body {
  margin: 0;
  font-family: Arial, sans-serif;
}

.layout-container {
  display: flex;
  height: 100vh;
}

.sidebar {
  width: 250px;
  background-color: #1f2937; /* gris oscuro */
  color: #fff;
  padding: 1rem;
  overflow-y: auto;
}

.main-content {
  flex-grow: 1;
  display: flex;
  flex-direction: column;
}

.main-header,
.main-footer {
  background-color: #f3f4f6; /* gris claro */
  padding: 1rem;
  text-align: center;
}

.main-container {
  flex-grow: 1;
  padding: 0px;
  background-color: #fff;
  overflow-y: auto;
}