.list-layout {
	display: grid;
	grid-template-columns: 260px 1fr;
	gap: 16px;
}

.sidebar {
	padding: 18px;
	height: fit-content;
	position: sticky;
	top: 24px;
}

.category-tree {
	display: flex;
	flex-direction: column;
	gap: 8px;
}

.category-tree > .cat-item,
.category-tree .cat-parent {
	display: flex;
	align-items: center;
	justify-content: center;
	padding: 12px 10px;
	border-radius: 10px;
	font-size: 14px;
	color: var(--novel-subtext);
	text-align: center;
	line-height: 1.4;
}

.category-tree > .cat-item:hover,
.category-tree > .cat-item.active,
.category-tree .cat-parent:hover,
.category-tree .cat-parent.active {
	background: var(--novel-primary-soft);
	color: var(--novel-primary);
	font-weight: 600;
}

.category-group {
	border: 1px solid var(--novel-line);
	border-radius: 12px;
	background: #fffcf8;
	overflow: hidden;
}

.cat-parent {
	margin: 0;
	border-radius: 0;
}

.sub-category-list {
	display: grid;
	grid-template-columns: 1fr;
	gap: 6px;
	padding: 0 10px 10px;
	max-height: 0;
	overflow: hidden;
	opacity: 0;
	transition: max-height 0.2s ease, opacity 0.2s ease, padding 0.2s ease;
}

.category-group:hover .sub-category-list,
.category-group:focus-within .sub-category-list,
.category-group.has-active .sub-category-list {
	max-height: 480px;
	opacity: 1;
	padding: 0 10px 10px;
}

.sub-cat-link {
	display: block;
	padding: 8px 10px;
	border-radius: 8px;
	font-size: 13px;
	color: var(--novel-subtext);
	background: #fff;
	border: 1px solid var(--novel-line);
	line-height: 1.4;
}

.sub-cat-link:hover,
.sub-cat-link.active {
	background: var(--novel-primary-soft);
	border-color: #e8d5bc;
	color: var(--novel-primary);
	font-weight: 600;
}

.list-main {
	padding: 22px;
}

.list-header {
	margin-bottom: 18px;
}

.list-header h1 {
	margin: 0 0 8px;
	font-size: 24px;
}

.list-header p {
	margin: 0;
	color: var(--novel-subtext);
	line-height: 1.6;
}

.filter-tags {
	display: flex;
	gap: 8px;
	flex-wrap: wrap;
	margin-top: 14px;
}

.filter-tag {
	padding: 6px 12px;
	border-radius: 999px;
	border: 1px solid var(--novel-line);
	font-size: 12px;
}

.filter-tag.active {
	background: var(--novel-primary);
	border-color: var(--novel-primary);
	color: #fff;
}

@media (max-width: 900px) {
	.list-layout {
		grid-template-columns: 1fr;
	}
}