*{margin:0;padding:0;box-sizing:border-box}html,body,#root{width:100%;height:100%;height:100dvh;overflow:hidden;background:#0a0a14;color:#fff;font-family:system-ui,-apple-system,sans-serif}.game-container{position:relative;width:100vw;height:100vh;height:100dvh}.game-canvas{display:block;width:100%;height:100%;touch-action:none}.fallback-banner{position:absolute;bottom:12px;left:50%;transform:translate(-50%);padding:8px 20px;font-size:.85rem;font-weight:500;color:#ffa;background:#000000b3;border:1px solid rgba(255,255,160,.3);border-radius:8px;pointer-events:none;z-index:5;white-space:nowrap}.hud{position:absolute;top:0;left:0;right:0;display:flex;justify-content:space-between;padding:16px 24px;pointer-events:none;z-index:10}.score{font-size:1.5rem;font-weight:700;text-shadow:0 2px 8px rgba(0,0,0,.6);font-variant-numeric:tabular-nums}.score-left{color:#4af}.score-right{color:#f84}.phase-label{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);font-size:.9rem;opacity:.5;pointer-events:none}.menu-overlay{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;background:#0a0a14d9;z-index:20;gap:24px}.menu-overlay h1{font-size:3rem;letter-spacing:.08em;background:linear-gradient(135deg,#4af,#f84);background-clip:text;-webkit-background-clip:text;-webkit-text-fill-color:transparent}.menu-overlay button{padding:12px 40px;font-size:1.2rem;font-weight:600;border:2px solid #4af;border-radius:8px;background:transparent;color:#4af;cursor:pointer;transition:all .2s}.menu-overlay button:hover{background:#4af;color:#0a0a14}.game-over-overlay{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;background:#0a0a14e6;z-index:20;gap:16px}.game-over-overlay h2{font-size:2.5rem;color:#f84}.game-over-overlay .final-score{font-size:1.2rem;opacity:.8}.game-over-overlay button,.pause-overlay button{padding:12px 40px;font-size:1.2rem;font-weight:600;border:2px solid #4af;border-radius:8px;background:transparent;color:#4af;cursor:pointer;transition:all .2s}.game-over-overlay button:hover,.pause-overlay button:hover{background:#4af;color:#0a0a14}.pause-overlay{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;background:#0a0a14d9;z-index:20;gap:16px}.pause-overlay h2{font-size:2rem;color:#4af}.pause-btn{pointer-events:auto;padding:4px 12px;font-size:1rem;font-weight:700;border:2px solid rgba(255,255,255,.4);border-radius:6px;background:transparent;color:#fff9;cursor:pointer;transition:all .2s}.pause-btn:hover{border-color:#4af;color:#4af}.score-zen{color:#ff4}.power-buttons{position:absolute;top:50%;transform:translateY(-50%);display:flex;flex-direction:column;gap:8px;z-index:10}.power-left{left:8px}.power-right{right:8px}.power-btn{width:40px;height:40px;display:flex;align-items:center;justify-content:center;font-size:1.2rem;font-weight:700;border:2px solid rgba(255,255,255,.3);border-radius:8px;background:#0006;color:#fff9;cursor:pointer;transition:all .2s}.power-btn:hover{border-color:#4af;color:#4af}.power-btn.armed{border-color:#f44;color:#f44;background:#f443;box-shadow:0 0 12px #f446}.score-popup{position:absolute;font-weight:900;font-size:28px;pointer-events:none;z-index:15;animation:popup-float 2.5s ease-out forwards}.score-popup.left{color:#f6f;text-shadow:0 0 12px #ff00ff,0 0 24px #ff00ff,0 0 4px #fff}.score-popup.right{color:#fa3;text-shadow:0 0 12px #ff6600,0 0 24px #ff6600,0 0 4px #fff}@keyframes popup-float{0%{opacity:1;transform:scale(1) translateY(0)}to{opacity:0;transform:scale(2) translateY(-60px)}}