*{margin:0;padding:0;box-sizing:border-box}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Fira Sans,Droid Sans,Helvetica Neue,sans-serif;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;background:linear-gradient(135deg,#667eea,#764ba2);min-height:100vh;overflow:hidden}#root{width:100%;height:100vh;display:flex;align-items:center;justify-content:center}*{-webkit-user-select:none;-moz-user-select:none;-ms-user-select:none;user-select:none}input,textarea{-webkit-user-select:text;-moz-user-select:text;-ms-user-select:text;user-select:text}