/* Screen 3 evidence viewer. The image canvas is neutral and uncoloured by design. */

.source-review-heading {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: var(--space-4);
  margin-bottom: var(--space-3);
}

.source-review-heading h2 { color: var(--ink-900); }

.source-review-heading p {
  max-width: var(--reading-max);
  margin: var(--space-1) 0 0;
  color: var(--slate-600);
  font-size: var(--text-xs);
}

.page-tabs {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: var(--space-2);
}

.page-tabs button {
  display: inline-flex;
  min-width: 3.25rem;
  min-height: 2.35rem;
  align-items: center;
  justify-content: center;
  gap: var(--space-1);
  padding: var(--space-2) var(--space-3);
  border: var(--border-hair) solid var(--rule-strong);
  border-radius: var(--radius-sm);
  background: var(--paper-raised);
  color: var(--ink-700);
  font-size: var(--text-xs);
  font-weight: var(--weight-bold);
}

.page-tabs button[aria-selected="true"] {
  border-color: var(--ink-900);
  background: var(--ink-900);
  color: var(--on-ink);
}

.tab-warning {
  display: inline-grid;
  width: 1rem;
  height: 1rem;
  place-items: center;
  border: 1px solid currentColor;
  font-size: 0.7rem;
  line-height: 1;
}

.page-source-panel { min-width: 0; }

.page-source-grid {
  display: grid;
  grid-template-columns: minmax(340px, 1.08fr) minmax(320px, 0.92fr);
  gap: var(--space-3);
  min-width: 0;
}

.page-image-panel,
.page-text-panel {
  min-width: 0;
  margin: 0;
  border: var(--border-hair) solid var(--rule-strong);
  background: var(--paper-raised);
}

.source-panel-heading {
  display: flex;
  min-height: 3rem;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  padding: var(--space-2) var(--space-3);
  border-bottom: var(--border-hair) solid var(--rule);
  background: var(--paper-raised);
}

.source-panel-heading :is(figcaption, h3) {
  color: var(--ink-900);
  font-size: var(--text-sm);
  font-weight: var(--weight-bold);
}

.zoom-controls {
  display: inline-flex;
  align-items: stretch;
  border: var(--border-hair) solid var(--rule-strong);
  background: var(--paper-raised);
}

.zoom-controls button {
  min-width: 2.25rem;
  min-height: 2rem;
  padding: var(--space-1) var(--space-2);
  border: 0;
  border-right: var(--border-hair) solid var(--rule);
  background: var(--paper-raised);
  color: var(--ink-700);
  font-weight: var(--weight-bold);
}

.zoom-controls button:last-child { border-right: 0; }
.zoom-controls button:hover:not(:disabled) { background: var(--info-tint); }

.page-image-viewport {
  position: relative;
  max-height: 44rem;
  overflow: auto;
  overscroll-behavior: contain;
  background: var(--doc-canvas);
  scrollbar-gutter: stable;
}

.page-image-stage {
  display: grid;
  min-height: 24rem;
  place-items: start center;
  padding: var(--space-4);
}

.page-image-panel img {
  display: block;
  width: 100%;
  height: auto;
  transform: scale(var(--page-zoom, 1));
  transform-origin: top center;
  border: var(--border-hair) solid var(--rule-strong);
  background: #fff;
  box-shadow: var(--shadow-panel);
}

.page-text-panel { display: flex; flex-direction: column; }

.page-facts {
  display: grid;
  gap: var(--space-2);
  margin: 0;
  padding: var(--space-3);
  border-bottom: var(--border-hair) solid var(--rule);
  background: var(--paper-sunken);
}

.page-facts > div {
  display: grid;
  grid-template-columns: minmax(8rem, 0.32fr) minmax(0, 1fr);
  gap: var(--space-3);
}

.page-facts dt {
  color: var(--slate-600);
  font-size: var(--text-2xs);
  font-weight: var(--weight-bold);
}

.page-facts dd {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2) var(--space-3);
  margin: 0;
  overflow-wrap: anywhere;
  font-size: var(--text-xs);
}

.page-fact { display: inline-block; }

.inline-status {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  padding: 0 var(--space-1);
  border: var(--border-hair) solid currentColor;
  font-weight: var(--weight-bold);
}

.matched-terms {
  margin: 0;
  padding: var(--space-3);
  border-bottom: var(--border-hair) solid var(--rule);
  color: var(--slate-600);
  font-size: var(--text-xs);
  line-height: 1.55;
}

.page-text {
  min-height: 24rem;
  max-height: 44rem;
  flex: 1 1 auto;
  overflow: auto;
  padding: var(--space-4);
  background: var(--paper-raised);
  font-family: var(--font-ui);
  font-size: var(--text-sm);
  line-height: var(--leading-reading);
  white-space: pre-wrap;
  overflow-wrap: anywhere;
  scrollbar-gutter: stable;
}

.page-text mark {
  padding: 0 0.08em;
  outline: 1px solid #8b6500;
  background: #f8df88;
  color: #342500;
}

.source-load-error {
  padding: var(--space-3);
  border-left: var(--border-gutter-strong) solid var(--alert-rule);
  background: var(--alert-tint);
  color: var(--alert-ink);
}

@media (max-width: 1180px) {
  .page-source-grid { grid-template-columns: 1fr; }
  .page-image-viewport,
  .page-text { max-height: 36rem; }
}

@media (max-width: 900px) {
  .page-image-viewport,
  .page-text { max-height: none; }
}

@media (max-width: 680px) {
  .source-review-heading { align-items: stretch; flex-direction: column; }
  .page-tabs { justify-content: flex-start; }
  .source-panel-heading { align-items: stretch; flex-direction: column; }
  .zoom-controls { align-self: start; }
  .page-facts > div { grid-template-columns: 1fr; gap: var(--space-1); }
  .page-image-stage { min-height: 16rem; padding: var(--space-2); }
  .page-text { min-height: 18rem; }
}

.source-image-alternative-note {
  margin: 0 0 var(--space-2);
  color: var(--slate-600);
  font-size: var(--text-2xs);
}
.source-load-error .source-image-retry {
  display: block;
  margin-top: var(--space-3);
}