.shell {
  display: grid;
  grid-template-columns: 232px minmax(0, 1fr) 182px;
  gap: 0 34px;
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 clamp(20px, 4vw, 32px);
  align-items: start;
}

/* --- sidebar --- */
.side {
  position: sticky;
  top: var(--top);
  max-height: calc(100vh - var(--top));
  overflow-y: auto;
  padding: 34px 0 60px;
  border-right: 1px solid var(--rule);
  margin-right: -20px;
  padding-right: 20px;
  scrollbar-width: thin;
}

.grp {
  margin-bottom: 26px;
}

.grp-label {
  font: 400 11px/1 var(--mono);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
  padding: 0 0 10px 10px;
}

/* Links hang off a hairline rule, like the one the home page runs down its
   margin. The current page turns that rule accent; nothing is a pill. */
.side a {
  display: block;
  padding: 6px 0 6px 14px;
  margin-left: 10px;
  font-size: 14.5px;
  color: var(--text);
  text-decoration: none;
  border-left: 1px solid var(--hair);
}

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

.side a[aria-current="page"] {
  color: var(--accent);
  border-left: 2px solid var(--accent);
  padding-left: 13px;
  font-weight: 500;
}

.side-llms {
  display: flex !important;
  justify-content: space-between;
  align-items: baseline;
  gap: 10px;
  margin: 8px 0 0;
  border-left: 0 !important;
  border-top: 1px solid var(--hair);
  padding: 16px 0 0 10px !important;
  color: var(--muted) !important;
}

.side-llms code {
  font-size: 11.5px;
}

/* --- the bar that opens the menu and the contents on a phone --- */
.subbar {
  display: none;
  gap: 10px;
  padding: 14px 0;
  border-bottom: 1px solid var(--rule);
  position: sticky;
  top: var(--top);
  z-index: 8;
  background: color-mix(in srgb, var(--bg) 92%, transparent);
  backdrop-filter: blur(8px);
}

.pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  border: 1px solid var(--rule);
  border-radius: 7px;
  padding: 8px 12px;
  font: 400 13px/1 var(--mono);
  color: var(--text);
}

.pill svg {
  width: 15px;
  height: 15px;
}

.pill[aria-expanded="true"] {
  color: var(--accent);
  border-color: var(--accent);
}

.menu-close,
.pill[aria-expanded="true"] .menu-open {
  display: none;
}

.pill[aria-expanded="true"] .menu-close {
  display: block;
}

/* --- the page --- */
.doc {
  padding: 34px 0 72px;
  min-width: 0;
}

.doc-head {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 14px;
}

.crumbs {
  display: flex;
  gap: 8px;
  align-items: center;
  font: 400 12px/1 var(--mono);
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.crumbs a {
  text-decoration: none;
}

.crumbs a:hover {
  color: var(--ink);
}

.crumbs b {
  color: var(--ink);
  font-weight: 400;
}

.copy-page {
  margin-left: auto;
  display: inline-flex;
  align-items: center;
  gap: 7px;
  border: 1px solid var(--rule);
  border-radius: 7px;
  padding: 6px 10px;
  font: 400 12px/1 var(--mono);
  color: var(--muted);
  text-decoration: none;
}

.copy-page:hover {
  color: var(--accent);
  border-color: var(--accent);
}

.copy-page svg {
  width: 14px;
  height: 14px;
}

.doc > h1 {
  font: 600 clamp(32px, 4.4vw, 42px)/1.08 var(--sans);
  letter-spacing: -0.038em;
  color: var(--ink);
  margin-bottom: 10px;
  text-wrap: balance;
}

.doc > .summary {
  font-size: 17.5px;
  color: var(--muted);
  max-width: 68ch;
  margin-bottom: 34px;
  padding-bottom: 26px;
  border-bottom: 1px solid var(--rule);
}

/* --- previous and next --- */
.pager {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
  margin-top: 56px;
}

.pager .card {
  display: grid;
  gap: 5px;
  border: 1px solid var(--rule);
  border-radius: 9px;
  padding: 14px 16px;
  text-decoration: none;
  background: var(--panel);
}

.pager .card:hover {
  border-color: var(--accent);
}

.pager .card.next {
  grid-column: 2;
  text-align: right;
}

.pager small {
  font: 400 11.5px/1 var(--mono);
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: var(--muted);
}

.pager b {
  font-weight: 500;
  font-size: 15.5px;
  color: var(--ink);
}

.edit {
  display: flex;
  gap: 18px;
  flex-wrap: wrap;
  align-items: center;
  margin-top: 32px;
  padding-top: 20px;
  border-top: 1px solid var(--hair);
  font: 400 12.5px/1.5 var(--mono);
  color: var(--muted);
}

.edit a {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  text-decoration: none;
}

.edit a:hover {
  color: var(--accent);
}

.edit svg {
  width: 14px;
  height: 14px;
}

.edit span {
  margin-left: auto;
}

/* --- on this page --- */
.toc {
  position: sticky;
  top: var(--top);
  max-height: calc(100vh - var(--top));
  overflow-y: auto;
  padding: 34px 0 60px;
  scrollbar-width: thin;
}

.toc-label {
  font: 400 11px/1 var(--mono);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 12px;
}

.toc a {
  display: block;
  padding: 5px 0 5px 12px;
  border-left: 2px solid var(--hair);
  font-size: 13.5px;
  color: var(--muted);
  text-decoration: none;
}

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

.toc a[aria-current] {
  color: var(--accent);
  border-left-color: var(--accent);
}

@media (max-width: 1220px) {
  .shell {
    grid-template-columns: 232px minmax(0, 1fr);
  }

  .toc {
    display: none;
  }
}

@media (max-width: 900px) {
  .shell {
    grid-template-columns: 1fr;
    gap: 0;
  }

  .subbar {
    display: flex;
  }

  .side {
    display: none;
    position: static;
    max-height: none;
    border-right: 0;
    margin-right: 0;
    padding: 20px 0 10px;
    border-bottom: 1px solid var(--rule);
  }

  .side.open {
    display: block;
  }

  .doc {
    padding-top: 26px;
  }

  .pager {
    grid-template-columns: 1fr;
  }

  .pager .card.next {
    grid-column: 1;
  }
}