:root{--neon-cyan: #00f2ff;--neon-purple: #bc13fe;--neon-pink: #ff00de;--neon-yellow: #ffd700;--neon-red: #ff4757;--bg-dark: #030308}body{margin:0;background:#000;color:#fff;font-family:Segoe UI,Roboto,Helvetica,Arial,sans-serif;overflow:hidden;-webkit-user-select:none;user-select:none}.app-container{display:flex;flex-direction:column;height:100vh;max-width:480px;margin:0 auto;background:var(--bg-dark);border-left:1px solid #111;border-right:1px solid #111;position:relative;box-shadow:0 0 30px #00f2ff26}.screen-shake{animation:shake .15s infinite}@keyframes shake{0%{transform:translate(1px,1px) rotate(0)}10%{transform:translate(-1px,-2px) rotate(-1deg)}20%{transform:translate(-3px) rotate(1deg)}30%{transform:translateY(2px) rotate(0)}40%{transform:translate(1px,-1px) rotate(1deg)}50%{transform:translate(-1px,2px) rotate(-1deg)}60%{transform:translate(-3px,1px) rotate(0)}70%{transform:translate(2px,1px) rotate(-1deg)}80%{transform:translate(-1px,-1px) rotate(1deg)}90%{transform:translate(2px,2px) rotate(0)}to{transform:translate(1px,-2px) rotate(-1deg)}}.loading-screen{height:100vh;display:flex;align-items:center;justify-content:center;background:radial-gradient(circle at center,#08081a,#020205);color:#fff}.boot-terminal{text-align:center;padding:30px;border-radius:16px;border:1px solid rgba(0,242,255,.2);background:#05050fcc;box-shadow:0 0 40px #00f2ff1a;width:80%;max-width:360px;position:relative}.radar-scanner{position:absolute;top:0;left:0;width:100%;height:4px;background:linear-gradient(90deg,transparent,var(--neon-cyan),transparent);animation:scan 2s linear infinite}@keyframes scan{0%{top:0%}50%{top:100%}to{top:0%}}.spin-icon{animation:spin 1.5s linear infinite;color:var(--neon-cyan);margin-bottom:20px;filter:drop-shadow(0 0 8px var(--neon-cyan))}.progress-bar{width:100%;height:6px;background:#111;border-radius:3px;overflow:hidden;margin-top:20px}.progress-fill{height:100%;width:75%;background:linear-gradient(90deg,var(--neon-purple),var(--neon-cyan));animation:fillProgress 2.5s ease-out forwards}@keyframes fillProgress{0%{width:0%}to{width:100%}}.game-ui{padding:12px 16px;display:flex;justify-content:space-between;align-items:center;background:#05050af2;border-bottom:1px solid #111;z-index:10}.stats{display:flex;gap:8px}.stat-box{background:#0d0d1a;border:1px solid #1f1f3d;padding:6px 10px;border-radius:8px;font-size:.75rem;font-weight:700;display:flex;align-items:center;gap:4px}.active-score{border-color:var(--neon-cyan);color:var(--neon-cyan);box-shadow:0 0 8px #00f2ff26}.coin-box{border-color:var(--neon-yellow);color:var(--neon-yellow)}.gold-coin{color:var(--neon-yellow);filter:drop-shadow(0 0 4px var(--neon-yellow));animation:coinSpin 1.5s linear infinite}@keyframes coinSpin{0%{transform:rotateY(0)}to{transform:rotateY(360deg)}}.ui-actions{display:flex;gap:8px}.sound-btn{background:#111;border:1px solid #333;color:#aaa;width:32px;height:32px;border-radius:8px;cursor:pointer;display:flex;align-items:center;justify-content:center}.shop-toggle{background:linear-gradient(45deg,var(--neon-purple),var(--neon-pink));border:none;color:#fff;padding:0 12px;height:32px;border-radius:8px;cursor:pointer;display:flex;align-items:center;gap:6px;font-weight:700;font-size:.8rem;box-shadow:0 0 10px #bc13fe4d}.game-world{flex:1;position:relative;background:#000;overflow:hidden;touch-action:none}.game-world:before{content:"";position:absolute;top:0;right:0;bottom:0;left:0;background-image:radial-gradient(1px 1px at 20px 30px,#eee,transparent),radial-gradient(1.5px 1.5px at 40px 70px,#fff,transparent),radial-gradient(1px 1px at 50px 160px,#ddd,transparent),radial-gradient(2px 2px at 90px 220px,#fff,transparent);background-size:120px 120px;opacity:.3}.warp-speed:before{animation:starWarp .8s linear infinite}@keyframes starWarp{0%{transform:translateY(0)}to{transform:translateY(120px)}}.entity{position:absolute;width:38px;height:38px;transform:translate(-50%,-50%);display:flex;align-items:center;justify-content:center;z-index:5}.sprite-img{width:100%;height:100%;object-fit:contain}.fallback-player{color:var(--neon-cyan);filter:drop-shadow(0 0 8px var(--neon-cyan))}.fallback-enemy{filter:drop-shadow(0 0 6px currentColor)}.fallback-enemy.purple{color:var(--neon-purple)}.fallback-enemy.yellow{color:var(--neon-yellow)}.fallback-enemy.red{color:var(--neon-red)}.engine-flame{position:absolute;bottom:-8px;width:8px;height:12px;background:linear-gradient(to bottom,var(--neon-cyan),transparent);border-radius:50%;animation:flameFlicker .1s infinite}@keyframes flameFlicker{0%{transform:scaleY(1);opacity:.9}50%{transform:scaleY(1.4);opacity:1}to{transform:scaleY(1);opacity:.9}}.shield-bubble{position:absolute;width:52px;height:52px;border:2px solid var(--neon-cyan);border-radius:50%;box-shadow:inset 0 0 10px #00f2ff66,0 0 15px #00f2ff80;animation:shieldPulse 1s infinite alternate}@keyframes shieldPulse{0%{transform:scale(.95);opacity:.6}to{transform:scale(1.05);opacity:.9}}.enemy-hp-bar{position:absolute;top:-6px;width:24px;height:3px;background:#00000080;border-radius:2px;overflow:hidden}.enemy-hp-fill{height:100%;background:var(--neon-red)}.bullet{position:absolute;width:4px;height:12px;border-radius:2px;transform:translate(-50%,-50%);z-index:4}.player-bullet{background:var(--neon-cyan);box-shadow:0 0 8px var(--neon-cyan)}.enemy-bullet{background:var(--neon-red);box-shadow:0 0 8px var(--neon-red);width:6px;height:6px;border-radius:50%}.coin-drop{position:absolute;transform:translate(-50%,-50%);z-index:3;animation:floatCoin .6s ease-in-out infinite alternate}@keyframes floatCoin{0%{transform:translate(-50%,-50%) translateY(-2px)}to{transform:translate(-50%,-50%) translateY(2px)}}.particle{position:absolute;border-radius:50%;pointer-events:none;z-index:2}.overlay{position:absolute;top:0;right:0;bottom:0;left:0;background:#020206d9;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);display:flex;flex-direction:column;align-items:center;justify-content:center;padding:20px;z-index:20}.game-title{font-size:2.5rem;font-weight:900;letter-spacing:2px;background:linear-gradient(45deg,var(--neon-cyan),var(--neon-pink));-webkit-background-clip:text;-webkit-text-fill-color:transparent;margin:10px 0 0;filter:drop-shadow(0 0 15px rgba(0,242,255,.3))}.game-subtitle{color:#888;font-size:.9rem;letter-spacing:4px;margin-bottom:30px}.tutorial-card{background:#ffffff08;border:1px solid rgba(255,255,255,.08);padding:16px;border-radius:12px;margin-bottom:30px;width:80%}.tutorial-card h3{margin-top:0;font-size:.95rem;color:var(--neon-cyan)}.tutorial-card p{font-size:.8rem;color:#ccc;margin:6px 0}.big-btn{background:linear-gradient(135deg,var(--neon-cyan),#00a2ff);color:#000;border:none;padding:14px 28px;font-size:1rem;font-weight:700;border-radius:50px;cursor:pointer;display:flex;align-items:center;gap:10px;box-shadow:0 0 20px #00f2ff66;transition:transform .1s}.big-btn:active{transform:scale(.95)}.gameover-title{font-size:3rem;font-weight:900;color:var(--neon-red);text-shadow:0 0 20px rgba(255,71,87,.5);margin:0 0 10px}.final-score{font-size:1.2rem;color:#aaa}.record-badge{background:#ffd7001a;border:1px solid var(--neon-yellow);color:var(--neon-yellow);padding:6px 16px;border-radius:20px;font-size:.85rem;font-weight:700;margin:15px 0}.coins-collected{display:flex;align-items:center;gap:8px;font-size:.9rem;color:#888;margin-bottom:30px}.shop-overlay{position:absolute;top:0;right:0;bottom:0;left:0;background:#030308fa;padding:24px 16px;z-index:15;overflow-y:auto}.shop-header h2{margin:0;font-size:1.4rem;color:var(--neon-yellow)}.shop-header p{margin:4px 0 16px;font-size:.8rem;color:#666}.shop-grid{display:flex;flex-direction:column;gap:12px}.shop-item{background:#0d0d1a;border:1px solid #1a1a3a;border-radius:12px;padding:12px;display:flex;align-items:center;justify-content:space-between}.item-info{display:flex;align-items:center;gap:12px}.item-icon{width:32px;height:32px;padding:6px;border-radius:8px;background:#ffffff08}.item-icon.cyan{color:var(--neon-cyan)}.item-icon.yellow{color:var(--neon-yellow)}.item-icon.pink{color:var(--neon-pink)}.item-icon.red{color:var(--neon-red)}.item-icon.green{color:#2ed573}.item-info h4{margin:0;font-size:.85rem}.item-info p{margin:2px 0 0;font-size:.75rem;color:#666}.buy-button{background:var(--neon-yellow);color:#000;border:none;padding:8px 12px;border-radius:8px;font-weight:700;font-size:.8rem;cursor:pointer;display:flex;flex-direction:column;align-items:center}.buy-button:disabled{background:#222;color:#555;cursor:not-allowed}.hotkey{font-size:.6rem;opacity:.6;font-weight:400;margin-top:2px}.shop-hint{text-align:center;font-size:.75rem;color:#555;margin-top:20px}.hud-footer{padding:12px 16px;background:#05050a;border-top:1px solid #111;display:flex;justify-content:space-between;align-items:center}.lives-container{display:flex;gap:4px}.heart-beat{animation:pulseHeart 1.5s infinite alternate}@keyframes pulseHeart{0%{transform:scale(1)}to{transform:scale(1.15)}}.controls-hint{font-size:.7rem;color:#444}.flicker{animation:flickerAnim .15s infinite alternate}@keyframes flickerAnim{0%{opacity:.3}to{opacity:1}}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}