/* Online-Gruppen Layout */
.online-gruppen {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: flex-start;
  gap: 20px;
  padding: 20px;
  box-sizing: border-box;
  width: 100%;
  overflow: hidden; /* verhindert Überschreiten auf Mobile */
}

/* Info-Box */
.online-gruppen .info-box {
  background-color: var(--inner-bg);
  color: var(--accent-color);
  padding: 20px;
  border-radius: 6px;
  width: 100%;
  max-width: 650px;
  box-sizing: border-box;
  line-height: 1.5;
  box-shadow: 0 4px 8px rgba(0,0,0,.05);
  flex: 1 1 100%; /* auf Mobile volle Breite */
  transition: all 0.4s ease;
}

/* Toggle Button */
/* Info-Box Buttons */
.toggle-btn,
.signup-btn {
  background: var(--primary-color);
  color: #fff;
  border: 1px solid transparent;
  padding: 8px 16px;
  border-radius: 4px;
  font-weight: bold;
  cursor: pointer;
  margin: 5px 5px 10px 0;
  transition: all 0.2s ease;
  text-decoration: none;
  display: inline-block;
  font-size: 0.85em;
}

.toggle-btn:hover,
.signup-btn:hover {
  background: #f4f2e5;
  color: #404986;
  border: 1px solid #f2871d;
  text-decoration: none;
}


/* Aufklappbarer Text */
.online-gruppen .collapsible-text {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.5s ease;
}

.online-gruppen .collapsible-text.open {
  max-height: 3000px; /* ausreichend für lange Inhalte */
}

.online-gruppen .collapsible-text p,
.online-gruppen .collapsible-text ul {
  margin-bottom: 1em;
}

/* Custom Select / Dropdown */
.custom-select {
  position: relative;
  width: 100%;
}

.selected-option {
  background-color: #fff;
  color: #404986;
  padding: 10px 40px 10px 14px;
  border-radius: 8px;
  border: 1px solid #ccc;
  cursor: pointer;
  position: relative;
}

.selected-option::after {
  content: "";
  position: absolute;
  top: 50%;
  right: 14px;
  width: 0;
  height: 0;
  transform: translateY(-50%);
  border-left: 6px solid transparent;
  border-right: 6px solid transparent;
  border-top: 6px solid #f2871d;
}

.custom-select.open .options {
  display: block;
}

.options {
  position: absolute;
  top: 100%;
  left: 0;
  width: 100%;
  background-color: #fff;
  color: #404986;
  list-style: none;
  margin: 4px 0 0;
  padding: 0;
  border-radius: 8px;
  display: none;
  z-index: 1000;
  box-shadow: 0 4px 8px rgba(0,0,0,0.1);
  overflow: hidden;
}

.options li {
  padding: 10px 14px;
  cursor: pointer;
  border-bottom: 2px solid #404986;
  background-color: #fff;
  transition: background-color 0.2s ease, color 0.2s ease;
}

.options li:last-child {
  border-bottom: none;
}

.options li:hover {
  background-color: var(--secondary-color);
  color: var(--primary-color);
}

/* Gruppenauswahl in zwei Spalten */
.checkbox-group.group-selection {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 8px 16px;
}

.checkbox-group.group-selection label {
  display: flex;
  align-items: center;
  gap: 6px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid #ccc;
  border-radius: 6px;
  padding: 6px 10px;
  transition: all 0.2s ease-in-out;
}

.checkbox-group.group-selection label:hover {
  border-color: #d9862e;
  background: rgba(217, 134, 46, 0.1);
}

.checkbox-group.group-selection input[type="radio"] {
  accent-color: #d9862e;
}

/* Mobile Anpassungen */
@media (max-width: 600px) {
  .online-gruppen {
    flex-direction: column;
    gap: 15px;
    padding: 15px;
  }

  .online-gruppen .info-box {
    width: 100%;       /* volle Breite innerhalb von main */
    max-width: 100%;   /* kein Überschreiten */
    padding: 15px;     /* kompakter auf Mobile */
    flex: 1 1 auto;    /* flexible Höhe */
  }

  .toggle-btn {
    padding: 8px 14px;
    font-size: 0.85em;
  }
}