:root{
  --osai-red:#DC2626;
  --ink:#0F0F0F;
  --accent:#FFD36E;
  --safe-t:env(safe-area-inset-top,0px);
  --safe-b:env(safe-area-inset-bottom,0px);
  --safe-l:env(safe-area-inset-left,0px);
  --safe-r:env(safe-area-inset-right,0px);
}
*{box-sizing:border-box;margin:0;padding:0;-webkit-tap-highlight-color:transparent}
html,body{height:100%;overflow:hidden;background:#07060d;color:#fff;
  font-family:system-ui,-apple-system,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  -webkit-user-select:none;user-select:none;touch-action:none;overscroll-behavior:none}
#stage{position:fixed;inset:0;overflow:hidden}
canvas#c{position:absolute;inset:0;width:100%;height:100%;display:block}
.hidden{display:none!important}

/* ---------- HUD ---------- */
#hud{position:absolute;inset:0;pointer-events:none;z-index:10}
#hud-top{position:absolute;top:calc(var(--safe-t) + 10px);left:0;right:0;text-align:center;line-height:1}
#score{font-size:clamp(34px,9vw,66px);font-weight:900;font-style:italic;letter-spacing:-.02em;
  color:#fff;text-shadow:0 3px 0 rgba(10,6,24,.85),0 0 22px rgba(255,211,110,.35);
  font-variant-numeric:tabular-nums}
#combo{margin-top:2px;font-size:clamp(22px,6vw,40px);font-weight:900;font-style:italic;color:var(--accent);
  text-shadow:0 2px 0 rgba(10,6,24,.85),0 0 18px rgba(255,211,110,.55);transition:transform .12s ease-out;
  font-variant-numeric:tabular-nums}
#combo.pop{transform:scale(1.35)}
#hud-zone{position:absolute;top:38%;left:0;right:0;text-align:center;font-size:clamp(20px,5.4vw,34px);
  font-weight:900;font-style:italic;letter-spacing:.16em;opacity:0;transition:opacity .3s}
#hud-zone.show{opacity:1}
#tricktext{position:absolute;top:26%;left:0;right:0;text-align:center;font-size:clamp(19px,5vw,32px);
  font-weight:900;font-style:italic;color:#fff;text-shadow:0 3px 0 rgba(10,6,24,.9);pointer-events:none}
#tricktext .tt{display:block;animation:ttpop .62s ease-out forwards}
@keyframes ttpop{0%{transform:scale(.5) rotate(-5deg);opacity:0}
  22%{transform:scale(1.12) rotate(-2deg);opacity:1}
  60%{transform:scale(1) rotate(0);opacity:1}
  100%{transform:scale(1) translateY(-18px);opacity:0}}

#genki-wrap{position:absolute;left:calc(var(--safe-l) + 14px);bottom:calc(var(--safe-b) + 18px);width:120px}
#genki-arc{height:12px;border-radius:8px;background:rgba(255,255,255,.14);overflow:hidden;
  border:1.5px solid rgba(255,255,255,.28)}
#genki-fill{height:100%;width:0%;border-radius:8px;background:linear-gradient(90deg,#FF7EB3,var(--accent));
  transition:width .12s linear}
#genki-wrap.full #genki-fill{animation:glowpulse .7s ease-in-out infinite alternate}
@keyframes glowpulse{from{box-shadow:0 0 0 rgba(255,211,110,0)}to{box-shadow:0 0 16px rgba(255,211,110,.95)}}
#genki-wrap.tick #genki-arc{animation:gtick .16s ease-out}
@keyframes gtick{0%{transform:scaleY(1)}45%{transform:scaleY(1.5);filter:brightness(1.7)}100%{transform:scaleY(1)}}
#genki-label{font-size:10px;letter-spacing:.22em;opacity:.75;margin-top:4px;font-weight:700}

#btn-burst{position:absolute;right:calc(var(--safe-r) + 16px);bottom:calc(var(--safe-b) + 16px);
  width:76px;height:76px;border-radius:50%;border:2px solid rgba(255,255,255,.35);
  background:rgba(255,255,255,.09);color:#fff;font-size:30px;pointer-events:auto;
  display:grid;place-items:center;backdrop-filter:blur(4px)}
#btn-burst.ready{border-color:var(--accent);background:rgba(255,211,110,.22);
  animation:glowpulse .7s ease-in-out infinite alternate}
#btn-burst:disabled{opacity:.45}
body:not(.touch) .touch-only{display:none}

#btn-sound{position:absolute;top:calc(var(--safe-t) + 8px);right:calc(var(--safe-r) + 10px);
  width:44px;height:44px;border-radius:50%;border:1.5px solid rgba(255,255,255,.25);
  background:rgba(0,0,0,.28);color:#fff;font-size:19px;pointer-events:auto;z-index:11;
  display:grid;place-items:center}
#btn-sound.off{opacity:.42;text-decoration:line-through}
#btn-motion.on{opacity:1;color:var(--accent)}

#hint{position:absolute;left:0;right:0;bottom:calc(var(--safe-b) + 108px);text-align:center;
  font-size:14px;font-weight:700;opacity:0;transition:opacity .35s;text-shadow:0 2px 6px rgba(0,0,0,.8)}
#hint.show{opacity:.92}

/* ---------- Screens ---------- */
.screen{position:absolute;inset:0;z-index:20;display:flex;flex-direction:column;align-items:center;
  justify-content:center;gap:12px;padding:calc(var(--safe-t) + 18px) 18px calc(var(--safe-b) + 18px);
  background:radial-gradient(120% 90% at 50% 40%,rgba(20,10,40,.45),rgba(7,6,13,.9))}
.presents{display:flex;align-items:center;gap:9px;opacity:.9;font-size:13px;letter-spacing:.18em;
  text-transform:uppercase;font-weight:700}
.brandmark{width:26px;height:26px;object-fit:contain}
.brandmark.sm{width:20px;height:20px}
.game-title{font-size:clamp(42px,13vw,96px);font-weight:900;font-style:italic;line-height:.92;
  letter-spacing:-.03em;text-align:center;
  text-shadow:0 5px 0 rgba(220,38,38,.55),0 0 40px rgba(255,126,179,.4)}
.game-title span{display:block;color:var(--accent)}
.tagline{font-size:14px;opacity:.8;text-align:center;max-width:26ch;line-height:1.45}
.cta{margin-top:8px;min-height:56px;min-width:190px;padding:0 28px;border:0;border-radius:999px;
  background:linear-gradient(180deg,#fff,#ffe9c2);color:#12101A;font-size:19px;font-weight:900;
  letter-spacing:.14em;font-style:italic;box-shadow:0 8px 0 rgba(220,38,38,.75),0 12px 30px rgba(0,0,0,.5);
  cursor:pointer;transition:transform .08s}
.cta:active{transform:translateY(4px);box-shadow:0 4px 0 rgba(220,38,38,.75)}
.hiscore-line{font-size:13px;opacity:.75;letter-spacing:.06em}
.title-foot{position:absolute;bottom:calc(var(--safe-b) + 12px);display:flex;gap:16px;align-items:center}
.linkish{background:none;border:0;color:#fff;opacity:.55;font-size:12px;text-decoration:none;
  cursor:pointer;padding:8px;min-height:34px}
.linkish:hover{opacity:1}

.go-card{width:min(94vw,420px);background:rgba(12,10,22,.92);border:1px solid rgba(255,255,255,.14);
  border-radius:22px;padding:22px 20px;text-align:center;box-shadow:0 30px 80px rgba(0,0,0,.6)}
.go-head{display:flex;align-items:center;justify-content:center;gap:8px;font-size:11px;letter-spacing:.24em;
  opacity:.7;font-weight:800}
.go-score{font-size:clamp(46px,14vw,76px);font-weight:900;font-style:italic;line-height:1.05;
  color:var(--accent);font-variant-numeric:tabular-nums}
.go-sub{font-size:13px;opacity:.75;margin-bottom:10px}
.go-stats{display:flex;flex-wrap:wrap;gap:8px;justify-content:center;margin-bottom:16px;font-size:12px}
.go-stats span{background:rgba(255,255,255,.08);border-radius:999px;padding:6px 12px}
.go-brand{display:block;margin-top:14px;font-size:11px;letter-spacing:.14em;opacity:.5;color:#fff;
  text-decoration:none}

/* ---------- Debug ---------- */
#debug{position:absolute;top:calc(var(--safe-t) + 6px);left:calc(var(--safe-l) + 6px);z-index:40;
  font:11px/1.45 ui-monospace,SFMono-Regular,Menlo,monospace;background:rgba(0,0,0,.62);
  padding:7px 9px;border-radius:8px;white-space:pre;pointer-events:none;color:#8affc1}

@media (orientation:landscape) and (max-height:520px){
  #score{font-size:clamp(26px,5.6vh,44px)}
  #combo{font-size:clamp(18px,4vh,30px)}
  .game-title{font-size:clamp(34px,11vh,70px)}
  #btn-burst{width:64px;height:64px;font-size:25px}
}

/* ---------- Ganzflächige Effekte ---------- */
#flash{position:absolute;inset:0;background:#fff;opacity:0;pointer-events:none;z-index:15;
  mix-blend-mode:screen;transition:opacity .05s linear}
#vignette{position:absolute;inset:0;pointer-events:none;z-index:12;
  background:radial-gradient(120% 85% at 50% 45%,rgba(0,0,0,0) 45%,rgba(6,4,12,.55) 100%)}
#speedlines{position:absolute;inset:-12%;pointer-events:none;z-index:13;opacity:0;
  transition:opacity .18s ease-out;
  background:repeating-conic-gradient(from 0deg at 50% 52%,
    rgba(255,255,255,.5) 0deg .3deg, rgba(255,255,255,0) .3deg 4.8deg);
  -webkit-mask-image:radial-gradient(circle at 50% 52%,transparent 27%,#000 74%);
  mask-image:radial-gradient(circle at 50% 52%,transparent 27%,#000 74%);
  animation:slspin 7s linear infinite}
@keyframes slspin{to{transform:rotate(6deg)}}
@media (prefers-reduced-motion: reduce){
  #speedlines{animation:none}
  #flash{transition:opacity .25s linear}
}