:root{--neon-blue: #00f2ff;--neon-purple: #7000ff;--neon-red: #ff2d55;--deep-bg: #010108;--glass: rgba(255, 255, 255, .05)}*{box-sizing:border-box;margin:0;padding:0}.nebula-v5{width:100vw;height:100vh;background:var(--deep-bg);color:#fff;font-family:Inter,system-ui,sans-serif;display:flex;flex-direction:column;overflow:hidden;position:relative}.scanline{position:absolute;top:0;left:0;width:100%;height:100%;background:linear-gradient(to bottom,transparent 50%,rgba(0,242,255,.02) 50%);background-size:100% 4px;z-index:1000;pointer-events:none;opacity:.4}.game-hud{height:100px;padding:0 40px;display:flex;justify-content:space-between;align-items:center;background:linear-gradient(to bottom,rgba(0,0,0,.9),transparent);border-bottom:1px solid rgba(0,242,255,.1);z-index:100}.stat-card{display:flex;align-items:center;gap:12px;background:var(--glass);padding:10px 20px;border-radius:12px;border:1px solid rgba(255,255,255,.1);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.heart-icon{filter:drop-shadow(0 0 8px var(--neon-red))}.stat-text{font-size:28px;font-weight:800;font-family:JetBrains Mono,monospace}.cloud-status{margin-top:8px;font-size:10px;color:#00f2ff;letter-spacing:1px;display:flex;align-items:center;gap:6px;opacity:.6}.sync-spin{animation:spin 2s linear infinite}.score-box{text-align:center}.score-label{font-size:10px;color:var(--neon-blue);letter-spacing:4px;margin-bottom:4px}.score-val{font-size:42px;font-weight:900;font-family:JetBrains Mono,monospace;text-shadow:0 0 20px var(--neon-blue)}.sector-tag{background:linear-gradient(45deg,var(--neon-purple),#a000ff);padding:8px 20px;border-radius:8px;font-size:14px;font-weight:900;box-shadow:0 0 25px #7000ff80}.viewport{flex:1;position:relative;background:radial-gradient(circle at center,#0a0a25,#010108);overflow:hidden;cursor:crosshair}.star-field{position:absolute;top:0;right:0;bottom:0;left:0;background-image:radial-gradient(1px 1px at 10% 20%,#fff,transparent),radial-gradient(2px 2px at 40% 50%,#fff,transparent),radial-gradient(1px 1px at 80% 80%,#fff,transparent);background-size:400px 400px;animation:starMove 100s linear infinite;opacity:.3}@keyframes starMove{0%{transform:translateY(0)}to{transform:translateY(400px)}}.player{position:absolute;width:110px;height:110px;transform:translate(-50%,-50%);z-index:50}.ship-img{width:100%;height:100%;object-fit:contain;filter:drop-shadow(0 0 15px var(--neon-blue))}.ship-fallback{font-size:60px;text-align:center;line-height:110px}.engine-glow{position:absolute;bottom:-15px;left:50%;width:40px;height:60px;background:var(--neon-blue);filter:blur(20px);transform:translate(-50%);opacity:.7;animation:flicker .1s infinite alternate}.bullet{position:absolute;width:40px;height:40px;transform:translate(-50%,-50%)}.bullet-img{width:100%;height:100%;object-fit:contain;filter:brightness(2) drop-shadow(0 0 10px var(--neon-blue))}.bullet-light{width:6px;height:30px;background:#fff;box-shadow:0 0 15px var(--neon-blue);margin:0 auto}.enemy-unit{position:absolute;transform:translate(-50%,-50%);display:flex;flex-direction:column;align-items:center}.enemy-img{width:100%;height:100%;object-fit:contain;filter:drop-shadow(0 0 15px var(--neon-red))}.enemy-icon{font-size:60px}.enemy-hp{width:80%;height:6px;background:#000000b3;margin-top:10px;border-radius:3px;border:1px solid rgba(255,255,255,.2)}.hp-fill{height:100%;background:#0f8;transition:width .2s}.explosion-fx{position:absolute;transform:translate(-50%,-50%);pointer-events:none;z-index:40}.boom-img{width:100%;height:100%;object-fit:contain;filter:hue-rotate(-20deg) brightness(1.5)}.boom-glow{position:absolute;top:0;right:0;bottom:0;left:0;background:radial-gradient(circle,#ff4d00 0%,transparent 70%);opacity:.5}.overlay{position:absolute;top:0;right:0;bottom:0;left:0;background:#010108d9;-webkit-backdrop-filter:blur(15px);backdrop-filter:blur(15px);display:flex;flex-direction:column;justify-content:center;align-items:center;z-index:500}.main-title{font-size:80px;font-weight:950;letter-spacing:15px;background:linear-gradient(to bottom,#fff,var(--neon-blue));-webkit-background-clip:text;-webkit-text-fill-color:transparent;filter:drop-shadow(0 0 30px rgba(0,242,255,.5))}.action-btn{padding:20px 50px;font-size:22px;background:var(--neon-blue);color:#000;border:none;border-radius:6px;cursor:pointer;font-weight:900;display:flex;align-items:center;gap:15px;transition:.3s cubic-bezier(.175,.885,.32,1.275);box-shadow:0 0 40px #00f2ff66}.action-btn:hover{transform:scale(1.1);box-shadow:0 0 60px var(--neon-blue)}.loading-overlay{position:absolute;top:0;right:0;bottom:0;left:0;background:var(--deep-bg);display:flex;flex-direction:column;justify-content:center;align-items:center;z-index:1000}.loader-spin{color:var(--neon-blue);animation:spin 1s linear infinite}.loading-text{margin-top:20px;color:var(--neon-blue);letter-spacing:2px;font-size:14px}.footer-status{height:40px;background:#000;display:flex;justify-content:center;gap:50px;align-items:center;font-size:11px;color:#444;border-top:1px solid rgba(255,255,255,.05)}.sys-item{display:flex;align-items:center;gap:8px}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}@keyframes flicker{0%{opacity:.4;transform:translate(-50%) scale(.9)}to{opacity:1;transform:translate(-50%) scale(1.1)}}