:root{--primary: #4facfe;--secondary: #00f2fe;--accent: #ff0844;--bg: #0b0e14;--neon-shadow: 0 0 15px rgba(79, 172, 254, .6)}body{margin:0;padding:0;background:#000;font-family:Segoe UI,Roboto,Helvetica,Arial,sans-serif;color:#fff;overflow:hidden;display:flex;justify-content:center;align-items:center;height:100vh}.game-wrapper{box-shadow:0 0 50px #000c;border:2px solid #333;border-radius:12px;overflow:hidden}.game-container{width:400px;height:600px;background:var(--bg);position:relative;overflow:hidden;cursor:crosshair;-webkit-user-select:none;user-select:none;touch-action:none}.starfield{position:absolute;top:0;left:0;right:0;bottom:0;background-image:radial-gradient(1px 1px at 20px 30px,#fff,#0000),radial-gradient(1px 1px at 40px 70px,#fff,#0000),radial-gradient(2px 2px at 50px 160px,#ddd,#0000),radial-gradient(2px 2px at 90px 40px,#fff,#0000);background-size:200px 200px;animation:moveStars 10s linear infinite;opacity:.5}@keyframes moveStars{0%{background-position:0 0}to{background-position:0 600px}}.hud{position:absolute;top:0;left:0;right:0;padding:15px;display:flex;justify-content:space-between;align-items:center;z-index:10;background:linear-gradient(to bottom,rgba(0,0,0,.8),transparent)}.hud-item{display:flex;align-items:center;gap:5px;font-weight:700;font-size:14px;text-shadow:0 2px 4px rgba(0,0,0,.5)}.score-display{font-size:24px;color:var(--secondary);font-family:Courier New,Courier,monospace}.cloud-sync{position:absolute;bottom:-20px;right:15px;font-size:10px;opacity:.6}.player{position:absolute;width:50px;height:50px;z-index:5;filter:drop-shadow(0 0 8px var(--primary))}.player img{width:100%;height:100%;object-fit:contain}.bullet{position:absolute;width:4px;height:15px;background:var(--secondary);border-radius:2px;box-shadow:0 0 10px var(--secondary)}.enemy{position:absolute;width:40px;height:40px;display:flex;justify-content:center;align-items:center}.enemy img{width:100%;height:100%;object-fit:contain}.enemy.fast{width:30px;height:30px}.enemy.tank{width:60px;height:60px;filter:drop-shadow(0 0 10px #667eea)}.explosion{position:absolute;width:60px;height:60px;pointer-events:none;animation:fadeOut .5s forwards}@keyframes fadeOut{0%{transform:scale(.5);opacity:1}to{transform:scale(1.5);opacity:0}}.overlay{position:absolute;top:0;right:0;bottom:0;left:0;background:#0b0e14e6;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);display:flex;flex-direction:column;justify-content:center;align-items:center;z-index:100;text-align:center;padding:20px}.title{font-size:42px;letter-spacing:4px;margin-bottom:10px;color:#fff}.title span{display:block;font-size:20px;color:var(--primary);letter-spacing:8px}.title-over{color:var(--accent);font-size:48px;margin-bottom:20px}.high-score,.final-score{font-size:18px;margin-bottom:30px;color:#aaa;display:flex;align-items:center;gap:10px}.btn-start,.btn-restart{padding:15px 40px;font-size:18px;font-weight:700;background:linear-gradient(45deg,var(--primary),var(--secondary));border:none;border-radius:30px;color:#fff;cursor:pointer;display:flex;align-items:center;gap:10px;transition:transform .2s,box-shadow .2s;box-shadow:var(--neon-shadow)}.btn-start:hover{transform:scale(1.05);box-shadow:0 0 25px var(--primary)}.hint{margin-top:30px;font-size:12px;color:#666}.loading-screen{width:400px;height:600px;background:#000;display:flex;flex-direction:column;justify-content:center;align-items:center;gap:20px}.loader{width:40px;height:40px;border:3px solid #333;border-top-color:var(--primary);border-radius:50%;animation:spin 1s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.icon.gold{color:gold}.icon.red{color:#ff4d4d}.icon.yellow{color:#ffeb3b}