/* smooth scroll only if there is no preference for reduced motion */
@media (prefers-reduced-motion: no-preference) {
  html {
    scroll-behavior: smooth;
  }
}

body {
  margin: 0;
  display: flex;
  flex-flow: column;
  min-height: 100vh;
  max-width: 100vw;
  overflow-x: hidden;
}

* {
  box-sizing: border-box;
}

pre {
  overflow: auto;
}

.logo-link img {
  width: 30px;
  height: 30px;
  vertical-align: middle;
}

.sr-only {
  position: absolute;
  left: -10000px;
  top: auto;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

.light-dark-switch {
  /* disabled for now */
  display: none !important;
}

hr {
  border: none;
  height: 1px;
  background: #ccc;
}

/** LAYOUT ****************************************************************************************/
#content-wrapper .content-area,
#main-header .content-area,
#main-footer .content-area {
  padding: 0 30px;
}

#content-wrapper .content-area {
  display: flex;
}

@media screen and (min-width: 1024px) {
  #wrapper {
    max-width: 1200px;
    margin: 0 auto;
  }

  .content-area {
    max-width: 1200px;
    margin: 0 auto;
  }
}

/** HEADER ****************************************************************************************/
#main-header {
  align-items: center;
  padding: 20px 0;
  top: 0;
  position: sticky;
  z-index: 100;
  background-color: var(--page-background);
  box-shadow: none;
}

body[layout^='layout-home'] #main-header {
  position: relative;
}

#main-header .content-area {
  display: flex;
  justify-content: space-between;
  align-items: center;
  min-height: 30px;
}

#main-header a {
  text-decoration: none;
  color: var(--primary-text-color);
  transition: color 0.3s ease-in-out;
  font-weight: bold;
  order: 2;
  text-transform: capitalize;
}

#main-header a:hover {
  color: var(--primary-color);
}

body[layout^='layout-home'] #main-header a:hover {
  color: inherit;
}

#mobile-menu-trigger {
  color: inherit;
  border: none;
  width: 30px;
  height: 30px;
  box-sizing: content-box;
  background: none;
  padding: 0;
}

.social-link {
  display: none;
}

#main-header .logo-link {
  display: none;
  color: var(--primary-color);
  order: 0;
}

#main-header .search {
  order: 3;
}

#main-header .logo-link span {
  font-size: 19px;
  font-weight: bold;
  margin-left: 8px;
  vertical-align: middle;
}

#main-header .light-dark-switch {
  display: none;
}

@media screen and (min-width: 1024px) {
  .social-link {
    display: block;
    width: 30px;
    height: 30px;
  }

  .social-link img {
    width: 100%;
  }

  #main-header .content-area > * {
    margin-right: 50px;
  }

  #main-header .search {
    order: 1;
  }

  #mobile-menu-trigger {
    display: none;
  }
  
  .mobile-home {
    display: none;
  }


  #main-header .logo-link {
    display: block;
  }

  #main-header .light-dark-switch {
    display: block;
  }

  body[layout='layout-home-background'] #main-header a {
    color: var(--contrast-color-light, #fff);
  }

  body[layout='layout-home-background'] .social-link {
    color: var(--contrast-color-light, #fff);
  }
}

/** SIDEBAR ***************************************************************************************/
#sidebar {
  display: none; /* for loading */
}

#sidebar-nav {
  background: var(--page-background, #fff);
  width: 80%;
  height: 100%;
  position: fixed;
  top: 0;
  left: 0;
  max-height: 100vh;
  overflow: auto;
}

rocket-navigation .light-dark-switch {
  margin-bottom: 10px;
}

rocket-navigation .light-dark-switch::part(label) {
  order: 10;
  margin-left: 10px;
}

rocket-navigation a {
  text-decoration: none;
  color: var(--primary-text-color);
}

rocket-navigation a:hover {
  color: var(--primary-color);
}

/* line on the left to indicate current page */
rocket-navigation > ul > li > ul li.current ul li.anchor.current::before {
  content: '';
  height: 1.6em;
  width: 3px;
  background: var(--primary-color);
  position: absolute;
  left: 0;
  margin-top: -2px;
}

rocket-navigation li {
  padding: 7px 0;
}

rocket-navigation > ul > li > ul li.current a:not(.anchor) {
  font-weight: bold;
}

rocket-navigation > ul > li > ul > li.current > ul > li > a {
  font-weight: normal;
}

rocket-navigation hr {
  margin: 30px -10px 10px -10px;
}

/* Hide below 3rd level by default */
rocket-navigation > ul > li > ul > li ul {
  display: none;
}

/* Only show below 3rd level if level above is active/current */
li.current > ul,
li.active > ul {
  display: block;
}

rocket-navigation > ul > li > a {
  color: var(--primary-color);
  font-weight: bold;
  font-size: 18px;
  text-transform: capitalize;
}

rocket-navigation > ul > li > ul a {
  font-weight: normal;
}

rocket-navigation {
  overflow: auto;
  display: block;
  margin-top: 40px;
  padding: 0 20px;
}

rocket-navigation ul {
  padding: 7px 0 10px 15px;
  margin: 0;
  list-style-type: none;
}

rocket-navigation > ul {
  padding: 0;
  position: relative;
}

#sidebar-nav .logo-link {
  display: block;
  font-size: 18px;
  border-bottom: 1px solid #ccc;
  padding: 20px 0;
  padding-left: 10px;
  text-decoration: none;

  /* same as header */
  box-shadow: 0 0 3px rgba(0, 0, 0, 0.3);
  color: var(--primary-text-color);
  font-weight: bold;
}

#sidebar-nav .logo-link span {
  padding-left: 10px;
}

#sidebar-nav li.anchor {
  padding: 4px 0;
}

#sidebar-nav li.anchor a {
  position: relative;
}

#sidebar-nav li.anchor:last-child {
  padding: 4px 0 0 0;
}

li.anchor {
  display: none;
}

li.current > ul > li.anchor {
  display: block;
}

.sidebar-bottom {
  padding-bottom: 10px;
}

@media screen and (min-width: 1024px) {
  #sidebar {
    position: sticky;
    height: 100%;
    left: 0;
    top: 70px;
    overflow-y: auto;
    scroll-behavior: smooth;
    min-width: 270px;
    z-index: 10;
    margin-right: 50px;
  }

  #sidebar .sidebar-bottom {
    display: none;
  }

  #sidebar hr {
    margin: 30px 0 10px 0;
    background: linear-gradient(90deg, rgba(204, 204, 204, 1) 0%, rgba(255, 255, 255, 0) 80%);
  }

  #sidebar-nav {
    width: 100%;
    position: static;
    max-height: calc(100vh - 70px);
  }

  #sidebar .logo-link {
    display: none;
  }

  rocket-navigation {
    padding: 0 25px 0 0;
  }

  body[layout='layout-sidebar'] #sidebar {
    display: block;
  }
}

/* for blog detail page */
rocket-navigation h3 {
  font-size: 16px;
  margin: 0 0 7px 0;
}

.sidebar-tags h3 {
  margin-top: 30px;
}

.sidebar-tags .tags {
  display: flex;
  flex-wrap: wrap;
}

.sidebar-tags .tag {
  background: var(--sidebar-tag-background-color, #ccc);
  color: var(--sidebar-tag-color, var(--text-color));
  margin: 5px 0 0 5px;
  padding: 5px 10px;
  box-sizing: content-box;
  border-radius: 20px;
}

/** MAIN ******************************************************************************************/
#content-wrapper {
  min-height: 60vh;
}

body[layout='layout-home'] #content-wrapper {
  margin-top: 0;
}

main {
  width: 100%;
  position: relative;

  /* makes sure that code blocks don't grow bigger then main => see https://css-tricks.com/preventing-a-grid-blowout/ */
  min-width: 0;
  margin-top: 40px;
}

main > * {
  scroll-margin-top: 85px;
}

@media screen and (min-width: 1024px) {
  main {
    z-index: 50;
  }
}

.content-footer {
  border-top: 1px solid var(--primary-lines-color);
  margin-top: 100px;
  padding-top: 20px;
  text-align: center;
}

/** FOOTER ****************************************************************************************/
#main-footer {
  margin-top: 50px;
  border-top: 1px solid #eaeaea;
  background-color: var(--footer-background, rgba(0, 0, 0, 0.1));
  color: var(--text-color);
  padding: 40px 0;
  flex-grow: 1;
  display: flex;
  flex-flow: column;
  justify-content: center;
}

#footer-menu .content-area {
  display: flex;
  justify-content: space-between;
  flex-direction: column;
  text-align: center;
}

@media screen and (min-width: 1024px) {
  #footer-menu .content-area {
    flex-direction: row;
    text-align: left;
  }
}

#footer-menu ul {
  list-style-type: none;
  padding: 0;
}

#footer-menu a {
  text-decoration: none;
  color: var(--primary-text-color);
  padding: 5px 0;
  display: block;
}

/** CALL TO ACTION ********************************************************************************/

.markdown-body .call-to-action-list {
  text-align: center;
  padding: 25px 0;
}

.markdown-body .call-to-action {
  display: inline-block;
  text-align: center;
  text-transform: uppercase;
  font-family: 'Montserrat', sans-serif;
  font-size: 16px;
  font-weight: bold;
  vertical-align: middle;
  padding: 8px 24px;
  border: 1px solid var(--primary-color);
  border-radius: 24px;
  background: linear-gradient(to right, var(--primary-color-lighter), var(--primary-color));
  text-shadow: var(--primary-color-darker) 1px 1px 1px;
  color: var(--contrast-color-light, #fff);
  text-decoration: none;
}

.markdown-body .call-to-action:hover,
.markdown-body .call-to-action:focus {
  background: linear-gradient(to right, var(--primary-color), var(--primary-color-darker));
  text-decoration: none;
}

.markdown-body .call-to-action:active {
  background: var(--primary-color-darker);
}


/** HOME ******************************************************************************************/

.page-background {
  display: none;
}

body[layout^='layout-home'] main {
  padding-top: 50px;
}

body[layout^='layout-home'] .page-title {
  color: var(--primary-color);
  font-size: 32px;
}
body[layout^='layout-home'] .teasers {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  column-gap: 100px;
  row-gap: 40px;
  color: var(--text-color);
}

body[layout^='layout-home'] .markdown-body .call-to-action {
  margin: 10px;
}

body[layout^='layout-home'] .markdown-body .call-to-action:nth-child(1) {
  margin-left: 0;
}

@media screen and (min-width: 380px) {
  body[layout^='layout-home'] #main-header {
    box-shadow: none;
  }

  body[layout^='layout-home'] .page-slogan {
    font-size: 25px;
  }

  body[layout^='layout-home'] .page-title {
    font-size: 50px;
  }
}

/** HOME WITH BACKGROUND **************************************************************************/
body[layout='layout-home-background'] .page-background {
  display: none;
}

@media screen and (min-width: 1024px) {
  body[layout='layout-home-background'] .page-title,
  body[layout='layout-home-background'] .page-slogan {
    text-align: left;
  }

  body[layout='layout-home-background'] .page-title {
    margin-top: 110px;
  }

  body[layout='layout-home-background'] .page-slogan {
    max-width: 500px;
  }

  body[layout='layout-home-background'] .markdown-body .call-to-action-list {
    text-align: left;
  }

  body[layout='layout-home-background'] #main-header {
    background: transparent;
    border-bottom: none;
  }

  body[layout='layout-home-background'] .page-background {
    display: block;
    position: absolute;
    top: -52px;
    right: -60px;
    z-index: -1;
  }

  body[layout='layout-home-background'] .page-logo {
    display: none;
  }

  body[layout='layout-home-background'] #main-header .logo-link {
    color: var(--contrast-color-dark, #000);
  }

  body[layout='layout-home-background'] #main-header .logo-link span {
    position: absolute;
    left: -10000px;
    top: auto;
    width: 1px;
    height: 1px;
    overflow: hidden;
  }
}