*{margin:0;padding:0;box-sizing:border-box}body{margin:0;background:#fff}#root{width:100%;height:100vh}.app-container{width:100%;height:100vh;display:flex;justify-content:center;align-items:center;background:#fff}.chatkit-widget{width:100%;max-width:480px;height:700px;border-radius:16px;box-shadow:0 8px 32px #0000001f}@media(max-width:768px){.chatkit-widget{max-width:100%;height:100vh;border-radius:0;box-shadow:none}}