.kobo-related-grid-container {
    margin-bottom: 20px;
    padding: 10px 0;
    border-top: 1px solid #eee;
}

.kobo-grid-title {
    font-weight: bold;
    margin-bottom: 10px;
    font-size: 14px;
}

.kobo-grid-wrapper {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.kobo-grid-item {
    display: block;
    width: 60px;
    height: 60px;
    border: 1px solid #ddd;
    padding: 2px;
    transition: border-color 0.3s ease;
}

.kobo-grid-item:hover {
    border-color: #000;
}

.kobo-grid-item.is-current {
    border-color: #000;
    position: relative;
    pointer-events: none; 
    border-width: 2px;
}


.kobo-grid-item.is-current::after {
    content: '\2713';
    position: absolute;
    top: -8px;
    right: -8px;
    background: #000;
    color: #fff;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 11px;
    font-weight: bold;
    z-index: 10;
}

.kobo-grid-item img,
.kobo-grid-item .kobo-color-swatch {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    box-shadow: inset 0 0 2px rgba(0,0,0,0.1); 
}