#gomBoard{background:linear-gradient(135deg,#b8954a,#d4b06a);border-radius:10px;gap:0;padding:6px;display:grid;box-shadow:0 0 25px #00000080,inset 0 0 10px #00000026}.gomCell{cursor:pointer;-webkit-user-select:none;user-select:none;touch-action:manipulation;background:0 0;border:none;border-radius:0;justify-content:center;align-items:center;padding:0;display:flex;position:relative}.gomCell:before{content:"";pointer-events:none;border-bottom:1px solid #3c280a59;border-right:1px solid #3c280a59;position:absolute;inset:0}.gomCell.empty:hover:not(:disabled){background:#ffffff1f}.gomStone{z-index:1;border-radius:50%;width:82%;height:82%;position:relative}.gomStone.black{background:radial-gradient(circle at 35% 30%,#555,#111);box-shadow:0 1px 2px #00000080}.gomStone.white{background:radial-gradient(circle at 35% 30%,#fff,#ccc);box-shadow:0 1px 2px #00000059}.gomCell.last .gomStone{box-shadow:0 0 0 2px var(--gt-gold), 0 1px 3px #0006}.gomCell.win .gomStone{box-shadow:0 0 0 2px #ff6b6b,0 0 10px #ff6b6b99}#gomMessage{min-height:1.4em;color:var(--gt-gold);margin-top:8px;font-size:1.2em;font-weight:700}