.sevan-popup {
    position: fixed;
    inset: 0;
    width: fit-content;
    max-width: min(900px, calc(100vw - 32px));
    max-height: calc(100vh - 32px);
    max-height: calc(100dvh - 32px);
    padding: 0;
    margin: auto;
    border: 0;
    border-radius: 12px;
    background: #fff;
    box-shadow: 0 24px 80px rgba(0, 0, 0, .35);
    overflow: auto;
}
.sevan-popup::backdrop { background: rgba(0, 0, 0, .72); }
.sevan-popup:not([open]) { display: none; }
.sevan-popup-image {
    display: block;
    width: auto;
    height: auto;
    max-width: 100%;
    max-height: calc(100vh - 32px);
    max-height: calc(100dvh - 32px);
    object-fit: contain;
}
.sevan-popup-close {
    position: absolute;
    top: 10px;
    right: 10px;
    display: grid;
    place-items: center;
    width: 40px;
    height: 40px;
    padding: 0;
    border: 1px solid #ddd;
    border-radius: 50%;
    color: #171c22;
    background: #fff;
    font-size: 30px;
    line-height: 1;
    cursor: pointer;
}
.sevan-popup-close:hover { background: #f2f2f2; }
.sevan-popup-close:focus-visible { outline: 3px solid #d71920; outline-offset: 2px; }
html.sevan-popup-open { overflow: hidden; }