:root {
  color-scheme: light;
  --bg: #f7f4ef;
  --panel: #fffdf8;
  --ink: #22211f;
  --muted: #66645f;
  --line: #ddd7cb;
  --accent: #176f6b;
  --accent-strong: #0f4f4c;
  --warm: #b44728;
  --code-bg: #f0ebe1;
  --shadow: 0 18px 48px rgba(33, 30, 24, 0.12);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 16px;
  line-height: 1.7;
}

a {
  color: var(--accent);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.18em;
}

a:hover {
  color: var(--warm);
}

.site-shell {
  display: grid;
  grid-template-columns: minmax(230px, 292px) minmax(0, 1fr);
  min-height: 100vh;
}

.sidebar {
  position: sticky;
  top: 0;
  height: 100vh;
  overflow: auto;
  border-right: 1px solid var(--line);
  background: #eeeadf;
  padding: 24px 18px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--ink);
  text-decoration: none;
  margin-bottom: 24px;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 46px;
  height: 46px;
  border: 2px solid var(--ink);
  background: #f7c96d;
  font-weight: 800;
}

.brand strong,
.brand small {
  display: block;
}

.brand small {
  color: var(--muted);
  font-size: 13px;
}

.nav-group {
  margin-top: 22px;
}

.nav-group h2 {
  margin: 0 0 7px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 800;
  text-transform: uppercase;
}

.nav-group ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-group li + li {
  margin-top: 3px;
}

.nav-group a {
  display: block;
  border-left: 3px solid transparent;
  color: var(--ink);
  padding: 6px 8px 6px 10px;
  text-decoration: none;
  font-size: 14px;
  line-height: 1.35;
}

.nav-group a:hover,
.nav-group a.active {
  border-left-color: var(--accent);
  background: rgba(23, 111, 107, 0.09);
}

.page {
  width: min(100%, 1040px);
  padding: 34px 44px 72px;
}

.page-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 24px;
  border-bottom: 1px solid var(--line);
  padding-bottom: 24px;
  margin-bottom: 28px;
}

.eyebrow {
  margin: 0 0 6px;
  color: var(--warm);
  font-size: 13px;
  font-weight: 800;
  text-transform: uppercase;
}

.page-header h1 {
  margin: 0;
  max-width: 780px;
  font-size: 34px;
  line-height: 1.16;
}

.page-actions {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  justify-content: flex-end;
  min-width: 148px;
}

.page-actions a {
  border: 1px solid var(--line);
  background: var(--panel);
  color: var(--ink);
  padding: 7px 10px;
  text-decoration: none;
  font-size: 13px;
  font-weight: 700;
}

.page-actions a:hover {
  border-color: var(--accent);
  color: var(--accent-strong);
}

.hero-visual {
  margin: 0 0 32px;
  border: 1px solid var(--line);
  background: var(--panel);
  box-shadow: var(--shadow);
}

.hero-visual img {
  display: block;
  width: 100%;
  height: auto;
}

.content {
  max-width: 830px;
}

.content h1,
.content h2,
.content h3,
.content h4 {
  line-height: 1.25;
}

.content h1 {
  display: none;
}

.content h2 {
  margin: 34px 0 10px;
  font-size: 24px;
}

.content h3 {
  margin: 28px 0 8px;
  font-size: 19px;
}

.content p,
.content ul,
.content ol,
.content blockquote,
.table-scroll {
  margin-top: 0;
  margin-bottom: 18px;
}

.content li + li {
  margin-top: 6px;
}

blockquote {
  border-left: 4px solid var(--accent);
  background: rgba(23, 111, 107, 0.08);
  margin-left: 0;
  padding: 12px 16px;
}

code {
  border-radius: 4px;
  background: var(--code-bg);
  padding: 0.12em 0.32em;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.92em;
}

pre {
  overflow: auto;
  border: 1px solid var(--line);
  background: #1f2524;
  color: #f3f1ea;
  padding: 16px;
}

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

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

table {
  width: 100%;
  border-collapse: collapse;
  background: var(--panel);
}

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

th {
  background: #e9e0cf;
}

@media (max-width: 820px) {
  .site-shell {
    display: block;
  }

  .sidebar {
    position: static;
    height: auto;
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .page {
    padding: 24px 18px 52px;
  }

  .page-header {
    display: block;
  }

  .page-header h1 {
    font-size: 28px;
  }

  .page-actions {
    justify-content: flex-start;
    margin-top: 16px;
  }
}