/* ==========================================================================
   CDM Table of Contents - unified layout (page + single + taxonomy archive)
   Markup: .cdm-toc-layout.has-toc > aside.cdm-toc + div.cdm-toc-body
   ========================================================================== */

/* Desktop (>= 850px): TOC sidebar left, content right capped at 1000px. */
.cdm-toc-layout.has-toc {
	display: flex;
	gap: 30px;
	align-items: flex-start;
	text-align: left;
}

.cdm-toc-layout.has-toc .cdm-toc {
	flex: 0 0 300px;
	max-width: 300px;
	position: sticky;
	top: 100px;
}

.cdm-toc-layout.has-toc .cdm-toc-body {
	flex: 1 1 auto;
	max-width: 1000px;
	min-width: 0;
}

/* Anchor jumps clear the sticky header. */
.cdm-toc-layout .cdm-toc-body h2,
.cdm-toc-layout .cdm-toc-body h3,
.cdm-toc-layout .cdm-toc-body h4 {
	scroll-margin-top: 100px;
}

/* TOC nav styling. */
.cdm-toc-nav {
	border: 1px solid #e5e5e5;
	border-radius: 6px;
	padding: 16px 18px;
	background: #fafafa;
	font-size: 0.95em;
}

.cdm-toc-nav .cdm-toc-title {
	margin: 0 0 10px;
	font-weight: 600;
	text-transform: uppercase;
	font-size: 0.9em;
	letter-spacing: 0.03em;
}

.cdm-toc-nav ul {
	list-style: none;
	margin: 0;
	padding: 0;
}

.cdm-toc-nav .cdm-toc-sub {
	margin-left: 16px;
}

.cdm-toc-nav .cdm-toc-item {
	margin: 4px 0;
	line-height: 1.4;
}

.cdm-toc-nav a {
	text-decoration: none;
	display: block;
	border-left: 2px solid transparent;
	padding-left: 10px;
	margin-left: -10px;
	transition: color 0.15s ease, border-color 0.15s ease;
}

.cdm-toc-nav a:hover {
	text-decoration: underline;
}

/* Active heading (scrollspy). */
.cdm-toc-nav a.is-active {
	color: var(--primary-color, #446084);
	font-weight: 600;
	border-left-color: var(--primary-color, #446084);
	text-decoration: none;
}

/* Tablet + mobile (<= 849px): stack, full-width collapsible panel on top. */
@media (max-width: 849px) {
	.cdm-toc-layout.has-toc {
		flex-direction: column;
		gap: 18px;
	}
	.cdm-toc-layout.has-toc .cdm-toc {
		flex-basis: auto;
		max-width: 100%;
		position: static;
		top: auto;
	}
	.cdm-toc-layout.has-toc .cdm-toc-body {
		max-width: none;
	}

	/* Collapsible: title becomes a tappable toggle with a caret. */
	.cdm-toc.is-collapsible .cdm-toc-title {
		margin: 0;
		display: flex;
		align-items: center;
		justify-content: space-between;
		cursor: pointer;
		user-select: none;
	}
	.cdm-toc.is-collapsible .cdm-toc-title::after {
		content: "";
		width: 8px;
		height: 8px;
		border-right: 2px solid currentColor;
		border-bottom: 2px solid currentColor;
		transform: rotate(45deg);
		transition: transform 0.2s ease;
		margin-left: 8px;
		flex: 0 0 auto;
	}
	.cdm-toc.is-collapsible.is-collapsed .cdm-toc-title::after {
		transform: rotate(-45deg);
	}
	.cdm-toc.is-collapsible.is-collapsed .cdm-toc-list {
		display: none;
	}
	.cdm-toc.is-collapsible .cdm-toc-title:focus-visible {
		outline: 2px solid var(--primary-color, #446084);
		outline-offset: 2px;
	}
}

/* Mobile (<= 549px): tighter spacing + smaller nav text. */
@media (max-width: 549px) {
	.cdm-toc-layout.has-toc {
		gap: 14px;
	}
	.cdm-toc-nav {
		font-size: 0.9em;
		padding: 12px 14px;
	}
}