Compose {
  display: flex
  flex-direction: column

  textarea {
    $fontBasic

    padding: .6rem
    $borderSubtle
    border-top-left-radius: 0
    border-top-right-radius: 0
  }

  input.channel {
    $borderSubtle
    border-bottom: none
    border-bottom-left-radius: 0
    border-bottom-right-radius: 0
    padding: .5rem

    :focus {
      outline: none
      box-shadow: none
    }
    :disabled {
      background-color: #f1f1f1
      cursor: not-allowed
    }
  }

  section.actions {
    display: flex
    flex-direction: row
    align-items: baseline
    justify-content: space-between

    margin-top: .4rem

    input[type="file"] {

      padding: .5rem 0

      width: 2.5rem
      height: 1.5rem
      color: transparent

      ::-webkit-file-upload-button {
        visibility: hidden
      }

      ::before {
        $attachButton
        padding-top: .3rem

        content: '📎'
        font-size: 1rem

        outline: none
        white-space: nowrap
        -webkit-user-select: none
      }

      :active, :focus {
        outline: none
        box-shadow: none
      }
    }

    div.Button {
    }
  }

  -expanded {
    textarea {
      height: 200px
      transition: height .15s ease-out
    }

    input.channel {
      display: flex
    }

    section.actions {
      display: flex
    }
  }

  -contracted {
    textarea {
      height: 50px
      transition: height .15s ease-in
    }

    input.channel {
      display: none
    }

    section.actions {
      display: none
    }
  }

}

$attachButton {
  background: #fff
  color: #666
  border: 1px solid #b9b9b9
  padding: .5rem
  margin: 0
  cursor: pointer
}