/* Thai certificate fonts: place the original .ttf files from 14-Thai-Fonts.zip in assets/fonts/ */
@font-face{font-family:'TH Sarabun New';src:local('TH Sarabun New'),url('../fonts/THSarabunNew.ttf') format('truetype');font-weight:400;font-style:normal;font-display:swap}
@font-face{font-family:'TH Sarabun New';src:local('TH Sarabun New Bold'),url('../fonts/THSarabunNew Bold.ttf') format('truetype');font-weight:700;font-style:normal;font-display:swap}
@font-face{font-family:'TH Sarabun';src:local('TH Sarabun'),url('../fonts/THSarabun.ttf') format('truetype');font-weight:400;font-style:normal;font-display:swap}
@font-face{font-family:'TH Sarabun';src:local('TH Sarabun Bold'),url('../fonts/THSarabun Bold.ttf') format('truetype');font-weight:700;font-style:normal;font-display:swap}
@font-face{font-family:'TH Krub';src:local('TH Krub'),url('../fonts/TH Krub.ttf') format('truetype');font-weight:400;font-style:normal;font-display:swap}
@font-face{font-family:'TH Krub';src:local('TH Krub Bold'),url('../fonts/TH Krub Bold.ttf') format('truetype');font-weight:700;font-style:normal;font-display:swap}
@font-face{font-family:'TH KoHo';src:local('TH KoHo'),url('../fonts/TH KoHo.ttf') format('truetype');font-weight:400;font-style:normal;font-display:swap}
@font-face{font-family:'TH KoHo';src:local('TH KoHo Bold'),url('../fonts/TH KoHo Bold.ttf') format('truetype');font-weight:700;font-style:normal;font-display:swap}
@font-face{font-family:'TH Niramit AS';src:local('TH Niramit AS'),url('../fonts/TH Niramit AS.ttf') format('truetype');font-weight:400;font-style:normal;font-display:swap}
@font-face{font-family:'TH Niramit AS';src:local('TH Niramit AS Bold'),url('../fonts/TH Niramit AS Bold.ttf') format('truetype');font-weight:700;font-style:normal;font-display:swap}
@font-face{font-family:'TH Fahkwang';src:local('TH Fahkwang'),url('../fonts/TH Fahkwang.ttf') format('truetype');font-weight:400;font-style:normal;font-display:swap}
@font-face{font-family:'TH Fahkwang';src:local('TH Fahkwang Bold'),url('../fonts/TH Fahkwang Bold.ttf') format('truetype');font-weight:700;font-style:normal;font-display:swap}
@font-face{font-family:'TH Kodchasal';src:local('TH Kodchasal'),url('../fonts/TH Kodchasal.ttf') format('truetype');font-weight:400;font-style:normal;font-display:swap}
@font-face{font-family:'TH Kodchasal';src:local('TH Kodchasal Bold'),url('../fonts/TH Kodchasal Bold.ttf') format('truetype');font-weight:700;font-style:normal;font-display:swap}
@font-face{font-family:'TH Chakra Petch';src:local('TH Chakra Petch'),url('../fonts/TH Chakra Petch.ttf') format('truetype');font-weight:400;font-style:normal;font-display:swap}
@font-face{font-family:'TH Chakra Petch';src:local('TH Chakra Petch Bold'),url('../fonts/TH Chakra Petch Bold.ttf') format('truetype');font-weight:700;font-style:normal;font-display:swap}
@font-face{font-family:'TH K2D July8';src:local('TH K2D July8'),url('../fonts/TH K2D July8.ttf') format('truetype');font-weight:400;font-style:normal;font-display:swap}
@font-face{font-family:'TH K2D July8';src:local('TH K2D July8 Bold'),url('../fonts/TH K2D July8 Bold.ttf') format('truetype');font-weight:700;font-style:normal;font-display:swap}
@font-face{font-family:'TH Mali Grade6';src:local('TH Mali Grade6'),url('../fonts/TH Mali Grade6.ttf') format('truetype');font-weight:400;font-style:normal;font-display:swap}
@font-face{font-family:'TH Mali Grade6';src:local('TH Mali Grade6 Bold'),url('../fonts/TH Mali Grade6 Bold.ttf') format('truetype');font-weight:700;font-style:normal;font-display:swap}
@font-face{font-family:'TH Charmonman';src:local('TH Charmonman'),url('../fonts/TH Charmonman.ttf') format('truetype');font-weight:400;font-style:normal;font-display:swap}
@font-face{font-family:'TH Charmonman';src:local('TH Charmonman Bold'),url('../fonts/TH Charmonman Bold.ttf') format('truetype');font-weight:700;font-style:normal;font-display:swap}
@font-face{font-family:'TH Srisakdi';src:local('TH Srisakdi'),url('../fonts/TH Srisakdi.ttf') format('truetype');font-weight:400;font-style:normal;font-display:swap}
@font-face{font-family:'TH Srisakdi';src:local('TH Srisakdi Bold'),url('../fonts/TH Srisakdi Bold.ttf') format('truetype');font-weight:700;font-style:normal;font-display:swap}
@font-face{font-family:'TH Baijam';src:local('TH Baijam'),url('../fonts/TH Baijam.ttf') format('truetype');font-weight:400;font-style:normal;font-display:swap}
@font-face{font-family:'TH Baijam';src:local('TH Baijam Bold'),url('../fonts/TH Baijam Bold.ttf') format('truetype');font-weight:700;font-style:normal;font-display:swap}
@font-face{font-family:'TH Charm of AU';src:local('TH Charm of AU'),url('../fonts/TH Charm of AU.ttf') format('truetype');font-weight:400;font-style:normal;font-display:swap}
*{box-sizing:border-box}body{margin:0;font-family:Tahoma,Arial,sans-serif;background:#f4f7fb;color:#172033}header{background:#173b67;color:white;padding:14px 5%;display:flex;justify-content:space-between;gap:20px;align-items:center;flex-wrap:wrap}.brand{font-size:20px;font-weight:700}nav{display:flex;gap:12px;flex-wrap:wrap}nav a{color:white;text-decoration:none}.container{max-width:1180px;margin:24px auto;padding:0 16px}.card{background:white;border:1px solid #dce4ee;border-radius:14px;padding:20px;margin-bottom:18px;box-shadow:0 3px 16px #152c4510}.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(190px,1fr));gap:14px}.stat{font-size:30px;font-weight:700}.muted{color:#667085;font-size:14px}input,select,textarea,button{font:inherit}input,select,textarea{width:100%;padding:10px;border:1px solid #cbd5e1;border-radius:8px}.form-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}.full{grid-column:1/-1}label{display:block;font-weight:600;margin-bottom:5px}.btn,button{display:inline-block;border:0;border-radius:8px;padding:10px 14px;background:#173b67;color:white;text-decoration:none;cursor:pointer}.btn.secondary{background:#667085}.btn.danger{background:#b42318}.btn.success{background:#067647}.table-wrap{overflow:auto}table{width:100%;border-collapse:collapse}th,td{padding:10px;border-bottom:1px solid #e5e7eb;text-align:left;white-space:nowrap}.badge{padding:4px 8px;border-radius:20px;background:#e9eff8;font-size:12px}.alert{padding:12px;border-radius:8px;margin-bottom:15px}.alert.success{background:#dcfae6}.alert.error{background:#fee4e2}.actions{display:flex;gap:7px;flex-wrap:wrap}footer{text-align:center;color:#667085;padding:30px}.hero{text-align:center;padding:38px 20px}.hero h1{font-size:34px}.searchbox{max-width:760px;margin:auto}.certificate{position:relative;background:white;aspect-ratio:1.414/1;overflow:hidden;border:1px solid #ddd}.certificate .bg{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}.field{position:absolute;transform:translate(-50%,-50%);text-align:center}.designer{position:relative;aspect-ratio:1.414/1;background:#fff;border:1px solid #aaa;overflow:hidden}.draggable{position:absolute;padding:5px;border:1px dashed #173b67;background:#ffffffcc;cursor:move}@media(max-width:700px){.form-grid{grid-template-columns:1fr}.hero h1{font-size:26px}th,td{font-size:14px}}
@media print{header,footer,.no-print{display:none}.container{max-width:none;margin:0;padding:0}.certificate{border:0;width:297mm;height:210mm}}
.template-thumb{aspect-ratio:1.414/1;overflow:hidden;background:#f8fafc;border:1px solid #e5e7eb;border-radius:8px}.template-thumb img{width:100%;height:100%;object-fit:contain}.designer-layout{display:grid;grid-template-columns:minmax(0,2fr) minmax(320px,1fr);gap:18px;align-items:start}.designer{position:relative;background:#fff;border:1px solid #aaa;overflow:hidden;touch-action:none}.designer.landscape{aspect-ratio:1.414/1}.designer.portrait{aspect-ratio:1/1.414}.designer .bg{position:absolute;inset:0;width:100%;height:100%;object-fit:fill;pointer-events:none}.designer .draggable{transform:translate(-50%,-50%);display:flex;align-items:center;justify-content:center;overflow:hidden;z-index:2;user-select:none}.field-panel{max-height:78vh;overflow:auto}.field-panel details{border-bottom:1px solid #e5e7eb;padding:9px 0}.field-panel summary{cursor:pointer;font-weight:700}.mini-grid{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin-top:10px}.mini-grid input,.mini-grid select{padding:7px}.certificate-page{margin:0;background:#e5e7eb}.cert-toolbar{padding:12px;max-width:1180px;margin:auto}.certificate{position:relative;background:white;overflow:hidden;margin:0 auto;box-shadow:0 2px 18px #0002}.certificate.landscape{width:min(100vw,1122px);aspect-ratio:1.414/1}.certificate.portrait{height:min(calc(100vh - 70px),1122px);aspect-ratio:1/1.414}.certificate .bg{position:absolute;inset:0;width:100%;height:100%;object-fit:fill}.cert-field{position:absolute;transform:translate(-50%,-50%);display:flex;align-items:center;justify-content:center;overflow:visible;z-index:2;padding:2px;white-space:normal}.cert-recipient_name{white-space:nowrap}.cert-qr{display:flex;flex-direction:column}.cert-qr #qr > img:not(.qr-center-logo),.cert-qr #qr > canvas{max-width:100%;height:auto!important}.signature-img{max-width:100%;max-height:100%;object-fit:contain}@media(max-width:900px){.designer-layout{grid-template-columns:1fr}.field-panel{max-height:none}}@media print{.certificate-page{background:#fff}.certificate.landscape{width:297mm;height:210mm}.certificate.portrait{width:210mm;height:297mm}.certificate{box-shadow:none;margin:0}.cert-toolbar{display:none!important}}

.field-toggle{display:flex;align-items:center;gap:8px;background:#f8fafc;padding:8px;border-radius:8px}.field-toggle input{width:auto}.designer .draggable.field-hidden{opacity:.18;border-style:dotted}.designer .draggable.field-hidden:after{content:'ซ่อน';position:absolute;font-size:11px;background:#fff;padding:1px 4px;border-radius:4px}
.training-menu{display:flex;gap:8px;flex-wrap:wrap;margin:0 0 18px}.training-menu a{padding:8px 11px;border-radius:8px;background:#e9eff8;color:#173b67;text-decoration:none}.risk-GREEN{background:#dcfae6;color:#067647}.risk-YELLOW{background:#fef0c7;color:#b54708}.risk-RED{background:#fee4e2;color:#b42318}.timeline{border-left:3px solid #dce4ee;padding-left:18px}.timeline-item{position:relative;margin:0 0 14px}.timeline-item:before{content:'';position:absolute;width:9px;height:9px;border-radius:50%;background:#173b67;left:-24px;top:5px}.exam-choice{display:flex;gap:9px;align-items:flex-start;padding:9px;border:1px solid #e5e7eb;border-radius:8px;margin:6px 0}.exam-choice input{width:auto;margin-top:3px}.progress{height:10px;background:#e5e7eb;border-radius:10px;overflow:hidden}.progress>span{display:block;height:100%;background:#067647}@media(max-width:700px){.training-menu a{flex:1 1 45%;text-align:center}.actions form{width:100%}}

/* V15 proportional certificate/template rendering */
.designer .bg{object-fit:contain!important;background:#fff}
.certificate .bg{object-fit:contain!important;background:#fff}


/* V16: uploaded certificate fills the designer workspace at its true aspect ratio */
.designer-page-wide{width:min(1600px,calc(100vw - 32px));margin-left:50%;transform:translateX(-50%)}
.designer-page-wide .designer-layout{grid-template-columns:minmax(0,1fr) 340px;gap:16px;align-items:start}
.designer-page-wide .designer{width:100%;max-width:none;height:auto;margin:0;background:#fff}
.designer-page-wide .designer .bg{width:100%!important;height:100%!important;inset:0!important;object-fit:fill!important;display:block!important}
.designer-page-wide .field-panel{position:sticky;top:12px;max-height:calc(100vh - 24px);overflow:auto}
@media(max-width:1050px){.designer-page-wide{width:100%;margin-left:0;transform:none}.designer-page-wide .designer-layout{grid-template-columns:1fr}.designer-page-wide .field-panel{position:static;max-height:none}}


/* V17 Visual Template Designer */
.template-filebar{display:grid;grid-template-columns:auto minmax(280px,1fr) auto auto;gap:12px;align-items:center;background:#fff;border:1px solid #dce4ee;border-radius:12px;padding:12px 14px;margin:12px 0 16px;box-shadow:0 2px 10px #152c4510}
.template-filebar input[type=file]{padding:7px;background:#fff}.autofit-ok{background:#dcfae6;color:#067647;padding:9px 12px;border-radius:8px;font-weight:700;white-space:nowrap}
.designer-page-wide .designer{box-shadow:0 2px 14px #0002;border-radius:4px}.designer-page-wide .designer .bg{object-fit:fill!important}
.field-panel details summary{display:flex;align-items:center;justify-content:space-between;gap:10px}.summary-toggle{display:flex!important;align-items:center;gap:5px;font-size:13px;font-weight:500;margin:0!important;white-space:nowrap}.summary-toggle input{width:auto!important;margin:0}.designer .draggable{min-width:28px;min-height:22px}
@media(max-width:1150px){.template-filebar{grid-template-columns:1fr}.autofit-ok{white-space:normal}}

/* V18 QR logo */
.qr-logo-bar{flex-wrap:wrap}.qr-logo-preview{width:46px;height:46px;object-fit:contain;border:1px solid #d0d5dd;border-radius:8px;background:#fff;padding:3px}.cert-qr #qr{width:100%;height:100%;display:flex;align-items:center;justify-content:center}.cert-qr #qr > canvas,.cert-qr #qr > img:not(.qr-center-logo){width:100%!important;height:100%!important;max-width:100%!important;max-height:100%!important;object-fit:contain}.cert-qr #qr .qr-center-logo{width:auto!important;height:auto!important;max-width:25%!important;max-height:25%!important}

/* Responsive UI upgrade: mobile / tablet / desktop */
html{-webkit-text-size-adjust:100%}body{min-width:0;overflow-x:hidden}img,svg,video,canvas{max-width:100%;height:auto}.container{width:min(100% - 24px,1180px);padding:0;margin:24px auto}.card{min-width:0}.form-grid>*{min-width:0}.actions>*{max-width:100%}
@media(max-width:1024px){header{padding:12px 18px}.container{width:calc(100% - 24px);margin:18px auto}.card{padding:16px}.hero{padding:26px 12px}.hero h1{font-size:30px}.searchbox{max-width:100%}.grid{grid-template-columns:repeat(auto-fit,minmax(170px,1fr))}nav{gap:8px}nav a{padding:6px 4px}.certificate.landscape{width:min(calc(100vw - 24px),1122px)}.cert-toolbar{width:100%;padding:10px 12px}.cert-toolbar .btn,.cert-toolbar button{margin-bottom:6px}}
@media(max-width:768px){header{align-items:flex-start}.brand{font-size:18px}nav{width:100%;overflow-x:auto;flex-wrap:nowrap;padding-bottom:4px;-webkit-overflow-scrolling:touch}nav a{flex:0 0 auto;white-space:nowrap;background:#ffffff12;border-radius:7px;padding:7px 9px}.container{width:calc(100% - 16px);margin:12px auto}.card{padding:14px;border-radius:11px}.hero{padding:20px 8px}.hero h1{font-size:24px;margin-top:8px}.form-grid{grid-template-columns:1fr}.grid{grid-template-columns:1fr}.btn,button{min-height:42px}.actions{gap:6px}.actions .btn,.actions button,.actions form{flex:1 1 auto}.table-wrap{width:100%;overflow-x:auto;-webkit-overflow-scrolling:touch;border-radius:8px}.table-wrap table{min-width:720px}th,td{font-size:13px;padding:8px}.searchbox .form-grid{gap:10px}.training-menu{overflow-x:auto;flex-wrap:nowrap;-webkit-overflow-scrolling:touch}.training-menu a{flex:0 0 auto}.certificate-page{overflow-x:hidden}.cert-toolbar{display:flex;gap:6px;flex-wrap:wrap}.cert-toolbar .btn,.cert-toolbar button{flex:1 1 145px;text-align:center}.certificate.landscape{width:calc(100vw - 12px);max-width:none}.certificate.portrait{width:min(calc(100vw - 12px),595px);height:auto}.cert-field{line-height:1.2}.designer-layout{display:block}.field-panel{margin-top:12px}.designer{width:100%;max-width:100%}.mini-grid{grid-template-columns:1fr 1fr}}
@media(max-width:480px){header{padding:10px 8px}.container{width:calc(100% - 12px);margin:8px auto}.card{padding:12px}.hero h1{font-size:21px}.muted{font-size:12px}input,select,textarea{font-size:16px;padding:10px 9px}.btn,button{font-size:14px;padding:9px 10px}.actions .btn,.actions button,.actions form{flex:1 1 100%}.mini-grid{grid-template-columns:1fr}.certificate.landscape{width:calc(100vw - 6px)}.cert-toolbar{padding:7px 6px}.cert-toolbar .btn,.cert-toolbar button{flex:1 1 calc(50% - 6px);font-size:13px}.template-thumb{min-height:0}.stat{font-size:25px}}


/* Returning participant form: keep both inputs perfectly aligned on tablet/desktop. */
.identity-grid{align-items:stretch}
.identity-grid>div{display:flex;flex-direction:column;min-width:0}
.identity-grid label{min-height:42px;display:flex;align-items:flex-end;line-height:1.25;margin-bottom:7px}
.identity-grid input{height:42px;min-height:42px}
@media(max-width:700px){
  .identity-grid label{min-height:0;display:block;margin-bottom:5px}
  .identity-grid input{height:44px;min-height:44px}
}