:root{--blue:#0066FF;--purple:#8C4FF4;--teal:#6FDFE2;--bg:#080d16;--panel:#101725;--line:#1d2942;--text:#EAEFF9;--muted:#7d88a6}
*{box-sizing:border-box;margin:0;padding:0}
html,body{height:100%}
body{background:radial-gradient(circle at 50% -10%,#132033 0%,var(--bg) 60%);color:var(--text);
  font-family:Poppins,'Segoe UI',Calibri,Arial,sans-serif;min-height:100vh;padding:14px;
  display:flex;align-items:center;justify-content:center;-webkit-tap-highlight-color:transparent;overflow-x:hidden}
.app{width:100%;max-width:1000px}
.bar{display:flex;align-items:center;gap:16px;margin-bottom:12px;flex-wrap:wrap}
.logo{font-weight:800;letter-spacing:.18em;font-size:1.05rem;
  background:linear-gradient(90deg,var(--teal),var(--blue),var(--purple));
  -webkit-background-clip:text;background-clip:text;color:transparent;white-space:nowrap}
.logo span{opacity:.55}
.keys{display:flex;gap:14px;flex-wrap:wrap;font-size:.68rem;color:var(--muted);letter-spacing:.04em;flex:1}
.keys b{color:var(--teal);font-weight:600}
.icon{background:var(--panel);border:1px solid var(--line);color:var(--text);width:38px;height:38px;
  border-radius:11px;font-size:1rem;cursor:pointer;transition:.15s}
.icon:hover{border-color:var(--blue)}
.stage{position:relative;border-radius:16px;overflow:hidden;background:#0b1f17;
  box-shadow:0 0 0 1px #223352,0 22px 60px rgba(0,0,0,.6);aspect-ratio:16/10}
#game{display:block;width:100%;height:100%}
.hud{position:absolute;top:12px;left:12px;right:12px;display:flex;gap:10px;align-items:flex-start;
  pointer-events:none;flex-wrap:wrap}
.gauge{background:rgba(10,16,28,.72);border:1px solid var(--line);border-radius:12px;padding:6px 14px;
  display:flex;align-items:baseline;gap:6px;backdrop-filter:blur(4px)}
.gauge span{font-size:1.75rem;font-weight:700;color:var(--teal);min-width:52px;text-align:right;
  font-variant-numeric:tabular-nums}
.gauge small{font-size:.6rem;letter-spacing:.14em;color:var(--muted);text-transform:uppercase}
.cel{background:rgba(10,16,28,.72);border:1px solid var(--line);border-radius:10px;padding:5px 11px;
  display:flex;flex-direction:column;line-height:1.15;backdrop-filter:blur(4px)}
.cel .k{font-size:.55rem;letter-spacing:.16em;color:var(--muted)}
.cel .v{font-size:.9rem;font-weight:600;font-variant-numeric:tabular-nums}
.mini{position:absolute;right:12px;bottom:12px;width:140px;height:140px;border-radius:12px;
  border:1px solid var(--line);background:rgba(8,14,24,.7)}
.overlay{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;
  gap:14px;text-align:center;padding:28px;background:rgba(6,11,20,.86);backdrop-filter:blur(7px);transition:opacity .2s}
.overlay.hide{opacity:0;pointer-events:none}
.overlay h1{font-size:clamp(1.7rem,4.4vw,2.6rem);font-weight:800;letter-spacing:.08em;
  background:linear-gradient(90deg,var(--teal),var(--blue),var(--purple));
  -webkit-background-clip:text;background-clip:text;color:transparent}
.overlay p{color:var(--muted);font-size:.85rem;max-width:430px;line-height:1.55}
.cta{border:none;cursor:pointer;padding:13px 40px;border-radius:999px;font-family:inherit;font-weight:700;
  font-size:1rem;letter-spacing:.06em;color:#fff;background:linear-gradient(90deg,var(--blue),var(--purple));
  box-shadow:0 10px 30px rgba(0,102,255,.42);transition:transform .12s}
.cta:active{transform:scale(.96)}
.legend{font-size:.66rem;color:#5d6784;letter-spacing:.05em}
.msg{position:absolute;left:50%;top:44%;transform:translate(-50%,-50%) scale(.9);opacity:0;
  font-size:1.5rem;font-weight:800;letter-spacing:.14em;color:var(--teal);pointer-events:none;
  text-shadow:0 0 24px rgba(111,223,226,.5);transition:.25s}
.msg.show{opacity:1;transform:translate(-50%,-50%) scale(1)}
.touch{display:none;justify-content:space-between;align-items:center;margin-top:14px;gap:12px}
.pad{display:flex;gap:10px;align-items:center}
.tbtn{background:var(--panel);border:1px solid var(--line);color:var(--text);border-radius:14px;
  font-family:inherit;font-size:1.1rem;font-weight:600;padding:0 20px;height:58px;cursor:pointer;transition:.1s}
.tbtn.small{font-size:.7rem;letter-spacing:.08em;color:var(--teal)}
.tbtn.gas{background:linear-gradient(90deg,var(--blue),var(--purple));border-color:transparent;color:#fff}
.tbtn.active{background:#243354;transform:scale(.96)}
@media (hover:none) and (pointer:coarse){.touch{display:flex}.keys{display:none}}
@media (max-width:720px){.mini{width:96px;height:96px}.gauge span{font-size:1.3rem;min-width:40px}}