gut) 72px;display:grid;grid-template-columns:200px minmax(0,1fr);gap:48px;align-items:start}
aside{position:sticky;top:16px}
.side{display:flex;flex-direction:column;gap:2px}
.side a,.mnav nav a{color:var(--sec);text-decoration:none;font-size:15px;padding:6px 0}
.side a:hover,.mnav nav a:hover{color:var(--ink)}
.side a[aria-current],.mnav nav a[aria-current]{color:var(--ink);font-weight:600}
.side a[aria-current]>span,.side a[aria-current]{background:linear-gradient(transparent 58%,var(--accent) 58%,var(--accent) 92%,transparent 92%);align-self:flex-start}
.mnav{display:none}
main{min-width:0;max-width:720px}
h1,h2,h3{color:var(--ink);letter-spacing:-.02em;line-height:1.15;margin:0;font-weight:700}
h1{font-size:clamp(34px,6vw,48px);margin-bottom:16px}
h2{font-size:clamp(24px,4vw,30px);margin:48px 0 12px}
h3{font-size:20px;margin:32px 0 8px}
p{margin:0 0 16px}
.lead{font-family:Georgia,serif;font-size:19px;color:var(--text)}
ul{margin:0 0 16px;padding-left:22px}
li{margin:4px 0}
code{font-family:var(--mono);font-size:13px;background:var(--pill);padding:1px 5px;border-radius:5px;overflow-wrap:anywhere}
pre{margin:0 0 20px;background:var(--surface);border:1px solid var(--border);border-radius:12px;padding:14px 16px;overflow-x:auto;max-width:100%}
pre code{background:none;padding:0;font-size:13px;line-height:1.55;overflow-wrap:normal;white-space:pre}
.demo+pre{margin-top:-1px;border-top-left-radius:0;border-top-right-radius:0}
.demo{display:flex;flex-wrap:wrap;gap:12px 28px;align-items:center;justify-content:center;background:#fff;border:1px solid var(--border);border-radius:12px 12px 0 0;padding:24px 16px;color:var(--ink);min-height:96px}
.demo button{display:inline-flex;align-items:center;justify-content:center;min-width:56px;min-height:56px;border:1px solid var(--border);border-radius:12px;background:#fff;color:var(--ink);cursor:pointer;padding:0 8px}
.demo button:hover{background:var(--pill)}
.item{margin:0;display:flex;flex-direction:column;align-items:center;gap:10px}
.item figcaption,.curve figcaption span{font-family:var(--mono);font-size:12px;color:var(--sec)}
.tablewrap{overflow-x:auto;margin:0 0 20px;max-width:100%}
table{border-collapse:collapse;width:100%;font-size:14px}
th,td{text-align:left;vertical-align:top;padding:8px 12px 8px 0;border-bottom:1px solid var(--border)}
th{color:var(--ink);font-weight:600;white-space:nowrap}
td:first-child{white-space:nowrap}
.curves{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;margin:0 0 20px}
.curve{margin:0;background:var(--surface);border:1px solid var(--border);border-radius:12px;padding:8px}
.curve svg{display:block;width:100%;height:auto}
.curve figcaption{display:flex;justify-content:space-between;align-items:baseline;gap:6px;font-size:14px;flex-wrap:wrap}
b{color:var(--ink)}
.twin{margin-top:48px;font-size:14px}
.twin a{color:var(--sec)}
.ns{font-size:14px;color:var(--sec)}
@media (max-width:760px){
  .shell{display:block}
  aside{position:static;margin-bottom:24px}
  .side{display:none}
  .mnav{display:block;border:1px solid var(--border);border-radius:12px;background:var(--surface)}
  .mnav summary{cursor:pointer;padding:12px 16px;font-weight:600;color:var(--ink);list-style:none;min-height:44px}
  .mnav summary::-webkit-details-marker{display:none}
  .mnav summary::after{content:"+";float:right}
  .mnav[open] summary::after{content:"\2212"}
  .mnav nav{display:flex;flex-direction:column;padding:0 16px 8px}
  .mnav nav a{padding:10px 0;min-height:44px}
  .curves{grid-template-columns:1fr}
  .demo{gap:12px 20px}
}