/**
 * Custom dark theme for reveal.js theme, with headers capitalized but smaller.
 *
 * By Anoduck, the anonymous duck. Based on black-contrast.(s)css by Peter Kehl, which was based on black.(s)css by Hakim El Hattab, http://hakim.se
 *
 * - Keep the source similar to black.css - for easy comparison.
 * - $mainFontSize controls code blocks, too (although under some ratio).
 */
/**
//  * @use "sass:color";

// // Base settings for all themes that can optionally be
// // overridden by the super-theme

// // Background of the presentation
// $backgroundColor: #2b2b2b;

// // Primary/body text
// $mainFont: 'Lato', sans-serif;
// $mainFontSize: 40px;
// $mainColor: #eee;

// // Vertical spacing between blocks of text
$blockMargin: 20px;

//// Headings
// $headingMargin: 0 0 $blockMargin 0;
// $headingFont: 'League Gothic', Impact, sans-serif;
// $headingColor: #eee;
// $headingLineHeight: 1.2;
// $headingLetterSpacing: normal;
// $headingTextTransform: uppercase;
// $headingTextShadow: none;
// $headingFontWeight: normal;
// $heading1TextShadow: $headingTextShadow;

// $heading1Size: 3.77em;
// $heading2Size: 2.11em;
// $heading3Size: 1.55em;
// $heading4Size: 1.00em;

// $codeFont: monospace;

// // Links and actions
// $linkColor: #13DAEC;
// $linkColorHover: color.scale( $linkColor, $lightness: 20% );

// // Text selection
// $selectionBackgroundColor: #FF5E99;
// $selectionColor: #fff;

// // Colors used for UI elements that are overlaid on top of
// // the presentation
// $overlayElementBgColor: 240, 240, 240;
// $overlayElementFgColor: 0, 0, 0;

// // Generates the presentation background, can be overridden
// // to return a background image or gradient
// @mixin bodyBackground() {
// 	background: $backgroundColor;
// }

//  */
@import url(./fonts/source-sans-pro/source-sans-pro.css);
:root {
  --text-shadow: 0.5rem 0.5rem 1rem black, 0.2rem 0.2rem 0.5rem black, 0.1rem 0.1rem 0.2rem black, 0 0 0.1rem black;
  --heading-shadow: 0.5rem 0.5rem 1rem black, 0.2rem 0.2rem 0.5rem black, 0.1rem 0.1rem 0.2rem black, 0 0 0.1rem black;
  --box-shadow: 0.5rem 0.5rem 1rem black, 0.2rem 0.2rem 0.5rem black, 0.1rem 0.1rem 0.2rem black, 0 0 0.1rem black;
}

p {
  text-shadow: var(--text-shadow);
}

ul, ol {
  text-shadow: var(--text-shadow);
}

.image {
  box-shadow: var(--box-shadow);
  border-radius: 0.5rem;
}

section.has-light-background, section.has-light-background h1, section.has-light-background h2, section.has-light-background h3, section.has-light-background h4, section.has-light-background h5, section.has-light-background h6 {
  color: #000;
}

/*********************************************
 * GLOBAL STYLES
 *********************************************/
:root {
  --r-background-color: #2b2b2b;
  --r-main-font: Source Sans Pro, Helvetica, sans-serif;
  --r-main-font-size: 2rem;
  --r-main-color: lightgray;
  --r-block-margin: 20px;
  --r-heading-margin: 0 0 20px 0;
  --r-heading-font: Source Sans Pro, Helvetica, sans-serif;
  --r-heading-color: lightgrey;
  --r-heading-line-height: 1.2;
  --r-heading-letter-spacing: normal;
  --r-heading-text-transform: uppercase;
  --r-heading-text-shadow: var(--heading-shadow);
  --r-heading-font-weight: normal;
  --r-heading1-text-shadow: var(--heading-shadow);
  --r-heading1-size: 6rem;
  --r-heading2-size: 4.5rem;
  --r-heading3-size: 3rem;
  --r-heading4-size: 2rem;
  --r-code-font: monospace;
  --r-link-color: magenta;
  --r-link-color-dark: rgb(216.75, 0, 216.75);
  --r-link-color-hover: rgb(255, 38.25, 255);
  --r-selection-background-color: rgb(255, 63.75, 255);
  --r-selection-color: #fff;
  --r-overlay-element-bg-color: 240, 240, 240;
  --r-overlay-element-fg-color: 0, 0, 0;
}

.reveal-viewport {
  background: #2b2b2b;
  background-color: var(--r-background-color);
}

.reveal {
  font-family: var(--r-main-font);
  font-size: var(--r-main-font-size);
  font-weight: normal;
  color: var(--r-main-color);
}

.reveal ::selection {
  color: var(--r-selection-color);
  background: var(--r-selection-background-color);
  text-shadow: none;
}

.reveal ::-moz-selection {
  color: var(--r-selection-color);
  background: var(--r-selection-background-color);
  text-shadow: none;
}

.reveal .slides section,
.reveal .slides section > section {
  line-height: 1.3;
  font-weight: inherit;
}

/*********************************************
 * HEADERS
 *********************************************/
.reveal h1,
.reveal h2,
.reveal h3,
.reveal h4,
.reveal h5,
.reveal h6 {
  margin: var(--r-heading-margin);
  color: var(--r-heading-color);
  font-family: var(--r-heading-font);
  font-weight: var(--r-heading-font-weight);
  line-height: var(--r-heading-line-height);
  letter-spacing: var(--r-heading-letter-spacing);
  text-transform: var(--r-heading-text-transform);
  text-shadow: var(--r-heading-text-shadow);
  word-wrap: break-word;
}

.reveal h1 {
  font-size: var(--r-heading1-size);
}

.reveal h2 {
  font-size: var(--r-heading2-size);
}

.reveal h3 {
  font-size: var(--r-heading3-size);
}

.reveal h4 {
  font-size: var(--r-heading4-size);
}

.reveal h1 {
  text-shadow: var(--r-heading1-text-shadow);
}

/*********************************************
 * OTHER
 *********************************************/
.reveal p {
  margin: var(--r-block-margin) 0;
  line-height: 1.3;
}

/* Remove trailing margins after titles */
.reveal h1:last-child,
.reveal h2:last-child,
.reveal h3:last-child,
.reveal h4:last-child,
.reveal h5:last-child,
.reveal h6:last-child {
  margin-bottom: 0;
}

/* Ensure certain elements are never larger than the slide itself */
.reveal img,
.reveal video,
.reveal iframe {
  max-width: 95%;
  max-height: 95%;
}

.reveal strong,
.reveal b {
  font-weight: bold;
}

.reveal em {
  font-style: italic;
}

.reveal ol,
.reveal dl,
.reveal ul {
  display: inline-block;
  text-align: left;
  margin: 0 0 0 1em;
}

.reveal ol {
  list-style-type: decimal;
}

.reveal ul {
  list-style-type: disc;
}

.reveal ul ul {
  list-style-type: square;
}

.reveal ul ul ul {
  list-style-type: circle;
}

.reveal ul ul,
.reveal ul ol,
.reveal ol ol,
.reveal ol ul {
  display: block;
  margin-left: 40px;
}

.reveal dt {
  font-weight: bold;
}

.reveal dd {
  margin-left: 40px;
}

.reveal blockquote {
  display: block;
  position: relative;
  width: 70%;
  margin: var(--r-block-margin) auto;
  padding: 5px;
  font-style: italic;
  background: rgba(255, 255, 255, 0.05);
  box-shadow: 0px 0px 2px rgba(0, 0, 0, 0.2);
}

.reveal blockquote p:first-child,
.reveal blockquote p:last-child {
  display: inline-block;
}

.reveal q {
  font-style: italic;
}

.reveal pre {
  display: block;
  position: relative;
  width: 90%;
  margin: var(--r-block-margin) auto;
  text-align: left;
  font-size: 0.55em;
  font-family: var(--r-code-font);
  line-height: 1.2em;
  word-wrap: break-word;
  box-shadow: 0px 5px 15px rgba(0, 0, 0, 0.15);
}

.reveal code {
  font-family: var(--r-code-font);
  text-transform: none;
  tab-size: 2;
}

.reveal pre code {
  display: block;
  padding: 5px;
  overflow: auto;
  max-height: 400px;
  word-wrap: normal;
}

.reveal .code-wrapper {
  white-space: normal;
}

.reveal .code-wrapper code {
  white-space: pre;
}

.reveal table {
  margin: auto;
  border-collapse: collapse;
  border-spacing: 0;
}

.reveal table th {
  font-weight: bold;
}

.reveal table th,
.reveal table td {
  text-align: left;
  padding: 0.2em 0.5em 0.2em 0.5em;
  border-bottom: 1px solid;
}

.reveal table th[align=center],
.reveal table td[align=center] {
  text-align: center;
}

.reveal table th[align=right],
.reveal table td[align=right] {
  text-align: right;
}

.reveal table tbody tr:last-child th,
.reveal table tbody tr:last-child td {
  border-bottom: none;
}

.reveal sup {
  vertical-align: super;
  font-size: smaller;
}

.reveal sub {
  vertical-align: sub;
  font-size: smaller;
}

.reveal small {
  display: inline-block;
  font-size: 0.6em;
  line-height: 1.2em;
  vertical-align: top;
}

.reveal small * {
  vertical-align: top;
}

.reveal img {
  margin: var(--r-block-margin) 0;
}

/*********************************************
 * LINKS
 *********************************************/
.reveal a {
  color: var(--r-link-color);
  text-decoration: none;
  transition: color 0.15s ease;
}

.reveal a:hover {
  color: var(--r-link-color-hover);
  text-shadow: none;
  border: none;
}

.reveal .roll span:after {
  color: #fff;
  background: var(--r-link-color-dark);
}

/*********************************************
 * Frame helper
 *********************************************/
.reveal .r-frame {
  border: 4px solid var(--r-main-color);
  box-shadow: 0 0 10px rgba(0, 0, 0, 0.15);
}

.reveal a .r-frame {
  transition: all 0.15s linear;
}

.reveal a:hover .r-frame {
  border-color: var(--r-link-color);
  box-shadow: 0 0 20px rgba(0, 0, 0, 0.55);
}

/*********************************************
 * NAVIGATION CONTROLS
 *********************************************/
.reveal .controls {
  color: var(--r-link-color);
}

/*********************************************
 * PROGRESS BAR
 *********************************************/
.reveal .progress {
  background: rgba(0, 0, 0, 0.2);
  color: var(--r-link-color);
}

/*********************************************
 * PRINT BACKGROUND
 *********************************************/
@media print {
  .backgrounds {
    background-color: var(--r-background-color);
  }
}