$note-tip: hsl(40, 100%, 50%);
$note-info: hsl(200, 100%, 50%);
$note-warn: hsl(0, 100%, 50%);
$sidebar-width: 30%;
$gutter-width: 20px;
$line-height: 24px;
$color-default: #40444b;
$color-border: #e3e3e3;
$color-link: #fa9d01;
$color-link-hover: lighten($color-link, 10%);

.wrapper {
  // clearfix()
  @media screen {
    max-width: 1240px;
    margin: 0 auto;
    padding: 20px;
  }
}

.page-intro {
  padding: 98px 20px 0;
  background-image: url(../img/head_bg.png);
}

.wrapper:before, .wrapper:after {
  content: "";
  display: table;
}

.wrapper:after {
  clear: both;
}

#content-wrap {
  background: $colorWhite;
  border-bottom: 1px solid darken(#363763, 5%);
  margin: -1px 0;
}

#content {
  // clearfix()
  position: relative;
  padding-top: 0;
}

#content-inner {
  display: flex;
}

#content-inner-full {
  // clearfix()
  @media screen and (min-width: 820px) {
    margin-left: 0;
  }
}

.article-container {
  @media screen and (min-width: 820px) {
    float: right;
    width: 100%;
  }
}

.article-inner:before, .article-inner:after {
  content: "";
  display: table;
}

.inner {
  @media screen {
    padding: 0 $gutter-width;
  }
}
.inner:before, .inner:after {
  content: "";
  display: table;
}

.article {
  float: left;
  width: 100%;
  padding: 20px 0;
  @media print {
    padding: 0;
  }
}

#article-toc {
  display: none;
  float: right;
  width: $sidebar-width;
  margin-right: $sidebar-width * -1;
  opacity: 0.8;
  @media screen and (min-width: 820px) {
    display: block;
  }
  @media screen and (max-width: 1450px) {
    display: none;
  }
  &.fixed {
    position: absolute;
    top: 0;
    bottom: 0;
    right: 0;
  }
}

#article-toc-inner {
  @extend .inner;
  overflow-x: hidden;
  overflow-y: auto;
  width: $sidebar-width;
  .fixed & {
    position: fixed;
    top: 0;
    bottom: 0;
  }
}

.toc-link {
  @extend .sidebar-link;
}

.toc-child {
  padding-left: 1em;
  font-size: 0.9em;
}

#article-toc-top {
  margin-top: 2em;
  font-size: 0.9em;
  text-decoration: none;
  color: color-default;
  display: block;
  margin-bottom: 40px;
  font-family: $InterUI;
  &:hover {
    color: $color-link-hover;
  }
}

.article-header {
  max-width: 1200px;
  margin: 0 auto;
  padding: 90px 0 20px;
  display: flex;
  justify-content: space-between;
}

.article-title {
  font-family: $InterUI;
  font-size: 26px;
  line-height: 32px;
  font-weight: 300;
  text-decoration: none;
  font-weight: bold;
  font-size: 25px;
  color: #ffffff;
  transition: 0.2s;
  a {
    &:hover {
      color: $color-link-hover;
    }
  }
  .post & {
    float: none;
  }
}

.article-date {
  color: color-gray;
  text-decoration: none;
  display: inline-block;
  margin-top: 1em;
  &:hover {
    color: $color-link-hover;
  }
}

.article-edit-link {
  font-style: normal;
  font-weight: normal;
  line-height: normal;
  font-size: 15px;
  color: #ffffff;
  display: none;
  align-items: flex-end;
  text-decoration: none;
  &:hover {
    opacity: 0.7;
  }
  @media screen and (min-width: 820px) {
    display: flex;
  }
}

.article-edit-link:hover {
  opacity: 0.7;
}

@media screen and (min-width: 820px) {
  .article-edit-link {
    display: -webkit-box;
    display: -moz-box;
    display: -webkit-flex;
    display: -ms-flexbox;
    display: box;
    display: flex;
  }
}

.article-anchor {
  margin-left: 10px;
  display: none;
  &:before {
    content: "#";
  }
  @media print {
    display: none !important;
  }
  .article-heading:hover & {
    display: inline-block;
  }
}

.article-content {
  line-height: $line-height;
  color: $color-default;
  max-width: 90% !important;
  @media print {
    font-size: 12pt;
  }
  p, ol, ul, dl, table, blockquote, iframe, .highlight {
    max-width: 80% !important;
    margin: 1em 0;
  }
  h1 {
    font-size: 26px;
  }
  h2 {
    font-size: 20px;
  }
  h3 {
    font-size: 18px;
  }
  h1, h2, h3, h4, h5, h6 {
    line-height: 1em;
    font-weight: bold;
    margin: 1em 0;
    color: $colorBlack;
  }
  a {
    color: #000000;
    text-decoration: underline;
    &:hover {
      color: $color-link-hover;
      text-decoration: underline;
    }
    @media print {
      // color: color-default;
      text-decoration: underline;
      &:after {
        content: " (" attr(href) ")";
        font-size: 80%;
      }
    }
  }
  strong {
    font-weight: bold;
  }
  em {
    font-style: italic;
  }
  ul, ol, dl {
    margin-left: 20px;
    ul, ol, dl {
      margin-top: 0;
      margin-bottom: 0;
    }
  }
  ul {
    list-style: disc;
  }
  ol {
    list-style: decimal;
  }
  dl {
    list-style: square;
  }
  li {
    p {
      margin: 0;
    }
    table, blockquote, iframe, .highlight {
      margin: 1em 0;
    }
  }
  img, video {
    max-width: 90%;
  }
  blockquote {
    padding: 0 20px;
    position: relative;
    border: 1px solid $color-border;
    border-left: 5px solid #ddd;
    footer {
      margin: 1em 0;
      font-style: italic;
      cite {
        &:before {
          content: "—";
          padding: 0 0.3em;
        }
        a {
          color: color-grey;
        }
      }
    }
  }
  .note {
    &.tip {
      border-left-color: $note-tip;
    }
    &.info {
      border-left-color: $note-info;
    }
    &.warn {
      border-left-color: $note-warn;
    }
  }
  .note-title {
    margin: 1em 0;
    display: block;
    font-size: 1.3em;
    font-weight: bold;
  }
  table {
    max-width: 100%;
    border: 1px solid $color-border;
    th {
      font-weight: bold;
    }
    th, td {
      padding: 5px 15px;
    }
    tr {
      &:nth-child(2n) {
        background: #eee;
      }
    }
  }
}

.article-footer {
  // clearfix()
  margin: 1em 0;
  border-top: 1px solid $color-border;
  text-align: center;
  color: color-gray;
  line-height: 1em;
  padding-top: 1em;
  position: relative;
  background: transparent;
  @media print {
    display: none;
  }
}

article-footer-link {
  color: $color-link;
  text-decoration: none;
  font-weight: bold;
  font-family: $InterUI;
  text-transform: uppercase;
  position: absolute;
  &:hover {
    color: $color-link-hover;
  }
  @media print {
    display: none;
  }
  span {
    padding: 0 6px;
  }
}

.article-footer-prev {
  @extend article-footer-link;
  left: 0;
}

.article-footer-next {
  @extend article-footer-link;
  right: 0;
}

.article-footer-updated {
  font-size: 0.9em;
}

@media screen and (max-width: 819px) {
  .article-footer-updated {
    font-size: 0.7em;
  }
}

#comments {
  @media print {
    display: none;
  }
}