@font-face { font-family: Poppins; src: url(/fonts/Poppins-Regular.ttf); font-weight: 400; }
@font-face { font-family: Poppins; src: url(/fonts/Poppins-Medium.ttf); font-weight: 500; }
@font-face { font-family: Poppins; src: url(/fonts/Poppins-Bold.ttf); font-weight: 700; }

:root {
  --bg: #0a0d18; --panel: #111629; --panel-2: #161c33; --line: rgba(255,255,255,.08);
  --text: #f4f6ff; --body: rgba(228,232,255,.82); --muted: rgba(214,220,255,.55); --a: #7c5cff; --b: #c45cff;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0; min-height: 100vh; font-family: Poppins, "Segoe UI", system-ui, sans-serif; color: var(--text); line-height: 1.7;
  background: radial-gradient(1000px 500px at 50% -15%, color-mix(in srgb, var(--a) 26%, transparent), transparent 60%), var(--bg);
}
.wrap { max-width: 820px; margin: 0 auto; padding: 0 20px 80px; }
.grad { background: linear-gradient(90deg, var(--a), var(--b)); -webkit-background-clip: text; background-clip: text; color: transparent; }

nav.top { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 22px 0; flex-wrap: wrap; }
nav.top a { color: var(--muted); text-decoration: none; font-size: 14px; font-weight: 500; }
nav.top a:hover, nav.top a[aria-current] { color: var(--text); }
nav.top .links { display: flex; gap: 18px; }
nav.top .home { color: var(--text); font-weight: 700; }

header.doc { padding: 26px 0 8px; }
header.doc h1 { margin: 0 0 6px; font-size: clamp(30px, 6vw, 44px); line-height: 1.15; }
header.doc .meta { color: var(--muted); font-size: 14px; }

.summary { margin: 26px 0 8px; padding: 18px 20px; border-radius: 16px; background: linear-gradient(180deg, var(--panel-2), var(--panel));
  border: 1px solid var(--line); color: var(--body); font-size: 15px; }
.summary b { color: var(--text); }

.toc { margin: 22px 0 6px; padding: 16px 20px; border-radius: 16px; border: 1px solid var(--line); background: rgba(255,255,255,.02); }
.toc h2 { margin: 0 0 8px; font-size: 13px; letter-spacing: 1.2px; text-transform: uppercase; color: var(--muted); }
.toc ol { margin: 0; padding-left: 20px; columns: 2; column-gap: 28px; font-size: 14px; }
.toc a { color: var(--body); text-decoration: none; }
.toc a:hover { color: var(--text); text-decoration: underline; }
@media (max-width: 600px) { .toc ol { columns: 1; } }

section { padding-top: 26px; }
section h2 { margin: 0 0 8px; font-size: 21px; scroll-margin-top: 20px; }
section h3 { margin: 18px 0 4px; font-size: 16px; color: var(--text); }
p, li { color: var(--body); font-size: 15.5px; }
ul { padding-left: 22px; }
li { margin: 4px 0; }
a { color: color-mix(in srgb, var(--a) 70%, white); }
code { font-size: 13.5px; padding: 1px 6px; border-radius: 6px; background: rgba(255,255,255,.07); }

table { width: 100%; border-collapse: collapse; margin: 10px 0; font-size: 14.5px; }
th, td { text-align: left; vertical-align: top; padding: 10px 12px; border-bottom: 1px solid var(--line); color: var(--body); }
th { color: var(--text); font-weight: 600; background: rgba(255,255,255,.03); }
.table-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: 14px; }
.table-wrap table { margin: 0; }

footer { margin-top: 48px; padding-top: 20px; border-top: 1px solid var(--line); color: var(--muted); font-size: 13.5px;
  display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap; }
footer a { color: var(--muted); }