:root {
  --line-border-fill: #3498db;
  --line-border-empty: #e0e0e0;
}

.line {
  background-color: var(--line-border-empty); /* Colore di default per la linea */
  height: 10px;
  flex-grow: 1; /* Permette alla linea di riempire lo spazio disponibile */
  position: relative;
  top: 31px; /* Alinea la linea verticalmente al centro dei cerchi */
}

.line.active {
  background-color: var(--line-border-fill); /* Colore per la linea attiva */
}

.progress-container {
  display: flex;
  justify-content: space-between;
  position: relative;
  margin-bottom: 30px;
  max-width: 100%;
  width: 100%;
}

.progress-container::before {
  content: "";
  background-color: var(--line-border-empty);
  position: absolute;
  top: 50%;
  left: 0;
  transform: translateY(-50%);
  height: 10px;
  width: 100%;
  z-index: -1;
}

.circle {
  background-color: #fff;
  color:black;
  border-radius: 50%;
  height: 70px;
  width: 70px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 8px solid var(--line-border-empty);
}

.circle.active {
  border: 8px solid var(--line-border-fill);
  color:#3498db;
  /* border-color: var(--line-border-fill); */
  /* background-color: var(--line-border-fill); */
}