/* Congdy Go Battle */
.cgb-wrap{max-width:980px;margin:18px auto;font-family:system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif}
.cgb-panel{background:#fff;border:1px solid #e5e7eb;border-radius:12px;padding:14px 14px 10px 14px;box-shadow:0 1px 2px rgba(0,0,0,.04);margin-bottom:12px}
.cgb-controls{display:flex;flex-wrap:wrap;gap:8px;align-items:center}
.cgb-btn{border:1px solid #d1d5db;background:#f9fafb;color:#111827;border-radius:10px;padding:8px 10px;font-size:13px;cursor:pointer}
.cgb-btn:disabled{opacity:.6;cursor:not-allowed}
.cgb-btn-black{background:#111827;color:#fff;border-color:#111827}
.cgb-select{border:1px solid #d1d5db;border-radius:10px;padding:8px 10px;font-size:13px;background:#fff}
.cgb-status{margin-top:10px;font-size:13px;color:#374151;min-height:18px}
.cgb-board-wrap{display:flex;justify-content:center}
.cgb-board{
  width:min(92vw, 680px);
  aspect-ratio:1/1;
  border-radius:14px;
  border:1px solid rgba(0,0,0,.18);
  overflow:hidden;
  background:#d6b67a;
  box-shadow:0 1px 2px rgba(0,0,0,.06);
  touch-action:manipulation;
}
.cgb-board svg{display:block;width:100%;height:100%}
.cgb-legend{display:flex;gap:14px;align-items:center;justify-content:center;flex-wrap:wrap;margin-top:10px;color:#111827;font-size:13px;text-align:center}
.cgb-stone{display:inline-block;width:14px;height:14px;border-radius:999px;vertical-align:middle;margin-right:6px;box-shadow:0 1px 2px rgba(0,0,0,.25)}
.cgb-stone-black{background:#111827}
.cgb-stone-white{background:#f9fafb;border:1px solid rgba(0,0,0,.25)}
.cgb-small{color:#6b7280;font-size:12px}

/* Modal */
.cgb-modal{position:fixed;inset:0;display:none;z-index:99999}
.cgb-modal[aria-hidden="false"]{display:block}
.cgb-modal-backdrop{position:absolute;inset:0;background:rgba(0,0,0,.55)}
.cgb-modal-card{position:relative;max-width:720px;margin:10vh auto;background:#fff;border-radius:14px;overflow:hidden;box-shadow:0 10px 30px rgba(0,0,0,.25)}
.cgb-modal-body{padding:16px}

/* Image-only popup */
.cgb-modal-card.cgb-modal-image-only{background:transparent;box-shadow:none;max-width:min(92vw, 900px);margin:8vh auto}
.cgb-modal-card.cgb-modal-image-only .cgb-modal-body{padding:0}
.cgb-popup-image-link{display:block}
.cgb-popup-image{display:block;width:100%;height:auto;border-radius:14px}