.overlay {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background-color: rgba(0, 0, 0, 0.7);
            display: flex;
            justify-content: center;
            align-items: center;
            z-index: 1000;
        }

        .popup {
            background-color: white;
            padding: 20px;
            border-radius: 8px;
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.5);
            max-width: 500px;
            width: 80%;
        }

        .popup li {
            margin-top: 1em;
            white-space: pre-line;
            font-size: 0.8em;
        }

        .close-btn {
            background-color: var(--r);
            color: white;
            border: none;
            padding: 10px 20px;
            border-radius: 5px;
            cursor: pointer;
            font-size: 16px;
        }