.popup-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    padding: 20px;
    box-sizing: border-box;
}

.popup {
    background: white;
    border-radius: 8px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
    position: relative;
    max-width: 90vw;
    max-height: 90vh;
    overflow: auto;
    min-width: 300px;
}

.popup-close-button {
    position: absolute;
    top: 10px;
    right: 10px;
    background: none;
    border: none;
    font-size: 24px;
    cursor: pointer;
    color: #999;
    z-index: 1;
    width: 30px;
    height: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    transition: all 0.2s ease;
}

.popup-close-button:hover {
    background: #f0f0f0;
    color: #333;
}

.popup-content {
    padding: 20px;
}
@media (max-width: 768px) {
    .popup {
        min-width: 280px;
        margin: 10px;
    }
    
    .popup-content {
        padding: 15px;
    }
}