:root{--bg: #080c16;--panel: #141b2b;--panel-2: #1f2942;--text: #e8ecf4;--muted: #93a0b4;--accent: #38bdf8;color-scheme:dark}*{box-sizing:border-box}html,body,#app{height:100%}body{margin:0;background:var(--bg);color:var(--text);font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif;-webkit-tap-highlight-color:transparent;overflow:hidden}.game{height:100%;max-width:900px;margin-inline:auto;padding:max(12px,env(safe-area-inset-top)) max(12px,env(safe-area-inset-right)) max(12px,env(safe-area-inset-bottom)) max(12px,env(safe-area-inset-left));display:flex;flex-direction:column;gap:12px;-webkit-touch-callout:none;-webkit-user-select:none;user-select:none}.hud{display:flex;align-items:center;justify-content:space-between;gap:8px;flex-wrap:wrap}.hud-stats{display:flex;flex-wrap:wrap;gap:8px}.stat{display:flex;align-items:baseline;gap:8px;min-height:44px;padding:10px 14px;border-radius:10px;background:var(--panel)}.stat-label{color:var(--muted);font-size:13px;letter-spacing:.04em;text-transform:uppercase}.stat-value{font-size:18px;font-weight:700;font-variant-numeric:tabular-nums}.pips{display:flex;align-items:center;gap:5px;min-width:10px}.pip{width:10px;height:10px;border-radius:50%;background:var(--accent);box-shadow:0 0 6px #38bdf899}.pip-spent{background:#94a3b84d;box-shadow:none}.hud-actions{display:flex;gap:8px}.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;min-height:44px;min-width:44px;padding:0 16px;border:0;border-radius:10px;background:var(--panel-2);color:var(--text);font:inherit;font-weight:600;cursor:pointer}.btn:active{transform:translateY(1px)}.btn-icon{display:none;font-size:16px;line-height:1}.icon-pause:before,.icon-pause:after{content:"";display:inline-block;width:3px;height:13px;border-radius:1px;background:currentColor}.icon-pause:after{margin-inline-start:4px}.btn.is-muted{visibility:hidden;pointer-events:none}.btn-primary{background:var(--accent);color:#062032;padding:0 28px;font-size:16px}.btn-ghost{background:transparent;color:var(--muted);font-weight:500;font-size:14px}.btn-ghost[hidden]{display:none}.board-wrap{position:relative;flex:1;min-height:0;touch-action:none;cursor:pointer}canvas{position:absolute;inset:0;width:100%;height:100%;display:block}.banner{position:absolute;inset-inline:0;top:30%;display:flex;justify-content:center;padding-inline:16px;text-align:center;pointer-events:none}.banner[hidden]{display:none}.banner-title{font-size:clamp(18px,4.5vw,30px);font-weight:700;color:var(--accent);text-shadow:0 2px 12px rgba(2,8,20,.9)}.overlay{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;padding:24px;text-align:center;border-radius:12px;background:#080c16bd;-webkit-backdrop-filter:blur(3px);backdrop-filter:blur(3px)}.overlay[hidden]{display:none}.overlay-title{margin:0;font-size:clamp(24px,6vw,44px)}.overlay-score{margin:0;font-size:18px;font-weight:600}.overlay-hint{margin:0;color:var(--muted);max-width:42ch}@media(max-width:520px){.stat-best,.stat-lives .stat-label{display:none}.stat{padding:8px 10px;gap:6px}.stat-label{font-size:11px}.btn-text{display:none}.btn-icon{display:inline-flex;align-items:center}.btn{padding:0 10px}.btn-primary .btn-text,.overlay-hint{display:block}.btn-primary{padding:0 24px}}@media(max-height:430px){.game{padding:max(8px,env(safe-area-inset-top)) max(8px,env(safe-area-inset-right)) max(8px,env(safe-area-inset-bottom)) max(8px,env(safe-area-inset-left));gap:8px}.stat{min-height:38px;padding:6px 10px}.stat-label{font-size:11px}.stat-value{font-size:16px}.btn{padding:0 12px}.overlay{gap:10px;padding:12px}.overlay-title{font-size:clamp(20px,5vw,32px)}.overlay-hint{font-size:13px}}@media(max-width:360px){.stat-wave,#restart-btn,.stat-label{display:none}.stat{padding:6px 10px}.hud,.hud-stats{gap:6px}}@media(max-width:300px),(max-height:260px){.overlay-hint{display:none}}