.game{display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:100vh;padding:20px;background:radial-gradient(circle at center,#1e272e,#000);color:#fff;font-family:Poppins,Inter,sans-serif;overflow:hidden}.game h1{font-size:3rem;margin-bottom:30px;background:linear-gradient(to right,#aec52e,#f3ffad);-webkit-background-clip:text;-webkit-text-fill-color:transparent;text-transform:uppercase;letter-spacing:5px;text-align:center;filter:drop-shadow(0 0 8px rgba(174,197,46,.4))}.board{display:grid;grid-template-columns:repeat(3,100px);grid-template-rows:repeat(3,100px);gap:15px;padding:20px;background:#ffffff08;border-radius:25px;border:1px solid rgba(255,255,255,.1);box-shadow:0 25px 50px -12px #00000080;backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px)}.cell{width:100px;height:100px;background:#ffffff0d;border-radius:15px;display:flex;align-items:center;justify-content:center;font-size:2.8rem;font-weight:800;cursor:pointer;transition:all .3s cubic-bezier(.175,.885,.32,1.275);border:1px solid rgba(255,255,255,.05);color:#fff}.cell:hover{background:#aec52e26;transform:translateY(-5px) scale(1.05);border-color:#aec52e;box-shadow:0 10px 20px #0000004d,0 0 15px #aec52e33}.cell:active{transform:scale(.95)}.cell.X{color:#ff4d4d;text-shadow:0 0 20px rgba(255,77,77,.6)}.cell.O{color:#4da6ff;text-shadow:0 0 20px rgba(77,166,255,.6)}.info{margin-top:40px;text-align:center;width:100%}.info p{font-size:1.8rem;margin-bottom:25px;font-weight:400;color:#eee;letter-spacing:1px}.info p span{font-weight:800;color:#aec52e;text-shadow:0 0 10px rgba(174,197,46,.5)}.btn-success,.btn-restart{background:linear-gradient(135deg,#aec52e,#7a8a1a);color:#000;border:none;padding:15px 45px;font-size:1.2rem;font-weight:700;border-radius:50px;cursor:pointer;transition:all .4s ease;text-transform:uppercase;letter-spacing:2px;box-shadow:0 10px 25px #aec52e4d;outline:none}.btn-restart:hover{transform:translateY(-3px) scale(1.05);box-shadow:0 15px 30px #aec52e80;filter:brightness(1.1)}.btn-restart:active{transform:translateY(1px)}@media (max-width: 480px){.game h1{font-size:2.2rem;letter-spacing:3px}.board{grid-template-columns:repeat(3,85px);grid-template-rows:repeat(3,85px);gap:12px;padding:15px}.cell{width:85px;height:85px;font-size:2.2rem;border-radius:12px}.info p{font-size:1.4rem}.btn-restart{padding:12px 35px;font-size:1rem;width:80%}}@media (max-width: 350px){.board{grid-template-columns:repeat(3,75px);grid-template-rows:repeat(3,75px)}.cell{width:75px;height:75px}}