.cbl-book-grid {
	display: grid;
	gap: 24px;
	margin: 0;
	padding: 0;
	list-style: none;
}

.cbl-columns-1 { grid-template-columns: repeat(1, 1fr); }
.cbl-columns-2 { grid-template-columns: repeat(2, 1fr); }
.cbl-columns-3 { grid-template-columns: repeat(3, 1fr); }
.cbl-columns-4 { grid-template-columns: repeat(4, 1fr); }

@media (min-width: 768px) and (max-width: 980px) {
	.cbl-columns-3,
	.cbl-columns-4 {
		grid-template-columns: repeat(2, 1fr);
	}
}

@media (max-width: 767px) {
	.cbl-book-grid {
		grid-template-columns: repeat(1, 1fr) !important;
	}
}

.cbl-book-card {
	border: 1px solid #e2e2e2;
	border-radius: 8px;
	padding: 16px;
	background: #fff;
	display: flex;
	flex-direction: column;
}

.cbl-book-cover {
	text-align: center;
	margin-bottom: 12px;
}

.cbl-book-cover img {
	max-width: 100%;
	height: auto;
	border-radius: 4px;
}

.cbl-book-info {
	flex: 1;
	display: flex;
	flex-direction: column;
}

.cbl-badge {
	display: inline-block;
	font-size: 11px;
	font-weight: 700;
	text-transform: uppercase;
	letter-spacing: 0.05em;
	padding: 3px 8px;
	border-radius: 3px;
	margin-bottom: 8px;
	align-self: flex-start;
}

.cbl-badge-required { background: #fdecea; color: #b3261e; }
.cbl-badge-optional { background: #e8f0fe; color: #1a56c4; }

.cbl-book-title {
	margin: 0 0 4px;
	font-size: 18px;
	line-height: 1.3;
}

.cbl-book-classes {
	display: flex;
	flex-wrap: wrap;
	gap: 6px;
	margin: 0 0 8px;
}

.cbl-book-class-tag {
	display: inline-block;
	font-size: 11px;
	font-weight: 600;
	color: #4a4a4a;
	background: #f0f0f0;
	border-radius: 3px;
	padding: 2px 8px;
}

.cbl-book-author {
	margin: 0 0 6px;
	font-style: italic;
	color: #555;
}

.cbl-book-meta {
	margin: 0 0 10px;
	font-size: 13px;
	color: #777;
}

.cbl-book-buy-link {
	margin-top: auto;
	display: inline-block;
	text-align: center;
	padding: 8px 14px;
	border-radius: 4px;
	background: #2ea3f2;
	color: #fff !important;
	text-decoration: none;
	font-weight: 600;
	font-size: 14px;
}

.cbl-book-buy-link:hover { background: #1c8ad6; }

.cbl-no-books {
	font-style: italic;
	color: #777;
}