:root {
  --nav-foreground: #CDD9E5;
  --nav-background: #22272e;
  --nav-background-hover: black;
  --nav-active-foreground: white;
  --nav-active-background: #04AA6D;
  --content-border: #CDD9E5AA;

  --content-foreground: #ADBAC7;
  --content-foreground-separator: #CDD9E566;
  --content-background: #22272e;

  --link-color: gold;
  --link-hover-color: yellow;

  --footer-foreground: #FFFFFFAA;
  --footer-foreground-hover: white;
  --footer-background: #22272E;
}

/*
@media screen and (prefers-color-scheme: light) {
  --nav-foreground: white;
  --nav-background: #333;
  --nav-background-hover: black;
  --nav-active-background: #04AA6D;
  --content-border: white;

  --content-foreground: black;
  --content-foreground-separator: #33333344;
  --content-background: white;

  --footer-foreground: #FFFFFFAA;
  --footer-foreground-hover: white;
  --footer-background: #333;
}
*/

html {
  height: 100%;
  font-family: sans-serif;
  scroll-padding-top: 52px;
}
body {
  min-height: 100%;
  margin: 0;
  display: flex;
  flex-direction: column;
  color: var(--content-foreground);
  background-color: var(--content-background);
}

.main-nav {
  position: -webkit-sticky; /* Safari */
  position: sticky;
  z-index: 1;
  top: 0;
  border-bottom: thin solid var(--content-border);
}
.main-nav ul {
  display: block flex;
  list-style-type: none;
  margin: 0;
  padding: 0;
  background-color: var(--nav-background);
}
.main-nav li {
  display: inline flex;
}
.main-nav li a {
  display: block flex;
  color: var(--nav-foreground);
  text-decoration: none;
  text-align: center;
}
.main-nav .nav-text {
  padding: 0.8em 1em;
}
.main-nav .nav-icon {
  padding: 0.6em 0.8em;
  background-color: inherit;
  border: inherit;
}
.main-nav a:hover, .main-nav button:hover {
  background-color: var(--nav-background-hover);
}
.main-nav .nav-active, .main-nav .nav-active:hover {
  color: var(--nav-active-foreground);
  background-color: var(--nav-active-background);
}
.main-nav li img {
  height: 1.8em;
  width: auto;
}

.dropdown {
  display: none;
  position: absolute;
  z-index: 1;
  border: 1px solid var(--content-border);
  background-color: var(--nav-background);
  top: 100%;
  right: auto;
  left: auto;
}
.dropdown.expand {
  display: block;
}

.main-content {
  margin: 8px;
  line-height: 1.5;
  min-width: 0px;
  max-width: 1024px;
}

.justify-center {
  display: flex;
  justify-content: center;
}

.flex-stretch {
  flex: 1;
}
.flex-break {
  flex-basis: 100%;
  height: 0;
}
.flex-column {
  flex-direction: column;
}

.main-footer {
  color: var(--footer-foreground);
  background: var(--footer-background);
  margin-top: 32px;
  padding: 32px 8px 32px 8px;
  flex-wrap: wrap;
  border-top: thin solid var(--content-border);
}
.main-footer a {
  display: flex;
  justify-content: center;
  height: 28px;
  width: 44px;
}
.main-footer img {
  opacity: 0.625;
  transition: all 0.2s linear;
}
.main-footer a:hover img {
  opacity: 1;
  transition: all 0.2s linear;
}
.main-footer-copyright {
  font-size: smaller;
  text-align: center;
  margin-bottom: 0;
}

a:link {
  color: var(--link-color);
}
a:visited {
  color: var(--link-color);
}
a:hover {
  color: var(--link-hover-color);
}
a.undecorated-link {
  color: inherit;
  text-decoration-line: none;
}
a.decorated-link {
  text-decoration-line: underline;
}
a.header-anchor {
  color: inherit;
  text-decoration-line: none;
  display: block;
  width: 100%;
}
a.header-anchor:hover::after {
  content: " 🔗";
}
.subtitle {
  font-size: smaller;
}

blockquote {
  margin-inline-start: 8px;
  padding-left: 8px;
  border-left: solid medium var(--content-foreground);
  backdrop-filter: brightness(85%);
}

code {
  background-color: rgba(99,110,123,0.4);
  border-radius: 6px;
  padding: 0 .4em;
  font-size: larger;
}

hr.thin {
  border: solid 0.1px var(--content-border);
}