/* Reset y estilo general */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(135deg, #1e3c72, #2a5298);
    height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
}

.login-container {
    background-color: #fff;
    padding: 40px;
    border-radius: 12px;
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.2);
    width: 100%;
    max-width: 400px;
}

.login-container h2 {
    text-align: center;
    margin-bottom: 20px;
    color: #333;
}

.message {
    background-color: #d4edda;
    color: #155724;
    padding: 10px;
    border: 1px solid #c3e6cb;
    border-radius: 6px;
    margin-bottom: 20px;
    text-align: center;
    display: <?= $message ? 'block' : 'none'; ?>;
}

form {
    display: flex;
    flex-direction: column;
}

.form-group {
    margin-bottom: 20px;
}

label {
    margin-bottom: 6px;
    font-weight: bold;
    color: #555;
    display: block;
}

input[type="text"],
input[type="password"] {
    width: 100%;
    padding: 10px;
    border: 1px solid #ccc;
    border-radius: 6px;
    font-size: 16px;
    outline: none;
}

input[type="text"]:focus,
input[type="password"]:focus {
    border-color: #2a5298;
    box-shadow: 0 0 0 2px rgba(42, 82, 152, 0.2);
}

button {
    padding: 12px;
    background-color: #2a5298;
    color: white;
    border: none;
    border-radius: 6px;
    font-size: 16px;
    cursor: pointer;
    transition: background 0.3s ease;
}

button:hover {
    background-color: #1e3c72;
}

.extra-links {
    margin-top: 15px;
    text-align: center;
    font-size: 14px;
}

.extra-links a {
    color: #2a5298;
    text-decoration: none;
}

.extra-links a:hover {
    text-decoration: underline;
}