#scroll-popup {
    position: fixed;
    bottom: -100px;
    right: 30px;
    background: #0d6efd;
    color: white;
    padding: 14px 22px;
    border-radius: 8px;
    font-weight: 600;
    box-shadow: 0 8px 20px rgba(0,0,0,0.15);
    transition: all 0.4s ease;
    opacity: 0;
    z-index: 999999;
}