:root {
  --af-ink: #1d2937;
  --af-muted: #5b6877;
  --af-rule: #d9e0e7;
  --af-blue: #245b8f;
  --af-blue-dark: #173f68;
  --af-code-bg: #f5f7f9;
  --af-table-head: #eef2f5;
  --md-text-font: -apple-system, BlinkMacSystemFont, "Segoe UI", Arial, sans-serif;
  --md-code-font: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
}

[data-md-color-scheme="default"] {
  --md-primary-fg-color: #ffffff;
  --md-primary-bg-color: var(--af-ink);
  --md-accent-fg-color: var(--af-blue);
  --md-default-fg-color: var(--af-ink);
  --md-typeset-a-color: var(--af-blue);
}

[data-md-color-scheme="slate"] {
  --af-ink: #e6ebf0;
  --af-muted: #abb7c4;
  --af-rule: #3a4653;
  --af-blue: #79b6eb;
  --af-blue-dark: #a8d1f4;
  --af-code-bg: #202a35;
  --af-table-head: #26323e;
  --md-primary-fg-color: #17212b;
  --md-primary-bg-color: #f2f5f8;
  --md-accent-fg-color: #79b6eb;
  --md-typeset-a-color: #79b6eb;
}

/* A reference-manual frame: quiet header, persistent navigation, readable text. */
.md-header {
  border-bottom: 1px solid var(--af-rule);
  box-shadow: none;
}

[data-md-color-scheme="default"] .md-header {
  color: var(--af-ink);
}

.md-header__button.md-logo img,
.md-header__button.md-logo svg {
  height: 1.7rem;
  width: auto;
}

.md-header__topic:first-child {
  font-weight: 650;
  letter-spacing: -0.01em;
}

[data-md-color-scheme="default"] .md-search__form {
  background-color: #f1f4f6;
  border: 1px solid #d5dde4;
}

[data-md-color-scheme="default"] .md-search__input::placeholder {
  color: #617080;
}

.md-grid {
  max-width: 91rem;
}

.md-main__inner {
  margin-top: 0;
}

.md-sidebar {
  padding-top: 1.25rem;
}

.md-sidebar--primary {
  border-right: 1px solid var(--af-rule);
}

.md-sidebar--secondary {
  border-left: 1px solid var(--af-rule);
}

.md-sidebar__scrollwrap {
  scrollbar-color: transparent transparent;
  scrollbar-width: thin;
}

.md-sidebar__scrollwrap:hover {
  scrollbar-color: #bcc6d0 transparent;
}

.md-sidebar__scrollwrap::-webkit-scrollbar {
  width: 0.3rem;
}

.md-sidebar__scrollwrap::-webkit-scrollbar-thumb {
  background: transparent;
  border-radius: 0.2rem;
}

.md-sidebar__scrollwrap:hover::-webkit-scrollbar-thumb {
  background: #bcc6d0;
}

.md-nav {
  font-size: 0.72rem;
  line-height: 1.45;
}

.md-nav__title {
  font-weight: 650;
}

.md-nav__link[tabindex="0"] {
  font-weight: 650;
}

.md-nav__item .md-nav__link--active {
  background: linear-gradient(
    90deg,
    color-mix(in srgb, var(--af-blue) 9%, transparent),
    transparent 88%
  );
  border-radius: 0.12rem;
  box-shadow: inset 0.12rem 0 var(--af-blue);
  color: var(--af-blue);
  font-weight: inherit;
}

/* Replace the browser's select-like focus ring on expandable navigation rows. */
.md-nav__link[tabindex="0"]:focus {
  background: color-mix(in srgb, var(--af-blue) 7%, transparent);
  border-radius: 0.12rem;
  box-shadow: inset 0.15rem 0 var(--af-blue);
  outline: none;
}

.md-nav__toggle:checked + .md-nav__link[tabindex="0"] {
  color: var(--af-blue-dark);
  font-weight: 650;
}

.md-content__inner {
  margin: 0 auto;
  max-width: 54rem;
  padding-top: 2rem;
}

.md-content__inner::before {
  height: 0;
}

.af-home-lead {
  align-items: center;
  display: grid;
  gap: 1.5rem;
  grid-template-columns: 7.5rem minmax(0, 1fr);
  margin: 0 0 1rem;
  padding: 0 0 1.35rem;
}

.af-home-logo {
  display: block;
  height: auto;
  width: 7.5rem;
}

.md-typeset .af-home-lead__copy h1 {
  margin-bottom: 0.45rem;
}

.md-typeset .af-home-lead__copy p {
  color: var(--af-muted);
  font-size: 0.9rem;
  line-height: 1.65;
  margin: 0;
  max-width: 42rem;
}

.md-typeset {
  color: var(--af-ink);
  font-size: 0.84rem;
  line-height: 1.72;
}

.md-typeset h1 {
  color: var(--af-ink);
  font-size: 2rem;
  font-weight: 650;
  letter-spacing: -0.025em;
  line-height: 1.2;
  margin: 0 0 1rem;
}

.md-typeset h2 {
  border-bottom: 1px solid var(--af-rule);
  color: var(--af-ink);
  font-size: 1.35rem;
  font-weight: 650;
  letter-spacing: -0.012em;
  margin-top: 2.5rem;
  padding-bottom: 0.35rem;
}

.md-typeset h3 {
  color: var(--af-ink);
  font-size: 1.05rem;
  font-weight: 650;
  margin-top: 1.9rem;
}

.md-typeset [id] {
  scroll-margin-top: 4rem;
}

.md-typeset p,
.md-typeset li {
  max-width: 48rem;
}

.md-typeset a {
  text-decoration-thickness: 0.06em;
  text-underline-offset: 0.13em;
}

.md-typeset a:hover {
  text-decoration: underline;
}

.md-typeset code {
  border-radius: 0.16rem;
  font-size: 0.82em;
}

.md-typeset pre > code {
  font-size: 0.76rem;
  line-height: 1.55;
}

.md-typeset .highlight,
.md-typeset pre {
  background: var(--af-code-bg);
  border: 1px solid var(--af-rule);
  border-radius: 0.2rem;
  box-shadow: none;
}

.md-typeset table:not([class]) {
  border: 1px solid var(--af-rule);
  border-collapse: collapse;
  box-shadow: none;
  display: table;
  font-size: 0.76rem;
  width: 100%;
}

.md-typeset table:not([class]) th {
  background: var(--af-table-head);
  color: var(--af-ink);
  font-weight: 650;
}

.md-typeset table:not([class]) td,
.md-typeset table:not([class]) th {
  border-right: 1px solid var(--af-rule);
  border-top: 1px solid var(--af-rule);
  padding: 0.65rem 0.75rem;
  vertical-align: top;
}

.md-typeset blockquote {
  border-left-color: #8aa3ba;
  color: var(--af-muted);
}

.md-typeset .admonition,
.md-typeset details {
  border: 1px solid var(--af-rule);
  border-radius: 0.2rem;
  box-shadow: none;
}

.md-typeset hr {
  border-bottom-color: var(--af-rule);
}

/* Keep page navigation with the article instead of covering the sidebars. */
.md-footer {
  background: transparent;
  border: 0;
  color: var(--af-muted);
  margin-top: 2rem;
  pointer-events: none;
}

.md-footer__inner,
.md-footer-meta__inner {
  box-sizing: border-box;
  margin-left: auto;
  margin-right: auto;
  max-width: 54rem;
  pointer-events: auto;
  width: calc(100% - 2rem);
}

.md-footer__inner {
  background: var(--af-table-head);
  border: 1px solid var(--af-rule);
  border-radius: 0.25rem 0.25rem 0 0;
  min-height: 0;
  padding: 0.4rem 0.8rem;
}

.md-footer__link {
  margin: 0;
  padding: 0.15rem 0;
}

.md-footer__direction {
  color: var(--af-muted);
  font-size: 0.58rem;
  margin-bottom: 0.08rem;
}

.md-footer__title {
  color: var(--af-ink);
  font-size: 0.78rem;
  line-height: 1.25;
}

.md-footer-meta {
  background: transparent;
}

.md-footer-meta__inner {
  background: var(--af-code-bg);
  border: 1px solid var(--af-rule);
  border-radius: 0 0 0.25rem 0.25rem;
  border-top: 0;
  min-height: 0;
  padding: 0.3rem 0.8rem;
}

.md-copyright,
.md-copyright__highlight {
  color: var(--af-muted);
  font-size: 0.62rem;
  margin: 0;
  padding: 0;
}

.md-social {
  padding: 0;
}

.md-footer-meta.md-typeset .md-social__link {
  color: var(--af-muted);
  height: 1.4rem;
  width: 1.4rem;
}

.md-footer-meta.md-typeset .md-social__link svg {
  fill: currentColor;
  max-height: 0.85rem;
}

.af-project-meta {
  border-bottom: 1px solid var(--af-rule);
  border-top: 1px solid var(--af-rule);
  color: var(--af-muted);
  font-size: 0.75rem;
  margin: 0 0 1.6rem;
  padding: 0.55rem 0;
}

.af-project-meta a {
  margin-right: 0.8rem;
}

.af-attribution {
  border-top: 1px solid var(--af-rule);
  color: var(--af-muted);
  font-size: 0.75rem;
  margin-top: 3rem;
  padding-top: 0.8rem;
}

.af-status {
  border: 1px solid currentColor;
  border-radius: 0.15rem;
  display: inline-block;
  font-size: 0.62rem;
  font-weight: 650;
  letter-spacing: 0.04em;
  margin-right: 0.35rem;
  padding: 0.08rem 0.35rem;
  text-transform: uppercase;
}

.af-status--release { color: #267046; }
.af-status--engineering { color: #2b6295; }
.af-status--experimental { color: #95631c; }

/* Math is part of the manual, not a screenshot or decoration. */
.arithmatex {
  overflow-x: auto;
}

mjx-container[jax="CHTML"][display="true"] {
  margin: 1.35rem 0 !important;
  overflow-x: auto;
  overflow-y: hidden;
  padding: 0.15rem 0;
}

@media screen and (max-width: 76.234375em) {
  .md-nav--primary .md-nav__title[for="__drawer"] {
    background: var(--md-primary-fg-color);
    color: var(--md-primary-bg-color);
  }

  .md-sidebar--primary,
  .md-sidebar--secondary {
    border: 0;
  }
}

@media screen and (min-width: 76.25em) {
  /* Desktop navigation grammar: chapter label -> expandable group -> page. */
  .md-nav--primary > .md-nav__title {
    display: none;
  }

  .md-nav--primary > .md-nav__list > .md-nav__item--section {
    margin-top: 1.2rem;
  }

  .md-nav--primary > .md-nav__list > .md-nav__item--section:first-child {
    margin-top: 0;
  }

  .md-nav--primary > .md-nav__list > .md-nav__item--section > .md-nav__link {
    color: var(--af-muted);
    font-size: 0.65rem;
    font-weight: 650;
    letter-spacing: 0.045em;
    text-transform: uppercase;
  }

  .md-footer__inner,
  .md-footer-meta__inner {
    width: min(54rem, calc(100% - 25rem));
  }
}

@media screen and (max-width: 48rem) {
  .af-home-lead {
    gap: 1rem;
    grid-template-columns: 5.25rem minmax(0, 1fr);
    padding-bottom: 1rem;
  }

  .af-home-logo {
    width: 5.25rem;
  }

  .md-typeset .af-home-lead__copy p {
    font-size: 0.8rem;
  }

  .md-content__inner {
    margin-left: 0.8rem;
    margin-right: 0.8rem;
    padding-top: 1.3rem;
  }

  .md-typeset {
    font-size: 0.8rem;
  }

  .md-typeset h1 {
    font-size: 1.7rem;
  }

  .md-typeset h2 {
    font-size: 1.2rem;
  }

  .md-typeset table:not([class]) {
    display: block;
    overflow-x: auto;
  }
}

@media screen and (max-width: 36rem) {
  .af-home-lead {
    gap: 0.55rem;
    grid-template-columns: minmax(0, 1fr);
  }

  .af-home-logo {
    width: 5.75rem;
  }
}

@media print {
  .md-header,
  .md-sidebar,
  .md-footer,
  .md-top {
    display: none !important;
  }

  .md-content__inner {
    max-width: none;
  }
}