.portal-popup-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background-color: rgba(0, 0, 0, 0.75);
    z-index: 999999;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1rem;
    animation: fadeInPopup 0.3s ease-out forwards;
}

.portal-popup-container {
    position: relative;
    max-width: 600px;
    width: 100%;
    background: #fff;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.3);
}

.portal-popup-close {
    position: absolute;
    top: 10px;
    right: 10px;
    background: rgba(0, 0, 0, 0.7);
    color: #fff;
    border: none;
    border-radius: 50%;
    width: 32px;
    height: 32px;
    font-size: 16px;
    cursor: pointer;
    z-index: 10;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.2s;
}

.portal-popup-close:hover {
    background: rgba(0, 0, 0, 0.9);
}

.portal-popup-link img {
    width: 100%;
    height: auto;
    display: block;
    max-height: 80vh;
    object-fit: contain;
}

@keyframes fadeInPopup {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}