:root{--bg:#08111f;--panel:rgba(15,23,42,.88);--line:rgba(255,255,255,.16);--text:#f8fafc;--accent:#facc15}
*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}
html,body{margin:0;min-height:100%;background:radial-gradient(circle at top,#1e1b4b,#020617 65%);color:var(--text);font-family:system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;overflow:hidden}
button{font:inherit;touch-action:manipulation}.app{width:100vw;height:100dvh}.screen{display:none;width:100%;height:100%;padding:clamp(12px,2.6vw,28px)}.screen.active{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:16px}.menu-screen{overflow:auto}
.logo{font-weight:1000;font-size:clamp(38px,9vw,84px);letter-spacing:-2px;text-align:center;text-shadow:0 0 28px #8b5cf6}.logo span{color:#facc15;display:block;font-size:.72em}.tagline{margin:0;text-align:center;opacity:.86;font-size:clamp(15px,2.5vw,21px)}.step-title{font-size:clamp(34px,7vw,68px);font-weight:1000;text-align:center;text-shadow:0 0 24px #8b5cf6}
.panel{width:min(940px,96vw);padding:16px;border:1px solid var(--line);border-radius:20px;background:var(--panel);backdrop-filter:blur(12px);box-shadow:0 18px 50px rgba(0,0,0,.35)}.panel h2{margin:0 0 12px;text-align:center}.choices{display:grid;grid-template-columns:repeat(4,1fr);gap:10px}.choice,.song-card,.background-card{border:2px solid transparent;background:#111827;color:#fff;border-radius:16px;padding:10px;display:flex;flex-direction:column;gap:5px;align-items:center;justify-content:center;min-height:102px}.choice.selected,.song-card.selected,.background-card.selected{border-color:#facc15;box-shadow:0 0 20px rgba(250,204,21,.45);transform:translateY(-2px)}.animal{font-size:clamp(34px,7vw,58px)}
.song-grid{width:min(1050px,96vw);display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:11px;overflow:auto;padding:3px}.song-card{min-height:90px;align-items:flex-start;text-align:left;padding:13px 15px}.song-card .song-top{width:100%;display:flex;align-items:center;gap:10px}.song-card .song-icon{font-size:30px}.song-card b{font-size:18px}.song-card small{opacity:.72;line-height:1.25}.song-card .difficulty{margin-left:auto;font-weight:900;color:#facc15;font-size:12px}
.background-grid{width:min(980px,96vw);display:grid;grid-template-columns:repeat(3,1fr);gap:12px}.background-card span{font-size:42px}.nav-row{width:min(980px,96vw);display:flex;gap:12px;justify-content:center}.primary,.secondary{border:0;border-radius:18px;padding:16px;font-weight:1000;font-size:22px}.primary{width:min(520px,90vw);color:#1f1300;background:linear-gradient(#fde047,#f59e0b);box-shadow:0 8px 0 #92400e,0 18px 35px rgba(245,158,11,.35)}.primary.compact{width:auto;flex:1}.primary:active{transform:translateY(5px);box-shadow:0 3px 0 #92400e}.secondary{background:#1e293b;color:#fff;border:1px solid var(--line);min-width:120px}
#game.active{justify-content:flex-start;padding:10px;gap:8px}.hud{width:min(1100px,100%);display:grid;grid-template-columns:auto minmax(130px,1.4fr) repeat(3,1fr) auto;gap:8px;align-items:center;background:#0f172a;border:1px solid var(--line);border-radius:14px;padding:8px 12px;text-align:center}.hud strong{color:#facc15}.now-playing{display:flex;flex-direction:column;line-height:1.05}.now-playing small{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.small-btn,.restart{border:1px solid var(--line);background:#1e293b;color:#fff;border-radius:10px;padding:9px 12px;font-weight:800}.stage{position:relative;width:min(1100px,100%);flex:1;min-height:0;overflow:hidden;border-radius:18px;border:2px solid rgba(255,255,255,.22);box-shadow:inset 0 0 60px rgba(0,0,0,.45),0 18px 50px rgba(0,0,0,.4)}
.bg-neon{background:radial-gradient(circle at 50% 20%,#7c3aed 0,#312e81 35%,#020617 78%)}.bg-jungle{background:linear-gradient(#082f49 0,#14532d 45%,#052e16 100%)}.bg-space{background:radial-gradient(circle at 30% 20%,#ec4899 0,#4c1d95 32%,#020617 78%)}.bg-beach{background:linear-gradient(#0ea5e9 0,#38bdf8 42%,#fde68a 74%,#f59e0b 100%)}.bg-country{background:linear-gradient(#7c3aed 0,#fb7185 42%,#fbbf24 67%,#365314 100%)}.bg-shadow{background:radial-gradient(circle at 50% 18%,#334155 0,#0f172a 42%,#020617 82%)}
.stars{position:absolute;inset:0;opacity:.5;background-image:radial-gradient(#fff 1px,transparent 1px);background-size:32px 32px}.lanes{position:absolute;inset:0;display:grid;grid-template-columns:repeat(4,1fr)}.lane{border-left:1px solid rgba(255,255,255,.12);border-right:1px solid rgba(255,255,255,.06);position:relative}.hit-line{position:absolute;left:0;right:0;bottom:16%;height:5px;background:linear-gradient(90deg,#22d3ee,#a78bfa,#f472b6,#facc15);box-shadow:0 0 20px #fff}.targets{position:absolute;left:0;right:0;bottom:2%;display:grid;grid-template-columns:repeat(4,1fr);gap:1.5%;padding:0 2%}.target{aspect-ratio:2.3/1;border-radius:999px;border:2px solid rgba(255,255,255,.6);color:#fff;font-size:clamp(18px,4vw,34px);font-weight:1000;background:rgba(15,23,42,.8);box-shadow:0 0 18px rgba(255,255,255,.15)}.target.active{transform:scale(.92);background:#fff;color:#111827;box-shadow:0 0 35px #fff}.note{position:absolute;width:clamp(42px,7vw,70px);aspect-ratio:1;left:50%;transform:translateX(-50%);border-radius:50%;display:grid;place-items:center;font-weight:1000;font-size:20px;color:#111827;border:4px solid rgba(255,255,255,.8);box-shadow:0 0 26px currentColor;will-change:top}.note.l0{background:#22d3ee;color:#083344}.note.l1{background:#a78bfa;color:#2e1065}.note.l2{background:#f472b6;color:#500724}.note.l3{background:#facc15;color:#422006}.avatar{position:absolute;z-index:4;left:50%;bottom:19%;transform:translateX(-50%);font-size:clamp(52px,9vw,94px);filter:drop-shadow(0 12px 8px rgba(0,0,0,.45));transition:transform .12s;pointer-events:none}.avatar.jump{transform:translate(-50%,-34px) scale(1.12) rotate(-6deg)}.message{position:absolute;z-index:5;left:50%;top:38%;transform:translate(-50%,-50%);font-size:clamp(28px,7vw,70px);font-weight:1000;text-shadow:0 4px 20px #000;opacity:0;transition:.2s;pointer-events:none}.message.show{opacity:1;transform:translate(-50%,-60%)}.restart{width:min(1100px,100%);padding:12px}
@media(max-width:680px){.screen{padding:10px}.choices{grid-template-columns:repeat(2,1fr)}.song-grid{grid-template-columns:1fr}.background-grid{grid-template-columns:repeat(2,1fr)}.panel{padding:12px}.logo{font-size:42px}.hud{font-size:12px;grid-template-columns:auto minmax(90px,1.2fr) repeat(3,1fr) auto;padding:6px}.small-btn{padding:7px}.nav-row{position:sticky;bottom:0;background:rgba(2,6,23,.9);padding:8px 0}.primary,.secondary{font-size:17px;padding:13px}.song-card{min-height:76px}}
.audio-controls{display:flex;gap:16px;align-items:center;justify-content:center;padding:8px 12px;background:rgba(8,12,28,.92);color:#fff;font-size:13px;flex-wrap:wrap}.audio-controls label{display:flex;align-items:center;gap:7px}.audio-controls input{width:110px}.hud{flex-wrap:wrap}.small-btn{white-space:nowrap}