.rv-score {
  display: flex;
  justify-content: center;
  gap: 14px;
  margin: 10px 0 4px;
}
.rv-chip {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  border-radius: 999px;
  background: var(--surface);
  border: 2px solid var(--line);
  font-weight: 800;
  font-size: 18px;
  box-shadow: var(--shadow-sm);
}
.rv-chip.active { border-color: var(--mint); transform: scale(1.06); }
.rv-dot {
  width: 18px;
  height: 18px;
  border-radius: 50%;
  display: inline-block;
}
.rv-dot.b { background: #23202e; }
.rv-dot.w { background: #fff; border: 2px solid #b9b3cc; }
.rv-board {
  display: grid;
  grid-template-columns: repeat(8, 1fr);
  gap: 2px;
  width: min(94vw, 420px);
  margin: 10px auto;
  background: #1f7a52;
  padding: 6px;
  border-radius: 12px;
  user-select: none;
  box-shadow: var(--shadow-sm);
}
.rv-cell {
  aspect-ratio: 1 / 1;
  background: #2fa06a;
  border-radius: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  position: relative;
}
.rv-cell:active { filter: brightness(1.08); }
.rv-piece {
  width: 80%;
  height: 80%;
  border-radius: 50%;
  transition: transform 0.18s ease;
}
.rv-piece.b { background: radial-gradient(circle at 32% 28%, #5b5570, #17141f); }
.rv-piece.w { background: radial-gradient(circle at 32% 28%, #ffffff, #cfc9dd); }
.rv-cell.hint::after {
  content: "";
  position: absolute;
  width: 30%;
  height: 30%;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.5);
}
.rv-cell.last { box-shadow: inset 0 0 0 3px var(--sun); }
.rv-status {
  text-align: center;
  font-weight: 800;
  color: var(--ink);
  min-height: 24px;
  margin-bottom: 4px;
}