:root{--bg: #04070e;--panel: #131e33;--panel-2: #1e2d4a;--text: #e8ecf4;--muted: #93a0b4;--accent: #fbbf24;--good: #4ade80;--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:1280px;margin-inline:auto;padding:max(10px,env(safe-area-inset-top)) max(10px,env(safe-area-inset-right)) max(10px,env(safe-area-inset-bottom)) max(10px,env(safe-area-inset-left));display:flex;flex-direction:column;gap:8px;-webkit-touch-callout:none;-webkit-user-select:none;user-select:none}.hud{display:flex;align-items:center;justify-content:space-between;gap:8px}.hud-stats{display:flex;gap:8px;min-width:0}.hud-actions{display:flex;gap:8px;flex:none}.stat{display:flex;align-items:baseline;gap:8px;min-width:0;min-height:44px;padding:10px 14px;border-radius:10px;background:var(--panel)}.stat[hidden]{display:none}.stat-label{color:var(--muted);font-size:13px;letter-spacing:.04em;text-transform:uppercase;white-space:nowrap}.stat-value{font-size:18px;font-weight:700;font-variant-numeric:tabular-nums}.stat-best .stat-value{color:var(--accent)}.stat-zone .stat-value{color:var(--good)}.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:#451a03;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;border-radius:12px;overflow:hidden;touch-action:none;cursor:pointer}.board-wrap:after{content:"";position:absolute;inset:0;border-radius:12px;box-shadow:inset 0 0 0 1px #94a3b829;pointer-events:none}canvas{position:absolute;inset:0;width:100%;height:100%;display:block}.banner{position:absolute;inset-inline-start:10px;top:10px;max-width:calc(100% - 20px);display:flex;justify-content:flex-start;text-align:start;pointer-events:none}.banner[hidden]{display:none}.banner-title{padding:6px 14px;border-radius:999px;background:#04070ed1;font-size:clamp(13px,3.2vw,20px);font-weight:700;color:var(--accent);text-shadow:0 2px 12px rgba(2,8,20,.9)}.banner[data-tone=hint] .banner-title{color:var(--text);font-weight:600}.overlay{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;padding:14px;background:#04070ec7;-webkit-backdrop-filter:blur(3px);backdrop-filter:blur(3px);overflow:auto}.overlay[hidden]{display:none}.overlay-card{display:flex;flex-direction:column;align-items:center;gap:10px;max-width:46ch;text-align:center}.overlay-title{margin:0;font-size:clamp(20px,5vw,38px)}.overlay-score{margin:0;font-size:16px;font-weight:600}.overlay-stats{margin:0;font-size:13px;color:var(--muted);font-variant-numeric:tabular-nums}.overlay-score[hidden],.overlay-stats[hidden],.overlay-hint[hidden]{display:none}.overlay-hint{margin:0;color:var(--muted);font-size:14px}@media(max-width:380px){.btn-text{display:none}.btn-glyph{display:inline-flex;align-items:center}.btn{padding:0 12px}.btn-primary,.btn-ghost{padding:0 24px}.btn-primary .btn-text,.btn-ghost .btn-text{display:inline}.stat-label{display:none}.hud,.hud-stats,.hud-actions{gap:6px}.stat{padding:6px 10px}}@media(max-height:330px){.game{padding:max(7px,env(safe-area-inset-top)) max(7px,env(safe-area-inset-right)) max(7px,env(safe-area-inset-bottom)) max(7px,env(safe-area-inset-left));gap:6px}.stat{min-height:38px;padding:5px 10px}.stat-value{font-size:16px}.overlay-card{gap:8px}.overlay-title{font-size:clamp(17px,4.6vw,26px)}.overlay-hint{font-size:12px}}@media(max-height:240px){.stat-zone{display:none}.stat{min-height:36px;padding:4px 9px}.stat-value{font-size:15px}.overlay-hint{display:none}.overlay-card{gap:6px}.overlay-stats{font-size:12px}}@media(max-width:300px){.stat-best,#restart-btn{display:none}}@media(prefers-reduced-motion:reduce){.btn:active{transform:none}}