:root {
  color-scheme: light;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --bg: #f8fafc;
  --card: #ffffff;
  --border: #dbe3ef;
  --text: #0f172a;
  --muted: #526173;
  --soft: #eef3f8;
  --accent: #0f766e;
}

* {
  box-sizing: border-box;
}

body {
  background: var(--bg);
  color: var(--text);
  margin: 0;
}

a {
  color: inherit;
  text-decoration: none;
}

a:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.topbar {
  align-items: center;
  background: rgba(255, 255, 255, 0.96);
  border-bottom: 1px solid var(--border);
  display: flex;
  gap: 20px;
  min-height: 58px;
  padding: 0 28px;
  position: sticky;
  top: 0;
  z-index: 10;
}

.brand {
  font-size: 15px;
  font-weight: 700;
  white-space: nowrap;
}

.developer-language {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--text);
  font: inherit;
  margin-left: auto;
  padding: 7px 9px;
}

.nav {
  display: flex;
  gap: 4px;
  overflow-x: auto;
}

.nav a {
  border-radius: 6px;
  color: var(--muted);
  font-size: 13px;
  padding: 8px 10px;
  white-space: nowrap;
}

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

.page {
  margin: 0 auto;
  max-width: 1120px;
  padding: 44px 28px 72px;
}

.hero {
  padding: 36px 0 44px;
}

.hero.compact {
  padding-bottom: 24px;
}

.eyebrow,
.label {
  color: var(--accent);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0;
  text-transform: uppercase;
}

h1 {
  font-size: 42px;
  line-height: 1.08;
  margin: 10px 0 14px;
}

h2 {
  font-size: 20px;
  line-height: 1.25;
  margin: 8px 0 8px;
}

p {
  color: var(--muted);
  font-size: 15px;
  line-height: 1.7;
}

.hero-copy {
  max-width: 760px;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 24px;
}

.button {
  align-items: center;
  border: 1px solid var(--border);
  border-radius: 6px;
  display: inline-flex;
  font-size: 14px;
  font-weight: 650;
  height: 38px;
  padding: 0 14px;
}

.button.primary {
  background: var(--text);
  border-color: var(--text);
  color: #ffffff;
}

.grid {
  display: grid;
  gap: 14px;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.overview-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 8px;
  display: block;
  min-height: 150px;
  padding: 22px;
}

.card:hover {
  border-color: #94a3b8;
}

.layout {
  display: grid;
  gap: 32px;
  grid-template-columns: 220px minmax(0, 820px);
  margin: 0 auto;
  max-width: 1120px;
  padding: 34px 28px 72px;
}

.toc {
  align-self: start;
  display: grid;
  gap: 4px;
  position: sticky;
  top: 82px;
}

.toc a {
  border-radius: 6px;
  color: var(--muted);
  font-size: 13px;
  padding: 8px 10px;
}

.toc a:hover {
  background: var(--soft);
  color: var(--text);
}

.doc {
  background: #ffffff;
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 28px;
}

.doc section {
  border-top: 1px solid var(--border);
  margin-top: 28px;
  padding-top: 24px;
}

pre {
  background: #0f172a;
  border-radius: 8px;
  color: #e5edf6;
  overflow-x: auto;
  padding: 16px;
}

code {
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  font-size: 13px;
}

table {
  border-collapse: collapse;
  font-size: 14px;
  width: 100%;
}

.table-scroll {
  overflow-x: auto;
}

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

@media (max-width: 920px) {
  .overview-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 760px) {
  .topbar {
    align-items: flex-start;
    flex-direction: column;
    gap: 8px;
    padding: 12px 18px;
  }

  .page,
  .layout {
    padding-left: 18px;
    padding-right: 18px;
  }

  .grid,
  .layout {
    grid-template-columns: 1fr;
  }

  .toc {
    position: static;
  }

  h1 {
    font-size: 32px;
  }
}