:root {
  --accent: #4a9e5c;
  --accent-soft: rgba(74, 158, 92, 0.14);
  --bg: #f7f8f6;
  --surface: #ffffff;
  --surface-soft: #f3f4f2;
  --text: #1f231f;
  --text-muted: #667066;
  --border: rgba(25, 40, 27, 0.14);
  --shadow-sm: 0 6px 24px rgba(15, 28, 18, 0.08);
  --shadow-md: 0 14px 38px rgba(15, 28, 18, 0.12);

  --locked: #4a9e5c;
  --moving: #378add;
  --crawling: #ba7517;
  --struggled: #d85a30;
  --skipped: #888780;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family:
    "Avenir Next",
    "Segoe UI",
    -apple-system,
    BlinkMacSystemFont,
    sans-serif;
  background:
    radial-gradient(circle at 8% -10%, #e8f4ea 0%, transparent 38%),
    radial-gradient(circle at 92% -10%, #e9f1fb 0%, transparent 32%), var(--bg);
  color: var(--text);
  line-height: 1.6;
}

img,
svg {
  max-width: 100%;
  height: auto;
}

.docs-shell {
  display: grid;
  grid-template-columns: 290px minmax(0, 1fr);
  min-height: 100vh;
}

.docs-sidebar {
  position: sticky;
  top: 0;
  align-self: start;
  height: 100vh;
  overflow-y: auto;
  background: color-mix(in srgb, var(--surface) 86%, #eef4ed);
  border-right: 1px solid var(--border);
  padding: 1.4rem 1rem 1.5rem;
}

.brand {
  display: flex;
  gap: 0.7rem;
  align-items: center;
  text-decoration: none;
  color: inherit;
  margin-bottom: 1.2rem;
  padding: 0.85rem;
  border: 1px solid var(--border);
  border-radius: 14px;
  background: var(--surface);
  box-shadow: var(--shadow-sm);
}

.brand-dot {
  width: 12px;
  height: 12px;
  border-radius: 999px;
  background: var(--accent);
  box-shadow: 0 0 0 6px var(--accent-soft);
  flex-shrink: 0;
}

.brand h1 {
  font-size: 1rem;
  line-height: 1.2;
}

.brand p {
  font-size: 0.77rem;
  color: var(--text-muted);
}

.docs-nav {
  display: grid;
  gap: 0.2rem;
}

.nav-title {
  margin-top: 1rem;
  margin-bottom: 0.35rem;
  font-size: 0.71rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-muted);
  padding-left: 0.65rem;
}

.nav-link {
  text-decoration: none;
  color: #3a443a;
  font-size: 0.9rem;
  border-radius: 10px;
  padding: 0.5rem 0.65rem;
  border: 1px solid transparent;
  transition: 0.18s ease;
}

.nav-link:hover,
.nav-link:focus-visible {
  border-color: var(--border);
  background: var(--surface);
  color: #1d281f;
  outline: none;
}

.docs-main {
  padding: 2.2rem 2.1rem 3.5rem;
  width: min(980px, 100%);
  margin: 0 auto;
}

.hero {
  background: linear-gradient(130deg, #f5fcf6 0%, #ffffff 52%, #f6f8fb 100%);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 1.4rem;
  box-shadow: var(--shadow-sm);
  margin-bottom: 1.4rem;
}

.eyebrow {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.09em;
  color: var(--text-muted);
  margin-bottom: 0.35rem;
}

.hero h2 {
  font-size: clamp(1.5rem, 3vw, 2.1rem);
  line-height: 1.1;
  margin-bottom: 0.5rem;
}

.hero p {
  color: var(--text-muted);
  max-width: 66ch;
}

.hero-link {
  display: inline-flex;
  margin-top: 0.95rem;
  text-decoration: none;
  color: white;
  background: var(--accent);
  padding: 0.56rem 0.96rem;
  border-radius: 999px;
  font-weight: 700;
  font-size: 0.86rem;
}

.doc-section {
  margin-top: 1.15rem;
  scroll-margin-top: 1rem;
}

.doc-section h3 {
  font-size: 1.2rem;
  margin-bottom: 0.6rem;
  letter-spacing: -0.01em;
}

.card,
.table-wrap {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 1rem;
  box-shadow: var(--shadow-sm);
}

.card + .card,
.card + .table-wrap,
.table-wrap + .card {
  margin-top: 0.8rem;
}

.card h4 {
  font-size: 1rem;
  margin-bottom: 0.34rem;
}

.card p + p,
.card p + ul,
.card p + ol,
.card ul + p,
.card ol + p {
  margin-top: 0.62rem;
}

.pill-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  margin-bottom: 0.75rem;
}

.pill {
  display: inline-flex;
  align-items: center;
  border-radius: 999px;
  font-size: 0.78rem;
  background: var(--surface-soft);
  border: 1px solid var(--border);
  padding: 0.24rem 0.64rem;
}

.note {
  margin-top: 0.75rem;
  padding: 0.75rem 0.85rem;
  border-radius: 12px;
  border: 1px solid color-mix(in srgb, var(--accent) 35%, transparent);
  background: color-mix(in srgb, var(--accent-soft) 58%, white);
}

.table {
  width: 100%;
  border-collapse: collapse;
}

.table th,
.table td {
  text-align: left;
  padding: 0.58rem 0.52rem;
  border-bottom: 1px solid var(--border);
  vertical-align: top;
  font-size: 0.9rem;
}

.table th {
  color: var(--text-muted);
  font-weight: 700;
  font-size: 0.8rem;
  letter-spacing: 0.01em;
  text-transform: uppercase;
}

.table tr:last-child td {
  border-bottom: none;
}

.state {
  font-weight: 700;
}

.state.locked {
  color: var(--locked);
}

.state.moving {
  color: var(--moving);
}

.state.crawling {
  color: var(--crawling);
}

.state.struggled {
  color: var(--struggled);
}

.state.skipped {
  color: var(--skipped);
}

ul,
ol {
  padding-left: 1.1rem;
}

li + li {
  margin-top: 0.3rem;
}

code {
  font-family: "JetBrains Mono", "Fira Code", "Cascadia Code", monospace;
  font-size: 0.84rem;
  padding: 0.1rem 0.38rem;
  border-radius: 6px;
  background: color-mix(in srgb, var(--surface-soft) 92%, #d6ddd7);
  border: 1px solid var(--border);
}

.code-block {
  margin-top: 0.65rem;
  font-family: "JetBrains Mono", "Fira Code", "Cascadia Code", monospace;
  font-size: 0.82rem;
  line-height: 1.45;
  white-space: pre;
  overflow-x: auto;
  border-radius: 11px;
  border: 1px solid var(--border);
  background: #eff2ee;
  color: #233125;
  padding: 0.85rem;
}

.docs-sidebar,
.code-block {
  scrollbar-width: thin;
  scrollbar-color: color-mix(in srgb, var(--text-muted) 42%, transparent)
    transparent;
}

.docs-sidebar::-webkit-scrollbar,
.code-block::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

.docs-sidebar::-webkit-scrollbar-track,
.code-block::-webkit-scrollbar-track {
  background: transparent;
}

.docs-sidebar::-webkit-scrollbar-thumb,
.code-block::-webkit-scrollbar-thumb {
  background: color-mix(in srgb, var(--text-muted) 42%, transparent);
  border-radius: 10px;
}

@media (max-width: 950px) {
  .docs-shell {
    grid-template-columns: 1fr;
  }

  .docs-sidebar {
    position: relative;
    height: auto;
    border-right: none;
    border-bottom: 1px solid var(--border);
    padding: 1rem 0.85rem;
  }

  .docs-nav {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0.3rem;
  }

  .nav-title {
    grid-column: 1 / -1;
    margin-top: 0.6rem;
    margin-bottom: 0.2rem;
  }

  .docs-main {
    width: 100%;
    padding: 1.2rem 1rem 2.4rem;
  }
}

@media (max-width: 640px) {
  body {
    line-height: 1.55;
  }

  .docs-nav {
    grid-template-columns: 1fr;
  }

  .nav-link {
    font-size: 0.86rem;
    padding: 0.45rem 0.6rem;
  }

  .docs-main {
    padding: 1rem 0.75rem 2rem;
  }

  .hero {
    padding: 1.1rem;
  }

  .hero h2 {
    font-size: clamp(1.35rem, 7vw, 1.8rem);
  }

  .doc-section h3 {
    font-size: 1.08rem;
  }

  .card,
  .table-wrap {
    padding: 0.85rem;
  }

  .table-wrap {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }

  .table {
    min-width: 560px;
  }

  .table th,
  .table td {
    font-size: 0.84rem;
    padding: 0.48rem 0.42rem;
  }

  .code-block {
    font-size: 0.77rem;
    padding: 0.75rem;
    -webkit-overflow-scrolling: touch;
  }
}

@media (max-width: 420px) {
  .docs-sidebar {
    padding: 0.85rem 0.7rem;
  }

  .brand {
    padding: 0.72rem;
    margin-bottom: 0.8rem;
  }

  .brand h1 {
    font-size: 0.95rem;
  }

  .brand p {
    display: none;
  }

  .hero-link {
    width: 100%;
    justify-content: center;
  }

  .table {
    min-width: 500px;
  }

  .code-block {
    white-space: pre-wrap;
    word-break: break-word;
  }

  code {
    overflow-wrap: anywhere;
  }
}