/* PDF-Vorschau: iframe füllt den Container (Flex-sicher) */
.doc-preview-pdf-host {
    flex: 1 1 auto;
    min-height: 0;
    min-width: 0;
    position: relative;
    overflow: hidden;
}

.doc-preview-pdf-host > iframe.doc-preview-pdf-frame {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border: none;
    display: block;
    z-index: 1;
    background: #fff;
}

.doc-preview-pdf-host > iframe.doc-preview-pdf-frame.is-hidden-for-image {
    visibility: hidden;
    pointer-events: none;
    z-index: 0;
}

/* Bild-Vorschau: Overlay über dem PDF-iframe */
.doc-preview-image-wrap {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    display: none;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    padding: 12px;
    box-sizing: border-box;
    z-index: 5;
    background: #f1f5f9;
}

.doc-preview-image-wrap.is-visible {
    display: flex;
}

.doc-preview-image {
    display: block;
    flex: 0 0 auto;
    object-fit: contain;
    object-position: center center;
    box-shadow: 0 1px 4px rgba(15, 23, 42, 0.12);
    border-radius: 4px;
    background: #fff;
    max-width: calc(100% - 4px);
    max-height: calc(100% - 4px);
    width: auto;
    height: auto;
}

/* Schnellvorschau-Panel (kein Tailwind-Flex auf Host) */
#quick-pdf-viewer.doc-preview-pdf-host {
    flex: 1 1 auto;
    min-height: 0;
    background: #f1f5f9;
}