:root{--neon-blue: #60a5fa;--neon-purple: #a855f7;--neon-red: #ef4444;--neon-yellow: #fbbf24;--bg-dark: #020617}.app-container{background:var(--bg-dark);min-height:100vh;display:flex;justify-content:center;align-items:center;font-family:Inter,system-ui,sans-serif;color:#fff;overflow:hidden}.game-window{position:relative;width:400px;height:600px;background:radial-gradient(circle at center,#1e293b,#020617);box-shadow:0 0 50px #000c,inset 0 0 2px var(--neon-blue);border-radius:16px;overflow:hidden}.game-header{position:absolute;top:0;left:0;right:0;height:60px;background:#0f172acc;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);display:flex;justify-content:space-around;align-items:center;border-bottom:1px solid rgba(96,165,250,.2);z-index:10}.stat-group{display:flex;align-items:center;gap:6px;font-size:1.1rem;font-weight:800;transition:all .3s}.active-laser{color:var(--neon-blue);transform:scale(1.2);text-shadow:0 0 10px var(--neon-blue)}.icon-heart{color:var(--neon-red)}.icon-score{color:var(--neon-blue)}.icon-zap{color:var(--neon-yellow)}.boss-warning,.laser-alert{position:absolute;left:50%;transform:translate(-50%);padding:4px 12px;border-radius:4px;font-size:.7rem;font-weight:700;z-index:5;display:flex;align-items:center;gap:6px;white-space:nowrap;animation:flash 1s infinite}.boss-warning{top:70px;background:#ef444433;border:1px solid var(--neon-red);color:var(--neon-red)}.laser-alert{top:100px;background:#60a5fa33;border:1px solid var(--neon-blue);color:var(--neon-blue)}@keyframes flash{0%,to{opacity:1}50%{opacity:.5}}canvas{display:block;cursor:crosshair}.overlay{position:absolute;top:0;right:0;bottom:0;left:0;background:#020617f2;display:flex;flex-direction:column;justify-content:center;align-items:center;z-index:100;padding:20px;text-align:center}.title{font-size:2.8rem;font-weight:900;background:linear-gradient(to bottom,#fff,var(--neon-blue));-webkit-background-clip:text;-webkit-text-fill-color:transparent;margin:0}.subtitle{color:#64748b;margin:10px 0 30px;font-size:.9rem}.start-btn{background:linear-gradient(135deg,var(--neon-blue),var(--neon-purple));border:none;padding:14px 40px;color:#fff;font-weight:800;font-size:1.1rem;border-radius:12px;cursor:pointer;box-shadow:0 0 20px #60a5fa66;transition:transform .2s}.start-btn:hover{transform:scale(1.05)}.high-score{margin-top:20px;color:var(--neon-yellow);font-size:.9rem}.tutorial{margin-top:10px;color:#475569;font-size:.8rem}.game-over-text{color:var(--neon-red);font-size:2.2rem;font-weight:900;text-shadow:0 0 20px var(--neon-red)}.final-score{font-size:1.4rem;color:#94a3b8;margin:20px 0 40px}.loader{color:var(--neon-blue);font-weight:600;animation:pulse 1s infinite}@keyframes pulse{50%{opacity:.5}}