#bcsp-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,.6);
    z-index: 99999;
    display: none;
    justify-content: center;
    align-items: center;
}

#bcsp-popup {
    background: #fff;
    width: 90%;
    max-width: 600px;
    padding: 30px;
    border-radius: 8px;
    position: relative;
    box-shadow: 0 10px 30px rgba(0,0,0,.2);
}

#bcsp-close {
    position: absolute;
    right: 10px;
    top: 10px;
    border: none;
    background: transparent;
    font-size: 28px;
    cursor: pointer;
}

.bcsp-content {
    font-size: 16px;
    line-height: 1.6;
}