:root{font-family:system-ui,Avenir,Helvetica,Arial,sans-serif;line-height:1.5;font-weight:400;color-scheme:light dark;color:#ffffffde;background-color:#242424;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}a{font-weight:500;color:#646cff;text-decoration:inherit}a:hover{color:#535bf2}body{margin:0;min-width:320px;min-height:100vh;background-color:#f5f5f5;display:flex;justify-content:center;align-items:center;padding:20px;box-sizing:border-box}h1{font-size:3.2em;line-height:1.1}button{border-radius:8px;border:1px solid transparent;padding:.6em 1.2em;font-size:1em;font-weight:500;font-family:inherit;background-color:#1a1a1a;cursor:pointer;transition:border-color .25s}button:hover{border-color:#646cff}button:focus,button:focus-visible{outline:4px auto -webkit-focus-ring-color}@media(prefers-color-scheme:light){:root{color:#213547;background-color:#fff}a:hover{color:#747bff}button{background-color:#f9f9f9}}.container{background-color:#fff;padding:30px;border-radius:12px;box-shadow:0 4px 24px #00000014;text-align:center;width:100%;max-width:500px;margin:0 auto;color:#333;box-sizing:border-box}@media(max-width:600px){.container{padding:20px;box-shadow:0 2px 10px #0000000d}.usd-converter input{width:100%;box-sizing:border-box;margin:5px 0}.usd-converter button{width:100%;margin-top:10px}}.address{background-color:#f0f0f0;padding:15px;border-radius:5px;font-family:monospace;font-size:14px;word-break:break-all;margin:20px 0;color:#333}.copy-btn{background-color:#2196f3;color:#fff;border:none;padding:12px 20px;text-align:center;text-decoration:none;display:inline-block;font-size:16px;margin:4px 2px;cursor:pointer;border-radius:5px}.copy-btn:hover{background-color:#1976d2}.usd-converter{margin:20px 0;background-color:#f9f9f9;padding:15px;border-radius:5px;color:#333}.usd-converter input{padding:10px;width:200px;margin:5px;border:1px solid #ddd;border-radius:5px;background-color:#fff;color:#333}.usd-converter button{padding:10px 20px;background-color:#2196f3;color:#fff;border:none;border-radius:5px;cursor:pointer}.usd-converter button:hover{background-color:#1976d2}.amount-display{font-size:18px;margin:10px 0;font-weight:700;color:#333}.continue-btn{background-color:#2196f3;color:#fff;padding:15px 30px;font-size:18px;border:none;border-radius:5px;cursor:pointer;margin-top:20px;width:100%}.continue-btn:hover{background-color:#1976d2}.info-section{margin:20px 0;padding:15px;background-color:#e8f5e9;border-radius:5px;color:#333}.info-section h3{margin-top:0}.qr-code{margin:20px 0;display:flex;flex-direction:column;align-items:center}.payment-status{margin-top:20px;padding:15px;border-radius:5px;font-weight:700;transition:all .3s ease}.payment-status.waiting{background-color:#f5f5f5;color:#666;border:1px solid #ddd}.payment-status.detected{background-color:#fff3cd;color:#856404;border:1px solid #ffeeba;animation:pulse 2s infinite}.payment-status.confirmed{background-color:#d4edda;color:#155724;border:1px solid #c3e6cb}@keyframes pulse{0%{opacity:1}50%{opacity:.7}to{opacity:1}}.footer-link{margin-top:20px;font-size:14px}.footer-link a{color:#666;text-decoration:none}.footer-link a:hover{color:#2196f3;text-decoration:underline}