// 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;
      flex-wrap: wrap;
      padding: 1em;

      .comments-subject-title {
        @include font-h3;
        flex-grow: 1;
        height: 2em;
        line-height: 2em;
        overflow: hidden;
        text-overflow: ellipsis;
        white-space: nowrap;
      }

      .comments-subject-url {
        flex-basis: 100%;
      }

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

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

      .no-comments-placeholder {
        display: none;
        padding: 1em;

        .no-comments-image {
          display: block;
          margin: 0 auto;
        }

        .description {
          @include font-main;
          color: $color-silver-chalice;
        }
      }

      .comments-list:empty + .no-comments-placeholder {
        display: block;
      }
    }

    .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;
          cursor: pointer;
          display: inline-block;
          line-height: 2.5em;
          position: absolute;
          right: 0;
          text-align: center;
          top: 0;
          width: 2.5em;
        }
      }

      .update-buttons {
        display: none;
        margin-top: .5em;
      }

      .error-container {
        @include font-small;
        color: $brand-danger;
      }

      &.update {
        .update-buttons {
          display: block;
        }
      }
    }
  }

  .comment-container {
    margin: 0 1em .25em 0;

    .comment-header {
      align-items: center;
      display: flex;
      margin-bottom: .5em;
      margin-top: 2em;
      min-height: 1.75em;

      .user-name {
        margin: 0 .5em;
        order: 2;
      }

      .user-avatar {
        max-width: 1.75em;
      }
    }

    .comment-body {
      background: $color-white;
      border-radius: $border-radius-default;

      .comment-message {
        @include font-main;
        color: $color-volcano;
        padding: .5em 1em;
      }
    }

    .comment-footer {
      align-items: center;
      display: flex;
      padding: 0 1em .5em;

      .comment-menu-container {
        margin-left: auto;

        .open-dropdown-btn {
          cursor: pointer;
          line-height: 2em;
          text-align: center;
          width: 2em;
        }

        .comment-dropdown-menu {
          @include font-button;

          a {
            padding: .5em 1em;
          }

          .fas {
            margin-right: .5em;
          }
        }
      }

      .comment-create-date {
        @include font-small;
        color: $color-volcano;
        opacity: .5;
      }
    }

    &.current-user {
      margin: 0 0 .25em 1em;

      .comment-body {
        background: $color-alto;
      }

      .comment-header {
        justify-content: flex-end;

        .user-avatar {
          order: 3;
        }
      }
    }
  }

  .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;
    }
    .sidebar-body {
      .comments-list:empty + .no-comments-placeholder {
        display: none;
      }
    }
  }
}