.popup-overlay {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: rgba(0, 0, 0, 0.5);
            display: flex;
            justify-content: center;
            align-items: center;
            opacity: 0;
            visibility: hidden;
            transition: opacity 0.3s ease-in-out;
            z-index: 999;
        }
        .popup-content {
            background: #fff;
            max-width: 800px;
            width : 100%;
            padding: 20px;
            border-radius: 8px;
            box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
            position: relative;
        }
        .popup-header {
            font-size: 2rem;
            font-weight: bold;
            margin-bottom: 10px;
        }
        .popup-body {
            max-height: 300px;
            overflow-y: auto;
            padding: 10px;
            border: 1px solid #ddd;
            border-radius: 4px;
            background: #f9f9f9;
            font-size: 1.8rem;
            line-height : 1.5;
        }
        .popup-close {
            position: absolute;
            top: 10px;
            right: 10px;
            cursor: pointer;
            font-size: 18px;
            border: none;
            background: none;
        }
        .popup-show {
            visibility: visible;
            opacity: 1;
        }