/* Messenger interaction surface only: preserve pan and pinch zoom while
 * avoiding delayed/double-tap zoom on application controls.
 */
body[data-page="messenger"] #app {
  touch-action: manipulation;
}

@media (max-width: 860px), (pointer: coarse) {
  /* The legacy eco-max-vb layer sets 15px with !important. Match its
   * specificity contract so iOS does not zoom the viewport on composer focus.
   */
  body[data-page="messenger"] #app #composer-input {
    font-size: 16px !important;
  }
}