koel/resources/assets/sass/partials/_mixins.scss

@mixin vertical-center() {
  display: flex;
  align-items: center;
  justify-content: center;
}

@mixin artist-album-wrapper() {
  display: grid;
  grid-gap: 16px;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));

  &.as-list {
    grid-gap: 0.7em 1em;;
    align-content: start;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));

    @media only screen and (max-width: 667px) {
      display: block;

      > * + * {
        margin-top: .7rem;
      }
    }
  }
}

@mixin artist-album-card() {
  .item {
    position: relative;
    max-width: 256px;
    background: var(--color-bg-secondary);
    border: 1px solid var(--color-bg-secondary);
    padding: 16px;
    border-radius: 8px;

    .thumbnail-wrapper {
      overflow: hidden;
      border-radius: 8px;
      display: block;
      background-position: center;
      background-size: cover;
      background-repeat: no-repeat;
    }

    @media only screen and (max-width: 768px) {
      max-width: 100%;
    }

    &:hover .right, &:focus-within .right {
      display: block !important;
    }

    &.compact {
      display: flex;
      flex-direction: row;
      align-items: center;
      max-width: 100%;
      padding: 10px;
      border-radius: 5px;

      .thumbnail-wrapper {
        width: 80px;
        border-radius: 5px;
      }

      footer {
        flex: 1;
        padding: 0 16px;
      }

      .info {
        margin-bottom: 12px;
        white-space: nowrap;
        text-overflow: ellipsis;
        overflow: hidden;
      }

      a.name, a.artist, .sep {
        display: inline;
        white-space: inherit;
      }
    }

    footer {
      padding-top: 16px;
      flex: 1;
      overflow: hidden;
    }

    .name {
      font-weight: var(--font-weight-normal);
    }

    .meta {
      color: var(--color-text-secondary);
      margin-top: 4px;
      font-size: .9rem;
      display: flex;
      justify-content: space-between;

      .right {
        display: none;

        @media (hover: none) {
          display: block;
        }

        a {
          margin-left: 4px;
        }
      }
    }

    a.name, a.artist {
      display: block;
      white-space: nowrap;
      overflow: hidden;
      text-overflow: ellipsis;

      &:link, &:visited {
        color: var(--color-text-primary);
      }

      &:focus, &:hover {
        color: var(--color-highlight);
      }
    }

    .info {
      .compact & {
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
      }
    }
  }
}

@mixin artist-album-info-wrapper() {
  .loading {
    @include vertical-center();
    height: 100%;
  }

  .info-wrapper {
    color: var(--color-text-secondary);
    position: absolute;
    top: 0;
    left: 0;
    background: var(--color-bg-primary);
    width: 100%;
    height: 100%;
    z-index: 2;

    .inner {
      overflow: auto;
      height: 100%;
      padding: 24px 24px 48px;

      @media only screen and (max-width: 768px) {
        padding: 16px;
      }
    }
  }
}

@mixin artist-album-info() {
  h1 {
    @include vertical-center();

    font-weight: var(--font-weight-thin);
    line-height: 2.8rem;

    &.name {
      font-size: 2rem;
    }

    span {
      flex: 1;
      margin-right: 12px;
    }

    a {
      font-size: 14px;

      &:hover {
        color: var(--color-highlight);
      }
    }
  }

  .bio {
    margin-top: 16px;
  }

  .more {
    margin-top: .75rem;
    border-radius: .23rem;
    background: var(--color-blue);
    color: var(--color-text-primary);
    padding: .3rem .6rem;
    display: inline-block;
    text-transform: uppercase;
    font-size: .8rem;
  }

  .cover, .cool-guys-posing {
    width: 100%;
    height: auto;
    display: block;
    border-radius: 8px;
    overflow: hidden;
  }

  .wiki {
    margin-top: 16px;
  }

  .track-listing {
    margin-top: 16px;

    ul {
      overflow: hidden;
    }

    h1 {
      font-size: 1.4rem;
      margin-bottom: 0;
      display: block;
    }

    li {
      display: flex;
      justify-content: space-between;
      padding: 8px;

      &:nth-child(even) {
        background: rgba(255, 255, 255, 0.05);
      }

      &::before {
        // the track counter
        flex: 0 0 24px;
        opacity: .5;
      }

      .title {
        flex: 1;
      }

      .length {
        flex: 0 0 44px;
        text-align: right;
        opacity: .5;
      }

      &.available {
        color: var(--color-text-primary);
        cursor: pointer;

        &:hover {
          color: var(--color-highlight);
        }
      }
    }
  }

  footer {
    margin-top: 24px;
    font-size: .9rem;
    text-align: right;
    clear: both;

    a {
      color: var(--color-text-primary);
      font-weight: var(--font-weight-normal);

      &:hover {
        color: var(--color-text-secondary);
      }
    }
  }

  &.full {
    .cover {
      width: 300px;
      max-width: 100%;
      float: left;
      margin: 0 16px 16px 0;
    }

    h1.name {
      font-size: 2.4rem;

      a.shuffle {
        display: none;
      }
    }
  }

  button.play {
    font-size: 1rem;
    width: 2rem;
    height: 2rem;
    border: 1px solid var(--color-text-secondary);
    border-radius: 9999rem;
    text-indent: .1rem; // the Play triangle icon doesn't look balanced otherwise
    opacity: .5;

    &:hover {
      opacity: 1;
    }
  }
}

@mixin inset-when-pressed() {
  &:active {
    box-shadow: inset 0px 10px 10px -10px rgba(0, 0, 0, 1);
  }
}

@mixin context-menu() {
  padding: .4rem 0;
  min-width: 144px;
  background-color: var(--color-bg-primary);
  position: fixed;
  border-radius: 4px;
  display: flex;
  justify-content: center;
  flex-direction: column;
  z-index: 1001;
  align-items: stretch;
  text-align: left;
  box-shadow: inset 0 0 0 rgba(255, 255, 255, 0.6), 0 2px 15px 4px rgba(0, 0, 0, 0.56), 0 0 0 1px rgba(0, 0, 0, 0.3);

  input[type="search"], input[type="text"], input[type="email"], input[type="url"] {
    background: var(--color-text-primary);

    &:focus {
      background: var(--color-text-primary);
    }
  }
}

@mixin themed-background() {
  background-color: var(--color-bg-primary);
  background-image: var(--bg-image);
  background-attachment: var(--bg-attachment);
  background-size: var(--bg-size);
  background-position: var(--bg-position);
}