@media screen{#print-root{position:absolute;left:-9999px;top:0;width:210mm}:root[data-print-orientation=landscape] #print-root{width:277mm}}@media print{@page{size:210mm 297mm portrait;margin:10mm}html{font-size:12pt!important;line-height:1.4!important}html,body{width:190mm!important;min-width:190mm!important;max-width:190mm!important;margin:0!important;padding:0!important;background:#fff!important;background-image:none!important;color-scheme:light!important;overflow:visible!important;-webkit-text-size-adjust:100%!important;text-size-adjust:100%!important;transform:none!important;zoom:1!important}#print-root,#print-root *{transform:none!important;zoom:1!important;-webkit-text-size-adjust:100%!important;text-size-adjust:100%!important}body>*:not(#print-root){display:none!important}#print-root{position:static!important;left:auto!important;top:auto!important;width:190mm!important;max-width:190mm!important;display:block!important;-webkit-hyphens:none!important;hyphens:none!important}.print-sheet{width:190mm!important;max-width:190mm!important}.sudoku-board-wrap{break-inside:avoid!important;page-break-inside:avoid!important}#print-root,#print-root *{-webkit-print-color-adjust:exact!important;print-color-adjust:exact!important}:root[data-print-orientation=landscape] html,:root[data-print-orientation=landscape] body{width:277mm!important;min-width:277mm!important;max-width:277mm!important}:root[data-print-orientation=landscape] #print-root{width:277mm!important;max-width:277mm!important}:root[data-print-orientation=landscape] .print-sheet{width:277mm!important;max-width:277mm!important;min-height:170mm!important;max-height:182mm!important}}.print-sheet{page-break-after:always;break-after:page;box-sizing:border-box;display:flex;flex-direction:column;width:100%;overflow:hidden;padding-inline:3mm;padding-top:2mm;padding-bottom:3mm}@media screen{#print-root .print-sheet{min-height:272mm}:root[data-print-orientation=landscape] #print-root .print-sheet{min-height:184mm}}@media print{.print-sheet{min-height:250mm!important;max-height:270mm!important}}.print-sheet:last-child{page-break-after:auto;break-after:auto}.print-sheet-main{flex:1 1 auto;min-height:0;min-width:0;display:flex;flex-direction:column;justify-content:center;align-items:center;width:100%;overflow:visible}.print-sheet-footer{align-self:stretch;flex-shrink:0;margin-top:1.5mm;padding-top:1.2mm;border-top:1px solid #bbb;font-size:7.4pt;line-height:1.35;text-align:center;color:#444;break-inside:avoid}@media print{.print-sheet-footer{break-before:avoid;page-break-before:avoid}}.print-grid-layout{display:grid;width:100%;max-width:100%;gap:2mm 3mm;align-content:center;justify-content:center;justify-items:center;align-items:center}.print-grid-layout.per-1{grid-template-columns:1fr}.print-grid-layout.per-2{grid-template-columns:1fr 1fr}.print-grid-layout.per-4{grid-template-columns:1fr 1fr;grid-template-rows:auto auto}.print-grid-layout.per-6{grid-template-columns:1fr 1fr;grid-template-rows:repeat(3,auto)}.print-grid-layout.per-8{grid-template-columns:1fr 1fr;grid-template-rows:repeat(4,auto);gap:1mm 2mm}.sudoku-wrap{display:flex;flex-direction:column;align-items:center;width:100%;max-width:100%;min-height:min-content;break-inside:avoid;page-break-inside:avoid}.sudoku-caption{font-size:7.8pt;font-weight:600;margin-bottom:.6mm;color:#222;text-align:center;width:100%}.print-grid-layout.per-8 .sudoku-caption{font-size:7pt;margin-bottom:.3mm;line-height:1.2}.sudoku-wrap--placeholder{pointer-events:none}.sudoku-caption--placeholder{visibility:hidden;width:100%;text-align:center;font-size:7.8pt;font-weight:600;margin-bottom:.6mm;line-height:1.2;min-height:1.2em;color:transparent}.print-grid-layout.per-8 .sudoku-caption--placeholder{font-size:7pt;margin-bottom:.3mm}.sudoku-board-wrap{position:relative;width:min(var(--sudoku-side),100%);max-width:100%;margin-inline:auto;flex-shrink:0}.sudoku-board-wrap:before{content:"";display:block;padding-bottom:100%}.sudoku-board{position:absolute;left:0;top:0;width:100%;height:100%;box-sizing:border-box;display:grid;grid-template-columns:repeat(9,minmax(0,1fr));grid-template-rows:repeat(9,minmax(0,1fr));border:2px solid #333}.sudoku-cell{box-sizing:border-box;border-right:1px solid #333;border-bottom:1px solid #333;display:flex;align-items:center;justify-content:center;font-weight:600;min-width:0;min-height:0;overflow:hidden;font-size:clamp(1.5mm,calc(var(--sudoku-side) * .09),4.2mm)}.sudoku-cell-thick-r{border-right-width:2px}.sudoku-cell-thick-b{border-bottom-width:2px}.sudoku-cell.given{color:#000}.sudoku-cell.empty{color:transparent}.sudoku-board-wrap--placeholder .sudoku-board-fill{position:absolute;left:0;top:0;width:100%;height:100%;box-sizing:border-box;border:1px solid transparent}.print-grid-layout.auto-cells-1{--sudoku-side: 168mm}.print-grid-layout.auto-cells-2,.print-grid-layout.auto-cells-4{--sudoku-side: 90mm}.print-grid-layout.auto-cells-6{--sudoku-side: 78mm}.print-grid-layout.auto-cells-8{--sudoku-side: 47mm}.answers-block:has(>h2) .print-grid-layout.auto-cells-1{--sudoku-side: 152mm}.answers-block:has(>h2) .print-grid-layout.auto-cells-2{--sudoku-side: 84mm}.answers-block:has(>h2) .print-grid-layout.auto-cells-4{--sudoku-side: 84mm}.answers-block:has(>h2) .print-grid-layout.auto-cells-6{--sudoku-side: 72mm}.answers-block:has(>h2) .print-grid-layout.auto-cells-8{--sudoku-side: 42mm}.answers-block{margin-top:4mm}.answers-block h2{margin:0 0 1.5mm;font-size:10.8pt;font-weight:700;text-align:center;width:100%;flex-shrink:0}.print-grid-layout.orient-landscape.per-1{grid-template-columns:1fr}.print-grid-layout.orient-landscape.per-2{grid-template-columns:1fr 1fr}.print-grid-layout.orient-landscape.per-4{grid-template-columns:1fr 1fr;grid-template-rows:auto auto}.print-grid-layout.orient-landscape.per-6{grid-template-columns:repeat(3,1fr);grid-template-rows:auto auto}.print-grid-layout.orient-landscape.per-8{grid-template-columns:repeat(4,1fr);grid-template-rows:auto auto;gap:1mm 2mm}.print-grid-layout.orient-landscape.auto-cells-1{--sudoku-side: 150mm}.print-grid-layout.orient-landscape.auto-cells-2{--sudoku-side: 130mm}.print-grid-layout.orient-landscape.auto-cells-4,.print-grid-layout.orient-landscape.auto-cells-6{--sudoku-side: 72mm}.print-grid-layout.orient-landscape.auto-cells-8{--sudoku-side: 62mm}.answers-block:has(>h2) .print-grid-layout.orient-landscape.auto-cells-1{--sudoku-side: 140mm}.answers-block:has(>h2) .print-grid-layout.orient-landscape.auto-cells-2{--sudoku-side: 124mm}.answers-block:has(>h2) .print-grid-layout.orient-landscape.auto-cells-4{--sudoku-side: 66mm}.answers-block:has(>h2) .print-grid-layout.orient-landscape.auto-cells-6{--sudoku-side: 66mm}.answers-block:has(>h2) .print-grid-layout.orient-landscape.auto-cells-8{--sudoku-side: 58mm}:root{color-scheme:light;--ink: #0c1222;--ink-muted: #4a5568;--paper: #fafbfc;--surface: #ffffff;--line: #e2e8f0;--accent: #0d9488;--accent-hover: #0f766e;--accent-soft: rgba(13, 148, 136, .12);--grid-bg: rgba(13, 148, 136, .06);--shadow: 0 4px 24px rgba(12, 18, 34, .06);--radius: 14px;--radius-sm: 10px;--font: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;--font-ar: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif}html[lang=ar] body{font-family:var(--font-ar)}*,*:before,*:after{box-sizing:border-box}body{margin:0;min-height:100vh;font-family:var(--font);line-height:1.5;color:var(--ink);background-color:var(--paper);background-image:linear-gradient(135deg,var(--grid-bg) 0%,transparent 42%),linear-gradient(var(--line) 1px,transparent 1px),linear-gradient(90deg,var(--line) 1px,transparent 1px);background-size:100% 100%,28px 28px,28px 28px;background-position:0 0,0 0,0 0}.app-shell{max-width:42rem;margin:0 auto;padding:0 1.25rem 2.5rem}.hero{padding:1.75rem 0 1.25rem;border-bottom:1px solid var(--line);margin-bottom:1.5rem}.hero-top{display:flex;flex-wrap:wrap;align-items:flex-start;justify-content:space-between;gap:1.25rem}html[dir=rtl] .hero-top{flex-direction:row-reverse}.brand-block{display:flex;align-items:center;gap:1rem;min-width:0}.grid-mark{display:grid;grid-template-columns:repeat(3,1fr);grid-template-rows:repeat(3,1fr);gap:3px;width:3.25rem;height:3.25rem;padding:4px;border-radius:var(--radius-sm);background:var(--surface);box-shadow:var(--shadow);border:1px solid var(--line);flex-shrink:0}.grid-mark-cell{border-radius:3px;background:linear-gradient(145deg,var(--accent-soft),transparent);border:1px solid rgba(13,148,136,.25)}.grid-mark-cell:nth-child(5){background:var(--accent);border-color:var(--accent-hover);opacity:.92}.brand-text{min-width:0}.brand-title{margin:0;font-size:clamp(1.65rem,4vw,2rem);font-weight:700;letter-spacing:-.03em;color:var(--ink)}.brand-tagline{margin:.35rem 0 0;font-size:.9rem;font-weight:400;color:var(--ink-muted);max-width:28rem;line-height:1.45}.lang-wrap{flex-shrink:0}.lang-label{display:flex;flex-direction:column;gap:.25rem;margin:0;font-size:.75rem;font-weight:600;color:var(--ink-muted)}.lang-select{min-width:10.5rem;padding:.45rem .65rem;border:1px solid var(--line);border-radius:var(--radius-sm);background:var(--surface);font-family:inherit;font-size:.875rem;font-weight:500;color:var(--ink);cursor:pointer;box-shadow:0 1px 2px #0c12220a}.lang-select:focus-visible{outline:2px solid var(--accent);outline-offset:2px}.main-content{display:flex;flex-direction:column;gap:1.25rem}.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:1.35rem 1.4rem;box-shadow:var(--shadow)}.card-preview{border-style:dashed;border-color:#0d948859;background:linear-gradient(180deg,rgba(13,148,136,.04),var(--surface))}.panel-title{margin:0 0 1.1rem;font-size:.8rem;font-weight:700;text-transform:uppercase;letter-spacing:.06em;color:var(--accent-hover)}.form-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(11.5rem,1fr));gap:1rem 1.1rem;align-items:end}.field{display:flex;flex-direction:column;gap:.4rem;margin:0;font-size:.8rem;font-weight:600;color:var(--ink-muted)}.label-text{margin:0}.checkbox-field{flex-direction:row;align-items:center;flex-wrap:wrap;gap:.55rem;padding-top:.35rem}.checkbox-field input{width:1.05rem;height:1.05rem;accent-color:var(--accent);cursor:pointer}input[type=number],select{padding:.5rem .65rem;border:1px solid var(--line);border-radius:var(--radius-sm);font-size:.95rem;font-family:inherit;background:var(--surface);color:var(--ink);width:100%;transition:border-color .15s ease,box-shadow .15s ease}input[type=number]:focus-visible,select:focus-visible{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-soft)}.field-hint{font-weight:400;font-size:.72rem;color:var(--ink-muted);line-height:1.35;margin-top:.1rem}.actions{display:flex;flex-wrap:wrap;gap:.65rem;margin-top:1.2rem}.btn{cursor:pointer;border:none;border-radius:var(--radius-sm);padding:.6rem 1.15rem;font-size:.9rem;font-weight:600;font-family:inherit;transition:background .15s ease,transform .1s ease,box-shadow .15s ease}.btn:active:not(:disabled){transform:scale(.98)}.btn-primary{background:linear-gradient(165deg,var(--accent) 0%,var(--accent-hover) 100%);color:#fff;box-shadow:0 2px 12px #0d948859}.btn-primary:hover:not(:disabled){box-shadow:0 4px 16px #0d948873}.btn-ghost{background:var(--surface);color:var(--ink);border:1px solid var(--line)}.btn-ghost:hover:not(:disabled){border-color:var(--accent);color:var(--accent-hover);background:var(--accent-soft)}.btn:disabled{opacity:.5;cursor:not-allowed;box-shadow:none}.btn:focus-visible{outline:2px solid var(--accent);outline-offset:2px}.progress-wrap{margin-top:1rem;padding-top:1rem;border-top:1px dashed var(--line)}.progress-hint{margin:0 0 .65rem;font-size:.75rem;color:var(--ink-muted);line-height:1.4}.progress-head{display:flex;flex-wrap:wrap;align-items:baseline;justify-content:space-between;gap:.5rem 1rem;margin-bottom:.45rem}html[dir=rtl] .progress-head{flex-direction:row-reverse}.progress-label{font-size:.85rem;font-weight:600;color:var(--ink)}.progress-eta{font-size:.8rem;font-weight:500;color:var(--accent-hover);font-variant-numeric:tabular-nums}.progress-track{display:block;width:100%;height:8px;border:0;border-radius:999px;background:var(--line);overflow:hidden;-webkit-appearance:none;-moz-appearance:none;appearance:none}.progress-track::-webkit-progress-bar{background:var(--line);border-radius:999px}.progress-track::-webkit-progress-value{border-radius:999px;background:linear-gradient(90deg,var(--accent),var(--accent-hover));transition:width .2s ease-out}.progress-track::-moz-progress-bar{border-radius:999px;background:linear-gradient(90deg,var(--accent),var(--accent-hover))}.status{margin-top:.85rem;font-size:.875rem;color:var(--accent-hover);min-height:1.35rem;font-weight:500}.status.error{color:#b91c1c}.note{font-size:.82rem;color:var(--ink-muted);margin-top:.85rem;line-height:1.45}.preview-hint{font-size:.85rem;color:var(--ink-muted);margin:0 0 .85rem}.preview-canvas{overflow:auto}#preview-one{display:flex;justify-content:center}#preview-one .preview-sample{--sudoku-side: min(86mm, 100%);width:100%;max-width:86mm;margin-inline:auto}#preview-one .preview-sample .sudoku-caption{font-size:.9rem;margin-bottom:.5rem}.content-shell{max-width:42rem;margin:0 auto;padding:0 1.25rem 2.5rem}.content-header{display:flex;align-items:center;justify-content:space-between;gap:1rem;padding:1.5rem 0 1.25rem;border-bottom:1px solid var(--line);margin-bottom:1.5rem;flex-wrap:wrap}.content-brand{display:inline-flex;align-items:center;gap:.75rem;color:var(--ink);text-decoration:none;font-weight:700;font-size:1.05rem;letter-spacing:-.02em;border-radius:var(--radius-sm)}.content-brand:hover{color:var(--accent-hover)}.content-brand:focus-visible{outline:2px solid var(--accent);outline-offset:3px}.content-brand .grid-mark{width:2.25rem;height:2.25rem;padding:3px;gap:2px}.content-lang-wrap{flex-shrink:0}.content-main{display:flex;flex-direction:column;gap:1.25rem}.content-page-title{margin:0 0 .4rem;font-size:clamp(1.5rem,3.5vw,1.85rem);font-weight:700;letter-spacing:-.025em;color:var(--ink)}.content-lead{margin:0 0 1rem;font-size:.98rem;color:var(--ink-muted);line-height:1.5}.content-prose p{margin:0 0 .85rem;font-size:.92rem;line-height:1.6;color:var(--ink)}.content-prose p:last-child{margin-bottom:0}.content-meta{margin:0 0 1rem;font-size:.8rem;color:var(--ink-muted)}.content-footer{margin-top:2rem;padding:1.25rem 0 0;border-top:1px solid var(--line);display:flex;flex-direction:column;gap:.85rem}.content-footer-nav{display:flex;flex-wrap:wrap;gap:.5rem 1.1rem;font-size:.85rem}.content-footer-nav a{color:var(--ink-muted);text-decoration:none;font-weight:500;padding:.2rem 0;border-radius:2px}.content-footer-nav a:hover{color:var(--accent-hover)}.content-footer-nav a:focus-visible{outline:2px solid var(--accent);outline-offset:2px}.content-footer-nav a.is-active{color:var(--accent-hover);font-weight:600}.content-footer-meta{display:flex;justify-content:space-between;flex-wrap:wrap;gap:.35rem 1rem;font-size:.78rem;color:var(--ink-muted)}.info-card{padding:1.35rem 1.4rem}.info-title{margin:0 0 .85rem;font-size:1rem;font-weight:700;letter-spacing:-.01em;color:var(--ink)}.info-list{margin:0;padding-inline-start:1.2rem;display:flex;flex-direction:column;gap:.35rem;font-size:.88rem;color:var(--ink);line-height:1.5}.info-list li{padding-inline-start:.15rem}.info-bullets{list-style:disc}.info-steps{list-style:decimal}.info-faq{margin:0;font-size:.88rem;line-height:1.5;color:var(--ink)}.info-faq dt{margin:0;font-weight:600;color:var(--ink)}.info-faq dt+dd{margin:.25rem 0 0}.info-faq dd+dt{margin-top:.85rem}.info-faq dd{margin:0;color:var(--ink-muted)}.skip-link{position:absolute;left:-9999px;top:0;z-index:1000;padding:.6rem 1.15rem;background:var(--accent);color:#fff;font-weight:600;font-size:.9rem;border-radius:0 0 var(--radius-sm) var(--radius-sm);text-decoration:none}.skip-link:focus{left:50%;transform:translate(-50%)}.visually-hidden{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}body>.content-footer{max-width:42rem;margin:1rem auto 0;padding:1.25rem 1.25rem 2.5rem}.consent-banner{position:fixed;left:1rem;right:1rem;bottom:1rem;z-index:1000;max-width:44rem;margin:0 auto;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:.85rem 1.25rem;padding:1rem 1.15rem;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow)}.consent-text{margin:0;flex:1 1 18rem;font-size:.85rem;line-height:1.5;color:var(--ink-muted)}.consent-link{color:var(--accent-hover);text-decoration:underline;white-space:nowrap}.consent-actions{display:flex;gap:.6rem;flex-shrink:0}.consent-btn{padding:.5rem 1.1rem;font-size:.85rem}@media(max-width:30rem){.consent-actions{width:100%}.consent-btn{flex:1}}