:root {
  --bg: #f8f4ec;
  --bg-alt: #fffdf8;
  --surface: rgba(255, 255, 255, 0.75);
  --surface-strong: rgba(255, 255, 255, 0.92);
  --ink: #22211d;
  --ink-muted: #5c584f;
  --line: rgba(34, 33, 29, 0.16);
  --brand: #e05b2f;
  --brand-soft: #ff8f6a;
  --accent: #1f8ea9;
  --shadow: 0 20px 60px rgba(26, 22, 18, 0.12);
  --radius-lg: 18px;
  --radius-md: 12px;
  --radius-sm: 8px;
  --mono: "Iosevka Web", "SFMono-Regular", "Menlo", "Consolas", monospace;
  --sans: "Avenir Next", "Trebuchet MS", "Segoe UI", sans-serif;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
  background:
    radial-gradient(
      circle at 85% 8%,
      rgba(31, 142, 169, 0.22),
      transparent 32%
    ),
    radial-gradient(circle at 12% 85%, rgba(224, 91, 47, 0.2), transparent 38%),
    linear-gradient(160deg, var(--bg) 0%, var(--bg-alt) 100%);
  color: var(--ink);
  font-family: var(--sans);
}

a {
  color: var(--accent);
}

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

code {
  font-family: var(--mono);
  font-size: 0.94em;
  padding: 0.08rem 0.28rem;
  border-radius: 4px;
  background: rgba(31, 142, 169, 0.12);
}

pre {
  margin: 1rem 0 1.25rem;
  padding: 1rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--line);
  background: #191a1c;
  color: #f8f8f2;
  overflow: auto;
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.06);
}

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

.site-shell {
  max-width: 1220px;
  margin: 0 auto;
  padding: 1.25rem;
}

.topbar {
  position: sticky;
  top: 0.7rem;
  z-index: 40;
  margin-bottom: 1rem;
  backdrop-filter: blur(10px);
  border-radius: var(--radius-lg);
  border: 1px solid var(--line);
  background: var(--surface-strong);
  box-shadow: var(--shadow);
}

.topbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.75rem 1rem;
}

.topbar-actions {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.search-form {
  display: inline-flex;
  align-items: center;
}

.search-form input {
  width: 180px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.86);
  color: var(--ink);
  font: inherit;
  font-size: 0.83rem;
  padding: 0.3rem 0.45rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  color: var(--ink);
  text-decoration: none;
  font-weight: 700;
  letter-spacing: 0.01em;
}

.brand-dot {
  width: 0.72rem;
  height: 0.72rem;
  border-radius: 999px;
  background: linear-gradient(140deg, var(--brand), var(--brand-soft));
  box-shadow: 0 0 0 4px rgba(224, 91, 47, 0.18);
}

.nav {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.35rem;
}

.nav a {
  display: inline-block;
  text-decoration: none;
  color: var(--ink-muted);
  font-weight: 600;
  padding: 0.45rem 0.7rem;
  border-radius: 10px;
  border: 1px solid transparent;
}

.nav a.active {
  color: var(--ink);
  border-color: rgba(31, 142, 169, 0.26);
  background: rgba(31, 142, 169, 0.1);
}

.nav a.repo {
  border-color: rgba(224, 91, 47, 0.35);
  background: rgba(224, 91, 47, 0.08);
  color: #7f2f16;
}

.version-picker {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.3rem 0.45rem;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.65);
}

.version-picker label {
  font-size: 0.8rem;
  color: var(--ink-muted);
  white-space: nowrap;
}

.version-picker select {
  border: 1px solid var(--line);
  border-radius: 7px;
  background: #fff;
  color: var(--ink);
  font: inherit;
  font-size: 0.82rem;
  padding: 0.18rem 0.34rem;
}

.page {
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--surface);
  box-shadow: var(--shadow);
  overflow: hidden;
}

.doc-grid {
  display: grid;
  grid-template-columns: 280px minmax(0, 1fr);
}

.doc-sidebar {
  padding: 1rem;
  border-right: 1px solid var(--line);
  background: linear-gradient(
    180deg,
    rgba(31, 142, 169, 0.06),
    transparent 65%
  );
}

.doc-sidebar h2 {
  margin-top: 0.2rem;
  margin-bottom: 0.6rem;
  font-size: 0.95rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--ink-muted);
}

.doc-sidebar-group + .doc-sidebar-group {
  margin-top: 0.9rem;
}

.doc-sidebar-group h3 {
  margin: 0 0 0.35rem;
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--ink-muted);
}

.doc-sidebar a {
  display: block;
  text-decoration: none;
  color: var(--ink-muted);
  padding: 0.4rem 0.45rem;
  border-radius: var(--radius-sm);
  margin-bottom: 0.2rem;
  font-weight: 600;
}

.doc-sidebar a.active {
  color: var(--ink);
  background: rgba(31, 142, 169, 0.1);
}

.doc-main {
  padding: 1.15rem 1.45rem 1.35rem;
}

.doc-pagination {
  margin-top: 1.2rem;
  padding-top: 0.9rem;
  border-top: 1px solid var(--line);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.6rem;
}

.doc-pagination-link {
  display: block;
  text-decoration: none;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  padding: 0.55rem 0.65rem;
  background: rgba(255, 255, 255, 0.72);
}

.doc-pagination-link span {
  display: block;
  font-size: 0.74rem;
  color: var(--ink-muted);
}

.doc-pagination-link strong {
  color: var(--ink);
  font-size: 0.9rem;
}

.doc-pagination-link.next {
  text-align: right;
}

.doc-pagination-empty {
  display: block;
}

.doc-meta {
  margin-bottom: 0.85rem;
  font-size: 0.92rem;
  color: var(--ink-muted);
}

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

.prose h1,
.prose h2,
.prose h3,
.prose h4,
.prose h5,
.prose h6 {
  color: var(--ink);
  line-height: 1.2;
  margin-top: 1.2em;
  margin-bottom: 0.45em;
}

.prose h1 {
  font-size: 2rem;
  margin-top: 0.1em;
}

.prose h2 {
  font-size: 1.45rem;
}

.prose h3 {
  font-size: 1.16rem;
}

.prose p,
.prose li {
  color: #302e29;
  line-height: 1.62;
}

.prose ul,
.prose ol {
  margin-top: 0.35rem;
  margin-bottom: 0.9rem;
  padding-left: 1.35rem;
}

.prose blockquote {
  margin: 0.9rem 0;
  border-left: 3px solid rgba(31, 142, 169, 0.45);
  padding: 0.25rem 0.85rem;
  color: #3a372f;
  background: rgba(31, 142, 169, 0.07);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}

.prose table {
  width: 100%;
  border-collapse: collapse;
  margin: 0.95rem 0 1.1rem;
  font-size: 0.94rem;
}

.prose th,
.prose td {
  border: 1px solid var(--line);
  padding: 0.42rem 0.52rem;
  text-align: left;
  vertical-align: top;
}

.prose th {
  background: rgba(31, 142, 169, 0.08);
}

.search-panel {
  margin-top: 1rem;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  padding: 0.85rem 0.9rem;
  background: rgba(255, 255, 255, 0.74);
}

.search-panel label {
  display: block;
  font-weight: 700;
  margin-bottom: 0.3rem;
  color: var(--ink-muted);
}

.search-panel input {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  font: inherit;
  padding: 0.38rem 0.48rem;
}

.search-status {
  margin: 0.55rem 0 0.4rem;
  color: var(--ink-muted);
}

.search-results {
  list-style: none;
  margin: 0;
  padding: 0;
}

.search-results li {
  margin: 0 0 0.5rem;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.75);
  padding: 0.55rem 0.62rem;
}

.search-results a {
  font-weight: 700;
  text-decoration: none;
}

.search-results p {
  margin: 0.2rem 0 0;
  color: var(--ink-muted);
  font-size: 0.86rem;
}

.hero {
  margin-bottom: 1rem;
  padding: 1.05rem 1.15rem;
  border-radius: var(--radius-md);
  border: 1px solid rgba(31, 142, 169, 0.24);
  background: linear-gradient(
    130deg,
    rgba(31, 142, 169, 0.14),
    rgba(224, 91, 47, 0.1)
  );
}

.hero h1,
.hero h2 {
  margin: 0 0 0.35rem;
}

.hero p {
  margin: 0;
  color: #37342d;
}

.examples-grid {
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
}

.example-card {
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.86);
  padding: 0.9rem;
}

.example-card h3 {
  margin-top: 0;
  margin-bottom: 0.4rem;
  font-size: 1.05rem;
}

.example-card p {
  margin-top: 0.15rem;
  margin-bottom: 0.8rem;
  color: var(--ink-muted);
  font-size: 0.95rem;
}

.pill {
  display: inline-flex;
  align-items: center;
  border-radius: 999px;
  border: 1px solid rgba(31, 142, 169, 0.35);
  padding: 0.15rem 0.55rem;
  font-size: 0.75rem;
  font-weight: 700;
  color: #175f72;
  background: rgba(31, 142, 169, 0.1);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
}

.btn {
  display: inline-block;
  text-decoration: none;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  padding: 0.4rem 0.68rem;
  font-size: 0.9rem;
  font-weight: 700;
}

.btn.primary {
  background: linear-gradient(135deg, var(--brand), var(--brand-soft));
  color: #fffdf9;
}

.btn.ghost {
  border-color: var(--line);
  color: var(--ink-muted);
}

.example-page {
  display: grid;
  grid-template-rows: auto minmax(420px, 68vh) auto;
}

.example-head {
  border-bottom: 1px solid var(--line);
  padding: 0.9rem 1rem;
  background: linear-gradient(
    120deg,
    rgba(224, 91, 47, 0.09),
    rgba(31, 142, 169, 0.11)
  );
}

.example-head h1 {
  margin: 0;
  font-size: 1.28rem;
}

.example-sub {
  margin-top: 0.25rem;
  color: var(--ink-muted);
}

.viewer {
  position: relative;
  background: #080a0d;
  overflow: hidden;
}

.viewer canvas {
  display: block;
  width: 100%;
  height: 100%;
}

.error-banner {
  position: absolute;
  left: 1rem;
  right: 1rem;
  bottom: 1rem;
  z-index: 30;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(255, 90, 70, 0.6);
  background: rgba(43, 17, 14, 0.9);
  color: #ffd8cf;
  padding: 0.7rem 0.85rem;
  font-family: var(--mono);
  font-size: 0.84rem;
  white-space: pre-wrap;
  display: none;
}

.example-code {
  border-top: 1px solid var(--line);
  padding: 0.75rem 1rem 1rem;
}

.example-code details > summary {
  cursor: pointer;
  font-weight: 700;
  color: var(--ink-muted);
}

.example-code pre {
  margin-bottom: 0;
}

.footer-note {
  text-align: center;
  color: var(--ink-muted);
  font-size: 0.86rem;
  margin: 0.85rem 0 0.45rem;
}

.footer-note a {
  color: inherit;
  text-decoration: underline;
}

.footer-meta {
  white-space: nowrap;
}

@media (max-width: 980px) {
  .doc-grid {
    grid-template-columns: 1fr;
  }

  .doc-sidebar {
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }
}

@media (max-width: 700px) {
  .site-shell {
    padding: 0.7rem;
  }

  .topbar-inner {
    flex-direction: column;
    align-items: flex-start;
  }

  .topbar-actions {
    width: 100%;
    justify-content: space-between;
  }

  .search-form {
    width: 100%;
  }

  .search-form input {
    width: 100%;
  }

  .doc-main {
    padding: 0.95rem;
  }
}