.app{min-height:100vh;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,#667eea,#764ba2)}.container{text-align:center;padding:2rem;background:#fffffff2;border-radius:20px;box-shadow:0 20px 60px #0000004d;max-width:600px;margin:0 1rem}h1{font-size:3rem;color:#333;margin-bottom:1rem;font-weight:700;background:linear-gradient(135deg,#667eea,#764ba2);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.subtitle{font-size:1.25rem;color:#666;font-weight:300}@media (max-width: 640px){h1{font-size:2rem}.subtitle{font-size:1rem}}*{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}