body {
  font-family: Arial, sans-serif;
  background-color: #fff0f5;
  margin: 0;
  padding: 20px;
}

h1 {
  font-family: 'Poppins', sans-serif;
  font-weight: 700;
  color: #c2185b;
  text-align: center;
  margin-bottom: 40px;
}

.malla-grid {
  display: flex;
  gap: 30px;
  overflow-x: auto;
  padding: 10px 0 20px 10px;
  justify-content: flex-start;
  scroll-snap-type: x proximity;
}

.semestre {
  scroll-snap-align: start;
  min-width: 220px;
  background-color: #ffe4ec;
  border: 2px solid #f48fb1;
  border-radius: 10px;
  padding: 15px;
  box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
}

.semestre h2 {
  text-align: center;
  color: #ad1457;
  font-size: 1.1em;
  margin-bottom: 12px;
  border-bottom: 1px solid #f8bbd0;
  padding-bottom: 6px;
}

.ramo {
  background: linear-gradient(145deg, #f8bbd0, #ec9fb9);
  border: 1px solid #c2185b;
  border-radius: 8px;
  padding: 12px;
  margin-bottom: 10px;
  text-align: center;
  cursor: pointer;
  color: #880e4f;
  font-weight: 600;
  box-shadow: 4px 4px 8px #c28aa2, -4px -4px 8px #ffcee1;
  transition: all 0.3s ease;
  user-select: none;
}

.ramo:hover {
  background: linear-gradient(145deg, #f48fb1, #e47c9d);
  box-shadow: 6px 6px 10px #b67288, -6px -6px 10px #ffbed4;
  color: #5c0040;
  transform: translateY(-3px);
}

.ramo:active {
  box-shadow: inset 3px 3px 5px #b67288, inset -3px -3px 5px #ffbed4;
  transform: translateY(1px);
}

.ramo.bloqueado {
  background-color: #f3f3f3;
  color: #999;
  border-style: dashed;
  cursor: not-allowed;
  box-shadow: none;
  background: none;
}

.ramo.aprobado {
  background: linear-gradient(145deg, #720a3d, #5c0035) !important;
  color: #f8bbd0;
  border-color: #3b0024;
  text-decoration: line-through;
  font-style: italic;
  box-shadow: 4px 4px 8px #c28aa2, -4px -4px 8px #ffcee1;
}


.ramo.dragging {
  opacity: 0.5;
  transform: rotate(2deg);
}

#agregar-semestre {
  margin: 20px auto;
  display: block;
  padding: 10px 20px;
  font-size: 1em;
  background-color: #c2185b;
  color: white;
  border: none;
  border-radius: 6px;
  cursor: pointer;
}

#agregar-semestre:hover {
  background-color: #ad1457;
}