/* Sized in rem (root font = --font-size-base), like all shell chrome. */

.document-viewer {
    position: relative;
    height: 100%;
    overflow: hidden;
    background: var(--color-darker-background);
}

/* The browser's built-in PDF renderer draws the pages; the theme owns
   everything around it. */
.document-viewer-frame {
    display: block;
    width: 100%;
    height: 100%;
    border: none;
}

/* <object> fallback content, shown only where PDFs can't render inline. */
.document-viewer-fallback {
    height: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    text-align: center;
    padding: 1.5rem;
    color: var(--color-dark-foreground);
}

.document-viewer-fallback p {
    margin: 0;
}

.document-viewer-fallback-icon {
    font-size: 4rem;
    color: var(--color-muted);
}

.document-viewer-fallback-text {
    color: var(--color-foreground);
}

.document-viewer-fallback-link {
    margin-top: 0.5rem;
    padding: 0.5rem 0.8333rem;
    color: var(--color-accent);
    border: var(--border-width) solid var(--color-accent);
    border-radius: var(--radius);
    text-decoration: none;
}

.document-viewer-fallback-link:hover {
    background: var(--color-selection);
    color: var(--color-bright-foreground);
}

/* Empty state: the way in. A visible button, with drag-drop and `o`
   as the faster paths once known. */
.document-viewer-empty {
    position: absolute;
    inset: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    text-align: center;
    padding: 1.5rem;
    color: var(--color-dark-foreground);
}

.document-viewer-empty p {
    margin: 0;
}

.document-viewer-empty-icon {
    font-size: 4rem;
    color: var(--color-muted);
}

.document-viewer-empty-text {
    color: var(--color-foreground);
}

.document-viewer-open {
    margin-top: 0.5rem;
    padding: 0.5rem 1.3333rem;
    border: var(--border-width) solid var(--color-accent);
    border-radius: var(--radius);
    background: none;
    font-family: var(--font-mono);
    font-size: 1rem;
    color: var(--color-accent);
    cursor: pointer;
}

.document-viewer-open:hover {
    background: var(--color-selection);
    color: var(--color-bright-foreground);
}

.document-viewer-empty-hint {
    font-size: 0.9167rem;
}

/* The info strip: filename left, position right — like the image
   viewer's imv overlay. */
.document-viewer-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    padding: 0.3333rem 0.8333rem;
    background: color-mix(in srgb, var(--color-background) 80%, transparent);
    color: var(--color-foreground);
    font-size: 1rem;
    pointer-events: none;
}

.document-viewer-name {
    min-width: 0;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.document-viewer-meta {
    flex: none;
    margin-left: auto;
    color: color-mix(in srgb, var(--color-foreground) 65%, transparent);
}

/* The one clickable thing on the otherwise inert overlay strip. */
.document-viewer-overlay-open {
    flex: none;
    padding: 0 0.3333rem;
    border: none;
    background: none;
    font-family: var(--font-mono);
    font-size: 1.1667rem;
    color: var(--color-foreground);
    cursor: pointer;
    pointer-events: auto;
}

.document-viewer-overlay-open:hover {
    color: var(--color-accent);
}