*{margin:0;padding:0;box-sizing:border-box}html{background:#000}body{width:100vw;height:100vh;overflow:hidden;background:#000;font-family:Courier New,monospace;display:flex;justify-content:center;align-items:center;perspective:1000px}#game-container{position:relative;display:flex;justify-content:center;align-items:center;background:#0a0a0a;box-shadow:0 0 50px #00ffff4d,0 0 100px #0ff3,inset 0 0 100px #00000080;border-radius:8px;width:90vw;height:90vh;max-width:95vw;max-height:95vh;padding-top:70px}@media(max-width:767px){#game-container{max-width:420px;max-height:90vh;width:100%;aspect-ratio:9 / 16;padding-top:0}}#game-canvas{display:block;image-rendering:pixelated;image-rendering:crisp-edges;border-radius:4px}#ui-overlay{position:absolute;top:0;left:0;width:100%;height:100%;pointer-events:none}#hud-overlay{position:absolute;top:10px;left:0;width:100%;height:50px;display:flex;justify-content:space-between;align-items:center;padding:0 20px;font-family:Courier New,monospace;font-weight:700;font-size:28px;color:#0ff;text-shadow:0 0 10px #00ffff,0 0 20px #00ffff,0 0 30px #00ffff;pointer-events:none;z-index:100}@media(max-width:767px){#hud-overlay{top:-60px}}#hud-score{color:#0ff}#hud-time{color:#ff0}#hud-time.low-time{color:#f60;animation:pulse-hud .5s infinite}@keyframes pulse-hud{0%,to{opacity:1;text-shadow:0 0 10px currentColor,0 0 20px currentColor,0 0 30px currentColor}50%{opacity:.7;text-shadow:0 0 20px currentColor,0 0 40px currentColor,0 0 60px currentColor}}@media(max-width:500px){#hud-overlay{font-size:20px;padding:0 10px;top:-50px;height:40px}}#game-canvas{filter:brightness(1.05) contrast(1.1)}#game-container:before{content:"";position:absolute;top:0;left:0;width:100%;height:100%;background:repeating-linear-gradient(0deg,rgba(0,0,0,.15),rgba(0,0,0,.15) 1px,transparent 1px,transparent 2px);pointer-events:none;z-index:10;animation:scanline 8s linear infinite;border-radius:4px}#game-container:after{content:"";position:absolute;top:0;left:0;width:100%;height:100%;background:radial-gradient(ellipse at center,transparent 0%,transparent 60%,rgba(0,0,0,.3) 100%);pointer-events:none;z-index:11;border-radius:4px}@keyframes scanline{0%{background-position:0 0}to{background-position:0 100%}}@keyframes flicker{0%,to{opacity:1}50%{opacity:.98}}#game-canvas{animation:flicker .15s infinite}body{-webkit-user-select:none;-moz-user-select:none;-ms-user-select:none;user-select:none;-webkit-tap-highlight-color:transparent;touch-action:none}#game-canvas{max-width:100vw;max-height:100vh;width:auto!important;height:auto!important}html,body{overscroll-behavior:none;position:fixed;width:100%;height:100%}#game-canvas{clip-path:inset(0 round 4px)}#game-canvas{position:relative}#game-container{filter:drop-shadow(2px 0 1px rgba(255,0,0,.05)) drop-shadow(-2px 0 1px rgba(0,255,255,.05))}#orientation-hint{display:none;position:fixed;top:0;left:0;width:100%;height:100%;background:#000000f2;z-index:9999;flex-direction:column;justify-content:center;align-items:center;color:#0ff;font-family:Courier New,monospace;text-align:center;padding:20px}#orientation-hint .rotate-icon{font-size:80px;margin-bottom:20px;animation:rotateHint 2s ease-in-out infinite}#orientation-hint p{font-size:20px;line-height:1.5;max-width:300px}@keyframes rotateHint{0%,to{transform:rotate(0)}50%{transform:rotate(90deg)}}@media(max-width:768px)and (orientation:landscape){#orientation-hint{display:flex}}