:root{--neon-blue: #00f3ff;--neon-purple: #ff00ff;--danger: #ff4d4d;--bg-deep: #02020a}body{margin:0;background:var(--bg-deep);color:#fff;font-family:Orbitron,sans-serif;overflow:hidden}.game-wrapper{width:100vw;height:100vh;position:relative;display:flex;flex-direction:column;align-items:center;background:radial-gradient(circle at center,#0a0a20,#02020a)}.star-bg{position:absolute;top:0;right:0;bottom:0;left:0;background-image:radial-gradient(1px 1px at 10% 10%,#fff,transparent),radial-gradient(1px 1px at 50% 30%,#fff,transparent),radial-gradient(2px 2px at 80% 70%,#fff,transparent);background-size:300px 300px;animation:starMove 20s linear infinite;opacity:.4}@keyframes starMove{0%{transform:translateY(0)}to{transform:translateY(300px)}}.game-hud{width:90%;max-width:700px;height:80px;margin-top:20px;display:flex;justify-content:space-between;align-items:center;padding:0 30px;background:#ffffff0d;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border-radius:20px;border:1px solid rgba(255,255,255,.1);z-index:100}.stat-box{display:flex;align-items:center;gap:10px;background:#0000004d;padding:8px 15px;border-radius:10px}.score-text{font-size:24px;font-weight:700;color:var(--neon-blue);text-shadow:0 0 10px var(--neon-blue)}.hud-center{display:flex;gap:20px}.skill-slot{display:flex;flex-direction:column;align-items:center;gap:4px}.skill-key{font-size:10px;color:#aaa}.skill-icon{width:40px;height:40px;border:2px solid;border-radius:10px;display:flex;align-items:center;justify-content:center;position:relative;overflow:hidden;background:#00000080}.cd-overlay{position:absolute;bottom:0;left:0;width:100%;background:#000000b3;transition:height .1s linear}.stage-area{width:600px;height:800px;position:relative;overflow:hidden}.full-overlay{position:absolute;top:0;right:0;bottom:0;left:0;background:#02020ad9;display:flex;flex-direction:column;align-items:center;justify-content:center;z-index:200;text-align:center}.glitch-title{font-size:60px;letter-spacing:5px;color:var(--neon-blue);text-shadow:3px 3px var(--neon-purple);margin-bottom:30px}.start-btn{padding:15px 40px;background:var(--neon-blue);color:#000;border:none;border-radius:50px;font-weight:700;font-size:18px;cursor:pointer;box-shadow:0 0 20px var(--neon-blue);transition:.3s}.start-btn:hover{transform:scale(1.1);box-shadow:0 0 40px var(--neon-blue)}.player-entity{position:absolute;width:60px;height:60px;transform:translate(-50%,-50%);z-index:10}.player-entity img{width:100%;height:100%;object-fit:contain}.shield-aura{position:absolute;top:-15px;right:-15px;bottom:-15px;left:-15px;border:3px solid var(--neon-blue);border-radius:50%;box-shadow:0 0 20px var(--neon-blue);animation:pulse .5s infinite alternate}@keyframes pulse{0%{opacity:.5;transform:scale(.95)}to{opacity:1;transform:scale(1.05)}}.thruster{position:absolute;bottom:-10px;left:50%;transform:translate(-50%);width:15px;height:30px;background:linear-gradient(to bottom,var(--neon-blue),transparent);filter:blur(4px);animation:flicker .1s infinite}@keyframes flicker{0%{height:25px;opacity:.7}to{height:35px;opacity:1}}.bullet-entity{position:absolute;width:4px;height:25px;background:var(--neon-blue);box-shadow:0 0 10px var(--neon-blue);transform:translate(-50%);border-radius:2px}.enemy-entity{position:absolute;width:50px;height:50px;display:flex;align-items:center;justify-content:center;font-size:30px}.enemy-entity img{width:100%;height:100%;object-fit:contain}.blast-wave{position:absolute;top:50%;left:50%;width:400px;height:400px;border:10px solid white;border-radius:50%;transform:translate(-50%,-50%);z-index:5;box-shadow:0 0 100px #fff}.shake{animation:shakeEffect .2s infinite}@keyframes shakeEffect{0%{transform:translate(2px,2px)}50%{transform:translate(-2px,-2px)}to{transform:translate(0)}}.spin-icon{animation:spin 1s linear infinite;margin-bottom:20px;color:var(--neon-blue)}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}