:root {
  color-scheme: dark light;
  --bg: #0b0f14;
  --surface: rgba(255,255,255,.06);
  --surface-strong: #141a21;
  --text: #f3f5f8;
  --muted: #a3acb8;
  --line: rgba(255,255,255,.12);
  --accent: #5ac8fa;
  --accent-2: #0a84ff;
  --danger: #ff453a;
  --max: 920px;
}
@media (prefers-color-scheme: light) {
  :root {
    --bg:#f2f2f7; --surface:rgba(255,255,255,.9); --surface-strong:#fff;
    --text:#0b0b0f; --muted:#6e6e78; --line:rgba(60,60,67,.12);
    --accent:#007aff; --accent-2:#005ecb; --danger:#d70015;
  }
}
*{box-sizing:border-box} html{scroll-behavior:smooth}
body{
  margin:0;
  background:
    radial-gradient(circle at 10% -14%,rgba(90,200,250,.18),transparent 36rem),
    radial-gradient(circle at 94% 2%,rgba(10,132,255,.13),transparent 32rem),
    var(--bg);
  color:var(--text);
  font-family:-apple-system,BlinkMacSystemFont,"SF Pro Text",Inter,"Segoe UI",sans-serif;
  line-height:1.65;-webkit-font-smoothing:antialiased;
}
a{color:var(--accent-2);text-underline-offset:.16em} a:hover{text-decoration-thickness:2px}
.skip{position:absolute;left:-999px;top:0}.skip:focus{left:1rem;top:1rem;z-index:10;padding:.6rem 1rem;background:var(--surface-strong)}
header,main,footer{width:min(var(--max),calc(100% - 2rem));margin-inline:auto}
header{padding:1.1rem 0;display:flex;align-items:center;justify-content:space-between;gap:1rem}
.brand{color:var(--text);text-decoration:none;font-size:1.2rem;font-weight:800;letter-spacing:-.03em}
nav{display:flex;flex-wrap:wrap;justify-content:flex-end;gap:.25rem .85rem}
nav a{color:var(--muted);text-decoration:none;font-size:.9rem} nav a[aria-current="page"],nav a:hover{color:var(--text)}
.hero{padding:5rem 0 2.5rem}.eyebrow{color:var(--accent);font-weight:750;font-size:.78rem;letter-spacing:.12em;text-transform:uppercase}
h1{max-width:780px;margin:.5rem 0 1rem;font-size:clamp(2.25rem,7vw,4.6rem);line-height:1;letter-spacing:-.055em}
.hero p{max-width:680px;color:var(--muted);font-size:clamp(1.05rem,2vw,1.25rem)}
.card,article{margin:1rem 0;border:1px solid var(--line);border-radius:1.35rem;background:var(--surface);backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);padding:clamp(1.25rem,4vw,2.4rem);box-shadow:0 1.5rem 5rem rgba(0,0,0,.12)}
.grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:1rem}.grid .card{margin:0}
h2{margin:2.2rem 0 .65rem;font-size:clamp(1.35rem,3vw,1.75rem);line-height:1.2;letter-spacing:-.025em} h2:first-child{margin-top:0}
h3{margin:1.5rem 0 .4rem;font-size:1.05rem} p,ul,ol{margin:.55rem 0 1rem} li+li{margin-top:.35rem}
.meta,.muted,small{color:var(--muted)}.pill{display:inline-flex;padding:.28rem .7rem;border:1px solid var(--line);border-radius:999px;color:var(--muted);font-size:.82rem}
.language{scroll-margin-top:1rem}.language+.language{border-top:1px solid var(--line);margin-top:3rem;padding-top:1rem}
.notice{border-left:3px solid var(--accent);padding:.75rem 1rem;background:rgba(90,200,250,.10);border-radius:0 .75rem .75rem 0}
.warning{border-left-color:var(--danger);background:rgba(255,69,58,.09)}
.button{display:inline-flex;align-items:center;justify-content:center;padding:.75rem 1rem;border-radius:.8rem;color:#fff;background:linear-gradient(135deg,var(--accent),var(--accent-2));font-weight:700;text-decoration:none}
table{width:100%;border-collapse:collapse;margin:.8rem 0 1.2rem;font-size:.95rem}th,td{text-align:left;vertical-align:top;padding:.55rem .6rem;border-bottom:1px solid var(--line)}th{color:var(--muted);font-weight:650}.scroll-x{overflow-x:auto}
footer{color:var(--muted);padding:2.5rem 0 3rem;font-size:.85rem}footer nav{justify-content:flex-start;margin-top:.5rem}code{overflow-wrap:anywhere}
@media(max-width:680px){header{align-items:flex-start;flex-direction:column}nav{justify-content:flex-start}.hero{padding-top:3rem}.grid{grid-template-columns:1fr}}
@media print{body{background:#fff;color:#000}header,footer,.skip{display:none}main{width:100%}.hero{padding:0 0 1rem}article{border:0;box-shadow:none;padding:0}a{color:inherit}}