:root {
  color-scheme: light;
  --bg: #fcfcfb;
  --sidebar: #f5f3ef;
  --surface: #ffffff;
  --text: #1f2523;
  --muted: #6c746f;
  --faint: #929a95;
  --line: #e3e0d8;
  --accent: #16695f;
  --accent-soft: #e6f1ee;
  --code: #f0eee8;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  display: grid;
  grid-template-columns: 300px minmax(0, 1fr);
  min-height: 100vh;
  background: var(--bg);
  color: var(--text);
  font-family: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.65;
  -webkit-text-size-adjust: 100%;
}

a {
  color: var(--accent);
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

.sidebar {
  position: sticky;
  top: 0;
  height: 100vh;
  overflow: auto;
  border-right: 1px solid var(--line);
  background: var(--sidebar);
  padding: 30px 22px;
}

.brand-block {
  display: block;
  margin-bottom: 30px;
}

.brand {
  display: block;
  color: var(--text);
  font-size: 22px;
  font-weight: 700;
  text-decoration: none;
}

.tagline {
  display: block;
  margin-top: 8px;
  max-width: 220px;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.45;
}

.nav-panel summary {
  list-style: none;
}

.nav-panel summary::-webkit-details-marker {
  display: none;
}

.menu-label {
  display: none;
}

nav {
  display: grid;
  gap: 22px;
}

.nav-section {
  display: grid;
  gap: 4px;
}

.nav-heading {
  margin-bottom: 5px;
  color: var(--faint);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.nav-link {
  border-radius: 8px;
  padding: 8px 10px;
  color: var(--muted);
  font-size: 15px;
  font-weight: 520;
  line-height: 1.35;
  text-decoration: none;
}

.nav-link:hover,
.nav-link.active {
  background: var(--accent-soft);
  color: var(--accent);
}

.content {
  width: min(100%, 980px);
  padding: 64px 56px 96px;
}

.page-header {
  margin-bottom: 14px;
}

.eyebrow {
  color: var(--faint);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

article {
  max-width: 820px;
  font-size: 17px;
}

h1, h2, h3, h4, h5, h6 {
  margin: 1.45em 0 0.45em;
  line-height: 1.2;
}

h1 {
  margin-top: 0;
  margin-bottom: 22px;
  font-size: 44px;
  letter-spacing: 0;
}

h2 {
  border-top: 1px solid var(--line);
  margin-top: 44px;
  padding-top: 28px;
  font-size: 25px;
}

p {
  margin: 0 0 18px;
}

ul {
  margin: 12px 0 22px;
  padding-left: 24px;
}

li + li {
  margin-top: 7px;
}

code {
  border-radius: 5px;
  background: var(--code);
  padding: 0.12em 0.32em;
  font-size: 0.9em;
}

pre {
  overflow: auto;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--code);
  padding: 14px 16px;
}

pre code {
  padding: 0;
  background: transparent;
}

table {
  width: 100%;
  border-collapse: collapse;
  margin: 20px 0;
  display: block;
  overflow-x: auto;
  white-space: nowrap;
}

th, td {
  border: 1px solid var(--line);
  padding: 8px 10px;
  text-align: left;
  vertical-align: top;
}

th {
  background: var(--sidebar);
}

@media (max-width: 760px) {
  body {
    display: block;
  }

  .sidebar {
    position: sticky;
    height: auto;
    z-index: 10;
    border-right: 0;
    border-bottom: 1px solid var(--line);
    padding: 0;
  }

  .nav-panel {
    background: rgba(245, 243, 239, 0.96);
    backdrop-filter: blur(12px);
  }

  .nav-panel:not([open]) nav {
    display: none;
  }

  .nav-panel summary {
    display: flex;
    min-height: 64px;
    cursor: pointer;
    align-items: center;
    justify-content: space-between;
    gap: 14px;
    padding: 12px 18px;
  }

  .brand-block {
    margin-bottom: 0;
  }

  .brand {
    font-size: 19px;
  }

  .tagline {
    display: none;
  }

  .menu-label {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--line);
    border-radius: 999px;
    padding: 6px 12px;
    color: var(--muted);
    font-size: 13px;
    font-weight: 700;
  }

  nav {
    border-top: 1px solid var(--line);
    gap: 16px;
    max-height: 70vh;
    overflow: auto;
    padding: 18px;
  }

  .nav-link {
    min-height: 42px;
    display: flex;
    align-items: center;
    font-size: 16px;
  }

  .content {
    padding: 30px 18px 56px;
  }

  .eyebrow {
    overflow-wrap: anywhere;
  }

  h1 {
    font-size: 32px;
    line-height: 1.12;
  }

  h2 {
    margin-top: 34px;
    padding-top: 22px;
    font-size: 23px;
  }

  article {
    font-size: 16px;
  }

  p {
    margin-bottom: 16px;
  }

  ul {
    padding-left: 20px;
  }

  pre {
    margin-left: -2px;
    margin-right: -2px;
    border-radius: 7px;
    padding: 12px;
  }

  table {
    margin: 16px -18px 22px;
    width: calc(100% + 36px);
    border-left: 0;
    border-right: 0;
  }

  th,
  td {
    padding: 9px 10px;
    font-size: 14px;
  }
}