/* PnPBooklet-only styles. The shared base lives in style.css (synced from the hub). */

/* ---- Additive: PnPBooklet sheet-preview wrapper ------------------------- */
/* Not part of the shared component set above; a plain white "sheet" card
   used to frame the single generated preview canvas, floating on the dark
   .preview-canvas-container background (pages are white in the final PDF). */

.preview-page {
    background: #fff;
    box-shadow: 0 4px 24px var(--shadow);
    border-radius: 4px;
}

.preview-page canvas {
    display: block;
    box-shadow: none;
    background: none;
}

/* ---- PnPBooklet: page strip, preview navigation --------------------------- */

.panel[hidden] {
    display: none;
}

.page-strip {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(56px, 1fr));
    gap: 8px;
    margin-top: 10px;
    max-height: 260px;
    overflow-y: auto;
}

.page-thumb {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 4px;
    border-radius: 6px;
    border: 1px solid var(--border);
    background: var(--surface2);
    cursor: grab;
}

.page-thumb.dragging {
    opacity: 0.4;
}

.page-thumb.drop-target {
    border-color: var(--accent);
    box-shadow: 0 0 0 1px var(--accent);
}

.page-thumb canvas {
    display: block;
    background: #fff;
}

.page-thumb-num {
    font-size: 0.68rem;
    color: var(--text-dim);
    margin-top: 2px;
}

.page-thumb-actions {
    position: absolute;
    top: 2px;
    right: 2px;
    display: none;
    gap: 2px;
}

.page-thumb:hover .page-thumb-actions,
.page-thumb:focus-within .page-thumb-actions {
    display: flex;
}

.page-thumb-actions button {
    width: 18px;
    height: 18px;
    padding: 0;
    border-radius: 4px;
    font-size: 0.65rem;
    background: rgba(15, 17, 23, 0.85);
    color: var(--text);
}

.page-thumb-actions button:hover {
    background: var(--accent);
}

.preview-stack {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    width: 100%;
}

.preview-nav {
    display: flex;
    align-items: center;
    gap: 12px;
    color: var(--text-dim);
    font-size: 0.8rem;
}

.preview-nav .btn-small {
    padding: 4px 12px;
    font-size: 1rem;
}