:root{--bg:#080504;--ink:#fff0d0;--muted:#d7ba86;--red:#e73522;--fire:#ff6d1f;--sun:#ffd76b;--blue:#42d7ff;--line:rgba(255,240,208,.23);--glass:rgba(8,5,4,.72);--safe-bottom:max(14px,env(safe-area-inset-bottom))}*{box-sizing:border-box}html,body{margin:0;width:100%;height:100%;overflow:hidden;background:var(--bg);color:var(--ink);font-family:Inter,Arial,Helvetica,sans-serif;touch-action:none}button,a{font:inherit;color:inherit}button{cursor:pointer}a{text-decoration:none}.hidden{display:none!important}canvas{position:fixed;inset:0;width:100%;height:100%;display:block;background:#080504}.grain{position:fixed;inset:0;z-index:4;pointer-events:none;opacity:.08;background-image:url("data:image/svg+xml,%3Csvg viewBox='0 0 180 180' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence baseFrequency='.8' numOctaves='3'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E")}.deck-header{position:fixed;z-index:20;top:0;left:0;right:0;padding:max(12px,env(safe-area-inset-top)) 18px 9px;display:flex;align-items:center;justify-content:space-between;gap:16px;pointer-events:none;background:linear-gradient(180deg,rgba(8,5,4,.9),rgba(8,5,4,0))}.brand,.mode,.deck-header nav{pointer-events:auto}.brand{display:flex;align-items:center;gap:10px;font-size:10px;font-weight:950;text-transform:uppercase;letter-spacing:.16em;text-shadow:0 4px 16px #000}.brand svg{width:31px;fill:var(--fire);filter:drop-shadow(0 0 15px rgba(255,92,30,.65))}.mode{text-align:center;text-shadow:0 5px 22px #000}.mode span,.mode strong{display:block}.mode span{color:var(--muted);font-size:8px;font-weight:950;letter-spacing:.18em;text-transform:uppercase}.mode strong{font:25px/.9 Impact,"Arial Narrow",sans-serif;text-transform:uppercase;letter-spacing:.05em}.deck-header nav{display:flex;gap:7px}.deck-header nav button,.deck-header nav 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b{display:block;width:0;height:100%;background:linear-gradient(90deg,var(--red),var(--sun));transition:width .12s}.judge{position:fixed;z-index:30;left:50%;top:40%;transform:translate(-50%,-50%) scale(.85);text-align:center;opacity:0;pointer-events:none;text-transform:uppercase}.judge strong{display:block;font:clamp(34px,8vw,88px)/.78 Impact,"Arial Narrow",sans-serif;color:var(--sun);text-shadow:0 0 28px rgba(255,109,31,.75),0 8px 28px #000}.judge small{display:block;color:#fff0d0;font-size:12px;font-weight:950;letter-spacing:.18em}.judge.pop{animation:judge .58s ease-out}@keyframes judge{15%{opacity:1;transform:translate(-50%,-50%) scale(1.04)}100%{opacity:0;transform:translate(-50%,-68%) scale(1.18)}}.loading{position:fixed;z-index:60;inset:0;display:grid;place-content:center;justify-items:center;gap:18px;background:radial-gradient(circle at 50% 58%,rgba(231,53,34,.34),transparent 38%),#080504}.loading strong{font-size:11px;font-weight:950;letter-spacing:.2em;text-transform:uppercase}.loading small{color:var(--muted);font-size:9px}.loading>div:last-of-type{width:min(280px,72vw);height:3px;background:#fff2}.loading>div:last-of-type i{display:block;width:0;height:100%;background:linear-gradient(90deg,var(--red),var(--sun));transition:.2s}.mark{position:relative;width:78px;height:62px}.mark i{position:absolute;width:42px;height:38px;clip-path:polygon(50% 0,100% 100%,80% 100%,50% 24%,20% 100%,0 100%);background:var(--red);filter:drop-shadow(0 0 18px rgba(255,82,30,.8))}.mark i:nth-child(1){left:18px}.mark i:nth-child(2){left:0;top:23px;transform:scale(.7)}.mark i:nth-child(3){right:0;top:23px;transform:scale(.7)}.select-screen,.pause,.result{position:fixed;z-index:50;inset:0;padding:18px;display:grid;place-items:center;background:rgba(4,3,2,.76);backdrop-filter:blur(14px);overflow:auto}.select-shell{width:min(1240px,100%);max-height:calc(100svh - 36px);display:grid;grid-template-columns:.82fr 1.18fr;border:1px solid rgba(255,240,208,.24);border-radius:30px;overflow:hidden;background:linear-gradient(145deg,rgba(30,12,6,.96),rgba(7,5,4,.99));box-shadow:0 42px 140px #000}.deck-copy{padding:clamp(24px,4vw,48px);min-height:650px;display:flex;flex-direction:column;justify-content:flex-end;background:linear-gradient(0deg,rgba(7,4,3,.9),rgba(7,4,3,.22)),url("../assets/game/environment-night.webp") center/cover}.eyebrow{margin:0;color:var(--sun);font-size:10px;font-weight:950;letter-spacing:.18em;text-transform:uppercase}.deck-copy h1{margin:13px 0;font:clamp(66px,8vw,122px)/.75 Impact,"Arial Narrow",sans-serif;text-transform:uppercase;letter-spacing:-.04em;text-shadow:0 12px 34px #000}.deck-copy h1 em{font-style:normal;color:var(--fire)}.deck-copy p:not(.eyebrow){max-width:570px;color:#ffe0aa;font:15px/1.6 Georgia,serif;text-shadow:0 4px 18px #000}.youtube{margin-top:19px;border:1px solid var(--line);border-radius:22px;overflow:hidden;background:rgba(0,0,0,.5);box-shadow:0 20px 70px #0008}.youtube iframe{display:block;width:100%;aspect-ratio:16/9;border:0;background:#000}.youtube div{padding:14px 16px}.youtube strong,.youtube span,.youtube a{display:block}.youtube strong{font-size:22px;text-transform:uppercase;letter-spacing:-.03em}.youtube span{margin-top:3px;color:var(--muted);font-size:13px}.youtube a{margin-top:10px;color:var(--sun);font-size:10px;font-weight:950;letter-spacing:.12em;text-transform:uppercase}.controls{display:grid;grid-template-columns:1fr 1fr;gap:7px;margin-top:14px}.controls span{padding:8px;border:1px solid rgba(255,240,208,.16);border-radius:12px;background:rgba(0,0,0,.34);font-size:11px;color:#ffe0aa}.controls kbd{display:inline-grid;place-items:center;min-width:22px;height:22px;margin-right:3px;border:1px solid #fff4;border-radius:6px;background:#0006;color:#fff;font-size:10px}.panel{padding:clamp(22px,3vw,34px);overflow:auto}.panel-head{display:flex;justify-content:space-between;align-items:flex-end;gap:18px;margin-bottom:14px}.panel-head span{display:block;color:var(--fire);font:28px Impact,sans-serif}.panel-head strong{display:block;margin-top:2px;font-size:20px;text-transform:uppercase;letter-spacing:.05em}.panel-head small{color:var(--muted);font-size:12px;text-align:right}.track-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:9px}.track-card{position:relative;min-height:116px;padding:10px;border:1px solid rgba(255,240,208,.16);border-radius:16px;overflow:hidden;background:#140b07;text-align:left;transition:.14s}.track-card:before{content:"";position:absolute;inset:0;background:linear-gradient(0deg,rgba(0,0,0,.74),rgba(0,0,0,.16)),var(--cover);background-position:center;background-size:cover;opacity:.82}.track-card>*{position:relative}.track-card:hover,.track-card.selected{transform:translateY(-2px);border-color:rgba(255,215,107,.75);box-shadow:0 12px 36px #0007}.track-card span,.track-card small{display:block}.track-card span{color:var(--sun);font-size:8px;font-weight:950;letter-spacing:.13em;text-transform:uppercase}.track-card strong{display:block;margin-top:30px;font-size:15px;line-height:1.08;text-shadow:0 4px 14px #000}.track-card small{margin-top:4px;color:#efd5a5;font-size:9px;text-transform:uppercase;letter-spacing:.08em}.deck-detail{margin-top:16px;padding:19px;border:1px solid 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a{min-height:46px;padding:0 18px;border:1px solid var(--line);border-radius:999px;background:rgba(255,255,255,.08);display:inline-flex;align-items:center;justify-content:center;font-size:11px;font-weight:950;letter-spacing:.06em;text-transform:uppercase}.primary{background:linear-gradient(135deg,var(--red),#6f160d)!important;border-color:transparent!important;box-shadow:0 14px 38px rgba(223,50,31,.3)}.pause>div,.result-card{width:min(940px,100%);border:1px solid var(--line);border-radius:28px;background:linear-gradient(145deg,rgba(24,10,6,.96),rgba(7,5,4,.99));box-shadow:0 36px 120px #000}.pause>div{padding:38px;text-align:center}.pause p,.result-copy p:first-child{margin:0;color:var(--sun);font-size:10px;font-weight:950;letter-spacing:.18em;text-transform:uppercase}.pause h2,.result-copy h2{margin:12px 0 18px;font:clamp(44px,7vw,86px)/.8 Impact,"Arial Narrow",sans-serif;text-transform:uppercase;letter-spacing:-.035em}.result-card{display:grid;grid-template-columns:.78fr 1.22fr;overflow:hidden}.result-art{position:relative;min-height:540px;background:linear-gradient(0deg,rgba(7,5,4,.88),rgba(7,5,4,.08)),url("../assets/game/environment-highveld.webp") center/cover}.result-art span{position:absolute;top:22px;left:22px;font:clamp(96px,13vw,180px)/.75 Impact,sans-serif;color:var(--sun);text-shadow:0 8px 30px #000}.result-art strong{position:absolute;left:24px;right:24px;bottom:24px;font:34px/.9 Impact,sans-serif;text-transform:uppercase;text-shadow:0 8px 26px #000}.result-copy{padding:clamp(25px,4vw,50px);align-self:center}.final span,.final strong{display:block}.final span{color:var(--muted);font-size:9px;font-weight:950;letter-spacing:.14em;text-transform:uppercase}.final strong{font:clamp(66px,9vw,124px)/.8 Impact,sans-serif;color:var(--sun)}.stats{display:grid;grid-template-columns:1fr 1fr;gap:1px;margin:18px 0;background:var(--line);border:1px solid var(--line)}.stats div{padding:13px;background:#110b08}.stats span,.stats strong{display:block}.stats span{color:var(--muted);font-size:8px;font-weight:950;letter-spacing:.12em;text-transform:uppercase}.stats strong{margin-top:4px}.result-copy p:not(:first-child){color:var(--muted);line-height:1.55}.touch{position:fixed;z-index:18;left:50%;bottom:var(--safe-bottom);transform:translateX(-50%);display:none;grid-template-columns:repeat(5,58px);gap:7px}.touch button{height:52px;border:1px solid var(--line);border-radius:17px;background:rgba(8,5,4,.74);backdrop-filter:blur(12px);font-size:10px;font-weight:950;text-transform:uppercase}.touch button:active,.touch button.active{border-color:var(--sun);background:rgba(132,40,22,.9);transform:scale(.95)}@media(max-width:1080px){.select-shell{grid-template-columns:1fr}.deck-copy{min-height:auto}.track-grid{grid-template-columns:repeat(3,1fr)}.hud{grid-template-columns:repeat(3,1fr);right:auto}.hud>div{min-width:0}.deck-header nav a:nth-of-type(3){display:none}}@media(max-width:720px){.deck-header{padding-left:9px;padding-right:9px}.brand span,.mode{display:none}.deck-header nav{gap:4px}.deck-header nav button,.deck-header nav a{min-width:34px;height:34px;padding:0 8px;font-size:8px}.hud{top:55px;left:8px;right:8px;grid-template-columns:1fr 1fr 1fr;gap:4px}.hud>div{padding:6px 7px}.hud span{font-size:6px}.hud strong{font-size:12px}.select-screen,.pause,.result{padding:8px}.select-shell{max-height:calc(100svh - 16px);border-radius:22px}.deck-copy,.panel{padding:18px}.deck-copy h1{font-size:58px}.youtube iframe{min-height:180px}.track-grid{grid-template-columns:1fr 1fr}.track-card{min-height:96px}.deck-detail dl{grid-template-columns:1fr}.controls{grid-template-columns:1fr}.result-card{grid-template-columns:1fr;max-height:calc(100svh - 16px);overflow:auto}.result-art{min-height:190px}.result-art span{font-size:82px}.result-art strong{font-size:27px}.touch{display:grid}.judge{top:34%}}@media(max-width:420px){.track-grid{grid-template-columns:1fr}.touch{grid-template-columns:repeat(5,48px);gap:5px}.touch button{height:46px}.actions button,.actions a,.result-actions button,.result-actions a{width:100%}}@media(prefers-reduced-motion:reduce){*{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}}

.audio-rack{display:grid;grid-template-columns:1fr auto auto;gap:9px;align-items:center;margin-top:18px;padding:14px;border:1px solid rgba(255,240,208,.2);border-radius:18px;background:rgba(0,0,0,.38);box-shadow:inset 0 0 40px rgba(0,0,0,.18)}
.audio-rack strong,.audio-rack small{display:block}.audio-rack strong{margin-top:7px;font-size:13px;line-height:1.35}.audio-rack small{margin-top:4px;color:var(--muted);font-size:11px;line-height:1.35}.source-pill{display:inline-flex;align-items:center;min-height:24px;padding:0 9px;border-radius:999px;border:1px solid rgba(255,240,208,.2);font-size:8px;font-weight:950;letter-spacing:.13em;text-transform:uppercase}.source-pill.local{background:rgba(46,211,155,.18);border-color:rgba(46,211,155,.58);color:#aaffdf}.source-pill.fallback{background:rgba(255,109,31,.15);border-color:rgba(255,109,31,.52);color:var(--sun)}.source-pill.checking{background:rgba(255,255,255,.08);color:#fff0d0}.audio-rack button,.audio-rack a{min-height:38px;padding:0 12px;border:1px solid var(--line);border-radius:999px;background:rgba(255,255,255,.08);display:inline-flex;align-items:center;justify-content:center;font-size:9px;font-weight:950;letter-spacing:.08em;text-transform:uppercase}.audio-rack button:disabled{opacity:.55;cursor:not-allowed}.lesson{display:grid;grid-template-columns:1fr;gap:7px;margin-top:10px}.lesson span{display:grid;grid-template-columns:24px 1fr;gap:8px;align-items:center;padding:8px 10px;border:1px solid rgba(255,240,208,.14);border-radius:12px;background:rgba(0,0,0,.3);color:#ffe0aa;font-size:11px;line-height:1.35}.lesson b{display:grid;place-items:center;width:22px;height:22px;border-radius:50%;background:var(--red);color:#fff;font-size:10px}.track-card.has-audio{border-color:rgba(46,211,155,.6)}.track-card.has-audio:after,.track-card.needs-audio:after{position:absolute;right:8px;top:8px;padding:4px 7px;border-radius:999px;font-size:7px;font-weight:950;letter-spacing:.12em}.track-card.has-audio:after{content:'LOCAL';background:rgba(46,211,155,.18);color:#baffdf}.track-card.needs-audio:after{content:'MP3';background:rgba(255,109,31,.18);color:var(--sun)}
@media(max-width:1080px){.audio-rack{grid-template-columns:1fr}.audio-rack button,.audio-rack a{width:100%}.hud{grid-template-columns:repeat(4,1fr)}}
@media(max-width:720px){.hud{grid-template-columns:1fr 1fr 1fr}.audio-rack{padding:11px}.lesson span{font-size:10px}}

/* ─── v42 Visual Polish ───────────────────────────────────────────────────── */

/* CTA pulse */
@keyframes cta-pulse{0%,100%{box-shadow:0 14px 38px rgba(223,50,31,.3)}50%{box-shadow:0 14px 60px rgba(255,100,30,.65),0 0 0 4px rgba(255,100,30,.18)}}
.primary{animation:cta-pulse 2.4s ease-in-out infinite}
.primary:hover,.primary:focus{animation:none;box-shadow:0 18px 55px rgba(255,80,20,.6)!important;transform:translateY(-1px)}

/* Track card shine sweep */
.track-card::before{content:'';position:absolute;inset:0;z-index:1}
.track-card .card-shine{position:absolute;inset:0;z-index:2;background:linear-gradient(115deg,transparent 35%,rgba(255,215,107,.09) 50%,transparent 65%);opacity:0;transition:opacity .2s;pointer-events:none}
.track-card:hover .card-shine{opacity:1}

/* Audio-ready glow pulse */
@keyframes audio-ready{0%,100%{box-shadow:0 0 0 0 rgba(46,211,155,0)}60%{box-shadow:0 0 16px 3px rgba(46,211,155,.28)}}
.track-card.has-audio{animation:audio-ready 2.8s ease-in-out infinite}
.track-card.has-audio:hover,.track-card.has-audio.selected{animation:none}

/* Judge colours */
.judge.perfect strong{color:var(--sun);text-shadow:0 0 40px rgba(255,215,107,.9),0 0 80px rgba(255,109,31,.5)}
.judge.great strong{color:#a8f5b8;text-shadow:0 0 30px rgba(50,220,140,.8)}
.judge.good strong{color:var(--fire)}
.judge.ok strong{color:var(--muted)}
.judge.miss strong{color:var(--red)}

/* Score bump */
@keyframes score-bump{0%{transform:scale(1)}40%{transform:scale(1.22)}100%{transform:scale(1)}}
#scoreValue.bump{animation:score-bump .18s ease-out}

/* Burn mode body class */
@keyframes burn-border{0%,100%{opacity:1}50%{opacity:.88}}
body.burn-active .hud{border-color:rgba(255,80,20,.4)}
body.burn-active #comboValue{color:var(--fire);text-shadow:0 0 14px rgba(255,80,20,.8)}
body.burn-active .deck-header{background:linear-gradient(180deg,rgba(90,20,8,.95),rgba(8,5,4,0))}

/* Mark logo pulse */
@keyframes mark-flare{0%,100%{filter:drop-shadow(0 0 18px rgba(255,82,30,.8))}50%{filter:drop-shadow(0 0 36px rgba(255,140,30,1))}}
.mark i{animation:mark-flare 1.4s ease-in-out infinite}
.mark i:nth-child(2){animation-delay:.2s}
.mark i:nth-child(3){animation-delay:.4s}

/* Signal bar states */
#signalBar{transition:width .12s,background .3s}
.signal-warn #signalBar{background:linear-gradient(90deg,var(--red),rgba(255,80,20,.6))}
.signal-critical #signalBar{background:var(--red)}
@keyframes signal-flash{0%,100%{opacity:1}50%{opacity:.4}}
.signal-critical #signalValue{animation:signal-flash .5s ease-in-out infinite;color:var(--red)}

/* Source pill transition */
.source-pill{transition:background .3s,border-color .3s,color .3s}

/* Result rank colours */
.rank-s #rankValue{color:var(--sun);text-shadow:0 0 40px rgba(255,215,107,.9),0 8px 30px #000;animation:cta-pulse 2s ease-in-out infinite}
.rank-a #rankValue{color:#a8f5b8}
.rank-b #rankValue{color:var(--fire)}
.rank-c #rankValue{color:var(--muted)}

/* Loading bar sweep */
@keyframes load-sweep{0%{background-position:200% center}100%{background-position:0% center}}
#loadBar{background:linear-gradient(90deg,var(--red),var(--sun),var(--red));background-size:200%;animation:load-sweep 1.8s linear infinite;transition:width .25s ease-out}

/* Panel scrollbar */
.panel::-webkit-scrollbar{width:4px}.panel::-webkit-scrollbar-track{background:transparent}.panel::-webkit-scrollbar-thumb{background:rgba(255,240,208,.2);border-radius:2px}

@media(prefers-reduced-motion:reduce){.primary,.track-card.has-audio,.mark i,#loadBar,#scoreValue.bump,.rank-s #rankValue{animation:none!important}}