@media (max-width: 760px) {
  .app-shell .chat-pane {
    height: min(100dvh, var(--chat-viewport-height, 100dvh));
  }
  .composer textarea {
    max-height: clamp(42px, calc(var(--chat-viewport-height, 100dvh) - 24rem), 128px);
  }
  .message-list {
    --chat-composer-gap: 16px;
    padding-bottom: var(--chat-bottom-clearance, 10rem);
    scroll-padding-bottom: var(--chat-bottom-clearance, 10rem);
    overflow-anchor: none;
  }
}