: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;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}}body{font-family:Arial,sans-serif;display:flex;justify-content:center;align-items:center;height:100vh;margin:0;background:url(https://i1.sndcdn.com/artworks-IH1fclgrXT6ETkzy-vJIwyw-t1080x1080.jpg) center/cover no-repeat;background-attachment:fixed}.game{text-align:center;background:#ff9d69d9;font-family:Franklin Gothic Medium,Arial Narrow,Arial,sans-serif;padding:2rem;border-radius:15px;box-shadow:0 8px 32px #0003;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);width:350px;border:1px solid rgba(255,255,255,.2)}h1{color:#2c3e50;margin:0 0 1rem;text-shadow:1px 1px 3px rgba(255,255,255,.8)}.score-box{background:#2c3e50e6;color:#fff;padding:.75rem;border-radius:10px;display:flex;justify-content:space-around;margin-bottom:1rem;box-shadow:0 4px 6px #0000001a}.message{height:24px;margin:.5rem 0;font-weight:700;color:#2c3e50}.board{display:grid;grid-template-columns:1fr 1fr;gap:15px;margin:1.5rem 0}.btn{width:120px;height:120px;border:none;border-radius:15px;cursor:pointer;opacity:.8;transition:all .2s;border:2px solid rgba(255,255,255,.3)}.btn:hover{opacity:1}.btn:disabled{cursor:not-allowed}.btn.active{opacity:1;transform:scale(.95);box-shadow:0 0 20px #fff;border:2px solid white}.red{background:#ff5252}.blue{background:#4285f4}.green{background:#0f9d58}.yellow{background:#ffbc00}.start-btn{padding:12px 24px;background:#2c3e50e6;color:#fff;border:none;border-radius:8px;cursor:pointer;font-size:16px;margin-top:1rem;width:100%;transition:all .3s}.start-btn:hover{background:#1a252ff2;transform:translateY(-2px)}