/**
 * Template: Modern
 *
 * Reading progress bar, sticky ToC sidebar, floating share bar.
 * Collapses to single column when no ToC headings found.
 *
 * @package wbcom-essential
 * @since 4.3.0
 */

/* Progress bar */
.wbcom-sp__progress {
	position: fixed;
	top: 0;
	left: 0;
	width: 100%;
	height: 3px;
	z-index: 9999;
	background: transparent;
}

.wbcom-sp__progress-bar {
	height: 100%;
	width: 0;
	background: var(--sp-primary);
	transition: width 0.1s linear;
}

/* WP Admin bar offset */
.admin-bar .wbcom-sp__progress {
	top: 32px;
}

@media (max-width: 782px) {
	.admin-bar .wbcom-sp__progress {
		top: 46px;
	}
}

/* Hero */
.wbcom-sp--modern .wbcom-sp__hero {
	position: relative;
	min-height: 60vh;
	background-size: cover;
	background-position: center;
	display: flex;
	align-items: flex-end;
}

.wbcom-sp--modern .wbcom-sp__hero-overlay {
	position: absolute;
	inset: 0;
	background: linear-gradient(to top, rgba(0, 0, 0, 0.8) 0%, rgba(0, 0, 0, 0.2) 50%, transparent 100%);
	display: flex;
	align-items: flex-end;
}

.wbcom-sp--modern .wbcom-sp__hero-content {
	max-width: 900px;
	padding: 48px 24px;
	margin: 0 auto;
	width: 100%;
}

.wbcom-sp--modern .wbcom-sp__hero .wbcom-sp__title {
	color: var(--sp-white);
	font-size: clamp(2rem, 5vw, 2.75rem);
	text-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
}

.wbcom-sp--modern .wbcom-sp__hero .wbcom-sp__meta {
	color: rgba(255, 255, 255, 0.85);
}

.wbcom-sp--modern .wbcom-sp__hero .wbcom-sp__meta a {
	color: rgba(255, 255, 255, 0.85);
}

.wbcom-sp--modern .wbcom-sp__hero .wbcom-sp__meta a:hover {
	color: var(--sp-white);
}

/* Category badges */
.wbcom-sp--modern .wbcom-sp__hero-cats {
	margin-bottom: 12px;
}

.wbcom-sp--modern .wbcom-sp__hero-cats a {
	display: inline-block;
	padding: 4px 12px;
	background: var(--sp-primary);
	color: var(--sp-white);
	font-size: 0.75rem;
	font-weight: 600;
	text-transform: uppercase;
	letter-spacing: 0.05em;
	border-radius: 3px;
	text-decoration: none;
	margin-right: 6px;
}

/* No-hero fallback */
.wbcom-sp--modern .wbcom-sp__header--no-hero {
	padding: 48px 0 24px;
	border-bottom: 1px solid var(--sp-border);
}

/* Grid: ToC sidebar + content */
.wbcom-sp--modern .wbcom-sp__grid {
	display: grid;
	grid-template-columns: 260px 1fr;
	gap: 40px;
	align-items: start;
	padding: 48px 0;
}

/* No ToC — single column, narrower content */
.wbcom-sp--modern.wbcom-sp--no-toc .wbcom-sp__grid {
	grid-template-columns: 1fr;
	max-width: 800px;
	margin: 0 auto;
}

/* Sticky ToC sidebar */
.wbcom-sp--modern .wbcom-sp__toc-sidebar {
	position: sticky;
	top: 80px;
}

.admin-bar .wbcom-sp--modern .wbcom-sp__toc-sidebar {
	top: 112px;
}

/* ToC styles */
.wbcom-sp-toc {
	padding: 20px;
	background: var(--sp-bg-alt);
	border-radius: 8px;
	border-left: 3px solid var(--sp-primary);
}

.wbcom-sp-toc__title {
	font-size: 0.8125rem;
	font-weight: 700;
	text-transform: uppercase;
	letter-spacing: 0.05em;
	color: var(--sp-text-muted);
	margin: 0 0 12px;
}

.wbcom-sp-toc__list {
	list-style: none;
	margin: 0;
	padding: 0;
}

.wbcom-sp-toc__item {
	margin-bottom: 6px;
}

.wbcom-sp-toc__item--h3 {
	padding-left: 16px;
}

.wbcom-sp-toc__link {
	display: block;
	font-size: 0.8125rem;
	line-height: 1.5;
	color: var(--sp-text-muted);
	text-decoration: none;
	padding: 2px 0;
	transition: color 0.2s;
}

.wbcom-sp-toc__link:hover {
	color: var(--sp-primary);
}

/* Floating share bar */
.wbcom-sp__share-float {
	position: fixed;
	left: calc(50% - 620px);
	top: 50%;
	transform: translateY(-50%);
	z-index: 100;
}

.wbcom-sp__share-float .wbcom-sp-share {
	flex-direction: column;
}

/* Only show floating share on wide screens */
@media (max-width: 1400px) {
	.wbcom-sp__share-float {
		display: none;
	}
}

/* Responsive */
@media (max-width: 900px) {
	.wbcom-sp--modern .wbcom-sp__grid {
		grid-template-columns: 1fr;
	}

	.wbcom-sp--modern .wbcom-sp__toc-sidebar {
		position: static;
		order: -1;
	}

	.wbcom-sp--modern .wbcom-sp__hero {
		min-height: 40vh;
	}

	.wbcom-sp--modern .wbcom-sp__hero-content {
		padding: 32px 16px;
	}
}