/* Docs layout: fixed sidebar, prose column, on-page nav. Inherits tokens from style.css. */

:root {
  --sidebar: 268px;
  --toc: 210px;
}

.docs-shell {
  display: grid;
  grid-template-columns: var(--sidebar) minmax(0, 1fr) var(--toc);
  gap: 56px;
  max-width: 1500px;
  margin: 0 auto;
  padding: 0 var(--pad);
  align-items: start;
}

/* ---------------------------------------------------------------- sidebar */
.side {
  position: sticky;
  top: 84px;
  max-height: calc(100vh - 108px);
  overflow-y: auto;
  padding: 40px 0 60px;
  font-size: 15px;
}

.side-group {
  margin-bottom: 26px;
}

.side-group h4 {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 10px;
}

.side-group a {
  display: block;
  padding: 6px 12px;
  margin-left: -12px;
  border-radius: 8px;
  color: rgba(10, 10, 10, 0.72);
  line-height: 1.35;
  transition: background 0.15s, color 0.15s;
}

.side-group a:hover {
  background: var(--shade);
  color: var(--ink);
}

.side-group a.on {
  background: var(--ink);
  color: #fff;
  font-weight: 500;
}

/* ---------------------------------------------------------------- article */
.doc {
  padding: 40px 0 120px;
  min-width: 0;
}

.doc .crumb {
  font-size: 13px;
  color: var(--muted);
  margin-bottom: 14px;
  letter-spacing: 0.02em;
}

.doc h1 {
  font-size: clamp(34px, 4.2vw, 52px);
  line-height: 1.04;
  letter-spacing: -0.032em;
  font-weight: 400;
  margin-bottom: 18px;
}

.doc .subtitle {
  font-size: 19px;
  line-height: 1.5;
  color: var(--muted);
  margin-bottom: 44px;
  max-width: 640px;
}

.doc h2 {
  font-size: 27px;
  line-height: 1.15;
  letter-spacing: -0.022em;
  font-weight: 500;
  margin: 56px 0 16px;
  scroll-margin-top: 90px;
}

.doc h3 {
  font-size: 20px;
  line-height: 1.2;
  letter-spacing: -0.014em;
  font-weight: 500;
  margin: 34px 0 12px;
  scroll-margin-top: 90px;
}

.doc p {
  font-size: 17px;
  line-height: 1.62;
  margin-bottom: 18px;
  max-width: 720px;
}

.doc ul,
.doc ol {
  margin: 0 0 20px 22px;
  max-width: 700px;
}

.doc ul {
  list-style: disc;
}

.doc ol {
  list-style: decimal;
}

.doc li {
  font-size: 17px;
  line-height: 1.6;
  margin-bottom: 9px;
  padding-left: 4px;
}

.doc a:not(.btn) {
  color: var(--ink);
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-color: rgba(10, 10, 10, 0.3);
}

.doc a:not(.btn):hover {
  text-decoration-color: var(--ink);
}

.doc strong {
  font-weight: 600;
}

.doc code {
  font-family: ui-monospace, "SF Mono", Menlo, monospace;
  font-size: 0.88em;
  background: var(--shade);
  border: 1px solid var(--rule);
  border-radius: 5px;
  padding: 1px 5px;
}

.doc pre {
  background: var(--ink);
  color: #f2f2ef;
  border-radius: 13px;
  padding: 20px 22px;
  overflow-x: auto;
  margin: 0 0 22px;
  max-width: 760px;
  line-height: 1.55;
}

.doc pre code {
  background: none;
  border: 0;
  padding: 0;
  font-size: 13.5px;
  color: inherit;
}

.doc table {
  width: 100%;
  max-width: 760px;
  border-collapse: collapse;
  margin: 0 0 24px;
  font-size: 15px;
}

.doc th {
  text-align: left;
  font-weight: 600;
  color: var(--ink);
  padding: 10px 14px;
  border-bottom: 1px solid var(--rule);
  font-size: 14px;
}

.doc td {
  padding: 12px 14px;
  border-bottom: 1px solid var(--rule);
  vertical-align: top;
  line-height: 1.5;
}

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

.doc blockquote {
  border-left: 3px solid var(--mint);
  background: var(--shade);
  border-radius: 0 10px 10px 0;
  padding: 16px 20px;
  margin: 0 0 22px;
  max-width: 720px;
}

.doc blockquote p:last-child {
  margin-bottom: 0;
}

.doc hr {
  border: 0;
  border-top: 1px solid var(--rule);
  margin: 48px 0;
  max-width: 760px;
}

/* callouts */
.note {
  border: 1px solid var(--rule);
  border-radius: 12px;
  padding: 16px 20px;
  margin: 0 0 22px;
  max-width: 720px;
  background: var(--shade);
}

.note.warn {
  border-color: rgba(190, 120, 20, 0.32);
  background: rgba(240, 190, 90, 0.12);
}

.note .tag {
  display: block;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 6px;
}

.note p:last-child {
  margin-bottom: 0;
}

/* prev / next */
.pager {
  display: flex;
  gap: 14px;
  margin-top: 64px;
  max-width: 760px;
}

.pager a {
  flex: 1;
  border: 1px solid var(--rule);
  border-radius: 13px;
  padding: 16px 20px;
  text-decoration: none !important;
  transition: background 0.15s;
}

.pager a:hover {
  background: var(--shade);
}

.pager .dir {
  display: block;
  font-size: 12px;
  color: var(--muted);
  margin-bottom: 4px;
}

.pager .ttl {
  font-size: 16px;
  font-weight: 500;
}

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

/* ---------------------------------------------------------------- toc */
.toc {
  position: sticky;
  top: 84px;
  padding: 44px 0 60px;
  font-size: 14px;
  max-height: calc(100vh - 108px);
  overflow-y: auto;
}

.toc h4 {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 12px;
}

.toc a {
  display: block;
  padding: 5px 0 5px 12px;
  border-left: 2px solid var(--rule);
  color: var(--muted);
  line-height: 1.35;
  transition: color 0.15s, border-color 0.15s;
}

.toc a:hover {
  color: var(--ink);
  border-left-color: var(--ink);
}

.toc a.sub {
  padding-left: 24px;
  font-size: 13px;
}

/* ---------------------------------------------------------------- index cards */
.doc-cards {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin: 36px 0 0;
  max-width: 760px;
}

.doc-card {
  border: 1px solid var(--rule);
  border-radius: 15px;
  padding: 24px;
  text-decoration: none !important;
  transition: background 0.15s;
}

.doc-card:hover {
  background: var(--shade);
}

.doc-card h3 {
  margin: 0 0 6px;
  font-size: 18px;
}

.doc-card p {
  margin: 0;
  font-size: 15px;
  color: var(--muted);
  line-height: 1.5;
}

/* ---------------------------------------------------------------- responsive */
@media (max-width: 1240px) {
  .docs-shell {
    grid-template-columns: 240px minmax(0, 1fr);
    gap: 40px;
  }
  .toc {
    display: none;
  }
}

@media (max-width: 900px) {
  .docs-shell {
    grid-template-columns: minmax(0, 1fr);
  }
  .side {
    position: static;
    max-height: none;
    padding: 24px 0 0;
    border-bottom: 1px solid var(--rule);
    padding-bottom: 24px;
  }
  .doc {
    padding-top: 28px;
  }
  .doc-cards {
    grid-template-columns: 1fr;
  }
  .pager {
    flex-direction: column;
  }
  .pager .next {
    text-align: left;
  }
}