:root{color-scheme:dark;--gold:#d1bb8d;--cream:#f2efe5;--muted:#a4a69b}*{box-sizing:border-box}body{margin:0;background:#171916;color:var(--cream);font-family:Arial,Helvetica,sans-serif}button,select{font:inherit}button{cursor:pointer;touch-action:manipulation;border:1px solid #ffffff26;color:var(--cream);background:transparent;border-radius:5px;padding:11px 15px;min-height:44px}button:hover{border-color:var(--gold);color:var(--gold)}button:focus-visible,select:focus-visible,a:focus-visible{outline:3px solid white;outline-offset:4px}[hidden]{display:none!important}header{height:88px;padding:18px 5vw;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid #ffffff16}.brand{font-size:22px;line-height:.86;font-weight:900;letter-spacing:-1px}.brand small{display:block;font-weight:400;font-size:9px;letter-spacing:3px;margin-top:8px;color:var(--gold)}nav{display:flex;gap:8px}main{max-width:1220px;margin:auto;padding:35px 28px 20px}.intro{display:flex;justify-content:space-between;align-items:end;gap:20px;margin-bottom:25px}.eyebrow{font-size:10px;letter-spacing:3px;color:var(--gold);font-weight:700}h1{font-size:clamp(36px,5vw,64px);letter-spacing:-3px;font-weight:400;margin:10px 0}em{color:var(--gold);font-style:normal}.intro p{font-size:14px;color:var(--muted);margin:0}.intro label{display:flex;flex-direction:column;gap:8px;font-size:10px;letter-spacing:2px;color:var(--muted)}select{border:1px solid #ffffff2c;background:#22251f;color:var(--cream);padding:12px;border-radius:4px;min-width:170px}.arena{background:#1e211b;border:1px solid #ffffff15;border-radius:10px;padding:22px}.stats{display:flex;align-items:center;gap:34px;padding-bottom:18px;border-bottom:1px solid #ffffff12}.stats small{display:block;color:var(--muted);font-size:9px;letter-spacing:2px;margin-bottom:6px}.stats strong{font-size:23px;font-weight:400;font-variant-numeric:tabular-nums}#restart{margin-left:auto}.board{display:grid;grid-template-columns:repeat(var(--cols,4),1fr);gap:12px;max-width:640px;margin:22px auto 0}.card{position:relative;aspect-ratio:1;border:0;padding:0;background:transparent;perspective:800px;border-radius:6px;min-width:0}.inner{position:absolute;inset:0;transform-style:preserve-3d;transition:transform .4s}.card.open .inner,.card.matched .inner{transform:rotateY(180deg)}.face{position:absolute;inset:0;backface-visibility:hidden;border-radius:6px;overflow:hidden}.back{border:1px solid #b9a57460;background:repeating-linear-gradient(45deg,transparent,transparent 9px,#cbb58505 9px,#cbb58505 10px),#252920;display:flex;align-items:center;justify-content:center;flex-direction:column;color:var(--gold);box-shadow:0 3px 0 #11140f}.back:before{content:'';position:absolute;inset:7px;border:1px solid #cbb58522;border-radius:3px}.back b{font-size:clamp(11px,1.8vw,23px);line-height:.9;font-weight:900;letter-spacing:-.7px}.back small{font-size:7px;letter-spacing:3px;margin-top:10px}.front{transform:rotateY(180deg);background:#303629}.front img{width:100%;height:100%;object-fit:cover}.card.matched .front{outline:3px solid var(--gold);outline-offset:-3px}.card.matched:after{content:'✓';position:absolute;right:5px;top:5px;background:var(--gold);color:#171916;border-radius:50%;width:22px;height:22px;display:grid;place-items:center;font-size:14px}.card:hover:not(.open):not(.matched) .back{border-color:var(--gold);background-color:#303629}.foot{display:flex;align-items:center;justify-content:space-between;margin-top:18px;gap:15px;color:var(--muted);font-size:12px}.now{display:flex;align-items:center;gap:10px}.disc{width:30px;height:30px;border:1px solid #857859;border-radius:50%;display:grid;place-items:center;color:var(--gold)}.now b{font-size:11px;color:var(--cream);display:block;margin-bottom:4px}.now small{font-size:10px}footer{text-align:center;color:#777d70;font-size:10px;letter-spacing:1px;padding:20px}footer a{color:var(--gold);text-decoration:none}.overlay{position:fixed;inset:0;background:#10130ef5;backdrop-filter:blur(12px);display:grid;place-items:center;z-index:10;padding:24px;overflow:auto}.panel{max-width:520px;text-align:center}.panel h2{font-size:clamp(40px,8vw,72px);font-weight:400;letter-spacing:-3px;line-height:1.05;margin:15px 0 22px}.panel p{color:#b3b7a9;line-height:1.7;font-size:15px}.preview{display:flex;justify-content:center;margin:30px 0}.preview img{width:95px;height:95px;object-fit:cover;border:3px solid #171916;border-radius:6px;transform:rotate(-12deg)}.preview img+img{margin-left:-15px;transform:rotate(4deg)}.preview img+img+img{transform:rotate(15deg)}.primary{background:var(--gold);color:#1b1d17;font-weight:700;border:0;border-radius:4px;padding:17px 30px;min-height:52px}.primary:hover{background:#e6d3ae;color:#171916}.panel .hint{font-size:11px;margin-top:18px}.soundchoice{display:block;margin:20px;font-size:13px;color:var(--gold)}input{accent-color:var(--gold)}#notice{font-size:12px;color:var(--gold);margin:10px 0 0;text-align:center}#notice:empty{display:none}.immersive header,.immersive .intro,.immersive footer{display:none}.immersive main{padding:12px;max-width:none}.immersive .arena{border:0;background:#171916;padding:5px}.immersive .board{margin-top:12px;gap:8px;max-width:min(100%,calc((100dvh - 170px)*var(--cols)/var(--rows)))}.immersive .stats{padding-bottom:10px}.immersive .stats strong{font-size:20px}@media(max-width:650px){header{height:72px;padding:15px 18px}.brand{font-size:18px}nav button{font-size:12px;padding:9px}.intro{align-items:start;margin-bottom:18px}.intro p{max-width:210px;line-height:1.5;font-size:12px}h1{letter-spacing:-2px}main{padding:24px 14px 8px}.intro label{letter-spacing:1px}select{min-width:0;width:125px;font-size:12px;padding:10px}.arena{padding:13px}.stats{gap:18px}.stats strong{font-size:20px}.stats button{font-size:12px;padding:8px}.board{gap:8px}.back b{font-size:15px}.back small{font-size:6px;letter-spacing:2px}.foot{font-size:10px}.foot>span{max-width:125px;text-align:right}.immersive main{padding:max(8px,env(safe-area-inset-top)) max(8px,env(safe-area-inset-right)) max(8px,env(safe-area-inset-bottom)) max(8px,env(safe-area-inset-left))}.immersive .back b{font-size:13px}}@media(prefers-reduced-motion:reduce){.inner{transition:none}}
.disc{padding:0;min-height:34px;min-width:34px}.board{max-width:min(640px,calc((100dvh - 410px)*var(--cols)/var(--rows)))}@media(max-width:650px){.board{max-width:100%}}.immersive .board{max-width:min(100%,calc((100dvh - 170px)*var(--cols)/var(--rows)))}

.card{container-type:inline-size}.back b{font-size:clamp(10px,20cqw,28px)}.back small{font-size:clamp(4px,6cqw,7px)}

/* Fit the complete board into the visible viewport, including mobile browser bars. */
body.game-active.mobile-fit,body.immersive{position:fixed;inset:0;height:var(--play-height,100dvh);overflow:hidden;display:flex;flex-direction:column;overscroll-behavior:none}
.game-active.mobile-fit header{height:48px;flex:none;padding:5px 10px}.game-active.mobile-fit .brand{font-size:15px}.game-active.mobile-fit .brand small{display:none}.game-active.mobile-fit nav button{padding:5px 10px;min-height:36px;font-size:12px}
.game-active.mobile-fit main,.immersive main{width:100%;flex:1;min-height:0;margin:0;padding:4px max(6px,env(safe-area-inset-right)) max(4px,env(safe-area-inset-bottom)) max(6px,env(safe-area-inset-left));display:flex;flex-direction:column}
.game-active.mobile-fit .intro{height:36px;flex:none;margin:0 0 3px;justify-content:flex-end;align-items:center}.game-active.mobile-fit .intro>div{display:none}.game-active.mobile-fit .intro label{font-size:0;gap:0}.game-active.mobile-fit select{height:32px;width:auto;min-width:164px;padding:4px 8px;font-size:12px}
.game-active.mobile-fit .arena,.immersive .arena{flex:1;min-height:0;display:flex;flex-direction:column;padding:6px;border:0}.game-active.mobile-fit .stats,.immersive .stats{flex:none;height:48px;padding:0 0 4px;gap:16px}.game-active.mobile-fit .stats small{font-size:8px;margin-bottom:3px}.game-active.mobile-fit .stats strong{font-size:18px}.game-active.mobile-fit .stats button{min-height:36px;padding:6px 9px;font-size:12px}
.game-active.mobile-fit .board-fit-wrapper,.immersive .board-fit-wrapper{flex:1;min-height:0;min-width:0;display:flex;justify-content:center;align-items:center;overflow:hidden;padding:4px 0}
.game-active.mobile-fit .board,.immersive .board{flex:none;max-width:none;margin:0;gap:4px;grid-template-rows:repeat(var(--rows),1fr)}
.game-active.mobile-fit .card,.immersive .card{min-height:0;aspect-ratio:1}.game-active.mobile-fit .back:before,.immersive .back:before{inset:3px}.game-active.mobile-fit .back small,.immersive .back small{margin-top:4px;letter-spacing:1px}.game-active.mobile-fit .foot,.immersive .foot{height:39px;flex:none;margin:0;gap:8px}.game-active.mobile-fit .foot>span{max-width:45%;font-size:10px}.game-active.mobile-fit #notice,.immersive #notice{flex:none;font-size:10px;margin:2px 0}.game-active.mobile-fit footer{display:none}
@media(max-height:480px){.game-active.mobile-fit header{height:40px}.game-active.mobile-fit .intro{position:absolute;top:4px;left:42%;height:32px;margin:0;z-index:1}.game-active.mobile-fit select{min-width:140px;width:140px}.game-active.mobile-fit .stats{height:40px}.game-active.mobile-fit .foot{height:34px}}

.now{min-width:0}.track-info{min-width:0}.track-info b{max-width:260px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}#nextTrack{flex:none}#message{margin-left:auto}.game-active.mobile-fit .now,.immersive .now{flex:1}.game-active.mobile-fit .track-info b,.immersive .track-info b{max-width:100%}@media(max-width:450px){.game-active.mobile-fit #message{display:none}.game-active.mobile-fit .track-info{max-width:calc(100vw - 112px)}}

.difficulty-choice{border:0;padding:0;margin:20px 0}.difficulty-choice legend{width:100%;text-align:center;font-size:13px;font-weight:bold;color:var(--cream);margin-bottom:10px}.round-options{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}.round-options label{position:relative;cursor:pointer}.round-options input{position:absolute;opacity:0;width:1px;height:1px}.round-options span{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:7px;min-height:76px;border:1px solid #d1bb8d66;border-radius:6px;background:#22271e;padding:10px}.round-options strong{font-size:19px;color:var(--cream)}.round-options small{font-size:11px;color:var(--muted)}.round-options input:checked+span{background:var(--gold);border-color:var(--gold)}.round-options input:checked+span strong,.round-options input:checked+span small{color:#171916}.round-options input:focus-visible+span{outline:3px solid white;outline-offset:3px}#welcome .panel h2{font-size:clamp(32px,6.5vw,60px);margin:12px 0 16px}#welcome .preview{margin:18px 0}#welcome .preview img{width:74px;height:74px}#welcome .soundchoice{margin:15px}#welcome .panel p{margin:12px 0}#welcome .primary:disabled{opacity:.55;cursor:wait}@media(max-width:450px){.difficulty-choice{margin:16px 0}.round-options{gap:7px}.round-options span{min-height:68px;padding:8px}.round-options strong{font-size:17px}.round-options small{font-size:10px}#welcome .panel p{font-size:13px}#welcome .eyebrow{font-size:9px;letter-spacing:2px}}@media(max-height:650px){#welcome .preview{display:none}#welcome .panel h2{font-size:34px}#welcome .panel .hint{font-size:10px}}

#welcome .welcome-live{margin:12px 0 0;font-size:12px}.welcome-live a{color:var(--gold);text-decoration:underline;text-underline-offset:4px;display:inline-block;padding:8px 10px}.welcome-live a:hover{color:var(--cream)}.after-game-promo{border-top:1px solid #d1bb8d33;margin-top:28px;padding-top:20px}.after-game-promo h3{font-size:21px;font-weight:400;letter-spacing:-.3px;margin:0 0 8px;color:var(--cream)}.panel .after-game-promo p{font-size:13px;line-height:1.5;margin:0 0 14px}.promo-links{display:flex;justify-content:center;flex-wrap:wrap;gap:10px}.promo-links a{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:10px 14px;border:1px solid #d1bb8d66;border-radius:4px;color:var(--gold);font-size:13px;text-decoration:none}.promo-links a:hover{background:#d1bb8d16;border-color:var(--gold)}@media(max-height:650px){#welcome .welcome-live{margin-top:4px}#welcome .panel .hint{margin-bottom:0}#won .panel h2{font-size:44px;margin:12px 0 16px}.after-game-promo{margin-top:20px;padding-top:14px}}