:root{
  --bg:#f7f5f0;
  --surface:#ffffff;
  --ink:#1a1f2e;
  --ink-soft:#5a6578;
  --navy:#132b52;
  --line:#e0ddd5;
  --accent:#b3401e;
  --accent-soft:#f5e9e3;
  --q1:#e8f0fa;
  --q2:#b3d4f0;
  --q3:#5a9cd6;
  --q4:#1a5a9e;
  --qnone:#f0ece4;
  --radius:12px;
  --maxw:1100px;
  --shadow:0 1px 3px rgba(0,0,0,.05),0 1px 2px rgba(0,0,0,.03);
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:"Sarabun",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  background:var(--bg);
  color:var(--ink);
  line-height:1.65;
  font-size:16px;
  -webkit-font-smoothing:antialiased;
}
a{color:var(--accent);text-decoration:none}
a:hover{text-decoration:underline}
.container{max-width:var(--maxw);margin:0 auto;padding:0 20px}

/* === Header === */
.site-header{
  position:sticky;top:0;z-index:100;
  background:rgba(247,245,240,.94);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:58px;max-width:var(--maxw);margin:0 auto;padding:0 20px}
.logo{font-weight:700;font-size:14px;color:var(--navy);letter-spacing:-.2px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:calc(100vw - 120px)}
.top-nav{display:flex;gap:18px;align-items:center}
.top-nav a{color:var(--ink-soft);font-size:14px;font-weight:500;white-space:nowrap}
.top-nav a:hover{color:var(--ink);text-decoration:none}
.search-wrap{position:relative;min-width:200px}
.search-wrap input{
  width:100%;padding:7px 12px 7px 32px;border:1px solid var(--line);border-radius:8px;
  font-size:13px;background:var(--surface);outline:none;color:var(--ink);
}
.search-wrap input:focus{border-color:var(--navy);box-shadow:0 0 0 3px rgba(19,43,82,.08)}
.search-wrap svg{position:absolute;left:9px;top:50%;transform:translateY(-50%);width:14px;height:14px;color:var(--ink-soft)}
.skip-link{position:absolute;left:-9999px}
.skip-link:focus{position:fixed;top:0;left:0;background:var(--navy);color:#fff;padding:10px 20px;z-index:200;border-radius:0 0 8px 0}

/* === Hero === */
.hero{padding:48px 20px 32px;text-align:center}
.hero h1{font-size:clamp(22px,4vw,34px);line-height:1.25;max-width:800px;margin:0 auto 22px;font-weight:800;letter-spacing:-.5px;color:var(--navy)}
.hero-search{display:flex;max-width:580px;margin:0 auto;gap:8px}
.hero-search input{
  flex:1;padding:13px 18px;border:1px solid var(--line);border-radius:999px;
  font-size:15px;background:var(--surface);outline:none;color:var(--ink);
}
.hero-search input:focus{border-color:var(--navy);box-shadow:0 0 0 3px rgba(19,43,82,.08)}
.hero-search button{
  padding:13px 26px;background:var(--navy);color:#fff;border:none;border-radius:999px;
  font-size:14px;font-weight:600;cursor:pointer;white-space:nowrap;
}
.hero-search button:hover{background:#0d1f3a}
.hero-sub{color:var(--ink-soft);font-size:14px;margin:16px 0 0}

/* === Section === */
section{padding:42px 0}
.section-title{font-size:22px;font-weight:700;margin:0 0 24px;letter-spacing:-.3px;color:var(--navy)}
.eyebrow{font-size:12px;font-weight:600;letter-spacing:.5px;text-transform:uppercase;color:var(--ink-soft)}

/* === Map === */
.map-section{padding:20px 0 32px}
.map-wrap{display:flex;flex-direction:column;align-items:center;gap:16px}
.map-svg{max-width:420px;width:100%;height:auto}
.map-svg path{stroke:#fff;stroke-width:.5;cursor:pointer;transition:opacity .15s}
.map-svg path:hover{opacity:.7}
.map-svg .map-none{fill:url(#no-records-pattern);stroke:var(--line)}
.map-svg .map-q1{fill:var(--q1)}
.map-svg .map-q2{fill:var(--q2)}
.map-svg .map-q3{fill:var(--q3)}
.map-svg .map-q4{fill:var(--q4)}
.map-legend{display:flex;gap:14px;flex-wrap:wrap;justify-content:center;font-size:13px;color:var(--ink-soft)}
.map-legend .swatch{display:inline-flex;align-items:center;gap:5px}
.map-legend .swatch span{width:14px;height:14px;border-radius:3px;border:1px solid var(--line)}
.map-controls{display:flex;gap:10px;flex-wrap:wrap;justify-content:center}
.map-controls select{padding:8px 14px;border:1px solid var(--line);border-radius:8px;background:var(--surface);font-size:14px;cursor:pointer;outline:none}
.map-controls button{
  padding:8px 18px;background:var(--navy);color:#fff;border:none;border-radius:8px;
  font-size:14px;font-weight:600;cursor:pointer;
}
.map-controls button:hover{background:#0d1f3a}
.random-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  padding:24px 28px;max-width:560px;width:100%;box-shadow:var(--shadow);text-align:left;
}
.random-card .rc-label{font-size:12px;font-weight:600;letter-spacing:.5px;text-transform:uppercase;color:var(--ink-soft);margin-bottom:8px}
.random-card .rc-name{font-size:20px;font-weight:700;color:var(--navy);margin-bottom:6px}
.random-card .rc-meta{font-size:14px;color:var(--ink-soft)}
.random-card .rc-score{font-size:18px;font-weight:700;color:var(--accent);margin:8px 0}
.random-card .rc-link{font-size:14px}

/* === Stats grid === */
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.stat-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  padding:24px 20px;box-shadow:var(--shadow);text-align:center;
}
.stat-card .stat-num{font-size:13px;font-weight:600;color:var(--ink-soft);margin-bottom:10px;letter-spacing:.3px}
.stat-card .stat-value{font-size:32px;font-weight:800;letter-spacing:-1px;color:var(--navy)}
.stat-card .stat-note{font-size:12px;color:var(--ink-soft);margin-top:6px}

/* === Two col === */
.two-col{display:grid;grid-template-columns:1fr 1fr;gap:32px}
.rank-list{list-style:none}
.rank-list li{display:flex;align-items:baseline;gap:10px;padding:10px 0;border-bottom:1px solid var(--line);font-size:15px}
.rank-list li .rk{font-weight:700;color:var(--ink-soft);min-width:24px;font-variant-numeric:tabular-nums;font-size:13px}
.rank-list li .nm{flex:1}
.rank-list li .ct{color:var(--accent);font-weight:600;font-variant-numeric:tabular-nums}

/* === Categories === */
.cat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.cat-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  padding:24px 20px;box-shadow:var(--shadow);text-align:center;
}
.cat-card .cat-num{font-size:32px;font-weight:800;letter-spacing:-1px;color:var(--navy)}
.cat-card .cat-desc{font-size:13px;color:var(--ink-soft);margin:6px 0 14px;line-height:1.5}
.cat-card .cat-btn{
  background:transparent;border:1px solid var(--navy);color:var(--navy);
  padding:8px 18px;border-radius:999px;font-size:13px;font-weight:600;cursor:pointer;
}
.cat-card .cat-btn:hover{background:var(--navy);color:#fff}

/* === Table === */
.table-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:var(--radius);background:var(--surface)}
.records-table{width:100%;border-collapse:collapse;font-size:14px}
.records-table th{text-align:left;padding:12px 14px;background:#f5f3ee;border-bottom:1px solid var(--line);font-weight:600;font-size:13px;color:var(--ink-soft);white-space:nowrap}
.records-table td{padding:11px 14px;border-bottom:1px solid var(--line);vertical-align:top}
.records-table tbody tr:hover{background:#faf9f5}
.records-table .score{font-weight:700;color:var(--accent);font-variant-numeric:tabular-nums}
.records-table .idx{color:var(--ink-soft);font-variant-numeric:tabular-nums}

/* === Filter bar === */
.filter-bar{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:18px}
.filter-select{padding:8px 12px;border:1px solid var(--line);border-radius:8px;background:var(--surface);font-size:14px;cursor:pointer;outline:none}
.filter-select:focus{border-color:var(--navy)}
.filter-btn{padding:8px 14px;background:transparent;border:1px solid var(--line);border-radius:8px;font-size:13px;cursor:pointer;color:var(--ink-soft)}
.filter-btn:hover{color:var(--ink);border-color:var(--ink)}

/* === Pagination === */
.pagination{display:flex;justify-content:center;gap:6px;margin-top:20px;flex-wrap:wrap}
.pagination button{min-width:36px;height:36px;border:1px solid var(--line);background:var(--surface);border-radius:8px;cursor:pointer;font-size:14px;color:var(--ink);padding:0 10px}
.pagination button.active{background:var(--navy);color:#fff;border-color:var(--navy)}
.pagination button:disabled{opacity:.4;cursor:default}
.pagination button:hover:not(:disabled):not(.active){border-color:var(--navy)}

/* === Notice === */
.notice-box{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:24px;margin:20px 0}
.notice-box p{font-size:14px;color:var(--ink-soft);margin-bottom:8px}
.notice-box .notice-sub{font-size:13px;opacity:.85}

/* === Footer === */
.site-footer{padding:28px 0;border-top:1px solid var(--line);text-align:center}
.site-footer p{font-size:13px;color:var(--ink-soft)}

/* === Detail pages === */
.detail-header{padding:32px 0 16px}
.detail-header h1{font-size:26px;font-weight:800;color:var(--navy);margin-bottom:8px}
.detail-header .breadcrumb{font-size:13px;color:var(--ink-soft)}
.detail-header .breadcrumb a{color:var(--ink-soft)}
.detail-header .breadcrumb a:hover{color:var(--navy)}
.detail-grid{display:grid;grid-template-columns:1.12fr .88fr;gap:28px;align-items:start;padding-bottom:40px}
.data-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:28px}
.data-card h2{font-size:20px;font-weight:700;color:var(--navy);margin:12px 0 20px}
.dl-row{display:grid;grid-template-columns:12rem 1fr;gap:16px;padding:14px 0;border-bottom:1px solid var(--line)}
.dl-row:last-child{border-bottom:none}
.dl-row dt{font-size:14px;font-weight:500;color:var(--ink-soft)}
.dl-row dd{font-size:15px;font-weight:500;color:var(--ink)}
.score-big{font-size:28px;font-weight:800;color:var(--accent)}

.source-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:24px;margin-top:20px}
.source-card h3{font-size:16px;font-weight:700;color:var(--navy);margin-bottom:12px}
.source-link{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--accent)}

.related-list{display:flex;flex-direction:column;gap:12px;margin-top:12px}
.related-item{display:flex;justify-content:space-between;align-items:baseline;padding:10px 14px;border:1px solid var(--line);border-radius:8px;cursor:pointer;background:var(--surface)}
.related-item:hover{border-color:var(--navy);background:#faf9f5}
.related-item .ri-name{font-weight:600}
.related-item .ri-score{color:var(--accent);font-weight:700;font-variant-numeric:tabular-nums}

/* === Insights === */
.insights-section{padding:28px 0}
.insights-section h2{font-size:20px;font-weight:700;color:var(--navy);margin:28px 0 16px}
.bar-chart{display:flex;flex-direction:column;gap:8px;margin:16px 0}
.bar-row{display:grid;grid-template-columns:80px 1fr 60px;gap:10px;align-items:center;font-size:14px}
.bar-row .bar-label{color:var(--ink-soft);font-variant-numeric:tabular-nums}
.bar-row .bar-track{height:22px;background:#f0ede5;border-radius:4px;overflow:hidden}
.bar-row .bar-fill{height:100%;background:var(--navy);border-radius:4px;transition:width .4s}
.bar-row .bar-val{font-weight:600;font-variant-numeric:tabular-nums;text-align:right}

.data-table{width:100%;border-collapse:collapse;font-size:14px;margin:16px 0}
.data-table th{text-align:left;padding:10px 12px;background:#f5f3ee;border-bottom:2px solid var(--line);font-weight:600;color:var(--ink-soft);font-size:13px}
.data-table td{padding:10px 12px;border-bottom:1px solid var(--line)}
.data-table tr:hover{background:#faf9f5}
.data-table .num{font-variant-numeric:tabular-nums;text-align:right}

/* === About === */
.about-section{padding:28px 0;line-height:1.8}
.about-section h2{font-size:20px;font-weight:700;color:var(--navy);margin:28px 0 12px}
.about-section p{font-size:15px;color:var(--ink);margin-bottom:12px}
.about-section ul{padding-left:20px;margin:12px 0}
.about-section li{font-size:15px;margin-bottom:6px}

/* === Modal === */
.modal{position:fixed;inset:0;z-index:200;display:none;align-items:center;justify-content:center;padding:20px}
.modal.open{display:flex}
.modal-backdrop{position:absolute;inset:0;background:rgba(0,0,0,.45)}
.modal-panel{position:relative;background:var(--surface);border-radius:14px;width:min(700px,100%);max-height:80vh;display:flex;flex-direction:column;box-shadow:0 20px 60px rgba(0,0,0,.2)}
.modal-head{display:flex;align-items:center;justify-content:space-between;padding:18px 22px;border-bottom:1px solid var(--line)}
.modal-head h3{margin:0;font-size:18px;font-weight:700;color:var(--navy)}
.modal-close{background:none;border:none;font-size:28px;cursor:pointer;color:var(--ink-soft);line-height:1;padding:0}
.modal-close:hover{color:var(--ink)}
.modal-search{padding:12px 22px;border-bottom:1px solid var(--line)}
.modal-search input{width:100%;padding:9px 12px;border:1px solid var(--line);border-radius:8px;font-size:14px;outline:none}
.modal-search input:focus{border-color:var(--navy)}
.modal-body{overflow-y:auto;padding:8px 22px 22px}
.modal-body .cat-item{padding:10px 4px;border-bottom:1px solid var(--line);font-size:14px;cursor:pointer;display:flex;justify-content:space-between;gap:10px}
.modal-body .cat-item:hover{background:#faf9f5}
.modal-body .cat-item .ci-name{flex:1}
.modal-body .cat-item .ci-count{color:var(--accent);font-weight:600;font-variant-numeric:tabular-nums}

.empty{padding:40px;text-align:center;color:var(--ink-soft);font-size:15px}

/* === Responsive === */

/* Tablet (768px - 1024px) */
@media (max-width:1024px) and (min-width:761px){
  .stats-grid{grid-template-columns:repeat(2,1fr)}
  .cat-grid{grid-template-columns:repeat(2,1fr)}
  .detail-grid{grid-template-columns:1fr;gap:20px}
  .map-svg{max-width:380px}
  .container{max-width:720px}
  .header-inner{max-width:720px}
}

/* Tablet and below */
@media (max-width:760px){
  .stats-grid{grid-template-columns:repeat(2,1fr)}
  .cat-grid{grid-template-columns:repeat(2,1fr)}
  .two-col{grid-template-columns:1fr;gap:24px}
  .detail-grid{grid-template-columns:1fr;gap:20px}
  .dl-row{grid-template-columns:1fr;gap:4px}
  .dl-row dt{font-size:13px}
  .bar-row{grid-template-columns:70px 1fr 50px;font-size:13px}
  .map-svg{max-width:340px}
  .search-wrap{display:none}

  /* Mobile nav: show hamburger, slide-down menu */
  .top-nav{
    display:none;
    position:fixed;top:58px;left:0;right:0;
    background:var(--surface);border-bottom:1px solid var(--line);
    box-shadow:0 4px 12px rgba(0,0,0,.08);
    flex-direction:column;padding:12px 20px;gap:4px;z-index:99;
  }
  .top-nav.open{display:flex}
  .top-nav a{padding:10px 0;font-size:15px;border-bottom:1px solid var(--line)}
  .top-nav a:last-child{border-bottom:none}
  .menu-toggle{display:flex}

  /* Hero search stack */
  .hero-search{flex-direction:column;gap:8px}
  .hero-search input{border-radius:12px}
  .hero-search button{border-radius:12px;padding:13px}

  /* Section spacing */
  section{padding:28px 0}
  .hero{padding:32px 20px 24px}

  /* Map controls stack */
  .map-controls{flex-direction:column;align-items:stretch;max-width:320px;margin:0 auto}
  .map-controls select,.map-controls button{width:100%;text-align:center}

  /* Table → card view on mobile */
  .records-table,.data-table{display:block}
  .records-table thead,.data-table thead{display:none}
  .records-table tbody,.data-table tbody{display:block}
  .records-table tr,.data-table tr{
    display:flex;flex-wrap:wrap;gap:4px 12px;
    padding:12px 14px;border-bottom:1px solid var(--line);
  }
  .records-table td,.data-table td{
    border-bottom:none;padding:2px 0;font-size:13px;
  }
  .records-table td.idx{display:none}
  .records-table td:nth-child(2){width:100%;font-size:15px}
  .records-table td:nth-child(2) strong{font-size:15px}
  .records-table td.score{font-size:16px}
  .data-table td{padding:4px 0}
  .data-table .num{text-align:left}

  /* PDF embed shorter on mobile */
  .source-card object{height:380px !important}

  /* Filter bar stack */
  .filter-bar{flex-direction:column}
  .filter-select{width:100%}

  /* Pagination smaller */
  .pagination button{min-width:32px;height:32px;font-size:13px;padding:0 8px}

  /* Random card full width */
  .random-card{padding:18px 20px}

  /* Detail header smaller */
  .detail-header h1{font-size:22px}
  .section-title{font-size:18px}
  .stat-card .stat-value{font-size:26px}
  .cat-card .cat-num{font-size:26px}
}

/* Small phones */
@media (max-width:420px){
  .container{padding:0 14px}
  .header-inner{padding:0 14px}
  .stats-grid{grid-template-columns:1fr 1fr;gap:10px}
  .cat-grid{grid-template-columns:1fr 1fr;gap:10px}
  .stat-card{padding:16px 12px}
  .cat-card{padding:18px 12px}
  .stat-card .stat-value{font-size:22px}
  .cat-card .cat-num{font-size:22px}
  .hero h1{font-size:20px}
  .map-svg{max-width:280px}
  .data-card{padding:18px 16px}
  .source-card{padding:16px}
  .bar-row{grid-template-columns:56px 1fr 40px;font-size:12px}
  .map-legend{font-size:11px;gap:8px}
  .map-legend .swatch span{width:12px;height:12px}
}

/* Desktop: show nav, hide hamburger */
.menu-toggle{display:none;background:none;border:none;cursor:pointer;padding:6px;flex-direction:column;gap:4px}
.menu-toggle span{display:block;width:22px;height:2px;background:var(--navy);border-radius:2px;transition:.2s}
.menu-toggle.open span:nth-child(1){transform:translateY(6px) rotate(45deg)}
.menu-toggle.open span:nth-child(2){opacity:0}
.menu-toggle.open span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}

/* PDF embed */
.pdf-embed-wrap{margin-top:16px}
.pdf-fallback{text-align:center;padding:30px 20px}
.pdf-fallback .cat-btn{margin-top:8px}

/* On mobile, hide the object and show only fallback button */
@media (max-width:760px){
  .pdf-embed-wrap object{display:none}
  .pdf-embed-wrap::before{
    content:"เบราว์เซอร์มือถือส่วนใหญ่ไม่แสดง PDF ในหน้าได้ — เปิดในแท็บใหม่";
    display:block;text-align:center;padding:20px;
    border:1px solid var(--line);border-radius:8px;
    color:var(--ink-soft);font-size:14px;
    background:var(--surface);
  }
  .pdf-embed-wrap .pdf-fallback{display:block !important}
}