/* 기본 스타일 */
body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    background-color: #f4f4f4;
}

.main-content {
    padding: 20px;
    text-align: center;
}

/* 팝업 오버레이 스타일 */
.popup-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.7);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 1000; /* 다른 요소 위에 표시되도록 함 */
}

.popup-content {
    background: #f0f0f0;
    padding: 30px;
    border-radius: 10px;
    text-align: center;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
    max-width: 500px;
    animation: fadeIn 0.5s ease-in-out;
}

.popup-content h2 {
    color: #333;
    margin-top: 0;
}

.popup-content p {
    color: #666;
    line-height: 1.6;
}

#close-popup {
    background-color: #007bff;
    color: white;
    border: none;
    padding: 10px 20px;
    border-radius: 5px;
    cursor: pointer;
    margin-top: 15px;
    transition: background-color 0.3s;
}

#close-popup:hover {
    background-color: #0056b3;
}

/* 팝업 애니메이션 */
@keyframes fadeIn {
    from { opacity: 0; transform: scale(0.9); }
    to { opacity: 1; transform: scale(1); }
}