body {
  font-family: "Segoe UI", sans-serif;
  background: #f6f0ff;
  color: #3b1d5f;
  margin: 0;
  padding: 20px;
}

h1 {
  text-align: center;
  margin-bottom: 20px;
}

.progress-container {
  width: 80%;
  margin: 0 auto 30px;
  background: #ddd;
  border-radius: 20px;
  overflow: hidden;
}

#progress-bar {
  height: 30px;
  width: 0%;
  background: linear-gradient(90deg, #c084fc, #a855f7);
  text-align: center;
  line-height: 30px;
  color: white;
  font-weight: bold;
  transition: width 0.3s;
}

.semestre {
  margin-bottom: 30px;
}

.semestre h2 {
  margin-bottom: 10px;
  color: #6b21a8;
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 15px;
}

.ramo {
  padding: 15px;
  background: #e9d5ff;
  border-radius: 12px;
  cursor: pointer;
  text-align: center;
  transition: all 0.2s;
  user-select: none;
}

.ramo:hover {
  transform: scale(1.03);
}

.ramo.aprobado {
  background: #a855f7;
  color: white;
  text-decoration: line-through;
}

.ramo.bloqueado {
  background: #d8b4fe;
  opacity: 0.4;
  cursor: not-allowed;
}