:root{font-family: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}a{font-weight:500;color:#646cff;text-decoration:inherit}a:hover{color:#535bf2}body{margin:0;min-width:320px;min-height:100vh;overflow-x:hidden;display:flex;justify-content:center;align-items:start}h1{font-size:2.4em;line-height:1.2;margin:.3em 0 .5em}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}.card{padding:2em}#app{width:100%;max-width:600px;box-sizing:border-box;margin:0 auto;padding:2rem 1rem;text-align:center}@media (prefers-color-scheme: light){:root{color:#213547;background-color:#fff}a:hover{color:#747bff}button{background-color:#f9f9f9}.rules{color:#444}}#header[data-v-764dad0e]{text-align:center;margin-bottom:1rem}.rules[data-v-764dad0e]{font-size:1em;line-height:1.5;white-space:pre-line;opacity:.9;color:#ccc;padding:0 1rem}@media (prefers-color-scheme: light){.rules[data-v-764dad0e]{color:#444}}.grid[data-v-05957c7d]{display:grid;grid-template-columns:repeat(16,1fr);grid-template-rows:repeat(16,1fr);gap:1px;width:100%;max-width:90vmin;aspect-ratio:1;margin:0 auto;box-sizing:border-box;justify-content:center;align-items:center}.cell[data-v-05957c7d]{width:100%;height:100%;border:1px solid #ccc;cursor:pointer}