signal-desktop/stylesheets/components/CompositionArea.scss

.CompositionArea {
  position: relative;
  min-height: 42px;
  padding-top: 6px;

  &__placeholder {
    flex-grow: 1;
    margin: {
      bottom: 6px;
    }
  }

  &__row {
    display: flex;
    flex-direction: row;
    &--center {
      justify-content: center;
    }
    &--padded {
      padding: 0 12px;
    }
    &--control-row {
      margin-top: 8px;
    }
    &--column {
      flex-direction: column;
    }
  }

  &__button-cell {
    margin-top: 2px;
    display: flex;
    justify-content: center;
    align-items: center;
    width: 40px;
    height: 100%;
    flex-shrink: 0;
    &--mic-active {
      width: 150px;
    }
    &--large-right {
      margin-left: auto;
      margin-right: 4px;
    }
    &--large-right-mic-active {
      margin-left: auto;
      margin-right: 12px;
    }
  }
  &__send-button {
    width: 32px;
    height: 32px;
    display: flex;
    justify-content: center;
    align-items: center;
    background: none;
    border: none;
    &::after {
      display: block;
      content: '';
      width: 24px;
      height: 24px;
      flex-shrink: 0;
      @include color-svg('../images/icons/v2/send-24.svg', $color-ultramarine);
    }
  }
  &__input {
    flex-grow: 1;
  }
  $comp-area: &;
  &__toggle-large {
    width: 48px;
    height: 24px;
    position: absolute;
    left: calc(50% - 24px);
    top: -18px;
    border-radius: 12px 12px 0 0;
    pointer-events: none;

    opacity: 0;
    transition: opacity 200ms ease-out;

    #{$comp-area}:hover & {
      opacity: 1;
      pointer-events: all;
    }

    @include light-theme() {
      background-color: $color-white;
    }

    @include dark-theme() {
      background-color: $color-gray-95;
    }

    &__button {
      width: 48px;
      height: 24px;
      border: none;

      @include light-theme() {
        @include color-svg(
          '../images/icons/v2/expand-up-20.svg',
          $color-gray-45,
          false
        );
      }

      @include dark-theme() {
        @include color-svg(
          '../images/icons/v2/expand-up-20.svg',
          $color-gray-45,
          false
        );
      }

      &--large-active {
        @include light-theme() {
          @include color-svg(
            '../images/icons/v2/collapse-down-20.svg',
            $color-gray-45,
            false
          );
        }

        @include dark-theme() {
          @include color-svg(
            '../images/icons/v2/collapse-down-20.svg',
            $color-gray-45,
            false
          );
        }
      }
    }
  }
  &__attachment-list {
    width: 100%;
  }

  &--sms-only {
    display: flex;
    flex-direction: column;
    align-items: center;

    // Note the margin in &__placeholder above
    padding: 14px 16px 18px 16px;

    &:not(.module-composition-area--pending) {
      @include light-theme {
        border-top: 1px solid $color-gray-05;
      }
      @include dark-theme {
        border-top: 1px solid $color-gray-75;
      }
    }

    &__title {
      @include font-body-2-bold;
      margin: 0 0 2px 0;

      @include light-theme {
        color: $color-gray-60;
      }
      @include dark-theme {
        color: $color-gray-05;
      }
    }

    &__body {
      @include font-body-2;
      text-align: center;

      margin: 0;

      @include light-theme {
        color: $color-gray-60;
      }
      @include dark-theme {
        color: $color-gray-05;
      }
    }
  }
}