/* หัวกระดาษโครงการ (จอ) */
.projbar{background:#fff;border:1px solid #dce3ec;border-radius:12px;padding:10px 14px;display:flex;gap:8px;flex-wrap:wrap;align-items:center;box-shadow:0 1px 3px rgba(16,24,40,.05)}
.projbar .pjlabel{font-weight:600;font-size:.84rem;color:#5b6b80}
.projbar input{font-size:.82rem;border:1px solid #dce3ec;border-radius:7px;padding:5px 8px;width:135px;font-family:inherit}
.projbar #btnPrint{margin-left:auto;background:#c2410c;color:#fff;border:none;border-radius:8px;padding:8px 16px;font-weight:600;cursor:pointer;font-size:.86rem}
.projbar #btnPrint:hover{background:#9a3009}
.printhdr,.printsign{display:none}

@media print{
  body{background:#fff!important}
  .hero{background:#fff!important;color:#000!important;padding:2px 0 6px!important;border-bottom:2px solid #333}
  .hero h1{font-size:1.05rem!important;color:#000!important;margin:0!important}
  .hero p,.chips,.projbar,footer,.warn{display:none!important}
  .printhdr{display:block!important;margin:8px 0}
  .ph-title{font-weight:700;font-size:1rem;margin-bottom:5px}
  .ph-tab{width:100%;border-collapse:collapse;font-size:.8rem}
  .ph-tab td{border:1px solid #bbb;padding:3px 8px}
  .wrap{max-width:100%!important;padding:0!important}
  .grid{display:grid!important;grid-template-columns:1fr 1fr!important;gap:10px!important;margin:8px 0!important}
  .card{box-shadow:none!important;border:1px solid #bbb!important;break-inside:avoid;padding:8px 11px!important;margin:0 0 8px!important}
  .card h3{font-size:.92rem!important}
  .diagram{border:1px solid #ccc!important}
  /* inputs -> plain text */
  input,select{border:none!important;background:transparent!important;color:#000!important;-webkit-appearance:none;appearance:none;padding:0 2px!important;font-weight:700!important;width:auto!important;text-align:left!important;min-width:0!important}
  .inp{font-size:.8rem!important}
  .ovl{border:none!important;color:#23408e!important;font-weight:700!important}
  .step{padding:6px 0!important;break-inside:avoid}
  .result .v{font-size:1.3rem!important}
  .printsign{display:block!important;margin-top:16px;font-size:.82rem}
  .printsign .sgrow{display:flex;justify-content:space-between;margin-top:26px}
  .printsign .sgnote{font-size:.7rem;color:#555;margin-top:10px;border-top:1px solid #ccc;padding-top:5px}
  @page{size:A4;margin:12mm}
}