.scl-toc {
	--scl-toc-ink: #1a1f24;
	--scl-toc-muted: #5c656e;
	--scl-toc-line: rgba(26, 31, 36, 0.12);
	--scl-toc-accent: #0b5f8a;
	--scl-toc-surface: #f4f6f8;
	box-sizing: border-box;
	width: 100%;
	max-width: 40rem;
	margin: 0 0 1.5rem;
	color: var(--scl-toc-ink);
}

.scl-toc *,
.scl-toc *::before,
.scl-toc *::after {
	box-sizing: border-box;
}

.scl-toc__details {
	margin: 0;
	padding: 0;
	border: 1px solid var(--scl-toc-line);
	border-radius: 6px;
	background: #fff;
	overflow: hidden;
}

.scl-toc__summary {
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: 0.75rem;
	padding: 0.85rem 1rem;
	background: var(--scl-toc-surface);
	border-bottom: 1px solid transparent;
	cursor: pointer;
	list-style: none;
	font-size: 0.95rem;
	font-weight: 700;
	line-height: 1.3;
	color: var(--scl-toc-ink);
	user-select: none;
}

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

.scl-toc__summary::after {
	content: "";
	flex: 0 0 auto;
	width: 0.55rem;
	height: 0.55rem;
	border-right: 2px solid var(--scl-toc-muted);
	border-bottom: 2px solid var(--scl-toc-muted);
	transform: rotate(45deg);
	transition: transform 0.18s ease;
	margin-top: -0.2rem;
}

.scl-toc__details[open] > .scl-toc__summary {
	border-bottom-color: var(--scl-toc-line);
}

.scl-toc__details[open] > .scl-toc__summary::after {
	transform: rotate(225deg);
	margin-top: 0.15rem;
}

.scl-toc__summary-text {
	flex: 1 1 auto;
	min-width: 0;
}

.scl-toc__count {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	min-width: 1.5rem;
	height: 1.5rem;
	padding: 0 0.4rem;
	border-radius: 999px;
	background: #e8f1f6;
	color: var(--scl-toc-accent);
	font-size: 0.75rem;
	font-weight: 700;
	line-height: 1;
}

.scl-toc__list {
	margin: 0;
	padding: 0.65rem 1rem 0.85rem 1.9rem;
	list-style: decimal;
}

.scl-toc__item {
	margin: 0;
	padding: 0.28rem 0;
	line-height: 1.4;
}

.scl-toc__link {
	color: var(--scl-toc-ink);
	font-size: 0.95rem;
	font-weight: 550;
	text-decoration: none;
	border-bottom: 1px solid transparent;
}

.scl-toc__link:hover,
.scl-toc__link:focus {
	color: var(--scl-toc-accent);
	border-bottom-color: currentColor;
	outline: none;
}

/* Smooth anchor jump clearance under sticky headers. */
.entry-content h2[id],
.scl-toc ~ h2[id],
article h2[id] {
	scroll-margin-top: 5rem;
}

@media (prefers-reduced-motion: reduce) {
	.scl-toc__summary::after {
		transition: none;
	}
}