.hbp-wrap {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
  width: 100%;
}

.hbp-board {
  width: min(100%, 440px);
  aspect-ratio: 1 / 1;
  border-radius: var(--radius-md);
  background: #1c1f26;
  box-shadow: inset 0 0 0 3px var(--color-border);
  padding: 6px;
}

.hbp-tray {
  display: flex;
  justify-content: center;
  gap: 14px;
  flex-wrap: wrap;
  width: 100%;
}

.hbp-piece {
  display: flex;
  align-items: center;
  justify-content: center;
  min-width: 76px;
  min-height: 76px;
  padding: 6px;
  border-radius: var(--radius-md);
  border: 2px solid var(--color-border);
  background: rgba(255, 255, 255, 0.04);
  cursor: pointer;
}

.hbp-piece--selected {
  border-color: var(--color-accent, #4fd8e0);
  background: rgba(79, 216, 224, 0.12);
}

.hbp-piece--empty {
  border-style: dashed;
  opacity: 0.35;
  cursor: default;
}

.game-message {
  min-height: 22px;
  font-weight: 600;
  color: var(--color-accent, #4fd8e0);
  text-align: center;
}