/* Neutralize default callout look */
  .callout {
    background: #f9f9f9;
      border: 1px solid #ddd;
    border-left: 4px solid #0077b5; /* accent bar */
    border-radius: 6px;
    box-shadow: 0 2px 6px rgba(0,0,0,0.05);
    margin: 1em 0;
    padding: 0.5em 1em;
  }

/* Remove the blue "note" background */
  .callout-note,
.callout-tip,
.callout-warning {
  background: inherit;
}

/* Remove default icons */
  .callout-icon {
    display: none !important;
  }

/* Style the header line */
  .callout-header {
    cursor: pointer;
    font-weight: 600;
    font-size: 1.1rem;
    position: relative;
    padding-left: 1.5em;
  }

/* Add disclosure triangle */
  .callout-header::before {
    content: "▶";
    position: absolute;
    left: 0;
    top: 0.1em;
    font-size: 0.9em;
    color: #666;
      transition: transform 0.2s;
  }

.callout.open .callout-header::before {
  content: "▼";
}