.App{text-align:center;min-height:100vh;display:flex;align-items:center;justify-content:center}.App-header{background:linear-gradient(135deg,#667eea,#764ba2);padding:3rem;border-radius:20px;color:#fff;box-shadow:0 20px 60px #0000004d}h1{font-size:3rem;margin-bottom:1rem;font-weight:700}.card{margin:2rem 0}button{background:#fff;color:#667eea;border:none;padding:1rem 2rem;font-size:1.2rem;border-radius:50px;cursor:pointer;font-weight:600;transition:all .3s ease;box-shadow:0 4px 15px #0003}button:hover{transform:translateY(-2px);box-shadow:0 6px 20px #0000004d}button:active{transform:translateY(0)}.info{margin:.5rem 0;opacity:.9;font-size:.9rem}*{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:#f5f5f5}