/**
 * AT WebKit Pro — Frontend utilities (TOC)
 */

.at-toc {
	display: block;
	margin: 0 0 1.5em;
	padding: 0.85em 1.1em 1em;
	border: 1px solid #e5e7eb;
	border-radius: 10px;
	background: #f3f4f6;
	color: #1f2937;
}

.at-toc__summary {
	cursor: pointer;
	list-style: none;
	user-select: none;
	font-size: 1rem;
	line-height: 1.4;
}

.at-toc__summary::-webkit-details-marker {
	display: none;
}

.at-toc__summary::before {
	content: "▸";
	display: inline-block;
	margin-right: 0.45em;
	transition: transform 0.15s ease;
	color: #6b7280;
}

.at-toc[open] > .at-toc__summary::before {
	transform: rotate(90deg);
}

.at-toc__list {
	margin: 0.75em 0 0;
	padding: 0 0 0 0.15em;
	list-style: none;
}

.at-toc__item {
	margin: 0.35em 0;
	line-height: 1.45;
}

.at-toc__item--h3 {
	margin-left: 1.15em;
	font-size: 0.95em;
}

.at-toc__link {
	color: #0f766e;
	text-decoration: none;
}

.at-toc__link:hover,
.at-toc__link:focus {
	text-decoration: underline;
	outline: none;
}