/**
 * Researchium - Journal Single Landing Page Styles
 * Scope: taxonomy-journal.php / is_tax('journal')
 * Standards: Nature, Oxford Academic, Springer Nature
 * Prefix: .rs-journal-
 */

:root {
	--rs-jrnl-brand: #0f2b4d;
	--rs-jrnl-brand-hover: #091c33;
	--rs-jrnl-ink: #0f172a;
	--rs-jrnl-ink-secondary: #334155;
	--rs-jrnl-ink-muted: #64748b;
	--rs-jrnl-bg: #ffffff;
	--rs-jrnl-surface: #f8fafc;
	--rs-jrnl-surface-alt: #f1f5f9;
	--rs-jrnl-border: #e2e8f0;
	--rs-jrnl-border-strong: #cbd5e1;
	--rs-jrnl-serif: "Georgia", "Times New Roman", Cambria, serif;
	--rs-jrnl-sans: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

/* Master Wrapper */
.rs-journal-page {
	width: 100%;
	max-width: 1320px;
	margin: 0 auto;
	padding: 24px 20px 80px 20px;
	font-family: var(--rs-jrnl-sans);
	color: var(--rs-jrnl-ink);
	line-height: 1.6;
	background-color: var(--rs-jrnl-bg);
}

/* Breadcrumbs */
.rs-journal-breadcrumbs {
	font-size: 13px;
	color: var(--rs-jrnl-ink-muted);
	margin-bottom: 24px;
	display: flex;
	align-items: center;
	flex-wrap: wrap;
	gap: 6px;
}

.rs-journal-breadcrumbs a {
	color: var(--rs-jrnl-ink-secondary);
	text-decoration: none;
	transition: color 0.15s ease;
}

.rs-journal-breadcrumbs a:hover {
	color: var(--rs-jrnl-brand);
	text-decoration: underline;
}

.rs-journal-breadcrumbs__sep {
	color: var(--rs-jrnl-border-strong);
}

.rs-journal-breadcrumbs__current {
	color: var(--rs-jrnl-brand);
	font-weight: 600;
}

/* Masthead / Hero */
.rs-journal-masthead {
	background-color: var(--rs-jrnl-surface);
	border: 1px solid var(--rs-jrnl-border);
	border-radius: 4px;
	padding: 40px 36px;
	margin-bottom: 32px;
}

.rs-journal-masthead__badge-row {
	display: flex;
	align-items: center;
	flex-wrap: wrap;
	gap: 10px;
	margin-bottom: 16px;
}

.rs-journal-masthead__category {
	font-size: 11px;
	font-weight: 700;
	letter-spacing: 0.08em;
	text-transform: uppercase;
	color: var(--rs-jrnl-brand);
	background: var(--rs-jrnl-surface-alt);
	border: 1px solid var(--rs-jrnl-border-strong);
	padding: 4px 10px;
	border-radius: 3px;
}

.rs-journal-pill {
	display: inline-flex;
	align-items: center;
	gap: 5px;
	font-size: 11.5px;
	font-weight: 600;
	letter-spacing: 0.02em;
	color: var(--rs-jrnl-ink-secondary);
	background: #ffffff;
	border: 1px solid var(--rs-jrnl-border);
	padding: 3px 9px;
	border-radius: 3px;
}

.rs-journal-pill svg {
	width: 14px;
	height: 14px;
	fill: currentColor;
}

.rs-journal-masthead__title {
	font-family: var(--rs-jrnl-serif);
	font-size: clamp(28px, 3.5vw, 40px);
	font-weight: 700;
	line-height: 1.25;
	color: var(--rs-jrnl-ink);
	margin: 0 0 16px 0;
	letter-spacing: -0.01em;
}

.rs-journal-masthead__desc {
	font-size: 17px;
	line-height: 1.7;
	color: var(--rs-jrnl-ink-secondary);
	max-width: 900px;
	margin: 0 0 24px 0;
}

.rs-journal-masthead__actions {
	display: flex;
	align-items: center;
	flex-wrap: wrap;
	gap: 14px;
	padding-top: 8px;
}

/* Button Component Standards */
.rs-journal-btn {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	gap: 8px;
	font-family: var(--rs-jrnl-sans);
	font-size: 12px;
	font-weight: 700;
	letter-spacing: 0.05em;
	text-transform: uppercase;
	text-decoration: none;
	padding: 12px 24px;
	border-radius: 3px;
	transition: all 0.15s ease;
	cursor: pointer;
}

.rs-journal-btn--primary {
	background-color: var(--rs-jrnl-brand);
	color: #ffffff !important;
	border: 1px solid var(--rs-jrnl-brand);
}

.rs-journal-btn--primary:hover {
	background-color: var(--rs-jrnl-brand-hover);
	border-color: var(--rs-jrnl-brand-hover);
	color: #ffffff !important;
}

.rs-journal-btn--secondary {
	background-color: transparent;
	color: var(--rs-jrnl-brand) !important;
	border: 1px solid var(--rs-jrnl-brand);
}

.rs-journal-btn--secondary:hover {
	background-color: var(--rs-jrnl-brand);
	color: #ffffff !important;
}

.rs-journal-btn--subtle {
	background-color: #ffffff;
	color: var(--rs-jrnl-ink-secondary) !important;
	border: 1px solid var(--rs-jrnl-border);
}

.rs-journal-btn--subtle:hover {
	background-color: var(--rs-jrnl-surface-alt);
	color: var(--rs-jrnl-brand) !important;
	border-color: var(--rs-jrnl-border-strong);
}

/* Anchor Jump Bar */
.rs-journal-nav-bar {
	display: flex;
	align-items: center;
	gap: 8px;
	border-bottom: 2px solid var(--rs-jrnl-brand);
	margin-bottom: 36px;
	overflow-x: auto;
	white-space: nowrap;
	padding-bottom: 0;
}

.rs-journal-nav-bar__link {
	padding: 10px 18px;
	font-size: 13px;
	font-weight: 600;
	letter-spacing: 0.02em;
	color: var(--rs-jrnl-ink-secondary);
	text-decoration: none;
	border-top-left-radius: 4px;
	border-top-right-radius: 4px;
	transition: all 0.15s ease;
}

.rs-journal-nav-bar__link:hover {
	background-color: var(--rs-jrnl-surface);
	color: var(--rs-jrnl-brand);
}

/* Two-Column Grid Layout */
.rs-journal-grid {
	display: grid;
	grid-template-columns: minmax(0, 1fr) 340px;
	gap: 40px;
	align-items: start;
}

/* Main Content Area */
.rs-journal-main {
	min-width: 0;
}

/* Sections */
.rs-journal-section {
	margin-bottom: 48px;
	scroll-margin-top: 80px;
}

.rs-journal-section__header {
	margin-bottom: 20px;
	padding-bottom: 12px;
	border-bottom: 1px solid var(--rs-jrnl-border);
}

.rs-journal-section__title {
	font-family: var(--rs-jrnl-serif);
	font-size: 24px;
	font-weight: 700;
	color: var(--rs-jrnl-ink);
	margin: 0;
	letter-spacing: -0.01em;
}

.rs-journal-section__lead {
	font-size: 16.5px;
	line-height: 1.75;
	color: var(--rs-jrnl-ink-secondary);
	margin: 0 0 20px 0;
}

/* Scope Areas Grid */
.rs-journal-scope-grid {
	display: grid;
	grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
	gap: 12px;
	margin-top: 18px;
}

.rs-journal-scope-tag {
	display: flex;
	align-items: center;
	gap: 10px;
	background-color: var(--rs-jrnl-surface);
	border: 1px solid var(--rs-jrnl-border);
	padding: 12px 16px;
	border-radius: 3px;
	font-size: 14.5px;
	font-weight: 600;
	color: var(--rs-jrnl-ink);
	transition: border-color 0.15s ease, background-color 0.15s ease;
}

.rs-journal-scope-tag::before {
	content: "";
	width: 6px;
	height: 6px;
	border-radius: 50%;
	background-color: var(--rs-jrnl-brand);
	flex-shrink: 0;
}

.rs-journal-scope-tag:hover {
	border-color: var(--rs-jrnl-brand);
	background-color: #ffffff;
}

/* Article Cards */
.rs-journal-articles-list {
	display: flex;
	flex-direction: column;
	gap: 20px;
}

.rs-journal-card {
	background-color: #ffffff;
	border: 1px solid var(--rs-jrnl-border);
	border-radius: 4px;
	padding: 24px 28px;
	transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.rs-journal-card:hover {
	border-color: var(--rs-jrnl-border-strong);
	box-shadow: 0 4px 12px rgba(15, 23, 42, 0.04);
}

.rs-journal-card__top {
	display: flex;
	align-items: center;
	flex-wrap: wrap;
	gap: 12px;
	margin-bottom: 10px;
}

.rs-journal-card__type {
	font-size: 11px;
	font-weight: 700;
	letter-spacing: 0.06em;
	text-transform: uppercase;
	color: var(--rs-jrnl-ink-muted);
}

.rs-journal-card__date {
	font-size: 13px;
	color: var(--rs-jrnl-ink-muted);
}

.rs-journal-card__title {
	font-family: var(--rs-jrnl-serif);
	font-size: 21px;
	line-height: 1.35;
	font-weight: 700;
	margin: 0 0 10px 0;
}

.rs-journal-card__title a {
	color: var(--rs-jrnl-ink);
	text-decoration: none;
	transition: color 0.15s ease;
}

.rs-journal-card__title a:hover {
	color: var(--rs-jrnl-brand);
	text-decoration: underline;
}

.rs-journal-card__authors {
	font-size: 14.5px;
	color: var(--rs-jrnl-ink-secondary);
	margin-bottom: 12px;
	line-height: 1.5;
}

.rs-journal-card__excerpt {
	font-size: 15px;
	line-height: 1.65;
	color: var(--rs-jrnl-ink-secondary);
	margin-bottom: 16px;
}

.rs-journal-card__meta-bar {
	display: flex;
	align-items: center;
	justify-content: space-between;
	flex-wrap: wrap;
	gap: 12px;
	padding-top: 14px;
	border-top: 1px solid var(--rs-jrnl-border);
	font-size: 13px;
}

.rs-journal-card__doi {
	color: var(--rs-jrnl-ink-muted);
}

.rs-journal-card__doi a {
	color: var(--rs-jrnl-brand);
	text-decoration: none;
	font-weight: 500;
}

.rs-journal-card__doi a:hover {
	text-decoration: underline;
}

.rs-journal-card__actions {
	display: flex;
	align-items: center;
	gap: 10px;
}

.rs-journal-card__pdf-btn {
	display: inline-flex;
	align-items: center;
	gap: 5px;
	font-size: 12px;
	font-weight: 700;
	color: var(--rs-jrnl-brand);
	text-decoration: none;
	border: 1px solid var(--rs-jrnl-border-strong);
	padding: 4px 10px;
	border-radius: 3px;
	background-color: var(--rs-jrnl-surface);
	transition: all 0.15s ease;
}

.rs-journal-card__pdf-btn:hover {
	background-color: var(--rs-jrnl-brand);
	color: #ffffff;
	border-color: var(--rs-jrnl-brand);
}

/* Empty Articles State */
.rs-journal-empty {
	background-color: var(--rs-jrnl-surface);
	border: 1px dashed var(--rs-jrnl-border-strong);
	border-radius: 4px;
	padding: 48px 32px;
	text-align: center;
}

.rs-journal-empty__title {
	font-family: var(--rs-jrnl-serif);
	font-size: 20px;
	font-weight: 700;
	color: var(--rs-jrnl-ink);
	margin: 0 0 10px 0;
}

.rs-journal-empty__text {
	font-size: 15px;
	color: var(--rs-jrnl-ink-secondary);
	max-width: 540px;
	margin: 0 auto 24px auto;
	line-height: 1.6;
}

/* Governance & Peer Review Box */
.rs-journal-governance-box {
	background-color: var(--rs-jrnl-surface);
	border: 1px solid var(--rs-jrnl-border);
	border-radius: 4px;
	padding: 28px 30px;
}

.rs-journal-governance-grid {
	display: grid;
	grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
	gap: 20px;
	margin-top: 16px;
}

.rs-journal-gov-card {
	background: #ffffff;
	border: 1px solid var(--rs-jrnl-border);
	padding: 18px 20px;
	border-radius: 3px;
}

.rs-journal-gov-card__title {
	font-size: 15px;
	font-weight: 700;
	color: var(--rs-jrnl-ink);
	margin: 0 0 6px 0;
}

.rs-journal-gov-card__desc {
	font-size: 13.5px;
	line-height: 1.6;
	color: var(--rs-jrnl-ink-secondary);
	margin: 0;
}

/* Issues Archive Grid */
.rs-journal-issues-grid {
	display: grid;
	grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
	gap: 14px;
}

.rs-journal-issue-card {
	display: block;
	background: #ffffff;
	border: 1px solid var(--rs-jrnl-border);
	border-radius: 3px;
	padding: 16px 18px;
	text-decoration: none;
	color: var(--rs-jrnl-ink);
	transition: all 0.15s ease;
}

.rs-journal-issue-card:hover {
	border-color: var(--rs-jrnl-brand);
	box-shadow: 0 2px 8px rgba(15, 23, 42, 0.05);
}

.rs-journal-issue-card__title {
	font-family: var(--rs-jrnl-serif);
	font-size: 17px;
	font-weight: 700;
	margin: 0 0 4px 0;
	color: var(--rs-jrnl-ink);
}

.rs-journal-issue-card__meta {
	font-size: 12.5px;
	color: var(--rs-jrnl-ink-muted);
}

/* FAQ Accordion */
.rs-journal-faq-group {
	display: flex;
	flex-direction: column;
	gap: 12px;
}

.rs-journal-faq-item {
	background: #ffffff;
	border: 1px solid var(--rs-jrnl-border);
	border-radius: 3px;
	overflow: hidden;
}

.rs-journal-faq-summary {
	padding: 16px 20px;
	font-size: 15.5px;
	font-weight: 600;
	color: var(--rs-jrnl-ink);
	cursor: pointer;
	list-style: none;
	display: flex;
	justify-content: space-between;
	align-items: center;
	user-select: none;
}

.rs-journal-faq-summary::-webkit-details-marker {
	display: none;
}

.rs-journal-faq-summary::after {
	content: "+";
	font-size: 18px;
	font-weight: 400;
	color: var(--rs-jrnl-ink-muted);
}

.rs-journal-faq-item[open] .rs-journal-faq-summary::after {
	content: "−";
}

.rs-journal-faq-body {
	padding: 0 20px 18px 20px;
	font-size: 14.5px;
	line-height: 1.65;
	color: var(--rs-jrnl-ink-secondary);
	border-top: 1px solid var(--rs-jrnl-surface-alt);
	padding-top: 12px;
}

/* Sidebar Widgets */
.rs-journal-sidebar {
	display: flex;
	flex-direction: column;
	gap: 24px;
}

.rs-journal-widget {
	background: #ffffff;
	border: 1px solid var(--rs-jrnl-border);
	border-radius: 4px;
	padding: 24px;
}

.rs-journal-widget__title {
	font-size: 12px;
	font-weight: 700;
	text-transform: uppercase;
	letter-spacing: 0.06em;
	color: var(--rs-jrnl-brand);
	margin: 0 0 16px 0;
	padding-bottom: 10px;
	border-bottom: 1px solid var(--rs-jrnl-border);
}

.rs-journal-facts-list {
	list-style: none;
	padding: 0;
	margin: 0;
	display: flex;
	flex-direction: column;
	gap: 12px;
}

.rs-journal-facts-item {
	display: flex;
	flex-direction: column;
	gap: 2px;
	font-size: 13.5px;
}

.rs-journal-facts-label {
	font-weight: 600;
	color: var(--rs-jrnl-ink);
}

.rs-journal-facts-val {
	color: var(--rs-jrnl-ink-secondary);
}

.rs-journal-widget-links {
	list-style: none;
	padding: 0;
	margin: 0;
	display: flex;
	flex-direction: column;
	gap: 6px;
}

.rs-journal-widget-link {
	display: block;
	color: var(--rs-jrnl-ink-secondary);
	text-decoration: none;
	font-size: 13.5px;
	font-weight: 500;
	padding: 7px 10px;
	border-radius: 3px;
	transition: all 0.15s ease;
}

.rs-journal-widget-link:hover {
	color: var(--rs-jrnl-brand);
	background-color: var(--rs-jrnl-surface);
	padding-left: 14px;
}

/* Bottom CTA Banner */
.rs-journal-cta {
	margin-top: 56px;
	background-color: var(--rs-jrnl-surface);
	border: 1px solid var(--rs-jrnl-border);
	border-radius: 4px;
	padding: 48px 36px;
	text-align: center;
}

.rs-journal-cta__title {
	font-family: var(--rs-jrnl-serif);
	font-size: clamp(24px, 3vw, 32px);
	font-weight: 700;
	color: var(--rs-jrnl-ink);
	margin: 0 0 12px 0;
}

.rs-journal-cta__desc {
	font-size: 16px;
	line-height: 1.65;
	color: var(--rs-jrnl-ink-secondary);
	max-width: 640px;
	margin: 0 auto 28px auto;
}

.rs-journal-cta__trust {
	display: flex;
	align-items: center;
	justify-content: center;
	flex-wrap: wrap;
	gap: 24px;
	margin-top: 28px;
	padding-top: 24px;
	border-top: 1px solid var(--rs-jrnl-border);
	font-size: 12px;
	font-weight: 600;
	letter-spacing: 0.04em;
	text-transform: uppercase;
	color: var(--rs-jrnl-ink-muted);
}

/* Responsive Media Queries (Centralized, strict) */
@media (max-width: 1024px) {
	.rs-journal-grid {
		grid-template-columns: 1fr;
		gap: 32px;
	}

	.rs-journal-masthead {
		padding: 30px 24px;
	}

	.rs-journal-sidebar {
		order: 2;
	}
}

@media (max-width: 768px) {
	.rs-journal-page {
		padding: 16px 14px 60px 14px;
	}

	.rs-journal-masthead__actions {
		flex-direction: column;
		align-items: stretch;
	}

	.rs-journal-btn {
		width: 100%;
	}

	.rs-journal-nav-bar {
		margin-bottom: 24px;
	}

	.rs-journal-card {
		padding: 18px 20px;
	}

	.rs-journal-cta {
		padding: 36px 20px;
	}
}