@import 'normalize';
@import 'rouge-github';
@import 'variables';
@import url('https://fonts.googleapis.com/css?family=Open+Sans:400,700&display=swap');

@mixin large {
  @media screen and (min-width: #{$large-breakpoint}) {
    @content;
  }
}

@mixin medium {
  @media screen and (min-width: #{$medium-breakpoint}) and (max-width: #{$large-breakpoint}) {
    @content;
  }
}

@mixin small {
  @media screen and (max-width: #{$medium-breakpoint}) {
    @content;
  }
}

* {
  box-sizing: border-box;
}

body {
  padding: 0;
  margin: 0;
  font-family: 'Open Sans', 'Helvetica Neue', Helvetica, Arial, sans-serif;
  font-size: 16px;
  line-height: 1.5;
  color: $body-text-color;
}

#skip-to-content {
  height: 1px;
  width: 1px;
  position: absolute;
  overflow: hidden;
  top: -10px;

  &:focus {
    position: fixed;
    top: 10px;
    left: 10px;
    height: auto;
    width: auto;
    background: invert($body-link-color);
    outline: thick solid invert($body-link-color);
  }
}

a {
  color: $body-link-color;
  text-decoration: none;

  &:hover {
    text-decoration: underline;
  }
}

.btn {
  display: inline-block;
  margin-bottom: 1rem;
  color: rgba(255, 255, 255, 0.7);
  background-color: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.2);
  border-style: solid;
  border-width: 1px;
  border-radius: 0.3rem;
  transition:
    color 0.2s,
    background-color 0.2s,
    border-color 0.2s;

  &:hover {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    background-color: rgba(255, 255, 255, 0.2);
    border-color: rgba(255, 255, 255, 0.3);
  }

  + .btn {
    margin-left: 1rem;
  }

  @include large {
    padding: 0.75rem 1rem;
  }

  @include medium {
    padding: 0.6rem 0.9rem;
    font-size: 0.9rem;
  }

  @include small {
    display: block;
    width: 100%;
    padding: 0.75rem;
    font-size: 0.9rem;

    + .btn {
      margin-top: 1rem;
      margin-left: 0;
    }
  }
}

.page-header {
  color: $header-heading-color;
  text-align: center;
  background-color: $header-bg-color;
  background-image: linear-gradient(
    120deg,
    $header-bg-color-secondary,
    $header-bg-color
  );

  @include large {
    padding: 5rem 6rem;
  }

  @include medium {
    padding: 3rem 4rem;
  }

  @include small {
    padding: 2rem 1rem;
  }
}

.project-name {
  margin-top: 0;
  margin-bottom: 0.1rem;

  @include large {
    font-size: 3.25rem;
  }

  @include medium {
    font-size: 2.25rem;
  }

  @include small {
    font-size: 1.75rem;
  }
}

.project-tagline {
  margin-bottom: 2rem;
  font-weight: normal;
  opacity: 0.7;

  @include large {
    font-size: 1.25rem;
  }

  @include medium {
    font-size: 1.15rem;
  }

  @include small {
    font-size: 1rem;
  }
}

.main-content {
  word-wrap: break-word;

  :first-child {
    margin-top: 0;
  }

  @include large {
    padding: 2rem 6rem;
    margin: 0 auto;
    font-size: 1.1rem;
  }

  @include medium {
    padding: 2rem 4rem;
    font-size: 1.1rem;
  }

  @include small {
    padding: 2rem 1rem;
    font-size: 1rem;
  }

  kbd {
    background-color: #fafbfc;
    border: 1px solid #c6cbd1;
    border-bottom-color: #959da5;
    border-radius: 3px;
    box-shadow: inset 0 -1px 0 #959da5;
    color: #444d56;
    display: inline-block;
    font-size: 11px;
    line-height: 10px;
    padding: 3px 5px;
    vertical-align: middle;
  }

  img {
    max-width: 100%;
  }

  h1,
  h2,
  h3,
  h4,
  h5,
  h6 {
    margin-top: 2rem;
    margin-bottom: 1rem;
    font-weight: normal;
    color: $section-headings-color;
  }

  p {
    margin-bottom: 1em;
  }

  code {
    padding: 2px 4px;
    font-family: Consolas, 'Liberation Mono', Menlo, Courier, monospace;
    font-size: 0.9rem;
    color: $code-text-color;
    background-color: $code-bg-color;
    border-radius: 0.3rem;
  }

  pre {
    padding: 0.8rem;
    margin-top: 0;
    margin-bottom: 1rem;
    font:
      1rem Consolas,
      'Liberation Mono',
      Menlo,
      Courier,
      monospace;
    color: $code-text-color;
    word-wrap: normal;
    background-color: $code-bg-color;
    border: solid 1px $border-color;
    border-radius: 0.3rem;

    > code {
      padding: 0;
      margin: 0;
      font-size: 0.9rem;
      color: $code-text-color;
      word-break: normal;
      white-space: pre;
      background: transparent;
      border: 0;
    }
  }

  .highlight {
    margin-bottom: 1rem;

    pre {
      margin-bottom: 0;
      word-break: normal;
    }
  }

  .highlight pre,
  pre {
    padding: 0.8rem;
    overflow: auto;
    font-size: 0.9rem;
    line-height: 1.45;
    border-radius: 0.3rem;
    -webkit-overflow-scrolling: touch;
  }

  pre code,
  pre tt {
    display: inline;
    max-width: initial;
    padding: 0;
    margin: 0;
    overflow: initial;
    line-height: inherit;
    word-wrap: normal;
    background-color: transparent;
    border: 0;

    &:before,
    &:after {
      content: normal;
    }
  }

  ul,
  ol {
    margin-top: 0;
  }

  blockquote {
    padding: 0 1rem;
    margin-left: 0;
    color: $blockquote-text-color;
    border-left: 0.3rem solid $border-color;

    > :first-child {
      margin-top: 0;
    }

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

  table {
    display: block;
    width: 100%;
    overflow: auto;
    word-break: normal;
    word-break: keep-all; // For Firefox to horizontally scroll wider tables.
    -webkit-overflow-scrolling: touch;

    th {
      font-weight: bold;
    }

    th,
    td {
      padding: 0.5rem 1rem;
      border: 1px solid $table-border-color;
    }
  }

  dl {
    padding: 0;

    dt {
      padding: 0;
      margin-top: 1rem;
      font-size: 1rem;
      font-weight: bold;
    }

    dd {
      padding: 0;
      margin-bottom: 1rem;
    }
  }

  hr {
    height: 2px;
    padding: 0;
    margin: 1rem 0;
    background-color: $hr-border-color;
    border: 0;
  }
}

.site-footer {
  padding-top: 2rem;
  margin-top: 2rem;
  border-top: solid 1px $hr-border-color;

  @include large {
    font-size: 1rem;
  }

  @include medium {
    font-size: 1rem;
  }

  @include small {
    font-size: 0.9rem;
  }
}

.site-footer-owner {
  display: block;
  font-weight: bold;
}

.site-footer-credits {
  color: $blockquote-text-color;
}

.content-wrapper {
  display: flex;
  width: 100%;
}

.side-navigation {
  position: sticky;
  top: 50px;
  left: 20px;
  width: 300px;
  padding: 10px;
  background-color: #f9f9f9;
  border: 1px solid #ccc;
  border-radius: 8px;
  max-height: calc(100vh - 120px);
  overflow-y: auto;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.side-navigation ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.side-navigation ul li {
  margin-bottom: 8px;
}

.side-navigation ul li a {
  display: block;
  padding: 5px 10px;
  text-decoration: none;
  color: #333;
  font-size: 14px;
  border-radius: 4px;
  transition: all 0.3s ease;
}

.side-navigation ul li a.active {
  background-color: #159957;
  color: #fff;
  font-weight: bold;
}

.sub-content-wrapper {
  display: flex;
  column-gap: 50px;
}

h2 {
  margin-top: 100px;
}