html,body{margin:0;padding:0;overflow:hidden;background:#000;height:100%}#game{position:fixed;top:0;right:0;bottom:0;left:0}canvas{display:block}.hud{position:fixed;top:0;right:0;bottom:0;left:0;pointer-events:none;font-family:Consolas,Courier New,monospace;color:#9fe870;-webkit-user-select:none;user-select:none}#crosshair{position:fixed;left:50%;top:50%;transform:translate(-50%,-50%);width:44px;height:44px;opacity:.9}#crosshair:before,#crosshair:after{content:"";position:absolute;background:#9fe870}#crosshair:before{left:50%;top:0;width:2px;height:100%;transform:translate(-50%);clip-path:polygon(0 0,100% 0,100% 30%,0 30%,0 70%,100% 70%,100% 100%,0 100%)}#crosshair:after{top:50%;left:0;height:2px;width:100%;transform:translateY(-50%);clip-path:polygon(0 0,30% 0,30% 100%,0 100%,70% 0,100% 0,100% 100%,70% 100%)}#topbar{position:fixed;top:14px;left:50%;transform:translate(-50%);text-align:center}#score{font-size:28px;font-weight:700;letter-spacing:4px;text-shadow:0 0 8px #52ff00aa}#wave{font-size:13px;letter-spacing:3px;opacity:.8}#left-panel{position:fixed;left:20px;bottom:20px;font-size:14px;letter-spacing:1px}.bar-label{margin-bottom:3px;font-size:12px;opacity:.85}.bar{width:190px;height:12px;border:1px solid #9fe870;margin-bottom:10px;background:#0a1a05aa}.bar>div{height:100%;background:#9fe870;transition:width .12s linear;box-shadow:0 0 8px #52ff00aa}#hpfill.low{background:#ff4b3e;box-shadow:0 0 8px #ff4b3e}#spd{font-size:20px}#alt-warn{color:#ff4b3e;font-weight:700;font-size:15px;height:20px;animation:blink .4s steps(2) infinite}@keyframes blink{50%{opacity:0}}#radar{position:fixed;right:20px;bottom:20px;width:150px;height:150px;opacity:.9}#weapons{position:fixed;right:20px;bottom:185px;width:150px;font-size:14px;letter-spacing:1px}.wpn{padding:3px 8px;margin-top:4px;border:1px solid #9fe87055;background:#0a1a0588;opacity:.65}.wpn.active{border-color:#9fe870;opacity:1;background:#1c331188;box-shadow:0 0 8px #52ff0055}.wpn.flr{border-color:#ffab4066;color:#ffab40;opacity:.9}#msl-warn{position:fixed;left:50%;top:62%;transform:translate(-50%);color:#ff4b3e;font-size:20px;font-weight:700;letter-spacing:3px;text-shadow:0 0 12px #ff4b3e;animation:blink .3s steps(2) infinite}#vignette{position:fixed;top:0;right:0;bottom:0;left:0;box-shadow:inset 0 0 180px #000c}#dmgflash{position:fixed;top:0;right:0;bottom:0;left:0;background:#f20;opacity:0;transition:opacity .25s}.screen{position:fixed;top:0;right:0;bottom:0;left:0;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;background:radial-gradient(ellipse at center,#0a1a25ee,#010409f5);color:#9fe870;font-family:Consolas,monospace;pointer-events:auto}.screen h1{font-size:clamp(38px,8vw,84px);letter-spacing:12px;margin:0 0 8px;text-shadow:0 0 24px #52ff0080}.screen h2{font-size:16px;letter-spacing:6px;opacity:.8;margin:0 0 34px;font-weight:400}.screen .keys{font-size:14px;line-height:2;opacity:.9;margin-bottom:36px}.screen .keys b{color:#fff;background:#1c3311;padding:1px 8px;border:1px solid #9fe870;border-radius:3px}.screen .go{font-size:20px;letter-spacing:4px;animation:blink 1s steps(2) infinite}.hidden{display:none!important}#final-score{font-size:26px;margin-bottom:28px}