/* ตรวจหวยไทย — ภาษาภาพจาก "ใบสลากกินแบ่งรัฐบาล"
   กระดาษเขียวจาง / หมึกน้ำเงินคราม / แดงเลขชุด / ทองรางวัลที่ 1 */
:root{
  --paper:#F2F7F5;      /* กระดาษสลาก */
  --paper-2:#E7F0EC;
  --ink:#123E4E;        /* หมึกคราม */
  --red:#C8102E;        /* แดงเลขชุด */
  --green:#1F7A5C;      /* เขียวธนบัตร */
  --gold:#B98A2F;       /* ทองรางวัลที่ 1 */
  --line:#C9DAD4;
  --white:#FFFFFF;
  --radius:10px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important;animation:none!important}}
body{
  font-family:'Sarabun',system-ui,sans-serif;color:var(--ink);
  background:var(--paper);
  background-image:repeating-linear-gradient(45deg,transparent 0 14px,rgba(18,62,78,.025) 14px 15px),
                   repeating-linear-gradient(-45deg,transparent 0 14px,rgba(18,62,78,.025) 14px 15px);
  font-size:17px;line-height:1.75;
}
.wrap{max-width:960px;margin:0 auto;padding:0 16px}
a{color:var(--green);text-decoration:none}
a:hover{text-decoration:underline}
a:focus-visible,button:focus-visible,input:focus-visible{outline:3px solid var(--gold);outline-offset:2px}

/* ---------- masthead ---------- */
.mast{background:var(--ink);color:var(--paper);border-bottom:4px solid var(--gold)}
.mast-in{display:flex;justify-content:space-between;align-items:center;gap:12px;padding:14px 16px;flex-wrap:wrap}
.brand{font-family:'Chonburi',serif;font-size:1.5rem;color:var(--white);letter-spacing:.5px}
.brand:hover{text-decoration:none}
.brand-mark{color:var(--gold);margin-right:6px}
.draw-badge{font-size:.85rem;background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.25);
  padding:4px 12px;border-radius:99px}
.nav{display:flex;gap:2px;overflow-x:auto;padding:0 8px;-webkit-overflow-scrolling:touch}
.nav a{color:var(--paper);padding:9px 13px;font-size:.92rem;white-space:nowrap;font-weight:500;
  border-bottom:3px solid transparent}
.nav a:hover,.nav a[aria-current]{border-bottom-color:var(--red);text-decoration:none}

/* ---------- hero / H1 ---------- */
.hero{padding:34px 0 8px;text-align:center}
h1{font-family:'Chonburi',serif;font-size:clamp(1.6rem,4.5vw,2.5rem);line-height:1.35;font-weight:400}
.hero .sub{margin-top:8px;color:#3D6270;font-size:1rem}
.hero .sub strong{color:var(--red)}

/* ---------- checker ---------- */
.checker{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);
  padding:22px;margin:22px auto;max-width:560px;box-shadow:0 2px 10px rgba(18,62,78,.07)}
.checker label{font-weight:700;display:block;margin-bottom:8px}
.checker-row{display:flex;gap:10px}
.checker input{flex:1;font-family:'Kanit',sans-serif;font-size:1.5rem;letter-spacing:.4em;text-align:center;
  padding:10px;border:2px solid var(--line);border-radius:8px;min-width:0}
.checker button{font-family:'Sarabun';font-weight:700;font-size:1.05rem;background:var(--red);color:#fff;
  border:0;border-radius:8px;padding:10px 26px;cursor:pointer}
.checker button:hover{background:#A50D26}
.check-result{margin-top:14px;font-weight:700;min-height:1.5em}
.check-result.win{color:var(--green)}
.check-result.lose{color:#3D6270}
.check-result.wait{color:var(--gold)}

/* ---------- ticket stub: รางวัลที่ 1 (signature) ---------- */
.stub{position:relative;max-width:640px;margin:30px auto;background:var(--white);
  border:1.5px solid var(--ink);border-radius:6px;overflow:hidden}
.stub::before{content:"";position:absolute;inset:6px;border:1px dashed var(--line);border-radius:4px;pointer-events:none}
.stub-head{display:flex;justify-content:space-between;align-items:baseline;
  padding:14px 22px 8px;font-size:.85rem;color:#3D6270}
.stub-head .t{font-weight:700;color:var(--gold);letter-spacing:.12em;text-transform:uppercase}
.stub-num{font-family:'Kanit',sans-serif;font-weight:600;font-size:clamp(2.2rem,9vw,4rem);
  letter-spacing:.18em;text-align:center;color:var(--red);padding:4px 10px 8px;font-variant-numeric:tabular-nums}
.stub-foot{border-top:1px dashed var(--line);display:flex;justify-content:space-between;
  padding:9px 22px;font-size:.83rem;color:#3D6270;background:var(--paper-2)}
.stub .punch{position:absolute;top:50%;width:22px;height:22px;border-radius:50%;
  background:var(--paper);border:1.5px solid var(--ink);transform:translateY(-50%)}
.punch.l{left:-12px}.punch.r{right:-12px}

/* ---------- prize grid ---------- */
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:12px;margin:20px 0}
.cell{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);
  padding:14px;text-align:center}
.cell h3{font-size:.88rem;font-weight:700;color:#3D6270;margin-bottom:6px}
.cell .n{font-family:'Kanit',sans-serif;font-weight:600;font-size:1.35rem;color:var(--ink);
  letter-spacing:.08em;font-variant-numeric:tabular-nums}
.cell .amt{display:block;font-size:.78rem;color:var(--green);margin-top:4px}

/* ---------- tables ---------- */
.tablewrap{overflow-x:auto;margin:18px 0}
table{width:100%;border-collapse:collapse;background:var(--white);border:1px solid var(--line);font-size:.95rem}
th{background:var(--ink);color:var(--paper);padding:10px 12px;text-align:left;font-weight:700}
td{padding:10px 12px;border-top:1px solid var(--line);vertical-align:top}
tbody tr:nth-child(even){background:var(--paper-2)}
td.num{font-family:'Kanit',sans-serif;letter-spacing:.06em;font-variant-numeric:tabular-nums}

/* ---------- content ---------- */
main section{margin:38px 0}
h2{font-family:'Chonburi',serif;font-weight:400;font-size:clamp(1.25rem,3vw,1.6rem);
  margin-bottom:12px;padding-left:14px;border-left:5px solid var(--red);line-height:1.4}
h3{margin:16px 0 6px}
p{margin:10px 0}
ul,ol{margin:10px 0 10px 24px}
li{margin:5px 0}
.note{background:var(--paper-2);border-left:4px solid var(--gold);padding:12px 16px;border-radius:0 8px 8px 0;font-size:.95rem}
.next-draw{display:flex;gap:14px;align-items:center;justify-content:center;background:var(--white);
  border:1px solid var(--line);border-radius:var(--radius);padding:14px;margin:18px 0;flex-wrap:wrap}
.next-draw strong{color:var(--red)}
#countdown{font-family:'Kanit',sans-serif;font-weight:600;color:var(--green)}

/* ---------- FAQ ---------- */
details{background:var(--white);border:1px solid var(--line);border-radius:8px;margin:8px 0;padding:0 16px}
summary{font-weight:700;padding:12px 0;cursor:pointer}
details p{padding-bottom:12px}

/* ---------- footer ---------- */
.foot{background:var(--ink);color:#BDD3D0;margin-top:50px;padding:30px 0 10px;font-size:.9rem}
.foot-grid{display:grid;grid-template-columns:1fr;gap:20px}
@media(min-width:720px){.foot-grid{grid-template-columns:1.4fr 1fr}}
.foot-brand{font-family:'Chonburi',serif;color:var(--white);font-size:1.15rem;margin-bottom:6px}
.foot nav{display:flex;flex-direction:column;gap:6px}
.foot a{color:#BDD3D0}
.foot-legal{border-top:1px solid rgba(255,255,255,.15);margin-top:22px;padding-top:14px;font-size:.8rem;opacity:.8}