/* http://meyerweb.com/eric/tools/css/reset/
   v2.0 | 20110126
   License: none (public domain)
*/

html, body, div, span, applet, object, iframe,
h1, h2, h3, h4, h5, h6, p, blockquote, pre,
a, abbr, acronym, address, big, cite, code,
del, dfn, em, img, ins, kbd, q, s, samp,
small, strike, strong, sub, sup, tt, var,
b, u, i, center,
dl, dt, dd, ol, ul, li,
fieldset, form, label, legend,
table, caption, tbody, tfoot, thead, tr, th, td,
article, aside, canvas, details, embed,
figure, figcaption, footer, header, hgroup,
menu, nav, output, ruby, section, summary,
time, mark, audio, video {
	margin: 0;
	padding: 0;
	border: 0;
	font-size: 100%;
	font: inherit;
	vertical-align: baseline;
}
article, aside, details, figcaption, figure,
footer, header, hgroup, menu, nav, section {
	display: block;
}
body {
	line-height: 1;
}
ol, ul {
	list-style: none;
}
blockquote, q {
	quotes: none;
}
blockquote:before, blockquote:after,
q:before, q:after {
	content: '';
	content: none;
}
table {
	border-collapse: collapse;
	border-spacing: 0;
}

/* Styling Rules go here */

:root {
  --border-radius: 4px;
  --border-width: 8px;
  --border-width-negative: -8px;
  --content-width: 660px;

/*  Base colors  */
  --color-black: black;
  --color-white: white;
  --color-navy: #1F2E4C;

/*  Primary colors  */
  --color-gray: #707372;
  --color-red: #EB5757;
  --color-purple: #90489C;

/*  Accent colors  */
  --color-yellow: #F2C94C;
  --color-light-orange: #F7E6CA;
  --color-light-green: #98E0B0;
}

* {
  box-sizing: border-box;
}

body {
  font-family: "Fira Mono", monaco, monospace;
  background: var(--color-navy);
  color: var(--color-white);
  font-weight: 500;
  margin: 2em .5em;
  font-size: 18px;
  -webkit-font-smoothing: antialiased;
}

code {
  color: var(--color-light-green);
}

header {
  text-align: center;
}

footer {
  opacity: .5;
}

a {
  color: inherit;
}

h1, h2, h3 {
  -webkit-font-smoothing: none;
  font-family: "Press Start 2P", "Helvetica Neue", helvetica, arial, sans-serif;
  font-weight: normal;
}

h1 {
  margin-bottom: .5em;
  text-align: center;
  font-size: 24px;
  color: var(--color-light-orange);
  text-shadow: 0 4px 0 rgba(0,0,0,.25);
}

header h1 a {
  text-decoration: none;
}

header h1 a:hover {
  text-decoration: underline
}

h2 {
  font-size: 20px;
  text-shadow: 0 4px 0 rgba(0,0,0,.25);
}

h3 {
  font-size: 16px;
  text-shadow: 0 4px 0 rgba(0,0,0,.25);
}

p, h1, h2, h3, pre {
  padding: .8em .4em;
  line-height: 1.25em;
  text-shadow: 0 2px 0 rgba(0,0,0,.25);
}

pre {
  font-size: .75em;
  overflow: scroll;
}

hr {
  border-style: solid;
  border-width: calc(var(--border-width) / 2);
/*   border-radius: var(--border-radius); */
  max-width: var(--content-width);
  margin: calc(var(--border-width) * 2);
  opacity: .35;
}

blockquote, pre {
  position: relative;
  z-index: 1;
}

blockquote:before {
  content: ' ';
  position: absolute;
  top: 0;
  left: 0;
  z-index: -1;
  width: 100%;
  height: 100%;
  background-color: var(--color-black);
  opacity: .35;
}

pre {
  background-color: rgba(0,0,0,.35);
}

.text-center {
  text-align: center;
}

img, iframe {
  max-width: 100%;
}

.highlight {
  color: var(--color-yellow);
}

.highlight-green {
  color: var(--color-light-green);
}

/* Buttons */
.btn {
  display: inline-block;
  padding: .75em 1em;
  font-family: "Press Start 2P", "Helvetica Neue", helvetica, arial, sans-serif;
  font-size: 15px;
  text-align: left;
  text-decoration: none;
  text-shadow: none;
  border: none;
  background: var(--color-white);
  color: var(--color-black);
}

.btn:hover {
  background: var(--color-yellow);
}

.btn span {
  float: right;
  padding-left: 1ch;
  margin-top: -2px;
}

span.arrow {
  margin-top: -4px;
  font-size: 18px;
}

span.arrow:after {
  content: '▶';
}

/* Outside of the box layout */
.content {
  max-width: var(--content-width);
  margin: 0 auto calc(var(--border-width) * 4) auto;
  padding: 0 var(--border-width);
}

/* Box layout */
.box {
  position: relative;
  display: flex;
  max-width: var(--content-width);
  flex-direction: column;
  margin: 0 auto calc(var(--border-width) * 4) auto;
  padding: 0;
  background: transparent;
  border: var(--border-width) solid var(--color-gray);
  border-radius: var(--border-radius);
}

.box p, .box h1, .box h2, .box h3, .box pre {
  padding: .8em .8em;
}

.box-layout-sidebar {
  flex-direction: row;
}

.box-header {
  display: inline-block;
  position: absolute;
  top: 0;
  left: 0;
  padding:
    calc(1em - var(--border-width))
    1em
    1em
    calc(1em - var(--border-width))!important;
  background: var(--color-gray);
  font-size: 15px;
}

.box-content {
  margin-top: 2em;
}

.box-footer {
  text-align: right;
}

.box-footer {
  margin-right: var(--border-width-negative);
}

.box-layout-default .box-footer {
  display: inline-flex;
  align-self: flex-end;
}

.box-layout-sidebar .box-footer {
  background: var(--color-gray);
  color: var(--color-white);
  min-width: 240px;
}

.box-layout-sidebar .box-footer .btn {
  display: block;
}

.box-layout-sidebar .box-footer .btn:first-of-type {
  border-top-width: 0px;
}

.box-layout-fullwidth .box-footer {
  display: flex;
  flex-wrap: wrap;
  align-content: stretch;
  margin-left: var(--border-width-negative);
  text-align: right;
  background: var(--color-gray);
}

.box-layout-fullwidth .box-footer .btn {
  display: inline-flex;
  flex-grow: 1;
}

.box-layout-fullwidth .box-footer .btn span {
  padding-left: 1ch;
  margin-left: auto;
}

.box .box-footer .btn {
  border-top: var(--border-width) solid var(--color-gray);
  border-left: var(--border-width) solid var(--color-gray);
}

/* Mobile box layout */

@media only screen and (max-width: 600px) {
  .box-layout-sidebar {
    flex-direction: column;
  }
  .box-layout-default .box-footer {
    width: calc(100% + var(--border-width) * 2);
  }
  .box-layout-sidebar .box-footer .btn:first-of-type {
    border-top-width: var(--border-width);
  }
  .box .box-footer {
    display: block;
    margin-left: var(--border-width-negative);
  }
  .box .box-footer .btn {
    display: block;
    position: relative;
    padding-right: 2.5em;
  }
  .box .box-footer .btn span {
    position: absolute;
    top: 0;
    padding: .75em 0;
    right: 1em;
  }
}

/* Box color variants */
.box-gray, .box-gray .box-footer .btn  {
  border-color: var(--color-gray);
}
.box-gray .box-header, .box-gray.box-layout-sidebar .box-footer,
.box-gray.box-layout-fullwidth .box-footer,
.box-gray blockquote:before {
  background-color: var(--color-gray);
}
.box-gray .arrow {
  color: var(--color-gray);
}


.box-red, .box-red .box-footer .btn  {
  border-color: var(--color-red);
}
.box-red .box-header, .box-red.box-layout-sidebar .box-footer,
.box-red.box-layout-fullwidth .box-footer,
.box-red blockquote:before {
  background-color: var(--color-red);
}
.box-red .arrow {
  color: var(--color-red);
}

.box-purple, .box-purple .box-footer .btn  {
  border-color: var(--color-purple);
}
.box-purple .box-header, .box-purple.box-layout-sidebar .box-footer,
.box-purple.box-layout-fullwidth .box-footer,
.box-purple blockquote:before {
  background-color: var(--color-purple);
}
.box-purple .arrow {
  color: var(--color-purple);
}
