/* Reset de márgenes */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    font-family: Arial, sans-serif;
}

body {
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    background: #f0f2f5;
}

.login-container {
    background: #fff;
    padding: 30px 40px;
    border-radius: 10px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.2);
    width: 350px;
    text-align: center;
}

h2 {
    margin-bottom: 20px;
    color: #333;
}

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

input[type="text"],
input[type="password"] {
    padding: 10px;
    margin-bottom: 15px;
    border: 1px solid #ccc;
    border-radius: 5px;
    font-size: 14px;
}

button {
    padding: 10px;
    background-color: #4CAF50;
    color: white;
    border: none;
    border-radius: 5px;
    font-size: 16px;
    cursor: pointer;
    transition: background 0.3s;
}

button:hover {
    background-color: #45a049;
}

.error {
    color: red;
    margin-bottom: 15px;
}