.mobile-catalog {
  display: none;
}

.reader-layout {
  max-width: var(--content-width);
  min-height: calc(100vh - var(--header-height));
  display: grid;
  grid-template-columns: minmax(14rem, 17rem) minmax(0, 52rem) minmax(12rem, 15rem);
  justify-content: center;
  gap: clamp(1.5rem, 3vw, 3rem);
  margin-inline: auto;
  padding: 2rem var(--page-padding) 7rem;
}

.reader-catalog,
.reader-toc {
  position: sticky;
  top: calc(var(--header-height) + 2rem);
  align-self: start;
  max-height: calc(100vh - var(--header-height) - 4rem);
  overflow-y: auto;
  scrollbar-width: thin;
}

.reader-aside__label {
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--ink);
}

.catalog-group {
  border-bottom: 1px solid var(--divider);
}

.catalog-group summary {
  min-height: 44px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.7rem;
  cursor: pointer;
  font-size: 0.76rem;
  font-weight: 700;
}

.catalog-group ul,
.toc-list {
  margin: 0;
  padding: 0 0 0.8rem;
  list-style: none;
}

.catalog-group a,
.toc-list a {
  display: block;
  padding: 0.35rem 0.45rem;
  color: var(--muted);
  font-size: 0.75rem;
  line-height: 1.35;
  text-decoration: none;
}

.catalog-group a:hover,
.toc-list a:hover {
  color: var(--ink);
  text-decoration: underline;
}

.catalog-group a[aria-current="page"],
.toc-list a[aria-current="location"] {
  background: var(--rail-blue);
  color: var(--surface);
}

.toc-list .toc-depth-3 a {
  padding-inline-start: 1.25rem;
  font-size: 0.7rem;
}

.reader-toc__source {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  margin-top: 1rem;
  font-size: 0.76rem;
  font-weight: 650;
}

.research-document {
  min-width: 0;
  padding: 0 clamp(0rem, 1vw, 1rem);
}

.markdown-body {
  min-width: 0;
}

.markdown-body > :first-child {
  margin-top: 0;
}

.markdown-body h1,
.markdown-body h2,
.markdown-body h3,
.markdown-body h4,
.markdown-body h5,
.markdown-body h6 {
  position: relative;
  color: var(--ink);
  font-family: var(--display);
  font-weight: 700;
  line-height: 1.05;
  text-wrap: balance;
}

.markdown-body h1 {
  max-width: 14ch;
  margin: 0 0 2.5rem;
  font-size: clamp(3rem, 6vw, 5rem);
  letter-spacing: -0.025em;
}

.markdown-body h2 {
  margin: 4.5rem 0 1.2rem;
  padding-top: 0.8rem;
  border-top: 2px solid var(--ink);
  font-size: clamp(2rem, 4vw, 3.2rem);
  letter-spacing: -0.015em;
}

.markdown-body h3 {
  margin: 3rem 0 0.9rem;
  font-size: clamp(1.45rem, 3vw, 2rem);
}

.markdown-body h4 {
  margin: 2.2rem 0 0.7rem;
  font-size: 1.25rem;
}

.markdown-body h5,
.markdown-body h6 {
  margin: 1.8rem 0 0.6rem;
  font-size: 1rem;
}

.heading-anchor {
  position: absolute;
  top: 0;
  right: 100%;
  width: 2rem;
  padding-right: 0.6rem;
  color: var(--divider);
  font-family: var(--body);
  font-size: 0.8rem;
  font-weight: 500;
  text-align: right;
  text-decoration: none;
  opacity: 0;
}

.markdown-body h1:hover .heading-anchor,
.markdown-body h2:hover .heading-anchor,
.markdown-body h3:hover .heading-anchor,
.heading-anchor:focus-visible {
  opacity: 1;
}

.markdown-body p,
.markdown-body ul,
.markdown-body ol,
.markdown-body blockquote,
.markdown-body details {
  max-width: 72ch;
}

.markdown-body p {
  margin: 0 0 1.2rem;
}

.markdown-body li + li {
  margin-top: 0.35rem;
}

.markdown-body ul,
.markdown-body ol {
  margin-block: 1rem 1.5rem;
  padding-inline-start: 1.4rem;
}

.markdown-body a {
  overflow-wrap: anywhere;
  font-weight: 550;
}

.markdown-body strong {
  font-weight: 700;
}

.markdown-body blockquote {
  margin: 2rem 0;
  padding: 0.25rem 0 0.25rem 1.25rem;
  border-left: 1px solid var(--rail-blue);
  color: #3f4a52;
  font-size: 1.04rem;
}

.markdown-body blockquote > :last-child {
  margin-bottom: 0;
}

.markdown-body hr {
  margin: 3rem 0;
  border: 0;
  border-top: 1px solid var(--divider);
}

.markdown-body code {
  padding: 0.12rem 0.3rem;
  background: #e2e8e7;
  color: var(--code-ink);
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  font-size: 0.88em;
}

.markdown-body pre {
  max-width: 100%;
  margin: 1.5rem 0 2rem;
  overflow: auto;
  padding: 1.1rem;
  background: var(--ink);
  color: #eef3f5;
  border: 1px solid var(--ink);
  line-height: 1.5;
  tab-size: 2;
}

.markdown-body pre code {
  padding: 0;
  background: transparent;
  color: inherit;
  font-size: 0.82rem;
}

.markdown-body img {
  max-width: 100%;
  height: auto;
  display: block;
  margin: 1.5rem 0;
  border: 1px solid var(--divider);
}

.markdown-body details {
  margin: 1.5rem 0;
  border-block: 1px solid var(--divider);
}

.markdown-body summary {
  min-height: 44px;
  display: flex;
  align-items: center;
  cursor: pointer;
  font-weight: 700;
}

.markdown-body input[type="checkbox"] {
  width: 1rem;
  height: 1rem;
  margin-right: 0.5rem;
  accent-color: var(--rail-blue);
}

.table-scroll {
  max-width: 100%;
  margin: 1.5rem 0 2.4rem;
  overflow-x: auto;
  background: var(--surface);
  border: 1px solid var(--ink);
  overscroll-behavior-inline: contain;
}

.table-scroll:focus-visible {
  outline-offset: 4px;
}

.markdown-body table {
  width: 100%;
  min-width: 42rem;
  border-collapse: collapse;
  font-size: 0.82rem;
  line-height: 1.45;
}

.markdown-body th,
.markdown-body td {
  padding: 0.7rem 0.8rem;
  border-right: 1px solid var(--divider);
  border-bottom: 1px solid var(--divider);
  text-align: left;
  vertical-align: top;
}

.markdown-body th:last-child,
.markdown-body td:last-child {
  border-right: 0;
}

.markdown-body tr:last-child td {
  border-bottom: 0;
}

.markdown-body th {
  position: sticky;
  top: 0;
  z-index: 1;
  background: var(--table-header);
  color: var(--ink);
  font-size: 0.72rem;
  font-weight: 750;
}

.markdown-body tbody tr:nth-child(even) {
  background: #f8faf9;
}

.markdown-body tbody tr:hover {
  background: #edf3fb;
}

.document-pager {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin-top: 5rem;
  background: var(--ink);
  border: 1px solid var(--ink);
}

.document-pager a,
.document-pager span {
  min-height: 5rem;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 0.25rem;
  padding: 1rem;
  background: var(--surface);
  color: var(--ink);
  text-decoration: none;
}

.document-pager a:hover {
  background: #edf3fb;
}

.document-pager small {
  color: var(--rail-blue);
  font-size: 0.68rem;
  font-weight: 750;
}

.document-pager strong {
  font-size: 0.82rem;
  line-height: 1.35;
}

@media (max-width: 74rem) {
  .reader-layout {
    grid-template-columns: minmax(0, 52rem) minmax(12rem, 15rem);
  }

  .reader-catalog {
    display: none;
  }

  .mobile-catalog {
    display: block;
    border-bottom: 1px solid var(--ink);
  }

  .mobile-catalog > summary {
    min-height: 48px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 var(--page-padding);
    cursor: pointer;
    font-size: 0.8rem;
    font-weight: 700;
  }

  .mobile-catalog__body {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 2rem;
    max-height: 55vh;
    overflow: auto;
    padding: 1rem var(--page-padding) 2rem;
    background: var(--surface);
    border-top: 1px solid var(--divider);
  }
}

@media (max-width: 58rem) {
  .reader-layout {
    grid-template-columns: minmax(0, 1fr);
    padding-top: 1rem;
  }

  .reader-toc {
    display: none;
  }

  .research-document {
    padding: 0;
  }

  .heading-anchor {
    position: static;
    display: inline-block;
    width: auto;
    margin-left: 0.4rem;
    padding: 0.2rem;
    opacity: 1;
  }
}

@media (max-width: 42rem) {
  .mobile-catalog__body {
    grid-template-columns: 1fr;
  }

  .markdown-body h1 {
    max-width: 12ch;
    font-size: clamp(2.8rem, 14vw, 4.2rem);
  }

  .markdown-body h2 {
    font-size: clamp(2rem, 10vw, 2.8rem);
  }

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

@media print {
  .research-header,
  .mobile-catalog,
  .reader-catalog,
  .reader-toc,
  .document-pager,
  .research-footer,
  .heading-anchor {
    display: none;
  }

  body {
    background: #fff;
    color: var(--print-ink);
    font-size: 10pt;
  }

  .reader-layout {
    display: block;
    max-width: none;
    padding: 0;
  }

  .research-document {
    padding: 0;
  }

  .document-route {
    margin-bottom: 1rem;
  }

  .markdown-body h1 {
    font-size: 32pt;
  }

  .markdown-body h2 {
    break-after: avoid;
    font-size: 22pt;
  }

  .table-scroll {
    overflow: visible;
    break-inside: avoid;
  }

  .markdown-body table {
    min-width: 0;
    font-size: 7pt;
  }

  .markdown-body a {
    color: var(--print-ink);
  }
}