:root{color-scheme:dark;--bg:#03070e;--panel:#07101c;--line:#203149;--text:#edf4ff;--muted:#9badc5;--blue:#5ca4ff;--green:#49dfa6;--gold:#f3c35b;--red:#ff637f;font-family:Arial,Helvetica,sans-serif;background:var(--bg);color:var(--text)}*{box-sizing:border-box}body{margin:0;background:radial-gradient(ellipse at 85% 0,#10254b88,transparent 45%)}a{color:inherit}button,select{font:inherit}button,a,select{-webkit-tap-highlight-color:transparent}button{cursor:pointer}button:disabled{opacity:.4;cursor:default}button:focus-visible,a:focus-visible,select:focus-visible,canvas:focus-visible{outline:3px solid #a3d5ff;outline-offset:3px}[hidden]{display:none!important}
.catalog-header{display:flex;align-items:center;justify-content:space-between;gap:30px;padding:20px max(24px,calc((100vw - 1240px)/2));border-bottom:1px solid var(--line);background:#03070eee}.brand{display:flex;align-items:center;gap:12px;text-decoration:none;white-space:nowrap}.brand>b{display:grid;place-items:center;width:44px;height:44px;border:1px solid #345c8c;border-radius:9px;background:#0d203a;color:#b3d5ff;font-size:18px}.brand>span{font-size:15px;font-weight:900;letter-spacing:.08em}.brand small{display:block;font:8px/1.5 ui-monospace,monospace;letter-spacing:.1em;color:var(--muted);margin-top:5px}.topnav{display:flex;align-items:center;gap:26px}.topnav a{padding:12px 0;font:700 12px Arial;text-decoration:none;color:#b9c9df;white-space:nowrap}.topnav a:hover{color:#fff}.catalog-footer{max-width:1240px;margin:32px auto 0;padding:28px 0;border-top:1px solid var(--line);display:flex;gap:20px;justify-content:space-between;font:11px Arial;color:var(--muted)}.catalog-footer nav{display:flex;flex-wrap:wrap;gap:20px}.catalog-footer a{text-decoration:none}.catalog-footer a:hover{text-decoration:underline}
.catalog-main{max-width:1240px;margin:0 auto;padding:0 0 50px}.catalog-intro{padding:65px 0 46px;max-width:900px}.eyebrow{font:11px ui-monospace,monospace;letter-spacing:.16em;color:var(--green)}.catalog-intro h1{margin:20px 0 22px;font-size:clamp(38px,5.3vw,72px);letter-spacing:-.05em;line-height:1.04;font-weight:900}.catalog-intro>p{font-size:17px;line-height:1.6;color:var(--muted);max-width:630px}.hero-actions{display:flex;align-items:center;gap:24px;margin-top:30px}.primary-link{background:#2078e5;color:white;border:1px solid #67acff;padding:16px 22px;border-radius:6px;text-decoration:none;font-weight:700;font-size:14px}.hero-actions>span{font:10px ui-monospace,monospace;letter-spacing:.08em;color:var(--muted)}.category-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin:0 0 46px}.category-grid>a{border:1px solid var(--line);border-top:3px solid var(--blue);background:linear-gradient(135deg,#102440,#06111e);padding:24px;text-decoration:none;border-radius:6px}.category-grid>a:nth-child(2){border-top-color:var(--green)}.category-grid>a:nth-child(3){border-top-color:var(--red)}.category-grid>a:nth-child(4){border-top-color:var(--gold)}.category-grid small{font:10px ui-monospace;color:var(--muted)}.category-grid h2{font-size:21px;margin:25px 0 12px;display:flex;justify-content:space-between;gap:10px}.category-grid p{font-size:13px;line-height:1.5;color:var(--muted);margin:0}.category-grid a:hover{background:#102947}
.section-heading{display:flex;align-items:center;justify-content:space-between;margin:0 0 20px;gap:20px}.section-heading h2{font-size:24px;letter-spacing:-.03em;margin:0}.section-heading>span{font:10px ui-monospace;color:var(--muted);letter-spacing:.1em}.section-heading a{color:var(--blue);font-size:13px;text-decoration:none}.game-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px}.game-tile{display:block;background:var(--panel);border:1px solid var(--line);border-radius:10px;text-decoration:none;overflow:hidden;transition:border-color .15s,transform .15s}.game-tile:hover{border-color:var(--blue);transform:translateY(-3px)}.tile-art{height:154px;display:grid;place-items:center;position:relative;overflow:hidden;background:radial-gradient(circle at 50% 100%,#286cc677,transparent 80%),repeating-linear-gradient(0deg,transparent 0 23px,#3b649521 23px 24px),#0a172b}.tile-art>span{z-index:1;display:grid;place-items:center;min-width:85px;height:98px;border:2px solid #7bb5fa70;border-radius:12px;padding:12px;font-size:40px;font-weight:900;letter-spacing:-.06em;transform:rotate(-8deg);background:#123560;color:#bfdeff;box-shadow:12px 10px 0 #16487c44}.puzzles .tile-art{background:radial-gradient(circle at 50% 100%,#247f6766,transparent 80%),#071c1a}.puzzles .tile-art>span{background:#0c4437;color:#9cf5cf;border-color:#409f82;transform:rotate(5deg)}.arcade .tile-art{background:radial-gradient(circle at 50% 100%,#8b244c66,transparent 80%),#1b0a1d}.arcade .tile-art>span{background:#4f1b3c;color:#ff9cc9;border-color:#a14c79;transform:rotate(-6deg)}.board .tile-art{background:radial-gradient(circle at 50% 100%,#8e612266,transparent 80%),#18130a}.board .tile-art>span{background:#423217;color:#ffda80;border-color:#967136;transform:rotate(6deg)}.art-four-in-a-row>span{font-size:24px;letter-spacing:-.1em}.tile-copy{padding:20px}.tile-copy>small{font-size:10px;line-height:1.5;color:var(--muted);display:block;min-height:30px}.tile-copy h2{display:flex;justify-content:space-between;gap:8px;font-size:20px;letter-spacing:-.03em;margin:10px 0}.tile-copy h2>span{font-size:16px;color:var(--blue)}.tile-copy p{font-size:13px;line-height:1.55;color:var(--muted);min-height:62px;margin:0 0 20px}.play-link{display:flex;justify-content:space-between;font:700 10px ui-monospace;color:var(--blue);letter-spacing:.12em}
.play-main{max-width:1180px;margin:0 auto;padding:32px 0 42px}.play-heading{display:flex;justify-content:space-between;align-items:center;gap:20px;margin-bottom:24px}.breadcrumb{font-size:12px;text-decoration:none;color:var(--muted)}.play-heading h1{font-size:38px;letter-spacing:-.05em;margin:12px 0 0}.game-badge{border:1px solid #29496b;border-radius:30px;padding:9px 14px;font-size:11px;color:#b0c9e5}.play-layout{display:grid;grid-template-columns:minmax(0,1fr) 295px;border:1px solid var(--line);border-radius:10px;overflow:hidden;background:#040b14}.play-stage{padding:20px;min-width:0}.readouts{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;border-bottom:1px solid var(--line);padding:0 0 16px;margin-bottom:20px}.readouts>div{display:grid;gap:6px}.readouts small{color:var(--muted);font-size:10px}.readouts b{font:700 16px ui-monospace;color:#bcd9ff}.play-area{margin:0 auto;max-width:510px;min-width:0}.play-status{padding:14px;background:#0b1929;border:1px solid var(--line);border-radius:6px;font-size:13px;line-height:1.5;color:#bdd1e7;min-height:48px;margin:20px 0 0}.play-console{border-left:1px solid var(--line);background:#07101c}.play-console section{padding:20px;border-bottom:1px solid var(--line)}.play-console h2{font:700 10px ui-monospace;color:var(--muted);letter-spacing:.14em;text-transform:uppercase;margin:0 0 16px}.button-grid{display:grid;grid-template-columns:1fr 1fr;gap:8px}.button-grid button,.arcade-controls button{border:1px solid #385779;border-radius:5px;padding:10px 8px;min-height:44px;background:#0e233d;color:#ebf5ff;font-size:12px;font-weight:700}.button-grid button:first-child{border-color:#984156;background:#2c1422}.button-grid button[aria-pressed=true]{background:#154437;border-color:#53c599}.play-console label{display:grid;gap:8px;font-size:11px;color:var(--muted);margin-top:18px}.play-console select{max-width:100%;min-width:0;width:100%;border:1px solid #365171;border-radius:5px;padding:12px 8px;background:#0b1a2b;color:var(--text);font-size:12px}#save-note,.settings-note{font-size:11px;line-height:1.5;color:var(--muted);display:block}.settings-note{margin-top:10px}.game-rules strong{font-size:14px;line-height:1.6}.game-rules p{font-size:13px;line-height:1.7;color:var(--muted)}.turn-panel p{display:flex;justify-content:space-between;font-size:12px;color:var(--muted);gap:10px}.turn-panel b{color:var(--text)}.more-games{display:block;margin:20px;color:var(--blue);font-size:13px;text-decoration:none}
.mines-area{overflow-x:auto;padding:4px;scrollbar-color:#4775a7 #07101c;scrollbar-width:thin}.mines-grid{display:grid;grid-template-columns:repeat(var(--columns),1fr);gap:3px;min-width:260px}.mines-grid.large{min-width:440px;gap:2px}.mines-grid button{aspect-ratio:1;border:1px solid #345a85;border-radius:4px;background:linear-gradient(#193a60,#122942);font-size:clamp(12px,2vw,20px);font-weight:800;padding:0;color:#d9eaff}.mines-grid button:hover{background:#245786}.mines-grid .revealed{background:#0a1422;border-color:#162d49}.mines-grid .n1{color:#71b3ff}.mines-grid .n2{color:#74eab2}.mines-grid .n3{color:#ff849e}.mines-grid .n4{color:#c29bff}.mines-grid .n5,.mines-grid .n6{color:#f2d276}.mines-grid .hit{background:#9f2346;color:white;border-color:#ff7599}
.sudoku-grid{display:grid;grid-template-columns:repeat(9,1fr);border:2px solid #7199c5;background:#0c1d32;max-width:450px;margin:auto}.sudoku-grid button{aspect-ratio:1;border:0;border-right:1px solid #294563;border-bottom:1px solid #294563;background:#0b2038;color:#89c2ff;font-size:clamp(16px,2.4vw,25px);padding:0}.sudoku-grid .given{background:#101b2a;color:#eff4ff;font-weight:700}.sudoku-grid .selected{background:#225b88;box-shadow:inset 0 0 0 2px #9edfff}.sudoku-grid .box-right{border-right:2px solid #7199c5}.sudoku-grid .box-bottom{border-bottom:2px solid #7199c5}.sudoku-grid .conflict{color:#ff9daf;box-shadow:inset 0 0 0 2px #ef5576}.pencil{display:block;font-size:10px;line-height:1.4;word-spacing:2px;padding:2px;color:#8ab89f}.number-pad{display:grid;grid-template-columns:repeat(5,1fr);gap:8px;max-width:450px;margin:18px auto 0}.number-pad button{min-height:44px;background:#112b48;border:1px solid #345b83;border-radius:4px;color:#d4e9ff;font-size:18px}.number-pad button:last-child{font-size:13px}
.slide-grid{display:grid;grid-template-columns:repeat(var(--columns),1fr);gap:8px;max-width:460px;margin:12px auto;padding:12px;border:1px solid #2d486a;border-radius:10px;background:#091625}.slide-grid button,.slide-grid .blank{aspect-ratio:1;display:grid;place-items:center;border:1px solid #294565;border-radius:7px;background:#102841;color:#a9bed8;font-size:clamp(20px,3.8vw,42px);font-weight:700}.slide-grid .movable{background:#194e7e;color:#e9f8ff;border-color:#609fd4}.slide-grid .blank{background:#030a12;border:1px dashed #29405f}
.reversi-grid{display:grid;grid-template-columns:repeat(8,1fr);gap:2px;background:#285d50;border:4px solid #285d50;border-radius:5px;max-width:490px;margin:auto}.reversi-grid button{display:grid;place-items:center;aspect-ratio:1;border:0;background:#0d332d;padding:5px;position:relative}.reversi-grid button:hover{background:#1a5347}.disc{width:85%;height:85%;border-radius:50%;display:block}.disc.blue{background:radial-gradient(circle at 33% 25%,#8cc6ff,#2b72d5 70%);box-shadow:inset 0 0 0 2px #a3cfff55,0 3px 3px #0004}.disc.gold{background:radial-gradient(circle at 33% 25%,#ffe8a4,#d39524 70%);box-shadow:inset 0 0 0 2px #ffeeaf66,0 3px 3px #0004}.disc.empty{background:#030a16;box-shadow:inset 0 2px 6px #000a}.disc.winning{outline:3px solid #fff;outline-offset:1px}.legal-dot{width:18%;height:18%;border-radius:50%;background:#96dabc}
.four-columns,.four-grid{display:grid;grid-template-columns:repeat(7,1fr);gap:5px;max-width:490px;margin:auto}.four-columns{margin-bottom:10px}.four-columns button{min-height:42px;border:1px solid #3b6694;border-radius:6px;background:#112e50;color:#a4d1ff;font-size:24px}.four-grid{border:1px solid #396993;border-radius:10px;background:#13335b;padding:10px}.four-grid button{aspect-ratio:1;padding:4px;display:grid;place-items:center;background:none;border:0}
.canvas-area{max-width:390px}.canvas-area canvas{display:block;max-width:100%;width:100%;height:auto;border:1px solid #263e5d;border-radius:7px;touch-action:none}.arcade-controls{display:grid;grid-template-columns:1fr;gap:10px;max-width:390px;margin:14px auto 0}.arcade-controls .primary{background:#1762ba;border-color:#6dafff;font-size:15px}.direction-pad{display:flex;gap:8px}.direction-pad button{flex:1;touch-action:none;font-size:16px;user-select:none}.arcade-controls p{margin:0;text-align:center;font-size:12px;color:var(--muted)}
@media(min-width:1500px){.catalog-main,.catalog-footer{max-width:1320px}}
@media(max-width:1300px){.catalog-main,.catalog-footer{margin-left:28px;margin-right:28px}.play-main{margin-left:24px;margin-right:24px}.catalog-header{padding:18px 28px}.topnav{gap:22px}.tile-copy{padding:16px}}
@media(max-width:1000px){.game-grid{grid-template-columns:repeat(3,1fr)}.category-grid{grid-template-columns:repeat(2,1fr)}.catalog-header{padding:16px 22px}.brand small{display:none}.brand>span{font-size:13px}.topnav{gap:18px}.play-layout{grid-template-columns:minmax(0,1fr) 260px}.play-console section{padding:16px}.play-stage{padding:16px}.play-main{margin:0 20px}.readouts{gap:8px}.readouts b{font-size:14px}.readouts small{font-size:9px}}
@media(max-width:760px){.catalog-header{display:flex;flex-direction:column;align-items:stretch;gap:12px;padding:14px 20px}.brand{justify-content:flex-start}.brand>b{width:34px;height:34px;font-size:14px}.brand small{display:block;font-size:7px}.topnav{justify-content:space-between;gap:10px}.topnav a{font-size:11px;padding:10px 0}.catalog-main,.catalog-footer{margin:0 20px}.catalog-intro{padding:40px 0 32px}.catalog-intro h1{font-size:48px}.catalog-intro>p{font-size:15px}.hero-actions{align-items:flex-start;flex-direction:column;gap:16px}.game-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}.tile-art{height:140px}.tile-copy h2{font-size:19px}.category-grid{gap:12px}.category-grid>a{padding:20px}.category-grid h2{font-size:20px}.catalog-footer{margin-top:36px;flex-direction:column;gap:18px}.catalog-footer nav{gap:16px;line-height:1.7}.play-heading{align-items:flex-start;flex-direction:column;gap:12px}.play-heading h1{font-size:34px}.game-badge{font-size:10px}.play-layout{display:flex;flex-direction:column;overflow:visible;border:0;background:none;gap:16px}.play-console{display:contents}.play-actions{order:0;border:1px solid var(--line)!important;border-radius:8px;background:var(--panel);padding:16px!important}.play-actions h2{display:none}.button-grid{grid-template-columns:repeat(3,1fr)}.button-grid button{font-size:12px}.play-actions label{display:inline-grid;width:calc(50% - 5px);margin-right:5px;vertical-align:top}.play-actions label:only-of-type{width:100%;margin-right:0}.settings-note{font-size:10px}.play-stage{order:2;border:1px solid var(--line);border-radius:8px;padding:14px;background:#040b14}.turn-panel{order:1;border:1px solid var(--line);border-radius:8px;padding:10px 16px!important;display:flex;justify-content:space-between;gap:15px}.turn-panel p{margin:4px 0;gap:12px}.game-rules{order:3;border:1px solid var(--line);border-radius:8px;background:var(--panel);padding:20px!important}.more-games{order:4;margin:4px}.play-main{padding-top:26px;margin:0 16px}.readouts{gap:8px;margin-bottom:16px}.readouts b{font-size:13px}.readouts small{font-size:9px}.mines-grid.large{min-width:430px}.play-status{font-size:12px}.canvas-area{max-width:390px}}
@media(max-width:430px){.catalog-header{padding:12px 16px}.topnav{gap:8px}.topnav a{font-size:10px}.catalog-main,.catalog-footer{margin-left:16px;margin-right:16px}.catalog-intro h1{font-size:42px}.category-grid>a{padding:16px}.category-grid h2{font-size:18px;margin-top:20px}.category-grid p{font-size:12px}.game-grid{grid-template-columns:1fr}.tile-art{height:170px}.tile-copy{padding:20px}.tile-copy>small{min-height:0}.tile-copy h2{font-size:23px}.tile-copy p{min-height:0;margin-bottom:20px;font-size:14px}.section-heading>span{font-size:9px}.section-heading a{font-size:11px}.play-heading h1{font-size:32px}.button-grid{grid-template-columns:1fr 1fr}.play-stage{padding:10px}.readouts{gap:5px}.readouts small{font-size:8px}.readouts b{font-size:11px}.sudoku-grid button{font-size:19px}.pencil{font-size:8px}.four-grid{padding:6px;gap:3px}.four-grid button{padding:2px}.four-columns{gap:4px}.four-columns button{font-size:19px}.reversi-grid{gap:1px;border-width:3px}.reversi-grid button{padding:3px}.turn-panel{flex-direction:column;gap:5px}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}.game-tile:hover{transform:none}}