:root{--bg: #060a16;--panel: #17203a;--panel-2: #232f52;--text: #f1ece2;--muted: #9aa5bd;--you: #2dd4bf;--rival: #fb7185;--gold: #fbbf24;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,.stat-side{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-score{gap:6px}.stat-you{color:var(--you)}.stat-rival{color:var(--rival)}.stat-dash{color:var(--muted);font-weight:700}.stat-best .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(--you);color:#04312d;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:#060a16d1;font-size:clamp(13px,3.4vw,20px);font-weight:700;color:var(--text);text-shadow:0 2px 12px rgba(2,8,20,.9)}.banner[data-tone=you] .banner-title,.banner[data-tone=match] .banner-title{color:var(--you)}.banner[data-tone=rival] .banner-title{color:var(--rival)}.banner[data-tone=fault] .banner-title{color:var(--gold)}.banner[data-tone=hint] .banner-title,.banner[data-tone=serve] .banner-title{font-weight:600}.overlay{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;padding:16px;background:#060a16c7;-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:12px;max-width:46ch;text-align:center}.overlay-card .btn-primary{position:sticky;bottom:0}.overlay-title{margin:0;font-size:clamp(20px,5.2vw,38px)}.overlay-score{margin:0;font-size:16px;font-weight:600}.overlay-score[hidden],.overlay-hint[hidden]{display:none}.overlay-hint{margin:0;color:var(--muted);font-size:14px}@media(max-width:620px){.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}}@media(max-width:430px){.stat-label,.stat-side{display:none}.hud,.hud-stats,.hud-actions{gap:6px}.stat{padding:6px 10px}}@media(max-width:330px){.stat-match,.stat-best,#restart-btn{display:none}.game{padding:max(6px,env(safe-area-inset-top)) max(6px,env(safe-area-inset-right)) max(6px,env(safe-area-inset-bottom)) max(6px,env(safe-area-inset-left));gap:6px}.stat{min-height:40px;padding:5px 9px}.overlay-card{gap:8px}.overlay-title{font-size:clamp(17px,6vw,24px)}.overlay-hint{display:none}}@media(max-height:340px){.stat{min-height:38px;padding:5px 9px}.stat-value{font-size:16px}.overlay-card{gap:8px}.overlay-title{font-size:clamp(17px,4.6vw,26px)}.overlay-hint{display:none}}@media(prefers-reduced-motion:reduce){.btn:active{transform:none}}