/**
 * WP ContentKit - Smart TOC Frontend Styles
 * Isolated and lightweight CSS (<3KB).
 */

.wpck-toc-container {
	background: #f8fafc;
	border: 1px solid #e2e8f0;
	border-radius: 10px;
	padding: 20px 24px;
	margin: 28px 0;
	font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen-Sans, Ubuntu, Cantarell, "Helvetica Neue", sans-serif;
	box-sizing: border-box;
	transition: all 0.2s ease;
}

/* Header */
.wpck-toc-header {
	display: flex;
	align-items: center;
	justify-content: space-between;
	margin-bottom: 14px;
}

.wpck-toc-title {
	margin: 0;
	font-size: 18px;
	font-weight: 700;
	color: #0f172a;
	line-height: 1.3;
}

/* Toggle Button */
.wpck-toc-toggle-btn {
	background: transparent;
	border: 1px solid #cbd5e1;
	border-radius: 4px;
	width: 28px;
	height: 28px;
	display: flex;
	align-items: center;
	justify-content: center;
	cursor: pointer;
	color: #64748b;
	font-size: 11px;
	transition: all 0.2s ease;
	padding: 0;
}

.wpck-toc-toggle-btn:hover {
	background: #e2e8f0;
	color: #0f172a;
}

.wpck-toc-toggle-btn[aria-expanded="false"] .wpck-toggle-icon-close {
	display: none;
}

.wpck-toc-toggle-btn[aria-expanded="false"] .wpck-toggle-icon-open {
	display: inline-block;
}

.wpck-toc-toggle-btn[aria-expanded="true"] .wpck-toggle-icon-close {
	display: inline-block;
}

.wpck-toc-toggle-btn[aria-expanded="true"] .wpck-toggle-icon-open {
	display: none;
}

/* List Structure */
.wpck-toc-body {
	transition: max-height 0.3s ease-out;
}

.wpck-toc-list,
.wpck-toc-sublist {
	list-style: none !important;
	margin: 0 !important;
	padding: 0 !important;
}

.wpck-toc-sublist {
	padding-left: 18px !important;
	margin-top: 6px !important;
}

.wpck-toc-item {
	margin: 0 0 8px 0 !important;
	padding: 0 !important;
	line-height: 1.5;
}

.wpck-toc-item:last-child {
	margin-bottom: 0 !important;
}

.wpck-toc-item a {
	color: #334155;
	text-decoration: none;
	font-size: 14.5px;
	display: inline-block;
	transition: color 0.15s ease;
}

.wpck-toc-item a:hover {
	color: #2563eb;
	text-decoration: underline;
}

.wpck-toc-number {
	font-weight: 600;
	color: #64748b;
	margin-right: 4px;
}

/* Active Heading Highlight */
.wpck-toc-item.wpck-active > a {
	color: #2563eb !important;
	font-weight: 600;
}

.wpck-toc-item.wpck-active > a .wpck-toc-number {
	color: #2563eb;
}

/* Responsive adjustments */
@media (max-width: 640px) {
	.wpck-toc-container {
		padding: 16px 18px;
		margin: 20px 0;
	}
	.wpck-toc-title {
		font-size: 16px;
	}
	.wpck-toc-item a {
		font-size: 14px;
	}
}