/* ════════════════════════════════════════════════════════
   KRU-TI ครูติ TH v2 — "กระดานดำ & ดาวทอง"
   มงกุฎหมึกเข้ม (nav+บทความเด่น) → กระดาษอุ่น → ชั้นแอปน้ำเงิน
   Display: Pridi | Body: Sarabun | ✦ ใช้เฉพาะ: โลโก้ / ตรา / หัวข้อ
════════════════════════════════════════════════════════ */
:root{
  color-scheme: light only;
  --ink:#101c33; --ink-2:#18294a; --ink-3:#234070;
  --ink-soft:#3d4c68;
  --gold:#f3ac2e; --gold-bright:#ffc555; --gold-deep:#c47f0e; --gold-soft:rgba(243,172,46,.13);
  --chalk:#f5efdf;
  --mint:#0fa294; --mint-soft:#e4f4f1;
  --paper:#faf7f1; --card:#ffffff;
  --line:#e8e1d3; --line-soft:#f1ecdf;
  --slate:#6d7588;
  --shadow-sm:0 2px 10px rgba(16,28,51,.07);
  --shadow-md:0 10px 30px rgba(16,28,51,.12);
  --shadow-lg:0 22px 56px rgba(16,28,51,.18);
}
/* บังคับ light mode — กัน iOS Safari auto-darken เมื่อผู้ใช้เปิด Dark Mode */
html{color-scheme: light only !important;}
@media (prefers-color-scheme: dark){
  html, body{background:#faf7f1 !important;color:#101c33 !important;}
}
*{margin:0;padding:0;box-sizing:border-box;}
html{overflow-x:hidden;background:#101c33;}
body{overflow-x:hidden;background:var(--paper);}
body{font-family:'Sarabun',sans-serif;background:var(--paper);color:var(--ink);
     -webkit-font-smoothing:antialiased;}
/* main#app: display block ปกติ — footer ลอยขึ้นถ้า content สั้นก็ยอม ดีกว่ามีช่องว่างกลางหน้า */
main#app{display:block;}
a{text-decoration:none;color:inherit;}
img{max-width:100%;}
h1,h2,h3,h4{font-family:'Pridi',serif;font-weight:600;line-height:1.35;}
::selection{background:var(--gold-soft);color:var(--ink);}

@keyframes rise{from{opacity:0;transform:translateY(16px)}to{opacity:1;transform:none}}
.rv{animation:rise .5s cubic-bezier(.22,.8,.3,1) both;}
.rv2{animation:rise .5s .08s cubic-bezier(.22,.8,.3,1) both;}
.rv3{animation:rise .5s .16s cubic-bezier(.22,.8,.3,1) both;}

/* ── โซนหัวเว็บ (หมึกเข้มทั้งแผง) ── */
#topzone{background:var(--ink);position:relative;}
#topzone::before{content:"";position:absolute;inset:0;pointer-events:none;opacity:.5;
  background:
    radial-gradient(1.5px 1.5px at 12% 30%, rgba(243,172,46,.8) 50%, transparent 51%),
    radial-gradient(1px 1px at 28% 70%, rgba(255,255,255,.5) 50%, transparent 51%),
    radial-gradient(1.5px 1.5px at 45% 20%, rgba(243,172,46,.6) 50%, transparent 51%),
    radial-gradient(1px 1px at 62% 60%, rgba(255,255,255,.4) 50%, transparent 51%),
    radial-gradient(2px 2px at 78% 35%, rgba(243,172,46,.7) 50%, transparent 51%),
    radial-gradient(1px 1px at 90% 75%, rgba(255,255,255,.5) 50%, transparent 51%);}

/* ticker */
.ticker{color:#aebad0;padding:8px 22px;border-bottom:1px solid rgba(255,255,255,.07);
        display:flex;align-items:center;gap:12px;font-size:.82rem;overflow:hidden;position:relative;z-index:2;}
.ticker-badge{background:var(--gold);color:var(--ink);font-size:.68rem;font-weight:800;
              padding:3px 11px;border-radius:5px;white-space:nowrap;flex-shrink:0;letter-spacing:.05em;}
.ticker-inner{overflow:hidden;flex:1;}
.ticker-text{white-space:nowrap;display:inline-block;will-change:transform;}

/* nav บนพื้นเข้ม */
#nav{height:66px;padding:0 22px;display:flex;align-items:center;justify-content:space-between;
     position:relative;z-index:2;}
.logo{font-family:'Pridi',serif;font-size:1.3rem;font-weight:700;color:#fff;cursor:pointer;
      display:flex;align-items:center;gap:11px;line-height:1;}
.logo::before{content:"✦";width:38px;height:38px;border-radius:11px;
  background:linear-gradient(135deg,var(--gold) 10%,var(--gold-deep));display:flex;align-items:center;justify-content:center;
  color:var(--ink);font-size:1.1rem;box-shadow:0 4px 14px rgba(243,172,46,.35);}
.logo span{color:var(--gold-bright);}
.logo em{font-style:normal;font-family:'Sarabun';font-size:.7rem;font-weight:700;color:#7587a5;
         align-self:flex-start;margin-top:2px;letter-spacing:.1em;}
.nav-links{display:flex;gap:2px;list-style:none;}
.nav-links a{padding:9px 16px;border-radius:9px;font-size:.94rem;font-weight:600;
             color:#aebad0;transition:color .15s,background .15s;}
.nav-links a:hover{color:#fff;background:rgba(255,255,255,.07);}
.nav-links a{position:relative;}
.nav-links a.active{color:var(--gold-bright);background:rgba(243,172,46,.1);}
.nav-links a.active::after{content:"";position:absolute;left:16px;right:16px;bottom:4px;height:2.5px;
  border-radius:2px;background:var(--gold);}
.nav-right{display:flex;align-items:center;gap:8px;}
.search-btn{background:var(--gold);border:none;padding:10px 18px;border-radius:10px;
            font-family:'Sarabun';font-weight:700;font-size:.88rem;color:var(--ink);cursor:pointer;
            display:inline-flex;align-items:center;gap:7px;transition:transform .15s,box-shadow .2s,background .15s;}
.search-btn:hover{transform:translateY(-1px);box-shadow:0 8px 20px rgba(243,172,46,.4);background:var(--gold-bright);}
.search-btn:focus-visible{outline:2px solid #fff;outline-offset:2px;}
.hamburger{display:none;background:none;border:none;font-size:1.45rem;cursor:pointer;color:#fff;}
@media(max-width:640px){
  .hamburger{display:block;}
  .nav-links,.nav-right{display:none;}
  .nav-links.open{display:flex;position:absolute;top:66px;left:0;right:0;background:var(--ink-2);
                  flex-direction:column;padding:8px 12px 16px;border-bottom:1px solid rgba(255,255,255,.1);
                  box-shadow:var(--shadow-md);z-index:99;}
  .nav-links.open li{border-bottom:1px solid rgba(255,255,255,.06);}
  .nav-links.open li:last-child{border-bottom:none;}
  .nav-links.open a{padding:16px 12px;font-size:1.08rem;display:block;border-radius:0;}
}

/* ── มงกุฎ: บทความเด่นบนกระดานดำ (เฉพาะหน้าแรก) ── */
.crown{position:relative;z-index:1;padding:34px 0 52px;color:#fff;}
.crown-grid{display:grid;grid-template-columns:1.5fr 1fr;gap:40px;align-items:center;}
.crown-feat{cursor:pointer;}
.crown-meta{display:flex;gap:12px;align-items:center;margin-bottom:16px;font-size:.84rem;color:#8fa0bf;font-weight:600;}
.crown-cat{background:rgba(243,172,46,.16);color:var(--gold-bright);border:1px solid rgba(243,172,46,.35);
  padding:4px 14px;border-radius:100px;font-size:.76rem;font-weight:700;}
.crown-feat h2{font-size:clamp(1.65rem,3.6vw,2.5rem);font-weight:700;line-height:1.4;
  color:var(--chalk);margin-bottom:16px;transition:color .2s;}
.crown-feat h2 mark{background:none;color:var(--gold-bright);}
.crown-feat:hover h2{color:#fff;}
.crown-feat .cx{font-size:1.02rem;color:#9fb0cd;line-height:1.9;max-width:56ch;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.crown-read{margin-top:22px;display:inline-flex;align-items:center;gap:9px;color:var(--gold-bright);
  font-weight:800;font-size:.95rem;transition:gap .2s;}
.crown-feat:hover .crown-read{gap:15px;}
/* ตราดาว — ที่เดียวบนหน้า */
.crown-feat{position:relative;}
.stamp{position:absolute;top:-14px;right:6px;width:68px;height:68px;border-radius:50%;
  border:2px dashed rgba(243,172,46,.65);transform:rotate(9deg);
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;z-index:3;pointer-events:none;}
.stamp b{color:var(--gold);font-size:1.5rem;line-height:1;}
.stamp small{font-size:.56rem;font-weight:800;color:var(--gold);letter-spacing:.12em;}
/* มินิลิสต์ น่าอ่านต่อ (ในมงกุฎ) */
.crown-side{display:flex;flex-direction:column;gap:10px;}
.crown-side-label{font-size:.78rem;font-weight:800;color:#7587a5;letter-spacing:.16em;margin-bottom:2px;}
.crown-item{display:flex;gap:14px;align-items:flex-start;padding:13px 16px;border-radius:13px;cursor:pointer;
  background:rgba(255,255,255,.045);border:1px solid rgba(255,255,255,.09);transition:background .15s,border-color .15s;}
.crown-item:hover{background:rgba(255,255,255,.09);border-color:rgba(243,172,46,.4);}
.crown-num{font-family:'Pridi',serif;font-size:1.3rem;font-weight:700;color:var(--gold);line-height:1.15;flex-shrink:0;width:22px;}
.crown-item h3{font-family:'Sarabun';font-size:.94rem;font-weight:700;line-height:1.55;color:#dde4f0;}
.crown-item:hover h3{color:#fff;}
.crown-item .ci-cat{font-size:.74rem;color:#8fa0bf;font-weight:600;margin-top:3px;}
/* รอยต่อมงกุฎ → กระดาษ */
.crown-edge{height:30px;background:var(--paper);border-radius:28px 28px 0 0;margin-top:-30px;position:relative;z-index:2;}

/* ── LAYOUT ── */
.container{max-width:1120px;margin:0 auto;padding:0 22px;}
.btn{display:inline-flex;align-items:center;gap:8px;padding:12px 24px;border-radius:12px;
     font-family:'Sarabun',sans-serif;font-size:.94rem;font-weight:700;cursor:pointer;border:none;
     transition:transform .15s,box-shadow .2s,background .2s;}
.btn-primary{background:var(--gold);color:var(--ink);box-shadow:0 4px 14px rgba(243,172,46,.36);}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 8px 22px rgba(243,172,46,.46);}
.btn-outline{background:transparent;color:var(--ink);border:1.5px solid var(--line);}
.btn-outline:hover{border-color:var(--ink);background:var(--card);}

.tag{display:inline-block;padding:3px 12px;border-radius:100px;font-size:.73rem;font-weight:700;}
.tag-tech{background:#fdf2e2;color:var(--gold-deep);}
.tag-edu{background:var(--mint-soft);color:var(--mint);}
.tag-ai{background:#ebf0fa;color:#3a5a9b;}
.tag-news{background:#fdeef5;color:#b3457a;}
.tag-gen{background:#f1ede4;color:var(--slate);}
.tag-math{background:#ebf0fa;color:#3a5a9b;}
.tag-thai{background:var(--mint-soft);color:var(--mint);}
.tag-mgmt{background:#fdeef5;color:#b3457a;}

/* ── SECTION HEADS — แท่งทองนำสายตา ── */
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;margin-bottom:22px;gap:14px;}
.sec-title{font-family:'Pridi',serif;font-size:1.55rem;font-weight:700;color:var(--ink);line-height:1.25;
  position:relative;padding-left:18px;}
.sec-title::before{content:"";position:absolute;left:0;top:8%;bottom:8%;width:5px;border-radius:3px;
  background:linear-gradient(180deg,var(--gold),var(--gold-deep));}
.sec-title.mint::before{background:linear-gradient(180deg,var(--mint),#0a7d72);}
.sec-sub{font-size:.88rem;color:var(--slate);margin-top:3px;padding-left:18px;}
.sec-more{font-size:.9rem;color:var(--gold-deep);cursor:pointer;font-weight:800;flex-shrink:0;
          display:inline-flex;align-items:center;gap:6px;transition:gap .2s;padding-bottom:4px;}
.sec-more:hover{gap:11px;}

/* ── ARTICLES GRID ── */
/* การ์ดบทความทุกใบต้องสูงเท่ากันเสมอ ไม่ว่าหัวข้อหรือคำโปรยจะสั้นยาวแค่ไหน
   ทำ 3 ชั้นพร้อมกัน ขาดชั้นใดชั้นหนึ่งแล้วความสูงจะเริ่มเพี้ยนอีก:
     1) ไม่ใส่ align-items:start (ถ้าใส่ การ์ดจะหดตามเนื้อหาของตัวเอง — ต้นเหตุเดิม)
     2) grid-auto-rows:1fr ให้ทุกแถวสูงเท่ากัน ไม่ใช่แค่การ์ดในแถวเดียวกัน
     3) หัวข้อกับคำโปรยล็อกจำนวนบรรทัดตายตัวด้วย min-height + line-clamp */
.arts-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;grid-auto-rows:1fr;}
.art-card{background:var(--card);border:1px solid var(--line);border-radius:16px;
  cursor:pointer;display:flex;flex-direction:column;position:relative;overflow:hidden;
  transition:transform .18s,box-shadow .22s,border-color .2s;}
.art-card::after{content:"";position:absolute;left:0;right:0;top:0;height:3px;z-index:2;
  background:linear-gradient(90deg,var(--gold),var(--gold-bright));transform:scaleX(0);transform-origin:left;transition:transform .25s;}
.art-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-md);border-color:#ded2b8;}
.art-card:hover::after{transform:scaleX(1);}

/* รูปปก — กรอบแนวนอน 16/9 ตายตัว เป็นตัวกำหนดความสูงส่วนบนของการ์ด */
.art-thumb{aspect-ratio:16/9;width:100%;flex-shrink:0;overflow:hidden;background:var(--paper);
  border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:center;}
.art-thumb img{width:100%;height:100%;object-fit:cover;display:block;transition:transform .3s;}
/* รูปแนวตั้ง — ย่อให้เห็นทั้งใบแทนการตัดหัวตัดท้าย · class ใส่ตอน onload เพราะตอนสร้าง HTML
   ยังไม่รู้ขนาดจริงของรูป (ฐานข้อมูลเก็บแค่ URL) */
.art-thumb img.tall{width:auto;max-width:100%;object-fit:contain;}
.art-card:hover .art-thumb img{transform:scale(1.04);}
.art-thumb-ph{background:linear-gradient(135deg,var(--ink),var(--ink-3));
  color:rgba(243,172,46,.45);font-size:2.6rem;line-height:1;}

.ac-body{display:flex;flex-direction:column;flex:1;padding:16px 20px 15px;min-width:0;}
.art-meta{display:flex;gap:7px;align-items:center;margin-bottom:9px;font-size:.78rem;}
.art-card h3{font-size:1.05rem;font-weight:600;line-height:1.5;margin-bottom:7px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
  min-height:calc(1.5em * 2);}
.art-card p{font-size:.87rem;color:var(--ink-soft);line-height:1.75;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
  min-height:calc(1.75em * 2);max-height:calc(1.75em * 2);}
.art-date{font-size:.76rem;color:var(--slate);margin-top:auto;padding-top:12px;font-weight:600;}

/* ── ARTICLE PAGE ── */
.art-wrap{max-width:820px;margin:0 auto;padding:42px 22px;}
/* รูปปกบทความ — ต้องตรงกับ .cover ใน functions/article/[id].js (หน้า SSR) */
.cover{width:100%;height:auto;border-radius:14px;margin-bottom:24px;display:block;}
.art-wrap h1{font-size:clamp(1.6rem,3.4vw,2.15rem);font-weight:700;line-height:1.42;margin-bottom:16px;}
.art-info{display:flex;gap:13px;align-items:center;flex-wrap:wrap;margin-bottom:28px;
          padding-bottom:20px;border-bottom:1px solid var(--line);font-size:.85rem;color:var(--slate);}
.art-body h2{font-size:1.42rem;font-weight:600;margin:30px 0 11px;}
.art-body h3{font-size:1.14rem;font-weight:600;margin:22px 0 8px;}
.art-body p{margin-bottom:14px;line-height:1.95;font-size:1.04rem;}
.art-body ul,.art-body ol{margin:0 0 14px 22px;}
.art-body li{margin-bottom:6px;line-height:1.85;}
.art-body code{font-family:ui-monospace,'SF Mono',Menlo,Consolas,monospace;background:#f1ede4;
  padding:1px 7px;border-radius:5px;font-size:.86em;color:var(--gold-deep);}
.art-body pre{background:var(--ink);border-radius:12px;padding:16px 18px;margin:15px 0;overflow-x:auto;}
.art-body pre code{background:none;padding:0;font-size:.88rem;color:var(--chalk);}
.art-body blockquote{border-left:3px solid var(--gold);padding:12px 19px;margin:15px 0;
  background:var(--gold-soft);border-radius:0 11px 11px 0;color:var(--ink-soft);}
.art-body a{color:var(--mint);text-decoration:underline;}
.art-body a.dl-btn,.dl-btn{display:inline-flex;align-items:center;gap:8px;background:var(--mint);
  color:#fff!important;text-decoration:none!important;padding:12px 23px;border-radius:12px;
  font-family:'Sarabun';font-weight:700;font-size:.95rem;margin:8px 0;transition:.18s;}
.dl-btn:hover{background:#0c8276;transform:translateY(-1px);box-shadow:0 5px 16px rgba(15,162,148,.32);}
.art-body img{border-radius:11px;margin:13px 0;width:100%;max-width:100%;height:auto;display:block;}
/* ── ขนาดตัวอักษร + ขนาด/ตำแหน่งรูป (เลือกจาก toolbar ในหน้า admin) ──
   ⚠️ ชุดนี้เขียนซ้ำอยู่ 3 ที่ ต้องแก้พร้อมกันเสมอ:
   public/app.css (ไฟล์นี้) · functions/article/[id].js (หน้า SSR) · public/admin/index.html (.editor-body)
   ไม่ใส่ class = หน้าตาเหมือนเดิมทุกประการ บทความเก่าจึงไม่กระทบ */
.art-body .t-sm{font-size:.9rem;line-height:1.85;}
.art-body .t-lg{font-size:1.2rem;line-height:1.9;}
.art-body .t-xl{font-size:1.42rem;line-height:1.75;font-weight:600;}
.art-body img.w-75{width:75%;}
.art-body img.w-50{width:50%;}
.art-body img.w-auto{width:auto;}
.art-body img.a-l{margin-left:0;margin-right:auto;}
.art-body img.a-c{margin-left:auto;margin-right:auto;}
.art-body img.a-r{margin-left:auto;margin-right:0;}
.art-body table{width:100%;border-collapse:collapse;margin:15px 0;font-size:.92rem;}
.art-body th{text-align:left;padding:10px 12px;border-bottom:2px solid var(--line);font-weight:700;color:var(--ink-soft);}
.art-body td{padding:10px 12px;border-bottom:1px solid var(--line);}
.art-body strong{color:var(--ink);}

/* ── COMMENTS ── */
.comments-box{margin-top:42px;padding-top:30px;border-top:1px solid var(--line);}
.comments-box h3{font-size:1.22rem;font-weight:600;margin-bottom:18px;}
.comment-item{background:var(--card);border:1px solid var(--line);border-radius:13px;padding:15px 18px;margin-bottom:11px;}
.comment-meta{font-size:.82rem;color:var(--mint);margin-bottom:6px;font-weight:700;}
.comment-text{font-size:.93rem;line-height:1.75;}
.comment-form{background:var(--card);border:1px solid var(--line);border-radius:15px;padding:20px;margin-top:18px;}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-bottom:12px;}
.form-input,.form-ta{width:100%;background:var(--paper);border:1.5px solid var(--line);border-radius:11px;
  padding:11px 14px;font-family:'Sarabun',sans-serif;font-size:.93rem;color:var(--ink);outline:none;
  transition:border-color .2s,box-shadow .2s;}
.form-input:focus,.form-ta:focus{border-color:var(--gold);box-shadow:0 0 0 4px var(--gold-soft);}
.form-ta{min-height:100px;resize:vertical;}

/* ── ชั้นแอปน้ำเงิน (สลับจังหวะกับกระดาษ) ── */
.apps-box{background:linear-gradient(150deg,var(--ink) 20%,var(--ink-2) 75%,#1d3458);
  border-radius:26px;padding:38px 36px 36px;margin-bottom:34px;position:relative;z-index:100;overflow:visible;}
.apps-box .sec-title{color:#fff;}
.apps-box .sec-sub{color:#8fa0bf;}
.apps-box .sec-more{color:var(--gold-bright);}
.apps-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(258px,1fr));gap:15px;}
/* ── ใบงาน ── */
.ws-toolbar{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:12px;margin-bottom:16px;}
.ws-viewtoggle{display:flex;gap:5px;background:var(--card);border:1px solid var(--line);border-radius:11px;padding:4px;}
.ws-viewtoggle button{border:none;background:transparent;color:var(--slate);padding:7px 14px;border-radius:8px;
  font-family:'Sarabun';font-size:.86rem;font-weight:700;cursor:pointer;transition:.15s;}
.ws-viewtoggle button.active{background:var(--ink);color:#fff;}
.ws-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(170px,1fr));gap:15px;}
.ws-card{position:relative;background:var(--card);border:1px solid var(--line);border-radius:14px;overflow:hidden;
  cursor:pointer;transition:.16s;text-decoration:none;display:block;}
.ws-card:hover{border-color:var(--gold);transform:translateY(-2px);box-shadow:0 8px 24px rgba(16,28,51,.1);}
.ws-cover{aspect-ratio:210/270;background:var(--chalk);display:flex;align-items:center;justify-content:center;position:relative;overflow:hidden;}
.ws-cover img{width:100%;height:100%;object-fit:cover;}
.ws-cover .ws-emoji{font-size:2.4rem;opacity:.5;}
.ws-badge{position:absolute;top:8px;right:8px;padding:3px 10px;border-radius:100px;font-size:.66rem;font-weight:700;
  box-shadow:0 2px 6px rgba(16,28,51,.18);backdrop-filter:blur(4px);-webkit-backdrop-filter:blur(4px);}
.ws-badge.lock{background:rgba(243,172,46,.95);color:#fff;}
.ws-badge.free{background:rgba(15,162,148,.95);color:#fff;}
/* WORKSHEET DETAIL — 2-col desktop, รูปกลางบน mobile */
.ws-detail-grid{display:grid;grid-template-columns:280px 1fr;gap:32px;align-items:start;}
.ws-detail-cover{position:relative;}
.ws-detail-body{min-width:0;}
@media(max-width:720px){
  .ws-detail-grid{grid-template-columns:1fr;gap:18px;}
  .ws-detail-cover{max-width:260px;margin:0 auto;width:100%;}
}
.ws-info{padding:11px 12px;}
.ws-info h3{font-family:'Pridi',serif;font-size:.92rem;font-weight:600;color:var(--ink);line-height:1.4;margin:0 0 5px;}
.ws-meta{font-size:.74rem;color:var(--slate);}
/* list view */
.ws-list{display:flex;flex-direction:column;gap:9px;}
.ws-row{position:relative;background:var(--card);border:1px solid var(--line);border-radius:12px;padding:11px 14px;
  display:flex;align-items:center;gap:13px;cursor:pointer;transition:.15s;text-decoration:none;}
.ws-row:hover{border-color:var(--gold);}
.ws-row .ws-rcover{width:44px;height:56px;background:var(--chalk);border-radius:7px;flex-shrink:0;overflow:hidden;display:flex;align-items:center;justify-content:center;font-size:1.4rem;}
.ws-row .ws-rcover img{width:100%;height:100%;object-fit:cover;}
.ws-rbody{flex:1;min-width:0;}
.ws-rbody h3{font-family:'Pridi',serif;font-size:1rem;font-weight:600;color:var(--ink);margin:0 0 3px;}
.ws-rbody .ws-meta{font-size:.78rem;}
/* hover preview popup */
.ws-pv{position:absolute;z-index:60;top:50%;left:50%;transform:translate(-50%,-50%) scale(.96);
  width:158px;background:#fff;border:1px solid var(--gold);border-radius:9px;box-shadow:0 14px 36px rgba(16,28,51,.3);
  overflow:hidden;pointer-events:none;opacity:0;transition:.18s;}
.ws-pv .ws-pv-img{aspect-ratio:210/297;background:var(--paper);display:flex;flex-direction:column;align-items:center;justify-content:center;gap:6px;}
.ws-pv .ws-pv-img img{width:100%;height:100%;object-fit:cover;}
@media(max-width:640px){
  .ws-grid{grid-template-columns:repeat(auto-fill,minmax(140px,1fr));}
  .ws-pv{display:none;}
}
.app-card{border:1px solid var(--line);border-radius:16px;padding:19px;background:var(--card);
  transition:top .18s,box-shadow .22s,background .2s,border-color .2s;position:relative;top:0;}
.app-card:hover{top:-4px;box-shadow:var(--shadow-md);border-color:#ded2b8;}
.apps-box .app-card{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.13);}
.apps-box .app-card:hover{background:rgba(255,255,255,.11);box-shadow:none;}
.apps-box .app-card h4{color:#fff;}
.apps-box .app-card h4 a{color:#fff;}
/* หมายเหตุ: ไม่ตั้งสีตัวหนังสือให้ .apps-box .app-card p อีกแล้ว
   ตอนนี้ <p> ที่เหลือในการ์ดมีแค่คำอธิบายในป๊อปอัพ ซึ่งพื้นหลังเป็นสีขาว
   ถ้าตั้งเป็นสีขาวตามโซนพื้นเข้ม ข้อความจะกลืนหายไปทั้งอัน */
.apps-box .app-icon{background:rgba(243,172,46,.2);}

.app-preview{position:absolute;bottom:calc(100% + 10px);left:50%;transform:translateX(-50%) scale(.96);
  width:280px;background:var(--card);border-radius:15px;box-shadow:0 16px 48px rgba(10,17,32,.36);
  border:1px solid var(--line);overflow:hidden;z-index:200;
  opacity:0;visibility:hidden;transition:opacity .18s ease,transform .18s ease;pointer-events:none;}
.app-card:hover .app-preview{opacity:1;visibility:visible;transform:translateX(-50%) scale(1);}
.app-card.preview-down .app-preview{bottom:auto;top:calc(100% + 10px);transform:translateX(-50%) scale(.96);}
.app-card.preview-down:hover .app-preview{transform:translateX(-50%) scale(1);}
.app-preview-info{padding:13px 15px;}
.app-preview-info p{font-size:.84rem;color:var(--ink-soft);line-height:1.55;margin-bottom:6px;}
.app-preview-lock{display:inline-flex;align-items:center;gap:5px;background:var(--gold-soft);
  color:var(--gold-deep);border:1px solid rgba(243,172,46,.32);padding:4px 12px;border-radius:100px;
  font-size:.76rem;font-weight:700;}
@media(hover:none) and (pointer:coarse){.app-preview{display:none;}}

.app-top{display:flex;align-items:center;gap:12px;margin-bottom:10px;}
.app-icon{width:48px;height:48px;border-radius:14px;display:flex;align-items:center;
  justify-content:center;font-size:1.45rem;flex-shrink:0;background:var(--gold-soft);}
.icon-blue,.icon-green,.icon-purple,.icon-orange{background:var(--gold-soft);}
.app-card h4{font-family:'Pridi',serif;font-size:1.08rem;font-weight:600;line-height:1.3;}
/* VIP badge มุมขวาบนการ์ดแอป */
.app-vip-badge{position:absolute;top:10px;right:10px;
  background:linear-gradient(135deg,#7c3aed 0%,#a855f7 50%,#c084fc 100%);
  color:#fff;font-size:.68rem;font-weight:800;letter-spacing:.3px;
  padding:4px 10px;border-radius:100px;
  box-shadow:0 2px 8px rgba(124,58,237,.4);
  z-index:2;pointer-events:none;}
.apps-box .app-vip-badge{box-shadow:0 2px 12px rgba(192,132,252,.55);}
.app-card .tag{margin-top:4px;}

/* รูปตัวอย่างบนตัวการ์ด — ล็อกสัดส่วนไว้ ทุกการ์ดจึงสูงเท่ากันไม่ว่าไฟล์ต้นฉบับ
   จะเป็นแนวตั้งหรือแนวนอน (ดูรูปเต็มได้ที่หน้าของแอป) */
.app-thumb{aspect-ratio:16/10;width:100%;margin:10px 0 14px;border-radius:11px;overflow:hidden;
  background:var(--paper);border:1px solid var(--line);}
.app-thumb img{width:100%;height:100%;object-fit:cover;display:block;}
.app-thumb-ph{width:100%;height:100%;background:linear-gradient(135deg,var(--ink),var(--ink-3));
  display:flex;align-items:center;justify-content:center;font-size:2.8rem;}
.apps-box .app-thumb{border-color:rgba(255,255,255,.15);background:rgba(255,255,255,.05);}
.app-btns{display:flex;gap:8px;}
.btn-open{flex:1;background:var(--gold);color:var(--ink);font-family:'Sarabun';
  font-size:.88rem;font-weight:700;padding:10px 0;border-radius:10px;border:none;cursor:pointer;transition:background .2s,color .2s;}
.btn-open:hover{background:var(--gold-deep);color:#fff;}
.btn-pmt{flex:1;background:var(--mint-soft);color:var(--mint);font-family:'Sarabun';
  font-size:.88rem;font-weight:700;padding:10px 0;border-radius:10px;
  border:1px solid rgba(15,162,148,.25);cursor:pointer;transition:.15s;}
.btn-pmt.active,.btn-pmt:hover{background:#d2efe9;}
.btn-share{flex:0 0 auto;width:42px;background:var(--paper);color:var(--ink-soft);
  display:flex;align-items:center;justify-content:center;
  padding:10px 0;border-radius:10px;border:1px solid var(--line);cursor:pointer;transition:.15s;}
.btn-share:hover{border-color:var(--gold);color:var(--gold-deep);background:var(--gold-soft);}
.apps-box .btn-share{background:rgba(255,255,255,.1);color:#fff;border:1px solid rgba(255,255,255,.18);}
.apps-box .btn-share:hover{background:rgba(255,255,255,.18);border-color:var(--gold-bright);}
.pmt-box{background:var(--paper);border:1px solid var(--line);border-radius:10px;
  padding:12px;margin-top:9px;display:none;}
.pmt-box.open{display:block;}
.pmt-box pre{font-family:ui-monospace,'SF Mono',Menlo,Consolas,monospace;font-size:.76rem;color:var(--slate);
  white-space:pre-wrap;word-break:break-word;margin-bottom:8px;}
.btn-copy{background:none;border:none;color:var(--mint);font-family:'Sarabun';
  font-size:.84rem;font-weight:700;cursor:pointer;}
.apps-box .btn-open:hover{background:#fff;color:var(--ink);}
.apps-box .btn-pmt{background:rgba(255,255,255,.12);color:#fff;border:1px solid rgba(255,255,255,.18);}
.apps-box .btn-pmt.active,.apps-box .btn-pmt:hover{background:rgba(255,255,255,.2);}
.apps-box .pmt-box{background:rgba(0,0,0,.24);border:1px solid rgba(255,255,255,.12);}
.apps-box .pmt-box pre{color:rgba(255,255,255,.72);}
.apps-box .btn-copy{color:var(--gold-bright);}

/* ── ตั๋วรหัส ── */
.redeem-row{position:relative;display:flex;align-items:center;gap:10px;
  background:linear-gradient(135deg,#fffdf8,#fdf6e6);border:2px dashed var(--gold);
  border-radius:15px;padding:9px 11px 9px 17px;margin-bottom:26px;flex-wrap:wrap;}
.redeem-row::before,.redeem-row::after{content:"";position:absolute;top:50%;transform:translateY(-50%);
  width:18px;height:18px;border-radius:50%;background:var(--paper);}
.redeem-row::before{left:-11px;box-shadow:inset -2px 0 0 var(--gold);}
.redeem-row::after{right:-11px;box-shadow:inset 2px 0 0 var(--gold);}
.redeem-row:focus-within{box-shadow:0 0 0 4px var(--gold-soft);}
.redeem-ico{font-size:1.15rem;}
.redeem-row input{flex:1;min-width:160px;border:none;outline:none;background:none;
  font-family:'Sarabun';font-size:.96rem;font-weight:600;color:var(--ink);padding:8px 0;letter-spacing:.04em;}
.redeem-row input::placeholder{font-weight:400;letter-spacing:0;color:#a39a85;}
.redeem-row button{background:var(--gold);color:var(--ink);border:none;border-radius:10px;
  padding:11px 22px;font-family:'Sarabun';font-weight:700;font-size:.9rem;cursor:pointer;transition:background .2s,color .2s;}
.redeem-row button:hover{background:var(--gold-deep);color:#fff;}
#redeemMsg{font-size:.86rem;font-weight:700;}
#redeemMsg:empty{display:none;}
@media(max-width:560px){
  .redeem-row input{min-width:120px;}
  #redeemMsg{width:100%;padding-left:6px;}
}

.ad-slot{display:none;}
/* AdSense: ซ่อนเสมอ ยกเว้นมี ad ถูก fill จริง (กัน iframe ว่างกินพื้นที่บน Firefox/Safari) */
ins.adsbygoogle{display:none!important;min-height:0!important;margin:0!important;}
ins.adsbygoogle[data-ad-status="filled"]{display:block!important;margin:20px 0!important;}

/* ── FILTER PILLS ── */
.cat-strip{display:flex;gap:9px;flex-wrap:wrap;margin-bottom:20px;}
.cat-pill{padding:8px 18px;border-radius:100px;border:1.5px solid var(--line);font-size:.88rem;
  font-weight:600;color:var(--ink-soft);cursor:pointer;background:var(--card);transition:.18s;}
.cat-pill:hover{border-color:var(--gold);color:var(--ink);}
.cat-pill.active{background:var(--ink);color:var(--gold-bright);border-color:var(--ink);}

/* ── VIEW TOGGLE ── */
.view-toggle{display:inline-flex;border:1.5px solid var(--line);border-radius:10px;overflow:hidden;background:var(--card);}
.vt-btn{display:flex;align-items:center;gap:6px;padding:8px 14px;border:none;background:transparent;font-family:'Sarabun',sans-serif;font-size:.86rem;font-weight:600;color:var(--ink-soft);cursor:pointer;transition:.15s;}
.vt-btn:hover{color:var(--ink);}
.vt-btn.on{background:var(--ink);color:var(--gold-bright);}

/* ── TABLE VIEW ── */
/* .data-table = เปลือกตารางที่ใช้ร่วมกัน (หน้าแอปและหน้าบทความ)
   ส่วน .apps-table / .arts-table เก็บเฉพาะคอลัมน์ที่เป็นของหน้านั้นจริง ๆ
   HTML เขียนคู่กันเสมอ: class="data-table apps-table" */
.data-table{width:100%;border-collapse:collapse;background:var(--card);border-radius:14px;overflow:hidden;border:1.5px solid var(--line);}
.data-table th{background:var(--paper);font-family:'Sarabun',sans-serif;font-size:.82rem;font-weight:700;color:var(--ink-soft);text-align:left;padding:11px 14px;border-bottom:1.5px solid var(--line);text-transform:uppercase;letter-spacing:.04em;}
.data-table td{padding:13px 14px;border-bottom:1px solid var(--line);font-size:.92rem;vertical-align:middle;}
.data-table tr:last-child td{border-bottom:none;}
.data-table tr:hover{background:var(--paper);}
.data-table .at-date{font-size:.8rem;color:var(--slate);white-space:nowrap;}
.apps-table .at-icon{font-size:1.6rem;width:36px;}
.apps-table .at-title{font-weight:700;color:var(--ink);}
.apps-table .at-desc{font-size:.79rem;color:var(--slate);margin-top:2px;line-height:1.4;display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;overflow:hidden;}
.apps-table .at-tier{display:inline-block;font-size:.72rem;font-weight:700;padding:3px 9px;border-radius:99px;}
.apps-table .at-tier.free{background:var(--mint-soft);color:var(--mint);}
.apps-table .at-tier.lock{background:var(--gold-soft);color:var(--gold-deep);}
.apps-table .at-tier.vip{background:linear-gradient(135deg,#a855f7,#ec4899);color:#fff;}
.apps-table .at-btn{padding:6px 12px;border-radius:8px;background:var(--ink);color:#fff;border:none;font-family:'Sarabun',sans-serif;font-size:.82rem;font-weight:600;cursor:pointer;white-space:nowrap;}
.apps-table .at-btn.lock{background:var(--slate);}
.apps-table .at-btn:hover{opacity:.85;}

/* ตารางบทความ — คอลัมน์รูปปกย่อ + ชื่อ/คำโปรย */
.arts-table tr{cursor:pointer;}
.arts-table .rt-thumb{width:96px;padding-right:0;}
.arts-table .rt-thumb-box{width:84px;aspect-ratio:16/9;border-radius:8px;overflow:hidden;background:var(--paper);
  border:1px solid var(--line);display:flex;align-items:center;justify-content:center;}
.arts-table .rt-thumb-box img{width:100%;height:100%;object-fit:cover;display:block;}
.arts-table .rt-thumb-box img.tall{width:auto;max-width:100%;object-fit:contain;}
.arts-table .rt-thumb-box.ph{background:linear-gradient(135deg,var(--ink),var(--ink-3));color:rgba(243,172,46,.45);font-size:1.2rem;}
.arts-table .rt-title{font-weight:700;color:var(--ink);line-height:1.45;}
.arts-table .rt-desc{font-size:.79rem;color:var(--slate);margin-top:3px;line-height:1.45;
  display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;overflow:hidden;}

/* แถวเครื่องมือหน้าบทความ — ชิปหมวดหมู่ซ้าย ปุ่มสลับมุมมองขวา */
.blog-bar{display:flex;gap:14px;align-items:center;justify-content:space-between;flex-wrap:wrap;margin-bottom:20px;}
.blog-bar .cat-strip{margin-bottom:0;flex:1;min-width:0;}

@media(max-width:600px){
  .data-table .at-hide-mobile{display:none;}
  .data-table th,.data-table td{padding:9px 10px;font-size:.84rem;}
  .arts-table .rt-thumb{width:64px;}
  .arts-table .rt-thumb-box{width:56px;}
}

/* ── PAGINATION ── */
.pager{display:flex;justify-content:center;align-items:center;gap:6px;margin-top:18px;flex-wrap:wrap;}
.pager button{min-width:36px;height:36px;border-radius:8px;border:1.5px solid var(--line);background:var(--card);font-family:'Sarabun',sans-serif;font-weight:600;color:var(--ink);cursor:pointer;padding:0 10px;transition:.15s;}
.pager button:hover:not(:disabled){border-color:var(--gold);}
.pager button.on{background:var(--ink);color:var(--gold-bright);border-color:var(--ink);}
.pager button:disabled{opacity:.4;cursor:not-allowed;}
.pager .pinfo{color:var(--slate);font-size:.82rem;margin:0 8px;}

/* ── SEARCH ── */
.search-row{display:flex;gap:11px;margin-bottom:18px;}
.search-in{flex:1;background:var(--card);border:1.5px solid var(--line);border-radius:13px;
  padding:13px 18px;font-family:'Sarabun',sans-serif;font-size:.95rem;
  color:var(--ink);outline:none;transition:border-color .2s,box-shadow .2s;}
.search-in:focus{border-color:var(--gold);box-shadow:0 0 0 4px var(--gold-soft);}

/* ── หัวหน้า blog/apps — ดาวลายน้ำใหญ่ (จุดเดียว) ── */
.page-head{padding:38px 0 6px;margin-bottom:20px;position:relative;overflow:visible;}
.page-head::after{content:"✦";position:absolute;right:-6px;top:-14px;font-size:7.5rem;line-height:1;
  color:var(--gold);opacity:.1;pointer-events:none;}
.page-head h1{font-size:clamp(1.7rem,3.2vw,2.2rem);font-weight:700;}
.page-head .ph-sub{font-size:.95rem;color:var(--slate);margin-top:6px;}

/* ── PAGINATION ── */
.pagination{display:flex;gap:8px;justify-content:center;padding:30px 0;}
.page-btn{padding:9px 16px;border-radius:10px;border:1.5px solid var(--line);background:var(--card);
  font-family:'Sarabun';font-size:.88rem;font-weight:700;cursor:pointer;transition:.15s;}
.page-btn:hover,.page-btn.active{background:var(--ink);color:var(--gold-bright);border-color:var(--ink);}

/* ── FOOTER ── */
footer{background:var(--ink);color:rgba(255,255,255,.72);padding:38px 26px 30px;
  padding-bottom:calc(30px + env(safe-area-inset-bottom));margin-top:48px;
  position:relative;overflow:hidden;}
footer::before{content:"✦";position:absolute;right:-40px;bottom:-80px;font-size:10rem;
  color:rgba(243,172,46,.08);pointer-events:none;line-height:1;}
.footer-inner{max-width:1120px;margin:0 auto;display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:16px;position:relative;}
.footer-logo{font-family:'Pridi',serif;font-size:1.12rem;font-weight:700;color:#fff;}
.footer-links{display:flex;gap:22px;font-size:.9rem;flex-wrap:wrap;}
.footer-links a{transition:color .15s;}
.footer-links a:hover{color:var(--gold-bright);}

/* ── LOADING & EMPTY ── */
.loading{text-align:center;padding:64px;color:var(--slate);}
.empty{text-align:center;padding:64px;color:var(--slate);}
.spinner{display:inline-block;width:28px;height:28px;border:3px solid var(--line);
  border-top-color:var(--gold);border-radius:50%;animation:spin .7s linear infinite;margin-bottom:12px;}
@keyframes spin{to{transform:rotate(360deg)}}

/* ── SKELETON LOADING ── */
@keyframes shimmer{0%{background-position:-468px 0}100%{background-position:468px 0}}
.sk{background:#eee;background-image:linear-gradient(90deg,#ececec 0px,#f5f5f5 40px,#ececec 80px);
  background-size:600px 100%;animation:shimmer 1.3s ease-in-out infinite;border-radius:8px;}
.sk-card{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:18px;}
.sk-line{height:13px;margin-bottom:10px;}
.sk-img{width:100%;aspect-ratio:16/10;border-radius:12px;margin-bottom:14px;}
.sk-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:18px;}
/* รูปค่อยๆ ปรากฏเมื่อโหลดเสร็จ (ลด layout jank) */
.art-body img,.app-preview img,.ws-cover img{animation:imgFade .4s ease-in;}
@keyframes imgFade{from{opacity:0}to{opacity:1}}

.back-btn{display:inline-flex;align-items:center;gap:6px;color:var(--slate);font-size:.9rem;
  margin-bottom:18px;cursor:pointer;transition:.15s;font-weight:600;}
.back-btn:hover{color:var(--ink);}

/* ── RESPONSIVE ── */
@media(max-width:880px){
  .crown{padding:26px 0 46px;}
  .crown-grid{grid-template-columns:1fr;gap:26px;align-items:stretch;}
  .stamp{width:54px;height:54px;top:-30px;right:0;}
  .stamp b{font-size:1.05rem;}
  .stamp small{font-size:.5rem;}
}
@media(max-width:768px){
  .arts-grid{grid-template-columns:repeat(2,1fr);}
  .form-row{grid-template-columns:1fr;}
  .apps-box{padding:28px 18px;border-radius:20px;}
  .page-head::after{font-size:5rem;}
}
@media(max-width:480px){
  .arts-grid{grid-template-columns:1fr;}
  .apps-grid{grid-template-columns:1fr;}
  .sec-title{font-size:1.3rem;}
}
@media(hover:none) and (pointer:coarse){
  .btn-open,.btn-pmt{padding:12px 0;font-size:.9rem;}
  .btn-copy{padding:9px 4px;}
  .btn{padding:13px 24px;}
  .nav-links a{padding:11px 16px;}
  .cat-pill{padding:9px 17px;}
  .page-btn{padding:11px 17px;}
  .back-btn{padding:8px 0;}
  .sec-more{padding:6px 0;}
}
@media(prefers-reduced-motion:reduce){*{animation-duration:.01ms!important;transition-duration:.01ms!important;}}

/* เต็มจอจำลอง — ใช้ได้ทุกที่รวม iOS Safari standalone ที่ Fullscreen API ใช้ไม่ได้ */
#appViewer.vb-full{padding:0!important;background:#000!important;}
#appViewer.vb-full #viewerBox{
  max-width:none!important;width:100%!important;height:100%!important;
  height:100dvh!important;border-radius:0!important;
}
/* เผื่อ notch/home indicator บน iPad/iPhone standalone */
#appViewer.vb-full #viewerBox > div:first-child{
  padding-top:calc(9px + env(safe-area-inset-top))!important;
  padding-left:calc(12px + env(safe-area-inset-left))!important;
  padding-right:calc(12px + env(safe-area-inset-right))!important;
}
#appViewer.vb-full #viewerFrame{
  padding-bottom:env(safe-area-inset-bottom);background:#fff;
}