.cbg-book-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
    padding: 20px;
}

@media (max-width: 768px) {
    .cbg-book-grid {
        grid-template-columns: 1fr;
    }
}

.cbg-book-card {
    background-color: #fff;
    border: 1px solid #ddd;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    transition: transform 0.2s ease-in-out;
    display: flex;
    flex-direction: column;
    height: 100%;
}

.cbg-book-card:hover {
    transform: translateY(-4px);
}

.cbg-book-thumb img {
    width: 100%;
    height: auto;
    display: block;
}

.cbg-book-content {
    padding: 16px;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
}

.cbg-book-title {
    font-size: 1.3em;
    margin-bottom: 8px;
    color: #222;
}

.cbg-book-subtitle {
    font-size: 1em;
    font-weight: 500;
    color: #777;
    margin-bottom: 10px;
}

.cbg-book-excerpt {
    font-size: 0.95em;
    color: #555;
    flex-grow: 1;
}

.cbg-read-button {
    display: inline-block;
    margin-top: 15px;
    padding: 10px 16px;
    background-color: #0073aa;
    color: #fff;
    text-decoration: none;
    border-radius: 4px;
    font-weight: 600;
    text-align: center;
    transition: background-color 0.2s ease;
}

.cbg-read-button:hover {
    background-color: #005a87;
}

.cbg-no-books {
    text-align: center;
    padding: 30px;
    color: #999;
}