:root {
  --bg: #f7f8fc;
  --bg-soft: #eceff7;
  --surface: #ffffff;
  --surface-glass: rgba(255, 255, 255, 0.86);
  --surface-tint: #f2effb;
  --ink: #11121a;
  --muted: #5b6170;
  --line: rgba(28, 29, 42, 0.1);
  --line-strong: rgba(104, 83, 207, 0.2);
  --accent: #6853cf;
  --accent-deep: #4532a0;
  --night: #100d1b;
  --white: #ffffff;
  --shadow: 0 24px 70px rgba(33, 31, 54, 0.1);
}

html {
  background: var(--bg);
}

body {
  color: var(--ink);
  background:
    radial-gradient(circle at 8% 0%, rgba(104, 83, 207, 0.1), transparent 30%),
    radial-gradient(circle at 88% 10%, rgba(17, 18, 26, 0.05), transparent 28%),
    linear-gradient(180deg, var(--bg) 0%, var(--bg-soft) 48%, var(--bg) 100%);
  line-break: strict;
  text-rendering: geometricPrecision;
  word-break: keep-all;
}

body a:focus-visible {
  outline: 3px solid rgba(104, 83, 207, 0.34);
  outline-offset: 4px;
}

.wrap {
  width: min(100% - 48px, 960px);
}

header {
  padding: 16px 0;
  border-bottom: 1px solid var(--line);
  background: rgba(247, 248, 252, 0.82);
  backdrop-filter: blur(18px) saturate(140%);
  -webkit-backdrop-filter: blur(18px) saturate(140%);
}

nav {
  min-height: 48px;
}

.brand {
  display: inline-flex;
  align-items: center;
}

.brand img {
  width: 96px;
  height: auto;
}

nav a {
  color: var(--muted);
  font-size: 13px;
  font-weight: 840;
  text-decoration: none;
}

nav > a:not(.brand),
.links a {
  display: inline-flex;
  min-height: 34px;
  align-items: center;
}

nav a:hover,
nav a:focus-visible {
  color: var(--accent-deep);
}

.links {
  gap: 10px 18px;
  font-size: 13px;
}

main {
  padding: 48px 0 76px;
}

h1 {
  max-width: 820px;
  color: var(--ink);
  text-wrap: balance;
}

h2 {
  color: var(--ink);
  text-wrap: balance;
}

.lead,
.meta {
  color: var(--muted);
  text-wrap: pretty;
}

.doc-nav {
  gap: 10px;
  margin: 30px 0 24px;
}

.doc-nav a,
article {
  border-color: var(--line);
  border-radius: 8px;
  background: var(--surface-glass);
  box-shadow: var(--shadow);
}

.doc-nav a {
  min-height: 52px;
  color: var(--accent-deep);
  background: rgba(255, 255, 255, 0.72);
}

article {
  padding: 30px;
}

article + article {
  margin-top: 16px;
}

pre,
p,
li {
  color: #2b2733;
  line-height: 1.76;
  text-wrap: pretty;
}

pre {
  overflow-wrap: anywhere;
}

.notice {
  border-color: var(--line-strong);
  border-radius: 8px;
  background: rgba(104, 83, 207, 0.08);
}

footer {
  padding: 20px 0 22px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  color: rgba(255, 255, 255, 0.62);
  background:
    radial-gradient(circle at 10% 0%, rgba(104, 83, 207, 0.3), transparent 34%),
    linear-gradient(180deg, #171022 0%, var(--night) 100%);
  font-size: 11px;
  line-height: 1.55;
}

footer a {
  color: rgba(255, 255, 255, 0.84);
  font-weight: 820;
  text-underline-offset: 3px;
}

@media (max-width: 720px) {
  .wrap {
    width: min(100% - 32px, 960px);
  }

  header {
    position: static;
  }

  nav {
    align-items: flex-start;
  }

  .brand img {
    width: 88px;
  }

  main {
    padding: 36px 0 58px;
  }

  article {
    padding: 22px;
  }
}