/* Message input */
.create-message form {
  display: flex;
  flex-direction: row;
  justify-content: flex-start;
  align-items: stretch;
}

/* The second selector is more generally useful, but it doesn't seem to work,
 * so I added in the first selector. */
.textarea:empty:before,
[contenteditable='true']:empty:before {
  content: attr(placeholder);
  pointer-events: none;
  display: block; /* For Firefox */
}

.create-message .textarea {
  padding: 1rem;
  border: 1px solid var(--colour-input-border);
  z-index: 1; /* Just to make the focus-active border go over the following button. */
  flex-grow: 1;
  background-color: var(--colour-input-bg);
  color: var(--colour-input-text);
  min-height: 1rem;
  max-height: 10rem;
  overflow-x: hidden;
  overflow-y: auto;

  @media (width <= 640px) {
    border-radius: 0;
    min-height: 2.5rem;
  }
}

.create-message button {
  border: 1px solid var(--colour-input-border);
  background-color: var(--colour-input-bg);
  color: var(--colour-input-text);
  padding: 1rem;

  @media (width <= 640px) {
    border-radius: 0;
  }
}

main {
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
  align-items: stretch;
}

/* Workaround for iOS zooming in on the textarea when it gets focus. */
@media screen and (-webkit-min-device-pixel-ratio: 0) {
  select,
  .textarea,
  input {
    font-size: 16px;
  }
}