/**
 * THD Wholesale – single posts: table of contents + reading progress bar
 * Loaded by inc/features/post-toc.php on single posts only. Colours fall back
 * to the brand tokens defined in style.css (:root --thdw-*).
 */

/* ---------- Table of contents ----------
   Inserted before the first heading of the post content by post-toc.php. */
.hd-toc {
	--toc-bg:     #f3f8f6;
	--toc-border: var(--thdw-mint, #bed5cf);
	--toc-accent: var(--thdw-orange, #fc9e01);
	--toc-title:  var(--thdw-teal, #025960);
	--toc-text:   #3b4f4e;

	box-sizing: border-box;
	background: var(--toc-bg);
	border: 1px solid var(--toc-border);
	border-top: 3px solid var(--toc-accent);
	border-radius: 8px;
	padding: 18px 22px 20px;
	margin: 36px 0 32px;
	font-family: inherit;
}
.hd-toc *,
.hd-toc *::before,
.hd-toc *::after { box-sizing: border-box; }

.hd-toc .hd-toc__head {
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: 12px;
}
.hd-toc .hd-toc__title {
	display: inline-flex;
	align-items: center;
	gap: 10px;
	margin: 0;
	font-size: 20px;
	font-weight: 700;
	line-height: 1.2;
	letter-spacing: 0;
	text-transform: none;
	color: var(--toc-title);
}
.hd-toc .hd-toc__title svg {
	width: 18px;
	height: 18px;
	flex: none;
	stroke: var(--toc-accent);
	fill: none;
	stroke-width: 2.25;
	stroke-linecap: round;
	stroke-linejoin: round;
}

.hd-toc .hd-toc__toggle {
	display: inline-flex;
	align-items: center;
	gap: 6px;
	margin: 0;
	padding: 6px 12px;
	min-height: 0;
	background: #ffffff;
	border: 1px solid var(--toc-border);
	border-radius: 999px;
	box-shadow: none;
	font-family: inherit;
	font-size: 12px;
	font-weight: 600;
	line-height: 1;
	letter-spacing: 0;
	text-transform: none;
	color: var(--toc-title);
	cursor: pointer;
	transition: border-color .15s;
}
.hd-toc .hd-toc__toggle:hover,
.hd-toc .hd-toc__toggle:focus {
	background: #ffffff;
	color: var(--toc-title);
	border-color: var(--toc-title);
}
.hd-toc .hd-toc__toggle:focus-visible { outline: 2px solid var(--toc-accent); outline-offset: 2px; }
.hd-toc .hd-toc__toggle svg {
	width: 12px;
	height: 12px;
	stroke: currentColor;
	fill: none;
	stroke-width: 2.5;
	stroke-linecap: round;
	stroke-linejoin: round;
	transition: transform .2s;
}
.hd-toc.hd-toc--closed .hd-toc__toggle svg { transform: rotate(-90deg); }

.hd-toc ol.hd-toc__list {
	list-style: none;
	margin: 14px 0 0;
	padding: 0;
	counter-reset: hd-toc;
}
.hd-toc.hd-toc--closed ol.hd-toc__list { display: none; }
.hd-toc li.hd-toc__item,
.hd-toc li.hd-toc__subitem { list-style: none; margin: 0; padding: 0; }
.hd-toc li.hd-toc__item { counter-increment: hd-toc; }

.hd-toc .hd-toc__link {
	display: flex;
	align-items: flex-start;
	gap: 10px;
	padding: 7px 10px;
	margin: 0 -10px;
	border-radius: 6px;
	font-size: 14px;
	font-weight: 500;
	line-height: 1.45;
	color: var(--toc-text);
	text-decoration: none;
	box-shadow: none;
	transition: background .15s, color .15s;
}
.hd-toc li.hd-toc__item > .hd-toc__link::before {
	content: counter(hd-toc) ".";
	flex: none;
	min-width: 22px;
	font-weight: 700;
	color: var(--toc-title);
}
.hd-toc .hd-toc__link:hover,
.hd-toc .hd-toc__link:focus {
	color: var(--toc-title);
	background: rgba(2, 89, 96, .06);
	text-decoration: none;
}
.hd-toc .hd-toc__link.is-active {
	color: var(--toc-title);
	font-weight: 600;
	background: rgba(2, 89, 96, .08);
	box-shadow: inset 3px 0 0 var(--toc-accent);
}

.hd-toc ol.hd-toc__sub {
	list-style: none;
	margin: 2px 0 6px 32px;
	padding: 0;
	border-left: 1px solid var(--toc-border);
}
.hd-toc ol.hd-toc__sub .hd-toc__link { margin: 0; padding: 5px 10px 5px 14px; font-size: 13px; font-weight: 400; }
.hd-toc ol.hd-toc__sub .hd-toc__link.is-active { font-weight: 600; box-shadow: inset 2px 0 0 var(--toc-accent); }

/* Headings the TOC links to stop below the sticky header. */
.single .entry-content h2[id],
.single .entry-content h3[id],
.single .entry-content h4[id] { scroll-margin-top: 120px; }

@media (max-width: 640px) {
	.hd-toc { padding: 16px 16px 18px; }
	.hd-toc .hd-toc__title { font-size: 18px; }
	.hd-toc ol.hd-toc__sub { margin-left: 22px; }
}

/* ---------- Reading progress bar ----------
   Printed by post-toc.php in the footer. The custom properties are set inline
   from the 'progress' settings (track #bed5cf, bar #ffffff) and can be
   overridden here. */
.hd-progress {
	position: fixed;
	top: 0;
	left: 0;
	right: 0;
	height: var(--progress-bar-height, 4px);
	background-color: var(--progress-bar-background-color, #bed5cf);
	z-index: var(--progress-bar-background-z-index, 1500);
	pointer-events: none;
}
.hd-progress .hd-progress__bar {
	width: 100%;
	height: 100%;
	background: var(--progress-bar-color, #ffffff);
	transform-origin: 0 50%;
	transform: scaleX(0);
	will-change: transform;
}
.admin-bar .hd-progress { top: 32px; }
@media (max-width: 782px) {
	.admin-bar .hd-progress { top: 46px; }
}

@media (prefers-reduced-motion: reduce) {
	.hd-toc .hd-toc__toggle svg,
	.hd-toc .hd-toc__link,
	.hd-toc .hd-toc__toggle { transition: none; }
}