:root {
  color-scheme: dark light;
  font-family:
    system-ui,
    -apple-system,
    sans-serif;
}

body {
  max-width: 1280px;
  margin: 2rem auto;
  padding: 0 1rem 4rem;
  line-height: 1.6;
}

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

h2 {
  margin-top: 2.5rem;
  padding-top: 0.5rem;
  border-top: 1px solid #8886;
}

code {
  font-family: ui-monospace, monospace;
  background: #8882;
  padding: 0.1rem 0.3rem;
  border-radius: 4px;
  font-size: 0.9em;
}

pre {
  background: #8882;
  padding: 1rem;
  border-radius: 8px;
  overflow-x: auto;
}

pre code {
  background: none;
  padding: 0;
}

table {
  display: block;
  overflow-x: auto;
  border-collapse: collapse;
  width: 100%;
  margin: 1rem 0;
}

.nowrap-code code {
  white-space: nowrap;
}

th,
td {
  text-align: left;
  padding: 0.4rem 0.6rem;
  border-bottom: 1px solid #8884;
  vertical-align: top;
}

th {
  font-size: 0.85em;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  opacity: 0.7;
}

.docs-nav {
  display: flex;
  gap: 0.5rem;
  flex-wrap: nowrap;
  overflow-x: auto;
  overscroll-behavior-x: contain;
  scroll-padding-inline: 0.5rem;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
  margin-bottom: 1.5rem;
  padding-bottom: 0.5rem;
}

.docs-nav a {
  flex-shrink: 0;
  text-decoration: none;
  padding: 0.4rem 0.8rem;
  border: 1px solid #8886;
  border-radius: 6px;
  color: inherit;
}

.docs-nav a[aria-current='page'] {
  background: #4da3ff22;
  border-color: #4da3ff;
}

.toc {
  margin: 1.5rem 0;
  border: 1px solid #8886;
  border-radius: 8px;
  padding: 0 1rem;
}

.toc summary {
  cursor: pointer;
  font-weight: 600;
  padding: 0.75rem 0;
}

.toc[open] summary {
  border-bottom: 1px solid #8886;
  margin-bottom: 0.75rem;
}

.toc ul {
  list-style: none;
  margin: 0;
  padding: 0 0 0.75rem;
  columns: 200px;
  column-gap: 1.5rem;
}

.toc li {
  break-inside: avoid;
  margin: 0.3rem 0;
}

.toc li > ul {
  columns: initial;
  margin: 0.3rem 0 0.3rem 1.1rem;
  padding: 0;
}

.toc a {
  text-decoration: none;
  color: inherit;
  opacity: 0.8;
}

.toc a:hover {
  opacity: 1;
  text-decoration: underline;
}

.guide-list {
  display: grid;
  gap: 0.75rem;
  padding: 0;
  list-style: none;
}

.guide-list li {
  border: 1px solid #8886;
  border-radius: 8px;
  padding: 1rem 1.25rem;
}

.guide-list a {
  font-weight: 600;
  text-decoration: none;
}

.guide-list p {
  margin: 0.35rem 0 0;
  opacity: 0.85;
}

blockquote {
  margin: 1rem 0;
  padding: 0.5rem 1rem;
  border-left: 3px solid #4da3ff;
  background: #4da3ff11;
}

footer {
  display: flex;
  align-items: baseline;
  gap: 1rem;
  flex-wrap: wrap;
  margin-top: 3rem;
  padding-top: 1rem;
  border-top: 1px solid #8886;
  opacity: 0.7;
  font-size: 0.9em;
}

.docs-version {
  margin-left: auto;
  white-space: nowrap;
  font-family: ui-monospace, monospace;
}

.scroll-top-btn {
  position: fixed;
  right: 1.25rem;
  bottom: 1.25rem;
  z-index: 20;
  display: flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.5rem 0.9rem;
  border: 1px solid #4da3ff;
  border-radius: 999px;
  background: #4da3ff22;
  color: inherit;
  font: inherit;
  font-size: 0.85em;
  cursor: pointer;
  opacity: 0;
  transform: translateY(0.5rem);
  pointer-events: none;
  transition:
    opacity 0.15s ease,
    transform 0.15s ease;
}

.scroll-top-btn.is-visible {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}

@media (prefers-reduced-motion: reduce) {
  .scroll-top-btn {
    transition: none;
  }
}