.game{display:flex;flex-direction:column;align-items:center;gap:2rem;padding:1rem}.game h1{font-size:clamp(2rem,5vw,3rem);margin-bottom:0;color:#646cff}.game-status{display:flex;flex-direction:column;align-items:center;gap:1rem;min-height:5rem}.game-status h2{font-size:clamp(1.25rem,3vw,1.5rem);font-weight:500;transition:all .3s ease}.game-status h2.game-over{color:#4ade80;font-size:clamp(1.5rem,4vw,2rem);animation:pulse 1s ease-in-out}@keyframes pulse{0%,to{transform:scale(1)}50%{transform:scale(1.05)}}.restart-button{padding:.75rem 2rem;font-size:1rem;font-weight:600;color:#fff;background-color:#646cff;border:none;border-radius:8px;cursor:pointer;transition:all .2s ease;box-shadow:0 2px 4px #0000001a}.restart-button:hover{background-color:#535bf2;transform:translateY(-2px);box-shadow:0 4px 8px #0003}.restart-button:active{transform:translateY(0);box-shadow:0 1px 2px #0000001a}.board{display:inline-block;background-color:#646cff1a;border-radius:12px;padding:.5rem}.board-row{display:flex;gap:.5rem;margin-bottom:.5rem}.board-row:last-child{margin-bottom:0}.square{width:clamp(60px,15vw,100px);height:clamp(60px,15vw,100px);background-color:#fff;border:2px solid #e5e7eb;border-radius:8px;font-size:clamp(1.5rem,6vw,2.5rem);font-weight:700;cursor:pointer;transition:all .2s ease;color:#374151}.square:hover:not(:disabled){background-color:#f9fafb;border-color:#646cff;transform:scale(1.05)}.square:active:not(:disabled){transform:scale(.95)}.square.winning{background-color:#4ade80;border-color:#22c55e;color:#fff;animation:winning .5s ease}@keyframes winning{0%,to{transform:scale(1)}50%{transform:scale(1.1)}}@media (prefers-color-scheme: dark){.square{background-color:#374151;border-color:#4b5563;color:#f9fafb}.square:hover:not(:disabled){background-color:#4b5563}.square.winning{background-color:#22c55e;border-color:#16a34a}}@media (max-width: 480px){.game{gap:1.5rem;padding:.5rem}.board{padding:.25rem}.board-row{gap:.25rem;margin-bottom:.25rem}.restart-button{padding:.6rem 1.5rem;font-size:.9rem}}.square:focus-visible{outline:3px solid #646cff;outline-offset:2px}.restart-button:focus-visible{outline:3px solid #646cff;outline-offset:2px}@media (prefers-reduced-motion: reduce){.square,.restart-button,.game-status h2{transition:none;animation:none}}:root{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Open Sans,Helvetica Neue,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}*{box-sizing:border-box;margin:0;padding:0}body{margin:0;display:flex;place-items:center;min-width:320px;min-height:100vh}#root{width:100%;max-width:1280px;margin:0 auto;padding:2rem;text-align:center}@media (prefers-color-scheme: light){:root{color:#213547;background-color:#fff}}