:root {
	--d503-map-accent: var(--theme-palette-color-1, #006466);
	--d503-map-border: rgba(127, 140, 154, 0.28);
	--d503-map-muted: var(--theme-palette-color-3, #7f8c9a);
	--d503-map-surface: rgba(15, 20, 26, 0.82);
	--d503-map-offset: 171px;
}

.d503-reading-map {
	color: var(--d503-map-muted);
	font-family: var(--theme-font-family, Palatino, serif);
	font-size: 0.78rem;
	line-height: 1.35;
}

.d503-reading-map--desktop {
	display: none;
}

.d503-reading-map__title {
	margin: 0 0 0.85rem;
	color: var(--theme-headings-color, #fff);
	font-family: monospace;
	font-size: 0.68rem;
	font-weight: 600;
	letter-spacing: 0.1em;
	text-transform: uppercase;
}

.d503-reading-map__list {
	margin: 0;
	padding: 0;
	list-style: none;
	counter-reset: d503-map-item;
}

.d503-reading-map__list li {
	position: relative;
	margin: 0;
	padding: 0 0 0.72rem 1.5rem;
	counter-increment: d503-map-item;
}

.d503-reading-map__list li::before {
	content: counter(d503-map-item, decimal-leading-zero);
	position: absolute;
	left: 0;
	top: 0.08em;
	color: var(--d503-map-accent);
	font-family: monospace;
	font-size: 0.72em;
}

.d503-reading-map__list a {
	color: inherit;
	text-decoration: none;
	text-decoration-thickness: 1px;
	text-underline-offset: 0.2em;
}

.d503-reading-map__list a:hover,
.d503-reading-map__list a:focus-visible {
	color: var(--theme-headings-color, #fff);
	text-decoration: underline;
	text-decoration-color: var(--d503-map-accent);
}

.d503-reading-map--mobile {
	display: block;
	margin: 0 0 1.5rem;
	border-top: 1px solid var(--d503-map-border);
	border-bottom: 1px solid var(--d503-map-border);
	background: linear-gradient(90deg, var(--d503-map-surface), transparent 72%);
}

.d503-reading-map--mobile summary {
	padding: 0.65rem 0;
	color: var(--theme-headings-color, #fff);
	cursor: pointer;
	font-family: monospace;
	font-size: 0.68rem;
	font-weight: 600;
	letter-spacing: 0.08em;
	text-transform: uppercase;
}

.d503-reading-map--mobile nav {
	padding: 0.1rem 0 0.45rem;
}

.entry-content h2[id] {
	scroll-margin-top: var(--d503-map-offset);
}

@media (min-width: 1900px) {
	.d503-reading-map--desktop {
		display: block;
		position: fixed;
		top: var(--d503-map-offset);
		left: 24px;
		width: min(220px, calc((100vw - var(--theme-normal-container-max-width, 1290px)) / 2 - 48px));
		max-height: calc(100vh - var(--d503-map-offset) - 32px);
		overflow-y: auto;
		overscroll-behavior: contain;
		padding: 0 16px 0 14px;
		border-left: 1px solid var(--d503-map-border);
		scrollbar-width: thin;
		scrollbar-color: var(--d503-map-border) transparent;
	}

	.d503-reading-map--mobile {
		display: none;
	}
}

@media (max-width: 1199px) {
	:root {
		--d503-map-offset: 94px;
	}
}

@media (max-width: 689px) {
	:root {
		--d503-map-offset: 82px;
	}
}

@media (prefers-reduced-motion: reduce) {
	.d503-reading-map {
		scroll-behavior: auto;
	}
}