.gomoku-container{position:fixed;top:64px;left:0;right:0;bottom:0;overflow:hidden;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:16px}.gomoku-board{width:min(95vw,85vmin,1000px);margin:0 auto;aspect-ratio:1/1;border:2px solid #b58863;border-radius:12px;background:#f0d9b5;box-shadow:0 6px 24px rgba(0,0,0,.08);display:grid;grid-template-columns:repeat(15,1fr);grid-template-rows:repeat(15,1fr);overflow:hidden}.gomoku-board>.gomoku-cell{border-top:1px solid #b58863;border-left:1px solid #b58863}.gomoku-board>.gomoku-cell:nth-child(-n+15){border-top:none}.gomoku-board>.gomoku-cell:nth-child(15n+1){border-left:none}.gomoku-cell{position:relative;cursor:default;transition:background .16s ease}.gomoku-cell.clickable{cursor:pointer}.gomoku-stone{width:80%;height:80%;border-radius:50%;position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);box-shadow:0 4px 10px rgba(0,0,0,.25)}.gomoku-stone.black{background:#222}.gomoku-stone.white{background:#fff;border:1px solid #ddd}.gomoku-last-move{width:88%;height:88%;border-radius:50%;position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);outline:2px solid #ff5252;outline-offset:-4px;pointer-events:none}