.basic-tool-workspace[data-tool-route="merge-pdf"] .tool-workspace__preview { position: relative; padding: 0; }
.basic-tool-workspace[data-tool-route="merge-pdf"].has-file [data-preview-placeholder] { display: none !important; }
.basic-tool-workspace[data-tool-route="merge-pdf"] .basic-tool-preview > .merge-pdf-preview { width: 100%; max-height: none; overflow: hidden; }

.merge-pdf-preview {
  position: absolute;
  inset: 0;
  display: grid;
  min-width: 0;
  min-height: 0;
  grid-template-columns: 80px minmax(0, 1fr);
  gap: var(--space-sm);
  padding: var(--space-sm);
  overflow: hidden;
  border-radius: inherit;
  background: transparent;
}
.merge-pdf-preview[hidden] { display: none; }

.merge-pdf-thumbs,
.merge-pdf-pages {
  min-width: 0;
  min-height: 0;
  overflow-x: hidden;
  overflow-y: auto;
  overscroll-behavior: contain;
  scrollbar-gutter: stable;
}

.merge-pdf-thumbs {
  display: flex;
  flex-direction: column;
  gap: var(--space-2xs);
  padding: var(--space-3xs);
  border-radius: var(--radius-2xl);
  background: var(--surface-container);
}
.merge-pdf-thumb-item { position: relative; flex: 0 0 auto; }
.merge-pdf-thumb {
  position: relative;
  display: grid;
  width: 100%;
  min-height: 88px;
  place-items: center;
  gap: var(--space-4xs);
  padding: var(--space-3xs);
  border: var(--border-width-default) solid transparent;
  border-radius: var(--radius-lg);
  outline: 0;
  color: var(--text-primary);
  background: transparent;
  cursor: pointer;
  transition: border-color 160ms ease, background 160ms ease;
}
.merge-pdf-thumb:hover,
.merge-pdf-thumb.is-active,
.merge-pdf-thumb:focus-visible { border-color: var(--border-default-accent); background: var(--surface-card); }
.merge-pdf-thumb:focus-visible { box-shadow: 0 0 0 3px var(--component-focus-ring); }
.merge-pdf-thumb canvas {
  display: block;
  width: 100%;
  height: 58px;
  border-radius: var(--radius-sm);
  background: #fff;
  object-fit: contain;
}
.merge-pdf-thumb__number {
  position: absolute;
  top: var(--space-4xs);
  left: var(--space-4xs);
  display: grid;
  min-width: 20px;
  height: 20px;
  place-items: center;
  padding: 0 var(--space-4xs);
  border-radius: var(--radius-full);
  color: var(--brand-default-on-primary);
  background: var(--brand-default-primary);
  font-size: var(--font-size-xs);
  font-variant-numeric: tabular-nums;
}
.merge-pdf-thumb__count { color: var(--text-tertiary); font-size: var(--font-size-xs); line-height: var(--line-height-4); }

.merge-pdf-pages {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0;
  padding: var(--space-sm) var(--space-md);
  scroll-snap-type: y proximity;
  scroll-padding-block: var(--space-sm);
  border-radius: var(--radius-2xl);
  background: var(--surface-container);
}
.merge-pdf-page {
  display: grid;
  width: 100%;
  min-height: 100%;
  flex: 0 0 100%;
  grid-template-rows: minmax(0, 1fr) auto;
  place-items: center;
  gap: var(--space-2xs);
  padding-block: var(--space-2xs);
  scroll-snap-align: start;
}
.merge-pdf-page__sheet {
  position: relative;
  display: grid;
  width: min(100%, 360px);
  max-height: 100%;
  place-items: center;
  overflow: hidden;
  aspect-ratio: var(--merge-pdf-page-ratio, 210 / 297);
  border: var(--border-width-default) solid var(--border-default-muted);
  border-radius: var(--radius-sm);
  background: #fff;
  box-shadow: var(--shadow-md);
  transition: border-color 160ms ease, box-shadow 160ms ease;
}
.merge-pdf-page.is-active .merge-pdf-page__sheet { border-color: var(--border-default-accent); box-shadow: 0 0 0 2px var(--component-focus-ring), var(--shadow-md); }
.merge-pdf-page__sheet canvas { display: block; width: 100%; height: 100%; background: #fff; object-fit: contain; }
.merge-pdf-page__label {
  color: var(--text-tertiary);
  font-size: var(--font-size-xs);
  line-height: var(--line-height-4);
}

.basic-tool-workspace[data-tool-route="merge-pdf"] .merge-pdf-actions.batch-tool-actions {
  display: flex;
  flex-wrap: nowrap;
  align-items: center;
  justify-content: flex-start;
  gap: var(--space-sm);
  margin-top: 0;
}
.basic-tool-workspace[data-tool-route="merge-pdf"] .merge-pdf-actions .btn {
  width: auto;
  min-width: 0;
  flex: 0 0 auto;
  padding-inline: 14px;
  white-space: nowrap;
}
.basic-tool-workspace[data-tool-route="merge-pdf"] .merge-pdf-summary {
  margin: var(--space-sm) 0 0;
  color: var(--text-tertiary);
  font-variant-numeric: tabular-nums;
}
.basic-tool-workspace[data-tool-route="merge-pdf"] .merge-pdf-list.batch-tool-results { margin-top: var(--space-sm); }
.basic-tool-workspace[data-tool-route="merge-pdf"] .merge-pdf-row {
  gap: var(--space-sm) !important;
  padding: var(--space-2xs) var(--space-sm) !important;
  cursor: pointer;
}
.merge-pdf-row__index {
  display: grid;
  width: 24px;
  height: 24px;
  flex: 0 0 24px;
  place-items: center;
  border-radius: var(--radius-full);
  color: var(--text-secondary);
  background: var(--surface-container);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-medium);
  font-variant-numeric: tabular-nums;
}
.basic-tool-workspace[data-tool-route="merge-pdf"] .merge-pdf-row__copy {
  min-width: 0;
  flex: 1 1 auto;
}
.merge-pdf-row__name,
.merge-pdf-row__meta { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.merge-pdf-row__name { color: var(--text-primary); font-size: var(--font-size-sm); font-weight: var(--font-weight-medium); line-height: var(--line-height-5); }
.merge-pdf-row__meta { margin-top: var(--space-5xs); font-size: var(--font-size-xs) !important; line-height: var(--line-height-4) !important; }
.basic-tool-workspace[data-tool-route="merge-pdf"] .merge-pdf-row__actions {
  display: flex;
  flex: 0 0 auto;
  align-items: center;
  justify-content: flex-end;
  gap: var(--space-3xs);
  margin-inline-start: auto;
}
.merge-pdf-row-action { color: var(--text-secondary); background: var(--surface-card); }
.merge-pdf-row-action__icon {
  display: block;
  width: 16px;
  height: 16px;
  background: currentColor;
  mask: url("/assets/images/ui/tool-chevron-up.svg") center / contain no-repeat;
}
.merge-pdf-row-action--down .merge-pdf-row-action__icon { transform: rotate(180deg); }
.merge-pdf-row-remove { min-height: 32px; padding-inline: var(--space-sm); color: var(--text-secondary); background: var(--surface-card); }
.merge-pdf-row-action:hover,
.merge-pdf-row-remove:hover { color: var(--text-primary); }
.merge-pdf-row-action:focus-visible,
.merge-pdf-row-remove:focus-visible { outline: 0; box-shadow: 0 0 0 3px var(--component-focus-ring); }
.merge-pdf-warning { margin: 0 0 var(--space-md) !important; }

@media (max-width: 767px) {
  .merge-pdf-preview { grid-template-columns: 64px minmax(0, 1fr); }
  .merge-pdf-thumb { min-height: 76px; }
  .merge-pdf-thumb canvas { height: 48px; }
  .merge-pdf-pages { padding-inline: var(--space-sm); }
  .merge-pdf-row__actions { gap: var(--space-4xs); }
  .merge-pdf-row-remove { padding-inline: var(--space-2xs); }
}

/* The v2 artwork is authored to the final section ratios. Let each slot
   follow the image instead of inheriting the shared fixed media heights. */
.tool-suitability .tool-suitability-card {
  min-height: 0;
}

.tool-suitability .tool-suitability-card__media {
  height: auto;
  flex-basis: auto;
  aspect-ratio: 147 / 70;
}

.tool-effect .tool-effect-card__media {
  height: auto;
  overflow: hidden;
  aspect-ratio: 147 / 80;
}