/*html {
	font-size: 16px;
}
*/
body {
  --body-width: min(80rem, 90vw);
  --gutter: 1.125rem;

  --diagram-width-wide: 60rem;
  --diagram-width-small: 30rem;
  --diagram-width-smaller: 20rem;

  --margin-left: calc((100vw - var(--body-width) - var(--gutter)) / 2);

  /* font choices inspired by www.redblobgames.com */
  --sans-serif: 'Avenir Next', Candara, Ubuntu, 'Fira Sans', system-ui, 'Segoe UI', sans-serif;
  --serif: 'Iowan Old Style', Cambria, Georgia, serif;
  --header-font: 'STIX Two Text', serif;

  font-family: var(--sans-serif);
  font-size: 1.1em;
  margin: 0;
}

main {
  margin-top: 5em;
  margin-left: var(--margin-left);
  /*margin-right: 30em;*/
  /*width: calc(var(--body-width) + var(--gutter) + var(--diagram-width-small));*/
  width: var(--body-width);
  max-width: inherit;
}

header {
  display: block;
  text-align: center;
  font-family: var(--header-font);
  background-color: hsl(0, 0%, 80%);
  height: 6.5em;
  font-size: 2.5em;
  padding-top: 0.5em;
  border-bottom: 50px solid hsl(0, 0%, 90%);

  .subhead {
    font-size: 1.5rem;

    a {
      text-decoration: none;
    }
  }
}

a {
  text-decoration: none;

  &:hover {
    text-decoration: underline;
  }

  &.anchor {
    /*padding-left: 2em;*/
    color: black;
    padding-right: 0.3em;
    /*font-size:0.8em;*/

    &::before {
      content: '△';
    }
  }
}

section {
  padding-bottom: 3em;
}

div.flex-container {
  display: inline-flex;
  gap: 2em;
  flex-direction: row;
}

div.flex-block {
  display: flex;
  gap: 2em;
  flex-direction: row;

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

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

h2 {
  font-size: 2em;
  font-family: var(--header-font);
}

/*h2::before {
  content: '△ ';
}*/

footer {
  display: block;
  text-align: center;
  height: 5rem;
  background-color: hsl(0, 0%, 80%);
  border-top: 50px solid hsl(0, 0%, 90%);
  padding-top: 2rem;
  margin-top: 5rem;

  p {
    margin: 0;
  }
}

p {
  font-family: var(--serif);
  font-size: 1.2em;
}

figure,
.sidebar {
  box-sizing: border-box;
  flex-basis: auto;
  margin: 0;

  &.full-width {
    padding-top: 2em;
    /*padding-bottom: 2em;*/
  }

  svg.border {
    border: solid 1px hsl(0, 0%, 90%);
  }

  &.small {
    min-width: var(--diagram-width-small);
  }

  &.smaller {
    min-width: var(--diagram-width-smaller);
  }

  figcaption {
    text-align: center;
  }
}

.block {
  padding-top: 2em;
  display: block;
}

math {
  /*font-family: "Noto Sans Math", sans-serif;*/
  /*font-family: 'Libertinus Math', serif, system-ui;*/
  max-width: 20rem;
}

table {
  border-collapse: collapse;
  border: 2px solid rgb(140 140 140);
  border-spacing: 1px;

  caption {
    caption-side: bottom;
    padding: 10px;
    /*font-weight: bold;*/
  }

  th {
    font-weight: normal;
  }

  th,
  td {
    border: 1px solid rgb(160 160 160);
    padding: 5px 10px;
  }

  td.empty {
    background-color: hsl(0, 0%, 90%);
  }
}

div.annotation {
  padding-top: 0.5em;
  display: flex;
  justify-content: center;
  flex-direction: row;
  align-items: center;

  div.row {
    display: flex;
    gap: 1em;
    flex-direction: row;
  }

  input.slider {
    height: 25px;
  }

  label {
    /*padding-left: 1em;*/
    width: 5em;
    margin: 2px;
  }
}

.nowrap {
  white-space: nowrap;
}