/* Shape Sudoku. Builds on the Kids design system v3 tokens in kids-product.css. */
#kids-sudoku{
 --sd-red:#ef4444;--sd-red-d:#b42323;--sd-blue:#3b82f6;--sd-blue-d:#1d4fc4;--sd-yellow:#fbc531;--sd-yellow-d:#c78a00;
 --sd-green:#22c272;--sd-green-d:#12804a;--sd-purple:#a259f5;--sd-purple-d:#6d28c9;--sd-orange:#ff8a33;--sd-orange-d:#c4520a;
 --sd-tile:#fbfbff;--sd-tile-edge:#d3d9f2;--sd-given:#cdd5f7;--sd-given-edge:#9eabe3;--sd-peer:#fff3d1;--sd-given-peer:#e6dcc0;--sd-frame:#0a1031
}
.sd-stage{position:relative}
.sd-print-head{display:none}

/* ---------- Shapes ---------- */
.sd-shape{display:block;width:100%;height:100%;overflow:visible}
.sd-body{stroke-width:5;stroke-linejoin:round}
.sd-gloss{fill:#fff;opacity:.42}
.sd-s-1 .sd-body{fill:var(--sd-red,#ef4444);stroke:var(--sd-red-d,#b42323)}
.sd-s-2 .sd-body{fill:var(--sd-blue,#3b82f6);stroke:var(--sd-blue-d,#1d4fc4)}
.sd-s-3 .sd-body{fill:var(--sd-yellow,#fbc531);stroke:var(--sd-yellow-d,#c78a00)}
.sd-s-4 .sd-body{fill:var(--sd-green,#22c272);stroke:var(--sd-green-d,#12804a)}
.sd-s-5 .sd-body{fill:var(--sd-purple,#a259f5);stroke:var(--sd-purple-d,#6d28c9)}
.sd-s-6 .sd-body{fill:var(--sd-orange,#ff8a33);stroke:var(--sd-orange-d,#c4520a)}

/* ---------- Layout ---------- */
.sd-play{display:grid;grid-template-columns:minmax(0,1fr) minmax(260px,330px);gap:clamp(18px,3vw,34px);align-items:start}
.sd-board-col{min-width:0}
.sd-side{display:flex;flex-direction:column;gap:14px;min-width:0}
.sd-keys{text-align:center;margin:12px auto 0!important;max-width:520px}

/* ---------- Board ---------- */
.sd-board{display:flex;flex-direction:column;gap:5px;width:100%;max-width:560px;margin:0 auto;padding:10px;border-radius:24px;background:var(--sd-frame);border:2px solid #34428f;box-shadow:0 18px 40px rgba(2,4,20,.5),inset 0 0 0 1px rgba(255,255,255,.04);box-sizing:border-box}
.sd-row{display:grid;gap:5px}
.sd-n4 .sd-row{grid-template-columns:repeat(4,minmax(0,1fr));aspect-ratio:4/1}
.sd-n6 .sd-row{grid-template-columns:repeat(6,minmax(0,1fr));aspect-ratio:6/1}
.sd-band-end{margin-bottom:9px}
.sd-box-r{margin-right:5px}
.sd-box-l{margin-left:5px}
.sd-cell{position:relative;display:flex;min-width:0;min-height:0}
.sd-btn{position:relative;flex:1;display:grid;place-items:center;min-width:44px;min-height:44px;margin:0;padding:15%;border:0;border-radius:12px;background:var(--sd-tile);box-shadow:inset 0 -4px 0 var(--sd-tile-edge);cursor:pointer;color:inherit;font:inherit;transition:background .15s ease,box-shadow .15s ease,transform .12s ease;-webkit-tap-highlight-color:transparent;touch-action:manipulation}
.sd-n6 .sd-btn{border-radius:10px;padding:13%}
.sd-btn:hover{background:#fff}
.sd-btn:active{transform:scale(.96)}
.sd-given .sd-btn{background:var(--sd-given);box-shadow:inset 0 0 0 2px var(--sd-given-edge);cursor:default}
.sd-given .sd-btn:hover{background:var(--sd-given)}
.sd-given .sd-btn:active{transform:none}
.sd-given .sd-btn:after{content:"";position:absolute;top:6px;left:6px;width:7px;height:7px;border-radius:50%;background:#56619c}
.sd-peer .sd-btn{background:var(--sd-peer)}
.sd-given.sd-peer .sd-btn{background:#e3dcef}
.sd-same .sd-btn{box-shadow:inset 0 0 0 3px #8b7cf6}
.sd-cursor{z-index:2}
.sd-cursor .sd-btn,.sd-cursor.sd-given .sd-btn{box-shadow:0 0 0 4px var(--k-gold,#f6c96c),0 0 20px rgba(246,201,108,.55)}
.sd-btn:focus{outline:none}
.sd-btn:focus-visible{box-shadow:0 0 0 4px var(--k-gold,#f6c96c),0 0 0 7px #fff,0 0 22px rgba(246,201,108,.7)!important}
.sd-clash .sd-btn,.sd-clash.sd-peer .sd-btn{background:#ffe8e3;outline:3px dashed #d63a3f;outline-offset:-6px}
.sd-flag{position:absolute;top:3px;right:3px;width:22px;height:22px;border-radius:50%;display:grid;place-items:center;background:#d63a3f;color:#fff;font:900 14px/1 "Manrope",Inter,sans-serif;box-shadow:0 0 0 2px #fff}
.sd-n6 .sd-flag{width:18px;height:18px;font-size:12px;top:2px;right:2px}
.sd-brushing .sd-cell:not(.sd-given) .sd-btn{cursor:copy}

/* Little moments of delight (switched off for reduced motion) */
@keyframes sd-pop{0%{transform:scale(.4);opacity:.2}60%{transform:scale(1.12);opacity:1}100%{transform:scale(1)}}
@keyframes sd-glow{0%{background:var(--sd-tile)}35%{background:#c9f7df;box-shadow:inset 0 0 0 3px #3ccf8e}100%{}}
@keyframes sd-hint{0%{box-shadow:0 0 0 0 rgba(246,201,108,.9)}100%{box-shadow:0 0 0 16px rgba(246,201,108,0)}}
.sd-pop .sd-shape{animation:sd-pop .38s cubic-bezier(.2,.9,.3,1.3)}
.sd-glow .sd-btn{animation:sd-glow .85s ease}
.sd-hinted .sd-btn{animation:sd-hint .8s ease-out}
.sd-hinted .sd-shape{animation:sd-pop .45s cubic-bezier(.2,.9,.3,1.3)}

/* ---------- Side panel ---------- */
.sd-side-label{margin:0!important;font:800 .95rem/1.3 "Manrope",Inter,sans-serif;color:var(--k-ink,#f4f6ff)!important;letter-spacing:.01em}
.sd-palette{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px}
.sd-stage[data-size="4"] .sd-palette{grid-template-columns:repeat(2,minmax(0,1fr))}
.sd-pick{position:relative;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:4px;min-width:56px;min-height:88px;padding:10px 6px 8px;border:3px solid transparent;border-radius:20px;background:var(--sd-tile);box-shadow:inset 0 -5px 0 var(--sd-tile-edge),0 6px 14px rgba(2,4,20,.3);color:#1d2557;cursor:pointer;font:inherit;transition:transform .14s ease,box-shadow .14s ease,border-color .14s;-webkit-tap-highlight-color:transparent;touch-action:manipulation}
.sd-pick[hidden]{display:none}
.sd-pick .sd-shape{width:46px;height:46px;flex:none}
.sd-pick-name{font:800 clamp(10.5px,.78rem,14px)/1.15 "Manrope",Inter,sans-serif;color:#2a3370;max-width:100%;overflow-wrap:anywhere;text-align:center}
.sd-pick-key{position:absolute;top:6px;left:8px;font:800 11px/1 Inter,sans-serif;color:#7c86b8}
.sd-pick:hover{transform:translateY(-2px)}
.sd-pick:active{transform:translateY(1px)}
.sd-pick[aria-pressed="true"]{border-color:var(--k-coral,#ff8f7f);background:#fff4f1;box-shadow:inset 0 -5px 0 #f5c7bd,0 0 0 4px rgba(255,143,127,.28),0 8px 20px rgba(2,4,20,.35);transform:translateY(-3px)}
.sd-pick[aria-pressed="true"]:after{content:"";position:absolute;top:6px;right:7px;width:12px;height:12px;border-radius:50%;background:var(--k-coral,#ff8f7f);box-shadow:0 0 0 3px #fff4f1}
.sd-pick:focus-visible,.sd-tool:focus-visible,.sd-stage .kp-button:focus-visible,.sd-stage .kg-levels button:focus-visible{outline:4px solid var(--k-gold,#f6c96c);outline-offset:3px}

.sd-tools{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:8px}
.sd-tool{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:4px;min-height:64px;min-width:44px;padding:8px 4px;border-radius:16px;border:2px solid var(--k-line,#2a3678);background:rgba(255,255,255,.04);color:var(--k-ink,#f4f6ff);font:800 clamp(12px,.86rem,16px)/1.15 "Manrope",Inter,sans-serif;cursor:pointer;transition:background .14s,border-color .14s;overflow-wrap:anywhere;text-align:center;touch-action:manipulation}
.sd-tool svg{width:24px;height:24px;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round;flex:none}
.sd-tool:not(:disabled):hover{background:var(--k-surface-2,#172154);border-color:#3b4a9a}
.sd-tool[aria-pressed="true"]{background:#fff4f1;color:#7a2416;border-color:var(--k-coral,#ff8f7f)}
.sd-tool:disabled{opacity:.4;cursor:default}
#sd-hint svg{color:var(--k-gold,#f6c96c)}
#sd-check svg{color:var(--k-mint,#62e3ab)}
.sd-tool[aria-pressed="true"] svg{color:inherit}

.sd-status{margin:0!important;padding:12px 16px 12px 46px;border-radius:16px;background:var(--k-bg-2,#0c1234);border:1px solid var(--k-line-soft,#1f2a62);min-height:3.4em;position:relative;font-size:1rem!important;line-height:1.4}
.sd-status:before{content:"";position:absolute;left:16px;top:16px;width:18px;height:18px;border-radius:50%;background:radial-gradient(circle at 35% 35%,#fff 0 18%,var(--k-cyan,#3dd5f3) 20%);box-shadow:0 0 12px rgba(61,213,243,.6)}
.sd-actions{margin-top:0!important}
.sd-actions .kp-button{flex:1 1 130px}

/* ---------- Win ---------- */
.sd-win{position:relative;overflow:hidden;outline:none}
.sd-win:focus-visible{outline:4px solid var(--k-gold,#f6c96c);outline-offset:3px}
.sd-win h3{position:relative}
.sd-win p{position:relative;max-width:520px}
.sd-win-actions{position:relative;display:flex;flex-wrap:wrap;justify-content:center;gap:10px}
.sd-win-actions .kp-button{flex:0 1 220px}
.sd-star{width:56px;height:56px;fill:#2c3770;stroke:#4a568f;stroke-width:1;stroke-linejoin:round}
.sd-star-on{fill:var(--k-gold,#f6c96c);stroke:#c79a3a;filter:drop-shadow(0 4px 10px rgba(246,201,108,.45))}
@keyframes sd-star{0%{transform:scale(0) rotate(-40deg)}70%{transform:scale(1.2) rotate(8deg)}100%{transform:scale(1) rotate(0)}}
.sd-win:not([hidden]) .sd-star{animation:sd-star .5s cubic-bezier(.2,.9,.3,1.3) both}
.sd-win:not([hidden]) .sd-star:nth-child(2){animation-delay:.15s}
.sd-win:not([hidden]) .sd-star:nth-child(3){animation-delay:.3s}
.sd-confetti{position:absolute;inset:0;pointer-events:none}
.sd-bit{position:absolute;top:-14px;width:10px;height:14px;border-radius:3px;opacity:0}
.sd-bit:nth-child(6n+1){background:var(--sd-red)}.sd-bit:nth-child(6n+2){background:var(--sd-blue)}.sd-bit:nth-child(6n+3){background:var(--sd-yellow)}.sd-bit:nth-child(6n+4){background:var(--sd-green)}.sd-bit:nth-child(6n+5){background:var(--sd-purple)}.sd-bit:nth-child(6n){background:var(--sd-orange);border-radius:50%}
.sd-bit-0{left:4%}.sd-bit-1{left:11%}.sd-bit-2{left:19%}.sd-bit-3{left:26%}.sd-bit-4{left:33%}.sd-bit-5{left:41%}.sd-bit-6{left:48%}.sd-bit-7{left:55%}.sd-bit-8{left:62%}.sd-bit-9{left:70%}.sd-bit-10{left:77%}.sd-bit-11{left:84%}.sd-bit-12{left:91%}.sd-bit-13{left:96%}
@keyframes sd-fall{0%{transform:translateY(0) rotate(0);opacity:1}100%{transform:translateY(260px) rotate(540deg);opacity:0}}
.sd-win:not([hidden]) .sd-bit{animation:sd-fall 1.9s ease-in both}
.sd-win:not([hidden]) .sd-bit:nth-child(3n+1){animation-delay:.2s;animation-duration:2.2s}
.sd-win:not([hidden]) .sd-bit:nth-child(3n+2){animation-delay:.45s;animation-duration:1.7s}

/* ---------- How to play ---------- */
.sd-howto{margin-top:22px;padding:clamp(18px,3vw,30px);border-radius:28px;background:var(--k-surface,#111944);border:1px solid var(--k-line-soft,#1f2a62)}
.sd-howto h2{margin:0 0 16px!important;font-size:1.35rem!important}
.sd-howto-grid{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,1fr);gap:24px;align-items:center}
.sd-steps{list-style:none;margin:0;padding:0;display:grid;gap:14px;counter-reset:sd}
.sd-steps li{position:relative;padding-left:50px;min-height:38px;margin:0}
.sd-steps li:before{counter-increment:sd;content:counter(sd);position:absolute;left:0;top:-2px;width:36px;height:36px;border-radius:50%;display:grid;place-items:center;background:linear-gradient(135deg,var(--k-gold,#f6c96c),var(--k-coral,#ff8f7f));color:#21140a;font:800 1rem/1 "Manrope",Inter,sans-serif}
.sd-steps strong{color:var(--k-ink,#f4f6ff)}
.sd-example{margin:0;padding:18px;border-radius:22px;background:var(--k-bg-2,#0c1234);border:1px dashed #3a4588;text-align:center}
.sd-example-row{display:flex;align-items:center;justify-content:center;gap:6px;flex-wrap:wrap}
.sd-example-cell{display:grid;place-items:center;width:52px;height:52px;padding:9px;border-radius:12px;background:var(--sd-given);box-shadow:inset 0 0 0 2px var(--sd-given-edge);box-sizing:border-box}
.sd-example-gap{background:#fff4f1;box-shadow:inset 0 0 0 3px var(--k-coral,#ff8f7f)}
.sd-example-q{font:900 1.6rem/1 "Manrope",Inter,sans-serif;color:#d0503d}
.sd-example-arrow{width:30px;height:30px;color:var(--k-muted,#aab3da)}
.sd-example-arrow svg{width:100%;height:100%;fill:none;stroke:currentColor;stroke-width:2.5;stroke-linecap:round;stroke-linejoin:round}
.sd-example-answer{background:#e6fbef;box-shadow:inset 0 0 0 3px #3ccf8e}
.sd-example figcaption{margin-top:12px;color:var(--k-ink-2,#d5dbf5);font-size:.95rem}

/* ---------- Responsive ---------- */
@media(max-width:900px){
 .sd-play{grid-template-columns:1fr}
 .sd-side{max-width:560px;width:100%;margin:0 auto}
 .sd-palette,.sd-stage[data-size="4"] .sd-palette{grid-template-columns:repeat(6,minmax(0,1fr))}
 .sd-stage[data-size="4"] .sd-palette{grid-template-columns:repeat(4,minmax(0,1fr))}
 .sd-pick{min-height:80px}
}
@media(max-width:800px){.sd-howto-grid{grid-template-columns:1fr}}
@media(max-width:520px){
 .sd-stage .kg-toolbar{gap:10px}
 .sd-stage .kg-levels{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));width:100%;border-radius:20px;box-sizing:border-box}
 .sd-stage .kg-levels button{border-radius:15px;padding:6px 8px}
 .sd-palette{grid-template-columns:repeat(3,minmax(0,1fr))}
 .sd-stage[data-size="4"] .sd-pick{padding-inline:2px}
 .sd-stage[data-size="4"] .sd-pick-name{font-size:clamp(10.5px,.68rem,14px)}
 .sd-pick{min-height:72px;border-radius:16px}
 .sd-pick .sd-shape{width:38px;height:38px}
 .sd-board{padding:6px;gap:4px;border-radius:18px}
 .sd-row{gap:4px}
 .sd-band-end{margin-bottom:7px}
 .sd-box-r{margin-right:3.5px}.sd-box-l{margin-left:3.5px}
 .sd-btn{border-radius:9px}
}
@media(max-width:400px){
 .sd-board-col{margin-inline:-10px}
 .sd-n6.sd-board{padding:3px;gap:3px;border-radius:14px}
 .sd-n6 .sd-row{gap:3px}
 .sd-n6 .sd-band-end{margin-bottom:6px}
 .sd-n6 .sd-box-r{margin-right:2.5px}.sd-n6 .sd-box-l{margin-left:2.5px}
 .sd-n6 .sd-btn{padding:11%;border-radius:8px}
 .sd-given .sd-btn:after{top:4px;left:4px;width:5px;height:5px}
 .sd-example-cell{width:44px;height:44px;padding:7px}
}
@media(prefers-reduced-motion:reduce){
 .sd-btn,.sd-pick,.sd-tool{transition:none!important}
 .sd-pick:hover,.sd-pick:active,.sd-pick[aria-pressed="true"],.sd-btn:active{transform:none!important}
 .sd-pop .sd-shape,.sd-glow .sd-btn,.sd-hinted .sd-btn,.sd-hinted .sd-shape,.sd-win:not([hidden]) .sd-star{animation:none!important}
 .sd-confetti{display:none}
}

/* ---------- Print: the current puzzle, large, black outlines on A4 ---------- */
@media print{
 @page{size:A4;margin:14mm}
 .kp-header,.kp-footer,.kids-skip,.kp-back,.kg-hero,.kg-toolbar,.sd-side,.sd-keys,.sd-win,.sd-howto,.kg-grownups{display:none!important}
 .kg-stage.sd-stage{background:#fff!important;border:0!important;box-shadow:none!important;padding:0!important;margin:0!important}
 .sd-print-head{display:block;text-align:center;margin:0 0 6mm}
 .sd-print-head p{margin:0 auto 2mm!important;max-width:none;font-size:12pt;color:#000!important}
 .sd-print-head .sd-print-title{font:800 24pt/1.2 "Manrope",Inter,sans-serif;margin-bottom:3mm!important}
 .sd-print-title span{font-weight:600;font-size:16pt}
 .sd-legend{display:flex;justify-content:center;flex-wrap:wrap;gap:4mm 7mm;list-style:none;margin:3mm 0 0;padding:0;font-size:11pt;color:#000}
 .sd-legend li{display:flex;align-items:center;gap:2mm}
 .sd-legend .sd-shape{width:7mm;height:7mm}
 .sd-stage[data-size="4"] .sd-legend-5,.sd-stage[data-size="4"] .sd-legend-6{display:none}
 .sd-play{display:block}
 .sd-board-col{margin:0}
 .sd-board,.sd-n6.sd-board{width:165mm;max-width:none;margin:0 auto;padding:0;gap:0;border:2.2mm solid #000;border-radius:0;background:#fff;box-shadow:none;break-inside:avoid}
 .sd-row,.sd-n6 .sd-row{gap:0}
 .sd-band-end,.sd-n6 .sd-band-end{margin:0}
 .sd-box-r,.sd-box-l,.sd-n6 .sd-box-r,.sd-n6 .sd-box-l{margin:0}
 .sd-btn,.sd-n6 .sd-btn{border-radius:0;background:#fff!important;box-shadow:none!important;outline:0!important;border:.5mm solid #000;padding:16%;animation:none!important}
 .sd-box-r .sd-btn{border-right:1.6mm solid #000}
 .sd-box-l .sd-btn{border-left:1.6mm solid #000}
 .sd-band-end .sd-btn{border-bottom:1.6mm solid #000}
 .sd-band-end+.sd-row .sd-btn{border-top:1.6mm solid #000}
 .sd-given .sd-btn:after,.sd-flag,.sd-gloss,.sd-filled .sd-shape{display:none!important}
 .sd-body{fill:none!important;stroke:#000!important;stroke-width:6!important}
 .sd-shape{animation:none!important}
}