:root{--sa-t: var(--safe-top, env(safe-area-inset-top, 0px));--sa-r: var(--safe-right, env(safe-area-inset-right, 0px));--sa-b: var(--safe-bottom, env(safe-area-inset-bottom, 0px));--sa-l: var(--safe-left, env(safe-area-inset-left, 0px));--ex: calc(max(0px, var(--sa-l) - 12px) + max(0px, var(--sa-r) - 12px)) ;--ey: calc(max(0px, var(--sa-t) - 12px) + max(0px, var(--sa-b) - 12px)) ;--ey8: calc(max(0px, var(--sa-t) - 8px) + max(0px, var(--sa-b) - 8px)) ;--bg: #f4f1ea;--surface: #fffdf8;--ink: #1e2430;--ink-soft: #5b6472;--line: #c9c3b6;--line-strong: #2a3140;--accent: #2456b8;--accent-ink: #ffffff;--entered: #2456b8;--sel: #b9d0fa;--peer: #e6edf9;--same: #cfe0fc;--wrong: #b3261e;--wrong-bg: #fadad7;--key: #ece7dc;--key-active: #c9daf8;--shadow: rgba(30, 36, 48, .25);--hint-look: #fbeec2;--ring: #1b4aa8;--hint-pattern: #f5d98a;--hint-target: #b25e00;color-scheme:light}@media(prefers-color-scheme:dark){:root:not([data-theme=light]){--bg: #14171d;--surface: #1c2129;--ink: #e9edf3;--ink-soft: #a5afbf;--line: #3b4350;--line-strong: #aab4c4;--accent: #7aa7ff;--accent-ink: #0e1420;--entered: #8db4ff;--sel: #2f4a7d;--peer: #2b3646;--same: #34456a;--wrong: #ff8a80;--wrong-bg: #4a2523;--key: #262d38;--key-active: #35508a;--shadow: rgba(0, 0, 0, .6);--hint-look: #4a3d12;--hint-pattern: #644c0c;--hint-target: #ffb454;--ring: #bcd3ff;color-scheme:dark}}:root[data-theme=dark]{--bg: #14171d;--surface: #1c2129;--ink: #e9edf3;--ink-soft: #a5afbf;--line: #3b4350;--line-strong: #aab4c4;--accent: #7aa7ff;--accent-ink: #0e1420;--entered: #8db4ff;--sel: #2f4a7d;--peer: #2b3646;--same: #34456a;--wrong: #ff8a80;--wrong-bg: #4a2523;--key: #262d38;--key-active: #35508a;--shadow: rgba(0, 0, 0, .6);--hint-look: #4a3d12;--hint-pattern: #644c0c;--hint-target: #ffb454;--ring: #bcd3ff;color-scheme:dark}*{box-sizing:border-box}html,body{margin:0;background:var(--bg);color:var(--ink);font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif;-webkit-text-size-adjust:100%}button{font:inherit;color:inherit;background:none;border:0;padding:0;cursor:pointer;touch-action:manipulation;-webkit-tap-highlight-color:transparent;user-select:none;-webkit-touch-callout:none}h1[tabindex="-1"]:focus,h2[tabindex="-1"]:focus{outline:none}button:focus-visible{outline:3px solid var(--accent);outline-offset:2px}button:disabled{cursor:default}#app{min-height:100dvh;padding:max(12px,var(--safe-top, env(safe-area-inset-top))) max(12px,var(--safe-right, env(safe-area-inset-right))) max(12px,var(--safe-bottom, env(safe-area-inset-bottom))) max(12px,var(--safe-left, env(safe-area-inset-left)));display:flex;justify-content:center}.menu{width:min(100%,420px);display:flex;flex-direction:column;gap:12px;justify-content:flex-end}.title{font-size:2.6rem;margin:auto 0;text-align:center;letter-spacing:.02em}.section{font-size:1rem;font-weight:600;color:var(--ink-soft);margin:12px 0 0}.levels{display:grid;grid-template-columns:1fr 1fr;gap:12px}.big{min-height:60px;padding:10px 16px;border-radius:14px;background:var(--key);border:1px solid var(--line);font-size:1.15rem;font-weight:600;display:flex;flex-direction:column;align-items:center;justify-content:center}.big.primary{background:var(--accent);color:var(--accent-ink);border-color:var(--accent)}.big-sub{font-size:.85rem;font-weight:400;opacity:.9}.plain{min-height:48px;min-width:48px;padding:0 14px;border-radius:10px;color:var(--accent);font-weight:600}.big:disabled{background:transparent;border-style:dashed;color:var(--ink)}.big:disabled .big-main:before{content:"✓ " / "";color:var(--accent)}.big:disabled .big-sub{color:var(--ink-soft);opacity:1}.menu-foot{display:grid;grid-template-columns:1fr 1fr;gap:12px}.menu-foot .plain{border:1px solid var(--line);background:var(--surface)}.game{--board: max(220px, min(100vw - 24px - var(--ex), 100dvh - 290px - var(--ey), 600px));width:var(--board);min-height:calc(100dvh - 24px - var(--ey));display:flex;flex-direction:column;gap:10px}.game .board{margin-block:auto;flex:none}.game .controls{flex:none}.bar{display:flex;align-items:center;justify-content:space-between;gap:4px;min-height:48px}.bar .plain{flex:none}.bar-mid{display:flex;flex-wrap:wrap;justify-content:center;align-items:baseline;column-gap:8px;min-width:0;text-align:center}.level-name{margin:0;font-weight:700;font-size:1.05rem}.timer,.fact-value{unicode-bidi:isolate}.timer{font-variant-numeric:tabular-nums;color:var(--ink-soft);font-size:.95rem}.bar .plain{padding:0 8px}.board,.pad{direction:ltr}.board{width:var(--board);height:var(--board);display:grid;grid-template-columns:repeat(9,1fr);grid-template-rows:repeat(9,1fr);border:2px solid var(--line-strong);background:var(--surface)}.cell{position:relative;border-right:1px solid var(--line);border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:center;overflow:hidden;background:var(--surface)}.cell:nth-child(9n){border-right:0}.cell:nth-child(n+73){border-bottom:0}.cell.box-right{border-right:2px solid var(--line-strong)}.cell.box-bottom{border-bottom:2px solid var(--line-strong)}.cell.peer{background:var(--peer)}.cell.same{background:var(--same)}.cell.selected{background:var(--sel);box-shadow:inset 0 0 0 3px var(--ring)}.cell.wrong{background:var(--wrong-bg)}.cell.hint-look{background:var(--hint-look)}.cell.hint-pattern{background:var(--hint-pattern)}.cell.hint-target,.cell.selected.hint-target{box-shadow:inset 0 0 0 3px var(--hint-target)}.notes .hint-del{color:var(--hint-target);text-decoration:line-through;font-weight:800}.cell:focus-visible{outline-offset:-3px;z-index:1}.v{font-size:calc(var(--board) / 9 * .58);line-height:1;font-weight:500;color:var(--entered)}.cell.given .v{color:var(--ink);font-weight:700}.cell.wrong .v{color:var(--wrong);text-decoration:underline wavy;text-decoration-thickness:max(2px,.07em);text-underline-offset:.12em}.notes{position:absolute;inset:0;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));grid-template-rows:repeat(3,minmax(0,1fr));place-items:center;font-size:max(9px,calc(var(--board) / 9 / 2.75));line-height:1;color:var(--ink-soft)}:root:lang(fa) .notes{font-size:max(9px,calc(var(--board) / 9 / 3.4))}.notes .hit{color:var(--accent);font-weight:800}.controls{display:flex;flex-direction:column;gap:8px}.tools{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,3.5rem),1fr));gap:6px}.tool{min-height:48px;border-radius:10px;border:1px solid var(--line);background:var(--surface);font-size:clamp(.62rem,2.8vw,.76rem);font-weight:600;line-height:1.1;padding:0 1px;hyphens:manual;overflow-wrap:normal;letter-spacing:-.01em}:root:lang(es) .tool{font-size:.72rem;letter-spacing:-.01em;padding:0 3px}.tool:disabled{opacity:.4}.key.pad-pick{outline:3px dashed var(--accent);outline-offset:-3px}.tool.active,.key.active{background:var(--key-active);border-color:var(--accent)}.pad{display:grid;grid-template-columns:repeat(5,1fr);gap:8px}.key{position:relative;min-height:56px;border-radius:12px;background:var(--key);border:1px solid var(--line);display:flex;align-items:center;justify-content:center}.key-d{font-size:1.7rem;font-weight:600;line-height:1}.key-n{position:absolute;right:6px;bottom:3px;font-size:.75rem;font-weight:600;color:var(--ink)}.key.erase{font-size:.85rem;font-weight:600;line-height:1.1;padding:0 3px;hyphens:manual;overflow-wrap:normal;font-size:clamp(.66rem,3.3vw,.85rem)}.key:disabled{opacity:.55}.hint-card{display:flex;flex-direction:column;gap:6px;padding:10px 12px;border-radius:14px;background:var(--surface);border:2px solid var(--hint-target);min-height:0;overflow:hidden}.game.hinting{--board: max(220px, min(100vw - 24px - var(--ex), 100dvh - 400px - var(--ey), 600px))}.game.hinting{height:calc(100dvh - 24px - var(--ey))}.game.hinting .board{margin-block:0}.game.hinting .controls{flex:1 1 auto;min-height:0;margin-bottom:4px}.game.hinting .hint-card{flex:1 1 auto}.hint-card[hidden],.tools[hidden],.pad[hidden]{display:none}.hint-title{margin:0;font-size:1rem}.hint-body{margin:0;font-size:.95rem;line-height:1.35;flex:0 1 auto;min-height:3em;overflow-y:auto;overscroll-behavior:contain}.hint-title{flex:none}.hint-buttons{flex:none;display:grid;grid-template-columns:auto 1fr;gap:8px;margin-top:auto}.hint-buttons .big{min-height:48px}.game.won .pad,.game.won .tools{opacity:.45}@media(min-aspect-ratio:5/4){#app{padding-top:max(8px,var(--safe-top, env(safe-area-inset-top)));padding-bottom:max(8px,var(--safe-bottom, env(safe-area-inset-bottom)));align-items:center}.game,.game.hinting{--board: max(200px, min(100dvh - 16px - var(--ey8), 100vw - 340px - var(--ex), 800px));width:100%;max-width:calc(var(--board) + 16px + 440px);height:var(--board);min-height:0;display:grid;grid-template-columns:var(--board) minmax(280px,1fr);grid-template-rows:auto minmax(0,1fr);grid-template-areas:"board bar" "board controls";column-gap:16px;row-gap:6px}.game .board,.game.hinting .board{grid-area:board;margin:0}.bar{grid-area:bar}.game .controls,.game.hinting .controls{grid-area:controls;min-height:0;margin:0;justify-content:flex-end}.game.hinting .controls{justify-content:flex-start}.game.hinting .hint-card{flex:0 1 auto}.hint-card{padding:8px 12px}.key{min-height:52px}.menu{width:min(100%,720px);gap:8px;justify-content:center}.title{font-size:1.8rem;margin:0}.section{margin:0}.levels{grid-template-columns:repeat(4,1fr)}}@media(min-aspect-ratio:5/4)and (min-height:640px){.menu{width:min(100%,520px);gap:12px}.title{font-size:2.6rem;margin:0 0 8px}.levels{grid-template-columns:1fr 1fr}.game{row-gap:10px}.hint-card{padding:12px 16px}}@media(min-aspect-ratio:5/4)and (max-height:520px){.big{min-height:48px;padding-block:4px;line-height:1.2}}.overlay{position:fixed;inset:0;background:#0a0e148c;display:flex;align-items:center;justify-content:center;padding:12px;z-index:10}.panel{min-width:0;width:min(100%,440px);max-height:100%;overflow-y:auto;background:var(--surface);border-radius:18px;padding:18px;box-shadow:0 10px 40px var(--shadow);display:flex;flex-direction:column;gap:14px}.panel h2{margin:0;font-size:1.4rem}.panel.win{text-align:center}.panel.win p{margin:0;color:var(--ink-soft)}.busy{background:var(--bg)}.busy-text{font-size:1.2rem;font-weight:600}.row{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap}.row-text{display:flex;flex-direction:column;gap:2px;flex:1 1 180px}.row-label{font-weight:600}.row-hint{font-size:.85rem;color:var(--ink-soft)}.switch,.segment,.lang-open{min-height:48px;min-width:64px;padding:0 12px;border:1px solid var(--line);border-radius:10px;background:var(--key);font-weight:600}.switch[aria-checked=true],.segment[aria-pressed=true]{background:var(--accent);color:var(--accent-ink);border-color:var(--accent)}.lang-open{max-width:100%;padding:4px 14px;overflow-wrap:anywhere}.lang-open:after{content:"›";margin-inline-start:10px;font-weight:700}:root[dir=rtl] .lang-open:after{content:"‹"}.lang-list{display:grid;grid-template-columns:repeat(auto-fill,minmax(min(100%,220px),1fr));gap:6px}.lang-item{min-height:52px;padding:6px 14px;display:flex;align-items:center;justify-content:space-between;gap:8px;border:1px solid var(--line);border-radius:10px;background:var(--key);font-size:1.05rem;font-weight:600;text-align:start;overflow-wrap:anywhere}.lang-item[aria-current=true]{background:var(--accent);color:var(--accent-ink);border-color:var(--accent)}.lang-check{flex:none;font-weight:700}.segments{display:grid;grid-auto-flow:column;grid-auto-columns:minmax(0,1fr);gap:6px;flex:1 1 auto;max-width:100%;min-width:0}.segment{min-width:0;padding:4px 3px;line-height:1.15;hyphens:manual;overflow-wrap:normal;font-size:clamp(.7rem,3.4vw,1rem)}.actions{display:flex;flex-direction:column;gap:10px;position:sticky;bottom:-18px;margin:0 -18px -18px;padding:10px 18px 18px;background:linear-gradient(to bottom,transparent,var(--surface) 8px)}.row-actions{flex-direction:row}.row-actions .big{flex:1 1 0}.panel.win .actions{flex-direction:row}.panel.win .actions .big{flex:2 1 0}.panel.win .actions .plain{flex:1 1 0;border:1px solid var(--line);background:var(--key)}@media(max-aspect-ratio:5/4){.overlay:has(.panel.win){align-items:flex-end;padding-bottom:max(12px,var(--sa-b))}}@media(orientation:landscape)and (max-height:640px){.panel{width:min(100%,760px);padding:12px 18px;gap:8px 28px}.actions{bottom:-12px;margin:0 -18px -12px;padding:8px 18px 12px}.panel.settings{display:grid;grid-template-columns:1fr 1fr;align-content:start}.panel.settings h2,.panel.stats h2{grid-column:1;grid-row:1;align-self:center}.panel.settings .actions,.panel.stats .actions{grid-column:2;grid-row:1;top:0;bottom:auto;margin:0;padding:0;background:var(--surface);z-index:1}.panel.settings .actions .big,.panel.stats .actions .big{min-height:44px;align-self:flex-end;width:min(100%,220px)}.panel.stats{display:grid;grid-template-columns:1.25fr 1fr;align-content:start}.panel.stats .stats-table{grid-column:1;grid-row:2 / span 3;align-self:start}.panel.stats .row-hint{grid-column:1;grid-row:5}.panel.stats .stats-sub,.panel.stats .facts,.panel.stats .plain.danger{grid-column:2}.panel.stats .stats-table th,.panel.stats .stats-table td{padding:3px 4px}.panel.win,.panel.reset{width:min(100%,440px);display:flex;gap:8px}.panel.win .facts{max-width:260px}}.facts{display:flex;flex-direction:column;gap:4px}.fact{display:flex;justify-content:space-between;gap:12px}.fact-label{color:var(--ink-soft)}.fact-value{font-weight:700;font-variant-numeric:tabular-nums}.panel.win .facts{max-width:260px;width:100%;margin:0 auto}.panel.win .share-row{display:flex}.panel.win .share{flex:1;border:1px solid var(--line);background:var(--key)}.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip-path:inset(50%);white-space:nowrap}.panel.win .win-best{color:var(--accent);font-weight:700}.panel.win .win-note{font-size:.9rem}.stats-table{width:100%;border-collapse:collapse;font-variant-numeric:tabular-nums}.stats-table th,.stats-table td{text-align:end;padding:8px 4px;border-bottom:1px solid var(--line);font-weight:400}.stats-table td{white-space:nowrap}.stats-table th{overflow-wrap:anywhere;hyphens:auto}.stats-table thead th{color:var(--ink-soft);font-size:clamp(.68rem,3vw,.85rem);line-height:1.15;vertical-align:bottom}@media(max-width:380px){.stats-table th,.stats-table td{padding:8px 2px;font-size:.9rem}}.stats-table th:first-child{text-align:start;font-weight:600}.stats-sub{margin:0;font-size:1rem;color:var(--ink-soft)}.plain.danger{color:var(--wrong)}.big.danger-fill{background:var(--wrong);border-color:var(--wrong);color:var(--accent-ink)}a.plain{display:flex;align-items:center;justify-content:center;text-decoration:none}.menu-foot{display:flex;flex-wrap:wrap;gap:8px}.menu-foot .plain{flex:1 1 auto;padding:0 8px}.save-note{display:flex;align-items:center;gap:8px;padding:8px 12px;border:1px solid var(--line);border-radius:10px;background:var(--surface);color:var(--ink-soft);font-size:.9rem}.save-note p{margin:0;flex:1}.update-bar:has(+#app>.game){display:none}.update-bar{position:fixed;top:max(8px,var(--safe-top, env(safe-area-inset-top, 0px)));left:50%;transform:translate(-50%);z-index:20;display:flex;align-items:center;gap:8px;width:min(calc(100% - 16px),460px);padding-block:4px;padding-inline:12px 8px;border:1px solid var(--line-strong);border-radius:12px;background:var(--surface);color:var(--ink);box-shadow:0 2px 10px #00000040}.update-bar p{margin:0;flex:1;font-size:.95rem}.update-bar .plain{padding:0 12px;min-width:48px;min-height:48px}.update-bar .primary{background:var(--accent);color:var(--accent-ink);border-color:var(--accent)}:root:lang(ko){word-break:keep-all}.menu-more{display:flex;flex-wrap:wrap;justify-content:center;align-items:center;column-gap:6px;margin:0;color:var(--ink-soft);font-size:.8125rem}.menu-more a{display:inline-flex;align-items:center;min-height:36px;padding:0 4px;color:var(--ink-soft);text-decoration:underline;text-underline-offset:2px}.menu-more .dot:before{content:"·"}.menu-more a:focus-visible{outline:3px solid var(--accent);outline-offset:1px;border-radius:4px}