*{box-sizing:border-box}body{font-family:Poppins,Segoe UI,Tahoma,Geneva,Verdana,sans-serif;margin:0;padding:0;background:linear-gradient(135deg,#a0c4ff,#bdb2ff,#ffc6ff);display:flex;justify-content:center;align-items:center;min-height:100vh;color:#222}.game{display:flex;flex-direction:column;align-items:center;text-align:center}.status{margin-bottom:20px;font-size:1.8rem;font-weight:600;color:#333}.board{display:grid;grid-template-columns:repeat(3,130px);grid-template-rows:repeat(3,130px);gap:6px;background-color:#000;padding:6px;border-radius:12px;box-shadow:0 8px 20px #00000040}.square{width:130px;height:130px;background-color:#fff;border:none;font-size:2.6rem;font-weight:700;cursor:pointer;color:#333;transition:all .25s ease-in-out;border-radius:8px}.square:hover{background-color:#e9ecef;transform:scale(1.05)}.square:active{background-color:#dee2e6;transform:scale(.97)}.controls{display:flex;gap:14px;margin-top:25px;justify-content:center}.history-btn,.reset-btn{flex:1;min-width:160px;padding:12px 0;font-size:1rem;font-weight:600;border:none;border-radius:8px;color:#fff;cursor:pointer;transition:all .25s ease-in-out;box-shadow:0 4px 10px #00000026}.history-btn{background-color:#007bff}.history-btn:hover{background-color:#0056b3;transform:translateY(-2px)}.reset-btn{background-color:#28a745}.reset-btn:hover{background-color:#1e7e34;transform:translateY(-2px)}.modal-overlay{position:fixed;top:0;left:0;width:100%;height:100%;background-color:#00000080;display:flex;justify-content:center;align-items:center;z-index:1000;animation:fadeIn .3s ease-in-out}.modal{background-color:#fffffff2;padding:25px 30px;border-radius:14px;max-width:400px;width:90%;box-shadow:0 10px 25px #0000004d;text-align:center;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);animation:slideUp .3s ease-in-out}.modal h2{font-size:1.5rem;margin-bottom:15px;color:#333;border-bottom:2px solid #ddd;padding-bottom:6px}.move-list{list-style:none;padding:0;margin:0 0 20px;max-height:250px;overflow-y:auto;display:flex;flex-direction:column;gap:8px}.move-list li{background-color:#f8f9fa;border:1px solid #ddd;border-radius:8px;padding:10px 12px;font-size:1rem;font-weight:500;color:#333;text-align:left;transition:all .2s ease-in-out}.move-list li:hover{background-color:#eef2ff;transform:translateY(-2px)}.move-list li span.player-x{color:#007bff;font-weight:700}.move-list li span.player-o{color:#dc3545;font-weight:700}.move-list::-webkit-scrollbar{width:8px}.move-list::-webkit-scrollbar-thumb{background-color:#bbb;border-radius:4px}.move-list::-webkit-scrollbar-thumb:hover{background-color:#888}.close-btn{padding:10px 16px;background-color:#dc3545;color:#fff;border:none;border-radius:8px;cursor:pointer;font-weight:600;transition:all .25s ease-in-out;width:100%}.close-btn:hover{background-color:#b02a37;transform:translateY(-2px)}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes slideUp{0%{transform:translateY(40px);opacity:0}to{transform:translateY(0);opacity:1}}@media (max-width: 600px){.board{grid-template-columns:repeat(3,100px);grid-template-rows:repeat(3,100px)}.square{width:100px;height:100px;font-size:2rem}.controls{flex-direction:column}}