---
---

//----------------------------------------
// Colors.
//----------------------------------------

// branding
$color-brand:       #2b3990 !default;

// code boxes
$color-error:       #bd2c00 !default;
$color-output:      #303030 !default;
$color-source:      #6e5494 !default;

// blockquotes
$color-callout:     #f4fd9c !default;
$color-challenge:   #eec275 !default;
$color-checklist:   #dfd2a0 !default;
$color-discussion:  #eec275 !default;
$color-keypoints:   #7ae78e !default;
$color-objectives:  #daee84 !default;
$color-prereq:      #9cd6dc !default;
$color-solution:    #ded4b9 !default;
$color-testimonial: #fc8dc1 !default;

//----------------------------------------
// Specialized code blocks.
//----------------------------------------

@mixin cdSetup($color) {
  color: $color;
  border-left: solid 5px $color;
  margin-bottom: 0px;
}

.error  { @include cdSetup($color-error); }
.output { @include cdSetup($color-output); }
.source { @include cdSetup($color-source); }

.bash   { @include cdSetup($color-source); }
.make   { @include cdSetup($color-source); }
.matlab { @include cdSetup($color-source); }
.python { @include cdSetup($color-source); }
.r      { @include cdSetup($color-source); }
.sql    { @include cdSetup($color-source); }

//----------------------------------------
// Specialized blockquote environments for learning objectives, callouts, etc.
//----------------------------------------

$codeblock-padding: 5px !default;

@mixin bkSetup($color, $glyph) {

  $gradientcolor1: $color;
  $gradientcolor2: scale-color($color, $lightness: 10%);

  padding-left: $codeblock-padding;
  padding-top: 0;
  padding-bottom: 0;
  padding-right: 0;
  border: 1px solid;
  border-color: $color;
  padding-bottom: $codeblock-padding;

  h2 {
    padding-top: $codeblock-padding;
    padding-bottom: $codeblock-padding;
    font-size: 20px;
    background: linear-gradient(to bottom, $gradientcolor1, $gradientcolor2);
    border-color: $color;
    margin-top: 0px;
    margin-left: -$codeblock-padding; // to move back to the left margin of the enclosing blockquote
  }
  h2:before {
    font-family: 'Glyphicons Halflings';
    content: $glyph;
    float: left;
    padding-left: $codeblock-padding;
    padding-right: $codeblock-padding;
    display: inline-block;
    -webkit-font-smoothing: antialiased;
  }

}

.callout{ @include bkSetup($color-callout, "\e146"); }
.challenge{ @include bkSetup($color-challenge, "\270f"); }
.checklist{ @include bkSetup($color-checklist, "\e067"); }
.discussion{ @include bkSetup($color-discussion, "\e123"); }
.keypoints{ @include bkSetup($color-keypoints, "\e101"); }
.objectives{ @include bkSetup($color-objectives, "\e085"); }
.prereq{ @include bkSetup($color-prereq, "\e124"); }
.solution{ @include bkSetup($color-solution, "\e105"); }
.testimonial{ @include bkSetup($color-testimonial, "\e143"); }

//----------------------------------------
// Override Bootstrap settings.
//----------------------------------------

code {
  padding: 0 0;
  color: inherit;
  background-color: inherit;
}

img {
  max-width: 100%;
}

//----------------------------------------
// Miscellaneous.
//----------------------------------------

.maintitle {
  text-align: center;
}

.footertext {
  text-align: center;
}

img.navbar-logo {
  height: 40px; // synchronize with height of navbar
  padding-top: 5px;
  padding-right: 10px;
}

div.branding {
  color: $color-brand;
}

ul,
ol {
  padding-left: 2em;
}

span.fold-unfold {
  margin-left: 1em;
  opacity: 0.5;
}
