:root{--bg: #070b14;--panel: #141b2b;--panel-2: #1f2942;--text: #e8ecf4;--muted: #93a0b4;--accent: #7dd3fc;--gold: #fcd34d;--danger: #fb7185;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:10px;-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,.hud-actions{display:flex;gap:8px}.hud-stats{flex-wrap:wrap}.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}.stat-keys .stat-value{color:var(--gold)}.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:disabled{opacity:.4;cursor:default}.btn-glyph{display:none;font-size:16px;line-height:1}.btn-icon{padding:0 10px;font-size:17px}.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-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}.timer{display:flex;align-items:center;gap:10px}.timer-track{flex:1;height:8px;border-radius:999px;background:var(--panel);overflow:hidden}.timer-fill{height:100%;border-radius:999px;background:var(--accent);transform-origin:left center;transition:background-color .25s ease}[dir=rtl] .timer-fill{transform-origin:right center}.timer-value{min-width:3ch;text-align:end;font-size:16px;font-weight:700;font-variant-numeric:tabular-nums;color:var(--muted)}.timer[data-band=low] .timer-fill{background:var(--gold)}.timer[data-band=low] .timer-value{color:var(--gold)}.timer[data-band=critical] .timer-fill{background:var(--danger)}.timer[data-band=critical] .timer-value{color:var(--danger);animation:pulse 1s steps(2,jump-none) infinite}@keyframes pulse{0%{opacity:1}to{opacity:.45}}@media(prefers-reduced-motion:reduce){.timer[data-band=critical] .timer-value{animation: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;bottom:8%;display:flex;justify-content:center;padding-inline:16px;text-align:center;pointer-events:none}.banner[hidden]{display:none}.banner-title{padding:6px 14px;border-radius:999px;background:#070b14c7;font-size:clamp(14px,3.6vw,22px);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:#070b14c7;-webkit-backdrop-filter:blur(3px);backdrop-filter:blur(3px)}.overlay[hidden]{display:none}.overlay-title{margin:0;font-size:clamp(22px,6vw,42px)}.overlay-score{margin:0;font-size:16px;font-weight:600}.overlay-hint{margin:0;color:var(--muted);max-width:42ch}.overlay-hint[hidden]{display:none}@media(max-width:560px){.btn-text{display:none}.btn-glyph{display:inline-flex;align-items:center}.btn{padding:0 12px}.btn-primary .btn-text,.btn-primary{display:inline-flex;padding:0 24px}.stat{padding:8px 10px;gap:6px}.stat-label{font-size:11px}}@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:6px}.stat{min-height:38px;padding:6px 10px}.stat-value{font-size:16px}.overlay{gap:10px;padding:12px}.overlay-title{font-size:clamp(18px,5vw,30px)}.overlay-hint{font-size:13px}}@media(max-width:380px){.stat-score,.stat-label,#restart-btn{display:none}.hud,.hud-stats,.hud-actions{gap:6px}.stat{padding:6px 10px}.timer-value{font-size:15px}}@media(max-width:300px){.stat-level{display:none}}@media(max-width:300px),(max-height:260px){.overlay-hint{display:none}}