:root{
  --bg:#05060d; --surface:#0d0f1a; --text:#fff; --dim:#c4c8da; --muted:#7c819c;
  --border:#1d2030; --accent:#8aa0ff; --violet:#a08bff;
  color-scheme:dark;
}
*{ box-sizing:border-box; margin:0; padding:0; }
html{ scroll-behavior:smooth; scroll-padding-top:calc(84px + env(safe-area-inset-top,0px)); }
body{
  background:var(--bg); color:var(--text); font-family:'Figtree',system-ui,-apple-system,'Segoe UI',Roboto,sans-serif;
  line-height:1.7; -webkit-font-smoothing:antialiased;
  padding:env(safe-area-inset-top,0px) env(safe-area-inset-right,0px) env(safe-area-inset-bottom,0px) env(safe-area-inset-left,0px);
}
a{ color:var(--accent); text-underline-offset:3px; }

.top{
  position:sticky; top:0; z-index:10; display:flex; align-items:center; justify-content:space-between; gap:16px;
  padding:16px clamp(20px,5vw,48px); background:color-mix(in srgb, var(--bg) 82%, transparent);
  -webkit-backdrop-filter:blur(12px) saturate(1.3); backdrop-filter:blur(12px) saturate(1.3); border-bottom:1px solid var(--border);
}
.brand{ display:flex; align-items:center; gap:10px; color:var(--text); text-decoration:none; font-family:'Sora',sans-serif; font-weight:700; font-size:16px; }
.brand img{ width:26px; height:26px; }
.back{ display:inline-flex; align-items:center; gap:8px; color:var(--text); text-decoration:none; font-weight:600; font-size:14px;
  padding:9px 14px; border:1px solid var(--border); border-radius:999px; transition:background .2s; }
.back:hover{ background:var(--surface); }
.back svg{ width:16px; height:16px; }

.hero{ position:relative; overflow:hidden; padding:clamp(56px,9vw,96px) clamp(20px,5vw,48px) clamp(36px,5vw,56px); border-bottom:1px solid var(--border); }
.hero::before{ content:''; position:absolute; inset:-40% -10% auto auto; width:70vmax; height:50vmax; pointer-events:none;
  background:radial-gradient(closest-side, rgba(124,92,255,.28), transparent); }
.hero::after{ content:''; position:absolute; inset:auto auto -50% -15%; width:60vmax; height:45vmax; pointer-events:none;
  background:radial-gradient(closest-side, rgba(76,111,255,.2), transparent); }
.hero-in{ position:relative; max-width:760px; margin:0 auto; }
.eyebrow{ display:inline-block; font-size:12px; font-weight:700; letter-spacing:.14em; text-transform:uppercase; color:var(--violet); margin-bottom:14px; }
h1{ font-family:'Figtree',sans-serif; font-weight:800; letter-spacing:-.03em; line-height:1.05; font-size:clamp(32px,5.5vw,50px); }
.updated{ margin-top:14px; color:var(--muted); font-size:14px; }

.layout{ max-width:calc(760px + 2 * clamp(20px,5vw,48px)); margin:0 auto; padding:clamp(32px,5vw,56px) clamp(20px,5vw,48px) 80px; }
.toc{ background:var(--surface); border:1px solid var(--border); border-radius:16px; padding:20px 22px; margin-bottom:44px; }
.toc b{ display:block; font-size:12px; letter-spacing:.12em; text-transform:uppercase; color:var(--muted); margin-bottom:10px; }
.toc ol{ list-style:none; counter-reset:t; display:grid; gap:6px; }
.toc li{ counter-increment:t; font-size:15px; }
.toc li::before{ content:counter(t, decimal-leading-zero); font:500 12px/1 'IBM Plex Mono',ui-monospace,monospace; color:var(--muted); margin-right:10px; }
.toc a{ color:var(--dim); text-decoration:none; }
.toc a:hover{ color:var(--text); }

section{ padding-top:8px; margin-bottom:40px; }
h2{ font-family:'Figtree',sans-serif; font-weight:800; letter-spacing:-.02em; font-size:clamp(20px,2.6vw,24px); margin-bottom:12px; display:flex; gap:12px; align-items:baseline; }
h2 span{ font:500 13px/1 'IBM Plex Mono',ui-monospace,monospace; color:var(--violet); }
p, li{ color:var(--dim); font-size:16px; }
p + p{ margin-top:12px; }
ul.list{ margin:12px 0 0 0; padding-left:0; list-style:none; display:grid; gap:10px; }
ul.list li{ position:relative; padding-left:22px; }
ul.list li::before{ content:''; position:absolute; left:2px; top:.72em; width:7px; height:7px; border-radius:50%; background:linear-gradient(135deg,var(--accent),var(--violet)); }
strong{ color:var(--text); font-weight:700; }

.card{ background:var(--surface); border:1px solid var(--border); border-radius:16px; padding:18px 20px; margin-top:14px; }
.card dl{ display:grid; grid-template-columns:auto 1fr; gap:8px 18px; }
.card dt{ color:var(--muted); font-size:14px; }
.card dd{ color:var(--text); font-size:15px; font-weight:600; word-break:break-word; }
.note{ border-left:3px solid var(--violet); background:var(--surface); border-radius:0 12px 12px 0; padding:14px 18px; margin-top:14px; font-size:14.5px; }

.table{ overflow-x:auto; margin-top:14px; border:1px solid var(--border); border-radius:14px; }
table{ width:100%; border-collapse:collapse; min-width:520px; font-size:14.5px; }
th, td{ text-align:left; padding:12px 14px; border-bottom:1px solid var(--border); vertical-align:top; }
th{ font-size:12px; letter-spacing:.08em; text-transform:uppercase; color:var(--muted); background:var(--surface); }
td{ color:var(--dim); }
tr:last-child td{ border-bottom:0; }
td:first-child{ color:var(--text); font-weight:600; white-space:nowrap; }

footer{ border-top:1px solid var(--border); padding:28px clamp(20px,5vw,48px) calc(28px + env(safe-area-inset-bottom,0px)); }
footer .in{ max-width:760px; margin:0 auto; display:flex; flex-wrap:wrap; justify-content:space-between; gap:12px; font-size:13.5px; color:var(--muted); }
footer nav{ display:flex; gap:18px; flex-wrap:wrap; }
footer a{ color:var(--dim); text-decoration:none; }
footer a:hover, footer a[aria-current]{ color:var(--text); }

@media (max-width:560px){
  .card dl{ grid-template-columns:1fr; gap:2px; }
  .card dd{ margin-bottom:8px; }
  .back span{ display:none; }
}
@media print{
  .top, footer, .toc, .hero::before, .hero::after{ display:none; }
  body{ color:#000; } p, li, td{ color:#222; }
}