.app{min-height:100vh;background:linear-gradient(135deg,#667eea,#764ba2);padding:40px 20px}.container{max-width:800px;margin:0 auto;text-align:center}.container h1{color:#fff;font-size:48px;margin-bottom:8px}.footer{margin-top:48px;padding-top:24px;border-top:1px solid rgba(255,255,255,.2)}.footer span{color:#fffc}.footer a{color:#ffffffe6;text-decoration:underline}*{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}code{font-family:source-code-pro,Menlo,Monaco,Consolas,Courier New,monospace}