body[data-legacy-shell='true'].pdf-studio-page {
  margin: 0;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background: var(--cl-primary-subtle);
  color: var(--cl-text);
}

.pdf-studio {
  width: 100%;
}

.pdf-studio__toolnav {
  background: var(--cl-surface);
  border: 1px solid var(--cl-border);
  border-radius: var(--radius-card);
  padding: var(--space-md);
  display: grid;
  gap: var(--space-md);
}

.pdf-studio__toolnav h2 {
  margin: 0;
  font-size: 1.1rem;
}

.pdf-studio__tool-description {
  margin: 0;
  font-size: 0.9rem;
  color: var(--cl-text-muted);
}

.pdf-studio__tool-list {
  display: grid;
  gap: 0.45rem;
}

.pdf-studio__tool-button {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border: 1px solid var(--cl-border);
  border-radius: var(--radius);
  background: var(--cl-surface);
  color: var(--cl-text);
  font: 500 0.9rem/1.2 var(--font-body);
  padding: 0.6rem 0.7rem;
  cursor: pointer;
  text-align: left;
}

.pdf-studio__tool-button:hover {
  border-color: var(--cl-primary);
  background: color-mix(in oklab, var(--cl-primary-subtle), white 45%);
}

.pdf-studio__tool-button.is-active {
  border-color: var(--cl-primary);
  background: color-mix(in oklab, var(--cl-primary-subtle), white 20%);
  color: var(--cl-primary);
}

.pdf-studio__workspace {
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
}

.pdf-tool-toolbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-sm);
}

.pdf-tool-toolbar .toolbar-spacer {
  flex: 1;
}

.pdf-selection-summary {
  font-size: 0.88rem;
  color: var(--cl-text-muted);
}

.pdf-thumb-board {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(148px, 1fr));
  gap: var(--space-md);
  max-height: 520px;
  overflow: auto;
  padding-right: 0.25rem;
}

.pdf-thumb-tile {
  border: 1px solid var(--cl-border);
  border-radius: var(--radius-card);
  background: var(--cl-surface);
  padding: var(--space-sm);
  display: grid;
  gap: var(--space-xs);
  cursor: pointer;
  position: relative;
}

.pdf-thumb-tile.is-selected {
  border-color: var(--cl-primary);
  box-shadow: inset 0 0 0 1px color-mix(in oklab, var(--cl-primary), white 45%);
}

.pdf-thumb-tile.is-deleted {
  opacity: 0.45;
}

.pdf-thumb-tile canvas {
  width: 100%;
  aspect-ratio: 3 / 4;
  border-radius: var(--radius);
  background: var(--cl-surface-alt);
  border: 1px solid var(--cl-border);
}

.pdf-thumb-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-xs);
  font-size: 0.78rem;
  color: var(--cl-text-muted);
}

.pdf-thumb-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.25rem;
}

.pdf-thumb-chip {
  border: 1px solid var(--cl-border);
  border-radius: var(--radius-pill);
  padding: 0.12rem 0.45rem;
  font-size: 0.68rem;
  color: var(--cl-text-muted);
  background: var(--cl-surface-alt);
}

.pdf-thumb-chip[data-tone='danger'] {
  border-color: color-mix(in oklab, var(--cl-danger), white 65%);
  color: var(--cl-danger);
}

.pdf-thumb-chip[data-tone='info'] {
  border-color: color-mix(in oklab, var(--cl-primary), white 68%);
  color: var(--cl-primary);
}

.pdf-preview-frame {
  border: 1px solid var(--cl-border);
  border-radius: var(--radius-card);
  background: var(--cl-surface-alt);
  min-height: 260px;
  display: grid;
  place-items: center;
  overflow: auto;
  padding: var(--space-sm);
}

.pdf-preview-frame canvas {
  max-width: 100%;
  border: 1px solid var(--cl-border);
  border-radius: var(--radius);
  background: white;
}

.pdf-form-grid {
  display: grid;
  gap: var(--space-sm);
}

.pdf-form-grid.columns-2 {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.pdf-inline-help {
  margin: 0;
  font-size: 0.85rem;
  color: var(--cl-text-faint);
}

.pdf-output-list {
  display: grid;
  gap: var(--space-sm);
}

.pdf-output-list a {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  color: var(--cl-primary);
  text-decoration: none;
}

.pdf-output-list a:hover {
  text-decoration: underline;
}

.pdf-progress-row {
  display: grid;
  gap: 0.35rem;
}

.pdf-progress-row progress {
  width: 100%;
  height: 0.75rem;
}

.pdf-warnings {
  margin: 0;
  padding-left: 1rem;
  color: var(--cl-warning);
  font-size: 0.88rem;
}

.pdf-ocr-queue {
  display: grid;
  gap: 0.35rem;
  max-height: 280px;
  overflow: auto;
  border: 1px solid var(--cl-border);
  border-radius: var(--radius);
  padding: var(--space-sm);
  background: var(--cl-surface-alt);
}

.pdf-ocr-queue-item {
  display: flex;
  justify-content: space-between;
  gap: var(--space-sm);
  font-size: 0.84rem;
}

@media (max-width: 1080px) {
  .pdf-studio__tool-list {
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  }
}

@media (max-width: 768px) {
  .pdf-thumb-board {
    grid-template-columns: repeat(auto-fill, minmax(124px, 1fr));
  }

  .pdf-form-grid.columns-2 {
    grid-template-columns: 1fr;
  }
}