:root{
  --bg:#0D1B2A;
  --bg-2:#1B2B3F;
  --ink:#EAF2FB;
  --muted:#8EA3BA;
  --orange:#F35B04;
  --orange-dark:#A63D00;
  --cyan:#4CC9F0;
  --paper:#FFFFFF;
  --paper-ink:#0D1B2A;
  --paper-muted:#5A6B80;
  --font:"Chakra Petch", "Segoe UI", system-ui, sans-serif;
  color-scheme:dark;
}
*{box-sizing:border-box}
html,body{background:var(--bg)}
body{margin:0;color:var(--ink);font:16px/1.4 var(--font);padding-inline:12px;padding-block:8px 10px;-webkit-tap-highlight-color:transparent;overscroll-behavior:none}
.app{max-width:620px;margin-inline:auto;height:calc(100vh - 18px);height:calc(100dvh - 18px);min-height:420px;display:grid;grid-template-rows:auto auto 1fr auto;gap:8px}

.bar{display:flex;align-items:center;justify-content:space-between;gap:10px;min-height:44px}
.back{color:var(--muted);text-decoration:none;font-weight:600;font-size:15px;white-space:nowrap}
.back:hover{color:var(--ink)}
.title{margin:0;font-weight:700;font-size:clamp(1.3rem,4vw,1.9rem);text-transform:uppercase;letter-spacing:.06em;white-space:nowrap}
.title span,h2 span{color:var(--orange)}
.bar-actions{display:flex;gap:8px}
.icon-btn{width:42px;height:42px;border-radius:10px;border:0;background:var(--bg-2);color:var(--ink);display:grid;place-items:center;cursor:pointer;padding:0}
.icon-btn span{display:grid;place-items:center}
.icon-btn span[hidden]{display:none}
.icon-btn svg{width:22px;height:22px}
:focus-visible{outline:3px solid var(--cyan);outline-offset:3px}
button{font:inherit;cursor:pointer}

.hud{display:grid;grid-template-columns:repeat(4,1fr);gap:6px}
.cell{background:var(--bg-2);border-radius:10px;padding:4px 10px;display:grid;line-height:1.15;min-width:0}
.cell span{font-size:11px;font-weight:600;letter-spacing:.1em;text-transform:uppercase;color:var(--muted)}
.cell b{font-size:1.3rem;font-weight:700;font-variant-numeric:tabular-nums;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}

.stage{position:relative;min-height:0;border-radius:14px;overflow:hidden;background:#08121D}
canvas{position:absolute;inset:0;width:100%;height:100%;display:block;touch-action:none;user-select:none;-webkit-user-select:none;cursor:none}
.toast{position:absolute;left:50%;top:42%;translate:-50% -50%;margin:0;padding:8px 22px;border-radius:999px;background:rgba(8,18,29,.85);
  font-weight:700;font-size:clamp(1.3rem,5vw,2rem);letter-spacing:.06em;text-transform:uppercase;white-space:nowrap;pointer-events:none;animation:pop .4s ease-out}
.toast[hidden]{display:none}
@keyframes pop{0%{scale:.4;opacity:0}60%{scale:1.1;opacity:1}100%{scale:1}}
.tip{margin:0;text-align:center;color:var(--muted);font-size:12.5px;font-weight:500}

.overlay{position:fixed;inset:0;z-index:20;display:grid;place-items:center;padding:16px;background:rgba(5,12,20,.8);overflow-y:auto}
.overlay[hidden]{display:none}
.sheet{width:100%;max-width:460px;background:var(--paper);color:var(--paper-ink);border-radius:18px;padding:20px 22px;display:grid;gap:12px;box-shadow:0 20px 50px rgba(0,0,0,.5)}
.sheet.center{text-align:center;justify-items:center;max-width:380px}
h2{margin:0;text-align:center;font-weight:700;font-size:2rem;text-transform:uppercase;letter-spacing:.06em}
.help{margin:0;font-size:14px;color:var(--paper-muted);line-height:1.5}
.help b{color:var(--paper-ink)}
.help.small{font-size:13px;text-align:center}
.caps{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:1fr 1fr;gap:6px 12px;font-size:14px;font-weight:600}
.caps li{display:flex;align-items:center;gap:8px}
.caps i{font-style:normal;width:30px;height:18px;border-radius:9px;color:#fff;font-size:12px;font-weight:700;display:grid;place-items:center;flex:none}
.lbl{margin:4px 0 0;font-size:12px;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:var(--paper-muted)}
.levels{display:grid;grid-template-columns:repeat(4,1fr);gap:8px}
.levels button{border:0;border-radius:10px;padding:10px 0;background:var(--orange);color:#fff;font-weight:700;font-size:1.2rem;box-shadow:0 4px 0 var(--orange-dark)}
.levels button:active{translate:0 3px;box-shadow:0 1px 0 var(--orange-dark)}
.levels button:disabled{background:#E3E8EE;color:#A6B1BD;box-shadow:none;cursor:default}
.big-title{margin:0;font-weight:700;font-size:1.9rem;text-transform:uppercase;letter-spacing:.05em}
.results{display:grid;grid-template-columns:1fr 1fr;gap:10px;width:100%}
.results div{background:#EEF2F6;border-radius:12px;padding:8px;display:grid}
.results span{font-size:11px;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:var(--paper-muted)}
.results b{font-size:1.8rem;font-variant-numeric:tabular-nums}
.lead{margin:0;color:var(--paper-muted);font-weight:600}
.row{display:flex;gap:10px;justify-content:center;flex-wrap:wrap}
.btn{border:0;border-radius:10px;padding:10px 20px;background:#E3E8EE;color:var(--paper-ink);font-weight:700;box-shadow:0 4px 0 #C2CBD6}
.btn.primary{background:var(--orange);color:#fff;box-shadow:0 4px 0 var(--orange-dark)}
.btn:active{translate:0 3px;box-shadow:none}

@media (max-width:640px){
  .back-tx{display:none}
  .back{font-size:20px}
}
@media (prefers-reduced-motion:reduce){ .toast{animation:none} }
#lives{color:#F15BB5;letter-spacing:1px}