:root{--bg-color: linear-gradient(45deg, #0d0d0d, #292929)}:root[data-scheme=black_white]{--bg-color: linear-gradient(45deg, #0d0d0d, #292929)}:root[data-scheme=vertex_mode]{--bg-color: linear-gradient(45deg, rgb(0, 15, 0) 0%, rgb(0, 10, 0) 50%, rgb(0, 5, 0) 100%)}body,html{margin:0;padding:0;display:flex;justify-content:center;align-items:center;min-height:100vh;background-color:transparent;font-weight:400;font-style:normal;overflow:hidden}@font-face{font-family:"Jersey 15";src:url(./assets/fonts/Jersey25-Regular.woff2) format("woff2"),url(./assets/fonts/Jersey25-Regular.ttf) format("truetype");font-weight:400;font-style:normal;font-display:swap}@keyframes gradientShift{0%{background-position:0% 50%}50%{background-position:100% 50%}to{background-position:0% 50%}}#gameCanvas{background:var(--bg-color);touch-action:pan-y;background-size:200% 200%;animation:gradientShift 16s ease infinite}@media (max-width: 768px){#gameCanvas{width:100vw;height:100vh}}.start-btn{position:absolute;left:50%;top:80%;transform:translate(-50%,-50%);z-index:10;padding:10px 16px;font-size:16px;cursor:pointer;font-family:"Jersey 15",sans-serif;font-size:24px;color:#f4f0e4;border-color:#f4f0e4;background-color:#2d2825}