/* fgls site: the design of emiliogcs.com/code/ laid over pkgdown's Bootstrap 5
   template. Tokens, fonts, header and footer are the site's (assets/site.css
   in emiliogcs/emiliogcs.github.io); the rest translates its code page:
   prose in the serif, code and metadata in mono, code between hairlines, a
   sticky contents column from 1200px. The fonts are served by emiliogcs.com. */

/* ---------------------------------------------------------------- fonts */

@font-face {
  font-family: "EB Garamond";
  src: url("/assets/fonts/eb-garamond-400.woff2") format("woff2");
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "EB Garamond";
  src: url("/assets/fonts/eb-garamond-400-italic.woff2") format("woff2");
  font-weight: 400;
  font-style: italic;
  font-display: swap;
}
@font-face {
  font-family: "IBM Plex Mono";
  src: url("/assets/fonts/ibm-plex-mono-400.woff2") format("woff2");
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "Garamond Fallback";
  src: local("Times New Roman"), local("TimesNewRomanPSMT"), local("Liberation Serif"), local("Tinos");
  size-adjust: 94.17%;
  ascent-override: 106.94%;
  descent-override: 31.65%;
  line-gap-override: 0%;
}
@font-face {
  font-family: "Plex Fallback";
  src: local("Menlo"), local("Menlo-Regular"), local("Courier New"), local("CourierNewPSMT"), local("Liberation Mono"), local("Cousine");
  size-adjust: 99.8%;
  ascent-override: 102.7%;
  descent-override: 27.55%;
  line-gap-override: 0%;
}

/* --------------------------------------------------------------- tokens */

:root {
  --paper: #F5F3EE;
  --ink: #151515;
  --muted: #6B6A66;
  --rule: #D9D6CF;
  --accent: #8C2F23; /* oxblood */

  --serif: "EB Garamond", "Garamond Fallback", Garamond, "Times New Roman", serif;
  --mono: "IBM Plex Mono", "Plex Fallback", ui-monospace, Menlo, Consolas, monospace;

  --gutter: 20px;
  --gap: 24px;
  --max: 1280px;

  color-scheme: light dark;
}
/* Dark follows the system unless the visitor picked a theme with the switch
   in the footer (extra.js, as site.js on the rest of the site, sets
   data-theme="light" or "dark" on <html>; the choice is shared with it). */
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --paper: #0F0F0E;
    --ink: #ECE9E2;
    --muted: #8E8B84;
    --rule: #2A2926;
    --accent: #D27A68;
  }
}
:root[data-theme="dark"] {
  --paper: #0F0F0E;
  --ink: #ECE9E2;
  --muted: #8E8B84;
  --rule: #2A2926;
  --accent: #D27A68;
  color-scheme: dark;
}
:root[data-theme="light"] {
  color-scheme: light;
}
@media (min-width: 900px) {
  :root {
    --gutter: 48px;
  }
}

/* Bootstrap's own variables, so its components (dropdowns, search, tooltips,
   tables) take the site's inks. [data-bs-theme] also covers the navbar. */
:root,
[data-bs-theme] {
  --bs-body-bg: var(--paper);
  --bs-body-color: var(--ink);
  --bs-body-font-family: var(--serif);
  --bs-body-font-size: 18px;
  --bs-body-line-height: 1.6;
  --bs-font-sans-serif: var(--serif);
  --bs-font-monospace: var(--mono);
  --bs-emphasis-color: var(--ink);
  --bs-secondary-color: var(--muted);
  --bs-tertiary-color: var(--muted);
  --bs-secondary-bg: var(--paper);
  --bs-tertiary-bg: var(--paper);
  --bs-border-color: var(--rule);
  --bs-primary: var(--accent);
  --bs-heading-color: inherit;
  --bs-border-radius: 0;
}

/* ----------------------------------------------------------------- base */

body {
  background: var(--paper);
  color: var(--ink);
  font: 18px/1.6 var(--serif);
  font-variant-numeric: oldstyle-nums;
  font-kerning: normal;
  overflow-wrap: break-word;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) body {
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
  }
}
:root[data-theme="dark"] body {
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

h1,
h2,
h3,
h4,
h5,
h6 {
  font-weight: 400;
}

a {
  color: inherit;
  text-decoration: none;
  transition: color 0.2s;
}
a:hover {
  color: var(--accent);
}

:focus-visible {
  outline: 1px solid var(--accent);
  outline-offset: 3px;
}

::selection {
  background: var(--ink);
  color: var(--paper);
}

/* Skip link, as the site's. */
a[href="#main"].visually-hidden-focusable:focus {
  top: 8px;
  left: 8px;
  margin: 0;
  padding: 4px 8px;
  background: var(--paper);
  font: 13px/1.6 var(--mono);
}

/* --------------------------------------------------------------- layout */

/* The site's .wrap for every container. */
body > .container,
.navbar > .container,
.wrap {
  width: min(100% - 2 * var(--gutter), var(--max));
  max-width: none;
  margin-inline: auto;
  padding-inline: 0;
}

/* No sticky footer: the page ends where its content does. */
html,
body {
  height: auto;
  scroll-padding: 0;
}
body > .container {
  display: block;
  min-height: 0;
  padding-top: 72px;
}
@media (min-width: 900px) {
  body > .container {
    padding-top: 80px;
  }
}

body > .container > .row {
  display: block;
  margin: 0;
}
.row > main,
.row > aside {
  width: auto;
  max-width: none;
  margin: 0;
  padding: 0;
}
.row > main {
  min-width: 0;
  max-width: 800px;
}

/* Twelve columns on desktop, text from column 3, as on the site. */
@media (min-width: 900px) {
  body > .container > .row {
    display: grid;
    grid-template-columns: repeat(12, minmax(0, 1fr));
    column-gap: var(--gap);
    align-items: start;
  }
  .row > main,
  .row > aside {
    grid-column: 3 / -1;
  }
}

/* --------------------------------------------------------------- header */

.site-header {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  column-gap: 32px;
  row-gap: 4px;
  padding-top: 28px;
}
@media (min-width: 900px) {
  .site-header {
    padding-top: 40px;
  }
}
.site-header p,
.site-header ul {
  margin: 0;
  padding: 0;
  list-style: none;
}
.site-header .name {
  font-family: var(--mono);
  font-size: 12px;
  line-height: 24px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-variant-numeric: lining-nums;
}
.site-header .nav {
  display: block;
  font-family: var(--mono);
  font-size: 13px;
  line-height: 24px;
  text-transform: lowercase;
}
.site-header .nav ul,
footer .links {
  display: flex;
  flex-wrap: wrap;
}
.site-header .nav a,
footer .links a {
  display: inline-block;
  min-height: 24px;
}
/* The dot hangs off the end of each item, so a wrapped row never starts with one. */
.site-header .nav li:not(:last-child)::after,
footer .links li:not(:last-child)::after,
#navbar > .navbar-nav:first-child > .nav-item:not(:last-child)::after {
  content: "·";
  content: "·" / "";
  margin-inline: 0.6em;
  color: var(--muted);
}

/* -------------------------------------------------------- package bar */
/* pkgdown's navbar, set as a section of the site: a hairline, the package
   and version as a label, then its pages in the site's mono link row. On
   wide screens the pages start at column 3, with the text. */

.navbar {
  position: static;
  display: block;
  color: var(--ink);
  margin-top: 56px;
  padding: 0;
  background: none !important;
  font-family: var(--mono);
  font-size: 13px;
  line-height: 24px;
  font-variant-numeric: lining-nums;
}
.navbar.headroom {
  transform: none;
  transition: none;
}
@media (min-width: 900px) {
  .navbar {
    margin-top: 64px;
  }
}
.navbar > .container {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: flex-start;
  row-gap: 8px;
  padding-top: 20px;
  border-top: 1px solid var(--rule);
  container-type: inline-size;
}
.navbar-brand {
  margin: 0 0.8em 0 0;
  padding: 0;
  font-size: 12px;
  line-height: 24px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: inherit;
}
.navbar-brand:hover,
.navbar-brand:focus {
  color: var(--accent);
}
.navbar .nav-text {
  margin-right: 0 !important;
  font-size: 12px;
  color: var(--muted) !important;
}
.navbar-toggler {
  display: none;
}
#navbar.collapse:not(.show),
#navbar {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 8px 32px;
  flex: 1 0 100%;
  margin: 0 !important; /* over Bootstrap's .ms-3 */
}
@media (min-width: 900px) {
  /* columns 3 to 12 of the twelve, pushed right: brand and version keep 1-2 */
  #navbar.collapse:not(.show),
  #navbar {
    flex: 0 0 auto;
    width: calc(100cqw - (100cqw - 11 * var(--gap)) / 6 - 2 * var(--gap));
    margin-left: auto !important; /* over Bootstrap's .ms-3 */
  }
}
.navbar .navbar-nav {
  display: flex;
  flex-direction: row;
  flex-wrap: wrap;
  align-items: baseline;
  margin: 0 !important;
  padding: 0;
  text-transform: lowercase;
}
.navbar .nav-item {
  position: relative;
  display: flex;
  align-items: baseline;
}
.navbar .navbar-nav .nav-link {
  display: inline-block;
  min-height: 24px;
  padding: 0;
  border: 0;
  border-radius: 0;
  background: none;
  color: inherit;
  font: inherit;
  text-transform: inherit;
}
.navbar .nav-link:hover,
.navbar .nav-link:focus-visible,
.navbar .nav-link.show {
  background: none;
  box-shadow: none;
  color: var(--accent);
}
/* The page you are on: underlined, as the theme in use in the footer. */
.navbar .nav-item.active .nav-link {
  background: none;
  text-decoration-line: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 0.2em;
}
#navbar > .navbar-nav:last-child {
  column-gap: 24px;
}
/* GitHub: a word and an arrow, as the site's outbound links. */
.navbar .fab.fa-github {
  display: inline;
  font-family: inherit !important;
  font-size: inherit;
  line-height: inherit;
  vertical-align: baseline;
  -webkit-font-smoothing: inherit;
}
.navbar .fa-github::before {
  content: "github ↗";
  content: "github ↗" / "";
}

/* Articles menu: + and − as the site's disclosures, a plain sheet below. */
.navbar .dropdown-toggle::after {
  content: "+";
  margin-left: 0.4em;
  border: 0;
  vertical-align: baseline;
}
.navbar .dropdown-toggle[aria-expanded="true"]::after {
  content: "−";
}
.navbar .dropdown-menu {
  position: absolute;
  top: 100%;
  left: 0;
  z-index: 1000;
  min-width: 16rem;
  max-width: min(32rem, 100vw - 2 * var(--gutter));
  max-height: 70vh;
  margin-top: 8px;
  padding: 8px 0;
  border: 1px solid var(--rule);
  border-radius: 0;
  background: var(--paper);
  box-shadow: none;
  font-size: 13px;
  line-height: 20px;
  text-transform: none;
}
.navbar .dropdown-item {
  padding: 4px 16px;
  white-space: normal;
  color: inherit;
  background: none;
}
.navbar .dropdown-item:hover,
.navbar .dropdown-item:focus {
  color: var(--accent);
  background: none;
}
.navbar .dropdown-header {
  padding: 8px 16px 2px;
  font-size: 11px;
  line-height: 20px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
}
.navbar .dropdown-divider {
  margin: 6px 0;
  border-color: var(--rule);
  opacity: 1;
}
.navbar .dropdown-menu > li:first-child > .dropdown-divider {
  display: none;
}

/* Search: a hairline to write on. */
.navbar form {
  margin: 0;
}
.navbar input[type="search"] {
  width: 12rem;
  min-height: 24px;
  margin: 0;
  padding: 0 0 1px;
  border: 0;
  border-bottom: 1px solid var(--rule);
  border-radius: 0;
  background: none;
  color: inherit;
  font: inherit;
  box-shadow: none;
  transition: border-color 0.2s;
}
.navbar input[type="search"]::placeholder {
  color: var(--muted);
  text-transform: lowercase;
  opacity: 1;
}
.navbar input[type="search"]:focus {
  border-bottom-color: var(--accent);
  outline: none;
  box-shadow: none;
}
@media (max-width: 479px) {
  #navbar > .navbar-nav:last-child,
  #navbar > .navbar-nav:last-child .nav-item:first-child,
  .navbar form,
  .algolia-autocomplete,
  .navbar input[type="search"] {
    width: 100%;
  }
}
.algolia-autocomplete .aa-dropdown-menu {
  margin-top: 8px;
  padding: 8px 0;
  border: 1px solid var(--rule);
  border-radius: 0;
  background: var(--paper);
  color: var(--ink);
  font: 12px/18px var(--mono);
  text-transform: none;
}
.algolia-autocomplete .aa-dropdown-menu .aa-suggestion {
  padding: 6px 16px;
  font-size: 12px;
  line-height: 18px;
}
.algolia-autocomplete .aa-dropdown-menu .aa-suggestion:hover,
.algolia-autocomplete .aa-dropdown-menu .aa-cursor {
  background: none;
  color: var(--accent);
}
.algolia-autocomplete .aa-dropdown-menu .search-details {
  text-decoration-color: var(--rule);
  text-underline-offset: 0.18em;
}

/* --------------------------------------------------------- page header */

.page-header {
  min-height: 0 !important;
  margin: 0;
  padding: 0;
  border: 0;
}
.page-header h1 {
  margin: 0;
  font-size: clamp(28px, 4vw, 40px);
  line-height: 1.2;
  text-wrap: balance;
}
.page-header .subtitle,
.page-header .author,
.page-header .date {
  margin-top: 16px;
  font-size: 18px;
  font-style: italic;
  font-weight: 400;
  color: var(--muted);
}
/* "Source: R/fgls.R": the site's mono note. */
.page-header small,
.page-header .dont-index {
  display: block;
  margin-top: 12px;
  font-family: var(--mono);
  font-size: 13px;
  line-height: 20px;
  font-variant-numeric: lining-nums;
  color: var(--muted);
}
.page-header small code {
  font-size: 1em;
}
img.logo {
  display: none;
}

/* ------------------------------------------------------- contents column */
/* "On this page" (bootstrap-toc): the code page's contents, sticky in
   columns 1-2 from 1200px. Narrower, extra.js offers it as a closed
   "contents +" above the text; the sidebar of the home page goes below. */

.row > aside:has(#toc) {
  display: none;
}
@media (min-width: 1200px) {
  .row > aside {
    grid-column: 1 / 3;
    grid-row: 1;
  }
  .row > aside:has(#toc) {
    display: block;
  }
  .toc-top {
    display: none;
  }
}
#toc {
  position: sticky;
  top: 24px;
  max-height: calc(100vh - 48px);
  overflow-y: auto;
  overscroll-behavior: contain;
  scrollbar-width: thin;
}
aside,
.toc-top {
  font-family: var(--mono);
  font-variant-numeric: lining-nums;
  font-size: 12px;
  line-height: 18px;
}
aside h2,
#toc h2 {
  margin: 0 0 8px;
  font-family: var(--mono);
  font-size: 12px;
  line-height: 24px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
}
#toc .nav,
.toc-top ul {
  display: block;
  margin: 0;
  padding: 0;
  list-style: none;
}
#toc > .nav .nav,
.toc-top ul ul {
  margin: 2px 0 8px 1px;
  padding-left: 12px;
  border-left: 1px solid var(--rule);
}
#toc a.nav-link,
#toc > .nav a.nav-link,
.toc-top a {
  display: block;
  margin: 0;
  padding: 3px 0; /* 24px targets */
  border-radius: 0;
  background: none;
  color: var(--muted);
}
#toc > .nav > li > a.nav-link,
.toc-top nav > ul > li > a {
  color: var(--ink);
}
#toc > .nav .nav a.nav-link {
  margin-left: 0;
}
#toc a.nav-link:hover,
#toc a.nav-link:focus,
#toc > .nav > li > a.nav-link.active,
#toc > .nav a.nav-link.active,
.toc-top a:hover {
  background: none;
  color: var(--accent);
}
#toc code,
.toc-top code {
  font: inherit;
  padding: 0;
  background: none;
}

.toc-top {
  margin: 48px 0;
  padding-block: 8px;
  border-block: 1px solid var(--rule);
  font-size: 13px;
}
.toc-top > summary {
  display: inline-block;
  min-height: 24px;
  margin: 0;
  line-height: 24px;
  list-style: none;
  cursor: pointer;
  transition: color 0.2s;
}
.toc-top > summary::-webkit-details-marker {
  display: none;
}
.toc-top > summary:hover {
  color: var(--accent);
}
.toc-top .sign::before {
  content: "+";
}
.toc-top[open] .sign::before {
  content: "−";
}
.toc-top nav {
  padding: 8px 0 4px;
}

/* The home page's sidebar (links, licence, citation, developers): a column
   from 1200px; narrower, a row of short lists under a hairline. */
.template-home .row > aside {
  display: flex;
  flex-wrap: wrap;
  gap: 32px 48px;
  margin-top: 72px;
  padding-top: 20px;
  border-top: 1px solid var(--rule);
}
@media (min-width: 1200px) {
  .template-home .row > aside {
    display: block;
    margin-top: 0;
    padding-top: 0;
    border-top: 0;
  }
  .template-home .row > aside > div + div {
    margin-top: 32px;
  }
}
aside .list-unstyled {
  margin: 0;
  padding: 0;
}
aside .list-unstyled li {
  margin: 0;
  padding: 3px 0;
}
aside .list-unstyled li small {
  font-size: inherit;
}
aside .roles {
  display: block;
  color: var(--muted);
}
.orcid {
  color: var(--muted);
}
aside .orcid {
  margin-left: 2px;
}
aside a:hover .orcid {
  color: var(--accent);
}
aside img {
  display: block;
  margin-top: 3px;
}

/* ----------------------------------------------------------------- text */

main {
  text-wrap: pretty;
}
main p,
main ul,
main ol,
main dl,
main blockquote,
main pre,
main table,
main details {
  margin: 16px 0 0;
}
main :is(p, ul, ol, dl, blockquote) {
  max-width: 680px;
}
main ul {
  padding-left: 1.2em;
  list-style: disc;
}
main ol {
  padding-left: 1.5em;
}
main li + li {
  margin-top: 0.4em;
}
main li > p {
  margin-top: 0;
}
main strong,
main b {
  font-weight: 700;
}
main blockquote {
  padding-left: 16px;
  border-left: 1px solid var(--rule);
}
main blockquote > :first-child {
  margin-top: 0;
}
main hr {
  margin: 48px 0;
  border: 0;
  border-top: 1px solid var(--rule);
  opacity: 1;
}

/* Sections: a hairline, the heading as a mono label, as on the code page. */
main .section.level2,
main .ref-description + .section,
.template-reference-topic main .section.level2 {
  margin-top: 72px;
  padding-top: 20px;
  border-top: 1px solid var(--rule);
}
.template-reference-topic main .ref-description.section {
  margin-top: 32px;
  padding-top: 0;
  border-top: 0;
}
main h2 {
  margin: 0 0 32px;
  font-family: var(--mono);
  font-size: 12px;
  line-height: 24px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-variant-numeric: lining-nums;
  color: var(--muted);
}
main h2 code {
  font-size: 1em;
}
main h3 {
  margin: 56px 0 16px;
  font-size: clamp(24px, 2.6vw, 30px);
  font-weight: 400;
  line-height: 1.2;
  text-wrap: balance;
}
main h2 + h3,
main h2 + .section > h3:first-child {
  margin-top: 0;
}
main h4 {
  margin: 40px 0 12px;
  font-size: 21px;
  font-weight: 400;
  line-height: 1.3;
}
main h5,
main h6 {
  margin: 32px 0 8px;
  font-size: 18px;
  font-style: italic;
  font-weight: 400;
}
main :is(h2, h3, h4, h5, h6)[id],
main dt[id] {
  scroll-margin-top: 24px;
}
main :is(h3, h4, h5) + :is(p, ul, ol, dl, .sourceCode, table) {
  margin-top: 0;
}
main h2 + :is(p, ul, ol, dl, .sourceCode) {
  margin-top: 0;
}

/* Section anchors: a muted # on hover, as on the code page. */
a.anchor {
  display: inline;
  width: auto;
  height: auto;
  margin-left: 0.3em;
  background: none;
  color: var(--muted);
  opacity: 0;
  transition: opacity 0.2s;
}
a.anchor::after {
  content: "#";
}
:is(h2, h3, h4, h5, h6, dt):is(:hover, :target) .anchor,
a.anchor:focus-visible {
  display: inline;
  opacity: 1;
}

/* Links in the text: a hairline under them that darkens on hover. */
main a:not(.anchor, .page-header a, .toc-top a) {
  text-decoration-line: underline;
  text-decoration-color: var(--rule);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.18em;
  transition: color 0.2s, text-decoration-color 0.2s;
}
main a:not(.anchor, .page-header a, .toc-top a):hover {
  text-decoration-color: currentColor;
}

/* Inline code in the mono at the code page's size. */
code {
  padding: 0;
  border-radius: 0;
  background: none;
  color: inherit;
  font-family: var(--mono);
  font-size: 0.8em;
  font-variant-numeric: lining-nums;
}
main a code,
code a:any-link {
  color: inherit;
}

/* Definitions (arguments, the reference and article indexes): mono terms,
   serif descriptions indented beneath, as the code page's API entries. */
main dl {
  max-width: 720px;
}
main dt {
  margin-top: 16px;
  font-family: var(--mono);
  font-size: 13px;
  font-weight: 400;
  line-height: 20px;
  font-variant-numeric: lining-nums;
}
main dt:first-child {
  margin-top: 0;
}
main dt code {
  font-size: 1em;
}
main dd {
  margin: 2px 0 0 16px;
  padding: 0;
  font-size: 17px;
  line-height: 1.55;
}
main dd > p:first-child {
  margin-top: 0;
}
main dt:target,
main dt:target + dd {
  margin-left: -13px;
  padding-left: 12px;
  border-left: 1px solid var(--accent);
}
main dt:target + dd {
  margin-left: 3px;
}
.section-desc {
  max-width: 680px;
  color: var(--muted);
  font-style: italic;
}
.section-desc p {
  margin: 0;
}
/* The reference index: pkgdown follows each titled group with an untitled
   one holding its topics; that one continues the group, without a rule.
   Function names do not break inside. */
.template-reference-index main .section.level2:not(:has(> h2)) {
  margin-top: 24px;
  padding-top: 0;
  border-top: 0;
}
.template-reference-index main dl:empty {
  display: none;
}
.template-reference-index main dt code {
  overflow-wrap: normal;
}

/* Tables: rows between hairlines, mono heads; wide ones scroll in place. */
main table,
main table.table {
  --bs-table-bg: transparent;
  --bs-table-color: inherit;
  --bs-table-border-color: var(--rule);
  --bs-table-accent-bg: transparent;
  --bs-table-striped-bg: transparent;
  --bs-table-hover-bg: transparent;
  display: block;
  width: 100%;
  max-width: 100%;
  overflow-x: auto;
  border-collapse: collapse;
  font-size: 15px;
  line-height: 1.45;
  font-variant-numeric: lining-nums tabular-nums;
}
main table > :not(caption) > * > *,
main table.table > :not(caption) > * > * {
  padding: 7px 16px 7px 0;
  border-bottom: 1px solid var(--rule);
  background: none;
  box-shadow: none;
  color: inherit;
  text-align: left;
  vertical-align: top;
}
main table th,
main table.table th,
main table thead td {
  border-bottom-color: var(--muted);
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 400;
  line-height: 20px;
  color: var(--muted);
}
main table :is(th, td):last-child {
  padding-right: 0;
}
main table > :not(:first-child) {
  border-top: 0;
}
main table caption {
  caption-side: top;
  padding: 0 0 8px;
  color: var(--muted);
  font-style: italic;
}

/* Figures: the white of a plot falls into the paper; in the dark it inverts. */
main img {
  max-width: 100%;
  height: auto;
  mix-blend-mode: multiply;
}
main .figure,
main figure {
  margin: 24px 0 0;
}
main .caption,
main figcaption {
  margin-top: 8px;
  color: var(--muted);
  font-style: italic;
  font-size: 16px;
}
pre .r-plt img,
pre .img img {
  margin: 8px 0;
  background: none;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) main img {
    filter: invert(1) hue-rotate(180deg);
    mix-blend-mode: screen;
  }
}
:root[data-theme="dark"] main img {
  filter: invert(1) hue-rotate(180deg);
  mix-blend-mode: screen;
}

/* Math: MathJax typesets it; wide displays scroll in place. */
.math.display {
  display: block;
  overflow-x: auto;
  overflow-y: hidden;
  padding-block: 4px;
}
mjx-container[display="true"] {
  margin: 0 !important;
}

/* ----------------------------------------------------------------- code */
/* Code between hairlines, with a mono label and the copy button above, as
   on the code page. R output (#>) is set as comments: muted. */

div.sourceCode {
  position: relative;
  margin: 20px 0 0;
  padding-top: 28px;
  border-block: 1px solid var(--rule);
  background: none;
}
div.sourceCode::before {
  position: absolute;
  top: 4px;
  left: 0;
  font-family: var(--mono);
  font-size: 11px;
  line-height: 24px;
  letter-spacing: 0.06em;
  color: var(--muted);
}
div.sourceCode:has(> pre.r)::before {
  content: "r";
}
main pre,
div.sourceCode pre {
  margin: 0;
  padding: 4px 0 14px;
  overflow-x: auto;
  border: 0;
  border-radius: 0;
  background: none;
  color: inherit;
  font: 13px/1.6 var(--mono);
  font-variant-numeric: lining-nums;
  font-variant-ligatures: none;
  tab-size: 4;
}
main div > div > pre {
  margin-inline: 0;
  padding-inline: 0;
}
pre code,
main pre code {
  padding: 0;
  background: none;
  color: inherit;
  font: inherit;
  white-space: inherit;
}
@media (max-width: 479px) {
  main pre,
  div.sourceCode pre {
    font-size: 12px;
  }
}
/* Plain <pre> (the citation's BibTeX, the licence): between hairlines too. */
main > pre,
main .section > pre {
  margin-top: 16px;
  padding: 12px 0;
  border-block: 1px solid var(--rule);
  white-space: pre-wrap;
  overflow-wrap: anywhere;
}

/* Highlighting in the site's three inks: keywords and constants in the
   accent, comments and output muted, everything else as text. */
pre code span,
pre code span:is(.al, .an, .at, .bn, .cf, .ch, .cn, .co, .cv, .do, .dt, .dv, .er, .fl, .fu, .im, .in, .kw, .op, .ot, .pp, .sc, .ss, .st, .va, .vs, .wa) {
  color: inherit;
  font-style: normal;
  font-weight: inherit;
}
pre code span:is(.kw, .cf, .cn) {
  color: var(--accent);
}
pre code span:is(.co, .cv, .do, .wa, .r-pr) {
  color: var(--muted);
}
pre code .error,
pre code .warning {
  font-weight: inherit;
  color: var(--accent);
}

/* pkgdown's copy button, as the code page's: the word, always there. */
.hasCopyButton .btn-copy-ex,
.btn-copy-ex {
  position: absolute;
  top: 4px;
  right: 0;
  margin: 0;
  padding: 0;
  border: 0;
  border-radius: 0;
  background: none;
  box-shadow: none;
  color: var(--muted);
  font: 12px/24px var(--mono);
  visibility: visible;
  transition: color 0.2s;
}
.btn-copy-ex:hover,
.btn-copy-ex:focus-visible,
.btn-copy-ex:active {
  background: none !important;
  color: var(--accent) !important;
}
.btn-copy-ex .fa,
.btn-copy-ex i {
  display: none;
}
.btn-copy-ex::before {
  content: "copy";
}

/* Tooltips and popovers (copy, footnotes, version) in the site's inks. */
.tooltip {
  --bs-tooltip-bg: var(--ink);
  --bs-tooltip-color: var(--paper);
  --bs-tooltip-border-radius: 0;
  --bs-tooltip-font-size: 12px;
  font-family: var(--mono);
}
.popover {
  --bs-popover-bg: var(--paper);
  --bs-popover-border-color: var(--rule);
  --bs-popover-border-radius: 0;
  --bs-popover-body-color: var(--ink);
  box-shadow: none;
  font-family: var(--serif);
  font-size: 16px;
}

mark {
  padding: 0;
  background: color-mix(in srgb, var(--accent) 22%, transparent);
  color: inherit;
}

/* --------------------------------------------------------------- footer */
/* The site's footer: a hairline, "Contact" as a label, its links and the
   theme switch; pkgdown's credit under the copyright line. */

body > .container > footer {
  display: block;
  margin: 128px 0 96px;
  padding: 20px 0 0;
  border-top: 1px solid var(--rule);
  background: none;
  color: var(--ink);
  font-size: inherit;
}
footer div {
  flex: initial;
}
footer .label {
  margin: 0 0 32px;
  font-family: var(--mono);
  font-size: 12px;
  line-height: 24px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-variant-numeric: lining-nums;
  color: var(--muted);
}
footer .links,
footer .theme-switch,
footer .colophon,
footer .pkgdown-footer-right {
  font-family: var(--mono);
  font-variant-numeric: lining-nums;
}
footer .links {
  margin: 0;
  padding: 0;
  list-style: none;
  font-size: 13px;
  line-height: 24px;
}
footer .links li {
  display: flex; /* pandoc's line breaks inside the items take no space */
}
footer .footer-row {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: baseline;
  gap: 8px 32px;
}
footer .colophon,
footer .pkgdown-footer-right p {
  margin: 0;
  font-size: 12px;
  line-height: 24px;
  color: var(--muted);
}
footer .colophon {
  margin-top: 24px;
}
footer .pkgdown-footer-right {
  text-align: left !important;
}
footer .pkgdown-footer-right a:hover {
  color: var(--accent);
}
@media (min-width: 900px) {
  body > .container > footer {
    display: grid;
    grid-template-columns: repeat(12, minmax(0, 1fr));
    column-gap: var(--gap);
    align-items: start;
  }
  footer .pkgdown-footer-left {
    display: contents;
  }
  footer .label {
    grid-column: 1 / 3;
    margin-bottom: 0;
  }
  footer .footer-row,
  footer .colophon,
  footer .pkgdown-footer-right {
    grid-column: 3 / -1;
  }
}

/* Theme switch: theme  auto · light · dark */
.theme-switch {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  font-size: 13px;
  line-height: 24px;
}
.theme-switch[hidden] {
  display: none;
}
.theme-label {
  margin-right: 0.8em;
  color: var(--muted);
}
.theme-switch button {
  min-height: 24px;
  margin: 0;
  padding: 0;
  border: 0;
  background: none;
  color: var(--muted);
  font: inherit;
  cursor: pointer;
  text-underline-offset: 0.2em;
  text-decoration-thickness: 1px;
  transition: color 0.2s;
}
.theme-switch button + button::before {
  content: "·";
  content: "·" / "";
  margin-inline: 0.6em;
  color: var(--muted);
  display: inline-block; /* keeps the dot out of the underline */
}
.theme-switch button:hover {
  color: var(--accent);
}
.theme-switch button[aria-pressed="true"] {
  color: var(--ink);
  text-decoration-line: underline;
}

/* ------------------------------------------------------------ motion */

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    transition-duration: 0s !important;
    animation-duration: 0s !important;
  }
}

/* ------------------------------------------------------------- print */

@media print {
  :root,
  :root[data-theme] {
    --paper: #fff;
    --ink: #000;
    --muted: #444;
    --rule: #bbb;
    --accent: #000;
  }
  body {
    font-size: 11pt;
  }
  .site-header .nav,
  .navbar,
  .row > aside,
  .toc-top,
  .btn-copy-ex,
  .theme-switch,
  a.anchor {
    display: none !important;
  }
  main pre {
    overflow: visible;
    white-space: pre-wrap;
  }
  body > .container,
  .wrap {
    width: auto;
    margin-inline: 0;
  }
  body > .container {
    padding-top: 24px;
  }
  body > .container > .row {
    display: block;
  }
}