#RightColumn {
  position: absolute;
  top: 0;
  right: 0;
  width: var(--right-column-width);
  height: 100%;
  transform: translate3d(var(--right-column-width), 0, 0);
  background: var(--color-background);
  border-left: 1px solid var(--color-borders);
  z-index: var(--z-right-column);

  transition: transform var(--layer-transition);

  body.animation-level-0 & {
    transition: none;
  }

  // @optimization
  &:not(:hover) {
    .Picker .chat-item-clickable:nth-child(n + 18) {
      display: none !important;
    }
  }

  @media (max-width: 1275px) {
    box-shadow: 0 .25rem .5rem .125rem var(--color-default-shadow);
  }

  @media (max-width: 600px) {
    width: 100vw;
    transform: translate3d(110vw, 0, 0);
  }

  > .Transition {
    height: calc(100% - var(--header-height));
    overflow: hidden;
  }

  .Management .section > .ChatInfo,
  .profile-info > .ChatInfo {
    padding: 0 1.5rem;
    margin: 1rem 0;
    text-align: center;

    .Avatar {
      margin: 0 auto .5rem;

      &.no-photo {
        cursor: default !important;
      }
    }

    .title {
      display: flex;
      justify-content: center;
      align-items: center;

      h3 {
        font-weight: 500;
        font-size: 1.25rem;
        line-height: 2rem;
        white-space: pre-wrap;
        word-break: break-word;
      }

      .VerifiedIcon {
        margin-left: 0.25rem;
        margin-bottom: .5rem;
      }

      .emoji {
        width: 1.5rem;
        height: 1.5rem;
        background-size: 1.5rem;
      }
    }

    .status {
      font-size: 0.875rem;
      color: #868e96;
    }
  }
}

#RightColumn-wrapper {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: var(--z-right-column);
  overflow: hidden;
  visibility: hidden;
  pointer-events: none;

  @media (max-width: 1275px) {
    position: fixed;
  }

  &.is-hidden {
    display: none;
  }

  .overlay-backdrop {
    position: absolute;
    top: 0;
    right: 0;
    bottom: 0;
    left: 0;
    z-index: -1;
    background: black;
    opacity: 0;

    @media (max-width: 600px) {
      transition: opacity var(--layer-transition);

      body.animation-level-0 & {
        transition: none;
      }
    }
  }

  #Main.right-column-open &, body.animating-right-column & {
    visibility: visible;
  }

  #Main.right-column-open & {
    @media (max-width: 600px) {
      .overlay-backdrop {
        opacity: var(--layer-blackout-opacity);
      }
    }

    #RightColumn {
      pointer-events: auto;
      transform: translate3d(0, 0, 0);
    }
  }
}