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

.popup-box {
    position: relative;
    background: #fff;
    width: 90%;
    max-width: 400px;
    padding: 24px;
    border-radius: 12px;
    text-align: center;
}

.popup-title {
    color: #dc2626;
    font-weight: bold;
    margin-bottom: 12px;
}

.popup-text {
    color: #333;
    line-height: 1.8;
}

.close-btn {
    position: absolute;
    top: 12px;
    left: 16px;
    font-size: 22px;
    cursor: pointer;
}

#errorPopup:checked + .popup-overlay {
    display: flex;
}

@keyframes popupFade {
    from {
        transform: scale(0.9);
        opacity: 0;
    }

    to {
        transform: scale(1);
        opacity: 1;
    }
}


#errorPopup:checked ~ .popup-overlay {
    display: flex;
}