/* Keep the assistant's writing area full width; put compact controls below it. */
form:has(> textarea[aria-label^="Message "]) {
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr) 44px;
  gap: 8px;
  align-items: end;
}
form:has(> textarea[aria-label^="Message "]) > textarea {
  grid-column: 1 / -1;
  grid-row: 1;
  width: 100%;
  min-height: 96px;
}
form:has(> textarea[aria-label^="Message "]) > button[type="button"] {
  grid-column: 1;
  grid-row: 2;
}
form:has(> textarea[aria-label^="Message "]) > div:has(> button[aria-pressed]) {
  grid-column: 2;
  grid-row: 2;
  min-width: 0;
}
form:has(> textarea[aria-label^="Message "]) > div > button[aria-pressed] {
  width: 36px;
  min-width: 36px;
  height: 36px;
  flex-shrink: 0;
}
form:has(> textarea[aria-label^="Message "]) > button[type="submit"] {
  grid-column: 3;
  grid-row: 2;
}