body {
  font-family: 'Segoe UI', sans-serif;
  background-color: #ffffff;
  margin: 0;
  padding: 0;
}

.barra-superior {
  background-color: #003366;
  padding: 20px 0;
}

.contenedor-barra {
  width: 90%;
  margin: auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo img {
  height: 50px;
}

.nav-barra a {
  color: white;
  text-decoration: none;
  margin-left: 20px;
}

.container {
  width: 90%;
  max-width: 400px;
  margin: 40px auto;
  background-color: #f8faff;
  border: 1px solid #ccc;
  border-radius: 12px;
  padding: 30px;
  text-align: center;
}

input {
  width: 100%;
  padding: 10px;
  margin-top: 12px;
  border: 1px solid #999;
  border-radius: 8px;
}

button {
  margin-top: 15px;
  padding: 10px 20px;
  background-color: #003366;
  color: white;
  border: none;
  border-radius: 6px;
  cursor: pointer;
}

button:hover {
  background-color: #00509e;
}

hr {
  margin: 20px 0;
}

#mensaje {
  margin-top: 15px;
  color: red;
}