.books-grid {

}

.books-grid ul {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 24px;
    padding: 0;
    margin: 0;
    list-style: none;
}

.books-grid ul li {
    border-radius: 10px;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.books-grid li:hover {
    transform: translateY(-4px);
    box-shadow: 0 10px 25px rgba(0,0,0,0.12);
}

.books-grid li img {
    width: 100%;
    aspect-ratio: 3 / 4;
    object-fit: cover;
    display: block;
    border-radius: 10px;
    transition: transform 0.3s ease;
    transform: scale(1);
    will-change: transform;
}

.books-grid li:hover img {
    transform: scale(1.05);
}

.books-grid ul li a {
    display: block;
    overflow: hidden;
    border-radius: 10px;
    border: solid 1px #ecf1f9;
    box-shadow: 0px 7px 14px 0px rgba(234, 237, 242, 0.5);
}

.books-grid ul li h2.book-title {
    font-size: 14px;
    font-weight: 500;
    margin-top: 10px;
    text-align: center;
}

.nav-tabs .nav-item.show .nav-link, .nav-tabs .nav-link.active {
    color: #FFF;
    background-color: #62c54e;
    border-color: #62c54e #62c54e #fff;
}

.nav-tabs .nav-link {
    margin-bottom: 0;
    margin-right: 7px;
    font-size: 14px;
    border-top-left-radius: .25rem;
    border-top-right-radius: .25rem;
    border-bottom-left-radius: .25rem;
    border-bottom-right-radius: .25rem;
    background: #FAFAFA;
    border: solid 1px #f1f1f1;
}

.nav-tabs {
    border-bottom: 0;
}

.loading-spinner .spinner-border {
    color: #46cb30 !important;
}

.hicheelmn-books-container .loading-spinner .spinner-border {
    color: #46cb30;
}

.loading-spinner .spinner-border {
    animation: spinner-border 0.75s linear infinite !important;
    color: #FF5722;
}

@keyframes spinner-border {
    to { transform: rotate(360deg); }
}

.spinner-border {
    display: inline-block;
    width: 2rem;
    height: 2rem;
    vertical-align: text-bottom;
    border: 0.25em solid currentColor;
    border-right-color: transparent;
    border-radius: 50%;
    animation: spinner-border .75s linear infinite;
}

@media (max-width: 1200px) {
  .books-grid ul {
    grid-template-columns: repeat(4, 1fr);
  }
}

@media (max-width: 768px) {
  .books-grid ul {
    grid-template-columns: repeat(2, 1fr);
  }
}

.hicheelmn-books-container.loading {
    display: none;
}

.hicheelmn-books-container:not(.loading) {
    display: block;
}