*{box-sizing:border-box;margin:0;padding:0}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;background:linear-gradient(135deg,#667eea,#764ba2);min-height:100vh;color:#1a1a2e;line-height:1.6}.container{max-width:480px;margin:0 auto;padding:20px}.card{background:#fff;border-radius:16px;box-shadow:0 10px 40px rgba(0,0,0,.15);padding:24px;margin-bottom:16px}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:14px 28px;border:none;border-radius:12px;font-size:16px;font-weight:600;cursor:pointer;transition:all .2s ease;text-decoration:none}.btn-primary{background:linear-gradient(135deg,#667eea,#764ba2);color:#fff}.btn-primary:hover:not(:disabled){transform:translateY(-2px);box-shadow:0 4px 12px rgba(102,126,234,.4)}.btn-primary:disabled{opacity:.6;cursor:not-allowed}.btn-secondary{background:#f0f0f5;color:#1a1a2e}.btn-secondary:hover{background:#e5e5ea}.payment-methods{display:flex;align-items:center;justify-content:center;gap:12px;flex-wrap:wrap;padding:16px 0}.payment-icon{height:28px;opacity:.85;transition:opacity .2s}.payment-icon:hover{opacity:1}h1,h2,h3{color:#1a1a2e;margin-bottom:8px}.text-muted{color:#6b7280}.text-center{text-align:center}.mb-4{margin-bottom:16px}.mb-6{margin-bottom:24px}.mt-4{margin-top:16px}.mt-6{margin-top:24px}@keyframes spin{to{transform:rotate(1turn)}}