:root{font-family:Inter,system-ui,Avenir,Helvetica,Arial,sans-serif;line-height:1.5;font-weight:400;color-scheme:light dark;color:#ffffffde;background-color:#242424;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}body{margin:0;display:flex;place-items:center;min-width:320px;min-height:100vh;overflow:hidden}#app{width:100%;height:100vh;display:flex;justify-content:center;align-items:center;position:relative}canvas{background-color:#000;border:2px solid #646cff;max-width:100%;max-height:100%}#ui-overlay{position:absolute;inset:20px;pointer-events:none;color:#fff;text-shadow:2px 2px 4px rgba(0,0,0,.5);display:flex;flex-direction:column}#score{font-size:24px;margin-bottom:10px}#instructions{font-size:14px;background:#00000080;padding:10px;border-radius:4px;align-self:flex-start}#mobile-controls{margin-top:auto;display:flex;justify-content:space-between;width:100%;pointer-events:auto}.control-btn{width:80px;height:80px;border-radius:40px;font-size:16px;background-color:#646cff99;border:2px solid #646cff;color:#fff;-webkit-user-select:none;user-select:none;-webkit-tap-highlight-color:transparent}.control-btn:active{background-color:#646cffe6}#game-over{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);text-align:center;pointer-events:auto;background:#000c;padding:2rem;border-radius:8px}button{border-radius:8px;border:1px solid transparent;padding:.6em 1.2em;font-size:1em;font-weight:500;font-family:inherit;background-color:#1a1a1a;cursor:pointer;transition:border-color .25s}button:hover{border-color:#646cff}button:focus,button:focus-visible{outline:4px auto -webkit-focus-ring-color}