// ------------------------------------------
// CODE HIGHLIGHTER
//   Based on Prism.js - Coy Theme
//   @origin Tim Shedor
//     https://github.com/tshedor/workshop-wp-theme
// -------------------------------------------------------

$code-font-family   : "Consolas", Courier, "monospace" !default;
$code-theme         : light !default; // dark or light
$code-margin-bottom : 1.5em !default;
@if $include-typography {
  $code-margin-bottom : $p-margin-bottom;
}

$code-markup-color  : $blue-color;
$code-js-color      : #ff8f00; // orange
$code-css-color     : $green-color;
$code-ruby-color    : $red-color;
$code-php-color     : #626293; // purple
$code-sass-color    : #c6538c; // pink

$code-python-color  : #376a94; // dark-blue

// Add decoration to the code-block
@mixin code-decor($color) {

  &:after {
    background: $color;
  }

  code {
    @include background-image(linear-gradient(transparent 50%, rgba($color, .04) 50% ) );
  }

  .line-highlight:before,
  .line-highlight[data-end]:after {
    background: $color;
  }
}

// Add styling to code-block
@mixin code-block($theme: $code-theme) {
  @if $code-theme == light {
    @include contrasted(#fff);
  } @else if $code-theme == dark {
    @include contrasted(#252525);
  }
}

@if $include-code {
/* ----------------------
  EDGE CODE Highlighter
---------------------- */

// Reset
code, kbd, samp {
  display: inline-block;
  &, pre {
    font-size: 1em;
    font-family: $code-font-family;
  }
}

pre,
code {
  @include code-block();
  
  white-space: pre;
  word-spacing: normal;

  @include css3(tab-size, 2, $webkit:false, $moz:true, $ms:false, $o:true);
  @include css3(hyphens, none, $webkit:true, $moz:true, $ms:true, $o:false);
}

pre {
  position: relative;
  overflow: auto;
  padding: 0;
  margin-bottom: $code-margin-bottom;
  max-height: 30em;

  @include code-decor($passive-color);

  @include box-shadow(-1px 0px 0px 0px #ddd, 0px 0px 0px 1px #ddd);
  
  @include small {
    &:hover {
      &:after {
        opacity: 0;
      }
    }
  }

  &:after {
    content: "";
    position: absolute;
    top: .5em;
    right: .5em;

    width: 1em;
    height: 1em;

    background: $passive-color;
    opacity: .2;

    padding: em(5px 10px);
    font-family: $code-font-family;
    color: white;
    text-transform: uppercase;

    @include transition($g-transition);
  }

  &[data-lang="markup"] {
    @include code-decor($code-markup-color);
  }

  &[data-lang="css"] {
    @include code-decor($code-css-color);
  }

  &[data-lang="javascript"] {
    @include code-decor($code-js-color);
  }

  &[data-lang="ruby"] {
    @include code-decor($code-ruby-color);
  }

  &[data-lang="python"] {
    @include code-decor($code-python-color);
  }

  > code {
    display: block;
    overflow: visible;
    background-size: 3em 3em;
    background-origin: content-box;
    padding-left: 0.5em;
  }
}

:not(pre) {
  > code {
    @include code-block();
  }
}

/* Inline code */
:not(pre) > code[class*="language-"] {
  display: inline-block;
  overflow: hidden;
  position:relative;
  padding: 0;
  color: #c92c2c;
  vertical-align: bottom;
}

.token.comment,
.token.block-comment,
.token.prolog,
.token.doctype,
.token.cdata {
  color: #7D8B99;
}

.token.punctuation {
  color: #5F6364;
}

.token.property,
.token.tag,
.token.boolean,
.token.number,
.token.function-name,
.token.constant,
.token.symbol {
  color: #c92c2c;
}

.token.selector,
.token.attr-name,
.token.string,
.token.function,
.token.builtin {
  color: #2f9c0a;
}

.token.operator,
.token.entity,
.token.url,
.token.variable {
  color: #a67f59;
  background: rgba(255, 255, 255, 0.5);
}

.token.atrule,
.token.attr-value,
.token.keyword,
.token.class-name {
  color: #1990b8;
}

.token.regex,
.token.important {
  color: #e90;
}

[data-lang="css"] .token.string,
.style .token.string {
  color: #a67f59;
  background: rgba(255, 255, 255, 0.5);
}

.token.important {
  font-weight: normal;
}

.token.entity {
  cursor: help;
}

.namespace {
  opacity: .7;
}

/* Plugin styles */

.token.tab:not(:empty):before,
.token.cr:before,
.token.lf:before {
  color: #e0d7d1;
}

/* Line Highlighter */

.line-highlight {
  position: absolute;
  left: 0;
  right: 0;
  padding: inherit 0;

  background: hsla(24, 20%, 50%,.08);
  background: -moz-linear-gradient(left, hsla(24, 20%, 50%,.1) 70%, hsla(24, 20%, 50%,0));
  background: -webkit-linear-gradient(left, hsla(24, 20%, 50%,.1) 70%, hsla(24, 20%, 50%,0));
  background: -o-linear-gradient(left, hsla(24, 20%, 50%,.1) 70%, hsla(24, 20%, 50%,0));
  background: linear-gradient(left, hsla(24, 20%, 50%,.1) 70%, hsla(24, 20%, 50%,0));
  
  pointer-events: none;
  
  line-height: inherit;
  white-space: pre;
}

  .line-highlight:before,
  .line-highlight[data-end]:after {
    content: attr(data-start);
    position: absolute;
    z-index: 2;
    top: .4em;
    left: .5em;
    min-width: 1em;
    padding: 0 .5em;
    color: hsl(24, 20%, 95%);
    font: bold 65%/1.5 sans-serif;
    text-align: center;
    vertical-align: .3em;
    border-radius: 999px;
    text-shadow: none;
    box-shadow: 0 1px white;
  }
  
  .line-highlight[data-end]:after {
    content: attr(data-end);
    top: auto;
    bottom: .4em;
  }

/* Line numbers */

pre.line-numbers {
  position: relative;
  counter-reset: linenumber;
}

pre.line-numbers > code {
  position: relative;
  padding-left: 2.5em;
}

.line-numbers .line-numbers-rows {
  position: absolute;
  pointer-events: none;
  top: 0;
  font-size: 100%;
  left: .5em;
  letter-spacing: -1px;

  -webkit-user-select: none;
  -moz-user-select: none;
  -ms-user-select: none;
  user-select: none;

}

  .line-numbers-rows > span {
    pointer-events: none;
    display: block;
    counter-increment: linenumber;
  }

    .line-numbers-rows > span:before {
      content: counter(linenumber);
      color: #ddd;
      display: block;
      padding-right: 0.8em;
      text-align: right;
    }

} // $include-code