discourse/plugins/chat/assets/stylesheets/common/chat-message-info.scss

.chat-message-info {
  display: flex;
  align-items: center;
  justify-content: flex-start;
}

.chat-message-info__username {
  display: inline-flex;
  align-items: center;

  & + .chat-message-info__bot-indicator,
  & + .chat-message-info__date {
    margin-left: 0.25em;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
  }
}

.chat-message-info__username__name {
  color: var(--secondary-low);
  font-weight: 700;
  @include ellipsis;
  max-width: 180px;
}

.chat-message-info__bot-indicator {
  text-transform: uppercase;
  padding: 0.25em;
  background: var(--primary-low);
  border-radius: var(--d-border-radius);
  font-size: var(--font-down-2);

  & + .chat-message-info__date {
    margin-left: 0.25em;
  }
}

.chat-message-info__date {
  color: var(--primary-high);
  font-size: var(--font-down-1);

  &:hover,
  &:focus {
    .chat-time {
      color: var(--primary);
    }
  }

  & + .chat-message-info__flag {
    margin-left: 0.25em;
  }
}

.chat-message-info__flag {
  color: var(--secondary-medium);
}

.chat-message-info__bookmark {
  .d-icon-discourse-bookmark-clock,
  .d-icon-bookmark {
    color: var(--primary-low-mid);
    font-size: var(--font-down-2);
    margin-left: 0.5em;
  }
}

.chat-message-info__status {
  display: flex;
  margin-left: 0.2em;
  margin-right: 0.2em;

  .emoji {
    width: 16px;
    height: 16px;
  }
}