scinote-web/app/assets/stylesheets/shared/comments_sidebar.scss

// scss-lint:disable SelectorDepth NestingDepth

.comments-sidebar {
  --comments-sidebar-width: 280px;
  animation-timing-function: $timing-function-sharp;
  height: calc(100vh - var(--navbar-height));
  position: fixed;
  right: 0;
  top: var(--navbar-height);
  transition: width .3s;
  width: 0;
  z-index: 1000;

  &.open {
    width: var(--comments-sidebar-width);
  }

  .sidebar-content {
    background: $color-concrete;
    border-left: 1px solid $color-white;
    display: flex;
    flex-direction: column;
    height: 100%;
    position: relative;
    width: var(--comments-sidebar-width);

    .sidebar-header {
      align-items: center;
      border-bottom: $border-default;
      display: flex;
      flex-basis: 5em;
      flex-shrink: 0;
      padding: 1em;

      .comments-subject-title {
        flex-grow: 1;
        height: 2em;
      }

      .close-btn {
        flex-shrink: 0;
      }
    }

    .sidebar-body {
      flex-basis: calc(100% - 10em);
      flex-grow: 1;
      overflow: auto;
      padding: 1em;
    }

    .sidebar-footer {
      border-top: $border-default;
      flex-basis: 5em;
      flex-grow: 1;
      flex-shrink: 0;
      padding: 1em;

      .comment-input-container {
        background: $color-white;
        border-radius: $border-radius-tag;
        padding-right: 2.5em;
        position: relative;

        .comment-input-field {
          animation-timing-function: $timing-function-sharp;
          border: 0;
          display: block;
          line-height: 1.25em;
          max-height: 160px;
          outline: none;
          padding: .5em;
          transition: height .3s;
          width: 100%;
        }

        .send-comment {
          color: $brand-primary;
          display: inline-block;
          line-height: 2.5em;
          position: absolute;
          right: 0;
          text-align: center;
          top: 0;
          width: 2.5em;
        }
      }
    }
  }

  .loading-placeholder {
    display: none;

    @mixin placeholder-avatar {
      @include pulse-animation;
      background: $color-alto;
      border-radius: 50%;
      content: "";
      display: inline-block;
      height: 1.5em;
      width: 1.5em;
    }

    @mixin placeholder-name {
      @include pulse-animation;
      background: $color-alto;
      content: "";
      display: inline-block;
      height: 1em;
      margin: .25em;
      width: 6em;
    }

    .comment-placeholder {
      padding-bottom: 1em;

      .comment-body-placeholder {
        @include pulse-animation;
        background: $color-alto;
        height: 5em;
      }

      &.left {
        margin-right: 1em;

        .comment-user-placeholder {
          &::before {
            @include placeholder-avatar;
          }

          &::after {
            @include placeholder-name;
          }
        }
      }

      &.right {
        margin-left: 1em;

        .comment-user-placeholder {
          text-align: right;

          &::before {
            @include placeholder-name;
          }

          &::after {
            @include placeholder-avatar;
          }
        }
      }
    }
  }

  &.loading {
    .comments-subject-title {
      @include pulse-animation;
      background: $color-alto;
    }

    .loading-placeholder {
      display: initial;
    }
  }
}