.spb-popup-overlay{position:fixed;top:0;left:0;width:100%;height:100%;background:rgba(0,0,0,0.7);z-index:999998;display:none}
.spb-popup-container{position:fixed;top:50%;left:50%;transform:translate(-50%,-50%);background:#fff;border-radius:8px;max-width:90%;max-height:90%;overflow:auto;z-index:999999;padding:20px}
.spb-popup-close{position:absolute;top:10px;right:15px;font-size:24px;cursor:pointer;background:none;border:none}
.spb-popup input[type="email"]{width:100%;padding:10px;margin-bottom:10px;border:1px solid #ddd;border-radius:4px}
.spb-popup button[type="submit"]{width:100%;padding:12px;background:#2271b1;color:#fff;border:none;border-radius:4px;cursor:pointer}
.spb-popup-visible{display:block !important}