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

  background: #f5f7fb;

  display: flex;
  justify-content: center;
  align-items: center;

  height: 100vh;
}

.card {
  width: 430px;

  background: white;

  border-radius: 18px;

  box-shadow: 0 15px 35px rgba(0, 0, 0, 0.12);

  padding: 40px;
}

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

.logo img {
  height: 70px;
}

h1 {
  text-align: center;
  color: #003975;

  margin-bottom: 10px;
}

.descripcion {
  color: #666;
  text-align: center;
  line-height: 1.5;
  margin-bottom: 30px;
}

.input-group {
  margin-bottom: 25px;
}

.input-group label {
  display: block;
  margin-bottom: 8px;
  font-weight: bold;
}

.input-group input {
  width: 100%;
  padding: 14px;

  border: 1px solid #ddd;

  border-radius: 10px;

  box-sizing: border-box;

  font-size: 15px;
}

.input-group input:focus {
  outline: none;

  border-color: #003975;
}

.btn {
  width: 100%;

  padding: 15px;

  border: none;

  border-radius: 10px;

  background: #003975;

  color: white;

  font-size: 16px;

  cursor: pointer;

  transition: 0.3s;
}

.btn:hover {
  background: #002f62;
}

.footer {
  margin-top: 30px;
  text-align: center;
}

.footer a {
  color: #003975;
  text-decoration: none;
  font-weight: bold;
}

.success {
  background: #d4edda;

  color: #155724;

  padding: 15px;

  border-radius: 10px;

  margin-bottom: 20px;
}

.error {
  background: #f8d7da;

  color: #721c24;

  padding: 15px;

  border-radius: 10px;

  margin-bottom: 20px;
}