aux-search/frontend/src/index.scss

:root {
  --text-color: #333;
  --background-color: #fff;
  --terminal-background: #333;
  --terminal-color: #fff;
  --result-item-show-more-background: #fff;
  --result-item-show-more-color: #666;
  --search-sidebar-container-border-color: #ccc;
  --search-sidebar-link-color: var(--text-color);
  --search-sidebar-hovered-link-background: #eee;
  --search-sidebar-selected-link-background: #0081c2;
  --search-sidebar-selected-link-color: #fff;
  /* Divider between search results */
  --search-result-divider-line-color: #ccc;
  /* Gets overwritten by bootstrap; has no effect */
  --search-result-title-color: #08c;
  /* Text color for the details in a search result (like name, version, outputs...) */
  --search-result-short-details-color: #666;
  /* When search results are expanded, they show tabbed help for installing the result. This is the border color for that tabbed thing.
       It is only half of the border, the other half is styled by bootstrap. */
  --search-result-expanded-tab-border: #ccc;
  /* Color of the animation above the `Loading` text that is shown when searching */
  --loader-color: #000;
  /* Background color of the experimental badge next to the flakes search */
  --info-label-background: #007dbb;
  /* Text color for links. Probably overwritten by bootstrap */
  --link-color: #007dbb;
  /* Background color for the small badges with number in the sidebar */
  --badge-background: #757575;
}

/* ------------------------------------------------------------------------- */
/* -- Darkmode specific styles --------------------------------------------- */
/* ------------------------------------------------------------------------- */

@media (prefers-color-scheme: dark) {

  // Define darkmode colors
  :root {
    --text-color: rgba(255, 255, 255, 0.85);
    --text-color-light: rgba(255, 255, 255, 0.5);
    --text-color-warning: #f8e45c;
    --background-color: #242424;
    --hover-background: #ffffff13;
    --button-background: #393939;
    --button-hover-background: #454545;
    --button-active-background: #656565;
    --button-active-hover-background: #707070;
    --terminal-background: #353535;
    --terminal-color: var(--text-color);
    --line-color: #ffffff26; // Color for separating lines
    --dark-blue: #5277C3; // Blue background
    --light-blue: #7ebae4;

    --result-item-show-more-background: var(--background-color);
    --result-item-show-more-color: var(--text-color);
    --search-sidebar-container-border-color: var(--line-color);
    --search-sidebar-link-color: var(--text-color);
    --search-sidebar-hovered-link-background: var(--hover-background);
    --search-sidebar-selected-link-background: var(--dark-blue); // #0081c2;
    --search-sidebar-selected-link-color: var(--text-color);
    /* Divider between search results */
    --search-result-divider-line-color: var(--line-color);
    /* Color of the search results */
    --search-result-title-color: var(--light-blue);
    /* Text color for the details in a search result (like name, version, outputs...) */
    --search-result-short-details-color: var(--text-color-light); // #666;
    /* When search results are expanded, they show tabbed help for installing the result. This is the border color for that tabbed thing.
       It is only half of the border, the other half is styled by bootstrap. */
    --search-result-expanded-tab-border: var(--line-color);
    /* Color of the animation above the `Loading` text that is shown when searching */
    --loader-color: var(--text-color);
    /* Background color of the experimental badge next to the flakes search */
    --info-label-background: var(--dark-blue); // #007dbb;
    /* Text color for links. Probably overwritten by bootstrap */
    --link-color: var(--light-blue); // #007dbb;
    /* Background color for the small badges with number in the sidebar */
    --badge-background: var(--button-active-hover-background);

    --color-hover-tab: var(--hover-background);
    --color-active-tab: #393939;
    --color-active-hover-tab: #404040;

    /* Headerbar background color */
    --headerbar-background-color: #303030;
  }

  // Override bootstrap styles for some common things.
  code {
    background-color: var(--terminal-background);
    color: var(--terminal-color);
    border: none;
    padding: 4px;
  }

  pre {
    color: var(--text-color);
  }

  * {
    transition: background 0.2s;
  }

  @mixin outline-visible() {
    border-radius: 4px !important;
    outline-color: var(--light-blue) !important;
    outline-style: solid !important;
    outline-width: 2px !important;
    outline-offset: -2px !important;
  }

  *:focus {
    outline-width: 0 !important;
  }

  *:focus-visible {
    @include outline-visible;
  }

  a:focus-visible {
    outline-offset: 0 !important;
  }

  .label-warning {
    background: transparent;
    color: var(--text-color-warning);
    text-shadow: none;
  }

  button.btn.btn {
    margin: 0;
    border-left: none;
    border-right: none;
    background: var(--button-background);
    box-shadow: none;
    text-shadow: none;
    border-bottom: none;
    color: var(--text-color);
    transition: background 0.2s;
    font-weight: bold;

    &.active {
      background: var(--button-active-background);

      &:hover {
        background: var(--button-active-hover-background);
      }
    }

    &:hover {
      background: var(--button-hover-background)
    }

    &:disabled {
      background: var(--button-background);
      color: var(--text-color-light);
    }
  }

  // Override bootstrap colors for the sort dropdown
  .search-results {
    .dropdown {
      border-radius: 4px;

      .caret {
        border-top-color: var(--text-color) !important;
      }

      &.open>button.btn {
        background: var(--button-active-background);

        &:hover {
          background: var(--button-active-hover-background);
        }
      }

      &>button.btn {
        background: var(--button-background);

        &:hover {
          background: var(--button-hover-background);
        }

        &:focus:not(:focus-visible) {
          outline: none !important;
        }

        border-radius: 4px;
        color: var(--text-color);
        border: none;
        text-shadow: none;
        box-shadow: none;
      }
    }

    ul.dropdown-menu {
      background: var(--button-background);
      padding: 0;
      margin-top: 4px;

      li {
        border-radius: 4px;
        border-top-right-radius: 4px;
        border-top-left-radius: 4px;
        margin: 4px;

        a {
          border-radius: 4px;
          color: var(--text-color);
          background: inherit;
          transition: background 0.2s;
        }

        a::before {
          content: none !important;
        }
      }

      .header,
      .divider {
        display: none;
      }

      li:hover {
        a {
          background: var(--hover-background);
        }
      }

      li.selected {
        background: var(--button-active-background);
      }
    }
  }

  // Override bootstrap styles for the search box
  .search-input {
    >div:first-child:first-child:first-child {
      display: flex;
      gap: 2rem;

      div {
        flex-grow: 1;
      }

      input {
        background: var(--button-background);
        box-shadow: none;
        border: 1px solid transparent;
        color: var(--text-color);

        &::placeholder {
          font-weight: bold;
          opacity: 1;
          color: var(--text-color-light);
        }
      }

    }

    .btn-group {
      border: none;
      border-radius: 4px;
      background: inherit;

      button+button {
        border-left: 1px solid var(--line-color);
      }
    }
  }

  // Override bootstrap styles for the header bar
  // Very navbar to boost specificity
  .navbar.navbar.navbar.navbar.navbar.navbar {
    &>.navbar-inner {
      background: var(--headerbar-background-color);
      border-bottom: none;

      li>a {
        color: var(--text-color);
        background: var(--headerbar-background-color);
        transition: background 0.2s;
        text-shadow: none;
        box-shadow: none;
        border-radius: 4px;
        margin: 4px;
        padding: 6px 12px;

        &:hover,
        &:focus,
        &:focus-visible,
        &:active,
        &.active {
          color: var(--text-color);
        }

        &:hover {
          background: var(--color-hover-tab);
        }
      }

      li.active>a {
        background: var(--color-active-tab);

        &:hover {
          background: var(--color-active-hover-tab);
        }

      }
    }
  }

  // Style the tabs in expanded package search results
  .nav-tabs {
    border-bottom: 1px solid var(--line-color);
    border-radius: 4px;

    li {
      background: transparent !important;
      border-color: none !important;

      &:hover,
      &:focus {
        background: transparent !important;
        border-color: none !important;
      }

      a {
        // border: none;
        background: transparent;
        color: var(--text-color);
      }

      a:hover,
      a:focus {
        border-color: transparent;
        background: transparent !important;
        color: var(--text-color) !important;
      }

      &.active {

        a,
        a:hover,
        a:focus {
          border: 1px solid var(--line-color);
          border-bottom-color: transparent;
          background: var(--background-color) !important;
          color: var(--text-color);
        }
      }
    }
  }
}

/* ------------------------------------------------------------------------- */
/* -- Utils ---------------------------------------------------------------- */
/* ------------------------------------------------------------------------- */

@mixin terminal() {
  background: var(--terminal-background);
  color: var(--terminal-color);
  margin: 0;
}

@mixin search-result-item() {
  .result-item-show-more-wrapper {
      text-align: center;
  }

  // show longer details link
  .result-item-show-more {
    margin: 0 auto;
    display: none;
    text-align: center;
    text-decoration: none;
    line-height: 1.5em;
    color: var(--result-item-show-more-color);
    background: var(--result-item-show-more-background);
    padding: 0 1em;
    position: relative;
    top: 0.75em;
    outline: none;
  }
  &.opened,
  &:hover {
    padding-bottom: 0;

    .result-item-show-more {
      display: inline-block;
      padding-top: 0.5em;
    }
  }
}

.package-name {
  user-select: all;
}

/* ------------------------------------------------------------------------- */
/* -- Layout --------------------------------------------------------------- */
/* ------------------------------------------------------------------------- */

body {
  background: var(--background-color);
  color: var(--text-color);
  position: relative;
  min-height: 100vh;
  overflow-y: auto;

  & > div:first-child {
    position: relative;
    min-height: 100vh;
  }
}

.code-block {
  display: block;
  cursor: text;
}

.shell-command:before {
  content: "$ ";
}

#content {
  padding-bottom: 4rem;
}

footer {
  position: absolute;
  bottom: 0;
  width: 100%;
  height: 4rem;
}

header .navbar.navbar-static-top {
  .brand {
    padding-bottom: 0;
  }
  img.logo {
    margin-top: -5px;
    padding-right: 5px;
    line-height: 25px;
    height: 25px;
  }
  ul.nav > li {
    line-height: 20px;
    sup {
      margin-left: 0.5em;
    }
  }
}

// Search seatch
.search-page {

  &.not-asked {

    & > h1 {
      margin-top: 2.5em;
      margin-bottom: 0.8em;
    }
  }

  // Search section title title
  & > h1 {
    font-weight: normal;
    font-size: 2.3em;

    &:before {
      content: "\2315";
      display: inline-block;
      font-size: 2em;
      margin-right: 0.2em;
      -moz-transform: scale(-1, 1);
      -webkit-transform: scale(-1, 1);
      -o-transform: scale(-1, 1);
      -ms-transform: scale(-1, 1);
      transform: translateY(0.15em) scaleX(-1);
      font-family: monospace;
    }
  }

  // Search input section
  & > .search-input {

    // Search Input and Button
    & > div:nth-child(1) {
      display: grid;
      grid-template-columns: auto 8em;

      & > div > input {
        font-size: 18px;
        height: 40px;
        width: 100%;
      }

      & > button {
        font-size: 24px;
        height: 50px;
        min-width: 4em;
      }
    }

    // List of channels
    & > div:nth-child(2) {
      margin-bottom: 0.5em;

      // "Channels: " label
      & > div > h2 {
        display: inline;
        vertical-align: middle;
        font-size: 1.2em;
        margin-left: 0.2em;
        line-height: 20px
      }
    }
  }

  // Loader during loading the search results
  & > .loader-wrapper > h2 {
    position: absolute;
    top: 3em;
    width: 100%;
    text-align: center;
  }

  & > .search-no-results {
    padding: 2em 1em;
    text-align: center;
    margin-bottom: 2em;

     & > h2 {
       margin-top: 0;
     }
  }


  .search-result-button {
    list-style: none;
    margin: 0;
    padding: 0;

    & > li {
      display: inline-block;

      &:first-child:not(:last-child):after {
        content: "→";
        margin: 0 0.2em;
      }

      & > a:hover {
        text-decoration: underline;
      }
    }
  }

 // Buckets
    ul.search-sidebar {
      width: 25em;

      list-style: none;
      margin: 0 1em 0 0;

      & > li {
        margin-bottom: 1em;
        border: 1px solid var(--search-sidebar-container-border-color);
        padding: 1em;
        border-radius: 4px;

        & > ul {
          list-style: none;
          margin: 0;

          & > li {
            margin-bottom: 0.2em;

            &.header {
              font-size: 1.2em;
              font-weight: bold;
              margin-bottom: 0.5em;
            }

            & > a {
              display: grid;
              grid-template-columns: auto max-content;
              color: var(--search-sidebar-link-color);
              padding: 0.5em 0.5em 0.5em 1em;
              text-decoration: none;
              border-radius: 4px;

              &:hover {
                text-decoration: none;
                background: var(--search-sidebar-hovered-link-background);
              }

              & > span:first-child {
                overflow: hidden;
              }
              & > span:last-child {
                text-align: right;
                margin-left: 0.3em;
              }

              &.selected {
                background: var(--search-sidebar-selected-link-background);
                color: var(--search-sidebar-selected-link-color);
                position: relative;
                  & > span:last-child {
                  display: none;

                  }
              }

              & .close {
                opacity: 1;
                text-shadow: none;
                color: inherit;
                font-size: inherit;
                padding-left: .5em;
                padding-right: .5em;
              }
            }
          }
        }
      }
    }


  & > .search-results {
    display: flex;
    flex-direction: row;

    // Results section
    & > div {
      width: 100%;

      // Search results header
      & > :nth-child(1) {

        // Dropdown to show sorting options
        & > div:nth-child(1) {

          & > button {
            & > .selected {
              margin-right: 0.5em;
            }
          }

          & > ul > li {

            & > a {
              padding: 3px 10px;
            }

            & > a:before {
              display: inline-block;
              content: " ";
              width: 24.5px;
            }

            &.selected > a:before {
              content: "\2714";
            }
          }

          & > ul > li.header {
            font-weight: bold;
            padding: 3px 10px 0 10px;
          }

          & > ul > li.header:before,
          & > ul > li.divider:before {
            display: none;
          }
        }

        // Text that displays number of results
        & > h2:nth-child(2) {
          font-size: 1.7em;
          font-weight: normal;
          line-height: 1.3em;

          & > p {
            font-size: 0.7em;
          }
        }
      }

      // Search results list
      & > :nth-child(2) {
        list-style: none;
        margin: 2em 0 0 0;

        // Result item
        & > li {
          border-bottom: 1px solid var(--search-result-divider-line-color);
          padding-bottom: 2em;
          margin-bottom: 2em;

          &:last-child {
            border-bottom: 0;
          }

          // Attribute name or option name
          & > :nth-child(1) {
            background: inherit;
            border: 0;
            padding: 0;
            color: var(--search-result-title-color) !important;
            font-size: 1.5em;
            margin-bottom: 0.5em;
            text-align: left;
            display: block;
            a {
              color: inherit !important;
            }
          }

          &.package {
            @include search-result-item;

            // Description
            & > :nth-child(2) {
              font-size: 1.2em;
              margin-bottom: 0.5em;
              text-align: left;
            }

            // short details of a pacakge
            & > :nth-child(3) {
              color: var(--search-result-short-details-color);
              list-style: none;
              text-align: left;
              margin: 0;

              & > li {
                display: inline-block;
                margin-right: 1em;
              }
              & > li:last-child {
                margin-right: 0;
              }
            }

            // longer details of a pacakge
            & > :nth-child(5) {
              margin: 2em 0 1em 1em;
              text-align: left;

              // long description of a package
              & > :nth-child(1) {
                margin-top: 1em;

                pre {
                  @include terminal;
                }
              }

              // how to install a package
              & > :nth-child(2) {

                h4 {
                  font-size: 1.2em;
                  line-height: 1em;
                  float: left;
                }

                ul.nav-tabs {
                  margin: 0;

                  & > li > a {
                    margin-right: 0;
                  }
                }

                div.tab-content {
                  padding: 1em;
                  border: 1px solid var(--search-result-expanded-tab-border);
                  border-top: 0;
                  border-radius: 4px 0 4px 4px;
                }

                pre {
                  @include terminal;
                }

              }

              // maintainers and platforms
              & > :nth-child(4) {
                margin-top: 1em;
                display: grid;
                grid-template-columns: auto auto;
              }
            }
          }

          &.option {
            margin: 0;
            padding: 0;

            & > :nth-child(1) {
              padding: 0.5em 0;
            }

            // short details of a pacakge
            & > :nth-child(2) {
              margin: 2em 0 1em 1em;
              display: grid;
              grid-template-columns: 100px 1fr;
              column-gap: 1em;
              row-gap: 0.5em;

              & > div:nth-child(2n+1) {
                font-weight: bold;
                text-align: right;
              }

              & > div:nth-child(2n) {
                pre {
                  background: transparent;
                  color: var(--text-color);
                  margin: 0;
                  padding: 0;
                  border: 0;
                  vertical-align: inherit;
                  display: inline;
                }

                pre code {
                  @include terminal;
                  padding: 0.5em
                }
              }

            }
          }
        }

      }

      // Search results footer
      & > :nth-child(3) {
        margin-top: 1em;

        & > ul > li > a {
          cursor: pointer;
          margin: 0 2px;
        }
      }
    }
  }
}

/* ------------------------------------------------------------------------- */
/* -- Loader --------------------------------------------------------------- */
/* ------------------------------------------------------------------------- */

.loader-wrapper {
  height: 200px;
  overflow: hidden;
  position: relative;
}
.loader,
.loader:before,
.loader:after {
  background: transparent;
  -webkit-animation: load1 1s infinite ease-in-out;
  animation: load1 1s infinite ease-in-out;
  width: 1em;
  height: 4em;
}
.loader {
  color: var(--loader-color);
  text-indent: -9999em;
  margin: 88px auto;
  position: relative;
  font-size: 11px;
  -webkit-transform: translateZ(0);
  -ms-transform: translateZ(0);
  transform: translateZ(0);
  -webkit-animation-delay: -0.16s;
  animation-delay: -0.16s;
}
.loader:before,
.loader:after {
  position: absolute;
  top: 0;
  content: '';
}
.loader:before {
  left: -1.5em;
  -webkit-animation-delay: -0.32s;
  animation-delay: -0.32s;
}
.loader:after {
  left: 1.5em;
}
@keyframes load1 {
  0%,
  80%,
  100% {
    box-shadow: 0 0;
    height: 4em;
  }
  40% {
    box-shadow: 0 -2em;
    height: 5em;
  }
}

/* ------------------------------------------------------------------------- */
/* -- Accessibility overrides ---------------------------------------------- */
/* ------------------------------------------------------------------------- */
.label-info {
  background: var(--info-label-background);
}

// Use the same color for focused and hovered links, as they are underlined anyway
a,
a:focus,
a:hover,
a:focus-visible {
  color: var(--link-color);
}

// // Alternative: Use a slightly more contrasty color
// a:focus,
// a:hover,
// a:focus-visible {
//   color: color-mix(in srgb, var(--link-color) 80%, var(--text-color) 20%)
// }

.pager {
  display: flex;
  justify-content: space-between;
  align-items: center;
  max-width: 20em;
  margin: 0 auto;
  padding: 20px 0;
}

.badge {
  background-color: var(--badge-background)
}