:root{font-family:sans-serif;text-align:center}.game-container{display:flex;flex-direction:column;align-items:center;gap:.75rem}.board{display:grid;grid-template-columns:repeat(8,50px);grid-template-rows:repeat(8,50px);background-color:#006400;border:4px solid #333;gap:2px}.cell{background-color:#228b22;width:50px;height:50px;display:flex;align-items:center;justify-content:center;position:relative}.cell.valid:after{content:"";width:10px;height:10px;background:#0003;border-radius:50%;cursor:pointer}.cell.valid:hover{background-color:#32cd32}.piece{width:80%;height:80%;border-radius:50%;box-shadow:2px 2px 4px #0006}.piece.black{background-color:#000}.piece.white{background-color:#fff}.scores{font-size:1rem;font-weight:600;display:flex;gap:20px}.game-hint{font-size:.85rem;color:#aaa}.ai-fallback-notice{min-height:1.2rem;font-size:.9rem;color:#ffd166;opacity:0;transition:opacity .2s ease}.ai-fallback-notice.show{opacity:1}.ai-pass-notice{min-height:1.2rem;font-size:.95rem;color:#9be17a;opacity:0;transition:opacity .2s ease}.ai-pass-notice.show{opacity:1}