.hp_info_grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 12px;
    align-items: start;
  }
  @media (max-width: 1099px) and (min-width: 600px) {
    .hp_info_grid {
      grid-template-columns: repeat(2, 1fr);
    }
  }
  @media (max-width: 599px) {
    .hp_info_grid {
      grid-template-columns: 1fr;
    }
  }

  /* ---- Dam / Offspring collapsible ---- */
  .hp_collapse_toggle {
    cursor: pointer;
    font-size: 12px;
    color: #555;
    display: flex;
    align-items: center;
    gap: 4px;
    margin-top: 4px;
    user-select: none;
  }
  .hp_collapse_toggle .hp_col_arrow { transition: transform 0.2s; }
  .hp_collapse_toggle.hp_col_open .hp_col_arrow { transform: rotate(90deg); }
  .hp_collapse_body { display: none; margin-top: 6px; }
  .hp_collapse_body.hp_col_open { display: block; }

  .hp_offspring_row {
    display: flex;
    align-items: baseline;
    gap: 6px;
    padding: 3px 0;
    font-size: 12px;
    border-bottom: 1px solid #f0f0f0;
  }
  .hp_offspring_row:last-child { border-bottom: none; }
  .hp_offspring_name {
    font-weight: 600;
    color: #2a4a8a;
    cursor: pointer;
    text-decoration: underline dotted;
  }
  .hp_offspring_year { color: #888; font-size: 11px; }
  .hp_offspring_sire { color: #555; font-size: 11px; font-style: italic; }
  .hp_offspring_badges { display: flex; gap: 3px; flex-wrap: wrap; }