/**
 * Reset some basic elements
 */
body,
h1,
h2,
h3,
h4,
h5,
h6,
p,
blockquote,
pre,
hr,
dl,
dd,
ol,
ul,
figure {
  margin: 0;
  padding: 0;
}

* {
  box-sizing: border-box;
}

/**
 * Basic styling
 */
body {
  font: $base-font-weight #{$base-font-size}/#{$base-line-height}
    $base-font-family;
  color: $text-color;
  background-color: $background-color;
  -webkit-text-size-adjust: 100%;
  -webkit-font-feature-settings: "kern" 1;
  -moz-font-feature-settings: "kern" 1;
  -o-font-feature-settings: "kern" 1;
  font-feature-settings: "kern" 1;
  font-kerning: normal;
}

/**
 * Set `margin-bottom` to maintain vertical rhythm
 */
h1,
h2,
h3,
h4,
h5,
h6,
p,
blockquote,
pre,
ul,
ol,
dl,
figure,
%vertical-rhythm {
  margin-bottom: calc(var(--spacing-unit) / 2);
}

/**
 * `main` element
 */
main {
  display: block; /* Default value of `display` of `main` element is 'inline' in IE 11. */
}

/**
 * Images
 */
img {
  max-width: 100%;
  vertical-align: middle;
}

/**
 * Figures
 */
figure > img {
  display: block;
}

figcaption {
  font-size: $small-font-size;
}

/**
 * Lists
 */
ul,
ol {
  margin-left: var(--spacing-unit);
}

li {
  > ul,
  > ol {
    margin-bottom: 0;
  }
}

/**
 * Headings
 */
h1,
h2,
h3,
h4,
h5,
h6 {
  font-weight: $base-font-weight;
  font-weight: bold;
}

/**
 * Links
 */
a {
  color: $brand-color;
  text-decoration: none;

  &:hover {
    text-decoration: underline;
  }

  .social-media-list &:hover {
    text-decoration: none;

    .username {
      text-decoration: underline;
    }
  }
}

/**
 * Blockquotes
 */
blockquote {
  color: $grey-color;
  border-left: 4px solid $grey-color-light;
  padding-left: calc(var(--spacing-unit) / 2);
  @include relative-font-size(1.125);
  letter-spacing: -1px;
  font-style: italic;

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

/**
 * Code formatting
 */
pre,
code {
  font-size: 0.9375em;
  border: 1px solid hsla(0, 0%, 100%, 0.1);
  padding: 3em;
  // background-color: var(--background-color);
}

code {
  padding: 1px 5px;
  background-color: rgba(255, 168, 106, 0.2);
  color: var(--brand-color);
  margin: 0 2px;
  padding: 1px 6px;
  border: none;
}

pre {
  padding: 8px 12px;
  padding: 1.25em;
  overflow-x: auto;

  > code {
    background-color: unset;
    border: 0;
    padding-right: 0;
    padding-left: 0;
  }
}

.highlight {
  position: relative;
}

.highlight > button {
  all: unset;
  opacity: 0;
  position: absolute;
  top: 1rem;
  right: 1rem;
  z-index: 100;
  cursor: pointer;

  background: hsla(0, 0%, 87.8%, 0.2) !important;
  border-radius: 0 !important;
  box-shadow: 0 2px 0 0 rgba(0, 0, 0, 0.2) !important;
  color: #bbb !important;
  font-size: 0.8em !important;
  margin: 6px !important;
  padding: 10px !important;
  transition: opacity 0.5s ease;
}

.highlight:hover > button {
  opacity: 1;
}

.highlight > button:active,
.highlight > button:focus {
  opacity: 1;
}

/**
 * Clearfix
 */
%clearfix:after {
  content: "";
  display: table;
  clear: both;
}

/**
 * Icons
 */

.svg-icon {
  width: 21px;
  height: 16px;
  display: inline-block;
  fill: #{$grey-color};
  padding-right: 5px;
  vertical-align: middle;
}

.social-media-list {
  li + li {
    padding-top: 5px;
  }
}

/**
 * Tables
 */
table {
  margin-bottom: var(--spacing-unit);
  width: 100%;
  text-align: $table-text-align;
  color: lighten($text-color, 18%);
  border-collapse: collapse;
  border: 1px solid $grey-color-light;
  tr {
    &:nth-child(even) {
      background-color: lighten($grey-color-light, 6%);
    }
  }
  th,
  td {
    padding: calc(var(--spacing-unit) / 3) calc(var(--spacing-unit) / 2);
  }
  th {
    background-color: lighten($grey-color-light, 3%);
    border: 1px solid darken($grey-color-light, 4%);
    border-bottom-color: darken($grey-color-light, 12%);
  }
  td {
    border: 1px solid $grey-color-light;
  }
}