:root{--neon-cyan: #00ffcc;--neon-magenta: #ff00ff;--neon-yellow: #ffff00;--bg-dark: #050510;--glass: rgba(0, 255, 204, .1)}.cyber-container{width:800px;height:600px;background:var(--bg-dark);margin:20px auto;position:relative;overflow:hidden;border:2px solid var(--neon-cyan);box-shadow:0 0 30px #0fc3;font-family:Courier New,Courier,monospace;color:#fff;cursor:none}.crt-overlay{position:absolute;top:0;right:0;bottom:0;left:0;pointer-events:none;z-index:1000;background:linear-gradient(#12101000 50%,#0000001a 50%),linear-gradient(90deg,#ff000008,#00ff0003,#0000ff08);background-size:100% 3px,3px 100%}.cyber-hud{position:absolute;top:0;width:100%;height:80px;display:flex;justify-content:space-between;align-items:center;padding:0 20px;box-sizing:border-box;z-index:100;background:linear-gradient(to bottom,rgba(0,0,0,.8),transparent)}.xp-container{margin-top:5px;display:flex;align-items:center;gap:8px}.xp-label{font-size:10px;color:var(--neon-yellow);font-weight:700}.xp-bar-bg{width:120px;height:6px;background:#ffffff1a;border-radius:3px;overflow:hidden}.xp-bar-fill{height:100%;background:var(--neon-yellow);box-shadow:0 0 8px var(--neon-yellow)}.glitch-box{font-size:28px;font-weight:700;color:var(--neon-cyan);text-shadow:2px 0 var(--neon-magenta),-2px 0 var(--neon-yellow)}.cyber-health{width:180px;height:16px;background:#ffffff0d;border:1px solid var(--neon-cyan);position:relative}.health-bar{height:100%;background:var(--neon-cyan);box-shadow:0 0 15px var(--neon-cyan)}.health-text{position:absolute;top:0;right:0;bottom:0;left:0;font-size:8px;display:flex;align-items:center;justify-content:center;text-shadow:1px 1px #000}.cyber-skills{position:absolute;left:15px;top:50%;transform:translateY(-50%);display:flex;flex-direction:column;gap:12px;z-index:100}.cyber-skill-slot{width:48px;height:48px;background:#000000b3;border:1px solid rgba(0,255,204,.3);border-radius:6px;display:flex;flex-direction:column;align-items:center;justify-content:center;position:relative;cursor:pointer;transition:.2s}.cyber-skill-slot.active{border-color:#fff;box-shadow:0 0 15px #fff}.cyber-skill-slot.locked{opacity:.3;filter:grayscale(1)}.skill-lv{position:absolute;top:-5px;right:-5px;font-size:8px;background:var(--neon-cyan);color:#000;padding:1px 3px;border-radius:3px}.skill-key{position:absolute;bottom:-5px;left:-5px;font-size:9px;background:#000;border:1px solid var(--neon-cyan);padding:0 3px}.upgrade-panel{background:#050514f2;border:2px solid var(--neon-cyan);padding:30px;border-radius:12px;width:350px;text-align:center;box-shadow:0 0 50px #00ffcc4d}.upgrade-title{color:var(--neon-cyan);margin:0 0 10px;letter-spacing:4px}.points-left{color:var(--neon-yellow);font-size:14px;margin-bottom:20px}.upgrade-list{display:flex;flex-direction:column;gap:15px;margin-bottom:25px}.upgrade-item{display:flex;justify-content:space-between;align-items:center;padding:10px;background:#ffffff0d;border-radius:6px}.upgrade-info{display:flex;align-items:center;gap:10px;font-size:13px}.upgrade-btn{background:var(--neon-cyan);color:#000;border:none;padding:5px 10px;font-size:10px;font-weight:700;cursor:pointer;border-radius:4px}.upgrade-btn:disabled{background:#333;color:#666;cursor:not-allowed}.player{position:absolute;width:60px;height:60px;transform:translate(-50%,-50%);z-index:50}.cyber-shield{position:absolute;top:-10px;right:-10px;bottom:-10px;left:-10px;border:2px solid var(--neon-cyan);border-radius:50%;animation:rotate 2s linear infinite;box-shadow:0 0 20px var(--neon-cyan)}.player img{width:100%;height:100%;filter:drop-shadow(0 0 10px var(--neon-cyan))}.enemy{position:absolute;width:45px;height:45px;transform:translate(-50%,-50%)}.enemy-hp{position:absolute;top:-10px;width:100%;height:4px;background:#333}.enemy-hp div{height:100%;background:var(--neon-magenta)}.enemy img{width:100%;height:100%;filter:drop-shadow(0 0 8px var(--neon-magenta))}.cyber-bullet{position:absolute;width:4px;height:12px;background:var(--neon-cyan);box-shadow:0 0 10px var(--neon-cyan);border-radius:2px}.cyber-bullet.homing{background:var(--neon-yellow);box-shadow:0 0 12px var(--neon-yellow);width:6px;height:15px}.dmg-txt{position:absolute;color:var(--neon-yellow);font-weight:700;font-size:14px;pointer-events:none;z-index:60}.cyber-overlay{position:absolute;top:0;right:0;bottom:0;left:0;background:#05050fd9;display:flex;align-items:center;justify-content:center;z-index:500}.cyber-title{font-size:56px;color:var(--neon-cyan);text-shadow:0 0 20px var(--neon-cyan);animation:glitch 3s infinite}.cyber-btn{padding:12px 30px;background:transparent;border:2px solid var(--neon-cyan);color:var(--neon-cyan);font-weight:700;cursor:pointer;transition:.3s}.cyber-btn:hover{background:var(--neon-cyan);color:#000;box-shadow:0 0 20px var(--neon-cyan)}.cyber-footer{position:absolute;bottom:0;width:100%;height:25px;background:#00ffcc1a;display:flex;gap:20px;padding:0 15px;align-items:center;font-size:10px;color:var(--neon-cyan)}@keyframes rotate{0%{transform:rotate(0)}to{transform:rotate(360deg)}}@keyframes glitch{0%,to{transform:translate(0)}20%{transform:translate(-2px,2px)}40%{transform:translate(2px,-2px)}}