soapbox/app/styles/chats.scss

.pane {
  box-shadow: 0 0 6px 0 rgba(0, 0, 0, 0.3);
  position: fixed;
  bottom: 0;
  right: 20px;
  width: 265px;
  height: 265px;
  max-height: calc(100vh - 70px);
  display: flex;
  flex-direction: column;
  z-index: 99999;
  transition: 0.2s;

  &--main {
    height: calc(100vh - 70px);

    .pane__header {
      font-size: 16px;
    }
  }

  &--minimized {
    height: 31px;
  }

  &__header {
    box-sizing: border-box;
    background: var(--brand-color);
    color: #fff;
    padding: 0 10px;
    font-weight: bold;
    border-radius: 6px 6px 0 0;
    display: flex;
    align-items: center;
    height: 31px;

    .account__avatar {
      margin-right: 7px;
    }

    .pane__title {
      white-space: nowrap;
      overflow: hidden;
      text-overflow: ellipsis;
      width: 100%;
      height: 100%;
      background: transparent;
      border: 0;
      padding: 0;
      color: #fff;
      font-weight: bold;
      text-align: left;
      font-size: 14px;
    }

    .icon-button {
      color: #fff;

      > div {
        height: auto !important;
        width: auto !important;
        margin-right: -6px;
      }
    }

    .pane__close {
      margin-left: auto;
    }
  }

  &__content {
    background: var(--foreground-color);
    display: flex;
    flex: 1;
    flex-direction: column;
    overflow: hidden;
  }

  &__actions {
    background: var(--foreground-color);
    margin-top: auto;
    padding: 6px;

    input {
      width: 100%;
      margin: 0;
      box-sizing: border-box;
      padding: 6px;
      background: var(--background-color);
      border: 0;
      border-radius: 6px;
      color: var(--primary-text-color);
      font-size: 16px;
    }
  }
}

.chat-messages {
  overflow-y: scroll;
}

.chat-message {
  margin: 14px 10px;
  display: flex;

  &__bubble {
    padding: 4px 10px;
    max-width: 70%;
    border-radius: 10px;
    background-color: var(--background-color);
  }

  &--me .chat-message__bubble {
    margin-left: auto;
    background-color: hsla(var(--brand-color_hsl), 0.2);
  }
}