: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}}#root{max-width:1280px;margin:0 auto;padding:2rem;text-align:center}.logo{height:6em;padding:1.5em;will-change:filter;transition:filter .3s}.logo:hover{filter:drop-shadow(0 0 2em #646cffaa)}.logo.react:hover{filter:drop-shadow(0 0 2em #61dafbaa)}@keyframes logo-spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}@media (prefers-reduced-motion: no-preference){a:nth-of-type(2) .logo{animation:logo-spin infinite 20s linear}}.card{padding:2em}.read-the-docs{color:#888}:root{--dark-bg: #0f0f1a;--neon-pink: #ff2a6d;--neon-cyan: #05d9e8;--neon-purple: #d300c5;--nature-beige: #f5f5dc;--nature-green: #2e8b57;--nature-red: #d22b2b;--nature-brown: #654321;--retro-pink: #ff9ff3;--retro-yellow: #feca57;--retro-blue: #1dd1a1;--retro-dark: #576574}*{box-sizing:border-box;margin:0;padding:0;font-family:Courier New,monospace}.game-container{border-radius:20px;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:20px;transition:background-color .3s ease}.theme-selector,.game-mode{display:flex;gap:10px;margin-bottom:20px}.theme-selector button,.game-mode button{padding:8px 16px;border:none;border-radius:4px;cursor:pointer;font-weight:700;transition:all .2s}.theme-selector button.active,.game-mode button.active{transform:translateY(-2px);box-shadow:0 4px 8px #0003}.status{font-size:24px;margin:20px 0;font-weight:700;text-align:center}.board{display:grid;grid-template-columns:repeat(3,100px);grid-template-rows:repeat(3,100px);gap:10px;margin-bottom:20px}.board-square{background-color:#ffffff1a;border-radius:8px;display:flex;align-items:center;justify-content:center;transition:all .3s}.board-square:hover{transform:scale(1.02);box-shadow:0 0 15px #fff3}.square{width:100%;height:100%;font-size:48px;font-weight:700;border:none;background:transparent;cursor:pointer;transition:all .3s;border-radius:8px}.square.winning{animation:pulse 1s infinite alternate}@keyframes pulse{0%{box-shadow:0 0 5px currentColor}to{box-shadow:0 0 20px currentColor}}.controls{display:flex;gap:15px;margin-bottom:20px}.controls button{padding:10px 20px;border:none;border-radius:4px;cursor:pointer;font-weight:700;transition:all .2s}.controls button:hover{transform:translateY(-2px)}.controls button:disabled{opacity:.5;cursor:not-allowed;transform:none}.scoreboard{display:flex;gap:30px;font-size:18px;font-weight:700}.scoreboard div{display:flex;align-items:center;gap:5px}@media (max-width: 400px){.board{grid-template-columns:repeat(3,80px);grid-template-rows:repeat(3,80px)}.square{font-size:36px}}