/*!
* The main dark mode styles
* v2.0
* https://github.com/cotes2020/jekyll-theme-chirpy
* © 2018-2019 Cotes Chung
* MIT Licensed
*/

@mixin dark-scheme {
  /* framework */
  --main-wrapper-bg: rgb(27, 27, 30);
  --topbar-wrapper-bg: rgb(39, 40, 43);
  --search-wrapper-bg: rgb(34, 34, 39);
  --search-icon: rgb(100, 102, 105);
  --input-focus-border: rgb(112, 114, 115);
  --footer-border: rgb(44, 45, 45);
  --mask-bg: rgb(68, 69, 70);

  /* sidebar */
  --nav-cursor: rgb(183, 182, 182);
  --sidebar-bg: radial-gradient(circle, #242424 0%, #1d1f27 100%);

  /* common color */
  --text-color: rgb(175, 176, 177);
  --text-muted-color: rgb(107, 116, 124);
  --link-color: rgb(138, 180, 248);
  --link-underline-color: rgb(99, 131, 182);
  --main-border: rgb(63, 65, 68);
  --button-bg: rgb(39, 40, 33);
  --blockquote-border: rgb(66, 66, 66);
  --blockquote-text: rgb(117, 117, 117);

  --card-bg: rgb(39, 40, 33);
  --card-header-bg: rgb(51, 50, 50);
  --relate-post-title: rgb(164, 175, 181);

  /* Home page */
  --btn-active-bg: #1c345e;
  --btn-active-border-color: #8ab4f8;

  /* posts */
  --toc-highlight: rgb(116, 178, 243);
  --tag-bg: rgb(41, 40, 40);
  --tag-hover: rgb(43, 56, 62);
  --tb-odd-bg: rgba(52, 53, 42, 0.52); /* odd rows of the posts' table */
  --tb-even-bg: rgb(31, 31, 34); /* even rows of the posts' table */
  --footnote-target-bg: rgb(63, 81, 181);
  --btn-sharing: #6c757d;

  /* tags */
  --tag-border: rgb(59, 79, 88);
  --tag-shadow: rgb(32, 33, 33);

  /* categories */
  --categories-hover-bg: rgb(73, 75, 76);

  /* archives */
  --timeline-node-bg: rgb(150, 152, 156);

  /* Footer */
  ---footer-link: rgb(146, 146, 146);

  hr {
    border-color: var(--main-border);
  }

  /* posts' toc */
  nav[data-toggle=toc] .nav-link.active,
  nav[data-toggle=toc] .nav-link.active:focus,
  nav[data-toggle=toc] .nav-link.active:hover,
  nav[data-toggle=toc] .nav>li>a:focus,
  nav[data-toggle=toc] .nav>li>a:hover {
    /* Override BS */
    color: var(--toc-highlight)!important;
    border-left-color: var(--toc-highlight)!important;
  }

  /* categories */
  .categories.card,
  .list-group-item {
    background-color: var(--card-bg);
  }

  .categories {
    .card-header {
      background-color: var(--card-header-bg);
    }
    .list-group-item {
      // @extend %category-bg;
      border-left: none;
      border-right: none;
      padding-left: 2rem;
      border-color: var(--main-border);
      &:last-child {
        border-bottom-color: var(--card-bg);
      }
    }
  }


  #archives li:nth-child(odd) {
    background-image: linear-gradient(to left,
      rgb(26, 26, 30), rgb(39, 39, 45), rgb(39, 39, 45), rgb(39, 39, 45), rgb(26, 26, 30));
  }

} // dark-scheme


@mixin set-visible($light-display, $dark-display) {
  [light-mode-invisible] {
    display: $light-display;
  }

  [dark-mode-invisible] {
    display: $dark-display;
  }
}

@mixin mode-toggle($dark-mode: false) {
  @if $dark-mode {
    @include set-visible(inline-block, none);
    @include dark-scheme;
  } @else {
    @include set-visible(none, inline-block);
  }
}

html:not([mode]), html[mode=light] {
  @include mode-toggle();
}

html[mode=dark] {
  @include mode-toggle(true);
}

@media (prefers-color-scheme: dark) {
  html:not([mode]), html[mode=dark] {
    @include mode-toggle(true);
  }

  html[mode=light] {
    @include mode-toggle();
  }
}