.trainingseinheit-liste {
  width: 100%;
  max-width: none;   /* Begrenzung raus */
  margin: 0;         /* kein auto-center */
}


.uebung-box {
  background: #fff;
  border-radius: 10px;
  margin-bottom: 15px;
  padding: 30px;
  transition: all 0.3s ease;
  width: 100%;
  display: block;
}

.uebung-box.shadow {
  box-shadow: 0 4px 10px rgba(0,0,0,0.1);
  border: 1px solid #ccc;
}

.uebung-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  cursor: pointer;
}

.check-circle {
  width: 24px;
  height: 24px;
  border: 2px solid #F34E3A;
  border-radius: 50%;
  margin-right: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.3s, border-color 0.3s;
}

.check-circle svg {
  width: 16px;
  height: 16px;
  opacity: 0;
  transition: opacity 0.3s;
}

.check-circle.checked {
  background: #F34E3A;
  border-color: #F34E3A;
}

.check-circle.checked svg {
  opacity: 1;
}

.uebung-info strong {
  font-size: 18px;
}

.uebung-inhalt {
  display: none;
  margin-top: 10px;
}

.toggle-icon {
  font-size: 22px;
  color: #F34E3A;
  font-weight: bold;
  margin-left: auto;
}

.uebung-img img {
  max-width: 100%;
  border-radius: 6px;
}