@import url('https://fonts.googleapis.com/css2?family=Kanit:wght@500;600;700;800&family=Prompt:wght@400;500;600;700&family=Poppins:wght@500;600;700&display=swap');

/* ============================================================
   ปรับสีทั้งเว็บ "ที่เดียว" — แก้ค่าตัวแปรในบล็อก :root นี้
   พาเลตน้ำเงิน + พื้นฟ้าอ่อน + แอ็กเซนต์ เขียว/เหลือง/ชมพู/ม่วง/มิ้นต์
   ============================================================ */
:root{
  --primary:#1677FF;--secondary:#24D6FF;--accent:#6D5BFF;--mint:#2EE6B8;--highlight:#FFD93D;
  --navy:#1677FF;--navy-700:#0E4FBE;--navy-600:#24D6FF;--navy-50:#EAF4FF;
  --blue:#1677FF;--blue-2:#24D6FF;--blue-soft:#9AC7FF;--blue-bg:#EAF4FF;
  --paper:#F6FAFF;--card:#FFFFFF;--white:#FFFFFF;
  --green:#2EE6B8;--yellow:#FFD93D;--pink:#FF8FA0;--purple:#6D5BFF;
  --gold:#6D5BFF;--gold-2:#FFD93D;--gold-soft:#FFF4CF;--pink-soft:#FFE9EC;
  --head:#071A52;--ink:#3A4A6B;--slate:#6D7B95;--line:#E5EEF8;
  --ok:#2EE6B8;--warn:#FFC107;--err:#FF5A6A;
  --glass:rgba(255,255,255,.80);
  --g-hero:linear-gradient(135deg,#FFFFFF,#EDF8FF,#EAF6FF,#EEF1FF);
  --g-btn:linear-gradient(90deg,#2EE6B8,#24D6FF,#1677FF,#6D5BFF);
  --g-prem:linear-gradient(90deg,#1677FF,#6D5BFF);
  --g-high:linear-gradient(90deg,#FFD93D,#FFF27A);
}

*{box-sizing:border-box;}
html,body{margin:0;padding:0;}
body{
  font-family:'Prompt','Poppins',system-ui,sans-serif;
  color:var(--ink);line-height:1.6;font-size:15.5px;
  background-color:var(--paper);
  background-image:radial-gradient(720px 420px at 88% -8%,rgba(36,214,255,.14),transparent 60%),radial-gradient(640px 520px at -8% 108%,rgba(109,91,255,.12),transparent 55%),radial-gradient(520px 420px at 50% 120%,rgba(46,230,184,.10),transparent 60%);
  background-attachment:fixed;
}
h1,h2,h3{font-family:'Kanit','Prompt',sans-serif;font-weight:800;letter-spacing:-.01em;line-height:1.25;margin:0;color:var(--head);}
p{margin:0;}
a{color:inherit;text-decoration:none;}
button{font-family:inherit;cursor:pointer;border:none;background:none;color:inherit;}
input,select,textarea{font-family:inherit;font-size:15px;width:100%;padding:11px 14px;border:1.5px solid var(--line);border-radius:14px;background:#fff;outline:none;}
input:focus,select:focus,textarea:focus{border-color:var(--navy-600);box-shadow:0 0 0 3px rgba(60,132,218,.22);}
:focus-visible{outline:2px solid var(--navy-600);outline-offset:2px;}
img{max-width:100%;display:block;}

.wrap{max-width:1160px;margin:0 auto;padding:0 18px;}
.muted{color:var(--slate);}
.divider{height:1px;background:var(--line);margin:14px 0;}
.center{text-align:center;}
.mt8{margin-top:8px;} .mt12{margin-top:12px;} .mt16{margin-top:16px;} .mt24{margin-top:24px;} .mt34{margin-top:34px;}
.mb8{margin-bottom:8px;} .mb12{margin-bottom:12px;} .mb16{margin-bottom:16px;} .mb22{margin-bottom:22px;} .mb38{margin-bottom:38px;}
.flex{display:flex;} .items-center{align-items:center;} .between{justify-content:space-between;} .gap8{gap:8px;} .gap10{gap:10px;} .gap14{gap:14px;} .wrapf{flex-wrap:wrap;}
.flex1{flex:1;}

/* ปุ่ม */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font-weight:700;font-size:15px;padding:13px 22px;border-radius:18px;transition:transform .18s,box-shadow .18s,filter .18s,background-position .5s;white-space:nowrap;}
.btn:hover{transform:scale(1.03);}
.btn:active{transform:translateY(1px);}
.btn-navy{background:var(--g-prem);color:#fff;box-shadow:0 10px 26px rgba(22,119,255,.32);}
.btn-navy:hover{filter:brightness(1.04);box-shadow:0 14px 34px rgba(22,119,255,.45);}
.btn-gold{background:var(--g-high);color:#7a5b00;box-shadow:0 10px 24px rgba(255,217,61,.4);}
.btn-gold:hover{filter:brightness(1.04);}
.btn-pink{background:linear-gradient(90deg,#24D6FF,#1677FF);color:#fff;box-shadow:0 10px 24px rgba(36,214,255,.38);}
.btn-pink:hover{filter:brightness(1.04);}
.btn-ghost{background:rgba(255,255,255,.85);backdrop-filter:blur(10px);color:var(--head);border:1px solid var(--line);box-shadow:0 6px 18px rgba(7,26,82,.06);}
.btn-ghost:hover{border-color:var(--navy-600);}
.btn-sm{padding:7px 14px;font-size:13.5px;border-radius:11px;}
.btn-block{width:100%;}

/* การ์ด */
.card{background:var(--glass);backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);border:1px solid rgba(255,255,255,.55);border-radius:24px;box-shadow:0 20px 60px rgba(7,26,82,.08);}
a.card{transition:transform .18s,box-shadow .18s;}
a.card:hover{transform:translateY(-5px);box-shadow:0 28px 64px rgba(22,119,255,.16);}
.card-pad{padding:16px;}
.badge{display:inline-flex;align-items:center;gap:5px;font-size:12px;font-weight:600;padding:4px 11px;border-radius:999px;}
.badge-gold{background:var(--gold-soft);color:#8a6a1f;}
.badge-navy{background:var(--blue-bg);color:var(--blue);}
.badge-ok{background:#E3F6EA;color:var(--green);}
.badge-warn{background:#FBEFD9;color:var(--warn);}
.badge-key{background:var(--blue);color:#fff;font-family:ui-monospace,monospace;letter-spacing:.04em;}
.linkbtn{color:var(--navy-600);font-weight:600;}
.linkbtn:hover{color:var(--blue);}
.icon{width:1em;height:1em;vertical-align:-.15em;display:inline-block;}

.seal{width:30px;height:30px;border-radius:50%;background:#fff;border:2px solid var(--navy-50);display:flex;align-items:center;justify-content:center;color:var(--blue);flex:0 0 auto;box-shadow:0 1px 5px rgba(34,91,185,.18);overflow:hidden;}
.seal svg{width:100%;height:100%;}

/* HEADER — น้ำเงินหลัก ตัวอักษรขาว */
header.site{background:rgba(255,255,255,.72);backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);color:var(--head);position:sticky;top:0;z-index:50;box-shadow:0 6px 24px rgba(7,26,82,.06);border-bottom:1px solid rgba(255,255,255,.5);}
header.site .bar{display:flex;align-items:center;gap:14px;height:66px;}
header.site .logo{display:flex;align-items:center;gap:10px;color:var(--head);}
header.site .logo small{display:block;font-size:10.5px;color:var(--slate);font-weight:600;}
header.site nav{display:flex;gap:18px;margin-left:18px;font-size:14.5px;font-weight:600;}
header.site nav a{color:var(--ink);opacity:1;}
header.site nav a:hover{color:var(--primary);}
.menu-toggle{display:none;color:#fff;}
.mobile-menu{display:none;background:#1B4C9E;padding:10px 18px 16px;flex-direction:column;gap:4px;}
.mobile-menu a{padding:8px 0;color:#fff;}
@media(max-width:820px){
  header.site nav, .auth-desktop{display:none;}
  .menu-toggle{display:block;}
  .mobile-menu.open{display:flex;}
}

/* FOOTER */
footer.site{background:linear-gradient(160deg,var(--blue),var(--head));color:#fff;margin-top:30px;}
footer.site .cols{padding:34px 18px;display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:24px;}
footer.site .cols b{display:block;margin-bottom:10px;}
footer.site .cols a{display:block;font-size:13px;opacity:.9;padding:3px 0;}
footer.site .copy{border-top:1px solid rgba(255,255,255,.18);padding:14px 0;text-align:center;font-size:12.5px;opacity:.75;}
footer.site .seal{background:rgba(255,255,255,.16);border-color:var(--gold-2);}

/* HERO — ฟ้าอ่อน/ขาว หัวข้อน้ำเงินเข้ม */
.hero{background:linear-gradient(160deg,#E6EFFB,#F3F6FC 55%,#FFFFFF);color:var(--ink);padding:46px 0 34px;border-bottom:1px solid var(--line);}
.hero h1{font-size:34px;max-width:640px;color:var(--head);}
.hero .gold{color:var(--blue-2);}
.searchbox{margin-top:24px;padding:8px;display:flex;gap:8px;max-width:720px;background:#fff;border-radius:18px;box-shadow:0 8px 22px rgba(23,58,115,.08);}
.searchbox .field{flex:1;display:flex;align-items:center;gap:8px;padding:0 8px;}
.searchbox input{border:none;box-shadow:none;padding:12px 0;}
.stats-row{display:flex;gap:26px;margin-top:26px;flex-wrap:wrap;}
.stats-row .n{font-size:22px;font-weight:700;color:var(--blue);}
.stats-row .l{font-size:12.5px;color:var(--slate);}

/* หัวข้อ section */
.sec-head{display:flex;align-items:center;margin-bottom:16px;}
.sec-head h2{font-size:21px;color:var(--head);}
.sec-head .ic{color:var(--primary);margin-right:9px;display:flex;}

/* กริด */
.grid-books{display:grid;grid-template-columns:repeat(auto-fill,minmax(190px,1fr));gap:16px;}
.grid-agencies{display:grid;grid-template-columns:repeat(auto-fill,minmax(168px,1fr));gap:12px;}
.grid-pos{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:12px;}
.grid-news{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:14px;}
.grid-stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:12px;}
.grid-2{display:grid;grid-template-columns:1.4fr 1fr;gap:16px;}
@media(max-width:760px){.grid-2{grid-template-columns:1fr;}}

/* ปกหนังสือ — โทนน้ำเงิน (คุมจากที่นี่ที่เดียว) */
.cover{aspect-ratio:3/4;border-radius:16px;display:flex;flex-direction:column;justify-content:space-between;padding:14px;color:#fff;position:relative;overflow:hidden;
  background:linear-gradient(155deg,var(--blue-2),var(--blue))!important;}
.cover::after{content:"";position:absolute;inset:0;background:radial-gradient(120% 80% at 80% 0%,rgba(255,255,255,.22),transparent 60%);}
.cover .top{display:flex;justify-content:space-between;align-items:center;}
.cover .k{font-size:11px;opacity:.92;font-weight:600;}
.cover .ag{font-size:10.5px;opacity:.9;margin-bottom:6px;}
.cover .ti{font-weight:700;font-size:14.5px;line-height:1.25;}
.cover .rule{margin-top:10px;height:2px;width:40px;background:var(--gold-2);}
.cover .sub{margin-top:8px;font-size:11px;opacity:.85;}
.cover.big .ti{font-size:19px;}
.cover .seal{background:rgba(255,255,255,.22);border-color:#fff;color:#fff;}

.book-card{padding:12px;display:flex;flex-direction:column;}
.book-card .ti{margin-top:11px;font-weight:600;font-size:14px;line-height:1.3;min-height:36px;color:var(--head);}
.book-card .meta{color:var(--slate);font-size:12px;margin-top:5px;display:flex;align-items:center;gap:4px;}
.book-card .pricerow{display:flex;align-items:center;justify-content:space-between;margin-top:9px;}
.price{font-weight:700;font-size:18px;color:var(--blue);}

/* การ์ดหน่วยงาน */
.ag-tile{padding:16px;display:flex;flex-direction:column;gap:8px;}
.ag-ic{width:38px;height:38px;border-radius:12px;display:flex;align-items:center;justify-content:center;color:#fff;
  background:linear-gradient(140deg,var(--blue-2),var(--blue))!important;}

/* การ์ดข่าว */
.news-card{overflow:hidden;display:block;}
.news-card .ph{height:96px;display:flex;align-items:flex-end;padding:12px;
  background:linear-gradient(135deg,var(--blue-2),var(--mint))!important;}

/* breadcrumb */
.crumb{display:flex;align-items:center;gap:6px;font-size:13px;flex-wrap:wrap;color:var(--slate);}
.crumb .sep{opacity:.6;}
.crumb .cur{font-weight:600;color:var(--head);}
.crumb.light{color:rgba(255,255,255,.85);}
.crumb.light .cur{color:#fff;}

/* รายละเอียดหนังสือ */
.book-grid{display:grid;grid-template-columns:minmax(0,300px) 1fr;gap:30px;align-items:start;}
.book-grid .left{position:sticky;top:84px;}
@media(max-width:760px){.book-grid{grid-template-columns:1fr;} .book-grid .left{position:static;}}
.metarow{display:flex;align-items:center;gap:8px;padding:5px 0;font-size:13.5px;}
.metarow .ic{color:var(--blue-2);display:flex;}
.metarow .v{margin-left:auto;font-weight:600;}
.samples{display:grid;grid-template-columns:repeat(auto-fill,minmax(110px,1fr));gap:10px;}
.sample{aspect-ratio:3/4;color:#fff;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:6px;border:none;border-radius:14px;font-size:12px;
  background:linear-gradient(160deg,var(--blue-2),var(--blue))!important;}
.faq{padding:0;margin-bottom:8px;overflow:hidden;}
.faq button{width:100%;display:flex;justify-content:space-between;align-items:center;padding:14px;font-weight:600;text-align:left;color:var(--head);}
.faq .ans{padding:0 14px 14px;color:var(--slate);display:none;}
.faq.open .ans{display:block;}
.faq.open .chev{transform:rotate(180deg);}
.chev{transition:.2s;}

/* แดชบอร์ด */
.dash-head{background:linear-gradient(160deg,var(--blue),var(--head));color:#fff;padding:24px 0;}
.dash-head .row{display:flex;align-items:center;gap:12px;}
.dash-head .seal{background:rgba(255,255,255,.16);border-color:var(--gold-2);color:#fff;}
.statbox{padding:18px;border-radius:18px;border:1.5px solid var(--line);background:var(--card);box-shadow:0 5px 14px rgba(23,58,115,.05);}
.statbox .lab{display:flex;align-items:center;gap:8px;color:var(--slate);font-size:13px;font-weight:600;}
.statbox .val{font-size:26px;font-weight:700;margin-top:6px;color:var(--blue);}
.tabs{display:flex;gap:18px;border-bottom:1.5px solid var(--line);margin-bottom:16px;}
.tabbtn{padding:10px 4px;font-weight:600;color:var(--slate);border-bottom:3px solid transparent;font-size:15px;}
.tabbtn.active{color:var(--blue);border-color:var(--blue-2);}
.tabpane{display:none;} .tabpane.active{display:block;}
.scrollx{overflow-x:auto;}
table.tb{width:100%;border-collapse:collapse;font-size:14px;}
table.tb th{text-align:left;color:var(--slate);font-weight:600;font-size:12.5px;padding:10px 12px;border-bottom:1.5px solid var(--line);white-space:nowrap;}
table.tb td{padding:11px 12px;border-bottom:1px solid var(--line);vertical-align:middle;}
table.tb tr:last-child td{border-bottom:none;}
.grid-auto{display:grid;gap:16px;}

/* กราฟ CSS */
.barchart{display:flex;align-items:flex-end;gap:10px;height:200px;padding-top:10px;}
.barchart .col{flex:1;display:flex;flex-direction:column;align-items:center;gap:6px;height:100%;justify-content:flex-end;}
.barchart .bar{width:100%;max-width:34px;background:linear-gradient(180deg,var(--blue-2),var(--blue));border-radius:8px 8px 0 0;}
.barchart .lbl{font-size:12px;color:var(--slate);}
.donut{width:150px;height:150px;border-radius:50%;margin:0 auto;}
.legend{display:flex;gap:16px;justify-content:center;margin-top:12px;font-size:13px;}
.legend i{display:inline-block;width:11px;height:11px;border-radius:3px;margin-right:6px;vertical-align:0;}

/* modal & toast */
.modal-bg{position:fixed;inset:0;background:rgba(23,58,115,.45);z-index:100;display:none;align-items:center;justify-content:center;padding:30px 16px;overflow:auto;}
.modal-bg.open{display:flex;}
.toast{position:fixed;right:18px;bottom:18px;z-index:120;display:flex;flex-direction:column;gap:10px;max-width:340px;}
.toast-item{background:#06C755;color:#fff;border-radius:16px;padding:13px 15px;box-shadow:0 10px 30px rgba(0,0,0,.18);font-size:13.5px;display:flex;gap:8px;align-items:flex-start;animation:pop .25s ease;}
@keyframes pop{from{transform:translateY(10px);opacity:0;}}

.demo-banner{background:var(--g-prem);color:#fff;text-align:center;font-size:12.5px;padding:8px 12px;font-weight:600;}
.seller-cta{background:linear-gradient(135deg,var(--blue),var(--head));color:#fff;padding:28px;display:flex;flex-wrap:wrap;gap:18px;align-items:center;}
.hide-mobile{display:initial;}
@media(max-width:760px){.hide-mobile{display:none!important;}}