/* THH Info — เว็บหวยออนไลน์ FAQ hub */
:root{
  --primary:#475569;
  --secondary:#334155;
  --accent:#65a30d;
  --accent-dark:#4d7c0f;
  --bg:#ffffff;
  --surface:#f8fafc;
  --surface-alt:#f1f5f9;
  --text:#1e293b;
  --muted:#64748b;
  --border:#cbd5e1;
  --row-alt:#f8fafc;
  --radius:4px;
  --shadow-sm:0 1px 2px rgba(30,41,59,.06);
  --shadow-md:0 4px 12px rgba(30,41,59,.08);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:"Sarabun","IBM Plex Sans Thai","Noto Sans Thai",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  color:var(--text);
  background:var(--bg);
  font-size:17px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
a{color:var(--accent-dark);text-decoration:underline;text-underline-offset:2px}
a:hover{color:var(--secondary)}
img,svg{max-width:100%;height:auto;display:block}

/* Header */
.site-header{
  position:sticky;top:0;z-index:50;
  background:linear-gradient(180deg,var(--primary) 0%,var(--secondary) 100%);
  color:#fff;
  box-shadow:var(--shadow-md);
}
.site-header .wrap{
  max-width:1120px;margin:0 auto;padding:14px 20px;
  display:flex;flex-wrap:wrap;align-items:center;gap:14px;
}
.brand{display:flex;align-items:center;gap:10px;color:#fff;text-decoration:none;font-weight:700}
.brand img{width:36px;height:36px;background:#fff;border-radius:var(--radius);padding:3px}
.brand span{font-size:1.05rem;letter-spacing:.2px}
.nav{margin-left:auto;display:flex;flex-wrap:wrap;gap:6px}
.nav a{
  color:#e2e8f0;text-decoration:none;padding:8px 12px;border-radius:var(--radius);
  font-size:.96rem;font-weight:500;transition:background .15s,color .15s;
}
.nav a:hover,.nav a[aria-current="page"]{background:rgba(255,255,255,.14);color:#fff}

/* Hero */
.hero{
  background:linear-gradient(135deg,#475569 0%,#334155 55%,#1e293b 100%);
  color:#f8fafc;
  padding:56px 20px 48px;
  border-bottom:4px solid var(--accent);
  position:relative;overflow:hidden;
}
.hero::before{
  content:"";position:absolute;top:-40px;right:-40px;width:260px;height:260px;
  background:radial-gradient(circle at center,rgba(101,163,13,.18),transparent 60%);
  pointer-events:none;
}
.hero .wrap{max-width:1120px;margin:0 auto;position:relative}
.hero h1{
  font-size:clamp(1.75rem,3.6vw,2.55rem);
  line-height:1.35;margin:0 0 14px;font-weight:700;color:#fff;
}
.hero .lede{font-size:1.06rem;color:#e2e8f0;max-width:820px;margin:0 0 12px;line-height:1.75}
.byline{
  font-size:.92rem;color:#cbd5e1;margin:14px 0 0;
  padding:10px 14px;background:rgba(15,23,42,.35);
  border-left:3px solid var(--accent);border-radius:var(--radius);display:inline-block;
}
.byline strong{color:#fff}

/* Main */
main{max-width:1120px;margin:0 auto;padding:36px 20px 60px}
article > section{margin:0 0 44px}
h2{
  font-size:clamp(1.35rem,2.3vw,1.65rem);
  color:var(--secondary);
  padding:12px 16px;margin:38px 0 18px;
  border-left:5px solid var(--accent);
  background:var(--surface-alt);border-radius:var(--radius);
  line-height:1.4;font-weight:700;
}
h3{color:var(--secondary);font-size:1.15rem;margin:22px 0 10px;line-height:1.5}
p{margin:0 0 14px}

/* TOC */
.toc{
  background:var(--surface);
  border:1px solid var(--border);
  border-radius:var(--radius);
  padding:20px 24px;margin:24px 0 32px;
}
.toc h2{
  background:none;border-left:none;padding:0;margin:0 0 12px;
  font-size:1.05rem;color:var(--primary);text-transform:uppercase;letter-spacing:.6px;
}
.toc ol{margin:0;padding-left:22px;column-count:1;color:var(--muted)}
.toc li{margin:4px 0;line-height:1.6}
.toc a{color:var(--secondary);text-decoration:none}
.toc a:hover{color:var(--accent-dark);text-decoration:underline}
@media (min-width:700px){.toc ol{column-count:2;column-gap:28px}}

/* Lists */
ul{list-style:none;padding-left:0;margin:0 0 16px}
ul li{position:relative;padding-left:26px;margin:8px 0;line-height:1.7}
ul li::before{
  content:"›";position:absolute;left:6px;top:0;
  color:var(--accent);font-weight:800;font-size:1.1rem;
}
ol{counter-reset:n;list-style:none;padding-left:0;margin:0 0 16px}
ol li{
  position:relative;padding-left:44px;margin:10px 0;counter-increment:n;line-height:1.7;
}
ol li::before{
  content:counter(n);position:absolute;left:0;top:2px;
  width:30px;height:30px;background:var(--accent);color:#fff;border-radius:50%;
  display:flex;align-items:center;justify-content:center;font-weight:700;font-size:.9rem;
}

/* Tables */
.table-wrap{overflow-x:auto;margin:16px 0 22px;border-radius:var(--radius);box-shadow:var(--shadow-sm)}
table{width:100%;border-collapse:collapse;background:#fff;font-size:.96rem}
thead{background:linear-gradient(180deg,var(--primary),var(--secondary));color:#fff}
th{padding:12px 14px;text-align:left;font-weight:600;letter-spacing:.2px}
td{padding:11px 14px;border-bottom:1px solid var(--border);vertical-align:top}
tbody tr:nth-child(even){background:var(--row-alt)}
tbody tr:hover{background:#eef2f6}

/* FAQ accordion */
details{
  background:var(--surface);
  border:1px solid var(--border);
  border-radius:var(--radius);
  margin:10px 0;padding:0;
  transition:box-shadow .18s;
}
details[open]{box-shadow:var(--shadow-sm);background:#fff}
summary{
  padding:14px 44px 14px 18px;font-weight:600;color:var(--secondary);
  cursor:pointer;position:relative;list-style:none;line-height:1.55;
}
summary::-webkit-details-marker{display:none}
summary::after{
  content:"▼";position:absolute;right:16px;top:50%;transform:translateY(-50%);
  color:var(--accent);font-size:.85rem;transition:transform .2s;
}
details[open] summary::after{transform:translateY(-50%) rotate(180deg)}
details > p, details > div{padding:0 18px 16px;color:var(--text);margin:0}
details > p{margin-top:-4px}

/* Callouts */
.callout{
  background:var(--surface-alt);
  border-left:4px solid var(--accent);
  padding:16px 20px;margin:18px 0;border-radius:var(--radius);
}
.callout strong{color:var(--secondary)}
.warn{
  background:#fef2f2;border-left-color:#dc2626;
}
.info{
  background:#eff6ff;border-left-color:#2563eb;
}

/* Author box */
.author-box{
  background:linear-gradient(135deg,var(--surface) 0%,var(--surface-alt) 100%);
  border:1px solid var(--border);
  border-radius:var(--radius);
  padding:22px;margin:40px 0 20px;
  display:flex;gap:18px;align-items:flex-start;
}
.author-box img{width:76px;height:76px;border-radius:50%;flex-shrink:0;border:3px solid var(--accent)}
.author-box .who{margin:0 0 6px;font-weight:700;color:var(--secondary);font-size:1.08rem}
.author-box .role{color:var(--muted);font-size:.92rem;margin:0 0 8px}
.author-box p{margin:0;font-size:.95rem;line-height:1.7}

/* Figures */
figure{margin:20px 0;text-align:center}
figure svg{margin:0 auto;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:14px}
figcaption{color:var(--muted);font-size:.9rem;margin-top:8px}

/* CTA row */
.cta-row{
  display:grid;gap:14px;
  grid-template-columns:1fr;
  margin:22px 0;
}
@media (min-width:700px){.cta-row{grid-template-columns:1fr 1fr 1fr}}
.cta-card{
  background:var(--surface);border:1px solid var(--border);
  border-radius:var(--radius);padding:18px;
  border-top:4px solid var(--accent);
}
.cta-card h3{margin-top:0}
.cta-card a{display:inline-block;margin-top:8px;font-weight:600}

/* Footer */
.site-footer{
  background:var(--secondary);color:#e2e8f0;padding:36px 20px 30px;margin-top:40px;
  border-top:4px solid var(--accent);
}
.site-footer .wrap{max-width:1120px;margin:0 auto;display:grid;gap:20px;grid-template-columns:1fr}
@media (min-width:700px){.site-footer .wrap{grid-template-columns:2fr 1fr 1fr}}
.site-footer h3{color:#fff;margin:0 0 10px;font-size:1rem;letter-spacing:.4px}
.site-footer a{color:#cbd5e1;text-decoration:none;display:block;padding:3px 0}
.site-footer a:hover{color:#fff;text-decoration:underline}
.site-footer .fine{
  border-top:1px solid rgba(255,255,255,.15);margin-top:22px;padding-top:16px;
  color:#94a3b8;font-size:.86rem;text-align:center;
}

/* Utility */
.skip{position:absolute;left:-9999px;top:-9999px}
.skip:focus{position:static;background:#fff;color:var(--secondary);padding:8px 14px}

@media (max-width:700px){
  body{font-size:17px}
  .hero{padding:40px 18px 34px}
  .site-header .wrap{padding:12px 16px}
  .nav a{padding:6px 9px;font-size:.9rem}
  main{padding:26px 16px 40px}
  h2{margin:28px 0 14px;padding:10px 14px}
  .author-box{flex-direction:column;align-items:center;text-align:center}
}

/* a11y additions */
.skip-link{position:absolute;left:-9999px;top:0;background:var(--primary);color:#fff;padding:10px 16px;border-radius:4px;z-index:1000;text-decoration:none;font-weight:700}
.skip-link:focus{left:12px;top:12px}
@media (prefers-reduced-motion: reduce){*,*::before,*::after{transition-duration:.01ms !important;animation-duration:.01ms !important}}