/* Light Mode Styles */
        [data-theme="light"] {
            --background-color: #f2f2f2;
            --text-color: #333333;
            --header-background-color: #ffffff;
            --menu-background-color: #ffffff;
            --footer-background-color: #ffffff;
            --border-color: #ccc;
        }

        /* Dark Mode Styles */
        [data-theme="dark"] {
            --background-color: #1f1f1f;
            --text-color: #ffffff;
            --header-background-color: #333333;
            --menu-background-color: #333333;
            --footer-background-color: #333333;
            --border-color: #555555;
        }

        body {
            margin: 0;
            padding: 0;
            font-family: Arial, sans-serif;
            background-color: var(--background-color);
            color: var(--text-color);
            display: flex;
            flex-direction: column;
            min-height: 100vh;
        }
        header {
            background-color: var(--header-background-color);
            padding: 0px 20px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            box-shadow: 0px 2px 4px rgba(0, 0, 0, 0.1);
        }
        .logo {
            margin-right: auto;
        }
        .toggle-container {
            display: flex;
            align-items: center;
            margin-left: auto;
        }
        .toggle-label {
            margin-right: 10px;
        }
        .toggle-switch {
            position: relative;
            display: inline-block;
            width: 40px;
            height: 20px;
        }
        .toggle-switch input {
            opacity: 0;
            width: 0;
            height: 0;
        }
        .toggle-slider {
            position: absolute;
            cursor: pointer;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background-color: #ccc;
            transition: .4s;
            border-radius: 20px;
        }
        .toggle-slider:before {
            position: absolute;
            content: "";
            height: 16px;
            width: 16px;
            left: 2px;
            bottom: 2px;
            background-color: white;
            transition: .4s;
            border-radius: 50%;
        }
        input:checked + .toggle-slider {
            background-color: #4CAF50;
        }
        input:checked + .toggle-slider:before {
            transform: translateX(20px);
        }
        .login {
            display: flex;
            align-items: center;
        }
        .login form {
            display: flex;
            align-items: center;
        }
        .login form input[type="text"],
        .login form input[type="password"] {
            margin-right: 10px;
            padding: 5px;
            border: 1px solid var(--border-color);
            border-radius: 3px;
        }
        .login form .button {
            padding: 5px 10px;
            border: none;
            border-radius: 3px;
            background-color: #4CAF50;
            color: white;
            cursor: pointer;
        }
        .main {
            display: flex;
            flex: 1;
        }
        .menu {
            background-color: var(--menu-background-color);
            width: 200px;
            padding: 20px;
            box-shadow: 2px 0px 4px rgba(0, 0, 0, 0.1);
        }
        .menu .linkbutton {
            display: block;
            margin-bottom: 10px;
            padding: 5px 10px;
            color: var(--text-color);
            text-decoration: none;
            border-radius: 3px;
            transition: background-color 0.3s ease;
            border: 1px solid var(--border-color);
        }
        .menu .linkbutton:hover {
            background-color: #f2f2f2;
        }
        .content {
            flex: 1;
            padding: 20px;
        }
        footer {
            background-color: var(--footer-background-color);
            padding: 10px 20px;
            margin-top: auto;
            text-align: center;
            box-shadow: 0px -2px 4px rgba(0, 0, 0, 0.1);
        }
        .spacer {
            flex-grow: 1;
        }
        
        .logout-button {
            padding: 5px 10px;
            border: none;
            border-radius: 3px;
            background-color: #4CAF50;
            color: white;
            cursor: pointer;
            text-decoration: none; /* Remove underline */
            display: inline-block; /* Ensure it behaves like a button */
            margin-left: 10px; /* Adjust margin as needed */
        }
        .logout-button:hover {
            background-color: #45a049; /* Darken color on hover */
        }