:root{--bg: #f3f1ec;--bg2: #e9e5dc;--card: #fffdf8;--ink: #1f2a37;--muted: #6b7380;--line: #d8d3c7;--accent: #2f7d6d;--accent-ink: #ffffff;--accent-soft: #d7ebe5;--gold: #c58b2a;--board: #fffefb;--grid-thin: #d9d5cb;--grid-thick: #3b4654;--given: #1f2a37;--user: #2f62b8;--hinted: #7a56b8;--wrong: #c93c3c;--wrong-bg: #fbe3e1;--peer: #eef2f0;--sel: #bfe0d6;--same: #d4e6f7;--focus: #fff0c2;--flash: #cdeedd;--shadow: 0 1px 2px rgb(31 42 55 / 6%), 0 8px 24px rgb(31 42 55 / 7%);--radius: 16px;color-scheme:light}@media (prefers-color-scheme: dark){:root:not([data-theme=light]){--bg: #121722;--bg2: #0d111a;--card: #1a2130;--ink: #e6e9ef;--muted: #96a0b0;--line: #2c3547;--accent: #4fb3a1;--accent-ink: #0d1a17;--accent-soft: #1f3a37;--gold: #e0b45a;--board: #171e2c;--grid-thin: #2c3547;--grid-thick: #8b97ab;--given: #e6e9ef;--user: #7fb0ff;--hinted: #c3a6f2;--wrong: #ff7a7a;--wrong-bg: #3a2024;--peer: #1e2738;--sel: #23534c;--same: #253d5c;--focus: #4a4020;--flash: #1f4a3c;--shadow: 0 1px 2px rgb(0 0 0 / 30%), 0 8px 24px rgb(0 0 0 / 25%);color-scheme:dark}}:root[data-theme=dark]{--bg: #121722;--bg2: #0d111a;--card: #1a2130;--ink: #e6e9ef;--muted: #96a0b0;--line: #2c3547;--accent: #4fb3a1;--accent-ink: #0d1a17;--accent-soft: #1f3a37;--gold: #e0b45a;--board: #171e2c;--grid-thin: #2c3547;--grid-thick: #8b97ab;--given: #e6e9ef;--user: #7fb0ff;--hinted: #c3a6f2;--wrong: #ff7a7a;--wrong-bg: #3a2024;--peer: #1e2738;--sel: #23534c;--same: #253d5c;--focus: #4a4020;--flash: #1f4a3c;--shadow: 0 1px 2px rgb(0 0 0 / 30%), 0 8px 24px rgb(0 0 0 / 25%);color-scheme:dark}*{box-sizing:border-box}html,body{margin:0;min-height:100%;background:var(--bg);color:var(--ink);font-family:Cairo,system-ui,-apple-system,Segoe UI,Tahoma,sans-serif;-webkit-tap-highlight-color:transparent}body{min-height:100dvh;background:radial-gradient(1200px 600px at 50% -10%,var(--bg2),transparent 70%),var(--bg)}body.in-game{overflow:hidden;overscroll-behavior:none;position:fixed;top:0;right:0;bottom:0;left:0}button,input{font:inherit;color:inherit}button{cursor:pointer}button:disabled{cursor:default}:focus-visible{outline:3px solid var(--accent);outline-offset:2px}[hidden]{display:none!important}.ltr-num{direction:ltr;unicode-bidi:isolate;font-variant-numeric:tabular-nums}.muted{color:var(--muted)}.small{font-size:.85rem}.center{text-align:center}#app{max-width:1120px;margin:0 auto;padding:max(12px,env(safe-area-inset-top)) max(16px,env(safe-area-inset-right)) max(16px,env(safe-area-inset-bottom)) max(16px,env(safe-area-inset-left))}.screen{display:none}.screen.active{display:block;animation:fade .18s ease-out}@keyframes fade{0%{opacity:0;transform:translateY(4px)}}.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:16px;box-shadow:var(--shadow);margin-bottom:14px}.card h2,.card h3{margin:0 0 12px;font-size:1.1rem}.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;min-height:46px;padding:8px 16px;border-radius:12px;border:1px solid var(--line);background:var(--card);font-weight:700;text-decoration:none;transition:transform .08s,background .15s,border-color .15s}.btn:hover{border-color:var(--accent)}.btn:active{transform:scale(.98)}.btn.primary{background:var(--accent);border-color:var(--accent);color:var(--accent-ink)}.btn.primary.done{background:var(--accent-soft);color:var(--ink);border-color:var(--accent-soft)}.btn.ghost{background:transparent}.icon-btn{width:44px;height:44px;display:inline-grid;place-items:center;border-radius:12px;border:1px solid var(--line);background:var(--card);font-size:1.1rem;color:var(--ink);text-decoration:none;flex:none}[dir=ltr] .back-ico{display:inline-block;transform:scaleX(-1)}.chip{height:36px;min-width:44px;padding:0 12px;border-radius:999px;border:1px solid var(--line);background:var(--card);font-weight:700}.badge{display:inline-block;padding:2px 10px;border-radius:999px;background:var(--accent-soft);color:var(--ink);font-size:.8rem;font-weight:700}.badge.gold{background:color-mix(in srgb,var(--gold) 22%,transparent)}.row{display:flex;gap:10px;flex-wrap:wrap}.row .btn{flex:1 1 160px}.topbar{display:flex;align-items:center;gap:12px;margin-bottom:14px}.brand{display:flex;align-items:center;gap:10px;flex:1;min-width:0}.brand h1{margin:0;font-size:clamp(1.4rem,4vw,1.9rem);font-weight:900;line-height:1.2}.latin{margin:0;letter-spacing:.25em;font-size:.7rem;color:var(--muted);font-weight:700}.logo{width:48px;height:48px;flex:none}.logo-bg{fill:var(--card);stroke:var(--grid-thick);stroke-width:2.5}.logo-grid{stroke:var(--grid-thick);stroke-width:1.6;fill:none}.logo-n{font:900 10px Cairo,sans-serif;fill:var(--ink)}.logo-n.accent{fill:var(--accent)}.top-actions{display:flex;gap:8px;align-items:center}.tagline{margin:-4px 0 14px;color:var(--muted);line-height:1.7;font-size:.95rem;max-width:640px}.greeting{margin:0 0 10px;font-weight:700;font-size:1.05rem}.net-status{margin:0 0 12px;padding:10px 12px;border-radius:12px;background:var(--card);border:1px dashed var(--line);color:var(--muted);font-size:.9rem}.net-status.warn{border-color:var(--gold)}.signin p{margin:0 0 12px}.pulse{animation:pulse .6s ease-in-out 2}@keyframes pulse{50%{box-shadow:0 0 0 4px var(--accent)}}.home-grid{display:grid;gap:14px}@media (min-width: 820px){.home-grid{grid-template-columns:1fr 1fr;align-items:start}}.continue{display:flex;align-items:center;justify-content:space-between;gap:12px;border-color:var(--accent)}.continue-info{margin:6px 0 0;font-weight:700}.daily-card{background:linear-gradient(135deg,color-mix(in srgb,var(--gold) 12%,var(--card)),var(--card) 60%)}.daily-head{display:flex;align-items:center;justify-content:space-between;gap:8px}.daily-card p{margin:10px 0 14px}.stats-row{display:grid;grid-template-columns:repeat(4,1fr);gap:8px;margin-bottom:14px}.stats-row div,.tiles div{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:10px 6px;text-align:center;display:flex;flex-direction:column}.stats-row strong,.tiles strong{font-size:1.25rem;font-weight:900}.stats-row span,.tiles span{font-size:.78rem;color:var(--muted)}.diff-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:10px}.btn.diff{flex-direction:column;min-height:72px;gap:0;border-width:2px}.btn.diff strong{font-size:1.1rem}.btn.diff small{color:var(--muted);font-weight:600}.diff-easy{--dc: #4f9d69}.diff-medium{--dc: #3f7fbf}.diff-hard{--dc: #c0812f}.diff-expert{--dc: #b2475d}.btn.diff{border-color:color-mix(in srgb,var(--dc) 45%,var(--line))}.btn.diff strong{color:var(--dc)}.menu{display:grid;grid-template-columns:1fr 1fr;gap:10px}.bar{display:grid;grid-template-columns:44px 1fr 44px;align-items:center;gap:10px;margin-bottom:14px}.bar h2{margin:0;text-align:center;font-size:1.2rem}.page{max-width:760px;margin:0 auto}.tabs{display:flex;gap:6px;overflow-x:auto;padding-bottom:6px;margin-bottom:10px;scrollbar-width:thin}.tab{flex:none;padding:8px 14px;border-radius:999px;border:1px solid var(--line);background:var(--card);font-weight:700}.tab.on{background:var(--accent);border-color:var(--accent);color:var(--accent-ink)}.lb{list-style:none;margin:0;padding:0}.lb li{display:grid;grid-template-columns:40px 1fr auto;gap:8px;align-items:center;padding:10px 6px;border-bottom:1px solid var(--line)}.lb li:last-child{border-bottom:0}.lb li.me{background:var(--accent-soft);border-radius:10px}.lb .rank{text-align:center;font-weight:900}.lb .name{font-weight:700;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.lb .val{font-weight:700;color:var(--muted)}.lb-me{margin:0 0 10px;padding:8px 12px;border-radius:10px;background:var(--accent-soft);font-weight:700}.lb-status{text-align:center;color:var(--muted);margin:10px 0 0}.tiles{display:grid;grid-template-columns:repeat(4,1fr);gap:8px}@media (max-width: 480px){.tiles{grid-template-columns:repeat(2,1fr)}}.stats-table{width:100%;border-collapse:collapse;font-size:.92rem}.stats-table th,.stats-table td{padding:8px 4px;text-align:center;border-bottom:1px solid var(--line);font-variant-numeric:tabular-nums}.stats-table tbody th{text-align:start}.history{list-style:none;margin:0;padding:0}.history li{display:grid;grid-template-columns:1fr auto auto auto;gap:10px;align-items:center;padding:8px 0;border-bottom:1px solid var(--line);font-size:.92rem}.history li>span:first-child{display:flex;flex-direction:column;font-weight:700}.history small{color:var(--muted);font-weight:400}.history .tag{font-size:.8rem;padding:2px 8px;border-radius:999px;background:var(--bg2)}.history .st-won .tag{background:var(--accent-soft)}.history .st-lost .tag{background:var(--wrong-bg)}.stars-sm{color:var(--gold);letter-spacing:1px}.archive{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:10px}.day{display:flex;flex-direction:column;gap:4px;padding:12px;border-radius:12px;border:1px solid var(--line);background:var(--card);text-align:start}.day.st-won{border-color:var(--accent);background:var(--accent-soft)}.day.st-playing{border-color:var(--gold)}.d-date{font-weight:900}.d-diff{color:var(--dc);font-weight:700;font-size:.9rem}.d-st{color:var(--gold);font-size:.85rem;min-height:1.2em}.toggle{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:12px 0;border-bottom:1px solid var(--line)}.toggle:last-child{border-bottom:0}.toggle input{width:22px;height:22px;accent-color:var(--accent)}.seg{display:inline-flex;border:1px solid var(--line);border-radius:10px;overflow:hidden}.seg button{border:0;background:transparent;padding:6px 12px;font-weight:700}.seg button.on{background:var(--accent);color:var(--accent-ink)}.prose{line-height:1.8}.prose h3{margin:18px 0 6px}.prose ul{padding-inline-start:20px}#screen-game.active{display:flex;flex-direction:column;height:calc(100dvh - max(12px,env(safe-area-inset-top)) - max(16px,env(safe-area-inset-bottom)))}.game-bar{display:flex;align-items:center;gap:10px;margin-bottom:10px;flex:none}.game-meta{display:flex;flex-direction:column;min-width:0;flex:1;line-height:1.25}.game-meta strong{font-size:1.05rem}.game-meta small{color:var(--muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.game-info{display:flex;gap:14px}.info{display:flex;flex-direction:column;align-items:center;line-height:1.2}.info small{color:var(--muted);font-size:.72rem}.info b{font-size:1.05rem}.info b.bad{color:var(--wrong)}.play{--board: min( calc(100vw - 32px) , calc(100dvh - 270px) , 620px);flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;min-height:0;padding-bottom:2vh}.board-wrap{position:relative;width:var(--board);height:var(--board);flex:none}.board{direction:ltr;display:grid;grid-template-columns:repeat(9,1fr);grid-template-rows:repeat(9,1fr);width:100%;height:100%;background:var(--board);border:2.5px solid var(--grid-thick);border-radius:10px;overflow:hidden;touch-action:none;user-select:none;-webkit-user-select:none;box-shadow:var(--shadow);transition:filter .2s}.board.blurred{filter:blur(10px)}.cell{position:relative;display:grid;place-items:center;border-right:1px solid var(--grid-thin);border-bottom:1px solid var(--grid-thin);font-size:calc(var(--board) / 15);font-weight:600;cursor:pointer;transition:background .12s}.cell:nth-child(9n){border-right:0}.cell:nth-child(n+73){border-bottom:0}.cell.bx{border-right:2px solid var(--grid-thick)}.cell.by{border-bottom:2px solid var(--grid-thick)}.cell.peer{background:var(--peer)}.cell.same{background:var(--same)}.cell.conflict:not(.sel){background:var(--wrong-bg)}.cell.focus{background:var(--focus)}.cell.sel{background:var(--sel)}.cell.flash{animation:flash .65s ease-out}@keyframes flash{40%{background:var(--flash);transform:scale(.94)}}.cell.given{color:var(--given);font-weight:800}.cell.user{color:var(--user)}.cell.hinted{color:var(--hinted)}.cell.wrong{color:var(--wrong)}.cell .v{line-height:1}.cell.user .v,.cell.wrong .v,.cell.hinted .v{animation:pop .16s ease-out}@keyframes pop{0%{transform:scale(.6);opacity:.4}}.notes{position:absolute;top:2px;right:2px;bottom:2px;left:2px;display:grid;grid-template-columns:repeat(3,1fr);grid-template-rows:repeat(3,1fr);font-size:calc(var(--board) / 36);font-weight:700;color:var(--muted);line-height:1}.notes i{font-style:normal;display:grid;place-items:center}.notes i.hl{color:var(--accent);font-weight:900}.board.shake{animation:shake .3s}@keyframes shake{25%{transform:translate(-4px)}75%{transform:translate(4px)}}.hint-banner{position:absolute;inset-inline:8px;bottom:8px;padding:10px 12px;border-radius:12px;background:color-mix(in srgb,var(--card) 94%,transparent);border:1px solid var(--gold);box-shadow:var(--shadow);font-size:.92rem;line-height:1.6;pointer-events:none}.hint-banner.top{bottom:auto;top:8px}#win-extra-row{grid-column:1 / -1}.side{width:var(--board);display:flex;flex-direction:column;gap:10px}.tools{display:grid;grid-template-columns:repeat(5,1fr);gap:6px}.tool{position:relative;display:flex;flex-direction:column;align-items:center;gap:2px;padding:6px 2px;border:0;background:transparent;border-radius:12px;color:var(--ink);font-size:.78rem;font-weight:700}.tool svg{width:26px;height:26px}.tool:hover:not(:disabled){background:var(--card)}.tool:disabled{opacity:.35}.tool.on{color:var(--accent)}.pill{position:absolute;top:0;inset-inline-end:6px;font-style:normal;font-size:.6rem;padding:0 5px;border-radius:999px;background:var(--bg2);color:var(--muted)}.tool.on .pill{background:var(--accent);color:var(--accent-ink)}.pill.count{background:var(--gold);color:#fff}.numpad{direction:ltr;display:grid;grid-template-columns:repeat(9,minmax(0,1fr));gap:5px}.num{min-width:0;position:relative;display:flex;flex-direction:column;align-items:center;justify-content:center;aspect-ratio:.82;max-height:72px;border-radius:12px;border:1px solid var(--line);background:var(--card);color:var(--user);box-shadow:var(--shadow);touch-action:manipulation}.num span{font-size:clamp(1.4rem,calc(var(--board) / 14),2.1rem);font-weight:700;line-height:1}.num small{font-size:.65rem;color:var(--muted);min-height:1em}.num:active:not(:disabled){transform:scale(.95);background:var(--accent-soft)}.num.same{border-color:var(--accent)}.num.done{opacity:.3}@media (min-width: 900px) and (min-aspect-ratio: 5/4),(orientation: landscape) and (max-height: 560px){.play{--board: min( calc(100dvh - 110px) , calc(100vw - 400px) , 680px);flex-direction:row;justify-content:center;align-items:center;gap:clamp(16px,3vw,40px)}.side{width:min(340px,34vw);gap:16px}.numpad{grid-template-columns:repeat(3,minmax(0,1fr));gap:10px}.num{aspect-ratio:1.15;max-height:none}.num span{font-size:clamp(1.6rem,3.4vh,2.4rem)}.tool svg{width:28px;height:28px}}@media (orientation: landscape) and (max-height: 560px){.play{--board: min( calc(100dvh - 76px) , calc(100vw - 330px) )}.game-bar{margin-bottom:4px}.side{gap:6px}.numpad{gap:5px}.num{aspect-ratio:1.6}.num span{font-size:1.3rem}}@media (max-width: 360px){.game-info{gap:8px}.tool{font-size:.68rem}.numpad{gap:3px}}.overlay{position:fixed;top:0;right:0;bottom:0;left:0;z-index:20;display:grid;place-items:center;padding:16px;background:#0a0e1673;-webkit-backdrop-filter:blur(3px);backdrop-filter:blur(3px);animation:fade .2s}.dialog{width:min(380px,100%);max-height:calc(100dvh - 32px);overflow:auto;display:flex;flex-direction:column;gap:10px;padding:22px;border-radius:20px;background:var(--card);border:1px solid var(--line);box-shadow:0 20px 60px #0000004d;text-align:center}.dialog h2{margin:0 0 4px}.dialog p{margin:0 0 6px;line-height:1.7}.result-stars{font-size:2.4rem;letter-spacing:6px;color:var(--line)}.result-stars .on{color:var(--gold);display:inline-block;animation:starIn .4s ease-out backwards}.result-stars .on:nth-child(2){animation-delay:.15s}.result-stars .on:nth-child(3){animation-delay:.3s}@keyframes starIn{0%{transform:scale(0) rotate(-40deg)}}.result-stats{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin:4px 0 8px}.result-stats div{background:var(--bg2);border-radius:12px;padding:8px}.result-stats dt{font-size:.78rem;color:var(--muted)}.result-stats dd{margin:0;font-weight:900;font-size:1.15rem}.badge-line{font-weight:900;color:var(--gold)}.toast{position:fixed;z-index:40;left:50%;bottom:max(20px,env(safe-area-inset-bottom));transform:translate(-50%);max-width:min(92vw,520px);padding:10px 16px;border-radius:12px;background:var(--ink);color:var(--bg);font-weight:700;box-shadow:var(--shadow);text-align:center}#confetti{position:fixed;top:0;right:0;bottom:0;left:0;width:100vw;height:100vh;pointer-events:none;z-index:30;display:none}#confetti.on{display:block}@media (prefers-reduced-motion: reduce){*,*:before,*:after{animation:none!important;transition:none!important}}