/* ProshnoMaker OMR v2 — A4 sheet (794x1123px = 210x297mm @96dpi) + settings panel */
.omr-wrap{max-width:1320px}
.omr-hero{display:flex;justify-content:space-between;gap:18px;align-items:center;background:linear-gradient(135deg,#073b63,#0a6d62);color:#fff;border-radius:18px;padding:22px}
.omr-hero h1{margin:0 0 6px}.omr-hero p{margin:0;color:#e8f7f5}
.omr-tabs{display:flex;gap:8px;overflow:auto;margin:16px 0}
.omr-tab{border:1px solid #d8e1e7;background:#fff;border-radius:10px;padding:10px 14px;cursor:pointer;white-space:nowrap;font-family:inherit}
.omr-tab.active{background:#07558a;color:#fff;border-color:#07558a}
.omr-panel{display:none}.omr-panel.active{display:block}
.omr-grid2{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.omr-card{background:#fff;border:1px solid #e4e9ed;border-radius:15px;padding:18px;box-shadow:0 3px 14px rgba(20,50,70,.05)}
.omr-card h2,.omr-card h3{margin-top:0}
.omr-form{display:grid;gap:12px}
.omr-form label{display:grid;gap:6px;font-weight:600}
.omr-form input,.omr-form select{width:100%}
.key-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:7px}
.key-cell{border:1px solid #dbe2e7;border-radius:9px;padding:7px;background:#fafcfd}
.key-cell b{display:block;font-size:12px;margin-bottom:4px}.key-cell select{padding:5px}
.feature-list{display:grid;grid-template-columns:repeat(2,1fr);gap:9px}
.feature{padding:11px;border-radius:10px;background:#f5faf8;border:1px solid #dcefe8}
.result-box{display:grid;grid-template-columns:repeat(3,1fr);gap:8px}
.result-stat{background:#f5f8fa;border-radius:10px;padding:12px;text-align:center}.result-stat b{display:block;font-size:20px}
.scan-zone{border:2px dashed #b7c5cf;border-radius:14px;padding:25px;text-align:center;background:#fbfcfd}.scan-zone input{margin-top:10px}
.detected-list{max-height:320px;overflow:auto}
.det-row{display:grid;grid-template-columns:55px 1fr 1fr 1fr;gap:6px;padding:7px;border-bottom:1px solid #eee;font-size:13px}
.ok{color:#087f51}.warn{color:#a56300}.bad{color:#b42318}
.small-muted{font-size:12px;color:#697782}
.saved-row{display:flex;justify-content:space-between;gap:10px;align-items:center;border-bottom:1px solid #edf0f2;padding:10px 0}.saved-row:last-child{border-bottom:0}
.omr-batch-tools{display:flex;justify-content:space-between;gap:8px;flex-wrap:wrap;margin-top:10px;padding:10px 12px;border-radius:10px;background:#f6fafc;border:1px solid #e3ebef;font-size:12px;color:#63717a}
.quality-box{margin-top:10px;padding:10px 12px;border-radius:10px;background:#f8fafb;border:1px solid #e5eaee;font-size:13px;line-height:1.7}
.batch-table{width:100%;border-collapse:collapse;margin-top:10px}
.batch-table th,.batch-table td{padding:8px;border-bottom:1px solid #edf0f2;text-align:left;font-size:12px}.batch-table th{background:#f6f8fa}
.omr-help{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-bottom:14px}
.help-step{background:#fff;border:1px solid #e4e9ed;border-radius:12px;padding:12px}

/* ---------- Create tab: preview + settings sidebar (EPB-style) ---------- */
.omr-studio{display:grid;grid-template-columns:minmax(0,1fr) 340px;gap:16px;align-items:start}
.omr-stage{background:#e3e8ec;border-radius:14px;padding:18px;overflow:hidden}
.omr-scale-box{margin:0 auto;position:relative}
.omr-scale-box>.omr-sheet{transform-origin:top left;box-shadow:0 8px 30px rgba(0,0,0,.18)}
.omr-side{background:#fff;border:1px solid #e4e9ed;border-radius:15px;padding:14px;position:sticky;top:70px;max-height:calc(100vh - 90px);overflow:auto}
.omr-side h4{margin:0 0 8px;font-size:15px}
.omr-side .sec{background:#f3f5f7;border-radius:10px;padding:12px;margin:10px 0}
.omr-side .sec>label,.omr-side .lbl{display:block;font-size:13px;font-weight:600;color:#4b5864;margin-bottom:7px}
.omr-side .row{display:flex;align-items:center;gap:8px;margin-top:8px;font-size:12px}
.omr-side .row input[type=range]{flex:1}
.omr-side .row b{min-width:22px;text-align:right}
.omr-side .input{padding:8px 10px}
.chips{display:flex;gap:6px;flex-wrap:wrap}
.chip{border:1px solid #cfd8df;background:#fff;border-radius:7px;padding:7px 12px;font-size:13px;cursor:pointer;font-family:inherit}
.chip.on{background:#07558a;border-color:#07558a;color:#fff}
.swatches{display:grid;grid-template-columns:repeat(5,1fr);gap:7px}
.swatch{height:34px;border-radius:7px;border:3px solid transparent;cursor:pointer;opacity:.78;padding:0}
.swatch.on{border-color:#17212b;opacity:1}
.tpl-row{display:grid;grid-template-columns:1fr 1fr;gap:8px}
.tpl{border:2px solid #dfe6ec;border-radius:9px;padding:6px;cursor:pointer;background:#fff;text-align:center;font-size:12px;font-weight:600}
.tpl.on{border-color:#07558a;box-shadow:0 0 0 2px rgba(7,85,138,.15)}
.tpl svg{width:100%;height:auto;display:block;margin-bottom:4px}
.scan-ok{border:1px solid #34c38f;background:#effcf6;color:#0a7a52;border-radius:9px;padding:9px;text-align:center;font-size:13px;margin-top:10px}
.omr-side .dl{width:100%;background:#09a66b;color:#fff;border:0;border-radius:8px;padding:11px;font-size:15px;font-weight:700;cursor:pointer;font-family:inherit}
.omr-mobile-bar{display:none;gap:8px;margin-bottom:10px}
.omr-mobile-bar .btn{flex:1}

/* ---------- The A4 sheet (absolute-positioned; coordinates come from omr.js layout()) ---------- */
.omr-sheet{width:794px;height:1123px;background:#fff;color:#000;position:relative;overflow:hidden;font-family:"SolaimanLipi","Noto Sans Bengali",Arial,sans-serif;-webkit-print-color-adjust:exact;print-color-adjust:exact;--t:#f43f5e;--tint:#fde0e5}
.omr-sheet *{box-sizing:border-box}
.omr-sheet .a{position:absolute}
.omr-sheet .mk{position:absolute;width:36px;height:36px}
.omr-sheet .tx{position:absolute;white-space:nowrap;line-height:1}
.omr-sheet .c{text-align:center}
.omr-sheet .bd{border:1px solid #000}
.omr-sheet .bt{border-top:1px solid #000}.omr-sheet .bb{border-bottom:1px solid #000}
.omr-sheet .br{border-right:1px solid #000}.omr-sheet .bl{border-left:1px solid #000}
.omr-sheet .tint{background:var(--tint)}
.omr-sheet .solid{background:var(--t);color:#fff}
.omr-sheet .bub{position:absolute;border:1.2px solid #000;border-radius:50%;display:flex;align-items:center;justify-content:center;color:#000;line-height:1;background:#fff}
.omr-sheet .blk{position:absolute;background:#000}
.omr-sheet .ring{position:absolute;border:1.5px solid #000;border-radius:50%;background:#fff}
.omr-sheet .line{position:absolute;border-bottom:1px solid #000}
.omr-sheet .rules{position:absolute;font-size:10.5px;line-height:1.3;text-align:justify;color:#000}
.omr-sheet .wrap{white-space:normal}

/* print: only the sheet, exactly one A4 page */
#omrPrintRoot{display:none}
@media print{
  @page{size:A4;margin:0}
  html,body{background:#fff!important;margin:0!important;padding:0!important}
  body>*:not(#omrPrintRoot){display:none!important}
  #omrPrintRoot{display:block!important;position:static}
  #omrPrintRoot .omr-sheet{box-shadow:none!important;margin:0!important;transform:none!important;page-break-after:avoid}
  .omr-result-print{display:block!important;padding:18mm;font-family:"SolaimanLipi",Arial,sans-serif;color:#111}
}
.omr-result-print{display:none}
.omr-result-print h2{margin:0 0 6px}
.omr-result-print table{width:100%;border-collapse:collapse;margin-top:10px;font-size:12px}
.omr-result-print th,.omr-result-print td{border:1px solid #999;padding:4px 6px;text-align:left}

@media(max-width:1000px){
  .omr-studio{grid-template-columns:1fr}
  .omr-side{position:static;max-height:none;display:none}
  .omr-side.open{display:block}
  .omr-mobile-bar{display:flex}
  .omr-stage{padding:8px}
}
@media(max-width:800px){
  .omr-grid2{grid-template-columns:1fr}.feature-list{grid-template-columns:1fr}.key-grid{grid-template-columns:repeat(3,1fr)}
  .omr-hero{display:block}.omr-help{grid-template-columns:1fr}.result-box{grid-template-columns:repeat(2,1fr)}
}

.omr-side details{background:#fff;border:1px solid #e4e9ed;border-radius:10px;padding:10px 12px;margin:10px 0}.omr-side summary{cursor:pointer;font-weight:700;font-size:14px}
.omr-side .lbl2{display:block;font-size:12px;font-weight:600;color:#4b5864;margin:10px 0 4px}.omr-side textarea.input{width:100%;font-family:inherit;resize:vertical}
.det-row{align-items:center}.det-row select{padding:3px 4px;font-family:inherit;border:1px solid #d5dde3;border-radius:6px;background:#fff}.det-row.dbt{background:#fff8e6}.det-row select.ok{color:#087f51}.det-row select.bad{color:#b42318}.det-row select.warn{color:#a56300}
.batch-table td.warn{font-size:11px;max-width:220px}