/**
 * Article layout shared by Guides, Comparisons and Reviews: hero, byline,
 * two-column content + sticky TOC, prose typography, author box, share
 * buttons, reading progress bar. Comparison-specific bits (table, pros/cons)
 * live in compare.css, loaded alongside this file.
 */

/* Reading progress bar */
.reading-progress {
	position: fixed;
	top: 0;
	left: 0;
	width: 100%;
	height: 3px;
	background: transparent;
	z-index: var(--z-header);
	pointer-events: none;
}

.reading-progress__bar {
	height: 100%;
	width: 0;
	background: var(--color-secondary);
	transition: width 100ms linear;
}

/* Hero */
.article-hero {
	padding-block: var(--space-5) var(--space-6);
	border-bottom: 1px solid var(--color-border);
}

.article-hero__title {
	font-size: 1.75rem;
	line-height: 1.25;
}

.article-hero__summary {
	font-size: 1.1rem;
	color: #4B5563;
	margin-bottom: var(--space-4);
}

.article-byline {
	display: flex;
	flex-wrap: wrap;
	align-items: center;
	gap: var(--space-4);
	font-size: 0.85rem;
	color: #6B7280;
}

.article-byline__author {
	display: flex;
	align-items: center;
	gap: var(--space-2);
	font-weight: 600;
	color: var(--color-text);
}

.article-byline__avatar {
	width: 28px;
	height: 28px;
	border-radius: 50%;
	flex-shrink: 0;
}

.article-byline__item {
	display: inline-flex;
	align-items: center;
	gap: var(--space-1);
}

.article-byline__item .kabomal-icon {
	width: 15px;
	height: 15px;
}

@media (min-width: 768px) {
	.article-hero__title { font-size: 2.25rem; }
}

/* Two-column layout: content + sticky TOC */
.article-layout {
	display: grid;
	grid-template-columns: 1fr;
	gap: var(--space-7);
	padding-block: var(--space-6);
	align-items: start;
}

@media (min-width: 1024px) {
	.article-layout {
		grid-template-columns: minmax(0, 1fr) 280px;
	}
}

.article-toc {
	display: none;
}

@media (min-width: 1024px) {
	.article-toc {
		display: block;
		position: sticky;
		top: calc(var(--space-6) + 70px);
		background: var(--color-bg-light);
		border-radius: var(--radius);
		padding: var(--space-4) var(--space-5);
	}
}

.article-toc__title {
	font-size: 0.85rem;
	text-transform: uppercase;
	letter-spacing: 0.04em;
	color: #6B7280;
	margin-bottom: var(--space-3);
}

.article-toc__list {
	display: flex;
	flex-direction: column;
	gap: var(--space-2);
}

.article-toc__link {
	font-size: 0.9rem;
	color: #4B5563;
	border-left: 2px solid var(--color-border);
	padding-left: var(--space-3);
	transition: color var(--motion) var(--ease), border-color var(--motion) var(--ease);
}

.article-toc__link--h3 {
	padding-left: var(--space-5);
}

.article-toc__link:hover,
.article-toc__link.is-active {
	color: var(--color-secondary);
	border-color: var(--color-secondary);
}

/* Inline mobile TOC (a plain <details> above the content) */
.article-toc-inline {
	display: block;
	background: var(--color-bg-light);
	border-radius: var(--radius-sm);
	padding: var(--space-3) var(--space-4);
	margin-bottom: var(--space-5);
}

@media (min-width: 1024px) {
	.article-toc-inline { display: none; }
}

.article-toc-inline summary {
	font-weight: 700;
	cursor: pointer;
}

.article-toc-inline ul {
	margin-top: var(--space-3);
	display: flex;
	flex-direction: column;
	gap: var(--space-2);
}

/* Prose content */
.article-content {
	font-size: 1.05rem;
	max-width: 74ch;
}

.article-content h2 {
	font-size: 1.375rem;
	margin-top: var(--space-7);
	scroll-margin-top: 90px;
}

.article-content h3 {
	font-size: 1.125rem;
	margin-top: var(--space-6);
	scroll-margin-top: 90px;
}

.article-content ul,
.article-content ol {
	margin: 0 0 var(--space-4);
	padding-left: 1.4em;
}

.article-content ul { list-style: disc; }
.article-content ol { list-style: decimal; }

.article-content li {
	margin-bottom: var(--space-2);
}

.article-content a {
	color: var(--color-secondary);
	text-decoration: underline;
}

.article-content blockquote {
	margin: var(--space-5) 0;
	padding: var(--space-4) var(--space-5);
	border-left: 4px solid var(--color-secondary);
	background: var(--color-bg-light);
	border-radius: var(--radius-sm);
	font-style: italic;
}

.article-content img {
	border-radius: var(--radius);
	margin-block: var(--space-4);
}

.article-content table {
	width: 100%;
	border-collapse: collapse;
	margin-block: var(--space-5);
	font-size: 0.95rem;
}

.article-content th,
.article-content td {
	border: 1px solid var(--color-border);
	padding: var(--space-3);
	text-align: left;
}

.article-content th {
	background: var(--color-bg-light);
}

/* Author box */
.author-box {
	display: flex;
	align-items: center;
	gap: var(--space-4);
	background: var(--color-bg-light);
	border-radius: var(--radius);
	padding: var(--space-5);
	margin-block: var(--space-6);
}

.author-box__avatar {
	width: 56px;
	height: 56px;
	border-radius: 50%;
	flex-shrink: 0;
}

.author-box__name {
	font-weight: 700;
	margin-bottom: 2px;
}

.author-box__bio {
	font-size: 0.9rem;
	color: #6B7280;
	margin: 0;
}

/* Share buttons */
.article-share {
	display: flex;
	flex-wrap: wrap;
	align-items: center;
	gap: var(--space-2);
	margin-block: var(--space-5);
}

.article-share__label {
	font-size: 0.85rem;
	font-weight: 700;
	color: #6B7280;
	margin-right: var(--space-1);
}

.article-share__btn {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	width: 38px;
	height: 38px;
	border-radius: 50%;
	background: var(--color-bg-light);
	color: var(--color-text);
	transition: background-color var(--motion) var(--ease), color var(--motion) var(--ease);
}

.article-share__btn:hover {
	background: var(--color-secondary);
	color: var(--color-white);
}

.article-share__btn .kabomal-icon {
	width: 17px;
	height: 17px;
}

/* Related content grid */
.related-content {
	padding-block: var(--space-6);
	border-top: 1px solid var(--color-border);
}

.related-content__title {
	font-size: 1.25rem;
	margin-bottom: var(--space-4);
}

.related-content__grid {
	display: grid;
	grid-template-columns: 1fr;
	gap: var(--space-4);
}

@media (min-width: 640px) {
	.related-content__grid { grid-template-columns: repeat(3, 1fr); }
}

.related-content + .related-content {
	margin-top: var(--space-5);
}