body{margin:0;padding:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,sans-serif;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}code{font-family:source-code-pro,Menlo,Monaco,Consolas,Courier New,monospace}.loading-container{background:#fff;border-radius:12px;padding:40px;max-width:500px;width:100%;box-shadow:0 20px 60px #0000004d;text-align:center}.logo{width:80px;height:80px;background:linear-gradient(135deg,#667eea,#764ba2);border-radius:50%;margin:0 auto 20px;display:flex;align-items:center;justify-content:center;font-size:36px;color:#fff}h1{font-size:24px;color:#333;margin-bottom:10px}.loading{margin-top:30px}.spinner{width:50px;height:50px;border:4px solid #f3f3f3;border-top:4px solid #667eea;border-radius:50%;margin:0 auto;animation:spin 1s linear infinite}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.message{margin-top:20px;color:#666;font-size:14px}.reference{background:#f5f5f5;padding:12px;border-radius:6px;margin-top:20px;font-family:Courier New,monospace;font-size:12px;color:#333;word-break:break-all}.error-message{background:#fff;border-radius:12px;padding:40px;max-width:500px;width:100%;box-shadow:0 20px 60px #0000004d;text-align:center}.error-icon{font-size:48px;margin-bottom:20px}.error-message h2{color:#f44336;margin-bottom:10px}.error-message p{color:#666;font-size:14px}.App{text-align:center}