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6px #0006,inset -2px -2px 4px #9696964d,inset 2px 2px 6px #fffc;border:1px solid rgba(150,150,150,.3)}.stone.last-move:after{content:"";position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);width:8px;height:8px;border-radius:50%}.stone.black.last-move:after{background-color:#fff;box-shadow:0 0 2px #fffc}.stone.white.last-move:after{background-color:#000;box-shadow:0 0 2px #00000080}@keyframes stoneDrop{0%{transform:scale(0) translateY(-20px);opacity:0}60%{transform:scale(1.1) translateY(0);opacity:1}to{transform:scale(1) translateY(0);opacity:1}}.stone.new-stone{animation:stoneDrop .3s ease-out}@keyframes goldenGlow{0%,to{box-shadow:0 0 8px 2px gold,0 0 15px 4px #ffd70080;transform:scale(1)}50%{box-shadow:0 0 15px 4px gold,0 0 25px 8px #ffd700b3;transform:scale(1.1)}}.cell.winning-cell .stone{animation:goldenGlow 1s 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#5a5248;border-radius:4px;min-width:100px}.selectors-btn-container{display:none;justify-content:center;gap:8px;margin-top:5px;padding:5px;background-color:#0003;border-radius:8px}.selectors-btn{width:45px;height:30px;border:none;border-radius:8px;cursor:pointer;position:relative;font-size:0;transition:all .2s ease;background:linear-gradient(145deg,#fff,#f0f0f0);box-shadow:inset 0 1px 6px #ffffffe6,0 3px 8px #00000026}.selectors-btn:hover{background:linear-gradient(145deg,#fff,#f8f8f8);transform:translateY(-1px)}.selectors-btn:before{content:"";position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);color:#000;font-weight:700}#begin-game-btn:before{content:"⏮";font-size:18px}#previous-move-btn:before{content:"◀";font-size:16px}#next-move-btn:before{content:"▶";font-size:16px}#end-game-btn:before{content:"⏭";font-size:18px}#exit-history-btn:before{content:"✕";font-size:16px}.selectors-btn:disabled{background:linear-gradient(145deg,#d8d8d8,silver);cursor:not-allowed}.selectors-btn:disabled:before{color:#606060}.ai-messages-container{display:flex;flex-direction:column;padding:5px}#ai-messages-title{display:flex;justify-content:left;color:#d9b382;text-align:left;margin-top:10px;font-size:1.1em}.ai-messages{display:flex;justify-content:left;color:#ff0;animation:aiMessageBlink .8s infinite}@keyframes aiMessageBlink{0%{opacity:1}40%{opacity:0}to{opacity:1}}.led-AI{display:flex;visibility:hidden;width:18px;height:18px;min-width:18px;min-height:18px;background-color:#444;border-radius:50%;margin:0 5px;box-shadow:inset 0 0 5px #00000080;padding:0;align-self:center;flex-shrink:0}.led-AI.visible{visibility:visible}.led-AI.active{visibility:visible;background-color:#0f0;animation:blink-led 1.5s infinite}@keyframes blink-led{0%,to{opacity:1;box-shadow:0 0 5px #0f0,0 0 10px #0f0}50%{opacity:.6;box-shadow:0 0 2px #0f0}}#player1-score,#player2-score{display:flex;align-items:center;justify-content:center}@media screen and (max-width:1400px){#game-board{--cell-size: 28px}}@media screen and (max-width:1200px){.game-container{flex-direction:column;align-items:center}#game-board{--cell-size: 26px}.left-section,.right-section{width:90%;max-width:600px}}@media screen and (max-width:768px){#game-board{--cell-size: 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