.postbox {
  width: 100%;
  flex-shrink: 0;
  border-top: 1px solid var(--border-color);
  padding: calc(var(--spacer) / 4) calc(var(--spacer) / 2);
}

.postbox .postboxInput {
  position: relative;
  display: flex;
  align-items: flex-end;
  border-radius: var(--border-radius);
  border: 1px solid var(--border-color);
}

.postbox .editable {
  overflow-wrap: break-word;
  white-space: pre-wrap;
  flex-grow: 1;
  outline: none;
  max-height: 80px;
  overflow-y: auto;
  -ms-overflow-style: none;
  scrollbar-width: none;
  padding: calc(var(--spacer) / 4);
}

.postbox .editable:empty:before {
  content: attr(data-placeholder);
  color: var(--color-secondary);
  pointer-events: none;
}

.postbox .editable::-webkit-scrollbar {
  display: none;
}

.replyto {
  position: relative;
  display: flex;
  align-items: flex-start;
  gap: calc(var(--spacer) / 2);
  padding: calc(var(--spacer) / 2);
  font-size: var(--font-size-small);
  background: var(--background-highlight);
  border-top-left-radius: var(--border-radius);
  border-top-right-radius: var(--border-radius);
}

.replytoDetails {
  flex-grow: 1;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.replytoCancel {
  flex-shrink: 0;
  font-size: var(--font-size-large);
  line-height: 1;
  font-weight: bold;
  background: transparent;
  border: none;
  color: currentColor;
  outline: none;
}

.sendButton {
  background-color: transparent;
  border: 0;
  color: var(--color-primary);
  width: 41px;
  height: 41px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-left: 1px solid var(--border-color);
  cursor: pointer;
}

.sendButton:disabled {
  color: var(--color-secondary);
  cursor: default;
}

.sendButton .icon {
  width: 24px;
  fill: currentColor;
}