html,
body {
  margin: 0;
  padding: 0;
  background: #fff;
}

html {
  font-size: 16px;

  font-display: optional;

  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  -webkit-tap-highlight-color: transparent;

  @media print {
    font-size: 12pt;
  }
}

body {
  min-height: 100vh;
  color: #2c3e50;
}

a {
  color: #3eaf7c;
  font-weight: 500;
  text-decoration: none;
  overflow-wrap: break-word;
}

kbd {
  display: inline-block;

  min-width: 1em;
  margin-inline: 0.125rem;
  padding: 0.25em;
  border: 1px solid #eee;
  border-radius: 0.25em;

  box-shadow: 1px 1px 4px 0 rgb(0 0 0 / 15%);

  line-height: 1;
  letter-spacing: -0.1em;
  text-align: center;
}

code {
  margin: 0;
  padding: 0.2rem 0.4rem;
  border-radius: 5px;

  background: rgb(127 127 127 / 12%);

  font-size: 0.85em;
  overflow-wrap: break-word;

  table & {
    padding: 0.1rem 0.4rem;
  }

  p a & {
    color: #3eaf7c;
    font-weight: 400;
  }
}

strong {
  font-weight: 600;
}

h1,
h2,
h3,
h4,
h5,
h6 {
  font-weight: 500;
  line-height: 1.25;
  overflow-wrap: break-word;

  &:focus-visible {
    outline: none;
  }
}

h1 {
  font-size: 2rem;
}

h2 {
  padding-bottom: 0.3rem;
  border-bottom: 1px solid #eaecef;
  font-size: 1.65rem;
}

h3 {
  font-size: 1.35rem;
}

h4 {
  font-size: 1.15rem;
}

h5 {
  font-size: 1.05rem;
}

h6 {
  font-size: 1rem;
}

a.header-anchor {
  position: relative;
  color: inherit;

  &:hover {
    &::before {
      content: "¶";

      position: absolute;
      bottom: 0;
      left: -0.75em;

      color: var(--c-brand);

      font-size: 0.75em;
    }
  }

  &:focus-visible {
    outline: none;

    &::before {
      content: "¶";

      position: absolute;
      left: -0.75em;

      color: var(--c-brand);
      outline: auto;
    }
  }
}

p,
ul,
ol {
  line-height: 1.6;
  overflow-wrap: break-word;

  @media print {
    line-height: 1.5;
  }
}

ul,
ol {
  padding-inline-start: 1.2em;
}

blockquote {
  margin: 1rem 0;
  padding: 0.25rem 0 0.25rem 1rem;
  border-inline-start: 0.2rem solid #ddd;

  color: #666;

  font-size: 1rem;
  overflow-wrap: break-word;

  > p {
    margin: 0;
  }
}

hr {
  border: 0;
  border-top: 1px solid #eaecef;
}

table {
  display: block;
  overflow-x: auto;
  margin: 1rem 0;
  border-collapse: collapse;
}

tr:nth-child(odd) {
  background: #f6f8fa;
}

th,
td {
  padding: 0.6em 1em;
  border: 1px solid #dfe2e5;
}

pre {
  direction: ltr;
}

@page {
  margin: 2cm;
  font-size: 12pt;
  size: a4;
}

@media print {
  // clear style
  *,
  ::after,
  ::before {
    box-shadow: none !important;
    text-shadow: none !important;
  }

  // handle main content style
  h2,
  h3,
  p {
    orphans: 3;
    widows: 3;
  }

  h2,
  h3 {
    page-break-after: avoid;
  }

  a {
    color: inherit;
    font-weight: inherit !important;
    font-size: inherit !important;
    text-decoration: underline;

    // add links after anchor
    &[href^="http://"],
    &[href^="https://"]
    {
      &::after {
        content: " (" attr(href) ") ";
      }
    }
  }

  // add abbreviations
  abbr[title]::after {
    content: " (" attr(title) ")";
  }

  pre {
    border: 1px solid #eee;
    white-space: pre-wrap !important;

    > code {
      white-space: pre-wrap !important;
    }
  }

  blockquote {
    border-inline-start: 0.2rem solid #ddd;
    color: inherit;
  }

  blockquote,
  pre {
    orphans: 5;
    widows: 5;
  }

  img,
  tr,
  canvas {
    page-break-inside: avoid;
  }
}