/* AvatarStack */

/* Stacked avatars can be used to show who is participating in thread when
** there is limited space available. */

.AvatarStack {
  position: relative;
  min-width: 26px;
  height: 20px;

  & .AvatarStack-body {
    position: absolute;
  }

  &.AvatarStack--two {
    min-width: 36px;
  }

  &.AvatarStack--three-plus {
    min-width: 46px;
  }
}

.AvatarStack-body {
  display: flex;
  background: var(--color-canvas-default);
  border-radius: 100px;

  & .avatar {
    position: relative;
    z-index: 2;
    display: flex;
    width: 20px;
    height: 20px;
    box-sizing: content-box;
    margin-right: -11px;
    background-color: var(--color-canvas-default);
    border-right: var(--borderWidth-thin, 1px) solid var(--color-canvas-default);
    border-radius: var(--borderRadius-small, 4px);
    box-shadow: none;
    transition: margin 0.1s ease-in-out;

    &:first-child {
      z-index: 3;
    }

    &:last-child {
      z-index: 1;
      border-right: 0;
    }

    & img {
      border-radius: var(--borderRadius-small, 4px);
    }

    /* Account for 4+ avatars */
    &:nth-child(n + 4) {
      display: none;
      opacity: 0;
    }
  }

  &:hover {
    & .avatar {
      margin-right: 3px;
    }

    & .avatar:nth-child(n + 4) {
      display: flex;
      opacity: 1;
    }

    & .avatar-more {
      display: none !important;
    }
  }
}

.avatar.avatar-more {
  z-index: 1;
  margin-right: 0;
  background: var(--color-canvas-subtle);

  &::before,
  &::after {
    position: absolute;
    display: block;
    height: 20px;
    content: '';
    border-radius: 2px;
    outline: var(--borderWidth-thin, 1px) solid var(--color-canvas-default);
  }

  &::before {
    width: 17px;
    background: var(--color-avatar-stack-fade-more);
  }

  &::after {
    width: 14px;
    background: var(--color-avatar-stack-fade);
  }
}

/* Right aligned variation */

.AvatarStack--right {
  & .AvatarStack-body {
    right: 0;
    flex-direction: row-reverse;

    &:hover .avatar {
      margin-right: 0;
      margin-left: 3px;
    }

    & .avatar:not(:last-child) {
      border-left: 0;
    }
  }

  & .avatar.avatar-more {
    background: var(--color-avatar-stack-fade);

    &::before {
      width: 5px;
    }

    &::after {
      width: 2px;
      background: var(--color-canvas-subtle);
    }
  }

  & .avatar {
    margin-right: 0;
    margin-left: -11px;
    border-right: 0;
    border-left: var(--borderWidth-thin, 1px) solid var(--color-canvas-default);
  }
}