#popspark-popup {
    display: none;
    position: fixed;
    z-index: 9999;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    backdrop-filter: blur(3px);
    justify-content: center;
    align-items: center;
}

.popspark-content {
    background: #fff;
    color: #333;
    padding: 20px 30px;
    max-width: 500px;
    border-radius: 10px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
    position: relative;
    animation: fadeIn 0.4s ease-in-out;
}

#popspark-close {
    position: absolute;
    top: 10px;
    right: 15px;
    font-size: 22px;
    cursor: pointer;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(-20px); }
    to { opacity: 1; transform: translateY(0); }
}