:root{--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light dark;--bg:#f1f5f9;--fg:#0f172a;--muted:#64748b;--surface:#fff;--line:#cbd5e1;--line-strong:#334155;--fill:#1e293b;--cross:#dc2626;--accent:#2563eb;--accent-fg:#fff;--highlight:#dbeafe;--done:#94a3b8;--bad:#dc2626;--good:#16a34a;--given:#e2e8f0;--bar:#0f172a;--bar-fg:#f8fafc;--bar-btn:#1e293b;--safe-top:env(safe-area-inset-top,0px);--safe-bottom:env(safe-area-inset-bottom,0px);--safe-left:env(safe-area-inset-left,0px);--safe-right:env(safe-area-inset-right,0px);background:var(--bg);color:var(--fg);-webkit-text-size-adjust:100%;touch-action:manipulation;font-family:-apple-system,system-ui,sans-serif}@media (prefers-color-scheme:dark){:root{--lightningcss-light: ;--lightningcss-dark:initial;--bg:#0f172a;--fg:#e2e8f0;--muted:#94a3b8;--surface:#1e293b;--line:#334155;--line-strong:#94a3b8;--fill:#e2e8f0;--cross:#f87171;--accent:#3b82f6;--highlight:#1e3a8a;--done:#475569;--bar:#020617;--bar-btn:#1e293b;--bad:#f87171;--good:#4ade80;--given:#334155}}*{box-sizing:border-box}html,body{overscroll-behavior:none;height:100%;margin:0;overflow:hidden}body{-webkit-tap-highlight-color:transparent;-webkit-touch-callout:none;-webkit-user-select:none;user-select:none;position:fixed;inset:0}button{font:inherit;color:inherit;background:var(--surface);border:1px solid var(--line);border-radius:.75rem;min-height:44px;padding:0 .9rem;transition:transform 80ms}button:active:not(:disabled){transform:scale(.95)}button:disabled{opacity:.4}[hidden]{display:none!important}.screen{padding:0 var(--safe-right) 0 var(--safe-left);flex-direction:column;display:flex;position:absolute;inset:0}.topbar{margin:0 calc(-1 * var(--safe-right)) 0 calc(-1 * 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svg{width:100%;height:100%}.card-title{font-size:1.05rem;font-weight:700}.card-blurb{color:var(--muted);font-size:.8rem;line-height:1.3}.card-meta{color:var(--accent);font-variant-numeric:tabular-nums;margin-top:auto;font-size:.8rem;font-weight:600}.menu-note{text-align:center;color:var(--muted);margin:1.25rem 0 0;font-size:.8rem}.play{flex-direction:column;flex:1;min-height:0;display:flex}.board-wrap{flex:1;justify-content:center;align-items:center;min-height:0;display:flex;position:relative;overflow:hidden}.loading{color:var(--muted);flex-direction:column;justify-content:center;align-items:center;gap:.75rem;font-weight:600;display:flex;position:absolute;inset:0}.spinner{border:4px solid var(--line);border-top-color:var(--accent);border-radius:50%;width:2.5rem;height:2.5rem;animation:.8s linear infinite spin}@keyframes spin{to{transform:rotate(360deg)}}.board{--cell:32px;touch-action:none}.board-nonogram{grid-template-columns:calc(var(--cell) * 2.6) repeat(var(--size), 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var(--surface))}.num-board .cell.same{background:color-mix(in srgb, var(--accent) 22%, var(--surface))}.num-board .cell.sel{background:color-mix(in srgb, var(--accent) 38%, var(--surface))}.num-board .cell.clash .val{color:var(--bad)}.num-board .cell.wrong{background:color-mix(in srgb, var(--bad) 30%, var(--surface))}.board.solved.num-board .val{animation:.4s ease-out pop}.pad-modes{gap:.5rem;margin-bottom:.5rem;display:flex}.pad-modes .tool{min-height:44px}.pencil{font-size:1.2rem}.numpad{grid-template-columns:repeat(var(--pad-cols), 1fr);gap:.4rem;display:grid}.pad-btn{font-variant-numeric:tabular-nums;min-width:44px;min-height:50px;padding:0;font-size:1.5rem;font-weight:600}.pad-btn.done{opacity:.35}.numpad.notes-on .pad-btn:not(.pad-erase){color:var(--accent);font-size:1.1rem;font-style:italic}.board-binairo{--zero:#f59e0b;--one:#2563eb}@media (prefers-color-scheme:dark){.board-binairo{--one:#3b82f6}}.board-binairo .cell.given{background:var(--given)}.board-binairo .bit{color:#fff;width:78%;height:78%;font-size:calc(var(--cell) * .42);border-radius:50%;justify-content:center;align-items:center;font-weight:600;display:flex}.board-binairo .cell.given .bit{border-radius:18%;font-weight:800}.board-binairo .v0 .bit{background:var(--zero)}.board-binairo .v1 .bit{background:var(--one)}.board-binairo .cell.wrong .bit{outline:3px solid var(--bad);outline-offset:1px}.board.solved .bit{animation:.4s ease-out pop}.hint{color:var(--muted);text-align:center;margin:0;font-size:.9rem}.status{text-align:center;flex-wrap:wrap;justify-content:center;align-items:center;gap:.5rem;min-height:2.75rem;margin:.25rem .75rem 0;font-size:1.1rem;font-weight:600;display:flex}.status.bad{color:var(--bad)}.status.good{color:var(--good)}.status button{font-size:1rem}.toolbar{padding:.5rem .75rem calc(var(--safe-bottom) + .75rem)}.toolbar:empty{padding-top:0}.tools{gap:.5rem;display:flex}.tool{flex:1;justify-content:center;align-items:center;gap:.6rem;min-height:56px;font-size:1.05rem;font-weight:600;display:flex}.tool[aria-pressed=true],.chip[aria-checked=true]{border-color:var(--accent);box-shadow:inset 0 0 0 2px var(--accent);background:var(--highlight)}.tool-icon{width:1.2rem;height:1.2rem;display:inline-block;position:relative}.fill-icon{background:var(--fill);border-radius:3px}.cross-icon:before,.cross-icon:after{content:"";background:var(--cross);border-radius:1px;height:2.5px;margin-top:-1.25px;position:absolute;top:50%;left:0;right:0}.cross-icon:before{transform:rotate(45deg)}.cross-icon:after{transform:rotate(-45deg)}.sheet{background:var(--bg);width:min(28rem,100vw);max-width:100vw;color:var(--fg);border:none;border-radius:1.25rem 1.25rem 0 0;margin:auto auto 0;padding:0}.sheet::backdrop{background:#0206178c}.sheet[open]{animation:.18s ease-out slide-up}@keyframes slide-up{0%{opacity:0;transform:translateY(40%)}}.sheet-body{padding:1.1rem 1rem calc(var(--safe-bottom) + 1rem);flex-direction:column;gap:.75rem;max-height:85dvh;display:flex;overflow-y:auto}.sheet h2{margin:0;font-size:1.2rem}.chips{flex-wrap:wrap;gap:.5rem;display:flex}.chip{flex:1 0 auto;font-weight:600}.wide{width:100%;font-weight:600}.settings{border:none;flex-direction:column;gap:.25rem;margin:0;padding:0;display:flex}.settings legend{margin-bottom:.25rem;font-weight:700}.switch{background:var(--surface);border:1px solid var(--line);border-radius:.75rem;justify-content:space-between;align-items:center;gap:1rem;min-height:44px;padding:0 .75rem;display:flex}.switch input{width:1.4rem;height:1.4rem;accent-color:var(--accent)}.rules summary{align-items:center;min-height:44px;font-weight:700;display:flex}.rules ul{color:var(--muted);margin:0;padding-left:1.2rem;line-height:1.45}.rules li+li{margin-top:.35rem}.board-queens{--r0:#f4a6a6;--r1:#f9cf8a;--r2:#fff09a;--r3:#b6e0a4;--r4:#9fd8e6;--r5:#b3b6f5;--r6:#e3b1ea;--r7:#d6bf9f;--r8:#c8ccd2;--r9:#86d4c0;--pat:#0f172a38;color:#0f172a;border-width:3px 2px 2px 3px}@media (prefers-color-scheme:dark){.board-queens{--r0:#d98282;--r1:#dcae62;--r2:#d9cc6c;--r3:#8fc07c;--r4:#79b6c6;--r5:#8d90d8;--r6:#c48ccb;--r7:#b89f7f;--r8:#a5aab2;--r9:#5fb5a0}}.board-queens .cell{border-color:#0f172a40}.board-queens .cell.wall-r{border-right:3px solid var(--line-strong)}.board-queens .cell.wall-b{border-bottom:3px solid var(--line-strong)}.board-queens .rg-0{background-color:var(--r0)}.board-queens .rg-1{background-color:var(--r1)}.board-queens .rg-2{background-color:var(--r2)}.board-queens .rg-3{background-color:var(--r3)}.board-queens .rg-4{background-color:var(--r4)}.board-queens .rg-5{background-color:var(--r5)}.board-queens .rg-6{background-color:var(--r6)}.board-queens .rg-7{background-color:var(--r7)}.board-queens .rg-8{background-color:var(--r8)}.board-queens .rg-9{background-color:var(--r9)}.board-queens.patterns .rg-1{background-image:repeating-linear-gradient(45deg, var(--pat) 0 2px, transparent 2px 8px)}.board-queens.patterns .rg-2{background-image:radial-gradient(var(--pat) 1.6px, transparent 2px);background-size:8px 8px}.board-queens.patterns .rg-3{background-image:repeating-linear-gradient(-45deg, var(--pat) 0 2px, transparent 2px 8px)}.board-queens.patterns .rg-4{background-image:repeating-linear-gradient(0deg, var(--pat) 0 2px, transparent 2px 8px)}.board-queens.patterns .rg-5{background-image:repeating-linear-gradient(90deg, var(--pat) 0 2px, transparent 2px 8px)}.board-queens.patterns .rg-6{background-image:repeating-linear-gradient(45deg, var(--pat) 0 1.5px, transparent 1.5px 7px), repeating-linear-gradient(-45deg, var(--pat) 0 1.5px, transparent 1.5px 7px)}.board-queens.patterns .rg-7{background-image:linear-gradient(var(--pat) 2px, transparent 2px), linear-gradient(90deg, var(--pat) 2px, transparent 2px);background-size:9px 9px}.board-queens.patterns .rg-8{background-image:radial-gradient(circle, transparent 2.5px, var(--pat) 3px, var(--pat) 4px, transparent 4.5px);background-size:12px 12px}.board-queens.patterns .rg-9{background-image:conic-gradient(var(--pat) 25%, transparent 0 50%, var(--pat) 0 75%, transparent 0);background-size:12px 12px}.board-queens .cell svg{width:70%;height:70%}.board-queens .cell[data-v=queen] svg{animation:.2s ease-out pop}.board-queens .cell[data-v=mark]:before,.board-queens .cell[data-v=mark]:after{content:"";background:currentColor;border-radius:2px;width:34%;height:2.5px;position:absolute;transform:rotate(45deg)}.board-queens .cell[data-v=mark]:after{transform:rotate(-45deg)}.board-queens .cell.auto:before,.board-queens .cell.auto:after{opacity:.45}.board-queens .cell.clash{color:var(--bad)}@media (prefers-color-scheme:dark){.board-queens .cell.clash{color:#b91c1c}}.board-queens .cell.wrong{box-shadow:inset 0 0 0 3px var(--bad)}.board-killer{position:relative}.board-killer .cage-lines{z-index:1;pointer-events:none;width:100%;height:100%;position:absolute;inset:0}.board-killer .cage-lines path{fill:none;stroke:var(--fg);stroke-opacity:.7;stroke-width:.03px;stroke-dasharray:.1 .07}.cage-sum{z-index:2;background:inherit;font-size:calc(var(--cell) * .24);pointer-events:none;padding:0 1px;font-weight:700;line-height:1;position:absolute;top:1px;left:2px}.num-board .has-sum .notes{top:24%;left:12%}.board-kenken{border-width:3px 2px 2px 3px}.board-kenken>.cell.wall-r{border-right:3px solid var(--line-strong)}.board-kenken>.cell.wall-b{border-bottom:3px solid var(--line-strong)}.board-futoshiki{display:grid}.board-futoshiki>.cell{border:1.5px solid var(--line-strong);-webkit-user-select:none;user-select:none;border-radius:6px;justify-content:center;align-items:center;display:flex}.board-futoshiki .cell.given{background:var(--given)}.board-futoshiki .cell.given.sel{background:color-mix(in srgb, var(--accent) 38%, var(--given))}.board-futoshiki .sign{font-size:calc(var(--cell) * .46);color:var(--fg);pointer-events:none;justify-content:center;align-items:center;font-weight:700;line-height:1;display:flex}.board-futoshiki .sign.v{transform:rotate(90deg)}.board-futoshiki .sign.broken{color:var(--bad)}.board-kakuro{--block:#334155}@media (prefers-color-scheme:dark){.board-kakuro{--block:#020617}}.board-kakuro .cell.block{background:var(--block);color:#f8fafc}.board-kakuro .cell.clue{background:linear-gradient(to bottom left, transparent calc(50% - .75px), #f8fafc8c 50%, transparent calc(50% + .75px)), var(--block)}.board-kakuro .clue-across,.board-kakuro .clue-down{font-size:calc(var(--cell) * .3);font-weight:700;line-height:1;position:absolute}.board-kakuro .clue-across{top:9%;right:9%}.board-kakuro .clue-down{bottom:9%;left:9%}.combos{min-height:3.6rem;margin-bottom:.4rem;font-size:.95rem}.combo-row{white-space:nowrap;align-items:baseline;gap:.6rem;line-height:1.8rem;display:flex;overflow-x:auto}.combo-head{min-width:5.2rem;font-weight:700}.combo-list{font-variant-numeric:tabular-nums;letter-spacing:.06em;gap:.6rem;display:flex}.combo.out{color:var(--muted);opacity:.6;text-decoration:line-through}.board-hitori .num{width:80%;height:80%;font-size:calc(var(--cell) * .5);border:2px solid #0000;border-radius:50%;justify-content:center;align-items:center;font-weight:600;display:flex}.board-hitori .cell.shaded{background:var(--fill)}.board-hitori .cell.shaded .num{color:var(--surface);opacity:.55}.board-hitori .cell.circled .num{border-color:var(--accent)}.board-hitori .cell.shaded.clash{background:var(--bad)}.board-hitori .cell.wrong{box-shadow:inset 0 0 0 3px var(--bad)}.board-nurikabe .cell.clue{font-size:calc(var(--cell) * .55);font-weight:700}.board-nurikabe .cell.sea{background:var(--fill)}.board-nurikabe .cell.sea.clash{background:var(--bad)}.board-nurikabe .cell.dot:after{content:"";background:var(--muted);border-radius:50%;width:22%;height:22%}.board-nurikabe .cell.wrong{box-shadow:inset 0 0 0 3px var(--bad)}.board-slitherlink{width:calc(var(--cell) * var(--span));height:calc(var(--cell) * var(--span))}.board-slitherlink svg{width:100%;height:100%;display:block}.board-slitherlink .dot{fill:var(--fg)}.board-slitherlink .dot.bad{fill:var(--bad);r:.11}.board-slitherlink .clue{text-anchor:middle;dominant-baseline:central;fill:var(--fg);font-size:.6px;font-weight:600}.board-slitherlink .clue.done{fill:var(--done)}.board-slitherlink .clue.bad{fill:var(--bad)}.board-slitherlink .edge .ln{stroke:var(--line);stroke-width:.02px;stroke-linecap:round}.board-slitherlink .edge.on .ln{stroke:var(--fill);stroke-width:.12px}.board-slitherlink .edge .x{stroke:var(--muted);stroke-width:.035px;stroke-linecap:round;display:none}.board-slitherlink .edge.off .x{display:inline}.board-slitherlink .edge.off .ln{stroke:#0000}.board-slitherlink .edge.wrong .ln{stroke:var(--bad)}.board-slitherlink .edge.wrong .x{stroke:var(--bad);stroke-width:.05px}.board-minesweeper{--ms-hidden:#cbd5e1;--ms-1:#2563eb;--ms-2:#15803d;--ms-3:#dc2626;--ms-4:#1e3a8a;--ms-5:#9a3412;--ms-6:#0f766e;--ms-7:#0f172a;--ms-8:#64748b}@media (prefers-color-scheme:dark){.board-minesweeper{--ms-hidden:#475569;--ms-1:#60a5fa;--ms-2:#4ade80;--ms-3:#f87171;--ms-4:#a5b4fc;--ms-5:#fdba74;--ms-6:#5eead4;--ms-7:#f8fafc;--ms-8:#cbd5e1}}.board-minesweeper .cell{background:var(--ms-hidden);border-right-color:var(--surface);border-bottom-color:var(--surface);font-size:calc(var(--cell) * .6);font-weight:700}.board-minesweeper .cell.open{background:var(--surface);border-right-color:var(--line);border-bottom-color:var(--line)}.board-minesweeper .n1{color:var(--ms-1)}.board-minesweeper .n2{color:var(--ms-2)}.board-minesweeper .n3{color:var(--ms-3)}.board-minesweeper .n4{color:var(--ms-4)}.board-minesweeper .n5{color:var(--ms-5)}.board-minesweeper .n6{color:var(--ms-6)}.board-minesweeper .n7{color:var(--ms-7)}.board-minesweeper .n8{color:var(--ms-8)}.board-minesweeper .cell.flag:after,.board-minesweeper .cell.mine:after{font-size:calc(var(--cell) * .55);line-height:1}.board-minesweeper .cell.flag:after{content:"🚩"}.board-minesweeper .cell.mine:after{content:"💣"}.board-minesweeper .cell.boom{background:var(--bad)}.board-minesweeper .cell.misflag{background:color-mix(in srgb, var(--bad) 35%, var(--ms-hidden))}.open-icon{border:2px solid var(--muted);background:var(--surface);border-radius:3px}.flag-icon:before{content:"🚩";text-align:center;font-size:1.1rem;line-height:1.2rem;position:absolute;inset:0}.lang-select{background:var(--bar-btn);border-radius:.6rem;gap:2px;padding:2px;display:inline-flex}.lang-select button{min-width:40px;min-height:32px;color:var(--bar-fg);background:0 0;border:none;border-radius:.45rem;padding:0 .55rem;font-size:.8rem;font-weight:700}.lang-select button[aria-pressed=true]{background:var(--accent);color:var(--accent-fg)}.guide-intro{color:var(--muted);margin:0}.guide-list{flex-direction:column;gap:.5rem;display:flex}.guide-item{text-align:left;align-items:center;gap:.75rem;width:100%;min-height:56px;padding:.5rem .75rem;display:flex}.guide-item-text{flex-direction:column;flex:1;min-width:0;display:flex}.guide-item-text small{color:var(--muted);font-weight:400}.guide-item .chev{color:var(--muted);font-size:1.4rem}.guide-icon{width:2rem;height:2rem;color:var(--accent);flex:none}.guide-icon svg{width:100%;height:100%}.guide-head{align-items:center;gap:.6rem;display:flex}.guide-back{color:var(--accent);background:0 0;border:none;align-self:flex-start;min-height:40px;padding:0;font-weight:600}.guide-section h3{letter-spacing:.05em;text-transform:uppercase;color:var(--muted);margin:0 0 .35rem;font-size:.8rem}.guide-section p,.guide-section ul{margin:0;line-height:1.45}.guide-section ul{padding-left:1.2rem}.guide-section li+li{margin-top:.4rem}.example{border:1px solid var(--line);background:var(--surface);border-radius:.75rem;flex-direction:column;align-items:center;gap:.6rem;margin:0 0 .75rem;padding:.75rem;display:flex}.example figcaption{color:var(--muted);align-self:stretch;font-size:.9rem;line-height:1.4}.ex-grid{border:2px solid var(--line-strong);flex-direction:column;display:flex}.ex-row{display:flex}.ex-cell{border:1px solid var(--line);font-variant-numeric:tabular-nums;justify-content:center;align-items:center;min-width:2.2rem;height:2.2rem;padding:0 .2rem;font-weight:700;display:flex}.ex-cell.dark{background:var(--fill);color:var(--bg)}.ex-cell.hl{background:var(--highlight);color:var(--accent)}.ex-cell.op{min-width:1.4rem;color:var(--accent);border-color:#0000}.ex-pre{margin:0;font-family:ui-monospace,monospace;font-weight:700;line-height:1.3}#menu-screen .topbar h1{flex:1}.install-btn{background:var(--accent);color:var(--accent-fg);border-color:var(--accent);margin-bottom:1rem}.about{border-top:1px solid var(--line);padding-top:1rem;padding-bottom:var(--safe-bottom);flex-direction:column;gap:.5rem;margin-top:1.5rem;display:flex}.share-btn{border:1px solid var(--line);background:var(--surface);color:var(--accent);font:inherit;border-radius:999px;align-self:center;padding:.5rem 1.1rem;font-weight:600}.about .menu-note{margin:0}.about a{color:var(--accent)}