@media (min-width: 481px) {
  .chat-panel {
    width: min(560px, calc(100vw - 48px));
    height: min(720px, calc(100vh - 48px));
    min-width: 420px;
    min-height: 500px;
    resize: both;
  }

  .chat-header {
    cursor: move;
    user-select: none;
    touch-action: none;
  }

  .chat-header button {
    cursor: pointer;
  }
}