.book-card {
    transition: transform 0.2s;
}

.book-card:hover {
    transform: translateY(-5px);
}

.card {
    height: 100%;
    border: 1px solid var(--bs-border-color);
}

.btn-group {
    width: 100%;
    margin-top: auto;
}

.btn-group .btn {
    flex: 1;
}