/* Source reading surfaces only. Source bytes, OCR and original Word layouts are untouched. */
.source-reader-toolbar {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  padding: 12px 16px;
  background: var(--surface-raised);
  border-bottom: 1px solid var(--line);
}
.source-zoom-controls,
.source-page-controls {
  display: flex;
  align-items: center;
  gap: 6px;
}
.source-reader-toolbar .source-small-button {
  min-height: 40px;
  padding: 8px 12px;
  font-size: 0.875rem;
}
.source-zoom-label {
  min-width: 52px;
  text-align: center;
  font-size: 0.875rem;
  font-variant-numeric: tabular-nums;
  color: var(--ink);
}
.source-enlarge {
  margin-left: auto;
  color: var(--accent-ink);
  border-color: var(--yellow);
  background: var(--yellow-soft);
}
.source-reader.source-preview {
  display: block;
  padding: 0;
  height: clamp(420px, 64vh, 780px);
}
.source-image-viewport {
  position: relative;
  overflow: auto;
  overscroll-behavior: contain;
  width: 100%;
  height: 100%;
  min-width: 0;
  min-height: 0;
  background: var(--canvas);
  scrollbar-gutter: stable;
  cursor: grab;
  outline-offset: -3px;
}
.source-image-viewport[data-source-kind="image"] {
  touch-action: none;
}
.source-image-viewport.is-panning {
  cursor: grabbing;
  user-select: none;
}
.source-image-stage {
  position: relative;
  min-width: 100%;
  min-height: 100%;
}
.source-image-stage img {
  position: absolute;
  display: block;
  max-width: none;
  max-height: none;
  object-fit: initial;
  user-select: none;
  -webkit-user-drag: none;
}
.source-image-stage img[hidden],
.source-image-stage iframe[hidden],
.source-image-stage p[hidden] {
  display: none;
}
.source-image-stage iframe {
  position: absolute;
  inset: 0;
  border: 0;
  width: 100%;
  height: 100%;
}
.source-image-message {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  padding: 24px;
  margin: 0;
  text-align: center;
  color: var(--muted);
}
.source-reader-hint {
  margin: 0;
  padding: 10px 16px;
  font-size: 0.875rem;
  color: var(--muted);
  border-bottom: 1px solid var(--line);
}
body.source-viewer-open {
  overflow: hidden;
}
dialog.source-viewer-dialog {
  width: calc(100vw - 32px);
  height: calc(100dvh - 32px);
  max-width: none;
  max-height: none;
  padding: 0;
  margin: auto;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 18px;
  color: var(--ink);
}
dialog.source-viewer-dialog[open] {
  display: grid;
  grid-template-rows: auto auto minmax(0, 1fr) auto;
}
.source-viewer-dialog::backdrop {
  background: #030a19d9;
}
.source-viewer-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 16px 20px;
  background: var(--surface);
}
.source-viewer-heading > div {
  min-width: 0;
}
.source-viewer-heading h2 {
  margin: 0;
  font-size: 1.1rem;
}
.source-viewer-heading p {
  margin: 5px 0 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  font-size: 0.875rem;
  color: var(--muted);
}
.source-viewer-heading > button {
  flex-shrink: 0;
}
.source-expanded-toolbar {
  padding: 10px 20px;
}
.source-page-controls {
  margin-right: auto;
}
.source-page-controls select {
  margin: 0;
  max-width: 190px;
  width: auto;
  font-size: 0.875rem;
  padding: 8px 10px;
  min-height: 40px;
}
.source-viewer-foot {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
  padding: 10px 20px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.875rem;
  background: var(--surface);
}
@media (max-width: 600px) {
  .source-reader.source-preview {
    height: 60dvh;
    min-height: 360px;
    max-height: 680px;
  }
  .source-reader-toolbar {
    padding: 10px 12px;
    gap: 6px;
  }
  .source-reader-toolbar .source-small-button {
    padding: 8px 10px;
  }
  .source-reader-toolbar .source-enlarge {
    padding: 8px 10px;
    font-size: 0.875rem;
    min-height: 40px;
  }
  dialog.source-viewer-dialog {
    width: 100vw;
    height: 100dvh;
    border-radius: 0;
    border: 0;
  }
  .source-viewer-heading {
    padding: 12px;
  }
  .source-viewer-foot {
    padding: 8px 12px;
    font-size: 0.75rem;
  }
  .source-page-controls {
    margin-right: 0;
  }
  .source-page-controls select {
    max-width: 130px;
  }
}