.upb-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.6);
    display: none;
    justify-content: center;
    align-items: center;
    z-index: 9999;
}

.upb-popup {
    background: #fff;
    padding: 30px;
    max-width: 600px;
    width: 90%;
    position: relative;
    border-radius: 8px;
}

.upb-close {
    position: absolute;
    top: 10px;
    right: 15px;
    cursor: pointer;
    font-size: 20px;
}

.upb-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.6);
    display: none;
    justify-content: center;
    align-items: center;
    z-index: 9999;
    animation: upbFade 0.3s ease;
}

.upb-no-scroll {
    overflow: hidden !important;
    height: 100%;
}

@keyframes upbFade {
    from { opacity: 0; }
    to { opacity: 1; }
}