body{background-color:#1e1e1e;color:#fff;font-family:Segoe UI,sans-serif;margin:0}.auth-title{text-align:center;margin-top:40px;font-size:2rem}.auth-card-wrapper{min-height:calc(100vh - 80px);display:flex;align-items:center;justify-content:center}.auth-card{background:#2b2b2b;padding:40px;border-radius:12px;box-shadow:0 4px 12px #00000080;width:100%;max-width:420px;color:#fff}.auth-input{width:100%;margin-bottom:10px;padding:10px;border-radius:6px;border:1px solid #555;background:#1a1a1a;color:#eee}.auth-button{width:100%;padding:10px;background-color:#4da6ff;border:none;border-radius:6px;color:#fff;font-weight:700;cursor:pointer}.auth-link{color:#4da6ff;text-decoration:underline;cursor:pointer;font-size:.95rem;text-align:center;display:block;margin-top:1rem}.auth-subtitle{text-align:center;margin-bottom:20px;font-size:1.2rem;font-weight:700}: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}a{font-weight:500;color:#646cff;text-decoration:inherit}a:hover{color:#535bf2}body{margin:0;display:flex;place-items:center;min-width:320px;min-height:100vh}h1{font-size:3.2em;line-height:1.1}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}@media (prefers-color-scheme: light){:root{color:#213547;background-color:#fff}a:hover{color:#747bff}button{background-color:#f9f9f9}}.game-wrapper{display:flex;justify-content:center;align-items:center;width:100vw;height:100vh;background-color:#000;overflow:hidden}.game-canvas{aspect-ratio:16 / 9;height:100%;max-width:100vw}.game-canvas{image-rendering:pixelated;image-rendering:crisp-edges}