@font-face{font-family:Lexend;font-style:normal;font-display:swap;font-weight:300;src:url(/assets/lexend-latin-300-normal-pH_8eE6B.woff2) format("woff2"),url(/assets/lexend-latin-300-normal-DghY_3bB.woff) format("woff")}@font-face{font-family:Lexend;font-style:normal;font-display:swap;font-weight:300;src:url(/assets/lexend-latin-ext-300-normal-DZKhWvmP.woff2) format("woff2"),url(/assets/lexend-latin-ext-300-normal-DJx7rAFT.woff) format("woff")}@font-face{font-family:Lexend;font-style:normal;font-display:swap;font-weight:400;src:url(/assets/lexend-latin-400-normal-CwRJVcUA.woff2) format("woff2"),url(/assets/lexend-latin-400-normal-CHypAkT3.woff) format("woff")}@font-face{font-family:Lexend;font-style:normal;font-display:swap;font-weight:400;src:url(/assets/lexend-latin-ext-400-normal-D38JI5AK.woff2) format("woff2"),url(/assets/lexend-latin-ext-400-normal-D9P7pMo-.woff) format("woff")}@font-face{font-family:Lexend;font-style:normal;font-display:swap;font-weight:500;src:url(/assets/lexend-latin-500-normal-Dl-X5nog.woff2) format("woff2"),url(/assets/lexend-latin-500-normal-D9x1QWTH.woff) format("woff")}@font-face{font-family:Lexend;font-style:normal;font-display:swap;font-weight:500;src:url(/assets/lexend-latin-ext-500-normal-Bo17xs96.woff2) format("woff2"),url(/assets/lexend-latin-ext-500-normal-DbCmXT_D.woff) format("woff")}@font-face{font-family:Lexend;font-style:normal;font-display:swap;font-weight:600;src:url(/assets/lexend-latin-600-normal-DdvlkEkX.woff2) format("woff2"),url(/assets/lexend-latin-600-normal-DSBzZxpA.woff) format("woff")}@font-face{font-family:Lexend;font-style:normal;font-display:swap;font-weight:600;src:url(/assets/lexend-latin-ext-600-normal-hDcqLAH9.woff2) format("woff2"),url(/assets/lexend-latin-ext-600-normal-BXtyp5LP.woff) format("woff")}@font-face{font-family:Kalam;font-style:normal;font-display:swap;font-weight:400;src:url(/assets/kalam-latin-400-normal-BthBl_aR.woff2) format("woff2"),url(/assets/kalam-latin-400-normal-Bl-H2BUA.woff) format("woff")}@font-face{font-family:Kalam;font-style:normal;font-display:swap;font-weight:400;src:url(/assets/kalam-latin-ext-400-normal-DtcdGa4L.woff2) format("woff2"),url(/assets/kalam-latin-ext-400-normal-AcQmRO9z.woff) format("woff")}@font-face{font-family:Literata;font-style:normal;font-display:swap;font-weight:600;src:url(/assets/literata-latin-600-normal-A9sHopYh.woff2) format("woff2"),url(/assets/literata-latin-600-normal-BFEFPlMO.woff) format("woff")}@font-face{font-family:Literata;font-style:normal;font-display:swap;font-weight:600;src:url(/assets/literata-latin-ext-600-normal-iLkdh2tW.woff2) format("woff2"),url(/assets/literata-latin-ext-600-normal-DYcsrkT4.woff) format("woff")}@font-face{font-family:Literata;font-style:normal;font-display:swap;font-weight:700;src:url(/assets/literata-latin-700-normal-DYBWKELl.woff2) format("woff2"),url(/assets/literata-latin-700-normal-ocJiFfAw.woff) format("woff")}@font-face{font-family:Literata;font-style:normal;font-display:swap;font-weight:700;src:url(/assets/literata-latin-ext-700-normal-Cd5BSFN5.woff2) format("woff2"),url(/assets/literata-latin-ext-700-normal-DBR5CORb.woff) format("woff")}:root{--paper: #F2F4EA;--grid: #DCE5D3;--grid-bold: #C3D2B8;--ink: #17202B;--pen: #1B4F8C;--red: #B42318;--pencil: #67707A;--surface: #FFFFFF;--line: #CDD4C6;--sel: #C9DCF2;--peer: #EDF2F7;--same: #DCE7F4;--unit: #FBE7BF;--outie: #F2C46D;--wrong-bg: #FBE3E0;--on-pen: #FFFFFF;--on-ink: #F2F4EA;--card-bg: #17202B;--card-fg: #F2F4EA;--card-accent: #F2C46D;--frame: 2px;--sum-k: .2;--note-k: .2;--board-w: min( calc(100vw - 32px) , 540px, max(300px, calc(100svh - 300px) ));--ui: "Lexend", system-ui, -apple-system, "Segoe UI", sans-serif;--head: "Literata", Georgia, serif;--hand: "Kalam", cursive;color-scheme:light;font-family:var(--ui);color:var(--ink);-webkit-font-smoothing:antialiased}@media (prefers-color-scheme: dark){:root[data-theme=auto]{--paper: #12171C;--grid: #1A2228;--grid-bold: #243038;--ink: #E6EBE3;--pen: #8DB8F0;--red: #FF8A7A;--pencil: #9AA5AE;--surface: #192027;--line: #2E3943;--sel: #24405F;--peer: #1D2731;--same: #233447;--unit: #4A3A17;--outie: #7A5A1C;--wrong-bg: #45201C;--on-pen: #12171C;--on-ink: #12171C;--card-bg: #26313B;--card-fg: #E6EBE3;--card-accent: #F2C46D;color-scheme:dark}}:root[data-theme=dark]{--paper: #12171C;--grid: #1A2228;--grid-bold: #243038;--ink: #E6EBE3;--pen: #8DB8F0;--red: #FF8A7A;--pencil: #9AA5AE;--surface: #192027;--line: #2E3943;--sel: #24405F;--peer: #1D2731;--same: #233447;--unit: #4A3A17;--outie: #7A5A1C;--wrong-bg: #45201C;--on-pen: #12171C;--on-ink: #12171C;--card-bg: #26313B;--card-fg: #E6EBE3;--card-accent: #F2C46D;color-scheme:dark}:root[data-contrast=high]{--paper: #FFFFFF;--grid: transparent;--grid-bold: transparent;--ink: #000000;--pen: #0033A0;--red: #A30000;--pencil: #2B2B2B;--surface: #FFFFFF;--line: #6B6B6B;--sel: #A9CBFF;--peer: #EAF2FF;--same: #CFE2FF;--unit: #FFD98A;--outie: #FFB000;--wrong-bg: #FFD6D6;--frame: 3px;--card-bg: #000000;--card-fg: #FFFFFF;--card-accent: #FFD000}@media (prefers-color-scheme: dark){:root[data-theme=auto][data-contrast=high]{--paper: #000000;--ink: #FFFFFF;--pen: #9CC8FF;--red: #FF9C8F;--pencil: #DDDDDD;--surface: #000000;--line: #A0A0A0;--sel: #1F4A80;--peer: #111D2B;--same: #173458;--unit: #5C4500;--outie: #8A6400;--wrong-bg: #4D0000;--on-pen: #000000;--on-ink: #000000;--card-bg: #1A1A1A;--card-fg: #FFFFFF;--card-accent: #FFD000}}:root[data-theme=dark][data-contrast=high]{--paper: #000000;--ink: #FFFFFF;--pen: #9CC8FF;--red: #FF9C8F;--pencil: #DDDDDD;--surface: #000000;--line: #A0A0A0;--sel: #1F4A80;--peer: #111D2B;--same: #173458;--unit: #5C4500;--outie: #8A6400;--wrong-bg: #4D0000;--on-pen: #000000;--on-ink: #000000;--card-bg: #1A1A1A;--card-fg: #FFFFFF;--card-accent: #FFD000}:root[data-text=large]{font-size:120%;--sum-k: .25;--note-k: .24}*{box-sizing:border-box}html,body{margin:0;min-height:100%}body{background-color:var(--paper);background-image:linear-gradient(var(--grid-bold) 1px,transparent 1px),linear-gradient(90deg,var(--grid-bold) 1px,transparent 1px),linear-gradient(var(--grid) 1px,transparent 1px),linear-gradient(90deg,var(--grid) 1px,transparent 1px);background-size:40px 40px,40px 40px,8px 8px,8px 8px;padding:env(safe-area-inset-top,0px) 0 env(safe-area-inset-bottom,0px)}button{font:inherit;color:inherit;cursor:pointer}html{-webkit-text-size-adjust:100%;text-size-adjust:100%}button,a{touch-action:manipulation;-webkit-tap-highlight-color:transparent}button:focus-visible,a:focus-visible{outline:3px solid var(--pen);outline-offset:2px}h1,h2,h3{font-family:var(--head)}.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}.label{display:block;font-size:.72rem;letter-spacing:.08em;text-transform:uppercase;color:var(--pencil)}.page{max-width:1100px;margin:0 auto;padding:14px max(16px,env(safe-area-inset-right)) 40px max(16px,env(safe-area-inset-left))}.top{display:flex;flex-wrap:wrap;align-items:center;gap:6px 26px;margin-bottom:18px}.brand{order:0;font-family:var(--head);font-weight:700;font-size:1.35rem;color:var(--ink);text-decoration:none;letter-spacing:-.01em}.nav{order:1;display:flex;flex-wrap:wrap;gap:2px 20px}.nav a{color:var(--pencil);text-decoration:none;padding:10px 0 8px;border-bottom:2px solid transparent;white-space:nowrap}@media (hover: hover){.nav a:hover{color:var(--ink)}}.nav a.is-active{color:var(--ink);border-bottom-color:var(--ink)}.prefs{order:2;margin-left:auto;display:flex;gap:6px}.prefs button{min-width:44px;height:44px;padding:0 10px;border:1.5px solid var(--line);background:var(--paper);color:var(--ink);font-size:1rem}@media (hover: hover){.prefs button:hover{border-color:var(--ink)}}.prefs button[aria-pressed=true]{background:var(--ink);border-color:var(--ink);color:var(--on-ink)}.games{order:3;flex-basis:100%;display:flex;flex-wrap:wrap;gap:2px 20px;border-top:1px solid var(--grid-bold);padding-top:2px}.game-tab{color:var(--pencil);text-decoration:none;padding:8px 0;border-bottom:2px solid transparent;font-size:.95rem}.game-tab.is-active{color:var(--ink);border-bottom-color:var(--pen);font-weight:500}.game-tab.is-soon{cursor:default;opacity:.75}.game-tab small{font-family:var(--hand);margin-left:6px;font-size:.9rem}@media (max-width: 640px){.top{gap:2px 16px}.brand{font-size:1.15rem}.prefs .pref-quick{display:none}.nav{order:3;flex-basis:100%;flex-wrap:nowrap;overflow-x:auto;gap:18px;scrollbar-width:none}.games{display:none}.nav a{padding:6px 0;font-size:.92rem}.top{margin-bottom:10px}}@media (max-width: 420px){.game-tab.is-soon small{display:none}}.play{--coord: 0px;--board-w: min( calc(100vw - 16px) , 680px, max(300px, calc(100svh - 330px) ));display:grid;grid-template-columns:var(--board-w);grid-template-areas:"antet" "board" "hint" "helper" "tools" "pad" "panel";gap:6px;justify-content:center;-webkit-user-select:none;user-select:none;-webkit-touch-callout:none}.play>.antet{grid-area:antet}.board-wrap{grid-area:board;display:flex;flex-direction:column;gap:8px}.play>.numpad{grid-area:pad}.play>.tools{grid-area:tools}.side{display:contents}.hint-card{grid-area:hint}.side>.helper{grid-area:helper}.side:has(.hint-card)>.helper{display:none}.panel{grid-area:panel;margin-top:12px}@media (min-width: 861px),(orientation: landscape) and (min-width: 600px) and (max-height: 600px){.play{--coord: 22px;--board-w: min(680px, calc(100vw - 440px) , max(260px, calc(100svh - 120px) ));grid-template-columns:calc(var(--coord) + var(--board-w)) minmax(280px,340px);grid-template-areas:"board antet" "board tools" "board pad" "board side";grid-template-rows:auto auto auto 1fr;gap:10px 32px;align-items:start}.side{grid-area:side;display:flex;flex-direction:column;gap:12px}.side:has(.hint-card)>.helper{display:block}.panel{margin-top:0}}.board-wrap>.notice,.board-wrap>.check-note{margin-left:var(--coord)}.notice{background:var(--surface);border:var(--frame) solid var(--ink);padding:12px 14px;display:flex;flex-wrap:wrap;align-items:center;gap:8px 14px}.notice p{margin:0;flex:1 1 220px}.notice button,.notice a{border:1.5px solid var(--pen);background:transparent;color:var(--pen);padding:10px 14px;min-height:44px;text-decoration:none}.check-note{margin:0;padding:8px 12px;border:1.5px solid var(--red);color:var(--red);background:var(--surface);line-height:1.4}.page.is-game{padding-top:6px;padding-bottom:24px}.page.is-game .top{margin-bottom:6px}.page.is-game .games{display:none}@media (max-width: 640px){.page.is-game{padding-left:max(8px,env(safe-area-inset-left));padding-right:max(8px,env(safe-area-inset-right))}.page.is-game .nav{display:none}}.antet{display:grid;grid-template-columns:.95fr 1fr 1.35fr .9fr;min-height:44px;background:var(--surface);border:var(--frame) solid var(--ink)}.antet>div{position:relative;padding:4px 7px;border-left:1px solid var(--ink);min-width:0;display:flex;flex-direction:column;justify-content:center}.antet>div:first-child{border-left:0}.antet span{display:block;font-size:.6rem;letter-spacing:.08em;text-transform:uppercase;color:var(--pencil);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.antet b{display:block;font-size:.95rem;font-weight:600;font-variant-numeric:tabular-nums;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.antet b.bad{color:var(--red)}.antet .antet-time{padding-right:46px}.antet .pause{position:absolute;right:1px;top:50%;transform:translateY(-50%);width:44px;height:44px;border:0;background:transparent;color:var(--ink);font-size:.8rem}@media (min-width: 861px),(orientation: landscape) and (min-width: 600px) and (max-height: 600px){.antet{grid-template-columns:.95fr .95fr 1.5fr .8fr}.antet>div{padding:6px 8px}.antet span{font-size:.66rem}.antet b{font-size:1rem}.antet .antet-time{padding-right:48px}}.board-frame{display:grid;grid-template-columns:var(--coord) var(--board-w);grid-template-rows:var(--coord) auto}.coords{display:none;color:var(--pencil);font-size:.75rem}.coords-top{grid-column:2;grid-row:1;grid-template-columns:repeat(var(--n),1fr);text-align:center;align-items:end;padding-bottom:3px}.coords-left{grid-column:1;grid-row:2;grid-template-rows:repeat(var(--n),1fr);align-items:center}.board-frame .board{grid-column:2;grid-row:2}@media (min-width: 861px),(orientation: landscape) and (min-width: 600px) and (max-height: 600px){.coords{display:grid}}.board-frame,.board{--cell: calc(var(--board-w) / var(--n, 9))}.board{position:relative;width:var(--board-w);aspect-ratio:1;display:grid;grid-template-columns:repeat(var(--n),minmax(0,1fr));grid-template-rows:repeat(var(--n),minmax(0,1fr));background:var(--surface);border:calc(var(--frame) + .5px) solid var(--ink);-webkit-user-select:none;user-select:none;touch-action:manipulation}.cell{position:relative;border:0;border-right:1px solid var(--line);border-bottom:1px solid var(--line);background:transparent;padding:0;display:grid;place-items:center;min-width:0}.cell.lc{border-right:0}.cell.lr{border-bottom:0}.cell.br{border-right:var(--frame) solid var(--ink)}.cell.bb{border-bottom:var(--frame) solid var(--ink)}.cell.peer{background:var(--peer)}.cell.same{background:var(--same)}.cell.sel{background:var(--sel)}.cell.wrong{background:var(--wrong-bg)}.cell.wrong.sel{background:var(--sel)}.cage{position:absolute;pointer-events:none}.sum{position:absolute;top:calc(var(--cell) * .03);left:calc(var(--cell) * .05);font-size:min(calc(var(--cell) * var(--sum-k)),1.15rem);line-height:1;font-weight:600;color:var(--ink);background:var(--surface);padding:0 2px 1px 1px;z-index:1}.cell.peer .sum{background:var(--peer)}.cell.same .sum{background:var(--same)}.cell.sel .sum{background:var(--sel)}.cell.wrong .sum{background:var(--wrong-bg)}.digit{font-size:calc(var(--cell) * .56);font-weight:400;line-height:1;color:var(--ink)}.cell.user .digit,.cell.hinted .digit{color:var(--pen)}.cell.wrong .digit{color:var(--red)}.cell.wrong:after{content:"";position:absolute;width:70%;height:70%;border:2px solid var(--red);border-radius:50%;transform:rotate(-8deg);pointer-events:none}.notes-grid{position:absolute;inset:calc(var(--cell) * .17) calc(var(--cell) * .07) calc(var(--cell) * .05);display:grid;grid-template-columns:repeat(3,1fr);font-family:var(--hand);font-size:calc(var(--cell) * var(--note-k));line-height:1;color:var(--pencil);place-items:center}.sign{position:absolute;z-index:1;pointer-events:none;font-family:var(--ui);font-weight:700;line-height:1;font-size:calc(var(--cell) * .38);color:var(--ink);background:var(--surface);padding:1px 0}.sign-r{right:0;top:50%;transform:translate(50%,-50%)}.sign-d{bottom:0;left:50%;transform:translate(-50%,50%) rotate(90deg)}.board.has-signs .notes-grid{inset:calc(var(--cell) * .16)}.cell.peer .sign{background:var(--peer)}.cell.same .sign{background:var(--same)}.cell.sel .sign{background:var(--sel)}.cell.wrong .sign{background:var(--wrong-bg)}.paused{position:absolute;top:0;right:0;bottom:0;left:0;z-index:2;border:0;background:var(--surface);color:var(--pencil);font-size:1.05rem}.numpad{display:grid;grid-template-columns:repeat(5,1fr);gap:1px;background:var(--ink);border:var(--frame) solid var(--ink)}.numpad button{position:relative;min-height:50px;border:0;padding:0;background:var(--surface);font-size:1.6rem;color:var(--pen)}.numpad button:active:not(:disabled){background:var(--sel)}.numpad.is-notes button:not(.erase){font-family:var(--hand);color:var(--pencil)}.numpad button small{position:absolute;right:4px;bottom:2px;font-size:.64rem;color:var(--pencil);font-family:var(--ui)}.numpad button:disabled{color:var(--line);cursor:default}.numpad .erase{font-size:1.3rem;color:var(--ink)}@media (min-width: 600px) and (orientation: portrait){.numpad{grid-template-columns:repeat(10,1fr)}.numpad button{min-height:60px;font-size:1.8rem}}@media (min-width: 861px),(orientation: landscape) and (min-width: 600px) and (max-height: 600px){.numpad{grid-template-columns:repeat(5,1fr)}.numpad button{min-height:56px;font-size:1.75rem}}.tools{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--ink);border:1.5px solid var(--ink)}.tools button{border:0;background:var(--surface);min-height:48px;padding:4px;font-size:.9rem;display:flex;flex-wrap:wrap;align-items:center;justify-content:center;gap:0 6px;line-height:1.15}.tools button:active{background:var(--sel)}.tools button i{font-style:normal;font-size:1.1rem;line-height:1}.tools button.is-on{color:var(--pen);box-shadow:inset 0 -4px 0 var(--pen)}.tools button small{flex-basis:100%;text-align:center;font-size:.68rem;color:var(--pencil)}.tools button.is-on small{color:var(--pen)}@media (min-width: 861px),(orientation: landscape) and (min-width: 600px) and (max-height: 600px){.tools button{min-height:56px;flex-direction:column;flex-wrap:nowrap;gap:1px}.tools button small{flex-basis:auto}}.panel{display:flex;flex-direction:column;gap:14px}.levels{display:grid;grid-template-columns:repeat(4,1fr);border:1.5px solid var(--ink);background:var(--surface)}.levels button{border:0;background:transparent;padding:10px 4px;min-height:48px;font-size:.92rem;color:var(--pencil)}.levels button+button{border-left:1px solid var(--ink)}.levels button.is-active{background:var(--ink);color:var(--on-ink)}.levels button small{display:block;font-family:var(--hand);font-size:.82rem;line-height:1;margin-top:2px;color:var(--pen)}.levels button.is-active small{color:inherit;opacity:.85}.rating{font-size:.9rem;color:var(--pencil)}.rating strong{color:var(--ink);font-weight:600;margin-left:4px}.new{border:0;background:var(--pen);color:var(--on-pen);padding:14px;min-height:48px;font-weight:500}a.new{display:block;text-align:center;text-decoration:none}.keys{margin:0;font-size:.8rem;color:var(--pencil);display:none}@media (min-width: 861px) and (hover: hover){.keys{display:block}}.helper{background:var(--surface);border:1.5px solid var(--ink);height:40px;padding:0 10px;display:flex;align-items:center;gap:0 12px;overflow-x:auto;overflow-y:hidden;white-space:nowrap;scrollbar-width:none}.helper::-webkit-scrollbar{display:none}.helper p{margin:0}.helper .label{display:none}.helper.is-empty p{color:var(--pencil);font-size:.85rem}.helper-head b{font-family:var(--head);font-size:1.2rem;font-weight:700;margin-right:4px}.helper-head span{color:var(--pencil)}.combos{list-style:none;margin:0;padding:0;display:flex;gap:0 10px;font-family:var(--hand);font-size:1.15rem;color:var(--pen);line-height:1.3}.combos .is-out{display:none}.combos s{text-decoration-thickness:1.5px}.helper-note{font-size:.8rem;color:var(--ink)}.helper .out-count{display:inline}@media (min-width: 861px),(orientation: landscape) and (min-width: 600px) and (max-height: 600px){.helper{height:auto;min-height:120px;padding:10px 14px 12px;display:block;overflow:visible;white-space:normal}.helper .label{display:block}.helper.is-empty p{font-size:.9rem;line-height:1.45;margin-top:4px}.helper-head{margin-top:4px!important}.helper-head b{font-size:1.6rem;margin-right:6px}.combos{margin-top:6px;flex-wrap:wrap;gap:2px 14px;font-size:1.35rem}.combos .is-out{display:list-item;color:var(--pencil);opacity:.55}.helper-note{margin-top:6px!important;font-size:.88rem}.helper .out-count{display:none}}.cell.in-region,.cell.in-region .sum{background:var(--unit)}.cell.target{background:repeating-linear-gradient(45deg,var(--outie) 0 6px,var(--unit) 6px 12px);box-shadow:inset 0 0 0 3px var(--ink);z-index:1}.cell.target .sum{background:var(--outie)}.hint-card{background:var(--card-bg);color:var(--card-fg);padding:8px 12px 10px;font-size:.92rem;-webkit-user-select:text;user-select:text}.hint-card .label{color:var(--card-accent)}.hint-card p{margin:4px 0 0;line-height:1.45}.calc{display:none;margin:10px 0 0;padding:8px 10px;background:var(--surface);color:var(--ink);font-variant-numeric:tabular-nums}.calc-row{display:grid;grid-template-columns:1.1em 3ch 1fr;gap:0 8px;align-items:baseline}.calc-row .op,.calc-row .num{font-family:var(--hand);font-size:1.35rem;color:var(--pen);text-align:right;line-height:1.25}.calc-row em{font-style:normal;font-size:.82rem;color:var(--pencil)}.calc-row.is-result{border-top:2px solid var(--pen);margin-top:2px}.hint-actions{display:flex;flex-wrap:wrap;gap:8px;margin-top:8px}.hint-actions button{min-height:44px;padding:8px 14px;background:transparent;color:var(--card-accent);border:1.5px solid var(--card-accent)}.hint-actions .quiet-dark{color:var(--card-fg);border-color:transparent;text-decoration:underline}@media (min-width: 861px),(orientation: landscape) and (min-width: 600px) and (max-height: 600px),(min-width: 600px) and (orientation: portrait){.calc{display:block}}@media (min-width: 861px),(orientation: landscape) and (min-width: 600px) and (max-height: 600px){.hint-card{padding:12px 14px 14px;font-size:1rem}.hint-actions{margin-top:12px}}.sum.is-ok{color:var(--pen)}.sum.is-sum,.sum.is-dup{color:var(--red);font-weight:700}.board.is-won .cell{animation:ink-wave .9s ease-out both;animation-delay:calc(var(--i) * 45ms)}@keyframes ink-wave{0%{background:var(--surface)}35%{background:var(--sel)}to{background:var(--surface)}}.won-stamp{position:absolute;top:0;right:0;bottom:0;left:0;margin:auto;width:max-content;height:max-content;z-index:3;pointer-events:none;padding:.1em .5em;border:5px double var(--pen);color:var(--pen);background:var(--surface);font-family:var(--head);font-weight:700;font-size:calc(var(--board-w) * .1);transform:rotate(-8deg);animation:stamp .45s .45s cubic-bezier(.2,1.6,.4,1) both}@keyframes stamp{0%{transform:rotate(-8deg) scale(2.4);opacity:0}to{transform:rotate(-8deg) scale(1);opacity:1}}.modal-back{position:fixed;top:0;right:0;bottom:0;left:0;background:#0c111680;display:grid;place-items:center;padding:16px;z-index:10}.modal{background:var(--surface);border:var(--frame) solid var(--ink);padding:22px 24px 24px;width:min(440px,100%);max-height:calc(100svh - 32px);overflow-y:auto;display:flex;flex-direction:column;gap:10px}.modal h2{margin:0 0 4px;font-weight:700;font-size:1.45rem}.modal p{margin:0 0 6px;line-height:1.5}.modal .muted{color:var(--pencil);font-size:.92rem}.modal .options{display:flex;flex-direction:column;gap:8px;margin-bottom:4px}.modal .options button{text-align:left;padding:14px 16px;font-size:1rem}@media (hover: hover){.modal .options button:hover{border-color:var(--pen);color:var(--pen)}}.modal button,.modal .modal-link{border:1.5px solid var(--ink);background:transparent;padding:12px;min-height:48px}.modal .modal-link{display:block;text-align:center;text-decoration:none;color:var(--ink)}.modal button.primary,.modal .modal-link.primary{background:var(--pen);color:var(--on-pen);border-color:var(--pen);font-weight:500}.rating-change strong{font-weight:600}.rating-change span{color:var(--pencil)}.choice{border:0;padding:0;margin:0 0 6px}.choice legend{font-size:.72rem;letter-spacing:.08em;text-transform:uppercase;color:var(--pencil);padding:0;margin-bottom:6px}.choice small{display:block;margin-top:4px;font-size:.8rem;color:var(--pencil);line-height:1.4}.choice div{display:flex;border:1.5px solid var(--ink)}.modal .choice button{flex:1;border:0;min-height:44px;padding:8px 6px;font-size:.95rem}.modal .choice button+button{border-left:1px solid var(--ink)}.modal .choice button[aria-pressed=true]{background:var(--ink);color:var(--on-ink)}.rules ol{margin:0 0 12px;padding-left:1.3em;line-height:1.6;display:flex;flex-direction:column;gap:6px}.rules p{margin:0 0 10px;line-height:1.6}.rules .tip{background:var(--surface);border:1.5px solid var(--ink);border-left-width:6px;padding:10px 12px}.rules .muted{color:var(--pencil);font-size:.92rem}.sheet{max-width:780px;margin:0 auto}.sheet h1{font-weight:700;font-size:1.75rem;margin:6px 0 18px;letter-spacing:-.01em}.sheet>.muted{color:var(--pencil);font-size:.85rem;line-height:1.5;margin:14px 0}.hero-card{background:var(--surface);border:var(--frame) solid var(--ink);padding:14px 18px;margin-bottom:20px}.hero-card .label{font-size:.72rem;letter-spacing:.08em;text-transform:uppercase;color:var(--pencil)}.hero-card .hero{display:block;font-family:var(--head);font-size:3.1rem;font-weight:700;line-height:1.1;letter-spacing:-.02em}.hero-card p{margin:6px 0 0;color:var(--pencil);line-height:1.5}.levels.tabs{grid-template-columns:repeat(5,1fr);margin-bottom:14px}.tiles{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:0;padding:1px}.tile{background:var(--surface);padding:12px 14px;min-width:0;box-shadow:0 0 0 1px var(--ink)}.tile span{display:block;font-size:.72rem;letter-spacing:.06em;text-transform:uppercase;color:var(--pencil)}.tile strong{display:block;font-size:1.6rem;font-weight:600;margin-top:4px;font-variant-numeric:tabular-nums}@media (max-width: 560px){.tiles{grid-template-columns:repeat(2,1fr)}.levels.tabs button{font-size:.8rem}}.today-card .today-level{display:block;font-family:var(--head);font-size:1.5rem;font-weight:700;margin:2px 0 6px}.today-card .button-link{margin-top:4px}.calendar{background:var(--surface);border:var(--frame) solid var(--ink);padding:16px}.calendar-head{display:flex;align-items:center;justify-content:space-between;gap:8px;max-width:434px;margin:0 auto}.calendar-head h2{margin:0;font-size:1.2rem;font-weight:700;text-transform:capitalize}.calendar-head .quiet{width:44px;height:44px;padding:0;font-size:1.2rem}.calendar-head .quiet:disabled{opacity:.35;cursor:default}.calendar-sum{margin:4px 0 12px;text-align:center;color:var(--pencil);font-size:.88rem}.calendar-grid{display:grid;grid-template-columns:repeat(7,1fr);gap:0;max-width:434px;margin:0 auto}.calendar-grid .weekday{text-align:center;font-size:.72rem;letter-spacing:.06em;text-transform:uppercase;color:var(--pencil);padding-bottom:4px}.day{position:relative;aspect-ratio:1;display:grid;place-items:center;border:1px solid var(--line);margin:0 -1px -1px 0;color:var(--ink);text-decoration:none;font-variant-numeric:tabular-nums;font-size:.95rem;background:var(--surface)}@media (hover: hover){a.day:hover{background:var(--peer);z-index:1;outline:1.5px solid var(--ink)}}.day.is-off{background:transparent;color:var(--pencil);opacity:.5}.day.is-today{outline:3px solid var(--ink);outline-offset:-3px;font-weight:700;z-index:1}.day.is-won{background:var(--pen);color:var(--on-pen)}.day.is-won i{position:absolute;right:2px;top:0;font-style:normal;font-family:var(--hand);font-size:.95rem;color:var(--on-pen);line-height:1}.day.is-lost{background:repeating-linear-gradient(45deg,var(--surface) 0 5px,var(--wrong-bg) 5px 8px)}.stamp{--s: 64px;flex:none;width:var(--s);height:var(--s);border-radius:50%;display:grid;place-items:center;border:2px solid var(--line);color:var(--pencil);background:var(--paper);position:relative;font-family:var(--hand);line-height:1;text-align:center}.stamp:after{content:"";position:absolute;top:5px;right:5px;bottom:5px;left:5px;border-radius:50%;border:1.5px dashed currentColor;opacity:.6}.stamp>span{font-size:calc(var(--s) * .32);display:flex;flex-direction:column;align-items:center}.stamp small{font-family:var(--ui);font-size:.55em;margin-top:2px}.stamp.is-earned{border-color:var(--pen);color:var(--pen);background:var(--surface);transform:rotate(-6deg)}.stamp-lg{--s: 76px}.stamp-sm{--s: 30px;border-width:1.5px}.stamp-sm:after{top:3px;right:3px;bottom:3px;left:3px;border-width:1px}.award-section{margin-bottom:28px}.award-section h2{font-size:1.2rem;font-weight:700;margin:0 0 4px}.award-section h2 small{font-family:var(--ui);font-size:.85rem;font-weight:400;color:var(--pencil);margin-left:6px}.award-section>.muted{color:var(--pencil);font-size:.88rem;margin:0 0 12px;line-height:1.5}.trophies,.badges{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:0;padding:1px}.award{display:flex;gap:14px;align-items:center;background:var(--surface);padding:14px;min-width:0;box-shadow:0 0 0 1px var(--ink)}.award>div{min-width:0;flex:1}.award h3{margin:0 0 2px;font-family:var(--ui);font-size:1rem;font-weight:600;text-transform:capitalize}.award.badge h3{text-transform:none}.award p{margin:0;font-size:.84rem;color:var(--pencil);line-height:1.4}.award p.earned{color:var(--pen);margin-top:4px}.award p.count{margin-top:2px;font-size:.78rem}.award:not(.is-earned) h3{color:var(--pencil)}.meter{height:8px;background:repeating-linear-gradient(90deg,var(--line) 0 1px,transparent 1px 10%);border:1px solid var(--line);margin-top:8px}.meter span{display:block;height:100%;background:var(--pen)}.new-awards{border:1.5px solid var(--pen);padding:10px 12px;display:flex;flex-direction:column;gap:6px}.new-awards p{display:flex;align-items:center;gap:10px;margin:0}.new-awards a{color:var(--pen);font-size:.9rem}.quiet{border:1.5px solid var(--line);background:var(--surface);padding:8px 14px;min-height:44px;color:var(--ink);font-size:.9rem}@media (hover: hover){.quiet:hover:not(:disabled){border-color:var(--ink)}}.button-link{display:inline-block;margin-top:8px;background:var(--pen);color:var(--on-pen);padding:13px 20px;text-decoration:none;font-weight:500}@media (prefers-reduced-motion: reduce){*{transition:none!important;animation:none!important}}.prose{line-height:1.65}.prose h2{font-size:1.2rem;font-weight:700;margin:28px 0 6px}.prose p,.prose li{max-width:68ch}.prose a{color:var(--pen)}.prose .muted{color:var(--pencil);font-size:.9rem}.contact-mail{font-size:1.25rem;font-weight:500}.facts{display:grid;grid-template-columns:max-content 1fr;gap:0;margin:8px 0;border:1.5px solid var(--ink);background:var(--surface);max-width:560px}.facts dt,.facts dd{padding:8px 12px;border-top:1px solid var(--line)}.facts dt:first-of-type,.facts dd:first-of-type{border-top:0}.facts dt{color:var(--pencil);border-right:1px solid var(--line);font-size:.9rem}.facts dd{margin:0;overflow-wrap:anywhere}.placeholder{color:var(--red);font-family:var(--hand)}.my-data{margin-top:32px;padding:4px 18px 18px;border:1.5px dashed var(--ink);background:var(--surface)}.player-id{font-size:.95rem;overflow-wrap:anywhere;background:var(--peer);padding:4px 8px}button.danger{background:transparent;color:var(--red);border:1.5px solid var(--red);padding:12px 18px;min-height:48px;font-weight:500}@media (hover: hover){button.danger:hover{background:var(--wrong-bg)}}.foot{max-width:780px;margin:48px auto 0;padding-top:14px;border-top:1.5px solid var(--ink)}.foot nav{display:flex;flex-wrap:wrap;justify-content:center;gap:0 22px}.foot a{color:var(--pencil);text-decoration:none;font-size:.9rem;padding:12px 0}@media (hover: hover){.foot a:hover,.foot a.is-active{color:var(--ink);text-decoration:underline}}.home{max-width:1040px;margin:0 auto}.home h1{font-weight:700;font-size:2rem;margin:6px 0 16px;letter-spacing:-.01em}.home-grid{display:grid;grid-template-columns:minmax(0,1.45fr) minmax(0,1fr);gap:16px;align-items:stretch}.home-grid .today.is-main{grid-row:span 2}.home-grid .today.is-main .mini-board,.home-grid .today.is-main .mini-board.is-loading{width:220px;height:220px}@media (max-width: 800px){.home-grid{grid-template-columns:minmax(0,1fr)}.home-grid .today.is-main{grid-row:auto}.home-grid .today.is-main .mini-board,.home-grid .today.is-main .mini-board.is-loading{width:132px;height:132px}}.home-card{background:var(--surface);border:var(--frame) solid var(--ink);display:flex;flex-direction:column}.home-card>.label{padding:7px 14px;border-bottom:1px solid var(--ink)}.home-card>h2,.home-card>p,.home-card>.answers,.home-card>.button-link{margin-left:16px;margin-right:16px}.home-card h2{font-size:1.5rem;font-weight:700;margin-top:12px;margin-bottom:4px}.home-card p{margin-top:0;line-height:1.5;color:var(--pencil)}.home-card>.button-link{align-self:flex-start;margin-bottom:16px;margin-top:auto}.home-card .muted{font-size:.85rem;margin-bottom:14px}.home-card-body{display:flex;gap:18px;align-items:flex-start;justify-content:space-between;padding:0 16px 16px;flex:1}.home-card-body>div{display:flex;flex-direction:column;min-width:0;align-self:stretch}.home-card-body .button-link{align-self:flex-start;margin-top:auto}.home-card-body .mini-board{margin-top:14px;flex:none}.answers{display:flex;flex-direction:column;gap:8px;margin-bottom:10px}.answers button{text-align:left;min-height:48px;padding:10px 14px;border:1.5px solid var(--ink);background:var(--surface);font-size:1rem}@media (hover: hover){.answers button:hover{background:var(--peer);color:var(--pen);border-color:var(--pen)}}.mini-board{display:block}.mini-board.is-loading{width:132px;height:132px;margin-top:14px;flex:none;background:repeating-linear-gradient(45deg,var(--peer) 0 6px,transparent 6px 12px);border:1.5px solid var(--line)}.mb-bg{fill:var(--surface)}.mb-cage{fill:none;stroke:var(--pencil);stroke-width:.45;stroke-dasharray:1.4 .9}.mb-box{fill:none;stroke:var(--ink);stroke-width:.9}.mb-frame{fill:none;stroke:var(--ink);stroke-width:1.4}.mb-sum{font-family:var(--ui);font-size:3px;font-weight:600;fill:var(--ink)}.mb-digit{font-family:var(--ui);font-size:7.5px;fill:var(--pen);text-anchor:middle}.mb-grid{fill:none;stroke:var(--line);stroke-width:.5}.mb-sign{font-family:var(--ui);font-weight:600;fill:var(--ink);text-anchor:middle;dominant-baseline:central;paint-order:stroke;stroke:var(--surface);stroke-width:1.6px}@media (max-width: 420px){.home-card-body .mini-board,.mini-board.is-loading{width:104px;height:104px}}.week{margin-top:28px}.week-head{display:flex;align-items:baseline;justify-content:space-between;gap:12px;margin-bottom:8px;max-width:560px}.week-head h2{font-size:1.3rem;font-weight:700;margin:0}.week-head a{color:var(--pen);padding:10px 0}.week-days{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(7,1fr);border:1.5px solid var(--ink);gap:1px;background:var(--ink);max-width:560px}.week-day{position:relative;display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:64px;background:var(--surface);color:var(--ink);text-decoration:none}.week-day small{font-size:.72rem;color:var(--pencil);text-transform:uppercase;letter-spacing:.04em}.week-day b{font-size:1.15rem;font-weight:600;font-variant-numeric:tabular-nums}@media (hover: hover){.week-day:hover{background:var(--peer)}}.week-day.is-won{background:var(--pen);color:var(--on-pen)}.week-day.is-won small{color:var(--on-pen);opacity:.85}.week-day.is-won i{position:absolute;right:4px;top:2px;font-style:normal;font-family:var(--hand)}.week-day.is-lost{background:repeating-linear-gradient(45deg,var(--surface) 0 5px,var(--wrong-bg) 5px 8px)}.week-day.is-today{box-shadow:inset 0 0 0 3px var(--ink)}.home-games{margin-top:28px}.home-games h2{font-size:1.3rem;font-weight:700;margin:0 0 8px}.home-games ul{list-style:none;margin:0;padding:1px;display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:0}.home-games li{background:var(--surface);padding:14px 16px 16px;display:flex;flex-direction:column;box-shadow:0 0 0 1px var(--ink)}.home-games h3{font-family:var(--ui);font-size:1.05rem;font-weight:600;margin:0 0 4px}.home-games p{margin:0 0 12px;color:var(--pencil);line-height:1.5;font-size:.92rem;flex:1}.home-games .button-link{align-self:flex-start;margin-top:0}.home-games .is-soon h3{color:var(--pencil)}.home-games .soon{font-family:var(--hand);color:var(--pen);font-size:1.1rem}@media (orientation: landscape) and (max-height: 500px){.page.is-game{padding-top:4px;padding-bottom:8px}.page.is-game .top{margin-bottom:4px}.page.is-game .nav{display:none}.play{--board-w: min( calc(100vw - 420px) , max(240px, calc(100svh - 84px) ));gap:6px 24px}.tools button{min-height:44px;flex-direction:row;flex-wrap:nowrap;gap:6px}.tools button small{display:none}.numpad button{min-height:46px;font-size:1.5rem}.side .helper{min-height:0}}.guide{max-width:780px;margin:40px auto 0;line-height:1.6}.guide h2{font-size:1.35rem;font-weight:700;margin:28px 0 8px}.guide a{color:var(--pen)}.guide-rules{padding-left:1.3em}.guide-tips{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:0;padding:1px}.guide-tips>div{background:var(--surface);padding:12px 16px;box-shadow:0 0 0 1px var(--ink)}.guide-tips h3{font-family:var(--ui);font-size:1rem;font-weight:600;margin:0 0 4px}.guide-tips p{margin:0;color:var(--pencil);font-size:.94rem}.faq{margin:0}.faq>div{border-top:1px solid var(--line);padding:12px 0}.faq dt{font-weight:600}.faq dd{margin:4px 0 0;color:var(--pencil)}.home-intro{margin:-6px 0 18px;color:var(--pencil);max-width:68ch;line-height:1.55}.crumbs{font-size:.88rem;color:var(--pencil);margin-bottom:6px}.crumbs a{color:var(--pencil)}.toc{display:flex;flex-wrap:wrap;gap:4px 16px}.toc a{padding:8px 0}.combo-table{width:100%;border-collapse:collapse;background:var(--surface);border:1.5px solid var(--ink);margin-bottom:8px;font-variant-numeric:tabular-nums}.combo-table th,.combo-table td{border-top:1px solid var(--line);padding:6px 12px;text-align:left;vertical-align:top}.combo-table thead th{font-size:.72rem;letter-spacing:.08em;text-transform:uppercase;color:var(--pencil);font-weight:500;border-top:0}.combo-table tbody th{width:5.5em;font-family:var(--head);font-size:1.1rem}.combo-table td{font-family:var(--hand);font-size:1.2rem;color:var(--pen);letter-spacing:.04em}.combo-table tr.is-unique{background:var(--unit)}.combo-table em{font-family:var(--ui);font-style:normal;font-size:.75rem;color:var(--ink);letter-spacing:.06em;text-transform:uppercase;margin-left:6px}.game-switch{display:flex;flex-wrap:wrap;gap:0;margin:-6px 0 16px;border-bottom:1.5px solid var(--ink)}.game-switch button{border:0;background:transparent;padding:10px 14px;min-height:44px;color:var(--pencil);border-bottom:3px solid transparent;margin-bottom:-1.5px}.game-switch button.is-active{color:var(--ink);border-bottom-color:var(--pen);font-weight:600}.rules-list{padding-left:1.3em;line-height:1.6}.numpad.is-short{grid-template-columns:repeat(var(--keys),1fr)}@media (max-width: 520px){.numpad.is-short{grid-template-columns:repeat(var(--keys-narrow),1fr)}}