:root {
  --bg: #f5f7fb;
  --surface: #ffffff;
  --text: #1f2937;
  --muted: #4b5563;
  --border: #d7dee8;
  --accent: #1d4ed8;
  --code-bg: #f3f4f6;
  --mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
  --sans: Arial, Helvetica, sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--sans);
  line-height: 1.6;
}

a {
  color: var(--accent);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

.page {
  width: min(1120px, calc(100% - 40px));
  margin: 0 auto;
  padding: 28px 0 56px;
}

.hero {
  padding: 6px 0 20px;
}

.breadcrumbs {
  color: var(--muted);
  font-size: 14px;
}

h1 {
  margin: 10px 0 12px;
  font-size: 34px;
  line-height: 1.2;
}

.lead {
  margin: 0 0 12px;
  max-width: 900px;
}

.jump-links {
  font-size: 15px;
}

.doc section {
  margin: 0 0 34px;
  background: var(--surface);
  border: 1px solid var(--border);
  padding: 22px 24px;
}

h2 {
  margin: 0 0 14px;
  font-size: 24px;
}

h3 {
  margin: 24px 0 10px;
  font-size: 18px;
}

p,
ul {
  margin: 0 0 14px;
}

ul {
  padding-left: 22px;
}

table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 12px;
}

th,
td {
  border: 1px solid var(--border);
  padding: 10px 12px;
  vertical-align: top;
  text-align: left;
}

th {
  background: #eef2f7;
  font-weight: 700;
}

code,
pre {
  font-family: var(--mono);
}

code {
  background: var(--code-bg);
  padding: 1px 4px;
  border-radius: 3px;
}

pre {
  overflow: auto;
  background: var(--code-bg);
  border: 1px solid var(--border);
  padding: 14px;
  margin: 0 0 18px;
}

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

@media (max-width: 768px) {
  .page {
    width: min(100%, calc(100% - 24px));
  }

  h1 {
    font-size: 28px;
  }

  .doc section {
    padding: 18px;
  }
}