:root{font-family:"Avenir Next",system-ui,sans-serif;color:#26304e;background:#f8f5ef;font-synthesis:none;--ink:#26304e;--accent:#615cbb;--board:560px}*{box-sizing:border-box}body{margin:0;overscroll-behavior:none}button{font:inherit;color:inherit;cursor:pointer;border:1px solid #cdd0dc;background:#fffdfa;border-radius:12px;min-height:44px;padding:8px 14px;font-weight:650;touch-action:manipulation}button:disabled{opacity:.4;cursor:default}button:focus-visible{outline:3px solid #5b4ba3;outline-offset:3px}button:hover:not(:disabled){background:#eeeaf9}button:active:not(:disabled){transform:scale(.97)}[hidden]{display:none!important}h1{font-size:32px;letter-spacing:-1.3px;margin:0;font-weight:850}h1 span{color:#e3a63a;margin-right:5px}h2{font-size:27px;letter-spacing:-.8px;margin:12px 0}p{line-height:1.5}.rail header{display:flex;align-items:center;justify-content:space-between;gap:8px}.icon-button{padding:6px 11px;font-size:23px;background:transparent}.rule{font-size:18px;line-height:1.5;margin:16px 0 20px;max-width:380px}nav{display:flex;gap:5px;background:#eae7e1;padding:4px;border-radius:14px}nav button{flex:1;border:0;background:transparent}nav .active{background:#fffdfa;box-shadow:0 2px 8px #26304e12}.round{display:flex;align-items:center;justify-content:space-between;margin-top:14px;gap:12px;font-size:14px;font-variant-numeric:tabular-nums}#level-picker{border:0;padding:3px 0;background:transparent;font-size:16px;text-align:left;min-height:36px}.tools{display:flex;gap:8px}.tools button{font-size:14px;padding:9px 12px;white-space:nowrap}#mark[aria-pressed=true]{background:#26304e;color:white}#status{min-height:25px;font-size:14px;margin:12px 0 0;color:#a3233f}#storage-status{font-size:12px;margin:4px 0}.play{align-self:center}.progress{display:flex;justify-content:space-between;font-size:14px;margin-top:12px;color:#60677b;font-variant-numeric:tabular-nums}#board{display:grid;grid-template-columns:repeat(var(--n),minmax(0,1fr));grid-template-rows:repeat(var(--n),minmax(0,1fr));width:var(--board);height:var(--board);border:3px solid #414b68;border-radius:14px;overflow:hidden;box-shadow:0 9px 0 #333d5d0d,0 18px 45px #26304e10;background:#414b68}.cell{position:relative;min-width:0;min-height:0;padding:0;border:0;border-right:1px solid #26304e22;border-bottom:1px solid #26304e22;border-radius:0;background:var(--color)!important;display:flex;align-items:center;justify-content:center;isolation:isolate;touch-action:manipulation}.cell:active{transform:none!important}.cell:focus-visible{outline:3px solid #26304e;outline-offset:-5px;z-index:2}.cell svg{width:66%;height:66%;position:relative;z-index:1;filter:drop-shadow(0 2px 0 #ffffff80);color:#394364;pointer-events:none}.cell .region{position:absolute;top:3px;left:4px;font-size:clamp(9px,1.3vw,13px);opacity:.65;pointer-events:none}.cell.cross::after{content:'×';font:500 calc(var(--board)/var(--n)*.6)/1 system-ui;color:#35416199}.cell.conflict-tint::before{content:'';position:absolute;inset:0;background:#ed425826;pointer-events:none;z-index:0}.cell.error svg{color:#b81d3c;filter:none}.cell.touch-conflict{box-shadow:inset 0 0 0 3px #b81d3c}.cell.conflict-flash svg{animation:shake .18s ease-out}.cell.pulse svg{animation:pop .16s ease-out}.cell.solved svg{color:#9b6512;filter:drop-shadow(0 1px 0 #fff);animation:glow .45s ease-out both;animation-delay:calc(var(--wave)*30ms)}@keyframes shake{25%{transform:translateX(-3px)}75%{transform:translateX(3px)}}@keyframes pop{0%{transform:scale(.5)}65%{transform:scale(1.14)}100%{transform:scale(1)}}@keyframes glow{50%{transform:scale(1.25)}}.desktop-note{display:flex;align-items:center;gap:20px;color:#a6a0c5;margin:26px 0}.desktop-note span{font-size:56px;color:#c0b9df}.desktop-note p{font-size:18px;line-height:1.3}#app{min-height:100dvh;display:grid;grid-template-columns:320px var(--board);gap:44px;justify-content:center;align-content:center;padding:22px}.rail{align-self:center}dialog{max-width:min(440px,calc(100vw - 32px));max-height:calc(100dvh - 32px);overflow:auto;width:440px;background:#fffcf7;border:1px solid #d7d5dd;color:#26304e;border-radius:24px;padding:28px;box-shadow:0 20px 90px #17213d40}dialog::backdrop{background:#26304e66;backdrop-filter:blur(3px)}dialog label{display:flex;align-items:center;gap:12px;padding:12px 0;font-size:18px}dialog input{width:22px;height:22px;accent-color:#615cbb}dialog .close{float:right;font-size:24px;min-width:44px;margin:-14px -12px 0 0;border:0;background:transparent}dialog p{font-size:15px}#settings-done{width:100%;margin-top:12px}.dialog-actions{display:flex;gap:12px}.dialog-actions button{flex:1}#level-list{display:grid;grid-template-columns:repeat(5,1fr);gap:8px}#level-list button{padding:6px;font-size:15px}#level-list .passed{background:#e7f0e4;border-color:#b3c9aa}#level-list .current{outline:2px solid #615cbb}#result-dialog{text-align:center}.result-star{font-size:76px;color:#dba941;line-height:1;margin-top:10px}.badge{display:inline-block;border:1px solid #d3b76f;background:#fff4cc;border-radius:99px;padding:7px 15px;color:#835f0d;font-weight:750}#result-meta{font-size:19px;font-variant-numeric:tabular-nums}#result-line{color:#60677b}.primary{background:#615cbb;color:#fff;border-color:#615cbb;display:block;width:100%;margin:24px 0 10px}.primary:hover:not(:disabled){background:#4f48a0}#result-close{border:0;background:transparent}html[data-reduced=true] *,html[data-reduced=true] *::before,html[data-reduced=true] *::after{animation:none!important;transition:none!important}
@media(min-width:741px){:root{--board:min(900px,calc(100dvh - 84px),calc(100vw - 408px))}}
@media(min-width:741px) and (max-height:540px){#app{gap:28px;padding:18px;grid-template-columns:300px var(--board)}.rule{font-size:16px;margin:10px 0}h1{font-size:28px}.desktop-note{margin:14px 0}.desktop-note p{font-size:14px}.desktop-note span{font-size:30px}.round{margin-top:6px}.tools button{padding:8px 10px}#status{margin-top:8px}}
@media(max-width:740px){:root{--board:min(520px,calc(100vw - 32px),calc(100dvh - 265px))}#app{display:flex;flex-direction:column;padding:16px;gap:12px;min-height:100dvh;justify-content:center;align-items:center}.rail{display:contents}.rail header,.rule,nav,.round,.tools,#status,#result-open,#storage-status{width:var(--board);max-width:520px}.rail header{order:0}h1{font-size:27px}.rule{order:1;font-size:14px;line-height:1.4;margin:0}nav{order:2}.round{order:3;margin:0;min-height:25px}.play{order:4}.tools{order:5;justify-content:center}.tools button{flex:1;padding:8px 6px;font-size:13px}#status{order:6;font-size:12px;margin:0;min-height:17px;text-align:center}#result-open{order:7}#storage-status{order:8}.desktop-note{display:none}.progress{font-size:12px;margin-top:8px}.icon-button{min-height:36px;font-size:20px}#level-picker{font-size:14px;min-height:25px}nav button{min-height:36px;padding:5px 10px}dialog{padding:22px}.cell .region{font-size:10px;top:2px;left:3px}}
@media(max-width:360px){#app{gap:8px}.rule{font-size:13px}:root{--board:min(calc(100vw - 24px),calc(100dvh - 316px))}}

#status.done{color:#527046}#result-open{order:5}#replay{display:block;width:100%;margin-bottom:8px}

.round{flex-wrap:wrap}.cell.given:after{content:'◆';position:absolute;right:4px;bottom:2px;font-size:9px;color:#465269}.cell.given{cursor:default}.cell.given svg{filter:drop-shadow(0 1px 1px #fff)}

.cell.auto-cross::after{font-size:calc(var(--board)/var(--n)*.36);color:#354161;opacity:.4}

.auto-switch{display:flex;align-items:center;gap:6px;white-space:nowrap;font-size:13px;cursor:pointer;min-height:32px}.auto-switch input{width:17px;height:17px;margin:0;accent-color:#615cbb}@media(max-width:360px){.auto-switch{font-size:12px;gap:4px}.round{gap:5px}}
@media(max-width:360px){:root{--board:min(calc(100vw - 24px),calc(100dvh - 324px))}}
@media(max-width:360px){.rail header,.rule,nav,.round,.tools,#status,#result-open,#storage-status{width:calc(100vw - 32px)}.round{flex-wrap:nowrap}#level-picker{font-size:13px}}