.header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

.logout-button {
    padding: 8px 15px;
    background-color: #f44336;
    color: white;
    text-decoration: none;
    border-radius: 4px;
    font-weight: bold;
}

.logout-button:hover {
    background-color: #d32f2f;
}.simple-layout {
    display: block;
    height: auto;
}

.simple-layout .file-list {
    max-width: 800px;
    margin: 0 auto;
}body {
    font-family: Arial, sans-serif;
    max-width: 1600px;
    margin: 0 auto;
    padding: 20px;
    background-color: #f5f5f5;
}

.login-container {
    background-color: white;
    padding: 30px;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    max-width: 400px;
    margin: 50px auto;
}

.login-form input {
    width: 100%;
    padding: 12px;
    margin-bottom: 15px;
    border: 1px solid #ddd;
    border-radius: 4px;
}

.login-form button {
    width