@media (prefers-color-scheme: light) {
  :root {
    --primary-text: #000;
    --secondary-text: #333;
    --primary-bkg: #FFF;
    --aside-bkg: #EEE;
    --link-text: #423eda;

    --code-token-comment: hsl(230, 4%, 64%);
    --code-token-constant: hsl(35, 99%, 36%);
    --code-token-string: hsl(119, 34%, 47%);
    --code-token-keyword: hsl(301, 63%, 40%);
    --code-token-function: hsl(221, 87%, 60%);
  }
}

@media (prefers-color-scheme: dark) {
  :root {
    --primary-text: #EEE;
    --secondary-text: #BBB;
    --primary-bkg: #141414;
    --aside-bkg: #222;
    --link-text: #7d7fff;

    --code-token-comment: hsl(220, 10%, 40%);
    --code-token-constant: hsl(29, 54%, 61%);
    --code-token-string: hsl(95, 38%, 62%);
    --code-token-keyword: hsl(286, 60%, 67%);
    --code-token-function: hsl(207, 82%, 66%);
  }

  .diagram {
    filter: invert(100%);
  }
}

:root {
    --max-width: 800px;
    --aside-note-color: #A00;
    --aside-info-color: #0AA;
}

/* Colors */

a {
  color: var(--link-text);
  text-decoration: none;
}

a:visited {
  color: var(--link-text);
}

a:hover {
  color: var(--link-text);
  text-decoration: underline;
}

html {
  font-family: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'PT Sans', 'Open Sans', 'Fira Sans', 'Droid Sans', 'Helvetica Neue', Helvetica, Arial, sans-serif;
  color: var(--primary-text);
  background-color: var(--primary-bkg);
  line-height: 1.4;
}

body {
  margin: 1.2em;
  font-size: 21px;
}

/* Align body elements */

p, h1, h2, h3, h4, h5, h6, ol, ul, header, footer, aside, blockquote, pre, img {
  margin-left: auto;
  margin-right: auto;
  max-width: var(--max-width);

  pre {
    max-width: initial;
  }
}

pre {
  padding: 4px 0px;
}

/* Typography */

h1, h2, h3, h4, h5, h6 {
  line-height: 1.2;
}

aside {
  box-sizing: border-box;
  padding: 16px;
  background-color: var(--aside-bkg);
  border-radius: 1px;
}

aside .callout-title {
  margin: 0px;
}

aside .callout-symbol {
  margin-right: 8px;
}

aside.callout-aside, aside.callout-note {
  border-left: 3px solid var(--aside-note-color);
}

aside.callout-aside .callout-symbol {
  color: var(--aside-note-color);
}

aside.callout-info {
  border-left: 3px solid var(--aside-info-color);
}

aside.callout-info .callout-symbol {
  color: var(--aside-info-color);
}

aside p:first-child {
  margin-top: 0px;
}

aside p:last-child {
  margin-bottom: 0px;
}

blockquote {
  padding: 4px 0px;
  font-style: italic;

    p {
      padding: 0px 16px;
    }
}

/* PAGE HEADER */
.page-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.page-header * {
  margin: 0;
}

.header-links * {
  margin-left: 1em;
}


body {
    font-size: 19px;
}

h1 {
    margin-bottom: 0px;
    font-size: 32px;
}

h2 {
    font-size: 27px;
    margin-bottom: 6px;
}

h3 {
    font-size: 24px;
}

header {
    margin-bottom: 16px;
}

p, aside {
    margin-top: 2px;
    margin-bottom: 16px;
}

ul, ol {
    margin-top: 2px;
    margin-bottom: 8px;
}

.footnotes-sep {
    max-width: calc(var(--max-width) + 16px);
}

/* SYNTAX HIGHLIGHTING VIA PRISM */
pre[class*="language-"] {
	overflow: auto;
}

.token.comment,
.token.prolog,
.token.cdata {
	color: var(--code-token-comment);
}

.token.attr-name,
.token.class-name,
.token.boolean,
.token.constant,
.token.number,
.token.atrule {
	color: var(--code-token-constant);
}

.token.keyword {
	color: var(--code-token-keyword);
}

.token.property,
.token.tag,
.token.symbol,
.token.deleted,
.token.important {
	color: hsl(355, 65%, 65%);
}

.token.selector,
.token.string,
.token.char,
.token.builtin,
.token.inserted,
.token.regex,
.token.attr-value,
.token.url,
.token.attr-value > .token.punctuation {
	color: var(--code-token-string);
}

.token.variable,
.token.operator,
.token.function {
	color: var(--code-token-function);
}


/* General */
.token.bold {
	font-weight: bold;
}

.token.comment,
.token.italic {
	font-style: italic;
}

.token.entity {
	cursor: help;
}

.token.namespace {
	opacity: 0.8;
}