* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: Arial, sans-serif;
    background-color: #f0f2f5;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
}

.container {
    background-color: #ffffff;
    padding: 30px;
    border-radius: 8px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
    max-width: 400px;
    width: 100%;
    text-align: center;
}

h1 {
    margin-bottom: 20px;
    color: #333;
}

input[type="text"],
input[type="password"] {
    width: 100%;
    padding: 12px;
    margin-bottom: 15px;
    border: 1px solid #ccc;
    border-radius: 5px;
    font-size: 16px;
}

button {
    width: 100%;
    padding: 12px;
    margin-top: 10px;
    background-color: #007bff;
    color: #fff;
    border: none;
    border-radius: 5px;
    font-size: 16px;
    cursor: pointer;
    transition: background-color 0.3s ease;
}

button:hover {
    background-color: #0056b3;
}

button.protected-btn,
button.logout-btn {
    display: none;
    background-color: #28a745;
}

button.protected-btn:hover,
button.logout-btn:hover {
    background-color: #218838;
}

.logout-btn {
    background-color: #dc3545;
}

.logout-btn:hover {
    background-color: #c82333;
}

.message {
    margin-top: 15px;
    color: #ff0000;
    font-size: 14px;
}