.App{min-height:100vh;display:flex;flex-direction:column}.App-header{background:linear-gradient(135deg,#667eea,#764ba2);color:#fff;padding:2rem;text-align:center}.App-header h1{font-size:3rem;margin-bottom:.5rem;font-weight:700}.App-header p{font-size:1.2rem;opacity:.9}main{flex:1;padding:2rem;display:flex;justify-content:center;align-items:center;font-size:1.2rem;color:#666}footer{background-color:#333;color:#fff;padding:1rem;text-align:center}footer small{opacity:.8}*{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-color:#f5f5f5}#root{min-height:100vh}