.app{min-height:100vh;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,#667eea,#764ba2);padding:20px}.container{background:#fff;border-radius:16px;padding:40px;box-shadow:0 20px 60px #0000004d;max-width:600px;width:100%;text-align:center}h1{color:#333;margin:0 0 10px;font-size:2.5em}.subtitle{color:#666;font-size:1.2em;margin-bottom:30px}.card{background:#f8f9fa;border-radius:12px;padding:30px;margin:30px 0}button{background:#667eea;color:#fff;border:none;padding:15px 30px;font-size:1.1em;border-radius:8px;cursor:pointer;transition:all .3s ease;font-weight:600}button:hover{background:#5568d3;transform:translateY(-2px);box-shadow:0 5px 15px #667eea66}button:active{transform:translateY(0)}.card p{margin-top:15px;color:#666;font-size:.95em}.info{margin-top:30px;padding-top:20px;border-top:1px solid #e0e0e0}.info p{margin:10px 0;color:#555;font-size:.9em}code{background:#f0f0f0;padding:4px 8px;border-radius:4px;font-family:Courier New,monospace;color:#667eea;font-weight:600}*{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}#root{width:100%;min-height:100vh}