:root{
  --primary:#DC2626; --secondary:#2563EB; --accent:#22C55E;
  --bg:#0F172A; --bg2:#111a30; --fg:#FFFFFF; --muted:#1F1829;
  --sand:#E6C48A; --sand2:#C79A55;
  --border:rgba(255,255,255,.10); --glass:rgba(255,255,255,.05);
  --font-ar:'Cairo',system-ui,'Segoe UI',sans-serif;
  --font-num:'VT323',monospace;
  --r:16px; --sh:0 18px 40px rgba(0,0,0,.45);
}
*{box-sizing:border-box;margin:0;padding:0}
html,body{height:100%}
body{
  background:var(--bg); color:var(--fg); font-family:var(--font-ar);
  overflow:hidden; -webkit-user-select:none; user-select:none;
  -webkit-tap-highlight-color:transparent;
}
#app{position:fixed;inset:0;overflow:hidden}
#game{display:block;width:100%;height:100%;background:#0b1222;touch-action:none}
.hidden{display:none !important}
.num,#kmh,#score,#bestFree,#bestRush,.combo{font-family:var(--font-num);letter-spacing:1px}

.panel{
  background:var(--glass); border:1px solid var(--border); border-radius:var(--r);
  backdrop-filter:blur(12px); -webkit-backdrop-filter:blur(12px);
  box-shadow:0 8px 24px rgba(0,0,0,.28); padding:10px 14px;
}
.hud-row{position:absolute;left:0;right:0;display:flex;gap:12px;align-items:flex-start;padding:14px;pointer-events:none}
.hud-row.top{top:0;justify-content:space-between}
.hud-row.bottom{bottom:0;align-items:flex-end;justify-content:space-between}
.hud-row .panel{pointer-events:auto}
.speed{min-width:132px}
.speed .num{font-size:44px;line-height:.95;color:#fff;display:flex;align-items:baseline;gap:6px}
.speed .num em{font-family:var(--font-ar);font-size:12px;font-style:normal;color:#9fb0d0;font-weight:600}
.speed .sub{font-size:12px;color:#93a4c4;margin-top:2px}
.score{text-align:center;min-width:170px}
.score .label{font-size:12px;color:#93a4c4;font-weight:600}
.score-num{font-size:38px;color:var(--accent);line-height:1;text-shadow:0 0 18px rgba(34,197,94,.45)}
.combo{font-size:18px;color:var(--sand);margin-top:2px;transition:transform .2s}
.combo.hot{color:#FF4D4D;transform:scale(1.12)}
.tools{display:flex;gap:8px;pointer-events:auto}
.icon-btn{
  width:44px;height:44px;border-radius:14px;border:1px solid var(--border);
  background:var(--glass);color:#fff;backdrop-filter:blur(12px);cursor:pointer;
  display:grid;place-items:center;transition:transform .18s,background .18s;
}
.icon-btn:hover{transform:translateY(-2px);background:rgba(255,255,255,.12)}
.icon-btn svg{width:20px;height:20px;stroke-width:1.75}
.weight,.driftbox{min-width:210px}
.mini{font-size:11px;color:#93a4c4;font-weight:700;margin-bottom:6px}
.wbar{position:relative;height:12px;border-radius:8px;background:#221c33;border:1px solid var(--border);overflow:hidden}
.wfront{position:absolute;left:0;top:0;bottom:0;width:50%;background:linear-gradient(90deg,#2563EB,#60A5FA);transition:width .08s linear}
.wmark{position:absolute;top:-3px;bottom:-3px;width:2px;background:var(--sand);box-shadow:0 0 8px var(--sand)}
.wl{display:flex;justify-content:space-between;font-size:11px;color:#93a4c4;margin-top:5px}
.wl b{color:#fff}
.wl .off{display:none}
.dbar{height:12px;border-radius:8px;background:#221c33;border:1px solid var(--border);overflow:hidden}
#dfill{height:100%;width:0%;background:linear-gradient(90deg,#22C55E,#FACC15,#DC2626);transition:width .06s linear}
.dbar.good{box-shadow:0 0 16px rgba(250,204,21,.6)}
#toasts{position:absolute;top:22%;left:50%;transform:translateX(-50%);display:flex;flex-direction:column;gap:8px;align-items:center;pointer-events:none}
.toast{
  font-weight:900;font-size:22px;padding:8px 20px;border-radius:999px;
  background:rgba(15,23,42,.75);border:1px solid var(--border);backdrop-filter:blur(8px);
  animation:pop .5s ease-out forwards;white-space:nowrap;
}
.toast.big{font-size:30px;color:var(--sand);text-shadow:0 0 20px rgba(230,196,138,.6)}
.toast.good{color:var(--accent)} .toast.bad{color:#FF6B6B}
@keyframes pop{0%{opacity:0;transform:scale(.7) translateY(14px)}18%{opacity:1;transform:scale(1.06)}100%{opacity:0;transform:scale(1) translateY(-26px)}}
.touch{position:absolute;inset:auto 0 0 0;display:flex;justify-content:space-between;align-items:flex-end;padding:16px;pointer-events:none}
.stick{width:132px;height:132px;border-radius:50%;border:2px solid var(--border);background:rgba(255,255,255,.06);position:relative;pointer-events:auto}
.knob{position:absolute;width:56px;height:56px;border-radius:50%;background:rgba(255,255,255,.22);border:1px solid var(--border);left:50%;top:50%;transform:translate(-50%,-50%)}
.pads{display:flex;gap:12px;align-items:flex-end;pointer-events:auto}
.tbtn{
  width:82px;height:82px;border-radius:22px;border:1px solid var(--border);background:var(--glass);
  color:#fff;display:grid;place-items:center;gap:2px;font-family:var(--font-ar);font-weight:800;font-size:13px;
  backdrop-filter:blur(10px);cursor:pointer;transition:transform .12s,background .12s;
}
.tbtn svg{width:22px;height:22px}
.tbtn:active{transform:scale(.94);background:rgba(255,255,255,.2)}
.tbtn.danger{background:rgba(220,38,38,.22);border-color:rgba(220,38,38,.5)}
.overlay{
  position:fixed;inset:0;display:grid;place-items:center;padding:18px;z-index:20;
  background:radial-gradient(120% 90% at 50% 0%,rgba(37,99,235,.22),transparent 60%),rgba(8,12,22,.86);
  backdrop-filter:blur(6px);overflow-y:auto;
}
.card{
  width:min(720px,100%);background:linear-gradient(180deg,rgba(255,255,255,.07),rgba(255,255,255,.03));
  border:1px solid var(--border);border-radius:24px;padding:24px;box-shadow:var(--sh);
  animation:rise .45s ease-out both;position:relative;
}
.card.small{width:min(460px,100%);text-align:center}
.card h2{font-size:26px;font-weight:900;margin-bottom:8px}
@keyframes rise{from{opacity:0;transform:translateY(22px)}to{opacity:1;transform:none}}
.brand{display:flex;align-items:center;gap:14px;margin-bottom:18px}
.brand-badge{
  width:56px;height:56px;border-radius:18px;display:grid;place-items:center;flex:none;
  background:linear-gradient(135deg,var(--primary),#7f1d1d);box-shadow:0 10px 24px rgba(220,38,38,.35);
}
.brand-badge svg{width:28px;height:28px;color:#fff}
h1{font-size:clamp(24px,5vw,38px);font-weight:900;line-height:1.1;letter-spacing:-.5px}
.tagline{color:#9fb0d0;font-size:14px;margin-top:4px}
.sec{margin-bottom:16px}
.sec-title{display:flex;align-items:center;gap:8px;font-weight:800;font-size:15px;color:#dbe6f8;margin-bottom:10px}
.sec-title svg{width:18px;height:18px;color:var(--sand)}
.sec-title span{color:var(--sand);font-size:13px}
.cars{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}
.car-opt{
  border:1px solid var(--border);background:rgba(255,255,255,.04);border-radius:16px;padding:12px;
  cursor:pointer;text-align:right;color:#fff;font-family:var(--font-ar);transition:transform .18s,border-color .18s,background .18s;
}
.car-opt:hover{transform:translateY(-3px);background:rgba(255,255,255,.09)}
.car-opt.active{border-color:var(--primary);background:rgba(220,38,38,.14);box-shadow:0 0 0 1px var(--primary) inset}
.car-opt b{display:block;font-size:15px;margin-bottom:2px}
.car-opt small{color:#9fb0d0;font-size:11px;display:block;line-height:1.5}
.car-opt .bar{height:5px;border-radius:4px;background:#221c33;margin-top:6px;overflow:hidden}
.car-opt .bar i{display:block;height:100%;background:var(--sand)}
.modes{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.mode{
  border:1px solid var(--border);background:rgba(255,255,255,.04);border-radius:16px;padding:12px 14px;
  cursor:pointer;text-align:right;color:#fff;font-family:var(--font-ar);transition:transform .18s,border-color .18s,background .18s;
}
.mode:hover{transform:translateY(-3px);background:rgba(255,255,255,.09)}
.mode.active{border-color:var(--secondary);background:rgba(37,99,235,.16)}
.mode b{display:block;font-size:15px;margin-bottom:3px}
.mode span{color:#9fb0d0;font-size:11.5px;line-height:1.6;display:block}
.tune input[type=range]{width:100%;accent-color:var(--primary);height:26px;cursor:pointer}
.hint{font-size:12px;color:#9fb0d0;margin-top:2px}
.cta{
  width:100%;padding:15px;border:0;border-radius:16px;cursor:pointer;font-family:var(--font-ar);font-weight:900;font-size:17px;
  color:#fff;background:linear-gradient(135deg,var(--primary),#991b1b);display:flex;align-items:center;justify-content:center;gap:10px;
  box-shadow:0 12px 28px rgba(220,38,38,.32);transition:transform .18s,filter .18s;
}
.cta:hover{transform:translateY(-2px);filter:brightness(1.08)}
.cta svg{width:20px;height:20px}
.ghost{
  padding:12px 16px;border-radius:14px;border:1px solid var(--border);background:rgba(255,255,255,.05);
  color:#fff;font-family:var(--font-ar);font-weight:800;cursor:pointer;display:flex;align-items:center;gap:8px;justify-content:center;
  transition:transform .18s,background .18s;
}
.ghost:hover{transform:translateY(-2px);background:rgba(255,255,255,.12)}
.ghost svg{width:18px;height:18px}
.row{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-top:14px}
.row .cta,.row .ghost{width:100%}
.keys{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px;justify-content:center}
.keys span{font-size:11.5px;color:#9fb0d0;background:rgba(255,255,255,.05);border:1px solid var(--border);padding:5px 10px;border-radius:999px}
.keys b{color:var(--sand)}
.best{text-align:center;font-size:12.5px;color:#9fb0d0;margin-top:12px}
.best b{color:#fff;font-size:18px}
@media (max-width:760px){
  .cars{grid-template-columns:1fr}
  .modes,.row{grid-template-columns:1fr}
  .speed .num{font-size:34px}
  .score-num{font-size:28px}
  .weight,.driftbox{min-width:150px;padding:8px 10px}
  .mini{font-size:10px}
  .hud-row.bottom{padding-bottom:150px}
}
@media (max-width:400px){
  .weight{display:none}
}
@media (prefers-reduced-motion:reduce){*{animation-duration:.001s !important;transition-duration:.001s !important}}