.success-container{text-align:center;max-width:600px;margin:40px auto;font-family:Arial,sans-serif}.receipt{text-align:left;background:#fafafa;border:1px solid #ddd;border-radius:8px;margin:20px 0;padding:20px}.download-btn{color:#fff;cursor:pointer;background:#0070ba;border:none;border-radius:6px;padding:12px 20px;font-size:16px}.download-btn:hover{background:#005c99}.loading-spinner{border:8px solid #f3f3f3;border-top-color:#0070ba;border-radius:50%;width:60px;height:60px;margin:40px auto;animation:1s linear infinite spin}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}