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

@keyframes popIn {
  0% {
    transform: scale(0.1);
    opacity: 0;
  }
  100% {
    transform: scale(1);
    opacity: 1;
  }
}

.chat-message-creator {
  display: flex;
  align-items: center;
  width: 100%;
  flex-direction: column;

  --row-height: 36px;

  &__search-icon {
    color: var(--primary-medium);

    &-container {
      display: flex;
      align-items: center;
      height: var(--row-height);
      padding-inline: 0.25rem;
      box-sizing: border-box;
    }
  }

  &__container {
    display: flex;
    align-items: center;
    width: 100%;
    box-sizing: border-box;

    > * {
      box-sizing: border-box;
    }
  }

  &__row {
    display: flex;
    padding-inline: 0.25rem;
    align-items: center;
    border-radius: var(--d-border-radius);
    height: var(--row-height);

    .unread-indicator {
      background: var(--tertiary);
      width: 8px;
      height: 8px;
      display: flex;
      border-radius: 50%;
      margin-left: 0.5rem;

      &.-urgent {
        background: var(--success);
      }
    }

    .selection-indicator {
      visibility: hidden;

      font-size: var(--font-down-2);
      margin-left: auto;

      &.-add {
        color: var(--success);
      }

      &.-remove {
        color: var(--danger);
      }
    }

    .action-indicator {
      display: none;
      margin-left: auto;
      white-space: nowrap;
      font-size: var(--font-down-1);
      color: var(--secondary-medium);
      align-items: center;
      padding-right: 0.25rem;

      kbd {
        margin-left: 0.25rem;
      }
    }

    &.-active {
      .action-indicator {
        display: flex;
      }
    }

    .chat-channel-title__name {
      margin-left: 0;
    }

    .chat-channel-title__avatar,
    .chat-channel-title__category-badge,
    .chat-user-avatar {
      width: 28px;
      height: 28px;
      display: flex;
      align-items: center;
      justify-content: center;
    }

    .chat-channel-title {
      &__users-count {
        width: 24px;
        height: 24px;
        padding: 0;
        justify-content: center;
      }
    }

    .chat-channel-title__name,
    .chat-user-display-name {
      @include ellipsis;
      padding-left: 0.5rem;
    }

    &.-selected {
      .selection-indicator {
        visibility: visible;
      }
    }

    &.-disabled {
      opacity: 0.25;
    }

    &.-active {
      cursor: pointer;

      .chat-user-display-name {
        color: var(--primary);
      }
    }

    &.-user {
      &.-disabled {
        .chat-user-display-name__username.-first {
          font-weight: normal;
        }
      }
      .disabled-text {
        margin-left: auto;
        white-space: nowrap;
        padding-left: 0.25rem;
      }
    }
  }

  &__content {
    box-sizing: border-box;
    display: flex;
    flex-direction: column;
    flex: 1;
    width: 100%;

    &-container {
      display: flex;
      flex: 1;
      width: 100%;
      box-sizing: border-box;
      padding: 0.25rem 1rem 1rem 1rem;
    }
  }

  &__close-btn {
    margin-bottom: auto;
    margin-left: 0.25rem;
    height: 44px;
    width: 44px;
    min-width: 44px;
    border-radius: var(--d-button-border-radius);
  }

  &__selection {
    flex: 1 1 auto;
    flex-direction: row;
    flex-wrap: wrap;
    display: flex;
    background: var(--secondary-very-high);
    border-radius: var(--d-input-border-radius);
    padding: 3px;
    position: relative;

    &-container {
      display: flex;
      box-sizing: border-box;
      width: 100%;
      align-items: center;
      padding: 1rem;
      box-sizing: border-box;
    }
  }

  &__input[type="text"],
  &__input[type="text"]:focus {
    background: none;
    appearance: none;
    outline: none;
    border: 0;
    resize: none;
    box-sizing: border-box;
    min-width: 150px;
    height: var(--row-height);
    flex: 1;
    width: auto;
    padding: 0 5px;
    margin: 0;
    box-sizing: border-box;
    display: inline-flex;
  }

  &__loader {
    &-container {
      display: flex;
      align-items: center;
      padding-inline: 0.5rem;
      height: var(--row-height);
    }
  }

  &__selection-item {
    align-items: center;
    box-sizing: border-box;
    cursor: pointer;
    display: inline-flex;
    background: var(--primary-very-low);
    border-radius: var(--border-radius);
    border: 1px solid var(--primary-low);
    height: calc(var(--row-height) - 6);
    padding-inline: 0.25rem;
    margin: 3px;
    @media (prefers-reduced-motion: no-preference) {
      animation: popIn 0.1s ease-out;
    }

    .d-icon-times {
      margin-top: 4px;
    }

    .chat-channel-title__name {
      padding-inline: 0.25rem;
    }

    &__username {
      padding-inline: 0.25rem;
    }

    &.-active {
      border-color: var(--secondary-high);
    }

    &-remove-btn {
      padding-inline: 0.25rem;
      font-size: var(--font-down-2);
      display: flex;
      align-items: center;
    }

    &:hover {
      border-color: var(--primary-medium);

      .chat-message-creator__selection__remove-btn {
        color: var(--danger);
      }
    }
  }

  &__no-items {
    &-container {
      display: flex;
      align-items: center;
      height: var(--row-height);
      margin-left: 0.5rem;
    }
  }

  &__footer {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    flex-direction: row;
    width: 100%;

    &-container {
      margin-top: auto;
      display: flex;
      width: 100%;
      padding: 1rem;
      box-sizing: border-box;
      border-top: 1px solid var(--primary-low);
    }
  }

  &__open-dm-btn {
    display: flex;
    margin-left: auto;
    @include ellipsis;
    padding: 0.5rem;
    max-width: 40%;

    .d-button-label {
      @include ellipsis;
    }
  }

  &__shortcut {
    display: flex;
    align-items: center;
    font-size: var(--font-down-2);
    color: var(--secondary-medium);
    flex: 3;

    span {
      margin-left: 0.25rem;
      display: inline-flex;
      line-height: 17px;
    }

    kbd {
      margin-inline: 0.25rem;
    }
  }
}