:root {
  --text-color: #444;
  --background-color: #f0f0f0;
  --link-color: #106ad5;
  --table-border: #bbb;
  --pre-color: #161616;
  --pre-link-color: #001631;
  --pre-background: rgba(36, 126, 233, 0.1);
  --code-color: #333;
}

@media (prefers-color-scheme: dark) {
  :root {
    --background-color: #444;
    --text-color: #f0f0f0;
    --link-color: #4498ff;
    --pre-color: #e8e8e8;
    --pre-link-color: #cee4ff;
    --code-color: #ccc;
  }

  #logo {
    filter: invert();
  }

  .c3-tooltip th {
    background: #6f6f6f;
  }

  .c3-tooltip td {
    background: var(--background-color);
  }

  .c3-axis g,
  .c3-axis text,
  .c3-legend-item text {
    fill: var(--text-color);
  }

  .c3-axis line,
  .c3-axis path.domain {
    stroke: var(--text-color);
  }
}

body {
  color: var(--text-color);
  background: var(--background-color);
  padding: 0;

  line-height: 1.5;
  font-family: -apple-system,BlinkMacSystemFont,avenir next,avenir,helvetica neue,helvetica,ubuntu,roboto,noto,segoe ui,arial,sans-serif;

  margin: 5ex 10ex;
  max-width: 80ex;
}

#manual img {
  width: 100%;
  max-width: 800px;
}

h1,
h2,
h3,
h4 {
  font-weight: 500;
  margin-top: 2em;
  margin-bottom: 0;
}

h1:first-child,
h2:first-child,
h3:first-child,
h4:first-child {
  margin-top: 0;
}

h1,
h2,
h3,
h4,
p,
table {
  margin-left: 8px;
  margin-right: 8px;
}

table {
  border-collapse: collapse;
  margin-top: 8px;
}

td,
th {
  font-weight: normal;
  text-align: center;
  border: 1px solid var(--table-border);
  padding: 4px;
}

@media only screen and (min-width: 768px) {
  td,
  th {
    padding: 8px 16px;
  }
}

svg {
  margin: 0px;
  width: 100%;
  height: 300px;
}

a {
  color: var(--link-color);
}

pre a {
  color: var(--pre-link-color);
}

h2 a,
h3 a {
  display: none;
  color: #3bace5;
  text-decoration: none;
}

h2:hover a,
h3:hover a {
  display: inline;
}

pre {
  /* background: rgba(36, 126, 233, 0.03); */
  color: var(--pre-color);
  background: var(--pre-background);
  padding: 15px;
  white-space: pre-wrap;
  word-break: break-all;
  overflow-x: auto;
}

header {
  display: flex;
  align-items: center;
  margin: 16px 4px;
}

header > * {
  margin: 8px;
}

header h1 {
  margin: 8px 0;
}

@media only screen and (max-width: 480px) {
  body {
    margin: 0;
  }
}

code {
  background: rgba(36, 126, 233, 0.1);
  padding: 2px 5px;
  color: var(--code-color);
}

.hljs {
  background: transparent;
}

#spinner-overlay {
  display: none;
  position: fixed;
  top: 0px;
  bottom: 0px;
  left: 0px;
  right: 0px;
  background: rgba(0, 0, 0, 0.3);
}

@keyframes spinner {
  to {
    transform: rotate(360deg);
  }
}

.spinner:before {
  content: "";
  box-sizing: border-box;
  position: absolute;
  top: 50%;
  left: 50%;
  width: 60px;
  height: 60px;
  margin-top: -30px;
  margin-left: -30px;
  border-radius: 50%;
  border: 2px solid #ccc;
  border-top-color: #000;
  animation: spinner 0.6s linear infinite;
}

.hidden {
  display: none;
}