:root{
  --bg:#070b14;
  --bg-2:#0f172a;
  --muted:#1f1829;
  --fg:#ffffff;
  --fg-dim:#9aa7bd;
  --primary:#dc2626;
  --secondary:#2563eb;
  --accent:#22c55e;
  --gold:#facc15;
  --cyan:#22d3ee;
  --border:rgba(255,255,255,.08);
  --glass:rgba(15,23,42,.72);
  --glow-red:0 0 14px rgba(220,38,38,.65);
  --glow-blue:0 0 14px rgba(37,99,235,.6);
  --glow-cyan:0 0 14px rgba(34,211,238,.6);
  --glow-green:0 0 14px rgba(34,197,94,.6);
  --radius:16px;
  --font-body:"Cairo",system-ui,-apple-system,"Segoe UI",sans-serif;
  --font-display:"Lalezar","Cairo",sans-serif;
  --font-num:"Press Start 2P",monospace;
}
*{box-sizing:border-box;margin:0;padding:0;-webkit-tap-highlight-color:transparent}
html,body{height:100%;overflow:hidden;background:var(--bg);color:var(--fg);font-family:var(--font-body)}
body{touch-action:none;overscroll-behavior:none}
#app{position:fixed;inset:0;display:block}
#game{position:absolute;inset:0;width:100%;height:100%;display:block;background:#05070d}
.num{font-family:var(--font-num);font-size:.72em;letter-spacing:.02em;direction:ltr;unicode-bidi:embed}
.crt{position:absolute;inset:0;pointer-events:none;z-index:5;
  background-image:repeating-linear-gradient(to bottom,rgba(0,0,0,.20) 0 1px,transparent 1px 3px);
  opacity:.55;mix-blend-mode:multiply}
.crt::after{content:"";position:absolute;inset:0;
  background:radial-gradient(ellipse at center,transparent 45%,rgba(0,0,0,.55) 100%)}
.ico{width:18px;height:18px;flex:0 0 auto}
.ico--gold{color:var(--gold)}
.ico--blue{color:#7fb0ff}
.ico--cyan{color:var(--cyan)}
.hidden{display:none!important}
.hud{position:absolute;inset:0;z-index:4;pointer-events:none;padding:calc(10px + env(safe-area-inset-top)) 12px 12px;
  display:flex;flex-direction:column;justify-content:space-between}
.hud__row{display:flex;gap:8px;align-items:center;flex-wrap:wrap}
.hud__row--bottom{margin-top:auto;align-items:flex-end}
.chip{display:flex;align-items:center;gap:6px;padding:6px 10px;border-radius:12px;
  background:var(--glass);border:1px solid var(--border);backdrop-filter:blur(8px);
  font-size:13px;font-weight:700;color:var(--fg-dim)}
.chip__value{color:#fff;font-size:12px}
.chip__unit{font-size:11px;color:var(--fg-dim)}
.chip--score{border-color:rgba(220,38,38,.4);box-shadow:var(--glow-red)}
.chip--score .chip__value{color:#ffe4e6}
.lives{display:flex;gap:5px}
.lives i,.lives span{width:14px;height:14px;border-radius:4px;display:block}
.life-on{background:var(--primary);box-shadow:var(--glow-red)}
.life-off{background:rgba(255,255,255,.12)}
.nitro{display:flex;align-items:center;gap:8px;padding:6px 10px;border-radius:12px;background:var(--glass);
  border:1px solid var(--border);backdrop-filter:blur(8px)}
.nitro__track{width:96px;height:8px;border-radius:99px;background:rgba(255,255,255,.12);overflow:hidden}
.nitro__fill{height:100%;width:100%;border-radius:99px;background:linear-gradient(90deg,var(--cyan),#7fb0ff);
  box-shadow:var(--glow-cyan);transition:width .12s linear}
.combo{font-family:var(--font-display);font-size:20px;color:var(--cyan);text-shadow:var(--glow-cyan);opacity:0;transition:opacity .2s}
.combo--on{opacity:1}
@media (max-width:420px){
  .chip{padding:5px 8px;font-size:12px}
  .nitro__track{width:64px}
}
.touch{position:absolute;inset:auto 0 calc(14px + env(safe-area-inset-bottom)) 0;z-index:6;
  display:flex;justify-content:space-between;padding:0 14px;pointer-events:none}
.tbtn{pointer-events:auto;width:58px;height:58px;border-radius:50%;display:grid;place-items:center;cursor:pointer;
  background:var(--glass);border:1px solid var(--border);color:#fff;backdrop-filter:blur(8px);
  transition:transform .18s ease,box-shadow .18s ease}
.tbtn:hover{transform:translateY(-2px)}
.tbtn:active{transform:scale(.94)}
.tbtn i{width:24px;height:24px}
.tbtn--nitro{border-color:rgba(34,211,238,.5);color:var(--cyan);box-shadow:var(--glow-cyan)}
.touch--off{display:none}
.overlay{position:absolute;inset:0;z-index:8;display:none;place-items:center;padding:18px;
  background:radial-gradient(ellipse at 50% 0%,rgba(37,99,235,.20),transparent 60%),rgba(5,7,13,.78);
  backdrop-filter:blur(6px);animation:fadeUp .28s ease both}
.overlay--on{display:grid}
.card{width:min(440px,100%);max-height:92vh;overflow:auto;padding:22px 20px;border-radius:var(--radius);
  background:var(--glass);border:1px solid var(--border);backdrop-filter:blur(12px);
  box-shadow:0 24px 60px rgba(0,0,0,.6);text-align:center}
.card h2{font-family:var(--font-display);font-size:30px;margin-bottom:14px;letter-spacing:.5px}
.card--menu{border-color:rgba(37,99,235,.35)}
.logo svg{width:100%;height:auto;filter:drop-shadow(0 0 16px rgba(37,99,235,.55))}
.tag{color:var(--fg-dim);font-size:14px;margin:2px 0 12px}
.best-line{font-size:14px;color:var(--fg-dim);margin-bottom:16px}
.best-line b{color:var(--gold);text-shadow:0 0 12px rgba(250,204,21,.5)}
@keyframes fadeUp{from{opacity:0;transform:translateY(12px)}to{opacity:1;transform:none}}
.btns{display:flex;flex-direction:column;gap:10px;margin-top:16px}
.btn{display:flex;align-items:center;justify-content:center;gap:8px;padding:13px 16px;border-radius:12px;cursor:pointer;
  font-family:var(--font-body);font-weight:700;font-size:16px;color:#fff;
  background:rgba(255,255,255,.06);border:1px solid var(--border);
  transition:transform .18s ease,box-shadow .18s ease,background .18s ease,filter .18s ease}
.btn:hover{transform:translateY(-2px);background:rgba(255,255,255,.11)}
.btn:focus-visible{outline:2px solid var(--cyan);outline-offset:2px}
.btn--primary{background:linear-gradient(135deg,var(--primary),var(--secondary));border-color:transparent;
  box-shadow:var(--glow-red),0 10px 24px rgba(0,0,0,.45)}
.btn--primary:hover{filter:brightness(1.1);box-shadow:var(--glow-blue),0 14px 28px rgba(0,0,0,.5)}
.btn--ghost{background:transparent;color:var(--fg-dim)}
.link{margin-top:14px;background:none;border:none;color:var(--fg-dim);cursor:pointer;display:inline-flex;
  align-items:center;gap:6px;font-family:var(--font-body);font-size:13px;text-decoration:underline}
.link:hover{color:#fff}
.keys{list-style:none;text-align:start;display:flex;flex-direction:column;gap:9px;font-size:15px}
.keys li{display:flex;gap:10px;align-items:center;padding:9px 11px;border-radius:11px;background:rgba(255,255,255,.05);
  border:1px solid var(--border)}
.keys kbd{font-family:var(--font-num);font-size:10px;padding:4px 7px;border-radius:7px;background:#0b1220;
  border:1px solid var(--border);color:#cbd5e1}
.keys i{width:18px;height:18px;color:var(--cyan)}
.hint{font-size:13px;color:var(--fg-dim);margin-top:12px}
.opt{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:11px 0;border-bottom:1px solid var(--border);font-size:15px}
.seg{display:flex;background:rgba(255,255,255,.05);border:1px solid var(--border);border-radius:10px;overflow:hidden}
.seg button{padding:8px 11px;border:none;background:none;color:var(--fg-dim);font-family:var(--font-body);
  font-size:13px;font-weight:700;cursor:pointer;transition:background .18s,color .18s}
.seg button:hover{color:#fff;background:rgba(255,255,255,.07)}
.seg button.on{background:linear-gradient(135deg,var(--secondary),var(--primary));color:#fff;box-shadow:var(--glow-blue)}
.stats{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin:6px 0 12px}
.stats div{padding:11px;border-radius:12px;background:rgba(255,255,255,.05);border:1px solid var(--border);
  display:flex;flex-direction:column;gap:5px}
.stats span{font-size:12px;color:var(--fg-dim)}
.stats b{font-size:14px;color:#fff}
.badge{font-family:var(--font-display);font-size:20px;color:var(--accent);text-shadow:var(--glow-green);min-height:26px}
.toast{position:absolute;top:calc(70px + env(safe-area-inset-top));left:50%;transform:translate(-50%,-14px);z-index:9;
  padding:10px 16px;border-radius:12px;background:var(--glass);border:1px solid rgba(34,197,94,.45);color:#dcfce7;
  font-size:14px;font-weight:700;opacity:0;pointer-events:none;transition:opacity .25s,transform .25s;max-width:88vw;text-align:center}
.toast--on{opacity:1;transform:translate(-50%,0)}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.01ms!important;transition-duration:.01ms!important}
  .crt{opacity:.35}
}
@media (max-height:520px){
  .card{padding:16px 14px}.card h2{font-size:24px}.logo svg{max-width:300px}
}