discourse/plugins/chat/assets/stylesheets/common/chat-channel-title.scss

.chat-channel-title-wrapper {
  display: flex;
  align-items: center;
}

.chat-channel-title {
  display: flex;
  align-items: center;
  @include ellipsis;

  .user-status-message {
    display: none; // we only show when in channels list
  }

  .chat-name,
  .category-chat-name,
  &__usernames,
  .dm-usernames {
    @include ellipsis;
    font-size: var(--font-0);
    margin: 0;

    .emoji {
      height: 1.2em;
      vertical-align: text-bottom;
      width: 1.2em;
    }
  }

  .d-icon-lock {
    margin-right: 0.25em;
  }

  .topic-chat-icon {
    color: var(--primary-medium);
    display: flex;
  }

  .chat-unread-count {
    display: inline-block;
    color: var(--secondary);
    background-color: var(--tertiary-med-or-tertiary);
    font-size: var(--font-down-2);
    border-radius: 100%;
    min-width: 1.4em;
    min-height: 1.4em;
    height: 1.4em;
    width: 1.4em;
    padding: 1px;
    margin-left: 0.5rem;
    text-align: center;
  }
}

.chat-channel-title__users-count {
  display: flex;
  border-radius: 50%;
  background: rgba(var(--primary-rgb), 0.1);
  width: 22px;
  height: 22px;
  box-sizing: border-box;
  text-align: center;
  font-weight: 700;
  font-size: var(--font-down-1);
  align-items: center;
  padding: 0.25rem 0.5rem;
}

.chat-channel-title__category-badge {
  color: var(--primary-medium);
  display: flex;
  font-size: var(--font-up-1);
  position: relative;
}

.chat-channel-title .chat-user-avatar {
  font-size: var(--font-up-1);

  + .chat-channel-title__usernames {
    margin-left: 0.5rem;
  }
}

.chat-channel-title__restricted-category-icon {
  background-color: var(--secondary);
  position: absolute;
  border-radius: 50%;
  padding: 2px 2px 3px;
  color: var(--primary-high);
  height: 0.5rem;
  width: 0.5rem;
  right: -0.5rem;
  top: -0.1rem;
}

.chat-channel-title__category-title {
  .emoji {
    height: 1.2em;
    vertical-align: text-bottom;
    width: 1.2em;
  }
}

.chat-channel-title__name {
  @include ellipsis;
  font-size: var(--font-0);
  color: var(--primary);
  margin-left: 0.5rem;
}

.channel-info {
  .chat-channel-title__name {
    max-width: 100%;
  }
}

.has-unread .chat-channel-title__name {
  font-weight: bold;
}