/* Sticky Button Main Style */
#wscb-sticky-btn {
    position: fixed;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 9999;

    background-color: #0073aa; /* Màu nền xanh dương, bạn có thể thay đổi */
    color: #ffffff;
    padding: 15px 30px;
    border: none;
    border-radius: 50px;
    font-size: 16px;
    font-weight: bold;
    cursor: pointer;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
    transition: opacity 0.4s ease-in-out, visibility 0.4s ease-in-out, transform 0.2s ease;

    /* Ensure it's on top of everything */
    -webkit-backface-visibility: hidden;
    backface-visibility: hidden;
}

#wscb-sticky-btn:hover {
    background-color: #005a87; /* Màu nền khi hover */
    transform: translateX(-50%) scale(1.05);
}

/* Hidden state */
.wscb-hidden {
    opacity: 0;
    visibility: hidden;
    pointer-events: none; /* Ngăn không cho click khi ẩn */
}

/* Visible state */
.wscb-visible {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
}