.x-modal-overlay {
            display: none;
            position: fixed;
            top: 0; left: 0;
            width: 100%; height: 100%;
            background: rgba(0,0,0,0.8);
            z-index: 1000;
        }
        
        .x-modal-container {
            position: absolute;
            top: 50%; left: 50%;
            transform: translate(-50%, -50%);
            width: 80%;
            height: 85%;
            background: white;
            border-radius: 10px;
            overflow: hidden;
        }
        
        .x-modal-header {
            background: #343a40;
            color: white;
            padding: 10px 15px;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        
        .x-modal-body {
            height: calc(100% - 50px);
        }
        
        .x-modal-iframe {
            width: 100%;
            height: 100%;
            border: none;
        }
        
        .x-close-modal {
            background: #dc3545;
            color: white;
            border: none;
            border-radius: 3px;
            padding: 5px 10px;
            cursor: pointer;
        }
        
        .x-btn-enlace {
            display: block;
            margin: 10px;
            padding: 12px 20px;
            background: #28a745;
            color: white;
            text-decoration: none;
            border-radius: 5px;
            text-align: center;
            cursor: pointer;
        }