/* ==============================================
   indexSite.css — Site Index Page Design System
   Color system: Springer Nature EDS + WCAG 2.1 AA
   ============================================== */

:root {
	--navy-900: #0B1F35;
	--navy-800: #132E4A;
	--navy-700: #1B3D5E;
	--blue-600: #1A5276;
	--blue-500: #2471A3;
	--blue-400: #5499C7;
	--blue-200: #D4E6F1;
	--blue-100: #EBF5FB;
	--gray-900: #1C2833;
	--gray-700: #4A5568;
	--gray-500: #7B8D9E;
	--gray-300: #D5D8DC;
	--gray-200: #EAECEE;
	--gray-100: #F4F6F7;
	--white: #FFFFFF;
	--accent-green: #1E8449;
	--accent-amber: #D4AC0D;
	--font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Noto Sans SC', sans-serif;
}

/* Reset ALL OJS default layout artifacts */
.pkp_structure_page { overflow-x: hidden; background: var(--gray-100); }
.pkp_structure_content,
.pkp_structure_main { padding: 0 !important; margin: 0 !important; max-width: none !important; width: 100% !important; float: none !important; }
.pkp_head_wrapper::before, .pkp_head_wrapper::after,
.pkp_site_name_wrapper::before, .pkp_site_name_wrapper::after,
.pkp_structure_content::before, .pkp_structure_content::after,
.pkp_structure_main::before, .pkp_structure_main::after,
.pkp_structure_footer::before, .pkp_structure_footer::after,
.pkp_brand_footer::before, .pkp_brand_footer::after,
.pkp_navigation_user::before, .pkp_navigation_user::after { display: none !important; content: none !important; }

/* Header — compact, seamless into hero */
.pkp_structure_head {
	background: var(--navy-900) !important;
	border: none !important;
	box-shadow: none !important;
	margin: 0 !important;
	padding: 0 !important;
}
.pkp_head_wrapper {
	max-width: none !important;
	width: 100% !important;
	margin: 0 !important;
	padding: 12px 32px !important;
	border: none !important;
	box-shadow: none !important;
	display: flex !important;
	align-items: center !important;
	justify-content: space-between !important;
	box-sizing: border-box !important;
}
.pkp_site_name_wrapper {
	border: none !important;
	box-shadow: none !important;
	flex-shrink: 0 !important;
	float: none !important;
	width: auto !important;
	margin: 0 !important;
}
.pkp_site_name { margin: 0 !important; padding: 0 !important; }
.pkp_site_name img { height: 40px !important; width: auto !important; }
.pkp_site_name a { color: var(--white) !important; text-decoration: none !important; }
.pkp_site_nav_menu {
	display: block !important; position: static !important;
	background: transparent !important; border: none !important;
	box-shadow: none !important; padding: 0 !important; margin: 0 !important;
	width: auto !important; height: auto !important;
}
.pkp_navigation_primary_row,
.pkp_navigation_primary_wrapper { display: none !important; }
.pkp_site_nav_toggle { display: none !important; }
.pkp_navigation_user_wrapper {
	float: none !important; position: static !important;
	transform: none !important; padding: 0 !important; margin: 0 !important;
	text-align: right !important;
}
.pkp_navigation_user { margin: 0 !important; width: auto !important; padding: 0 !important; }
.pkp_screen_reader { position: absolute !important; overflow: hidden !important; clip: rect(0,0,0,0) !important; height: 1px !important; width: 1px !important; }

/* User dropdown — WCAG AA */
.pkp_navigation_user a,
.pkp_navigation_user li > a {
	color: rgba(255,255,255,0.9) !important;
	font-size: var(--text-sm) !important;
	font-family: var(--font-sans) !important;
	padding: 6px 12px !important;
	border-radius: var(--radius-sm) !important;
	transition: background var(--transition-fast) !important;
}
.pkp_navigation_user a:hover,
.pkp_navigation_user li > a:hover {
	color: var(--white) !important;
	background: var(--navy-800) !important;
}
.pkp_nav_list li { border: none !important; }
.pkp_navigation_user .dropdown-menu,
.pkp_navigation_user ul ul {
	background: var(--white) !important;
	border: 1px solid var(--gray-300) !important;
	border-radius: var(--radius-sm) !important;
	box-shadow: var(--shadow-md) !important;
	padding: 6px 0 !important;
	min-width: 180px !important;
	right: 0 !important;
	left: auto !important;
	transform: none !important;
	top: 100% !important;
	margin-top: 4px !important;
}
.pkp_navigation_user > li { position: relative !important; }
.pkp_navigation_user .dropdown-menu a,
.pkp_navigation_user ul ul a,
.pkp_navigation_user ul ul li a {
	color: var(--gray-900) !important;
	background: var(--white) !important;
	padding: 8px 16px !important;
	font-size: var(--text-sm) !important;
	display: block !important;
	border-radius: 0 !important;
}
.pkp_navigation_user .dropdown-menu a:hover,
.pkp_navigation_user ul ul a:hover,
.pkp_navigation_user ul ul li a:hover {
	background: var(--blue-100) !important;
	color: var(--blue-600) !important;
}
/* User-menu role/journal styles live in foundation.css (.ac-dropdown-* family),
   since footer.js owns the avatar dropdown across the whole site. */

/* Hero — seamless from header */
.page_index_site { margin: 0; padding: 0; }
.site-hero {
	background: linear-gradient(135deg, var(--navy-900) 0%, var(--blue-600) 100%);
	color: var(--white);
	padding: 48px 32px 40px;
	text-align: center;
	position: relative;
}
.site-hero h1 {
	font-family: var(--font-sans) !important;
	font-size: var(--display-md) !important;
	font-weight: 700;
	margin: 0 0 6px;
	letter-spacing: -0.3px;
	color: var(--white) !important;
}
.site-hero .tagline {
	font-size: var(--text-base);
	color: rgba(255,255,255,0.7) !important;
	margin: 0 0 24px;
	font-weight: 400;
	font-family: var(--font-sans);
}
.site-hero .stats-bar {
	display: inline-flex;
	background: rgba(255,255,255,0.08);
	border: 1px solid rgba(255,255,255,0.12);
	border-radius: var(--radius-md);
	padding: 12px 32px;
	gap: 36px;
}
.site-hero .stat-item { text-align: center; }
.site-hero .stat-num { font-size: var(--title-xl); font-weight: 700; display: block; color: var(--white); }
.site-hero .stat-label { font-size: var(--text-xs); text-transform: uppercase; letter-spacing: 1.5px; color: rgba(255,255,255,0.55); margin-top: 2px; display: block; }

/* Recent Articles section */
.recent-articles-section {
	max-width: 1040px;
	margin: 0 auto;
	padding: 28px 32px 12px;
}
.recent-articles-section > .section-header {
	display: flex;
	align-items: baseline;
	justify-content: space-between;
	margin: 0 0 16px;
}
.recent-articles-section > .section-header h2 {
	font-family: var(--font-sans);
	font-size: var(--title-md);
	font-weight: 600;
	color: var(--gray-900);
	margin: 0;
}
.recent-articles-section > .section-header .view-all {
	font-size: var(--text-sm);
	color: var(--blue-500);
	text-decoration: none;
	font-family: var(--font-sans);
	font-weight: 500;
}
.recent-articles-section > .section-header .view-all:hover {
	color: var(--blue-600);
	text-decoration: underline;
}
.article-list {
	list-style: none;
	padding: 0;
	margin: 0;
}
/* .article-item styles removed — site homepage now uses article_summary.tpl */

/* Journals section — refined cards with badges */
.journals-section {
	max-width: 1040px;
	margin: 0 auto;
	padding: 32px 32px 48px;
}
.journals-section > .section-header {
	display: flex;
	align-items: baseline;
	gap: 12px;
	margin: 0 0 20px;
}
.journals-section > .section-header h2 {
	font-family: var(--font-sans);
	font-size: var(--title-md);
	font-weight: 600;
	color: var(--gray-900);
	margin: 0;
}
.journals-section > .section-header .count-badge {
	font-size: var(--text-xs);
	color: var(--gray-500);
	font-family: var(--font-sans);
}
.journal-cards {
	display: grid;
	grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
	gap: 20px;
	list-style: none;
	padding: 0;
	margin: 0;
}
.journal-card {
	background: var(--white);
	border: 1px solid var(--gray-200);
	border-radius: var(--radius-md);
	display: flex;
	flex-direction: column;
	transition: box-shadow var(--transition-normal), border-color var(--transition-normal), transform var(--transition-normal);
	overflow: hidden;
}
.journal-card:hover {
	box-shadow: var(--shadow-md);
	border-color: var(--blue-400);
	transform: translateY(-2px);
}
.journal-card .card-accent {
	height: 3px;
	background: linear-gradient(90deg, var(--blue-600), var(--blue-400));
}
.journal-card .card-body {
	padding: 18px 20px 12px;
	flex: 1;
	display: flex;
	gap: 14px;
}
.journal-card .card-icon {
	flex-shrink: 0;
	width: 42px;
	height: 42px;
	border-radius: var(--radius-sm);
	background: var(--blue-600);
	color: var(--white);
	display: flex;
	align-items: center;
	justify-content: center;
	font-family: var(--font-sans);
	font-weight: 700;
	font-size: var(--text-base);
	letter-spacing: -0.5px;
}
.journal-card .card-icon.scheme-teal { background: #117A65; }
.journal-card .card-icon.scheme-purple { background: #6C3483; }
.journal-card .card-icon.scheme-red { background: #922B21; }
.journal-card .card-icon.scheme-amber { background: #B7950B; }
.journal-card .card-text { flex: 1; min-width: 0; }
.journal-card h3 {
	margin: 0 0 6px;
	font-family: var(--font-sans);
	font-size: var(--text-base);
	font-weight: 600;
	line-height: 1.4;
}
.journal-card h3 a {
	color: var(--gray-900);
	text-decoration: none;
}
.journal-card h3 a:hover {
	color: var(--blue-600);
}
.journal-card .desc {
	font-size: var(--text-sm);
	color: var(--gray-700);
	line-height: 1.55;
	margin: 0;
	display: -webkit-box;
	-webkit-line-clamp: 2;
	-webkit-box-orient: vertical;
	overflow: hidden;
}
.journal-card .card-meta {
	padding: 0 20px;
	margin-bottom: 8px;
}
.journal-card .oa-badge {
	display: inline-flex;
	align-items: center;
	gap: 4px;
	font-size: var(--text-xs);
	font-weight: 500;
	color: var(--accent-green);
	background: #E8F8F0;
	padding: 2px 8px;
	border-radius: var(--radius-xs);
	font-family: var(--font-sans);
}
.journal-card .oa-badge svg { width: 12px; height: 12px; }
.journal-card .issn-badge {
	display: inline-flex;
	align-items: center;
	font-size: var(--text-xs);
	font-weight: 500;
	color: var(--blue-600);
	background: var(--blue-100);
	padding: 2px 8px;
	border-radius: var(--radius-xs);
	font-family: var(--font-sans);
	letter-spacing: 0.2px;
	margin-right: 6px;
}
.journal-card .card-actions {
	padding: 10px 20px 14px;
	display: flex;
	gap: 8px;
	border-top: 1px solid var(--gray-200);
	margin-top: auto;
}
.journal-card .btn {
	display: inline-block;
	padding: 6px 14px;
	border-radius: var(--radius-sm);
	font-size: var(--text-sm);
	font-weight: 500;
	text-decoration: none;
	font-family: var(--font-sans);
	transition: all var(--transition-fast);
	cursor: pointer;
	line-height: 1.4;
}
.journal-card .btn-primary {
	background: var(--blue-600);
	color: var(--white);
	border: 1px solid var(--blue-600);
}
.journal-card .btn-primary:hover {
	background: var(--blue-500);
	border-color: var(--blue-500);
}
.journal-card .btn-outline {
	background: var(--white);
	color: var(--gray-700);
	border: 1px solid var(--gray-300);
}
.journal-card .btn-outline:hover {
	background: var(--blue-100);
	color: var(--blue-600);
	border-color: var(--blue-500);
}

/* Footer overrides */
.pkp_structure_footer_wrapper {
	background: var(--navy-900) !important;
	margin-top: 0 !important;
}
.pkp_structure_footer { max-width: none !important; width: 100% !important; margin: 0 !important; padding: 0 !important; }
.pkp_brand_footer {
	padding: 20px 32px !important;
	text-align: center !important;
	font-size: var(--text-xs) !important;
	color: rgba(255,255,255,0.45) !important;
	font-family: var(--font-sans) !important;
}
.pkp_brand_footer a { color: rgba(255,255,255,0.6) !important; }

/* Responsive */
@media (max-width: 640px) {
	.site-hero { padding: 32px 20px 28px; }
	.site-hero h1 { font-size: var(--title-2xl); }
	.site-hero .stats-bar { flex-direction: column; gap: 10px; padding: 12px 18px; }
	.journal-cards { grid-template-columns: 1fr; }
	.pkp_head_wrapper { padding: 8px 16px !important; }
	.journals-section { padding: 24px 16px 36px; }
	.recent-articles-section { padding: 20px 16px 8px; }
}

/* Floating contact bar */
.floating-contact-bar {
	position: fixed;
	right: 16px;
	bottom: 80px;
	display: flex;
	flex-direction: column;
	gap: 6px;
	z-index: 1000;
	opacity: 0;
	transform: translateX(60px);
	transition: opacity var(--transition-normal), transform var(--transition-normal);
}
.floating-contact-bar.visible {
	opacity: 1;
	transform: translateX(0);
}
.floating-contact-bar .contact-item {
	display: flex;
	align-items: center;
	justify-content: center;
	width: 40px;
	height: 40px;
	border-radius: var(--radius-md);
	background: var(--white);
	border: 1px solid var(--gray-200);
	color: var(--gray-700);
	text-decoration: none;
	transition: all var(--transition-normal);
	box-shadow: var(--shadow-sm);
}
.floating-contact-bar .contact-item:hover {
	background: var(--blue-600);
	color: var(--white);
	border-color: var(--blue-600);
	box-shadow: var(--shadow-md);
}
.wechat-popup {
	display: none;
	position: absolute;
	right: 52px;
	bottom: 46px;
	background: var(--white);
	border: 1px solid var(--gray-200);
	border-radius: var(--radius-md);
	padding: 12px;
	box-shadow: var(--shadow-md);
	min-width: 120px;
}
.wechat-popup.show { display: block; }
@media (max-width: 640px) {
	.floating-contact-bar { right: 10px; bottom: 60px; }
	.floating-contact-bar .contact-item { width: 36px; height: 36px; }
}