:root{font-family:Arial,Helvetica,sans-serif;color:#f5f6ff;background:#080b19;font-synthesis:none;--lime:#d5f879}*{box-sizing:border-box}body{margin:0;overflow:hidden}button,input{font:inherit}button{cursor:pointer}button:disabled{opacity:.4;cursor:default}button:focus-visible,input:focus-visible,summary:focus-visible{outline:2px solid var(--lime);outline-offset:4px}.hidden{display:none!important}.app,main,.layout,.arena-card{width:100%;height:100%}.arena{position:fixed;top:0;right:0;bottom:0;left:0;width:100%;height:100dvh;overflow:hidden;isolation:isolate;touch-action:none;user-select:none;-webkit-user-select:none;-webkit-touch-callout:none;background:radial-gradient(ellipse at 12% 8%,var(--sky-a,#167f71) -40%,transparent 64%),radial-gradient(ellipse at 100% 95%,var(--sky-b,#30308a) -25%,transparent 67%),linear-gradient(145deg,#081827,#130c25);transition:background .6s}.arena:focus{outline:none}#scene{position:absolute;top:0;right:0;bottom:0;left:0}#scene 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#ffffff30;background:#07112180;color:#e4eaff;font-size:20px;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px)}.icon-button:hover{background:#ffffff25}.icon-button[aria-pressed=true]{color:var(--lime);border-color:var(--lime)}.level-strip{position:absolute;top:max(72px,calc(env(safe-area-inset-top) + 50px));left:24px;right:24px;display:flex;align-items:center;gap:12px;pointer-events:none;font:9px Courier New,monospace;letter-spacing:1px;color:#c4d0e3}.level-strip strong{color:var(--lime)}.level-strip progress{-webkit-appearance:none;-moz-appearance:none;appearance:none;width:65px;height:3px;border:0;background:#ffffff25;color:var(--lime)}.level-strip progress::-webkit-progress-bar{background:#ffffff25}.level-strip progress::-webkit-progress-value{background:var(--lime)}.level-strip progress::-moz-progress-bar{background:var(--lime)}.level-strip>span:last-child{margin-left:auto}.cube-hud{position:absolute;bottom:max(86px,calc(env(safe-area-inset-bottom) + 72px));left:24px;right:24px;display:flex;justify-content:center;flex-wrap:wrap;gap:10px 18px;pointer-events:none;font:10px Courier New,monospace;color:#d1def4;text-shadow:0 1px 5px #000}.cube-hud strong{text-transform:uppercase;color:var(--lime)}#world-status{color:#8ffff2}.boost-status{position:absolute;bottom:max(48px,calc(env(safe-area-inset-bottom) + 34px));left:50%;transform:translate(-50%);pointer-events:none;white-space:nowrap;border:1px solid #ffffff25;border-radius:20px;padding:7px 12px;background:#07112180;color:#ccdcf1;font:9px Courier New,monospace;letter-spacing:1px}.boosting .boost-status{color:#071121;background:#a6ffe0;box-shadow:0 0 28px #71ffdb80}.board-caption{position:absolute;bottom:max(20px,env(safe-area-inset-bottom));left:15px;right:15px;text-align:center;pointer-events:none;font:9px Courier New,monospace;letter-spacing:1px;color:#b8cbe5}.dying .boost-status{visibility:hidden}.dying 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#0003}.primary:hover{filter:brightness(1.1)}.primary span{font-size:22px}.text-button{border:0;background:none;color:var(--lime);padding:12px;font-size:12px}.result{display:flex;justify-content:center;align-items:center;gap:12px;margin:10px 0 20px}.result strong{font-size:44px;color:var(--lime)}.result span{font:10px Courier New,monospace;letter-spacing:2px}#score-form label{display:block;text-align:left;font-size:12px;margin-bottom:8px}.name-row{display:flex;gap:8px}input{min-width:0;flex:1;background:#081221b0;border:1px solid #64708a;border-radius:6px;color:#fff;padding:12px;font-size:13px;user-select:text;-webkit-user-select:text}.save-button{background:#ffffff14;color:var(--lime);border:1px solid #ffffff40;border-radius:6px;padding:0 12px}#save-status{font-size:11px;text-align:left;min-height:18px;margin:8px 0 12px}.score-details{margin:18px 0 0;font-size:12px}.score-details summary{cursor:pointer;color:var(--lime);padding:8px}.leaderboard{text-align:left;padding:12px 0}.leaderboard-heading,.board-meta,.table-heading{display:none}#scores{list-style:none;margin:0;padding:0}#scores li{display:flex;align-items:center;gap:14px;min-height:28px;font-size:12px}.rank{width:18px;color:#96a9c4;font:10px Courier New,monospace}.player{flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.points{font:11px Courier New,monospace;color:var(--lime)}.leaderboard-status{text-align:center;color:#b7c5d9;font-size:13px;line-height:1.6;padding:12px}.leaderboard-footer{display:none}.graphics-error{position:absolute;top:0;right:0;bottom:0;left:0;background:#131d30;display:grid;place-items:center;text-align:center;padding:40px;z-index:5;line-height:1.6}@media (max-width:600px){.arena-top{left:14px;right:14px;top:max(16px,env(safe-area-inset-top))}.arena-label{display:none}.stats{width:100%;justify-content:space-between;gap:8px;letter-spacing:0;font-size:8px}.stats 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