body {
    font-family: sans-serif;
    background-color: #1a1a1a;
    color: #fff;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    margin: 0;
}

.login-container {
    background-color: #1a1a1a;
    padding: 2rem;
    border-radius: 15px;
    border: 2px dashed #444;
    text-align: center;
    width: 90%;
    max-width: 400px;
}

.logo-container .logo {
    width: 100px;
    margin-bottom: 1rem;
}

h2 {
    color: #00ff00;
    margin-bottom: 0.5rem;
}

p {
    margin-bottom: 1.5rem;
}

.input-group {
    margin-bottom: 1rem;
    text-align: left;
}

.input-group input {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid #555;
    border-radius: 5px;
    background-color: #444;
    color: #fff;
}

.btn-login {
    background-color: #ff0000;
    color: white;
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    font-size: 1rem;
    width: 100%;
}

.btn-login:hover {
    background-color: #d32f2f;
}

.button-group {
    display: flex;
    justify-content: space-between;
}

.btn-login, .btn-back {
    width: 48%;
}

.btn-back {
    background-color: #0064bb;
    color: white;
    text-align: center;
    padding: 0.75rem 1.5rem;
    border-radius: 5px;
    text-decoration: none;
}

.btn-back:hover {
    background-color: #5a6268;
}

#message {
    margin-top: 1rem;
}

@media (max-width: 480px) {
    .login-container {
        padding: 1.5rem;
    }
}