*{margin:0;padding:0;box-sizing:border-box}html,body{width:100%;height:100%;overflow:hidden;background:#0a0e1a;font-family:Segoe UI,system-ui,sans-serif;color:#c8d8f0;cursor:default;-webkit-user-select:none;user-select:none}#app{width:100%;height:100%;position:relative}#game-canvas{display:block;width:100%;height:100%;z-index:0}#ui-overlay{position:absolute;top:0;right:0;bottom:0;left:0;pointer-events:none;z-index:10}#ui-overlay.interactive{pointer-events:auto}#ui-overlay:not(.interactive) .hud-container,#ui-overlay:not(.interactive) .gameplay-hint{pointer-events:none}.screen{position:absolute;top:0;right:0;bottom:0;left:0;display:flex;flex-direction:column;align-items:center;justify-content:center;background:radial-gradient(ellipse at center,#0f1a2e,#060a12 70%);pointer-events:auto}.menu-screen{background:linear-gradient(180deg,#060a12cc,#0a1020aa 40%,#060a12ee),url(./cover-front-CI4nWmN8.png) center / cover 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hintFade{0%,70%{opacity:1}to{opacity:0}}#game-canvas:focus{outline:none}.pause-overlay,.result-overlay{position:absolute;top:0;right:0;bottom:0;left:0;display:flex;flex-direction:column;align-items:center;justify-content:center;background:#000a;pointer-events:auto}.pause-overlay h2,.result-overlay h2{font-size:2rem;color:#4a9eff;margin-bottom:1.5rem;letter-spacing:.1em}.result-overlay .reward{font-size:1.2rem;color:#ffd060;margin-bottom:1rem}.controls-hint{margin-top:1.5rem;font-size:.75rem;color:#4a6080;text-align:center;line-height:1.6;max-width:500px}.screen h2{font-size:1.5rem;color:#4a9eff;margin-bottom:1rem;letter-spacing:.1em}.back-btn{margin-top:.5rem}