.piece-set-picker{text-align:left;grid-column:1/-1;width:100%;min-width:0}.piece-set-picker summary{cursor:pointer;min-height:44px;padding:12px;font-size:14px}.piece-set-choices{grid-template-columns:repeat(auto-fit,minmax(min(100%,180px),1fr));gap:8px;max-height:320px;padding:8px;display:grid;overflow:auto}.piece-set-choices button{border:2px solid var(--border);background:var(--surface);color:var(--text);border-radius:10px;flex-direction:column;gap:4px;min-width:0;min-height:70px;padding:8px;font-size:13px;display:flex}.piece-set-choices button[aria-pressed=true]{border-color:var(--primary);box-shadow:inset 0 0 0 1px var(--primary)}.piece-set-preview{background:var(--board-light);border-radius:5px;width:100%;display:flex;overflow:hidden}.piece-set-preview svg{width:16.666%;height:auto;display:block}.chessboard .square>span:has(>.chess-piece-art){filter:none;-webkit-text-stroke:0;place-items:center;width:100%;height:100%;display:grid;transform:none}.chess-piece-art{pointer-events:none;width:100%;height:100%;display:block}.chess-piece-art>svg{width:100%;height:100%;display:block}.piece-set-picker summary{border:1px solid var(--border);background:var(--surface);border-radius:8px;font-weight:600}.piece-set-picker>a{padding:8px 12px;font-size:12px;display:block}.piece-set-preview svg:nth-child(2n){background:var(--board-dark)}.piece-set-popover{box-sizing:border-box;border:1px solid var(--border);background:var(--surface);width:min(300px,100vw - 16px);max-height:min(340px,48dvh);color:var(--text);overscroll-behavior:contain;border-radius:16px;margin:0;padding:8px;position:fixed;inset:auto;overflow:auto;box-shadow:0 12px 40px #0003}.piece-set-popover header{justify-content:space-between;align-items:center;gap:12px;margin-bottom:8px;display:flex}.piece-set-popover header button{min-width:44px;min-height:44px;font-size:24px}.piece-set-popover .piece-set-choices{max-height:none;overflow:visible}.piece-set-popover .piece-set-picker summary[hidden]{display:none}.piece-set-popover .piece-set-choices{grid-template-columns:1fr;gap:4px;padding:0}.piece-set-popover .piece-set-choices button{text-align:left;flex-direction:row;align-items:center;gap:8px;min-height:44px;padding:5px}.piece-set-popover .piece-set-preview{flex:0 0 144px;width:144px}.piece-set-popover header{background:var(--surface);z-index:1;margin:-8px -8px 4px;padding:4px 8px;position:sticky;top:-8px}.piece-set-popover header strong{font-size:14px}