#spp-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.6);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 999999;
    padding: 16px;
    box-sizing: border-box;
}

#spp-overlay.spp-active {
    display: flex;
}

#spp-popup {
    position: relative;
    max-width: 92vw;
    max-height: 90vh;
    overflow: auto;
    box-sizing: border-box;
}

#spp-close {
    position: absolute;
    top: 4px;
    right: 10px;
    background: none;
    border: none;
    font-size: 28px;
    line-height: 1;
    cursor: pointer;
    color: #333;
    z-index: 2;
}

body.spp-noscroll {
    overflow: hidden;
}