/* Modern Popup Styles */
#popup {
    display: flex;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.6);
    z-index: 1000;
    justify-content: center;
    align-items: center;
    transition: opacity 0.3s ease;
}

#popup.hidden {
    opacity: 0;
    pointer-events: none;
}

#popup .popup-inner {
    background: #fff;
    border-radius: 0.5rem;
    box-shadow: 0 0.5rem 1.5rem rgba(0,0,0,0.15);
    width: 90%;
    max-width: 500px;
    overflow: hidden;
    animation: popupFade 0.5s ease-out;
}

@keyframes popupFade {
    from {
        transform: translateY(-20px);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

#popup .popup-header, 
#popup .popup-footer {
    padding: 1rem;
    background: #f4f4f4;
}

#popup .popup-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

#popup .popup-header h2 {
    margin: 0;
    font-size: 1.25rem;
    color: #333;
}

#popup .popup-header button.close {
    background: transparent;
    border: none;
    font-size: 1.25rem;
    cursor: pointer;
}

#popup .popup-body {
    padding: 1rem;
    color: #555;
    line-height: 1.5;
}