@mixin md-typography {
  color: $gl-text-color;
  word-wrap: break-word;

  a {
    color: $md-link-color;
  }

  img {
    max-width: 100%;
  }

  *:first-child:not(.katex-display) {
    margin-top: 0;
  }

  // Single code lines should wrap
  code {
    font-family: $monospace_font;
    white-space: pre-wrap;
    word-wrap: normal;
  }

  // Multi-line code blocks should scroll horizontally
  pre {
    code {
      white-space: pre;
    }
  }

  kbd {
    display: inline-block;
    padding: 3px 5px;
    font-size: 11px;
    line-height: 10px;
    color: $kdb-color;
    vertical-align: middle;
    background-color: $kdb-bg;
    border-width: 1px;
    border-style: solid;
    border-color: $kdb-border $kdb-border $kdb-border-bottom;
    border-image: none;
    border-radius: 3px;
    box-shadow: 0 -1px 0 $kdb-shadow inset;
  }

  h1 {
    font-size: 1.75em;
    font-weight: 600;
    margin: 16px 0 10px;
    padding: 0 0 0.3em;
    border-bottom: 1px solid $white-dark;
    color: $gl-text-color;
  }

  h2 {
    font-size: 1.5em;
    font-weight: 600;
    margin: 16px 0 10px;
    color: $gl-text-color;
  }

  h3 {
    margin: 16px 0 10px;
    font-size: 1.3em;
  }

  h4 {
    margin: 16px 0 10px;
    font-size: 1.2em;
  }

  h5 {
    margin: 16px 0 10px;
    font-size: 1em;
  }

  h6 {
    margin: 16px 0 10px;
    font-size: 0.95em;
  }

  blockquote {
    color: $gl-grayish-blue;
    font-size: inherit;
    padding: 8px 21px;
    margin: 12px 0;
    border-left: 3px solid $white-dark;
  }

  blockquote:dir(rtl) {
    border-left: 0;
    border-right: 3px solid $white-dark;
  }

  blockquote p {
    color: $gl-grayish-blue !important;
    font-size: inherit;
    line-height: 1.5;
  }

  p {
    color: $gl-text-color;
    margin: 6px 0 0;
  }

  table {
    @extend .table;
    @extend .table-bordered;
    margin: 12px 0;
    color: $gl-text-color;

    th {
      background: $label-gray-bg;
    }
  }

  table:dir(rtl) th {
    text-align: right;
  }

  pre {
    margin: 12px 0;
    font-size: 13px;
    line-height: 1.6em;
    overflow-x: auto;
    border-radius: 2px;
  }

  p > code {
    font-weight: inherit;
  }

  ul,
  ol {
    padding: 0;
    margin: 3px 0 !important;
  }

  ul:dir(rtl),
  ol:dir(rtl) {
    margin: 3px 28px 3px 0 !important;
  }

  li {
    line-height: 1.6em;
    margin-left: 25px;
    padding-left: 3px;

    /* Normalize the bullet position on webkit. */
    @include on-webkit-only {
      margin-left: 28px;
      padding-left: 0;
    }
  }

  ul.task-list {
    li.task-list-item {
      list-style-type: none;
      position: relative;
      min-height: 22px;
      padding-left: 28px;
      margin-left: 0 !important;

      input.task-list-item-checkbox {
        position: absolute;
        left: 8px;
        top: 5px;
      }
    }
  }

  a[href*="/uploads/"],
  a[href*="storage.googleapis.com/google-code-attachments/"] {
    &::before {
      margin-right: 4px;

      font: normal normal normal 14px/1 FontAwesome;
      font-size: inherit;
      text-rendering: auto;
      -webkit-font-smoothing: antialiased;
      content: "\f0c6";
    }

    &:hover::before {
      text-decoration: none;
    }
  }

  a.no-attachment-icon {
    &::before {
      display: none;
    }
  }

  /* Link to current header. */
  h1,
  h2,
  h3,
  h4,
  h5,
  h6 {
    position: relative;

    a.anchor {
      left: -16px;
      position: absolute;
      text-decoration: none;
      outline: none;

      &::after {
        content: image-url('icon_anchor.svg');
        visibility: hidden;
      }
    }

    &:hover > a.anchor::after {
      visibility: visible;
    }
  }
}


/**
 * Headers
 *
 */
body {
  -webkit-text-shadow: $body-text-shadow 0 0 1px;
}

.page-title {
  margin-top: $gl-padding;
  line-height: 1.3;
  font-size: 1.25em;
  font-weight: 600;

  &:last-child {
    margin-bottom: 0;
  }
}

.page-title-empty {
  margin-top: 0;
  line-height: 1.3;
  font-size: 1.25em;
  font-weight: 600;
  margin: 12px 7px;
}

h1,
h2,
h3,
h4,
h5,
h6 {
  color: $gl-text-color;
  font-weight: 600;
}

.light-header {
  font-weight: 600;
}

/** CODE **/
pre {
  font-family: $monospace_font;

  &.plain-readme {
    background: none;
    border: none;
    padding: 0;
    margin: 0;
    font-size: 14px;
  }
}

.monospace {
  font-family: $monospace_font;
  font-size: 90%;
}

code {
  &.key-fingerprint {
    background: $body-bg;
    color: $text-color;
  }
}

a > code {
  color: $link-color;
}

/**
 * Apply Markdown typography
 *
 */
.wiki {
  @include md-typography;
}

.md {
  @include md-typography;
}

/**
 * Textareas intended for GFM
 *
 */
textarea.js-gfm-input {
  font-family: $monospace_font;
  font-size: 13px;
}

.strikethrough {
  text-decoration: line-through;
}

h1,
h2,
h3,
h4 {
  small {
    color: $gl-text-color;
  }
}

.text-right-lg {
  @media (min-width: $screen-lg-min) {
    text-align: right;
  }
}

.idiff.deletion {
  background: $line-removed-dark;
}

.idiff.addition {
  background: $line-added-dark;
}


/**
 * form text input i.e. search bar, comments, forms, etc.
 */
input,
textarea {
  &::-webkit-input-placeholder {
    color: $placeholder-text-color;
  }

  // support firefox 19+ vendor prefix
  &::-moz-placeholder {
    color: $placeholder-text-color;
    opacity: 1; // FF defaults to 0.54
  }

  // scss-lint:disable PseudoElement
  // support Edge vendor prefix
  &::-ms-input-placeholder {
    color: $placeholder-text-color;
  }

  // scss-lint:disable PseudoElement
  // support IE vendor prefix
  &:-ms-input-placeholder {
    color: $placeholder-text-color;
  }
}
