:root{--primary-cyan: #00ffff;--bg-dark: #1a1d28;--bg-card: #2a2d3a;--text-primary: #ffffff;--text-secondary: #9ca3af;--border-radius: 16px}*{margin:0;padding:0;box-sizing:border-box}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,sans-serif;background:linear-gradient(135deg,#1a1d28,#2a2d3a);color:var(--text-primary);min-height:100vh;display:flex;align-items:center;justify-content:center;padding:20px}#app{width:100%;max-width:600px}.loading{text-align:center;padding:60px 20px}.spinner{width:50px;height:50px;margin:0 auto 20px;border:4px solid rgba(0,255,255,.1);border-top-color:var(--primary-cyan);border-radius:50%;animation:spin 1s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.loading p{color:var(--text-secondary);font-size:16px}.content{animation:fadeIn .5s ease-in}.hidden{display:none}@keyframes fadeIn{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}.container{text-align:center}.logo{margin-bottom:40px}.logo h1{font-size:36px;font-weight:700;background:linear-gradient(135deg,var(--primary-cyan) 0%,#00cccc 100%);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.referral-card{background:var(--bg-card);border-radius:var(--border-radius);padding:30px;margin-bottom:40px;border:2px solid rgba(0,255,255,.1)}.referral-card .icon{font-size:48px;margin-bottom:16px}.referral-card h2{font-size:24px;margin-bottom:8px}.referral-card p{color:var(--text-secondary);margin-bottom:16px}.referral-code{display:inline-block;background:#00ffff1a;color:var(--primary-cyan);padding:12px 24px;border-radius:12px;font-size:24px;font-weight:700;letter-spacing:2px;border:2px solid var(--primary-cyan)}.download-section{margin-bottom:50px}.download-section h3{font-size:28px;margin-bottom:8px}.subtitle{color:var(--text-secondary);margin-bottom:30px}.store-buttons{display:flex;flex-direction:column;gap:16px;max-width:300px;margin:0 auto}.store-button{display:flex;align-items:center;gap:12px;padding:14px 24px;background:var(--bg-card);border:2px solid rgba(255,255,255,.1);border-radius:12px;text-decoration:none;color:var(--text-primary);transition:all .3s ease}.store-button:hover{transform:translateY(-2px);border-color:var(--primary-cyan);box-shadow:0 8px 24px #0ff3}.store-icon{width:32px;height:32px;flex-shrink:0}.button-text{display:flex;flex-direction:column;align-items:flex-start;text-align:left}.button-text .small{font-size:10px;text-transform:uppercase;color:var(--text-secondary);letter-spacing:.5px}.button-text .large{font-size:18px;font-weight:600}.features{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:20px;margin-top:40px}.feature{background:var(--bg-card);padding:24px;border-radius:12px;border:1px solid rgba(255,255,255,.05)}.feature-icon{font-size:32px;margin-bottom:12px}.feature h4{font-size:16px;margin-bottom:4px}.feature p{font-size:13px;color:var(--text-secondary)}@media(max-width:480px){.logo h1{font-size:28px}.referral-card{padding:24px}.referral-code{font-size:20px;padding:10px 20px}.download-section h3{font-size:24px}.features{grid-template-columns:1fr}}