/* Common */

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  height: 100%;
}

body {
  margin: 0;
  min-height: 100%;
  font-size: 16px;
  line-height: 1.6;
  font-family: "Helvetica", "Arial", sans-serif;
  color: #5a5a5a;
  background-color: #ffffff;
  display: flex;
  flex-direction: column;
}

a:link,
a:visited {
  color: #3f3ccb;
  text-decoration: none;
}

a:hover,
a:focus {
  color: #302683;
  text-decoration: underline;
}

h1,
h2,
h3 {
  margin: 0;
  font-weight: normal;
  color: #424242;
  letter-spacing: -0.025em;
}

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

h1 {
  font-size: 3rem;
  line-height: 1.3;
}

h2 {
  font-size: 2.5rem;
}

h3 {
  font-size: 1.75rem;
  scroll-margin-top: 20px;
}

ul li {
  margin-bottom: 0.25rem;
}

.visually-hidden {
  position: absolute;

  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  border: 0;
  clip: rect(0, 0, 0, 0);
  clip-path: inset(100%);
}

/* Code */

code,
pre {
  font-family: "Consolas", "Liberation Mono", "Menlo", "Courier", monospace;
}

code {
  padding: 2px 4px;
  font-size: 95%;
  color: #d44950;
  background-color: #f7f7f9;
  border-radius: 0.2rem;
}

pre {
  display: block;
  margin: 0 0 1rem;
  line-height: 1.4;
  white-space: pre-wrap;
}

pre code {
  padding: 0;
  color: inherit;
  background-color: transparent;
  border: 0;
}

/* Header */

header {
  padding: 1rem 1rem 6rem;
  text-align: center;
  background-color: #312785;
  background-image: repeating-linear-gradient(150deg, rgba(255, 255, 255, 0.06), rgba(255, 255, 255, 0.06) 1px, transparent 0, transparent 41px), repeating-linear-gradient(-150deg, rgba(255, 255, 255, 0.06), rgba(255, 255, 255, 0.06) 1px, transparent 0, transparent 41px);
  background-size: 82px 47px;
}

header h1 {
  margin: 0 0 0.25rem;
  color: #ffffff;
}

header p {
  margin-top: 0;
  font-size: 1.1rem;
}

header a:link,
header a:visited {
  color: #ffffff;
}

.logo {
  width: 300px;
  height: 300px;
}

.logo-list-js {
  margin: 11px 23px 0;
}

@media (min-width: 38em) {
  header {
    padding-bottom: 4rem;
  }
}

/* Logo list */

.logo-list {
  margin: 50px auto;
}

.logo-list ul {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  margin: 0;
  padding: 0;
  list-style: none;
}

.logo-list li {
  margin-right: 10px;
  margin-left: 10px;
}

/* Gudie content */

.guide-content {
  display: flex;
  flex-wrap: wrap;
}

/* Sidebar */

.sidebar {
  display: flex;
  flex-direction: column;
  width: 100%;
}

.sidebar a {
  display: block;
  color: #5a5a5a;
}

.sidebar a:hover {
  color: #3f3ccb;
}

.sidebar-col {
  padding: 2rem 1rem;
}

.sidebar-col + .sidebar-col {
  border-top: 1px solid #e5e5e5;
}

.sidebar-col > a {
  font-size: 1.75rem;
  line-height: 1.25;
}

.sidebar-menu {
  padding-left: 1rem;
}

@media (min-width: 48em) {
  .sidebar {
    flex-direction: row;
    flex-wrap: wrap;
    padding: 2rem 0;
  }

  .sidebar-col {
    width: 50%;
    padding: 1rem 3rem;
  }

  .sidebar-col + .sidebar-col {
    border-top: 0;
  }
}

@media (min-width: 75em) {
  .sidebar {
    position: sticky;
    top: 0;
    bottom: 0;
    flex-direction: column;
    flex-wrap: nowrap;
    align-self: flex-start;
    width: 230px;
    height: 100vh;
    padding: 0 1rem;
    overflow-y: auto;
    line-height: 1.25;
    border-right: 1px solid #e5e5e5;
  }

  .sidebar-col {
    flex-shrink: 0;
    width: 100%;
    padding: 0;
  }

  .sidebar-col-first {
    padding-top: 1.75rem;
  }

  .sidebar-col-last {
    padding-bottom: 1.75rem;
  }

  .sidebar-col + .sidebar-col {
    margin-top: 1.75em;
  }

  .sidebar-col > a {
    display: block;

    font-size: 0.8rem;
    font-weight: bold;
  }

  .sidebar-menu {
    padding: 0;
    margin: 0.5em 0 0;
    list-style: none;
    font-size: 0.7rem;
  }

  .sidebar-menu li {
    margin: 0;
    line-height: 1.45;
  }

  .sidebar-menu a {
    display: block;
    padding: 0.25em 0;
  }
}

/* Chapter */

.chapters {
  width: 100%;
}

.chapter h2 {
  padding: 2rem 1rem;
  word-break: break-word;
  background-color: #e5e5e5;
}

.chapter h3[id]::before {
  display: block;
  height: 2rem;
  margin-top: -2rem;
  visibility: hidden;
  content: "";
}

.chapter-part {
  display: flex;
  flex-direction: column;
  border-bottom: 1px solid #e5e5e5;
}

.chapter-part-col {
  padding: 2rem 1rem;
}

.chapter-part-col figure {
  margin: 0 1rem 0 0;
}

.chapter-part-col p {
  max-width: 32rem;
}

.chapter-part-col + .chapter-part-col {
  border-top: 1px solid #e5e5e5;
}

.gray-bgcolor {
  background-color: #fafafa;
}

@media (min-width: 38em) {
  .chapter h2 {
    padding: 2rem 2rem 2.5rem;
  }

  .chapter-part-col {
    padding: 2rem;
  }
}


@media (min-width: 48em) {
  .chapter h2 {
    padding: 2rem 3rem 2.5rem;
  }

  .chapter-part {
    flex-direction: row;
  }

  .chapter-part-col {
    width: 50%;
    padding: 3rem 1.5rem;
  }

  .chapter-part-col--full-width {
    width: 100%;
  }

  .chapter-part-col + .chapter-part-col {
    border-top: 0;
  }
}

@media (min-width: 75em) {
  .chapters {
    width: calc(100% - 230px);
  }
}

/* Footer */

footer {
  padding: 2rem;
  margin-top: auto;
  background-color: #2d2d44;
}

.contacts {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
}

.logo-full {
  display: inline-block;
  width: 161px;
}

.social-icons {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin: 0.5rem 0 1rem 0;
}

.social-icons,
.github {
  font-size: 0;
}

.icon {
  min-width: 2rem;
  min-height: 2rem;
  background-repeat: no-repeat;
  background-position: center;
  background-size: calc(100% - 5px);
  opacity: 0.5;
}

.icon:hover {
  opacity: 1;
}

.icon-vk {
  background-image: url("./?mortyurl=https%3A%2F%2Fcodeguide.academy%2Fimg%2Ficon-vkontakte.svg");
}

.icon-fb {
  background-image: url("./?mortyurl=https%3A%2F%2Fcodeguide.academy%2Fimg%2Ficon-facebook.svg");
}

.icon-tw {
  background-image: url("./?mortyurl=https%3A%2F%2Fcodeguide.academy%2Fimg%2Ficon-twitter.svg");
}

.icon-ig {
  background-image: url("./?mortyurl=https%3A%2F%2Fcodeguide.academy%2Fimg%2Ficon-instagram.svg");
}

.github-link {
  display: inline-block;
  width: 91px;
  height: 16px;
  background-image: url("./?mortyurl=https%3A%2F%2Fcodeguide.academy%2Fimg%2Fgithub.svg");
}

/* Prism */

/* override default prism theme */
code[class*="language-"],
pre[class*="language-"] {
  white-space: pre-wrap;
}

pre[class*="language-"] {
  margin: 0;
  padding: 0;
}

:not(pre) > code[class*="language-"],
pre[class*="language-"] {
  background: initial;
}

/* override default prism theme */
code[class*="language-"],
pre[class*="language-"] {
  white-space: pre-wrap;
}

pre[class*="language-"] {
  margin: 0;
  padding: 0;
}

:not(pre) > code[class*="language-"],
pre[class*="language-"] {
  background: initial;
}

pre.language-correct,
pre.language-incorrect {
  padding: 5px 10px;
}

pre.language-correct {
  background: #deeede;
}

pre.language-incorrect {
  background: #f4d3d3;
}

pre.language-correct .token.operator,
pre.language-incorrect .token.operator {
  background: none;
}