.checkout-container{width:100%;max-width:520px;padding:20px}.checkout-card{background:#fff;border-radius:16px;padding:40px 36px;box-shadow:0 2px 12px #0000000f,0 12px 40px #00000014}.checkout-header{text-align:center;margin-bottom:28px}.checkout-title{letter-spacing:-.02em;margin-bottom:6px;font-size:1.6rem;font-weight:700}.checkout-subtitle{color:#6b7c93;font-size:.9rem}.product-section{background:linear-gradient(135deg,#f8fafc 0%,#f1f5f9 100%);border:1px solid #e2e8f0;border-radius:12px;margin-bottom:28px;padding:24px}.product-badge{color:#fff;letter-spacing:.05em;text-transform:uppercase;background:#0f172a;border-radius:20px;margin-bottom:10px;padding:3px 10px;font-size:.7rem;font-weight:600;display:inline-block}.product-name{color:#0f172a;margin-bottom:14px;font-size:1.25rem;font-weight:700}.product-features{flex-direction:column;gap:8px;margin-bottom:20px;list-style:none;display:flex}.product-features li{color:#475569;padding-left:22px;font-size:.88rem;position:relative}.product-features li:before{content:"✓";color:#16a34a;font-size:.85rem;font-weight:700;position:absolute;left:0}.product-price-row{border-top:1px solid #e2e8f0;justify-content:space-between;align-items:baseline;padding-top:16px;display:flex}.product-price-label{color:#64748b;font-size:.9rem;font-weight:500}.product-price{color:#0f172a;letter-spacing:-.02em;font-size:1.75rem;font-weight:800}.tax-label{color:#94a3b8;font-size:.75rem;font-weight:400}.error-message{color:#dc2626;text-align:center;background:#fef2f2;border:1px solid #fecaca;border-radius:10px;margin-bottom:20px;padding:14px 18px;font-size:.88rem}.loading{color:#64748b;justify-content:center;align-items:center;gap:12px;padding:32px;font-size:.9rem;display:flex}.spinner{border:3px solid #e2e8f0;border-top-color:#0f172a;border-radius:50%;width:22px;height:22px;animation:.7s linear infinite spin}@keyframes spin{to{transform:rotate(360deg)}}.subscribe-button{color:#fff;cursor:pointer;letter-spacing:-.01em;background:#0f172a;border:none;border-radius:10px;justify-content:center;align-items:center;gap:8px;width:100%;margin-bottom:12px;padding:16px 24px;font-size:1.05rem;font-weight:600;transition:background .2s,transform .1s;display:flex}.subscribe-button:hover:not(:disabled){background:#1e293b;transform:translateY(-1px)}.subscribe-button:active:not(:disabled){transform:translateY(0)}.subscribe-button:disabled{opacity:.5;cursor:not-allowed}.btn-spinner{border:2px solid #ffffff4d;border-top-color:#fff;border-radius:50%;width:18px;height:18px;animation:.7s linear infinite spin}.subscribe-note{text-align:center;color:#94a3b8;margin-bottom:24px;font-size:.78rem}.checkout-footer{text-align:center;border-top:1px solid #f1f5f9;padding-top:20px}.secure-badge{color:#16a34a;align-items:center;gap:6px;margin-bottom:8px;font-size:.78rem;font-weight:500;display:inline-flex}.powered-by{color:#94a3b8;font-size:.72rem}.powered-by strong{color:#64748b;font-weight:600}@media (width<=520px){.checkout-card{padding:28px 20px}.product-price{font-size:1.4rem}}.completion-container{width:100%;max-width:480px;padding:20px}.completion-card{text-align:center;background:#fff;border-radius:12px;padding:48px 40px;box-shadow:0 4px 24px #00000014}.status-content{margin-bottom:32px}.status-icon{border-radius:50%;justify-content:center;align-items:center;width:64px;height:64px;margin:0 auto 20px;font-size:1.75rem;font-weight:700;display:flex}.success .status-icon{color:#16a34a;background:#dcfce7}.processing .status-icon{color:#d97706;background:#fef3c7}.failed .status-icon{color:#dc2626;background:#fef2f2}.status-content h1{margin-bottom:12px;font-size:1.5rem}.status-content p{color:#6b7c93;margin-bottom:8px}.sub-text{font-size:.85rem}.spinner-large{border:4px solid #e0e6ed;border-top-color:#5469d4;border-radius:50%;width:40px;height:40px;margin:0 auto 16px;animation:.7s linear infinite spin}.back-link{color:#5469d4;border:2px solid #5469d4;border-radius:8px;padding:12px 24px;font-weight:600;text-decoration:none;transition:all .2s;display:inline-block}.back-link:hover{color:#fff;background:#5469d4}*,:before,:after{box-sizing:border-box;margin:0;padding:0}body{color:#32325d;background-color:#f6f9fc;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;line-height:1.6}#root{justify-content:center;align-items:center;min-height:100vh;display:flex}