:root{
  --blue:#1688B4;--yellow:#E3BB32;--orange:#E17B46;--green:#77A56B;--coral:#D15B63;--violet:#8174B3;--gray:#8B929B;
  --bg:#0f1d27;--panel:#172a37;--panel2:#1e3646;--text:#eef3f6;--muted:#a9b8c2;
}
*{box-sizing:border-box;margin:0;padding:0}
html,body{height:100%;background:var(--bg);color:var(--text);font-family:system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;overscroll-behavior:none;-webkit-tap-highlight-color:transparent}
body{background:radial-gradient(120% 80% at 50% 0%,#18364a 0%,var(--bg) 60%)}
button{font:inherit;color:inherit;border:0;cursor:pointer}
.app{height:100dvh;display:flex;flex-direction:column;max-width:900px;margin:0 auto;padding:env(safe-area-inset-top) 8px env(safe-area-inset-bottom)}
.hud{display:flex;align-items:center;gap:8px;padding:8px 2px}
.brand{display:flex;align-items:center;gap:6px;font-weight:800;font-size:18px;color:var(--text);text-decoration:none}
.brand .logo{font-size:20px}
.stats{flex:1;display:flex;gap:6px;justify-content:center}
.stat{background:var(--panel);border:1px solid #ffffff12;border-radius:12px;padding:4px 9px;text-align:center;min-width:56px}
.stat .k{display:block;font-size:10px;color:var(--muted);text-transform:uppercase;letter-spacing:.04em}
.stat b{font-size:17px;font-variant-numeric:tabular-nums}
.crash-dots{display:flex;gap:4px;justify-content:center;padding:4px 0 3px}
.crash-dots i{width:11px;height:11px;border-radius:50%;background:#ffffff22;border:1px solid #ffffff30}
.crash-dots i.on{background:var(--coral);border-color:var(--coral);box-shadow:0 0 8px var(--coral)}
.hud-btns{display:flex;gap:6px}
.icon-btn{width:38px;height:38px;border-radius:12px;background:var(--panel);border:1px solid #ffffff14;font-size:17px}
.stage{position:relative;flex:1;min-height:0;display:flex;align-items:center;justify-content:center}
canvas{display:block;border-radius:18px;box-shadow:0 10px 40px #0008;touch-action:none;user-select:none;-webkit-user-select:none}
.bar{display:flex;align-items:center;gap:8px;padding:8px 2px 10px}
.mode{background:var(--blue);color:#fff;font-weight:700;font-size:12px;border-radius:999px;padding:4px 10px;white-space:nowrap}
.mode.practice{background:var(--yellow);color:#2a2203}
.hint{flex:1;font-size:13px;color:var(--muted);line-height:1.25}
.btn{border-radius:14px;padding:12px 16px;font-weight:700;background:var(--panel2);border:1px solid #ffffff18;transition:transform .08s}
.btn:active{transform:scale(.97)}
.btn.sm{padding:8px 12px;font-size:13px;border-radius:12px}
.btn.primary{background:var(--blue);border-color:var(--blue);color:#fff}
.btn.green{background:var(--green);border-color:var(--green);color:#fff}
.btn.yellow{background:var(--yellow);border-color:var(--yellow);color:#2a2203}
.btn.coral{background:var(--coral);border-color:var(--coral);color:#fff;white-space:nowrap}
.btn.ghost{background:transparent}
.overlay{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;background:#0b151ccc;backdrop-filter:blur(4px);-webkit-backdrop-filter:blur(4px);border-radius:18px;padding:14px;z-index:5}
.overlay[hidden],.coach[hidden],.toast[hidden]{display:none}
.card{background:linear-gradient(180deg,var(--panel2),var(--panel));border:1px solid #ffffff1a;border-radius:22px;padding:22px 20px;max-width:420px;width:100%;text-align:center;box-shadow:0 20px 50px #0009}
.card.small{max-width:340px}
.hero{font-size:44px;line-height:1}
.card h1{font-size:34px;margin:6px 0 4px;letter-spacing:-.02em;background:linear-gradient(90deg,var(--coral),var(--yellow),var(--green));-webkit-background-clip:text;background-clip:text;color:transparent}
.card h2{font-size:24px;margin:6px 0 8px}
.lead{color:var(--muted);font-size:15px;line-height:1.4;margin-bottom:12px}
.lead b{color:var(--text)}
.steps{list-style:none;text-align:left;display:grid;gap:6px;margin:4px 0 14px}
.steps li{display:flex;gap:10px;align-items:center;background:#ffffff0a;border-radius:12px;padding:8px 10px;font-size:14px}
.steps .n{width:24px;height:24px;border-radius:50%;display:grid;place-items:center;font-weight:800;font-size:13px;background:var(--violet);color:#fff;flex:none}
.steps li:nth-child(2) .n{background:var(--yellow);color:#2a2203}
.steps li:nth-child(3) .n{background:var(--green)}
.btns{display:grid;gap:8px}
.best{color:var(--yellow);font-weight:700;font-size:14px;margin-top:12px;min-height:1em}
.keys{color:var(--gray);font-size:11px;margin-top:8px}
.final{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;margin:6px 0 4px}
.final div{background:#ffffff0c;border-radius:12px;padding:8px}
.final span{display:block;font-size:11px;color:var(--muted);text-transform:uppercase}
.final b{font-size:22px}
.coach{position:absolute;left:10px;right:10px;top:10px;z-index:4;background:#172a37f2;border:2px solid var(--blue);border-radius:18px;padding:12px 14px;box-shadow:0 10px 30px #000a;max-width:520px;margin:0 auto}
.coach-step{font-size:11px;font-weight:800;color:var(--blue);text-transform:uppercase;letter-spacing:.06em}
.coach p{font-size:15px;line-height:1.4;margin:4px 0 10px}
.coach-btns{display:flex;gap:8px;justify-content:flex-end}
.toast{position:absolute;top:12px;left:50%;transform:translateX(-50%);background:var(--orange);color:#fff;font-weight:800;padding:7px 14px;border-radius:999px;font-size:14px;box-shadow:0 6px 20px #0007;z-index:3;white-space:nowrap}
@media (max-width:480px){
  .brand span:last-child{display:none}
  .stat{min-width:0;padding:4px 6px}
  .stat b{font-size:15px}
  .hint{font-size:12px}
}