.popup-custom-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.55);
    display: none;
    justify-content: center;
    align-items: center;
    z-index: 999999;
    padding: 20px;
}

.popup-custom-overlay.show {
    display: flex;
}

.popup-custom-box {
    background: #fff;
    border-radius: 12px;
    padding: 25px;
    max-width: 500px;
    width: 100%;
    position: relative;
    box-shadow: 0 0 30px rgba(0,0,0,0.2);
    animation: pop 0.25s ease;
}

@keyframes pop {
    from { transform: scale(0.75); opacity: 0; }
    to   { transform: scale(1); opacity: 1; }
}

.popup-custom-close {
    position: absolute;
    top: 8px;
    right: 12px;
    cursor: pointer;
    font-size: 24px;
}