/* ซ่อนปุ่มใน PC */
.card-hover .book-button {
    display: none;
}

/* แสดงปุ่มเมื่อ hover (เฉพาะ PC) */
@media (hover: hover) and (pointer: fine) {
    .card-hover:hover .book-button {
        display: block;
        position: absolute;
        top: 150px;
        left: 10%;
        width: 80%;
        height: 50px;
        background-color: white;
        color: black;
        border: none;
        border-radius: 5px;
        font-size: 10px;
        font-weight: bold;
        text-align: center;
        line-height: 50px;
        text-decoration: none;
    }
}

/* แสดงปุ่มเสมอในมือถือ */
@media (max-width: 768px) {
    .card-hover .book-button {
        display: block !important;
        position: relative;
        margin: 10px auto 0 auto;
        top: auto;
        left: auto;
        width: 90%;
        height: 45px;
        background-color: #4DA866;
        color: white;
        font-size: 14px;
        font-weight: bold;
        text-align: center;
        line-height: 45px;
        border-radius: 10px;
        text-decoration: none;
    }
}