.chessboard-container{justify-content:center;align-items:center;width:100%;padding:10px;display:flex}.chessboard-container.mini{padding:0}.chessboard-container.mini .chessboard-wrapper{border-width:1px;max-width:240px}.chessboard-container.mini .piece-image{width:24px;height:24px}.chessboard-container.mobile .chessboard-wrapper{max-width:95vw}.chessboard-container.mobile .piece-image{width:32px;height:32px}.chessboard-container.mobile .rank-label,.chessboard-container.mobile .file-label{font-size:10px}.chessboard-container.desktop .chessboard-wrapper{max-width:600px}.chessboard-container.desktop .piece-image{width:48px;height:48px}.chessboard-container.desktop .rank-label,.chessboard-container.desktop .file-label{font-size:14px}.chessboard-wrapper{aspect-ratio:1;background:#b58863;border:2px solid #333;border-radius:4px;grid-template-columns:repeat(8,1fr);width:100%;display:grid;overflow:hidden}.square{cursor:pointer;-webkit-user-select:none;user-select:none;aspect-ratio:1;justify-content:center;align-items:center;display:flex;position:relative}.square.light{background-color:#f0d9b5}.square.dark{background-color:#b58863}.square.selected{box-shadow:inset 0 0 0 3px #7b9c6e;background-color:#7b9c6e!important}.square.valid-move:after{content:"";pointer-events:none;background:#00000040;border-radius:50%;width:30%;height:30%;position:absolute}.square.king-in-check{animation:.8s ease-in-out infinite alternate check-flash}.square.check-path-green{box-shadow:inset 0 0 10px #00ff0080;background-color:#00c80066!important}.square.check-path-red{box-shadow:inset 0 0 15px #ff0000b3;background-color:#c8000099!important}.square.pulse{animation:.6s ease-in-out infinite alternate pulse-path}.square .piece{justify-content:center;align-items:center;transition:transform .1s;display:flex}.square .piece:hover{transform:scale(1.05)}.square .piece-image{object-fit:contain;display:block}.square .rank-label{color:#444;pointer-events:none;font-size:.7rem;font-weight:500;display:none;position:absolute;top:2px;left:4px}.square .file-label{color:#444;pointer-events:none;font-size:.7rem;font-weight:500;display:none;position:absolute;bottom:2px;right:4px}.chessboard-container:not(.mini) .square .rank-label,.chessboard-container:not(.mini) .square .file-label{display:block}@keyframes check-flash{0%{background-color:#ff00004d;box-shadow:inset 0 0 10px #f003}to{background-color:#f00c;box-shadow:inset 0 0 20px #f009}}@keyframes pulse-path{0%{opacity:.75;box-shadow:inset 0 0 8px #00ff0040}to{opacity:1;box-shadow:inset 0 0 18px #00ff00d9}}