/* ! Littera v4.0.0 | MIT License | github.com/zoxon/littera */
:root {
  --font-sans-serif: ui-sans-serif, system-ui, sans-serif;
  --font-serif: Charter, "Bitstream Charter", "Sitka Text", Cambria, serif;
  --font-monospace:
    ui-monospace, "Cascadia Code", "Source Code Pro", Menlo, Consolas,
    "DejaVu Sans Mono", monospace;
  --font-primary: var(--font-sans-serif);
  --font-secondary: var(--font-sans-serif);

  /* Spacings */
  --spacing-y-base: 1.5rem; /* 24px */

  /* Line Height */
  --line-height-base: 1.618;

  /* Font Sizes */
  --font-size-base: 1rem; /* 16px */
  --font-size-h1: 2.5rem; /* 40px */
  --font-size-h2: 2rem; /* 32px */
  --font-size-h3: 1.75rem; /* 28px */
  --font-size-h4: 1.5rem; /* 24px */
  --font-size-h5: 1.25rem; /* 20px */
  --font-size-h6: 1rem; /* 16px */

  /* Fill Colours */
  --fill-primary: #fff;
  --fill-secondary: #e9ecef;

  /* Text Colours */
  --text-primary: #212529;
  --text-accent-primary: #4263eb;
  --text-accent-secondary: #9c36b5;
  --text-accent-tertiary: #3b5bdb;
  --text-gray: #e9ecef;
  --text-gray-dark: #adb5bd;
}
@media (prefers-color-scheme: dark) {
  :root {
    /* Fill Colours */
    --fill-primary: hsl(210, 20%, 15%);
    --fill-secondary: hsl(210, 20%, 20%);

    /* Text Colours */
    --text-primary: hsl(0, 0%, 90%);
    --text-accent-primary: hsl(228, 81%, 70%);
    --text-accent-secondary: hsl(288, 54%, 60%);
    --text-accent-tertiary: hsl(228, 69%, 60%);
    --text-gray: hsl(210, 16%, 20%);
    --text-gray-dark: hsl(210, 11%, 30%);
  }
}
html,
body {
  padding: 0;
  height: 100%;
}
html {
  font-family: var(--font-primary);
}
body {
  font-size: var(--font-size-base);
  line-height: var(--line-height-base);
  color: var(--text-primary);
  background-color: var(--fill-primary);
  word-wrap: break-word;
  text-rendering: optimizeLegibility;
  -webkit-font-variant-ligatures: common-ligatures;
  font-variant-ligatures: common-ligatures;
  hanging-punctuation: first;
}
h1,
h2,
h3,
h4,
h5,
h6 {
  font-family: var(--font-secondary);
  line-height: normal;
  font-weight: bold;
  margin: 1.25em 0 0.5em;
}
h1 {
  font-size: var(--font-size-h1);
}
h2 {
  font-size: var(--font-size-h2);
}
h3 {
  font-size: var(--font-size-h3);
}
h4 {
  font-size: var(--font-size-h4);
}
h5 {
  font-size: var(--font-size-h5);
}
h6 {
  font-size: var(--font-size-h6);
}
a {
  color: var(--text-accent-primary);
  text-decoration: underline;
  -webkit-transition: 125ms color ease-out;
  transition: 125ms color ease-out;
  position: relative;

  /* https://css-tricks.com/snippets/css/prevent-long-urls-from-breaking-out-of-container/ */
  word-wrap: break-word;
  word-break: break-word;
  hyphens: auto;
  overflow-wrap: break-word;
  -ms-word-break: break-all;
  -ms-hyphens: auto;
  -moz-hyphens: auto;
  -webkit-hyphens: auto;
}
a:focus-visible {
  outline: none;
}
a:focus-visible::after {
  content: "";
  position: absolute;
  top: -2px;
  left: -2px;
  right: -2px;
  bottom: -2px;
  border-radius: 2px;
  -webkit-box-shadow: 0 0 0 2px var(--text-accent-primary);
  box-shadow: 0 0 0 2px var(--text-accent-primary);
  pointer-events: none;
}
a:visited {
  color: var(--text-accent-secondary);
}
a:hover,
a:focus,
a:active {
  color: var(--text-accent-tertiary);
  text-decoration: none;
}
ol,
ul {
  padding-left: 2em;
}
@media (max-width: 382px) {
  ol,
  ul {
    padding-left: 0;
    list-style-position: inside;
  }
}
dt {
  font-weight: bold;
}
dd {
  margin-bottom: 1em;
  padding-left: 1em;
  margin-left: 0;
}
p {
  margin-top: 1em;
  margin-bottom: 1em;
}
i,
em {
  font-style: italic;
}
b,
strong {
  font-weight: bold;
}
q {
  font-style: italic;
}
/* https://en.wikipedia.org/wiki/Quotation_mark#Summary_table */
:lang(ru) > q {
  quotes: "«" "»" "„" "“";
}
:lang(en) > q {
  quotes: "‘" "’" "“" "”";
}
small,
sub,
sup {
  font-size: 75%;
}
img {
  max-width: 100%;
}
mark,
kbd,
code {
  display: inline-block;
  padding: 0 4px;
  border-radius: 3px;
  vertical-align: middle;
}
kbd {
  background-color: var(--text-gray);
  font-family: var(--font-monospace);
}
mark {
  background-color: var(--text-accent-primary);
  color: #fff;
}
hr {
  display: block;
  margin: 1em 0;
  padding: 0;
  height: 1px;
  border: none;
  border-top: 1px solid var(--text-gray-dark);
}
figure {
  margin: var(--spacing-y-base) 0;
}
figure img {
  max-width: 100%;
  height: auto;
  margin: 0;
  line-height: 1;
}
figure figcaption {
  margin-top: 0.5rem;
  color: var(--text-secondary);
  font-size: 80%;
}
img,
video {
  max-width: 100%;
  height: auto;
}
blockquote {
  font-style: italic;
  margin: 1em;
  padding-left: 1em;
  border-left: 3px solid var(--text-gray);
}
blockquote p:last-child,
blockquote ul:last-child,
blockquote ol:last-child {
  margin-bottom: 0;
}
blockquote p:first-child,
blockquote ul:first-child,
blockquote ol:first-child {
  margin-top: 0;
}
blockquote footer,
blockquote small {
  display: block;
  font-size: 80%;
}
blockquote footer:before,
blockquote small:before {
  content: "\2014 \00A0";
}
pre,
code {
  overflow: hidden;
  background-color: var(--text-gray);
  white-space: pre-wrap;
  word-wrap: break-word;
  -moz-tab-size: 4;
  -o-tab-size: 4;
  tab-size: 4;
  font-family: var(--font-monospace);
}
pre {
  display: block;
  padding: 1em;
  border-radius: 2px;
}
code {
  font-size: 0.9em;
  padding: 0 0.5em;
}
table {
  text-align: justify;
  width: 100%;
  border-collapse: collapse;
  margin: var(--spacing-y-base) 0;
}
td,
th {
  padding: 0.5rem 0;
}
thead td,
thead th {
  border-bottom: 1px solid var(--text-gray-dark);
}
tfoot td,
tfoot th {
  border-top: 1px solid var(--text-gray-dark);
}
tbody td,
tbody th {
  border-top: 1px solid var(--text-gray-dark);
}
tbody tr {
  padding: 0.5rem 0;
  border-bottom: 1px solid var(--text-gray-dark);
}
tbody tr:last-child td,
tbody tr:last-child th {
  border-bottom-width: 0;
}