body {
    font-family: Arial, sans-serif;
    background: #f5f5f5;
    margin: 0;
    padding: 0;
}

.login-box {
    background: white;
    padding: 30px;
    border-radius: 15px;
    box-shadow: 0 0 15px rgba(0,0,0,0.2);
    max-width: 400px;
    margin: 100px auto;
}

h2 {
    text-align: center;
    color: #3b3937;
}

input[type="text"], input[type="password"] {
    width: 100%;
    padding: 12px;
    margin: 10px 0;
    border: 1px solid #ccc;
    border-radius: 8px;
}

button {
    width: 100%;
    padding: 12px;
    background-color: #3b3937;
    color: white;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    font-weight: bold;
}

button:hover {
    background-color: #2c2a29;
}

.error {
    color: red;
    text-align: center;
}

.container {
    max-width: 700px;
    margin: 50px auto;
    background: white;
    padding: 30px;
    border-radius: 15px;
    box-shadow: 0 0 10px rgba(0,0,0,0.1);
}

p {
    text-align: center;
    font-weight: bold;
}

a.logout {
    display: block;
    text-align: center;
    margin-bottom: 20px;
    color: #f29020;
    text-decoration: none;
}

ul {
    list-style: none;
    padding: 0;
}

li {
    margin: 10px 0;
}

a.menu-link {
    display: block;
    background: #f29020;
    color: white;
    padding: 12px;
    border-radius: 8px;
    text-align: center;
    font-weight: bold;
    text-decoration: none;
}

a.menu-link:hover {
    background: #d57814;
}

@media(max-width: 600px) {
    .login-box, .container {
        padding: 20px;
    }

    input, button, a.menu-link {
        font-size: 16px;
    }
}