/* Docs layout — sidebar + prose + on-page TOC. Loaded after styles.css. */

.docs {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
  align-items: start;
}

@media (min-width: 900px) {
  .docs {
    grid-template-columns: 16rem minmax(0, 1fr);
    gap: 3rem;
  }
}

@media (min-width: 1200px) {
  .docs {
    grid-template-columns: 16rem minmax(0, 1fr) 14rem;
  }
}

/* Sidebar */
.docs-nav {
  position: sticky;
  top: 5rem;
  align-self: start;
  max-height: calc(100vh - 6rem);
  overflow-y: auto;
  padding-block: 2.5rem 1rem;
}

.docs-nav h4 {
  font-family: var(--mono);
  font-size: 0.6875rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--faint);
  margin: 1.4rem 0 0.5rem;
  font-weight: 500;
}

.docs-nav h4:first-child {
  margin-top: 0;
}

.docs-nav ul {
  list-style: none;
  margin: 0 0 0.5rem;
  padding: 0;
  display: grid;
  gap: 0.1rem;
}

.docs-nav a {
  display: block;
  padding: 0.4rem 0.7rem;
  border-radius: var(--r-1);
  color: var(--muted);
  font-size: 0.9375rem;
  border-left: 2px solid transparent;
}

.docs-nav a:hover {
  color: var(--ink);
  background: var(--surface);
  text-decoration: none;
}

.docs-nav a[aria-current="page"] {
  color: var(--ink);
  background: var(--surface);
  border-left-color: var(--accent);
}

/* Mobile: collapsible sidebar */
.docs-nav__toggle {
  display: none;
}

@media (max-width: 899px) {
  .docs-nav {
    position: static;
    max-height: none;
    overflow: visible;
    padding-block: 1.25rem;
    border-bottom: 1px solid var(--line);
  }

  .docs-nav__toggle {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: var(--r-1);
    color: var(--ink);
    font: inherit;
    font-size: 0.9375rem;
    font-weight: 560;
    padding: 0.65rem 0.9rem;
    cursor: pointer;
  }

  .docs-nav__toggle svg {
    width: 1.1rem;
    height: 1.1rem;
    color: var(--muted);
  }

  .docs-nav__lists {
    display: none;
    padding-top: 0.75rem;
  }

  .docs-nav__lists[data-open="true"] {
    display: block;
  }
}

/* Content column */
.docs-main {
  min-width: 0;
  padding-block: 2.5rem 4rem;
}

.docs-breadcrumb {
  font-family: var(--mono);
  font-size: 0.75rem;
  letter-spacing: 0.06em;
  color: var(--faint);
  margin-bottom: 1rem;
}

.docs-breadcrumb a {
  color: var(--muted);
}

.prose {
  max-width: var(--readw);
}

.prose h1 {
  font-size: clamp(1.9rem, 4vw, 2.4rem);
  margin-bottom: 0.75rem;
}

.prose > .lead {
  font-size: 1.125rem;
  color: var(--ink-dim);
  margin-bottom: 2rem;
}

.prose h2 {
  font-size: 1.375rem;
  margin: 2.75rem 0 0.9rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--line);
  scroll-margin-top: 5rem;
}

.prose h3 {
  font-size: 1.0625rem;
  margin: 1.75rem 0 0.6rem;
  scroll-margin-top: 5rem;
}

.prose p,
.prose ul,
.prose ol {
  margin: 0 0 1rem;
  color: var(--ink-dim);
}

.prose ul,
.prose ol {
  padding-left: 1.25rem;
}

.prose li {
  margin-bottom: 0.4rem;
}

.prose li::marker {
  color: var(--faint);
}

.prose strong {
  color: var(--ink);
  font-weight: 620;
}

.prose code {
  font-family: var(--mono);
  font-size: 0.85em;
  background: var(--surface-2);
  border: 1px solid var(--line);
  border-radius: 5px;
  padding: 0.1rem 0.35rem;
  color: var(--ink);
}

.prose pre {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--r-2);
  padding: 1rem 1.1rem;
  overflow-x: auto;
  margin: 0 0 1.25rem;
  font-family: var(--mono);
  font-size: 0.85rem;
  line-height: 1.7;
  color: var(--ink-dim);
}

.prose pre code {
  background: none;
  border: 0;
  padding: 0;
  font-size: inherit;
  color: inherit;
}

.callout {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0.75rem;
  background: var(--surface);
  border: 1px solid var(--line);
  border-left: 3px solid var(--accent);
  border-radius: var(--r-1);
  padding: 1rem 1.1rem;
  margin: 0 0 1.5rem;
  color: var(--ink-dim);
  font-size: 0.9375rem;
}

.callout svg {
  width: 1.15rem;
  height: 1.15rem;
  color: var(--accent);
  margin-top: 0.15rem;
}

.callout p {
  margin: 0;
}

/* Reference tables */
.table-scroll {
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: var(--r-2);
  margin: 0 0 1.5rem;
}

table.ref {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
  min-width: 34rem;
}

table.ref th,
table.ref td {
  text-align: left;
  padding: 0.7rem 0.9rem;
  border-bottom: 1px solid var(--line);
  vertical-align: top;
}

table.ref thead th {
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--faint);
  font-weight: 500;
  background: var(--bg-2);
}

table.ref tbody tr:last-child td {
  border-bottom: 0;
}

table.ref td code {
  font-family: var(--mono);
  font-size: 0.82em;
  color: var(--ink);
}

table.ref .b {
  color: var(--ink);
  font-weight: 560;
}

/* Prev / next */
.docs-pager {
  display: grid;
  gap: 1rem;
  grid-template-columns: 1fr;
  margin-top: 3rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--line);
}

@media (min-width: 560px) {
  .docs-pager {
    grid-template-columns: 1fr 1fr;
  }
}

.docs-pager a {
  border: 1px solid var(--line);
  border-radius: var(--r-2);
  padding: 0.9rem 1.1rem;
  color: var(--ink);
  transition: border-color 0.16s ease;
}

.docs-pager a:hover {
  text-decoration: none;
  border-color: var(--line-2);
}

.docs-pager span {
  display: block;
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--faint);
  margin-bottom: 0.25rem;
}

.docs-pager .next {
  text-align: right;
}

/* On this page (right rail) */
.docs-toc {
  display: none;
}

@media (min-width: 1200px) {
  .docs-toc {
    display: block;
    position: sticky;
    top: 5rem;
    align-self: start;
    padding-block: 2.5rem 1rem;
  }

  .docs-toc h4 {
    font-family: var(--mono);
    font-size: 0.6875rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--faint);
    margin: 0 0 0.75rem;
    font-weight: 500;
  }

  .docs-toc ul {
    list-style: none;
    margin: 0;
    padding: 0;
    display: grid;
    gap: 0.3rem;
    border-left: 1px solid var(--line);
  }

  .docs-toc a {
    display: block;
    padding: 0.15rem 0.9rem;
    margin-left: -1px;
    border-left: 2px solid transparent;
    color: var(--muted);
    font-size: 0.85rem;
  }

  .docs-toc a:hover {
    color: var(--ink);
    text-decoration: none;
  }

  .docs-toc a[aria-current="true"] {
    color: var(--ink);
    border-left-color: var(--accent);
  }
}