*{box-sizing:border-box;margin:0;padding:0;-webkit-user-select:none;user-select:none}body{background-color:#050510;display:flex;justify-content:center;align-items:center;min-height:100vh;font-family:Segoe UI,Tahoma,Geneva,Verdana,sans-serif;overflow:hidden}.app-container{position:relative;display:flex;flex-direction:column;align-items:center}.cloud-indicator{position:absolute;top:-30px;left:50%;transform:translate(-50%);display:flex;align-items:center;gap:6px;font-size:12px;color:#8892b0;background:#ffffff0d;padding:4px 12px;border-radius:20px;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);white-space:nowrap;z-index:100}.animate-pulse{animation:pulse 2s cubic-bezier(.4,0,.6,1) infinite}@keyframes pulse{0%,to{opacity:1}50%{opacity:.5}}.text-green-400{color:#4ade80}.text-red-400{color:#f87171}.game-board{position:relative;background:linear-gradient(180deg,#0a0a2a,#1a1a4a);border-radius:16px;overflow:hidden;box-shadow:0 0 40px #0064ff33,inset 0 0 20px #ffffff0d;border:1px solid rgba(255,255,255,.1);touch-action:none}.stars-bg{position:absolute;top:0;left:0;right:0;bottom:0;background-image:radial-gradient(2px 2px at 20px 30px,#eee,#0000),radial-gradient(2px 2px at 40px 70px,#fff,#0000),radial-gradient(2px 2px at 50px 160px,#ddd,#0000),radial-gradient(2px 2px at 90px 40px,#fff,#0000),radial-gradient(2px 2px at 130px 80px,#fff,#0000);background-repeat:repeat;background-size:200px 200px;animation:starScroll 4s linear infinite;opacity:.5;pointer-events:none}@keyframes starScroll{0%{transform:translateY(0)}to{transform:translateY(200px)}}.hud{position:absolute;top:0;left:0;width:100%;padding:15px 20px;display:flex;justify-content:space-between;align-items:center;z-index:10;pointer-events:none}.score-box{display:flex;flex-direction:column;color:#0ff;font-weight:700}.score-box span:first-child{font-size:10px;letter-spacing:2px;opacity:.8}.score-value{font-size:24px;font-family:monospace}.lives-box{display:flex;gap:5px}.player,.enemy,.bullet,.explosion{position:absolute;top:0;left:0;will-change:transform;display:flex;justify-content:center;align-items:center}.sprite{width:100%;height:100%;object-fit:contain;filter:drop-shadow(0 0 10px rgba(0,255,255,.3))}.fallback-emoji{font-size:2rem}.enemy .sprite{filter:drop-shadow(0 0 10px rgba(255,0,0,.3))}.explosion{width:60px;height:60px;margin-left:-30px;margin-top:-30px;animation:fadeOut .3s ease-out forwards;pointer-events:none}@keyframes fadeOut{0%{opacity:1;transform:scale(.5)}to{opacity:0;transform:scale(1.5)}}.overlay{position:absolute;top:0;right:0;bottom:0;left:0;background:#050510d9;-webkit-backdrop-filter:blur(5px);backdrop-filter:blur(5px);display:flex;flex-direction:column;justify-content:center;align-items:center;z-index:20;text-align:center}.title{font-size:48px;font-weight:900;color:#fff;margin-bottom:40px;line-height:1.1;letter-spacing:4px}.neon-text{text-shadow:0 0 5px #fff,0 0 10px #fff,0 0 20px #0ff,0 0 40px #0ff,0 0 80px #0ff}.loading-text{color:#0ff;font-size:14px;animation:pulse 1.5s infinite}.btn-primary{background:linear-gradient(45deg,#00f2fe,#4facfe);border:none;padding:12px 30px;border-radius:30px;color:#fff;font-size:18px;font-weight:700;cursor:pointer;display:flex;align-items:center;gap:10px;box-shadow:0 10px 20px #00f2fe4d;transition:box-shadow .3s}.btn-primary:hover{box-shadow:0 10px 30px #00f2fe99}.high-score{margin-top:30px;color:gold;display:flex;align-items:center;gap:8px;font-size:16px;font-weight:700;text-shadow:0 0 10px rgba(255,215,0,.5)}.instructions{margin-top:20px;color:#8892b0;font-size:12px;line-height:1.6}.gameover-title{font-size:36px;color:#f05;font-weight:900;margin-bottom:10px;text-shadow:0 0 20px rgba(255,0,85,.5)}.final-score{font-size:24px;color:#fff;margin-bottom:20px}.new-record{font-size:20px;color:#0ff;font-weight:700;margin-bottom:20px;animation:bounce 1s infinite}.mt-4{margin-top:16px}@keyframes bounce{0%,to{transform:translateY(0)}50%{transform:translateY(-10px)}}