/*
Theme Name: Hán Nôm Academic
Theme URI: https://hannom.vass.gov.vn
Author: Innocom.vn
Description: Giao diện chính thống học thuật cho Tạp chí Hán Nôm — clone style hsjournal.vn / OJS Manuscript theme. Clean white background, sans-serif typography, layout tối ưu cho ACI/Scopus indexing. Tích hợp với các mu-plugins workflow / citations / references / manuscript đã có sẵn.
Version: 1.0.0
Requires at least: 6.0
Tested up to: 6.5
Requires PHP: 7.4
License: Proprietary
Text Domain: han-nom-academic
Tags: academic, journal, vietnamese, ojs-style
*/

/* =================================================================
   Hán Nôm Academic — Design System (OJS Manuscript clone)
================================================================= */

:root{
  /* Neutrals */
  --bg:#FFFFFF;
  --bg-alt:#F9FAFB;
  --bg-soft:#F3F4F6;
  --text:#1F2937;
  --text-soft:#4B5563;
  --muted:#6B7280;
  --border:#E5E7EB;
  --border-strong:#D1D5DB;

  /* Brand colors — Navy + Gold theo bìa Tạp chí Hán Nôm */
  --primary:#2f527c;          /* navy — chủ đạo */
  --primary-dark:#1f3a5a;     /* navy đậm */
  --primary-light:#e8eef5;    /* navy rất nhạt cho background */
  --link:#2f527c;             /* navy — links */
  --link-hover:#1f3a5a;
  --accent:#d4ae6f;           /* gold — chữ vàng kim trên bìa */
  --accent-dark:#b58c4d;      /* gold đậm cho hover */

  /* Typography — Fonts có Vietnamese support đầy đủ:
     - Lora: serif chính (full VN, Latin Extended)
     - Inter: sans-serif (full VN)
     - Noto Serif TC: chỉ dùng cho chữ Hán
     Fallback chain ưu tiên system fonts có VN: BlinkMacSystemFont, Segoe UI, Roboto */
  --serif:'Lora', 'Noto Serif', Georgia, 'Times New Roman', serif;
  --sans:'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  --cjk:'Noto Serif TC', 'Noto Sans CJK TC', serif;

  /* Spacing */
  --container:1200px;
  --container-narrow:900px;
  --radius:4px;
  --shadow-sm:0 1px 2px rgba(0,0,0,.04);
  --shadow:0 1px 3px rgba(0,0,0,.08), 0 1px 2px rgba(0,0,0,.05);
}

*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  background:var(--bg);
  color:var(--text);
  font-family:var(--sans);
  font-size:15px;
  line-height:1.6;
  -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;
}
body.admin-bar{padding-top:0 !important}
a{color:var(--link);text-decoration:none;transition:color .15s}
a:hover{color:var(--link-hover);text-decoration:underline}
img{max-width:100%;height:auto}

/* Admin bar compatibility */
#wpadminbar, #wpadminbar *{box-sizing:content-box}
#wpadminbar ul, #wpadminbar ul li{list-style:none !important;margin:0;padding:0;background:transparent}
#wpadminbar a{color:#eee;text-decoration:none}

.container{max-width:var(--container);margin:0 auto;padding:0 24px}

/* === TOP UTILITY BAR (login, language, submit) === */
.top-bar{background:var(--bg-soft);border-bottom:1px solid var(--border);font-size:13px;color:var(--text-soft)}
.top-bar .container{display:flex;justify-content:space-between;align-items:center;height:36px;gap:24px}
.top-bar .lang-switch{display:flex;gap:8px;align-items:center}
.top-bar .lang-switch a{color:var(--text-soft);padding:2px 8px;border-radius:2px}
.top-bar .lang-switch a:hover{background:var(--bg);color:var(--primary)}
.top-bar .lang-switch a.active{color:var(--primary);font-weight:600}
.top-bar .actions{display:flex;gap:18px}
.top-bar .actions a{color:var(--text-soft)}
.top-bar .actions a:hover{color:var(--primary)}
.top-bar .submit-btn{background:var(--primary);color:#fff !important;padding:6px 16px;border-radius:var(--radius);font-weight:500}
.top-bar .submit-btn:hover{background:var(--primary-dark);text-decoration:none}

/* === MASTHEAD (logo + title) === */
.masthead{padding:32px 0 24px;border-bottom:1px solid var(--border)}
.masthead .container{display:flex;gap:24px;align-items:center}
.masthead .logo{flex-shrink:0}
.masthead .logo img{width:80px;height:80px;object-fit:contain}
.masthead .title-block{flex:1}
.masthead h1{
  font-family:var(--serif);font-weight:600;font-size:30px;
  margin:0 0 6px;color:var(--primary);line-height:1.15;letter-spacing:-.01em;
}
.masthead h1 a{color:inherit;text-decoration:none}
.masthead .subtitle{font-size:14px;color:var(--muted);font-weight:400}
.masthead .han-mark{
  font-family:var(--cjk);font-size:16px;color:var(--primary);
  letter-spacing:.2em;margin-bottom:4px;display:block;font-weight:500;
}
.search-form-action .search-form{
  flex-shrink:0;display:flex;align-items:center;
  border:1px solid var(--border-strong);border-radius:var(--radius);
  padding:6px 12px;background:var(--bg);width:240px;
}
.search-form-action .search-form input{
  flex:1;border:0;outline:none;background:transparent;
  font-family:var(--sans);font-size:13px;color:var(--text);
}
.search-form-action .search-form input::placeholder{color:var(--muted)}
.search-form-action .search-form button{
  background:transparent;border:0;cursor:pointer;color:var(--muted);
  padding:0 0 0 8px;line-height:0;
}

/* === MAIN NAV === */
.main-nav{background:var(--bg);border-bottom:2px solid var(--primary)}
.main-nav .container{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap}
.main-nav ul,.main-nav .nav-links{
  list-style:none;margin:0;padding:0;display:flex;gap:0;flex-wrap:wrap;
}
.main-nav li{position:relative}
.main-nav a{
  display:block;padding:14px 18px;color:var(--text);font-weight:500;
  font-size:14px;border-bottom:3px solid transparent;margin-bottom:-2px;
  text-decoration:none;
}
.main-nav a:hover,
.main-nav li.current-menu-item > a,
.main-nav li.current_page_item > a{
  color:var(--primary);border-bottom-color:var(--primary);text-decoration:none;
}
.main-nav li:hover > ul.sub-menu{display:block}
.main-nav ul.sub-menu{
  display:none;position:absolute;top:100%;left:0;
  background:var(--bg);border:1px solid var(--border);box-shadow:var(--shadow);
  min-width:260px;flex-direction:column;z-index:100;
}
.main-nav ul.sub-menu li{width:100%}
.main-nav ul.sub-menu a{padding:10px 18px;border-bottom:0;margin-bottom:0;font-size:13.5px;border-left:2px solid transparent}
.main-nav ul.sub-menu a:hover{background:var(--bg-soft);border-left-color:var(--primary);color:var(--primary)}

/* Search box trong main-nav */
.main-nav-search{padding:8px 0;display:flex;align-items:center;gap:8px}
.main-nav-search a{padding:4px 12px !important;font-size:12.5px !important;color:var(--text-soft) !important;border-bottom:0 !important}
.main-nav-search a:hover{color:var(--primary) !important}

/* === BREADCRUMB === */
.breadcrumb-bar{padding:14px 0;background:var(--bg-alt);border-bottom:1px solid var(--border);font-size:13px}
.breadcrumb-bar ol{list-style:none;margin:0;padding:0;display:flex;gap:8px;flex-wrap:wrap;color:var(--muted)}
.breadcrumb-bar a{color:var(--text-soft)}
.breadcrumb-bar a:hover{color:var(--primary)}
.breadcrumb-bar li:not(:last-child)::after{content:'/';margin-left:8px;color:var(--border-strong)}

/* === LAYOUT (main + sidebar) === */
.site-main{padding:0px 0 5px}
.layout-grid{display:grid;grid-template-columns:1fr 280px;gap:36px}
.layout-grid.full{grid-template-columns:1fr}
.content-main{min-width:0}

/* === SIDEBAR === */
.sidebar{font-size:13.5px}
.sidebar-widget{background:var(--bg);border:1px solid var(--border);margin-bottom:20px;border-radius:var(--radius)}
.sidebar-widget h3{
  margin:0;padding:12px 16px;font-size:14px;font-weight:600;
  background:var(--bg-soft);border-bottom:1px solid var(--border);
  color:var(--text);text-transform:none;letter-spacing:0;
}
.sidebar-widget .content{padding:14px 16px}
.sidebar-widget img{display:block;width:100%}
.sidebar-widget ul{list-style:none;margin:0;padding:0}
.sidebar-widget li{padding:6px 0;border-bottom:1px dashed var(--border)}
.sidebar-widget li:last-child{border:0}
.sidebar-widget a{color:var(--link)}
.feed-icons{display:flex;gap:8px;align-items:center}
.feed-icons img{width:32px;height:32px;display:inline-block}

/* === HOME — HERO BANNER === */
.home-hero{
  position:relative;overflow:hidden;
  background:linear-gradient(135deg, #1f3a5a 0%, #2f527c 50%, #3d6594 100%);
  color:#fff;padding:64px 0 56px;margin-bottom:0;border-bottom:4px solid var(--accent);
}
.home-hero::before{
  content:'漢喃';position:absolute;top:-40px;right:-30px;
  font-family:var(--cjk);font-size:280px;font-weight:600;line-height:1;
  color:rgba(255,255,255,.07);letter-spacing:.05em;pointer-events:none;
  user-select:none;
}
.home-hero .container{position:relative;z-index:2;max-width:1000px}
.home-hero .eyebrow{
  font-size:12px;letter-spacing:.18em;text-transform:uppercase;
  color:rgba(255,255,255,.85);font-weight:600;margin-bottom:14px;
  display:inline-block;padding:6px 14px;background:rgba(255,255,255,.12);
  border-radius:14px;backdrop-filter:blur(4px);
}
.home-hero h1.hero-title{
  font-family:var(--serif);font-size:42px;font-weight:600;
  line-height:1.18;margin:0 0 18px;color:#fff;letter-spacing:-.01em;
  max-width:780px;
}
.home-hero h1.hero-title em{color:#d4ae6f;font-style:italic;font-weight:600}
.home-hero p.hero-lead{
  font-size:17px;line-height:1.65;color:rgba(255,255,255,.92);
  margin:0 0 28px;max-width:740px;
}
.home-hero .hero-actions{display:flex;gap:12px;flex-wrap:wrap}
.home-hero .hero-actions a{
  display:inline-flex;align-items:center;gap:8px;
  padding:13px 26px;border-radius:var(--radius);
  font-size:14px;font-weight:600;letter-spacing:.04em;
  text-decoration:none;transition:transform .15s, box-shadow .15s;
}
.home-hero .hero-actions a.primary{
  background:#fff;color:var(--primary);
  box-shadow:0 4px 14px rgba(0,0,0,.15);
}
.home-hero .hero-actions a.primary:hover{transform:translateY(-2px);box-shadow:0 6px 20px rgba(0,0,0,.22)}
.home-hero .hero-actions a.ghost{
  background:transparent;color:#fff;border:2px solid rgba(255,255,255,.4);
}
.home-hero .hero-actions a.ghost:hover{background:rgba(255,255,255,.12);border-color:#fff}

/* === STATS BAR === */
.home-stats{
  background:#fff;border-bottom:1px solid var(--border);
  padding:32px 0;margin-bottom:48px;
}
.home-stats .container{
  display:grid;grid-template-columns:repeat(4,1fr);gap:32px;
}
.stat-cell{text-align:center;padding:0 16px;border-right:1px solid var(--border)}
.stat-cell:last-child{border-right:0}
.stat-cell .han{
  font-family:var(--cjk);font-size:32px;color:var(--primary);font-weight:600;
  line-height:1;margin-bottom:6px;letter-spacing:.05em;
}
.stat-cell .num{
  font-family:var(--serif);font-size:38px;color:var(--text);font-weight:600;
  line-height:1.1;margin-bottom:4px;
}
.stat-cell .label{
  font-size:12.5px;color:var(--muted);font-weight:500;
  text-transform:uppercase;letter-spacing:.08em;
}

/* === HOME — INTRO SECTION === */
.home-intro{margin-bottom:48px}
.home-intro h2{
  font-family:var(--serif);font-size:24px;font-weight:600;color:var(--primary);
  margin:0 0 16px;padding-bottom:10px;border-bottom:2px solid var(--primary);
}
.home-intro .grid{display:grid;grid-template-columns:280px 1fr;gap:28px;align-items:start}
.home-intro img.cover{width:100%;border:1px solid var(--border);border-radius:var(--radius)}
.home-intro p{margin:0 0 14px;font-size:15px;line-height:1.7;color:var(--text-soft)}

/* === FEATURED ARTICLES (3 cards) === */
.featured-articles{margin-bottom:48px}
.featured-articles h2{
  font-family:var(--serif);font-size:24px;font-weight:600;color:var(--primary);
  margin:0 0 20px;padding-bottom:10px;border-bottom:2px solid var(--primary);
  display:flex;align-items:baseline;gap:12px;
}
.featured-articles h2 .sub{font-size:14px;color:var(--muted);font-weight:400;letter-spacing:.04em}
.featured-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.featured-card{
  background:#fff;border:1px solid var(--border);border-top:3px solid var(--primary);
  border-radius:var(--radius);padding:20px;
  transition:transform .15s, box-shadow .15s;
  display:flex;flex-direction:column;
}
.featured-card:hover{transform:translateY(-2px);box-shadow:0 8px 24px rgba(0,0,0,.08)}
.featured-card .badge{
  font-size:10.5px;color:var(--accent);font-weight:700;letter-spacing:.12em;
  text-transform:uppercase;margin-bottom:10px;display:inline-block;
}
.featured-card h3{
  font-family:var(--serif);font-size:17px;font-weight:600;line-height:1.35;
  margin:0 0 10px;flex:1;
}
.featured-card h3 a{color:var(--text);text-decoration:none}
.featured-card h3 a:hover{color:var(--primary)}
.featured-card .author{font-size:13px;color:var(--text-soft);margin-bottom:12px;font-weight:500}
.featured-card .stats-row{
  display:flex;gap:14px;font-size:12px;color:var(--muted);
  padding-top:12px;border-top:1px solid var(--border);margin-top:auto;
}
.featured-card .stats-row span{display:flex;align-items:center;gap:4px}
.featured-card .stats-row strong{color:var(--primary)}

/* === HOME — CURRENT ISSUE === */
.current-issue{margin-bottom:48px}
.current-issue h2{
  font-family:var(--serif);font-size:24px;font-weight:600;color:var(--primary);
  margin:0 0 20px;padding-bottom:10px;border-bottom:2px solid var(--primary);
}
.current-issue .layout{display:grid;grid-template-columns:240px 1fr;gap:28px;align-items:start}
.issue-cover-card{text-align:center}
.issue-cover-card img{
  width:100%;max-width:240px;border:1px solid var(--border-strong);
  box-shadow:var(--shadow);border-radius:2px;
}
.issue-cover-card .meta{font-size:13px;color:var(--muted);margin-top:12px;line-height:1.6}
.issue-cover-card .meta strong{display:block;color:var(--text);font-size:15px;margin-bottom:4px}
.issue-cover-card .view-btn{
  display:inline-block;margin-top:14px;padding:8px 18px;
  background:var(--primary);color:#fff;border-radius:var(--radius);
  font-size:13px;font-weight:500;
}
.issue-cover-card .view-btn:hover{background:var(--primary-dark);text-decoration:none}

/* Article list (ToC) */
.article-list{display:flex;flex-direction:column;gap:18px}
.article-item{
  display:grid;grid-template-columns:64px 1fr;gap:14px;
  padding-bottom:18px;border-bottom:1px solid var(--border);
}
.article-item:last-child{border-bottom:0}
.article-item .thumb{
  width:64px;height:90px;background:var(--bg-soft);
  border:1px solid var(--border);object-fit:cover;border-radius:2px;
}
.article-item .info{min-width:0}
.article-item h3{
  font-family:var(--serif);font-size:16.5px;font-weight:600;line-height:1.35;
  margin:0 0 6px;
}
.article-item h3 a{color:var(--text);text-decoration:none}
.article-item h3 a:hover{color:var(--link)}
.article-item .authors{font-size:13.5px;color:var(--text-soft);margin:0 0 6px}
.article-item .links{display:flex;gap:10px;font-size:13px}
.article-item .links a{
  display:inline-flex;align-items:center;gap:4px;padding:3px 10px;
  border:1px solid var(--border-strong);border-radius:2px;
  color:var(--text-soft);background:var(--bg-alt);
}
.article-item .links a:hover{background:var(--primary);color:#fff;border-color:var(--primary);text-decoration:none}

.archive-link{
  text-align:right;margin-top:18px;
  font-size:14px;
}
.archive-link a{color:var(--link);font-weight:500}

/* === ARCHIVE / CATEGORY LIST === */
.archive-header{margin-bottom:28px;padding-bottom:14px;border-bottom:2px solid var(--primary)}
.archive-header h1{
  font-family:var(--serif);font-size:26px;font-weight:600;color:var(--primary);margin:0 0 6px;
}
.archive-header .description{color:var(--muted);font-size:14px;margin:0}

.archive-issue-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;margin-bottom:36px}
.archive-issue-card{text-align:center}
.archive-issue-card img{
  width:100%;aspect-ratio:3/4;object-fit:cover;
  border:1px solid var(--border-strong);box-shadow:var(--shadow);
}
.archive-issue-card .label{font-size:13px;color:var(--text-soft);margin-top:8px;line-height:1.4}
.archive-issue-card a{color:var(--text)}
.archive-issue-card a:hover{color:var(--primary)}

/* === SEARCH === */
.search-results-header{margin-bottom:24px;padding-bottom:14px;border-bottom:1px solid var(--border)}
.search-results-header h1{font-family:var(--serif);font-size:24px;font-weight:600;margin:0 0 6px;color:var(--text)}
.search-results-header h1 em{color:var(--primary);font-style:normal}
.search-results-header .count{color:var(--muted);font-size:14px}

.search-form-big{display:flex;gap:0;margin-bottom:24px;max-width:600px;border:1px solid var(--border-strong);border-radius:var(--radius);overflow:hidden}
.search-form-big input{flex:1;padding:11px 16px;border:0;font-family:var(--sans);font-size:15px;outline:none;background:#fff}
.search-form-big button{
  background:var(--primary);color:#fff;border:0;padding:0 24px;
  font-family:var(--sans);font-size:13px;font-weight:600;letter-spacing:.06em;
  text-transform:uppercase;cursor:pointer;
}
.search-form-big button:hover{background:var(--primary-dark)}

.search-result-item{padding:18px 0;border-bottom:1px solid var(--border)}
.search-result-item:last-child{border-bottom:0}
.search-result-item .cat{font-size:11.5px;color:var(--accent);text-transform:uppercase;letter-spacing:.08em;font-weight:600;margin-bottom:4px}
.search-result-item h3{font-family:var(--serif);font-size:18px;font-weight:600;margin:0 0 6px;line-height:1.35}
.search-result-item h3 a{color:var(--text)}
.search-result-item h3 a:hover{color:var(--link)}
.search-result-item .snippet{font-size:14px;line-height:1.6;color:var(--text-soft);margin:0 0 8px}
.search-result-item .meta{font-size:12.5px;color:var(--muted);display:flex;gap:14px;flex-wrap:wrap}
.search-result-item mark{background:#FEF3C7;color:var(--text);padding:0 3px;font-weight:600}

/* === SINGLE ARTICLE === */
.article-header{margin-bottom:28px;padding-bottom:20px;border-bottom:1px solid var(--border)}
.article-header .category-tag{
  display:inline-block;font-size:11.5px;color:var(--primary);
  text-transform:uppercase;letter-spacing:.1em;font-weight:600;margin-bottom:10px;
}
.article-header h1{
  font-family:var(--serif);font-size:30px;font-weight:600;line-height:1.25;
  margin:0 0 14px;color:var(--text);letter-spacing:-.005em;
}
.article-header .han-title{
  font-family:var(--cjk);font-size:18px;color:var(--primary);margin:0 0 14px;
  letter-spacing:.1em;font-weight:500;
}
.article-header .authors{font-size:15px;color:var(--text-soft);margin:0 0 6px;line-height:1.6}
.article-header .authors strong{color:var(--text);font-weight:600}
.article-header .meta-row{
  display:flex;gap:18px;flex-wrap:wrap;font-size:13px;color:var(--muted);margin-top:10px;
}
.article-header .meta-row span strong{color:var(--text-soft)}

.article-actions{display:flex;gap:10px;margin:18px 0 24px;flex-wrap:wrap}
.article-actions a{
  display:inline-flex;align-items:center;gap:6px;padding:8px 16px;
  background:var(--primary);color:#fff;border-radius:var(--radius);
  font-size:13.5px;font-weight:500;
}
.article-actions a:hover{background:var(--primary-dark);text-decoration:none}
.article-actions a.outline{background:transparent;color:var(--primary);border:1px solid var(--primary)}
.article-actions a.outline:hover{background:var(--primary);color:#fff}

.abstract-block{
  background:var(--bg-alt);border-left:3px solid var(--primary);padding:20px 24px;
  margin:0 0 28px;border-radius:0 var(--radius) var(--radius) 0;
}
.abstract-block h4{
  font-family:var(--sans);font-size:11.5px;text-transform:uppercase;letter-spacing:.12em;
  font-weight:700;color:var(--primary);margin:0 0 10px;
}
.abstract-block p{margin:0 0 10px;font-size:14.5px;line-height:1.7;color:var(--text-soft);text-align:justify}
.abstract-block p:last-child{margin-bottom:0}

/* === ARTICLE SECTIONS (JCEPP-style) === */
.article-section{margin-bottom:32px;padding-bottom:24px;border-bottom:1px solid var(--border)}
.article-section:last-child{border-bottom:0}
.article-section .section-title{
  font-family:var(--serif);font-size:20px;font-weight:600;color:var(--text);
  margin:0 0 14px;padding-bottom:0;border-bottom:0;
  display:flex;align-items:baseline;gap:10px;
}

/* Authors block */
.author-entry{
  padding:14px 0;border-bottom:1px dashed var(--border);
}
.author-entry:last-child{border-bottom:0;padding-bottom:0}
.author-entry .author-name{font-family:var(--serif);font-size:16px;font-weight:600;margin-bottom:4px}
.author-entry .author-name a{color:var(--text);text-decoration:none}
.author-entry .author-name a:hover{color:var(--link)}
.author-entry .author-name .han{
  font-family:var(--cjk);color:var(--primary);font-size:14px;
  margin-left:8px;letter-spacing:.06em;font-weight:500;
}
.author-entry .author-org{font-size:13.5px;color:var(--text-soft);line-height:1.5;margin-bottom:3px}
.author-entry .author-orcid{font-size:12.5px;display:flex;align-items:center;gap:6px;margin-top:3px}
.author-entry .author-orcid .orcid-icon{
  display:inline-block;background:#A6CE39;color:#fff;font-weight:700;
  width:18px;height:18px;border-radius:50%;text-align:center;
  font-size:10px;line-height:18px;font-family:var(--sans);
}
.author-entry .author-orcid a{color:var(--link-hover);font-family:'SF Mono','Consolas',monospace;font-size:12px}

/* Keyword chips */
.keyword-chips{display:flex;flex-wrap:wrap;gap:8px}
.keyword-chip{
  display:inline-block;padding:6px 14px;
  background:var(--bg-alt);border:1px solid var(--border);border-radius:18px;
  font-size:13px;color:var(--text-soft);text-decoration:none;
  transition:all .15s;
}
.keyword-chip:hover{background:var(--primary);color:#fff;border-color:var(--primary);text-decoration:none}

/* Downloads box */
.downloads-section .download-actions{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.dl-btn{
  display:flex;align-items:center;gap:14px;padding:14px 18px;
  border-radius:var(--radius);text-decoration:none;transition:all .15s;
}
.dl-btn .dashicons{font-size:32px;width:32px;height:32px;flex-shrink:0}
.dl-btn strong{display:block;font-size:14.5px;font-weight:600;line-height:1.2;margin-bottom:3px}
.dl-btn em{display:block;font-size:12px;font-style:normal;opacity:.85;line-height:1.2}
.dl-btn.primary{background:var(--primary);color:#fff}
.dl-btn.primary:hover{background:var(--primary-dark);transform:translateY(-2px);text-decoration:none}
.dl-btn.outline{background:#fff;color:var(--primary);border:2px solid var(--primary)}
.dl-btn.outline:hover{background:var(--primary);color:#fff;text-decoration:none}

/* Abstract content */
.abstract-content{font-size:15px;line-height:1.75;color:var(--text-soft);text-align:justify}
.abstract-content p{margin:0 0 10px}
.abstract-content p:last-child{margin-bottom:0}

/* How to Cite */
.how-to-cite{background:var(--bg-alt);padding:20px 24px;border-radius:var(--radius);border:1px solid var(--border)}
.how-to-cite .section-title{margin-top:0;color:var(--primary)}
.cite-tabs{display:flex;gap:0;border-bottom:1px solid var(--border-strong);margin-bottom:14px}
.cite-tab{
  background:transparent;border:0;border-bottom:2px solid transparent;
  padding:9px 18px;cursor:pointer;font-family:var(--sans);font-size:13px;
  font-weight:600;color:var(--muted);letter-spacing:.05em;
}
.cite-tab:hover{color:var(--primary)}
.cite-tab.active{color:var(--primary);border-bottom-color:var(--primary)}
.cite-content{padding:14px 0;font-size:14px;line-height:1.7;color:var(--text-soft)}
.cite-content p{margin:0}
.cite-actions{display:flex;gap:10px;margin-top:14px;padding-top:14px;border-top:1px dashed var(--border);flex-wrap:wrap}
.btn-cite-action{
  display:inline-block;padding:7px 14px;font-size:12.5px;
  background:#fff;color:var(--text-soft);border:1px solid var(--border-strong);
  border-radius:var(--radius);cursor:pointer;text-decoration:none;
}
.btn-cite-action:hover{background:var(--primary);color:#fff;border-color:var(--primary);text-decoration:none}

/* References list */
.references-section .reference-list{
  padding-left:24px;font-size:13.5px;line-height:1.7;color:var(--text-soft);
}
.references-section .reference-list li{margin-bottom:8px;padding-left:6px}
.references-section .reference-list li:hover{background:var(--bg-soft);border-radius:2px}
.references-section .reference-list a{color:var(--link);word-break:break-all}

/* Metadata grid */
.metadata-section .meta-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.meta-item{padding:12px 14px;background:var(--bg-alt);border-left:3px solid var(--primary);border-radius:0 var(--radius) var(--radius) 0}
.meta-label{font-size:11px;text-transform:uppercase;letter-spacing:.08em;color:var(--muted);font-weight:600;margin-bottom:4px}
.meta-value{font-size:15px;color:var(--text);font-weight:500}
.meta-value a{color:var(--link)}

/* License + Indexing */
.license-section .license-row{
  display:flex;align-items:center;gap:18px;
  padding:14px;background:var(--bg-alt);border:1px solid var(--border);border-radius:var(--radius);
}
.cc-badge svg{display:block;border-radius:3px}
.indexing-badges{
  display:flex;align-items:center;flex-wrap:wrap;gap:8px;
  margin-top:14px;padding-top:14px;border-top:1px dashed var(--border);
}
.indexing-badges .badge-label{font-size:13px;color:var(--muted);margin-right:6px}
.idx-badge{
  display:inline-block;padding:5px 12px;font-size:12px;font-weight:600;
  background:#fff;border:1px solid var(--border-strong);border-radius:14px;
  color:var(--text-soft);text-decoration:none;letter-spacing:.02em;
}
.idx-badge:hover{background:var(--primary);color:#fff;border-color:var(--primary);text-decoration:none}

@media (max-width:600px){
  .downloads-section .download-actions{grid-template-columns:1fr}
  .metadata-section .meta-grid{grid-template-columns:1fr 1fr}
}

.article-body{font-size:16px;line-height:1.8;color:var(--text)}
.article-body p{margin:0 0 1em;text-align:justify}
.article-body h2{font-family:var(--serif);font-size:22px;font-weight:600;margin:32px 0 14px;color:var(--text)}
.article-body h3{font-family:var(--serif);font-size:18px;font-weight:600;margin:24px 0 10px;color:var(--text)}
.article-body blockquote{
  margin:24px 0;padding:14px 22px;background:var(--bg-soft);
  border-left:3px solid var(--border-strong);font-style:italic;color:var(--text-soft);
}
.article-body figure{margin:24px 0}
.article-body figure img{width:100%;border:1px solid var(--border)}
.article-body figcaption{font-size:13px;color:var(--muted);text-align:center;margin-top:8px;font-style:italic}

/* === ABOUT PAGE === */
.page-content{}
.page-content h1{font-family:var(--serif);font-size:30px;font-weight:600;color:var(--text);margin:0 0 14px;line-height:1.25}
.page-content h2{font-family:var(--serif);font-size:22px;font-weight:600;color:var(--primary);margin:32px 0 14px}
.page-content h3{font-family:var(--serif);font-size:18px;font-weight:600;color:var(--text);margin:24px 0 10px}
.page-content p{font-size:15px;line-height:1.8;color:var(--text-soft);margin:0 0 1em;text-align:justify}
.page-content figure{margin:24px 0}
.page-content img{max-width:100%;height:auto}

/* Editorial Board */
.eb-section{margin-top:36px}
.eb-section h2{
  font-family:var(--serif);font-size:22px;font-weight:600;color:var(--primary);
  margin:0 0 18px;padding-bottom:10px;border-bottom:2px solid var(--primary);
}
.eb-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px 32px;margin-bottom:32px}
.eb-grid.three{grid-template-columns:repeat(3,1fr)}
.eb-person{
  display:grid;grid-template-columns:56px 1fr;gap:14px;
  padding:14px 0;border-bottom:1px solid var(--border);
}
.eb-person:last-child{border-bottom:0}
.eb-avatar{
  width:56px;height:56px;border-radius:50%;background:var(--primary-light);
  display:flex;align-items:center;justify-content:center;
  font-family:var(--cjk);color:var(--primary);font-size:22px;font-weight:600;
  border:2px solid var(--primary);flex-shrink:0;
}
.eb-info .name{font-weight:600;color:var(--text);font-size:14.5px;margin-bottom:2px}
.eb-info .role{font-size:13px;color:var(--primary);font-weight:500;margin-bottom:2px}
.eb-info .org{font-size:12.5px;color:var(--muted);line-height:1.4}

/* === FOOTER === */
.site-footer{background:var(--bg-soft);border-top:3px solid var(--primary);padding:36px 0 24px;margin-top:60px;font-size:13.5px;color:var(--text-soft);line-height:1.7}
.site-footer .container{display:grid;grid-template-columns:1fr 1fr 1fr;gap:36px}
.site-footer h4{
  font-family:var(--sans);font-size:13.5px;font-weight:700;color:var(--primary);
  margin:0 0 12px;text-transform:uppercase;letter-spacing:.05em;
}
.site-footer p{margin:0 0 6px}
.site-footer strong{color:var(--text)}
.site-footer a{color:var(--link)}
.footer-logo{display:flex;align-items:center;gap:14px;margin-bottom:14px}
.footer-logo img{width:56px;height:56px;object-fit:contain}
.footer-bottom{
  border-top:1px solid var(--border);margin-top:24px;padding-top:18px;
  text-align:center;font-size:12.5px;color:var(--muted);
}

/* === SUBMIT FORM PAGE === */
.submit-page h1{font-family:var(--serif);font-size:28px;font-weight:600;color:var(--text);margin:0 0 20px}
.submit-page .form-row{margin-bottom:18px}
.submit-page label{display:block;font-size:13px;font-weight:600;color:var(--text);margin-bottom:6px}
.submit-page input,.submit-page textarea,.submit-page select{
  width:100%;padding:9px 12px;border:1px solid var(--border-strong);
  border-radius:var(--radius);font-family:var(--sans);font-size:14.5px;
  background:#fff;color:var(--text);
}
.submit-page input:focus,.submit-page textarea:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px var(--primary-light)}
.submit-page button{
  padding:11px 28px;background:var(--primary);color:#fff;border:0;border-radius:var(--radius);
  font-family:var(--sans);font-size:14px;font-weight:600;letter-spacing:.04em;cursor:pointer;
}
.submit-page button:hover{background:var(--primary-dark)}

/* === PAGINATION === */
.pagination{display:flex;justify-content:center;gap:6px;margin-top:36px;font-size:14px}
.pagination .page-numbers{
  display:inline-block;padding:7px 13px;border:1px solid var(--border-strong);
  border-radius:var(--radius);color:var(--text-soft);background:#fff;
}
.pagination .page-numbers.current{background:var(--primary);color:#fff;border-color:var(--primary)}
.pagination .page-numbers:hover{background:var(--bg-soft);text-decoration:none}

/* === MANUSCRIPT ITEMS (cho mu-plugin manuscript) === */
.hn-manuscripts{margin:24px 0;padding:18px 20px;background:var(--bg-alt);border:1px solid var(--border);border-radius:var(--radius)}
.hn-manuscripts > h4{font-family:var(--sans);font-size:14px;font-weight:700;color:var(--primary);margin:0 0 14px;text-transform:uppercase;letter-spacing:.05em}
.hn-m-item{display:grid;gap:10px;padding:12px 0;border-bottom:1px dashed var(--border)}
.hn-m-item:last-child{border-bottom:0}
.hn-m-head{display:flex;align-items:center;gap:10px;color:var(--text)}
.hn-m-head .dashicons{color:var(--primary)}
.hn-m-head .title{font-weight:500;font-size:14.5px;flex:1}
.hn-m-head .meta{font-size:12px;color:var(--muted)}
.hn-m-actions{display:flex;gap:8px}
.hn-m-actions a{
  display:inline-flex;align-items:center;gap:4px;padding:6px 14px;
  border-radius:var(--radius);font-size:13px;font-weight:500;
  border:1px solid var(--primary);
}
.hn-m-actions a.view{background:var(--primary);color:#fff}
.hn-m-actions a.view:hover{background:var(--primary-dark);text-decoration:none}
.hn-m-actions a.dl{background:#fff;color:var(--primary)}
.hn-m-actions a.dl:hover{background:var(--primary);color:#fff;text-decoration:none}

/* === READING PROGRESS BAR === */
#hna-reading-progress{
  position:fixed;top:0;left:0;height:3px;width:0;z-index:9999;
  background:linear-gradient(90deg,var(--primary),var(--accent));
  transition:width .1s ease-out;pointer-events:none;
}

/* === AUTO TABLE OF CONTENTS === */
.hna-toc{
  background:var(--bg-alt);border:1px solid var(--border);border-left:3px solid var(--accent);
  border-radius:var(--radius);padding:16px 20px;margin:0 0 32px;
}
.hna-toc-head{
  font-family:var(--sans);font-size:13px;font-weight:700;text-transform:uppercase;
  letter-spacing:.08em;color:var(--primary);margin-bottom:10px;
}
.hna-toc-list{margin:0;padding-left:22px;font-size:14px;line-height:1.6;list-style-type:decimal}
.hna-toc-list li{padding:3px 0}
.hna-toc-list li.toc-h3{margin-left:18px;font-size:13px;list-style-type:lower-alpha;color:var(--text-soft)}
.hna-toc-list a{color:var(--text);text-decoration:none}
.hna-toc-list a:hover{color:var(--link);text-decoration:underline}

/* === PREV/NEXT ARTICLE NAV === */
.article-nav-prev-next{
  display:grid;grid-template-columns:1fr 1fr;gap:14px;
  margin:36px 0;padding-top:24px;border-top:2px solid var(--border-strong);
}
.article-nav-prev-next .nav-item a{
  display:flex;flex-direction:column;gap:6px;padding:14px 18px;
  background:var(--bg-alt);border:1px solid var(--border);border-radius:var(--radius);
  text-decoration:none;transition:all .15s;height:100%;
}
.article-nav-prev-next .nav-item a:hover{
  background:var(--primary);border-color:var(--primary);transform:translateY(-2px);
}
.article-nav-prev-next .nav-item a:hover .nav-label,
.article-nav-prev-next .nav-item a:hover .nav-title{color:#fff}
.article-nav-prev-next .nav-label{
  font-size:12px;font-weight:600;color:var(--primary);text-transform:uppercase;letter-spacing:.06em;
}
.article-nav-prev-next .nav-title{
  font-family:var(--serif);font-size:15px;color:var(--text);font-weight:500;line-height:1.4;
}
.article-nav-prev-next .nav-next a{text-align:right}

/* === RELATED ARTICLES === */
.related-articles{margin:48px 0 0;padding-top:36px;border-top:2px solid var(--border-strong)}
.related-articles .section-title{
  font-family:var(--serif);font-size:22px;font-weight:600;color:var(--primary);
  margin:0 0 20px;
}
.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.related-card{
  background:#fff;border:1px solid var(--border);border-radius:var(--radius);
  overflow:hidden;display:flex;flex-direction:column;transition:transform .15s,box-shadow .15s;
}
.related-card:hover{transform:translateY(-3px);box-shadow:0 8px 24px rgba(0,0,0,.08)}
.related-card .related-thumb{display:block;aspect-ratio:16/10;overflow:hidden;background:var(--bg-soft)}
.related-card .related-thumb img{width:100%;height:100%;object-fit:cover}
.related-card .related-info{padding:14px 16px;flex:1;display:flex;flex-direction:column}
.related-card .badge{
  font-size:10.5px;color:var(--accent);font-weight:700;letter-spacing:.1em;
  text-transform:uppercase;margin-bottom:8px;display:inline-block;
}
.related-card h3{
  font-family:var(--serif);font-size:15.5px;font-weight:600;line-height:1.35;
  margin:0 0 8px;flex:1;
}
.related-card h3 a{color:var(--text);text-decoration:none}
.related-card h3 a:hover{color:var(--primary)}
.related-card .related-author{font-size:12.5px;color:var(--text-soft);margin:0 0 3px;font-weight:500}
.related-card .related-date{font-size:12px;color:var(--muted);margin:0}

/* === MOBILE HAMBURGER MENU === */
.hna-menu-toggle{
  display:none;background:transparent;border:0;padding:8px;cursor:pointer;
  width:40px;height:40px;align-items:center;justify-content:center;flex-direction:column;gap:5px;
}
.hna-menu-toggle span{
  display:block;width:24px;height:2px;background:var(--text);
  border-radius:1px;transition:all .25s;
}
.hna-menu-toggle.is-open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.hna-menu-toggle.is-open span:nth-child(2){opacity:0}
.hna-menu-toggle.is-open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
body.hna-menu-open{overflow:hidden}

@media (max-width:768px){
  .hna-menu-toggle{display:flex}
  .main-nav .container{position:relative;padding:8px 16px}
  .main-nav .nav-links{
    display:none;flex-direction:column;width:100%;
    background:#fff;border:1px solid var(--border);border-top:0;
    position:absolute;top:100%;left:0;right:0;
    box-shadow:0 8px 20px rgba(0,0,0,.1);z-index:100;
    max-height:80vh;overflow-y:auto;
  }
  .main-nav.mobile-open .nav-links{display:flex !important}
  .main-nav .nav-links li{width:100%;border-bottom:1px solid var(--border)}
  .main-nav .nav-links li:last-child{border-bottom:0}
  .main-nav .nav-links a{padding:13px 18px;border:0;margin:0}
  .main-nav .nav-links ul.sub-menu{
    display:block;position:static;border:0;box-shadow:none;min-width:auto;
    background:var(--bg-alt);
  }
  .main-nav .nav-links ul.sub-menu a{padding:10px 18px 10px 36px;font-size:13.5px}
  .main-nav-search{
    display:flex;justify-content:space-between;padding:8px 16px;
    border-top:1px solid var(--border);background:var(--bg-soft);
    width:100%;flex-direction:row;order:99;
  }
  .main-nav.mobile-open .main-nav-search{display:flex !important}
  .main-nav:not(.mobile-open) .main-nav-search{display:none}
}

/* === PRINT STYLESHEET — bài viết in đẹp như PDF === */
@media print{
  *{box-shadow:none !important;text-shadow:none !important}
  body{background:#fff !important;color:#000 !important;font-size:11pt}

  /* Ẩn các phần không cần in */
  .top-bar, .masthead .search-form, .main-nav, .breadcrumb-bar,
  .sidebar, .site-footer, .home-hero, .home-stats,
  .downloads-section, .how-to-cite, .article-actions,
  .article-nav-prev-next, .related-articles,
  .indexing-badges, .license-section .indexing-badges,
  .hna-toc, #hna-reading-progress, .hna-menu-toggle,
  .hna-pdf-overlay, .hna-pdf-modal,
  .nav-links, form, button{display:none !important}

  /* Layout */
  .layout-grid{grid-template-columns:1fr !important;display:block !important}
  .container{max-width:100% !important;padding:0 !important}
  .site-main{padding:0 !important}
  .masthead{padding:0 0 12px;border-bottom:2px solid #000;margin-bottom:18px}
  .masthead .container{display:block !important;text-align:left}
  .masthead .han-mark{display:block;font-size:12pt;color:#000;letter-spacing:.2em;margin:0 0 4px}
  .masthead h1{font-size:18pt;color:#000;margin:0 0 4px;font-style:normal}
  .masthead .subtitle{font-size:9pt;color:#444}

  /* Article header */
  article{break-inside:auto}
  .article-header{margin-bottom:18px;padding-bottom:12px;border-bottom:1px solid #000}
  .article-header .category-tag{font-size:9pt;color:#000;border:0;padding:0;background:transparent}
  .article-header h1, .article-section h1{font-size:16pt;color:#000;margin:6px 0 10px;line-height:1.3}
  .article-header .han-title{font-size:11pt;color:#000;margin-bottom:8px}

  /* Sections */
  .article-section{padding:8px 0;margin-bottom:8px;border-bottom:1px solid #ccc;break-inside:avoid}
  .article-section .section-title{font-size:12pt;color:#000;margin:0 0 6px}

  /* Authors */
  .author-entry{padding:4px 0;border-bottom:0}
  .author-entry .author-name{font-size:11pt}
  .author-entry .author-name .han{color:#000}
  .author-entry .author-org{font-size:9.5pt}
  .author-entry .author-orcid a{color:#000}

  /* Body */
  .article-body{font-size:11pt;line-height:1.6;color:#000}
  .article-body p{margin:0 0 6pt;text-align:justify;hyphens:auto;orphans:3;widows:3}
  .article-body h2{font-size:13pt;color:#000;margin:14pt 0 6pt;page-break-after:avoid}
  .article-body h3{font-size:11.5pt;color:#000;margin:10pt 0 4pt;page-break-after:avoid}
  .article-body blockquote{border-left:2pt solid #000;padding:4pt 12pt;color:#222;background:transparent}
  .article-body figure{page-break-inside:avoid}
  .article-body img{max-width:100%;border:0.5pt solid #999}

  /* Abstract */
  .abstract-content{font-size:10.5pt;color:#000;background:#f8f8f8;padding:8pt 12pt;border-left:2pt solid #000}

  /* Metadata grid */
  .metadata-section .meta-grid{display:flex;flex-wrap:wrap;gap:12pt;font-size:9.5pt}
  .meta-item{background:transparent;border:0;border-left:1.5pt solid #000;padding:0 0 0 8pt}
  .meta-label{color:#444}

  /* References */
  .references-section .reference-list{font-size:9.5pt;page-break-inside:avoid}
  .references-section .reference-list li{margin-bottom:4pt}
  .references-section .reference-list a{color:#000;text-decoration:none}
  .references-section .reference-list a:after{content:" (" attr(href) ")";font-size:8pt;color:#444}

  /* License */
  .license-section .license-row{background:transparent;border:0;border-top:1pt solid #000;padding:6pt 0;font-size:9pt}
  .cc-badge{display:none}

  /* URL hint khi in */
  a{color:#000;text-decoration:underline}
  .article-body a[href]:not([href^="#"]):after{content:" [" attr(href) "]";font-size:8pt;color:#666}

  /* Header in mỗi trang */
  @page{
    margin:1.5cm 2cm;
    @top-right{content:"Tạp chí Hán Nôm";font-family:'Noto Serif TC',serif;font-size:9pt;color:#555}
    @bottom-center{content:"Trang " counter(page) " / " counter(pages);font-size:9pt;color:#555}
  }
}

/* === RESPONSIVE === */
@media (max-width:960px){
  .related-grid{grid-template-columns:1fr 1fr}
  .article-nav-prev-next{grid-template-columns:1fr}
  .layout-grid{grid-template-columns:1fr}
  .sidebar{order:2}
  .home-intro .grid,
  .current-issue .layout{grid-template-columns:1fr;gap:20px}
  .archive-issue-grid{grid-template-columns:repeat(2,1fr)}
  .eb-grid,.eb-grid.three{grid-template-columns:1fr}
  .site-footer .container{grid-template-columns:1fr}
  .masthead .container{flex-wrap:wrap}
  .masthead .search-form{order:3;width:100%}
  .home-hero h1.hero-title{font-size:30px}
  .home-stats .container{grid-template-columns:repeat(2,1fr);gap:18px}
  .stat-cell{border-right:0;border-bottom:1px solid var(--border);padding-bottom:18px}
  .stat-cell:nth-last-child(-n+2){border-bottom:0;padding-bottom:0}
  .featured-grid{grid-template-columns:1fr}
}
@media (max-width:600px){
  .masthead h1{font-size:22px}
  .top-bar .container{flex-direction:column;height:auto;padding:10px 16px;gap:8px}
  .main-nav a{padding:13px 18px;font-size:14px}
  .article-header h1{font-size:22px}
  .related-grid{grid-template-columns:1fr}
}