body {
            font-family: 'El Messiri', sans-serif;
            transition: background 0.3s ease, color 0.3s ease;
        }
        .blur-bg {
            backdrop-filter: blur(10px);
            background-color: rgba(255, 255, 255, 0.05);
        }
        .glass-effect {
            background: rgba(255, 255, 255, 0.1);
            backdrop-filter: blur(10px);
            border-radius: 10px;
            border: 1px solid rgba(255, 255, 255, 0.1);
            transition: background 0.3s ease;
        }
        .theme-icon {
            cursor: pointer;
            transition: transform 0.2s ease;
        }
        .theme-icon:hover {
            transform: scale(1.1);
        }
        /* User icon styling */
        .user-icon {
            position: fixed;
            left: 15px;
            top: 15px;
            z-index: 50;
            cursor: pointer;
            background: rgba(0, 0, 0, 0.7);
            padding: 10px;
            border-radius: 50%;
            color: white;
            transition: transform 0.2s ease;
        }
        .user-icon:hover {
            transform: scale(1.1);
        }
        /* Popup Styling */
        .popup {
            display: none;
            position: fixed;
            left: 50px;
            top: 50px;
            background: rgba(255, 255, 255, 0.9);
            color: black;
            padding: 10px;
            border-radius: 8px;
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
            width: 180px;
            text-align: center;
        }