/* Standard-Pfeil ausblenden */
details summary {
list-style: none;
cursor: pointer;
}

details summary::-webkit-details-marker {
display: none;
}

/* Plus-Zeichen (geschlossen) */
details summary::before {
content: "+";
font-weight: bold;
font-size: 18px;
margin-right: 8px;
color: green;
}

/* Minus-Zeichen (geöffnet) */
details[open] summary::before {
content: "−";
color: red;
}
/* Nur wenn geöffnet */
details[open] {
  background-color: #eaf7ea;   /* Wunschfarbe */
  padding: 10px;
  border-radius: 6px;
}
/* Post-it Stil für dein Details-Element */
details {
  background-color: #eaf7ea;   /* Post-it Gelb */
  padding: 15px;
  border-radius: 6px;
  box-shadow: 2px 2px 6px rgba(0,0,0,0.15);
  margin-bottom: 15px;
}

/* Überschrift etwas hervorheben */
details summary {
  font-weight: bold;
  cursor: pointer;
}