:root{font-family:Inter,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;display:flex;place-items:center;min-width:320px;min-height:100vh}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}.card{padding:2em}#app{max-width:1280px;margin:0 auto;padding:2rem;text-align:center}@media (prefers-color-scheme: light){:root{color:#213547;background-color:#fff}a:hover{color:#747bff}button{background-color:#f9f9f9}}*{margin:0;padding:0;box-sizing:border-box}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;background-color:#f0f2f5;min-height:100vh}.landing-container{display:flex;justify-content:center;align-items:center;min-height:100vh;padding:20px;background:linear-gradient(135deg,#00c300,#090)}.friend-registration-section{background:#fff;border-radius:20px;padding:40px;box-shadow:0 10px 30px #0000001a;text-align:center;max-width:480px;width:100%}.icon-landing{font-size:80px;color:#00c300;margin-bottom:20px;display:block}.main-title{font-size:24px;color:#333;margin-bottom:10px;font-weight:700}.sub-title{font-size:28px;color:#00c300;margin-bottom:30px;font-weight:700}.description{font-size:16px;color:#666;line-height:1.6;margin-bottom:40px}.friend-register-button{background:linear-gradient(135deg,#00c300,#090);color:#fff;border:none;border-radius:50px;padding:18px 40px;font-size:18px;font-weight:700;cursor:pointer;transition:all .3s ease;box-shadow:0 4px 15px #00c3004d;width:100%;max-width:280px}.friend-register-button:hover{background:linear-gradient(135deg,#090,#070);transform:translateY(-2px);box-shadow:0 6px 20px #00c30066}.message-container{display:flex;flex-direction:column;justify-content:center;align-items:center;min-height:90vh;text-align:center;padding:20px}.spinner{border:8px solid #f3f3f3;border-top:8px solid #06C755;border-radius:50%;width:60px;height:60px;animation:spin 1s linear infinite;margin-bottom:20px}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.success-banner{background-color:#06c755;color:#fff;padding:15px 30px;font-size:18px;font-weight:700;border-radius:50px;box-shadow:0 4px 6px #0000001a}.error .icon-error{color:red;font-size:80px;font-weight:700;margin-bottom:20px}.error p{color:red;font-weight:700}