/**
 * ============================================================================
 * NUCLEUS JOURNAL - MODERN ACADEMIC STYLESHEET
 * Optimized for OJS 3.3.0.13 | Manuscript & Default Theme
 * Designed for Universitas Darul 'Ulum (UNDAR) Jombang
 * ============================================================================
 */

/* 1. Fonts & Icons Import (with CDN CORS support) */
@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@400;500;600;700;800&family=Inter:wght@400;500;600;700&display=swap');
@import url('https://cdnjs.cloudflare.com/ajax/libs/font-awesome/4.7.0/css/font-awesome.min.css');

/* 2. Theme CSS Variables */
:root {
	--nj-primary: #1e6292;
	--nj-primary-dark: #13466a;
	--nj-primary-light: #f0f7fb;
	--nj-accent: #0284c7;
	--nj-text: #0f172a;
	--nj-text-secondary: #475569;
	--nj-text-muted: #64748b;
	--nj-border: #e2e8f0;
	--nj-border-light: #f1f5f9;
	--nj-card-bg: #ffffff;
	--nj-card-shadow: 0 4px 18px rgba(15, 23, 42, 0.04);
	--nj-card-hover: 0 10px 28px rgba(30, 98, 146, 0.12);
	--nj-radius: 12px;
	--nj-radius-sm: 8px;
	--nj-font-main: 'Plus Jakarta Sans', 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

/* 3. Global Base & Typography */
body {
	font-family: var(--nj-font-main) !important;
	background-color: #f8fafc !important;
	color: var(--nj-text) !important;
	line-height: 1.65 !important;
	-webkit-font-smoothing: antialiased;
}

a {
	color: var(--nj-primary);
	text-decoration: none;
	transition: color 0.2s ease, transform 0.2s ease;
}

a:hover {
	color: var(--nj-primary-dark);
}

.pkp_structure_page {
	max-width: 1240px !important;
	margin: 0 auto 30px auto !important;
	padding: 0 15px !important;
}

/* 4. Modern Header & Navigation Bar */
#headerNavigationContainer {
	border-bottom: 1px solid var(--nj-border) !important;
	box-shadow: 0 4px 16px rgba(0, 0, 0, 0.08) !important;
	max-height: none !important;
	margin-bottom: 25px !important;
	position: relative;
}

.pkp_head_wrapper {
	position: relative;
}

.pkp_site_name_wrapper {
	padding: 20px 15px !important;
	text-align: center;
	position: relative;
	display: flex;
	justify-content: center;
	align-items: center;
}

.pkp_site_name {
	width: 100%;
	max-width: 1200px;
	margin: 0 auto;
}

.pkp_site_name > a.is_img {
	display: inline-block;
	width: 100%;
	max-width: 1200px;
}

/* Banner / Logo Header dibuat besar, jernih, dan elegan */
.pkp_site_name .is_img img {
	width: 100% !important;
	max-width: 1140px !important;
	max-height: 230px !important;
	height: auto !important;
	object-fit: contain;
	display: block;
	margin: 0 auto;
	border-radius: 8px;
	box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
}

.pkp_navigation_primary_row {
	border-top: 1px solid rgba(255, 255, 255, 0.15);
	background: #ffffff;
	box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
}

.pkp_navigation_primary > li > a {
	font-family: var(--nj-font-main);
	font-weight: 600;
	font-size: 0.88rem;
	color: var(--nj-text-secondary) !important;
	padding: 12px 18px !important;
	border-radius: var(--nj-radius-sm);
	transition: all 0.2s ease;
}

.pkp_navigation_primary > li > a:hover,
.pkp_navigation_primary > li.active > a {
	color: var(--nj-primary) !important;
	background: var(--nj-primary-light);
}

/* Tombol Register & Login dibuat sangat jelas, kontras tinggi & modern */
.pkp_navigation_user_wrapper {
	position: absolute;
	top: 14px;
	right: 25px;
	z-index: 99;
	padding: 0 !important;
}

.pkp_navigation_user {
	display: flex !important;
	align-items: center !important;
	gap: 10px !important;
	margin: 0 !important;
	padding: 0 !important;
	list-style: none !important;
}

.pkp_navigation_user > li {
	display: inline-block !important;
}

.pkp_navigation_user > li > a {
	font-family: var(--nj-font-main) !important;
	font-weight: 700 !important;
	font-size: 0.84rem !important;
	color: #ffffff !important;
	background: rgba(15, 23, 42, 0.55) !important;
	border: 1.5px solid rgba(255, 255, 255, 0.75) !important;
	padding: 7px 18px !important;
	border-radius: 25px !important;
	display: inline-flex !important;
	align-items: center !important;
	gap: 6px !important;
	backdrop-filter: blur(6px);
	box-shadow: 0 2px 10px rgba(0, 0, 0, 0.25) !important;
	transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1) !important;
	text-decoration: none !important;
	letter-spacing: 0.3px;
}

.pkp_navigation_user > li > a:hover {
	background: #ffffff !important;
	color: #0f172a !important;
	border-color: #ffffff !important;
	box-shadow: 0 6px 18px rgba(0, 0, 0, 0.35) !important;
	transform: translateY(-2px) !important;
}

.pkp_navigation_user > li:first-child > a::before {
	content: "\f234"; /* fa-user-plus */
	font-family: "FontAwesome";
	font-size: 0.9rem;
	color: #38bdf8;
}

.pkp_navigation_user > li:last-child > a::before {
	content: "\f090"; /* fa-sign-in */
	font-family: "FontAwesome";
	font-size: 0.9rem;
	color: #4ade80;
}

.pkp_navigation_user > li > a:hover::before {
	color: #0f172a !important;
}

/* 5. Issue TOC & Section Header */
.current_issue_header {
	background: #ffffff;
	border: 1px solid var(--nj-border);
	border-radius: var(--nj-radius);
	padding: 24px;
	margin-bottom: 25px;
	box-shadow: var(--nj-card-shadow);
}

.current_issue_header .current_issue_title {
	font-size: 1.35rem;
	font-weight: 800;
	color: var(--nj-text);
	margin-bottom: 6px;
}

.current_issue_header .current_issue_date {
	font-size: 0.85rem;
	color: var(--nj-text-muted);
}

.obj_issue_toc .sections > li > h2,
.obj_issue_toc .sections > li > h3 {
	font-family: var(--nj-font-main);
	font-size: 1.15rem;
	font-weight: 800;
	color: var(--nj-primary-dark);
	text-transform: uppercase;
	letter-spacing: 0.5px;
	padding-bottom: 8px;
	margin-top: 30px;
	margin-bottom: 20px;
	border-bottom: 2px solid var(--nj-primary);
	display: inline-block;
}

/* 6. MODERN ARTICLE CARD (.obj_article_summary) */
.obj_article_summary {
	display: flex;
	flex-direction: column;
	background: var(--nj-card-bg);
	border: 1px solid var(--nj-border);
	border-left: 4px solid var(--nj-primary);
	border-radius: var(--nj-radius);
	padding: 22px 26px;
	margin-bottom: 22px;
	box-shadow: var(--nj-card-shadow);
	transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
	position: relative;
}

.obj_article_summary:hover {
	transform: translateY(-3px);
	box-shadow: var(--nj-card-hover);
	border-color: #cbd5e1;
	border-left-color: var(--nj-primary-dark);
}

/* Article Title */
.obj_article_summary .title {
	order: 1;
	margin: 0 0 10px 0;
	font-size: 1.15rem;
	font-weight: 700;
	line-height: 1.45;
}

.obj_article_summary .title a {
	color: var(--nj-text);
	text-decoration: none;
	transition: color 0.2s ease;
}

.obj_article_summary .title a:hover {
	color: var(--nj-primary);
}

/* DOI Pill Badge */
.obj_article_summary .doiInSummary {
	order: 2;
	display: inline-flex;
	align-items: center;
	background: #f1f5f9;
	border: 1px solid var(--nj-border);
	border-radius: 20px;
	padding: 3px 12px;
	font-size: 0.78rem;
	margin-bottom: 10px;
	gap: 6px;
	color: var(--nj-text-muted);
	width: fit-content;
}

.obj_article_summary .doiInSummary::before {
	content: "\f0c1";
	font-family: "FontAwesome";
	color: var(--nj-primary);
	font-size: 0.8rem;
}

.obj_article_summary .doiInSummary strong {
	display: none;
}

.obj_article_summary .doiInSummary a {
	color: var(--nj-primary);
	text-decoration: none;
	font-weight: 600;
}

.obj_article_summary .doiInSummary a:hover {
	text-decoration: underline;
}

/* Authors Row */
.obj_article_summary .meta {
	order: 3;
	margin-bottom: 6px;
}

.obj_article_summary .meta .authors {
	font-size: 0.88rem;
	color: #334155;
	font-weight: 600;
	margin-bottom: 6px;
	display: flex;
	align-items: center;
	flex-wrap: wrap;
}

.obj_article_summary .meta .authors::before {
	content: "\f007";
	font-family: "FontAwesome";
	color: var(--nj-primary);
	font-size: 0.82rem;
	margin-right: 7px;
}

/* 7. STATS BADGES (Abstract Views & PDF Downloads) */
.article-stats-badges {
	order: 4;
	display: inline-flex;
	align-items: center;
	flex-wrap: wrap;
	gap: 8px;
	margin: 4px 0 14px 0;
}

.stat-badge {
	display: inline-flex;
	align-items: center;
	gap: 6px;
	background: #ffffff;
	border: 1px solid var(--nj-border);
	border-radius: 20px;
	padding: 3px 11px;
	font-size: 0.75rem;
	font-weight: 600;
	color: #475569;
	box-shadow: 0 1px 3px rgba(0,0,0,0.02);
	transition: all 0.2s ease;
}

.stat-badge:hover {
	border-color: #cbd5e1;
	transform: translateY(-1px);
}

.stat-badge.views i {
	color: var(--nj-primary);
	font-size: 0.82rem;
}

.stat-badge.downloads i {
	color: #10b981;
	font-size: 0.82rem;
}

.stat-badge strong {
	color: var(--nj-text);
	font-weight: 700;
}

/* 8. Article Footer (Pages & Galleys / Full Paper) */
.obj_article_summary .meta .pages {
	display: inline-flex;
	align-items: center;
	gap: 5px;
	font-size: 0.78rem;
	color: var(--nj-text-muted);
	font-weight: 600;
	background: #f8fafc;
	border: 1px solid var(--nj-border);
	padding: 3px 10px;
	border-radius: 6px;
	margin-top: 4px;
}

.obj_article_summary .meta .pages::before {
	content: "\f02d";
	font-family: "FontAwesome";
	color: #94a3b8;
}

.obj_article_summary .galleys_links {
	order: 5;
	list-style: none;
	padding: 14px 0 0 0;
	margin: 10px 0 0 0;
	border-top: 1px solid var(--nj-border-light);
	display: flex;
	align-items: center;
	justify-content: flex-end;
	gap: 10px;
}

.obj_article_summary .galleys_links li {
	display: inline-block;
	margin: 0;
	padding: 0;
}

.obj_article_summary .obj_galley_link {
	display: inline-flex;
	align-items: center;
	gap: 6px;
	background: linear-gradient(135deg, var(--nj-primary) 0%, var(--nj-primary-dark) 100%);
	color: #ffffff !important;
	font-weight: 600;
	font-size: 0.82rem;
	padding: 7px 18px;
	border-radius: var(--nj-radius-sm);
	text-decoration: none;
	box-shadow: 0 2px 6px rgba(30, 98, 146, 0.25);
	transition: all 0.2s ease;
}

.obj_article_summary .obj_galley_link::before {
	content: "\f1c1";
	font-family: "FontAwesome";
	font-size: 0.88rem;
	margin-right: 4px;
}

.obj_article_summary .obj_galley_link:hover {
	background: linear-gradient(135deg, var(--nj-primary-dark) 0%, #0d3654 100%);
	box-shadow: 0 4px 14px rgba(30, 98, 146, 0.35);
	transform: translateY(-1px);
}

/* 9. SIDEBAR MODERN CARD STYLING (.pkp_block) */
.pkp_structure_sidebar {
	padding-left: 20px;
}

.pkp_block {
	background: var(--nj-card-bg);
	border: 1px solid var(--nj-border);
	border-radius: var(--nj-radius);
	padding: 18px;
	margin-bottom: 24px;
	box-shadow: var(--nj-card-shadow);
	transition: all 0.2s ease;
}

.pkp_block:hover {
	box-shadow: 0 6px 18px rgba(0, 0, 0, 0.06);
}

.pkp_block .title {
	font-family: var(--nj-font-main);
	background: linear-gradient(135deg, var(--nj-primary) 0%, var(--nj-primary-dark) 100%);
	color: #ffffff !important;
	font-size: 0.86rem !important;
	font-weight: 700 !important;
	text-transform: uppercase;
	letter-spacing: 0.5px;
	padding: 10px 14px !important;
	border-radius: var(--nj-radius-sm);
	margin: -18px -18px 15px -18px !important;
	display: flex;
	align-items: center;
	gap: 8px;
}

.pkp_block .title::before {
	content: "\f0c9";
	font-family: "FontAwesome";
	font-size: 0.82rem;
	opacity: 0.85;
}

.pkp_block .content img {
	max-width: 100% !important;
	height: auto !important;
	display: block;
	margin: 8px auto !important;
	border-radius: 6px;
	transition: transform 0.2s ease;
}

.pkp_block .content img:hover {
	transform: scale(1.02);
}

/* Quick links styling inside custom sidebar blocks */
.pkp_block .content p {
	margin-bottom: 8px;
}

.pkp_block .content a {
	color: var(--nj-primary);
	font-weight: 500;
	font-size: 0.88rem;
}

.pkp_block .content a:hover {
	color: var(--nj-primary-dark);
}

/* 10. Modern Footer */
.pkp_structure_footer_wrapper {
	background: #0f172a !important;
	color: #94a3b8 !important;
	border-top: 4px solid var(--nj-primary) !important;
	padding: 35px 0 20px 0 !important;
	margin-top: 40px !important;
}

.pkp_structure_footer_wrapper a {
	color: #cbd5e1 !important;
}

.pkp_structure_footer_wrapper a:hover {
	color: #ffffff !important;
}

.pkp_footer_content {
	font-size: 0.88rem;
	line-height: 1.6;
}

.pkp_brand_footer {
	text-align: right;
	padding-top: 10px;
}

.pkp_brand_footer img {
	opacity: 0.8;
	filter: brightness(0) invert(1);
	transition: opacity 0.2s ease;
}

.pkp_brand_footer img:hover {
	opacity: 1;
}

/* 11. Responsive Media Queries */
@media (max-width: 991px) {
	.pkp_structure_sidebar {
		padding-left: 0;
		margin-top: 30px;
	}
	.obj_article_summary {
		padding: 18px 20px;
	}
	.obj_article_summary .title {
		font-size: 1.05rem;
	}
}

@media (max-width: 768px) {
	.pkp_navigation_user_wrapper {
		position: static;
		display: flex;
		justify-content: center;
		padding: 10px 0 !important;
		background: rgba(0, 0, 0, 0.1);
	}
	.pkp_site_name .is_img img {
		max-height: 140px !important;
	}
}

@media (max-width: 576px) {
	.obj_article_summary .galleys_links {
		justify-content: flex-start;
	}
	.stat-badge {
		font-size: 0.72rem;
		padding: 2px 9px;
	}
}