/* Base container cleanup */
.md-typeset .admonition,
.md-typeset details {
  border: none !important;
  background: transparent !important;
  box-shadow: none !important;
  padding: 0.2em 0.5em !important;
  margin: 0.3em 0 !important;
}

/* Title area: plain bold clickable text */
.md-typeset .admonition-title,
.md-typeset summary {
  background: none !important;
  border: none !important;
  font-weight: 600 !important;
  cursor: pointer !important;
  padding: 0.2em 0 !important;
  color: inherit !important;
  display: list-item !important;
  list-style: none !important; /* remove default list arrow */
}

/* Remove Material icons */
.md-typeset .admonition-title::before,
.md-typeset summary::before {
  content: none !important;
  display: none !important;
}

/* White clean arrow */
.md-typeset summary::marker {
  color: #fff !important;  /* always white arrow */
  font-size: 0.9em;
}

/* Nested dropdowns: indented but no border line */
.md-typeset details details {
  margin-left: 1.2em !important;   /* indent nested dropdown */
  border-left: none !important;    /* remove vertical line */
  padding-left: 0.5em !important;  /* keep some spacing */
}