body{margin:0;overflow:hidden;background:radial-gradient(120% 120% at 50% 30%,#0b1b2e,#050910 55%,#03060b);font-family:Courier New,Courier,monospace;-webkit-user-select:none;user-select:none;color:#e0f7ff}canvas{filter:contrast(1.05) saturate(1.1)}#ui-layer{position:absolute;top:0;left:0;width:100%;height:100%;pointer-events:none;display:flex;flex-direction:column;justify-content:center;align-items:center;z-index:100}.glass{-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);background:#0008108c;border:1px solid rgba(0,255,170,.25);box-shadow:0 0 20px #00ffaa1a}#crosshair{width:8px;height:8px;background:linear-gradient(135deg,#00ffaae6,#00aaffe6);border-radius:50%;position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);box-shadow:0 0 10px #00ffaab3;transition:width .1s,height .1s,background .1s;border:1px solid rgba(255,255,255,.3)}#crosshair.moving{width:12px;height:12px;background:linear-gradient(135deg,#ffaa00e6,#ff6400e6)}#crosshair.hit{animation:hitMarker .2s 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rgba(0,255,170,.4))}50%{filter:drop-shadow(0 0 30px rgba(124,229,255,.9)) drop-shadow(0 0 60px rgba(124,229,255,.5))}}@keyframes titleShift{0%,to{background-position:0% 50%}50%{background-position:100% 50%}}@keyframes titlePulse{0%,to{opacity:.4;transform:scale(1)}50%{opacity:.7;transform:scale(1.02)}}#hud{background:linear-gradient(135deg,#000c14bf,#001928a6);border:1px solid rgba(0,255,170,.3);box-shadow:0 0 20px #00ffaa26,inset 0 0 30px #0000004d}#minimap-canvas{filter:drop-shadow(0 0 8px rgba(0,255,170,.3))}#status-score{animation:scoreGlow 2s ease-in-out infinite}@keyframes scoreGlow{0%,to{text-shadow:0 0 8px rgba(255,221,0,.5)}50%{text-shadow:0 0 15px rgba(255,221,0,.8),0 0 25px rgba(255,221,0,.4)}}#enemy-alert>div{animation:alertPulse .5s ease-in-out infinite alternate,alertGlow 1s ease-in-out infinite}@keyframes alertGlow{0%,to{box-shadow:0 0 20px #f009}50%{box-shadow:0 0 35px #ff0000e6,0 0 50px #f006}}#renderer-status{animation:badgePulse 3s ease-in-out infinite}@keyframes 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ease}button:hover{transform:translateY(-2px);box-shadow:0 0 20px #0e78ff73}button:active{transform:translateY(1px);box-shadow:0 0 10px #0bd3a84d}#start-btn:hover{transform:translateY(-3px);box-shadow:0 6px 25px #0fa9,inset 0 1px #ffffff4d;border-color:#00ffaae6;background:linear-gradient(135deg,#0fa6,#00c8ff66)}#start-btn:active{transform:translateY(1px) scale(.98);box-shadow:0 2px 10px #0fa6,inset 0 2px 4px #0000004d}#start-btn:before{content:"";position:absolute;top:0;left:-100%;width:100%;height:100%;background:linear-gradient(90deg,transparent,rgba(255,255,255,.3),transparent);transition:left .5s}#start-btn:hover:before{left:100%}@keyframes fadeInUp{0%{opacity:0;transform:translate(-50%) translateY(20px)}to{opacity:1;transform:translate(-50%) translateY(0)}}@keyframes fadeOutDown{0%{opacity:1;transform:translate(-50%) translateY(0)}to{opacity:0;transform:translate(-50%) translateY(20px)}}#tutorial-hint .key{background:#0fa3;padding:2px 6px;border-radius:4px;border:1px solid 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