/**
 * Single post article layout.
 *
 * @package CoreEssentials
 */

.single-post {
	--article-primary: #0066cc;
	--article-primary-dark: #0052a3;
	--article-text-dark: #1a2332;
	--article-text-light: #374151;
	--article-text-muted: #6b7280;
	--article-bg-light: #f9fafb;
	--article-bg-lighter: #f3f4f6;
	--article-border: #e5e7eb;
	--article-code-bg: #1a2332;
	--article-code-text: #e5e7eb;
	--article-color-tip: #10b981;
	--article-color-tip-bg: #f0fdf4;
	--article-color-warning: #f59e0b;
	--article-color-warning-bg: #fffbeb;
	--article-color-info: #3b82f6;
	--article-color-info-bg: #eff6ff;
	--article-color-critical: #ef4444;
	--article-color-critical-bg: #fef2f2;
}

.single-post strong {
	font-weight: 700;
}

.single-post #site-wrap {
	max-width: 100vw;
	margin-top: 0;
}

.single-post .site-main {
	max-width: none;
}

.single-post .article-wrapper {
	background-color: transparent;
}

.single-post .article-header {
	margin-left: calc(var(--site-padding) * -1);
	margin-right: calc(var(--site-padding) * -1);
	padding: 3rem var(--site-padding);
	margin-bottom: 3rem;
	border-bottom: 1px solid var(--article-border);
	position: relative;
	overflow: hidden;
	display: block;
	background-image: var(--article-hero-image, none);
	background-size: cover;
	background-position: center;
	background-attachment: fixed;
}

.single-post .article-header::before {
	content: '';
	position: absolute;
	inset: 0;
	opacity: 0.85;
	z-index: 0;
	background: linear-gradient(135deg, var(--content-bg) 0%, var(--site-bg) 100%);
}

.single-post .article-header-content {
	position: relative;
	z-index: 1;
	max-width: 1200px;
	margin: 0 auto;
}

.single-post .article-title {
	font-size: clamp(2rem, 5vw, 3rem);
	font-weight: 400;
	line-height: 1.1;
	color: var(--dark-blue);
	margin: 0 0 0.75rem;
}

.single-post .article-tagline {
	font-size: 1rem;
	line-height: 1.4;
	font-weight: 600;
	color: #4a7fa5;
	margin: 0 0 1.25rem;
	letter-spacing: 0.02em;
}

.single-post .article-meta {
	display: flex;
	gap: 1.5rem;
	font-size: 14px;
	color: var(--article-text-muted);
	margin-top: 1.5rem;
	flex-wrap: wrap;
}

.single-post .article-meta-item {
	display: flex;
	align-items: center;
	gap: 0.5rem;
}

.single-post .article-meta-item strong {
	color: var(--article-text-dark);
	font-weight: 600;
}

.single-post .article-main {
	display: flex;
	flex-direction: row;
	align-items: flex-start;
	justify-content: space-between;
	gap: 3rem;
	position: relative;
	max-width: 1200px;
	margin: 0 auto;
	padding: 0;
	padding-right: 0;
}

.single-post .article-content {
	flex: 1 1 700px;
	max-width: 700px;
	min-width: 0;
	margin: 0;
	padding: 0 0 2rem;
	font-size: 18px;
	line-height: 1.85;
	font-weight: 400;
	color: var(--dark-blue);
	counter-reset: section-counter;
}

.single-post .article-content h1 {
	font-weight: 400;
	line-height: 1.1;
}

.single-post .article-content :is(h2, h3, h4, h5, h6) {
	font-weight: 700;
}

.single-post .article-content p,
.single-post .article-content li {
	line-height: 1.45;
	font-weight: 400;
}

.single-post .article-content p {
	margin-bottom: 1.3em;
}

.single-post .article-content h2,
.single-post .article-content h3,
.single-post .article-content h4 {
	margin-top: 2.2em;
	margin-bottom: 0.5em;
	line-height: 1.3;
	scroll-margin-top: 100px;
}

.single-post .article-content h2 + p,
.single-post .article-content h3 + p,
.single-post .article-content h4 + p {
	margin-top: 0;
}

.single-post .article-content ul,
.single-post .article-content ol {
	line-height: 1.85;
	font-weight: 400;
}

/* Step counters on H2s — opt in via Heading → Styles → "Step numbers". */
.single-post .article-content h2.is-style-step-numbers {
	counter-increment: section-counter;
}

.single-post .article-content h2.is-style-step-numbers::before {
	content: counter(section-counter, decimal-leading-zero);
	display: block;
	font-size: 1.35rem;
	font-weight: 700;
	letter-spacing: 0.2em;
	text-transform: uppercase;
	color: var(--yellow-orange);
	margin-bottom: 0.2em;
}

/* Heading anchor links (injected by site.js) */
.single-post .article-content h2 .heading-anchor,
.single-post .article-content h3 .heading-anchor,
.single-post .article-content h4 .heading-anchor {
	opacity: 0;
	margin-left: 0.4em;
	font-size: 0.65em;
	text-decoration: none;
	color: var(--dark-gray);
	font-weight: 400;
	letter-spacing: 0;
	transition: opacity 0.15s ease, color 0.15s ease;
	vertical-align: middle;
	user-select: none;
}

.single-post .article-content h2:hover .heading-anchor,
.single-post .article-content h3:hover .heading-anchor,
.single-post .article-content h4:hover .heading-anchor,
.single-post .article-content .heading-anchor:focus {
	opacity: 1;
}

.single-post .article-content .heading-anchor:hover {
	color: var(--yellow-orange);
}

.single-post .article-content code {
	font-family: 'Fira Code', 'Monaco', monospace;
	font-size: 14px;
	background-color: var(--article-bg-light);
	padding: 0.125rem 0.375rem;
	border-radius: 0.25rem;
	color: var(--article-text-dark);
}

.single-post .article-content a {
	color: var(--dark-blue);
	text-decoration: underline;
	text-underline-offset: 0.15em;
	transition: color 0.2s ease;
}

.single-post .article-content a:hover {
	color: var(--yellow-orange);
}

.single-post .article-content ul,
.single-post .article-content ol {
	margin: 1rem 0;
	padding-left: 2rem;
}

.single-post .article-content li {
	margin-bottom: 0.5rem;
}

.single-post .article-content img {
	max-width: 100%;
	height: auto;
	margin: 1.5rem 0;
	border-radius: 0.5rem;
}

.single-post .article-footer {
	max-width: 1200px;
	margin: 0 auto;
	border-top: 1px solid var(--article-border);
	padding: 2rem var(--site-padding) 3rem;
}

.single-post .article-author {
	display: flex;
	gap: 1rem;
	align-items: center;
	max-width: 700px;
}

.single-post .article-author-avatar {
	width: 60px;
	height: 60px;
	border-radius: 50%;
	object-fit: cover;
}

.single-post .article-author-info h4 {
	margin: 0 0 0.25rem;
	color: var(--article-text-dark);
}

.single-post .article-author-info p {
	margin: 0;
	font-size: 14px;
	color: var(--article-text-muted);
}

/* Code blocks */
.single-post .code-block {
	background-color: var(--article-code-bg);
	color: var(--article-code-text);
	padding: 1.5rem;
	padding-top: 3rem;
	border-radius: var(--border-radius);
	overflow-x: auto;
	margin: 1.5rem 0;
	position: relative;
	font-family: 'Fira Code', 'Monaco', monospace;
	font-size: 14px;
	line-height: 1.5;
	white-space: pre-wrap;
	word-break: break-word;
}

.single-post .code-block code {
	display: block;
	background: none;
	padding: 0;
	margin: 0;
	color: inherit;
	font-family: inherit;
	font-size: inherit;
	white-space: inherit;
}

.single-post .code-copy-btn {
	position: absolute;
	top: 0.75rem;
	right: 0.75rem;
	background-color: rgba(255, 255, 255, 0.1);
	color: var(--article-code-text);
	border: 1px solid rgba(255, 255, 255, 0.2);
	padding: 0.5rem 1rem;
	border-radius: 0.25rem;
	font-size: 12px;
	cursor: pointer;
	transition: all 150ms ease-out;
	font-family: inherit;
	font-weight: 600;
}

.single-post .code-copy-btn:hover {
	background-color: rgba(255, 255, 255, 0.15);
	border-color: rgba(255, 255, 255, 0.3);
}

/* Table of contents — right column on desktop, hidden on mobile */
.single-post .toc {
	position: sticky;
	top: 6rem;
	flex: 0 0 220px;
	width: 220px;
	max-height: calc(100vh - 8rem);
	overflow-y: auto;
	font-size: 14px;
	line-height: 1.6;
	background-color: var(--content-bg);
	padding: 1rem;
	border-radius: var(--border-radius);
	border: 1px solid var(--border);
	box-shadow: none;
}

.single-post .toc-title {
	font-weight: 600;
	color: var(--article-text-dark);
	margin: 0 0 1rem;
	font-size: 14px;
}

.single-post .toc-h2 {
	font-weight: bold;
}
.single-post .toc-link {
	display: block;
	color: var(--article-text-muted);
	text-decoration: none;
	padding: 0.5rem 0;
	border-left: 2px solid transparent;
	padding-left: 0.75rem;
	transition: all 150ms ease-out;
}

.single-post .toc-h3 {
	padding-left: 1.5rem;
}

.single-post .toc-link:hover,
.single-post .toc-link.active {
	color: var(--yellow-orange);
	border-left-color: var(--yellow-orange);
}

/* Group callout block styles */
.single-post .article-content .wp-block-group.is-style-callout-tip,
.single-post .article-content .wp-block-group.is-style-callout-warning,
.single-post .article-content .wp-block-group.is-style-callout-takeaway {
	border-radius: 48px var(--border-radius) var(--border-radius) var(--border-radius);
	padding: var(--site-padding-m);
	margin-top: var(--gap);
	margin-bottom: var(--gap);
	margin-left: -50px !important;
	margin-right: -50px !important;
	padding-left: 47px;
	padding-right: 50px;
}

.single-post .article-content .wp-block-group.is-style-callout-tip *:first-child,
.single-post .article-content .wp-block-group.is-style-callout-warning *:first-child,
.single-post .article-content .wp-block-group.is-style-callout-takeaway *:first-child {
	margin-top: 60px;
}

.single-post .article-content .wp-block-group.is-style-callout-tip,
.single-post .article-content .wp-block-group.is-style-callout-warning,
.single-post .article-content .wp-block-group.is-style-callout-takeaway {
	p:last-child { margin-bottom: 0; }
}

.single-post .article-content .wp-block-group.is-style-callout-tip:before,
.single-post .article-content .wp-block-group.is-style-callout-warning:before,
.single-post .article-content .wp-block-group.is-style-callout-takeaway:before {
	content: '';
	position: absolute;
	top: var(--site-padding-s);
	left: var(--site-padding-s);
	width: 3.25em;
	height: 3.25em;
}

@media (max-width: 991px) {
	.single-post .article-content .wp-block-group.is-style-callout-tip:before,
	.single-post .article-content .wp-block-group.is-style-callout-warning:before,
	.single-post .article-content .wp-block-group.is-style-callout-takeaway:before {
		left: 26px;
	}
}

.single-post .article-content .wp-block-group.is-style-callout-tip {
	position: relative;
	background: #e8f0f5;
	border-left: 3px solid #4a7fa5;
	padding-top: calc(var(--site-padding-m) + 0.25em);
}

.single-post .article-content .wp-block-group.is-style-callout-tip::before {
	background-color: #4a7fa5;
	mask: url('../assets/icons/icon-tip.svg') no-repeat center / contain;
	-webkit-mask: url('../assets/icons/icon-tip.svg') no-repeat center / contain;
	pointer-events: none;
}

.single-post .article-content .wp-block-group.is-style-callout-warning {
	position: relative;
	background: #ffe6e6;
	border-left: 3px solid #f60000;
	padding-top: calc(var(--site-padding-m) + 0.25em);
}

.single-post .article-content .wp-block-group.is-style-callout-warning h2.is-style-step-numbers::before {
	color: #f60000;
}
.single-post .article-content .wp-block-group.is-style-callout-warning::before {
	mask: url('../assets/icons/icon-warning.svg') no-repeat center / contain;
	-webkit-mask: url('../assets/icons/icon-warning.svg') no-repeat center / contain;
	pointer-events: none;
	background-color: #f60000;
}

.single-post .article-content .wp-block-group.is-style-callout-takeaway {
	position: relative;
	background: var(--dark-blue);
	color: var(--content-bg);
	padding-top: calc(var(--site-padding-m) + 0.25em);
	border-left: 3px solid var(--yellow-orange);
}

.single-post .article-content .wp-block-group.is-style-callout-takeaway::before {
	background-color: var(--yellow-orange);
	mask: url('../assets/icons/icon-check.svg') no-repeat center / contain;
	-webkit-mask: url('../assets/icons/icon-check.svg') no-repeat center / contain;
	pointer-events: none;
}

.single-post .article-content .wp-block-group.is-style-callout-takeaway * {
	color: var(--content-bg);
}

.single-post .article-content .wp-block-group.is-style-callout-takeaway a {
	color: var(--yellow-orange);
}

.single-post .code-block {
	margin-left: -50px !important;
	margin-right: -50px !important;
	padding-left: 50px !important;
	padding-right: 50px !important;
}

@media (max-width: 991px) {
	.single-post .toc {
		display: none !important;
	}

	.single-post .article-main {
		padding: 0;
	}

	.single-post .article-content {
		flex: 1 1 100%;
		max-width: none;
	}
}

@media (max-width: 768px) {
	.single-post .article-meta {
		flex-direction: column;
		gap: 0.5rem;
	}

	.single-post .article-content {
		padding: 1rem 0;
	}

	.single-post .article-footer {
		padding-left: 1rem;
		padding-right: 1rem;
	}
}