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

.contenedor {
  display: flex;
  min-height: 100vh;
}

.contactos {
  flex: 0 0 250px;
  border-right: 1px solid #ccc;
}

.usuario {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 15px;
}

.datos-usuario {
  display: flex;
  align-items: center;
  gap: 10px;
}

.iconos {
  display: flex;
  gap: 10px;
}

.nuevo-chat {
  display: flex;
  justify-content: center;
  padding: 30px;
}

button {
  background-color: #a491d2;
  color: white;
  border: none;
  padding: 12px 35px;
}

.lista-contactos {
  display: flex;
  flex-direction: column;
}

.contacto {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px;
  border-top: 1px solid #ddd;
}

img {
  width: 40px;
  border-radius: 50%;
}

.principal {
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
}

.principal img {
  width: 180px;
  border-radius: 0;
}

h4, p {
  margin: 0;
}

p {
  color: gray;
  font-size: 12px;
}