/* Popup tersembunyi default */
                    .popup {
                        display: none;
                        position: fixed;
                        z-index: 1000;
                        left: 0;
                        top: 0;
                        width: 100%;
                        height: 100%;
                        background: rgba(0, 0, 0, 0.5);
                        animation: adonanCoklatTumpah 0.6s ease;
                    }

                    /* Isi popup */
                    .popup-content {
                        position: relative;
                        background: #fff;
                        padding: 20px;
                        border-radius: 12px;
                        width: 260px;
                        margin: 12% auto;
                        text-align: center;
                        box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
                        animation: fadeIn 0.3s ease-in-out;
                    }

                    /* Tombol X */
                    .close-btn {
                        position: absolute;
                        top: 10px;
                        right: 12px;
                        font-size: 20px;
                        font-weight: bold;
                        color: #666;
                        cursor: pointer;
                        transition: color 0.3s;
                    }

                    .close-btn:hover {
                        color: #ff6600;
                    }

                    .popup-content h3 {
                        margin: 10px 0 15px;
                        font-size: 18px;
                    }

                    .popup-content ul {
                        list-style: none;
                        padding: 0;
                        margin: 0;
                    }

                    .popup-content li {
                        margin: 12px 0;
                    }

                    .popup-content a {
                        text-decoration: none;
                        color: #333;
                        font-weight: bold;
                        transition: color 0.3s;
                    }

                    .popup-content a:hover {
                        color: #ff6600;
                    }

                    @keyframes fadeIn {
                        from {
                            opacity: 0;
                            transform: scale(0.9);
                        }

                        to {
                            opacity: 1;
                            transform: scale(1);
                        }
                    }