body {
  background-color: white;
  margin: 0;
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100vh;
}

.messages {
  padding: 15px;
}

.alert-danger {
  color: red;
}

.logo-container {
  display: flex;
  justify-content: center;
  align-items: center;
  margin-bottom: 50px;
  z-index: -1;
}

.logo-container img{
  width: 200px;
  height: auto;
  transform: scale(2.5);
  overflow: visible;
}

.form-container {
  background: white;
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
  width: 400px;
}
.form-container h1 {
  margin: 0;
  padding-top: 20px;
  font-size: 1.5rem;
  background-color: #004f90;
  color: white;
  text-align: center;
  margin-bottom: 20px;
}
.form-group {
  margin-bottom: 15px;
  padding-left: 20px;
  padding-right: 20px;
}
.form-group input {
  width: 100%;
  padding: 10px;
  font-size: 1rem;
  background: white;
  border: 1px solid #ccc;
  border-radius: 4px;
  box-sizing: border-box;
  position: relative;
  z-index: 10;
}

input[type="checkbox"]{
  width: unset;
}

.form-group input[type="submit"]{
  width: 100%;
  padding: 10px;
  font-size: 1rem;
  color: white;
  background-color: #004f90;
  border: none;
  border-radius: 4px;
  cursor: pointer;
  margin-bottom: 15px;
}
.form-group input[type="submit"]:hover {
  background-color: #337ab7;
  color: white;
}

.dni-hint {
    font-size: 13px;
    color: #999; /* gris claro tipo placeholder */
    margin-top: 5px;
    margin-left: 2px;
    font-style: italic;
}

.dni-hint strong {
    font-weight: 500;
    color: #aaa; /* aún más tenue que el texto normal */
}