body {
    margin: 0;
    font-family: Arial, sans-serif;
    background: #000;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
}

.login-container {
    background: #111;
    padding: 20px;
    width: 280px;
    border-radius: 5px;
}

h2 {
    color: #fff;
    text-align: center;
}

label {
    color: #fff;
    font-size: 14px;
}

input {
    width: 100%;
    margin: 10px 0;
    padding: 8px;
    background: #222;
    border: none;
    color: #fff;
}

button {
    width: 100%;
    padding: 8px;
    background: #444;
    color: #fff;
    border: none;
}

.error {
    color: red;
    font-size: 13px;
    text-align: center;
}