:root {
  color-scheme: dark;
  --bg:#111218; --surface:#191b24; --surface-2:#232632; --ink:#f6f7fb; --muted:#a9adba;
  --accent:#c8ff55; --accent-2:#9b87f5; --danger:#ff6b78; --line:#343846; --board:#f7f7f2;
  --board-ink:#17181d; --shadow:0 24px 70px rgba(0,0,0,.28); --radius:22px;
  font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
}
[data-theme="light"] { color-scheme:light; --bg:#f3f3ef; --surface:#fff; --surface-2:#ebebe6; --ink:#17181d; --muted:#676b76; --line:#d8d8d2; --shadow:0 20px 55px rgba(33,32,25,.11); }
*{box-sizing:border-box} html{min-height:100%;background:var(--bg)} body{margin:0;min-height:100vh;background:var(--bg);color:var(--ink);font-size:16px;line-height:1.5}
button,input,select{font:inherit} button{color:inherit} button:focus-visible,input:focus-visible,select:focus-visible,[tabindex]:focus-visible{outline:3px solid var(--accent-2);outline-offset:3px}
.skip-link{position:fixed;top:-100px;left:1rem;background:var(--accent);color:#111;padding:.7rem 1rem;border-radius:12px;z-index:99}.skip-link:focus{top:1rem}
.topbar{height:76px;display:flex;align-items:center;justify-content:space-between;padding:0 clamp(1rem,4vw,3rem);max-width:1500px;margin:auto}.brand{display:flex;align-items:center;gap:.75rem;border:0;background:none;color:inherit;text-decoration:none;font-weight:800;font-size:1.1rem;cursor:pointer}.brand-mark{display:grid;grid-template-columns:repeat(2,8px);gap:3px}.brand-mark i{width:8px;height:8px;background:var(--accent);border-radius:2px}.brand-mark i:last-child{background:var(--accent-2)}
.top-actions{display:flex;gap:.5rem}.icon-button{width:44px;height:44px;border:1px solid var(--line);border-radius:50%;background:var(--surface);cursor:pointer;transition:.2s}.icon-button:hover{transform:translateY(-2px);border-color:var(--accent)}
main{max-width:1500px;margin:auto;padding:clamp(1rem,4vw,3rem);padding-top:clamp(1rem,3vw,2rem)}
.eyebrow{margin:0 0 .6rem;color:var(--accent);font-size:.78rem;font-weight:800;letter-spacing:.14em;text-transform:uppercase}.hero{display:grid;grid-template-columns:minmax(0,1fr) auto;align-items:end;gap:2rem;margin:1rem 0 clamp(2rem,5vw,4.5rem)}.hero h1{font-size:clamp(2.6rem,8vw,6.8rem);line-height:.9;letter-spacing:-.065em;margin:0;max-width:900px}.hero h1 span{color:var(--accent)}.hero-copy{max-width:390px;color:var(--muted);font-size:1.05rem;margin:.8rem 0 0}
.streak-card{background:var(--accent);color:#15160f;padding:1.2rem 1.35rem;border-radius:20px;min-width:180px;transform:rotate(2deg);box-shadow:var(--shadow)}.streak-card b{display:block;font-size:2.2rem;line-height:1}.streak-card span{font-weight:700;font-size:.82rem}
.section-head{display:flex;align-items:end;justify-content:space-between;gap:1rem;margin-bottom:1rem}.section-head h2{margin:0;font-size:1.35rem}.section-head p{margin:0;color:var(--muted)}
.game-grid{display:grid;grid-template-columns:repeat(12,1fr);gap:1rem}.game-card{grid-column:span 4;min-height:250px;text-align:left;border:1px solid var(--line);border-radius:var(--radius);background:var(--surface);padding:1.35rem;cursor:pointer;display:flex;flex-direction:column;justify-content:space-between;transition:transform .25s,border-color .25s,background .25s;overflow:hidden;position:relative}.game-card:first-child,.game-card:nth-child(2){grid-column:span 6;min-height:300px}.game-card:hover{transform:translateY(-5px);border-color:var(--card-accent,var(--accent))}.game-card:after{content:"";position:absolute;width:170px;height:170px;border:35px solid var(--card-accent,var(--accent));opacity:.11;border-radius:50%;right:-60px;top:-70px}.game-card .number{font-size:.75rem;color:var(--muted);font-weight:800}.game-card h3{margin:auto 0 .2rem;font-size:clamp(1.6rem,3vw,2.6rem);letter-spacing:-.04em}.game-card p{margin:0;color:var(--muted);max-width:30ch}.card-arrow{position:absolute;right:1.25rem;bottom:1.25rem;width:42px;height:42px;border-radius:50%;background:var(--card-accent,var(--accent));color:#10110c;display:grid;place-items:center;font-size:1.3rem;font-weight:900}.soon{font-size:.7rem;text-transform:uppercase;letter-spacing:.1em;background:var(--surface-2);padding:.25rem .55rem;border-radius:999px;width:max-content}
.noscript{padding:2rem}.toast-region{position:fixed;left:50%;bottom:1.5rem;transform:translateX(-50%);z-index:100}.toast{background:var(--ink);color:var(--bg);border-radius:999px;padding:.8rem 1.15rem;box-shadow:var(--shadow);animation:toast-in .25s ease}
@keyframes toast-in{from{opacity:0;transform:translateY(8px)}}
@media(max-width:760px){.topbar{height:64px}.hero{grid-template-columns:1fr;margin-top:.5rem}.streak-card{display:none}.game-card,.game-card:first-child,.game-card:nth-child(2){grid-column:span 12;min-height:180px}.game-card h3{font-size:2rem}.game-grid{gap:.8rem}}
@media(prefers-reduced-motion:reduce){*,*:before,*:after{scroll-behavior:auto!important;animation-duration:.01ms!important;transition-duration:.01ms!important}}
.game-icon{position:absolute;right:1.4rem;top:1.2rem;font-weight:900;font-size:1.1rem;color:var(--card-accent);letter-spacing:-.08em}.text-button,.link-button{border:0;background:none;padding:.65rem 0;color:var(--muted);font-weight:750;cursor:pointer}.text-button:hover,.link-button:hover{color:var(--ink)}.link-button{color:var(--game);font-size:1rem}
.setup-view{min-height:calc(100vh - 130px)}.setup-grid{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(320px,.65fr);gap:clamp(2rem,7vw,8rem);align-items:center;min-height:65vh}.setup-intro{position:relative}.setup-number{display:grid;place-items:center;width:84px;height:84px;border-radius:25px;background:var(--game);color:#111;font-size:1.5rem;font-weight:950;margin-bottom:2rem;transform:rotate(-4deg);box-shadow:var(--shadow)}.setup-intro h1{font-size:clamp(2.7rem,6vw,5.8rem);line-height:.95;letter-spacing:-.06em;max-width:750px;margin:.4rem 0 1.5rem}.setup-card{background:var(--surface);border:1px solid var(--line);border-radius:28px;padding:clamp(1.25rem,3vw,2rem);box-shadow:var(--shadow)}.form-fields{display:grid;gap:1rem;margin-bottom:1.5rem}.field{display:grid;gap:.45rem}.field>span{font-size:.8rem;color:var(--muted);font-weight:800;text-transform:uppercase;letter-spacing:.07em}.field select{width:100%;appearance:none;background-color:var(--surface-2);color:var(--ink);border:1px solid var(--line);border-radius:13px;padding:.9rem 2.5rem .9rem 1rem}.custom-fields{display:grid;grid-template-columns:repeat(3,1fr);gap:.7rem}.primary-button,.secondary-button{width:100%;border:0;border-radius:14px;padding:1rem;font-weight:850;cursor:pointer;transition:.2s}.primary-button{background:var(--game,var(--accent));color:#111}.primary-button:hover{filter:brightness(1.05);transform:translateY(-2px)}.primary-button span{float:right}.primary-button:disabled{opacity:.45}.secondary-button{background:transparent;border:1px solid var(--line);margin-top:.7rem}.secondary-button:hover{border-color:var(--game,var(--accent))}
.play-view{max-width:1050px;margin:auto}.play-top{display:grid;grid-template-columns:1fr auto 1fr;align-items:center}.play-top>.icon-button{justify-self:end}.play-title{display:flex;align-items:center;gap:.8rem}.play-title>span{font-size:1.5rem;font-weight:950}.play-title strong,.play-title small{display:block}.play-title small{color:var(--muted);font-size:.75rem}.stat-strip{display:grid;grid-template-columns:repeat(3,1fr);max-width:520px;margin:2rem auto 1rem;border:1px solid var(--line);border-radius:18px;overflow:hidden;background:var(--surface)}.stat-strip div{padding:.7rem 1rem;text-align:center;border-right:1px solid var(--line)}.stat-strip div:last-child{border:0}.stat-strip span,.stat-strip b{display:block}.stat-strip span{font-size:.68rem;color:var(--muted);text-transform:uppercase;letter-spacing:.08em;font-weight:800}.stat-strip b{font-variant-numeric:tabular-nums;font-size:1.05rem}.game-stage{display:grid;place-items:center;min-height:400px;padding:1rem 0}.game-toolbar{display:flex;justify-content:center;gap:.6rem;flex-wrap:wrap;margin:1.2rem 0}.tool-button{display:flex;align-items:center;gap:.45rem;border:1px solid var(--line);background:var(--surface);border-radius:13px;padding:.75rem 1rem;font-weight:750;cursor:pointer}.tool-button:hover,.tool-button.active{border-color:var(--game);background:color-mix(in srgb,var(--game) 13%,var(--surface))}.move-count{color:var(--muted);font-weight:750;text-align:center}
.sudoku-board{width:min(82vw,520px);aspect-ratio:1;display:grid;grid-template-columns:repeat(var(--n),1fr);background:var(--board-ink);border:3px solid var(--board-ink);gap:1px}.sudoku-cell{position:relative;display:grid;grid-template-columns:repeat(3,1fr);place-items:center;background:var(--board);color:var(--board-ink);border:0;font-size:clamp(1rem,5vw,2rem);font-weight:650;cursor:pointer;min-width:0}.sudoku-cell[style*="--c: 2"],.sudoku-cell[style*="--c: 5"]{box-shadow:inset -2px 0 var(--board-ink)}.sudoku-cell[style*="--r: 2"],.sudoku-cell[style*="--r: 5"]{border-bottom:2px solid var(--board-ink)}.sudoku-cell.fixed{font-weight:900;background:#e9e9e2}.sudoku-cell.selected{background:color-mix(in srgb,var(--game) 42%,white)}.sudoku-cell i{font-size:.55rem;font-style:normal;color:#555}.number-pad{display:flex;justify-content:center;gap:.4rem;flex-wrap:wrap;margin-top:1rem;max-width:600px}.number-pad button{width:48px;height:48px;border:1px solid var(--line);border-radius:12px;background:var(--surface);font-weight:850;cursor:pointer}.number-pad button:hover{background:var(--game);color:#111}
.sky-wrap{display:grid;grid-template-columns:repeat(calc(var(--n) + 2),minmax(28px,58px));grid-auto-rows:minmax(28px,58px);max-width:90vw}.sky-wrap b{display:grid;place-items:center;color:var(--muted)}.sky-cell{border:1px solid #b9bac0;background:var(--board);color:var(--board-ink);font-size:clamp(.85rem,3vw,1.5rem);font-weight:850;cursor:pointer}.sky-cell.selected{background:color-mix(in srgb,var(--game) 50%,white);outline:3px solid var(--game);z-index:1}
.lights-board{width:min(82vw,560px);aspect-ratio:1;display:grid;grid-template-columns:repeat(var(--n),1fr);gap:clamp(2px,.6vw,7px);padding:clamp(5px,1vw,10px);background:var(--surface);border:1px solid var(--line);border-radius:20px}.light-cell{border:0;border-radius:clamp(2px,.7vw,9px);background:var(--surface-2);box-shadow:inset 0 0 0 1px var(--line);cursor:pointer}.light-cell.on{background:var(--game);box-shadow:0 0 18px color-mix(in srgb,var(--game) 55%,transparent);transform:scale(.94)}
.mine-scroll,.nono-scroll{max-width:94vw;overflow:auto;padding:.2rem}.mine-board{display:grid;grid-template-columns:repeat(var(--w),32px);gap:2px;background:var(--line);padding:3px;width:max-content}.mine-cell{width:32px;height:32px;border:0;background:var(--surface-2);color:var(--ink);font-weight:900;cursor:pointer}.mine-cell:hover{background:var(--game);color:#111}.mine-cell.open{background:var(--board);color:#222}.nono-board{display:grid;grid-template-columns:var(--rw) repeat(var(--n),minmax(24px,36px));grid-template-rows:var(--ch) repeat(var(--n),minmax(24px,36px));width:max-content;background:var(--line);gap:1px;border:2px solid var(--line)}.col-clue{display:flex;flex-direction:column;justify-content:end;align-items:center;background:var(--surface);padding:.2rem;font-size:.72rem}.row-clue{display:flex;align-items:center;justify-content:end;padding:0 .45rem;background:var(--surface);font-size:.78rem;font-weight:800;word-spacing:.25rem}.nono-cell{border:0;background:var(--board);color:#777;font-weight:800;cursor:pointer}.nono-cell.v1{background:var(--game)}.nono-cell.v2{background:var(--board);color:#888}
.modal-backdrop{position:fixed;inset:0;background:rgba(3,4,8,.68);backdrop-filter:blur(8px);display:grid;place-items:center;padding:1rem;z-index:90}.modal{position:relative;width:min(100%,500px);max-height:92vh;overflow:auto;background:var(--surface);border:1px solid var(--line);border-radius:26px;padding:clamp(1.4rem,4vw,2rem);box-shadow:var(--shadow);animation:modal-in .22s ease}.modal h2{font-size:clamp(1.6rem,4vw,2.3rem);letter-spacing:-.04em;margin:.2rem 0 1rem;line-height:1.1}.modal-close{position:absolute;right:1rem;top:1rem;width:38px;height:38px;border:1px solid var(--line);border-radius:50%;background:transparent;cursor:pointer}.modal-copy,.empty-state{color:var(--muted);font-size:1.05rem}.modal-actions{display:grid;grid-template-columns:1fr 1fr;gap:.7rem;margin-top:1.5rem}.modal-actions .secondary-button{margin:0}.settings-list{display:grid;gap:.8rem;margin:1.2rem 0}.purchase{color:var(--accent)}.score-list{display:grid;gap:.5rem;margin:1rem 0}.score-list>div{display:grid;grid-template-columns:auto 1fr auto;gap:.8rem;align-items:center;padding:.75rem;background:var(--surface-2);border-radius:14px}.score-list small,.score-list b{display:block}.score-list small{color:var(--muted)}.score-icon{width:42px;height:42px;border-radius:12px;display:grid;place-items:center;color:#111;font-weight:900}.result-mark{width:70px;height:70px;border-radius:50%;display:grid;place-items:center;font-size:2rem;font-weight:900;margin-bottom:1rem}.result-mark.win{background:var(--accent);color:#111}.result-mark.lose{background:var(--danger);color:#111}.result-time{font-size:clamp(3rem,12vw,5rem);font-weight:900;letter-spacing:-.06em;font-variant-numeric:tabular-nums}.ad-label{font-size:.65rem;letter-spacing:.14em;color:var(--muted);text-align:center}.ad-placeholder{height:230px;background:linear-gradient(135deg,var(--accent-2),var(--accent));color:#111;border-radius:18px;margin:1rem 0;display:flex;flex-direction:column;align-items:center;justify-content:center}.ad-placeholder strong{font-size:2.5rem}.ad-placeholder span,.ad-placeholder small{font-weight:800}.shake{animation:shake .28s linear}.toast-region{pointer-events:none}
@keyframes modal-in{from{opacity:0;transform:scale(.96) translateY(10px)}}@keyframes shake{25%{transform:translateX(-6px)}75%{transform:translateX(6px)}}
@media(max-width:760px){.setup-grid{grid-template-columns:1fr;gap:2rem;min-height:auto}.setup-number{width:64px;height:64px;margin-bottom:1.2rem}.setup-intro h1{font-size:2.7rem}.play-top{grid-template-columns:1fr auto}.play-title{display:none}.stat-strip{margin:1rem auto}.stat-strip div{padding:.55rem .3rem}.game-stage{min-height:320px;padding:.5rem 0}.sudoku-board{width:min(94vw,520px)}.number-pad button{width:42px;height:42px}.tool-button span{display:none}.tool-button{font-size:1.15rem}.custom-fields{grid-template-columns:1fr}.modal-actions{grid-template-columns:1fr}.lights-board{width:92vw}.sky-wrap{grid-template-columns:repeat(calc(var(--n) + 2),minmax(25px,9vw));grid-auto-rows:minmax(25px,9vw)}}
.sudoku-cell.block-right{box-shadow:inset -2px 0 var(--board-ink)}.sudoku-cell.block-bottom{border-bottom:2px solid var(--board-ink)}
.game-card:nth-child(6),.game-card:nth-child(7){grid-column:span 6}
.hero-daily{width:auto;min-width:210px;margin-top:1.35rem;padding:.85rem 1rem}.daily-list{display:grid;gap:.55rem;margin-top:1.2rem}.daily-list button{display:grid;grid-template-columns:44px 1fr auto;align-items:center;gap:.75rem;width:100%;border:1px solid var(--line);border-radius:14px;background:var(--surface-2);color:var(--ink);padding:.65rem .8rem;text-align:left;cursor:pointer}.daily-list button:hover{border-color:var(--daily);transform:translateX(3px)}.daily-list button span{width:40px;height:40px;border-radius:11px;background:var(--daily);color:#111;display:grid;place-items:center;font-weight:950}.daily-list button b{font-size:1rem}.daily-list button i{font-style:normal;color:var(--daily);font-size:1.2rem}
.slither-board{width:min(86vw,570px);aspect-ratio:1;display:grid;background:var(--board);color:var(--board-ink);border:8px solid var(--board);border-radius:16px;box-shadow:var(--shadow);overflow:hidden}.slither-board>*{min-width:0;min-height:0}.sl-dot{position:relative;display:grid;place-items:center}.sl-dot:after{content:"";width:clamp(3px,.7vw,6px);height:clamp(3px,.7vw,6px);border-radius:50%;background:var(--board-ink)}.sl-clue{display:grid;place-items:center;font-size:clamp(.65rem,2.4vw,1.3rem);font-weight:900}.sl-edge{border:0;background:transparent;color:#9b9b96;padding:0;cursor:pointer;position:relative;font-weight:900;font-size:clamp(.65rem,2vw,1rem)}.sl-edge:after{content:"";position:absolute;background:var(--board-ink);border-radius:99px;opacity:0;transition:.12s}.sl-edge.horizontal:after{height:clamp(3px,.7vw,6px);width:100%;left:0;top:50%;transform:translateY(-50%)}.sl-edge.vertical:after{width:clamp(3px,.7vw,6px);height:100%;top:0;left:50%;transform:translateX(-50%)}.sl-edge.s1:after{opacity:1}.sl-edge.s1{background:color-mix(in srgb,var(--game) 16%,transparent)}.sl-edge:hover{background:color-mix(in srgb,var(--game) 25%,transparent)}
.bridge-board{position:relative;width:min(78vw,530px);aspect-ratio:1;margin:34px}.bridge-edge{position:absolute;border:0;background:transparent;padding:0;z-index:1;cursor:pointer}.bridge-edge.horizontal{transform:translateY(-50%)}.bridge-edge.vertical{transform:translateX(-50%)}.bridge-edge i{position:absolute;display:block;background:var(--line);border-radius:99px;transition:.15s}.bridge-edge.horizontal i{left:0;width:100%;height:4px;top:50%;transform:translateY(-50%)}.bridge-edge.vertical i{top:0;height:100%;width:4px;left:50%;transform:translateX(-50%)}.bridge-edge i:nth-child(2){display:none}.bridge-edge.count1 i:first-child,.bridge-edge.count2 i{background:var(--game)}.bridge-edge.count2 i:nth-child(2){display:block}.bridge-edge.horizontal.count2 i:first-child{top:36%}.bridge-edge.horizontal.count2 i:nth-child(2){top:64%}.bridge-edge.vertical.count2 i:first-child{left:36%}.bridge-edge.vertical.count2 i:nth-child(2){left:64%}.bridge-edge:hover{background:color-mix(in srgb,var(--game) 13%,transparent)}.bridge-node{position:absolute;transform:translate(-50%,-50%);width:clamp(34px,7vw,54px);height:clamp(34px,7vw,54px);border-radius:50%;background:var(--board);border:4px solid var(--game);color:var(--board-ink);display:grid;place-items:center;font-size:clamp(.95rem,3vw,1.35rem);font-weight:950;z-index:2;box-shadow:0 6px 18px rgba(0,0,0,.18);pointer-events:none}
@media(max-width:760px){.game-card:nth-child(6),.game-card:nth-child(7){grid-column:span 12}.slither-board{width:92vw;border-width:5px}.bridge-board{width:78vw;margin:28px}.bridge-edge.horizontal{height:34px!important}.bridge-edge.vertical{width:34px!important}}
.site-footer{max-width:1500px;margin:2rem auto 0;padding:1.25rem clamp(1rem,4vw,3rem) 2rem;border-top:1px solid var(--line);display:flex;justify-content:space-between;gap:1rem;color:var(--muted);font-size:.84rem}.site-footer nav{display:flex;gap:1rem}.site-footer a{color:inherit;text-underline-offset:3px}.site-footer a:hover{color:var(--ink)}
.legal-main{max-width:820px;margin:0 auto;padding:clamp(2rem,7vw,5rem) clamp(1rem,4vw,2rem)}.legal-main h1{font-size:clamp(2.7rem,8vw,5.5rem);line-height:.95;letter-spacing:-.06em;margin:.5rem 0 1rem}.legal-main h2{margin:2.4rem 0 .6rem;font-size:1.3rem}.legal-main p,.legal-main li{color:var(--muted)}.legal-main a{color:var(--accent);text-underline-offset:3px}.legal-main .legal-lead{font-size:1.15rem;color:var(--ink);max-width:65ch}.legal-meta{padding:1rem 1.2rem;border:1px solid var(--line);border-radius:16px;background:var(--surface);margin:1.5rem 0}.legal-meta p{margin:.2rem 0}.legal-actions{display:flex;gap:.7rem;flex-wrap:wrap;margin-top:2rem}.legal-actions a{display:inline-flex;text-decoration:none;width:auto;padding:.8rem 1rem}.support-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:1rem;margin:1.5rem 0}.support-card{padding:1.2rem;border:1px solid var(--line);border-radius:18px;background:var(--surface)}.support-card h2{margin:0 0 .5rem}.support-card p{margin:0}
@media(max-width:620px){.site-footer{flex-direction:column}.support-grid{grid-template-columns:1fr}}