/* ============================================================================
 * ocr_viz.css — Styles for the OCR comparison figures.
 *
 * Layout:
 *   [ Tab · Tab · Tab ]                  (tabs, top-left)
 *   ----------------------------------
 *   [ Hide blocks ]                      (controls)
 *   [ legend (Chandra only) ]
 *   [ input image w/ overlay ][ raw output ]
 * ============================================================================ */

.ocr-viz {
  margin: 2rem 0 3rem;
}

/* --- Tabs --------------------------------------------------------------- */

.ocr-tabs {
  display: flex;
  justify-content: flex-start;
  gap: 0;
  border-bottom: 1px solid var(--viz-rule, #e5e5e2);
  margin-bottom: 0.7rem;
}

.ocr-tab {
  appearance: none;
  background: transparent;
  border: 0;
  border-bottom: 2px solid transparent;
  padding: 0.45rem 1rem 0.45rem;
  font: inherit;
  color: var(--viz-ink-soft, #525252);
  cursor: pointer;
  margin-bottom: -1px;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.05rem;
  text-align: left;
}

.ocr-tab:first-child { padding-left: 0; }
.ocr-tab:hover { color: var(--viz-ink, #0a0a0a); }
.ocr-tab.is-active {
  color: var(--viz-ink, #0a0a0a);
  border-bottom-color: var(--viz-accent, #0f5499);
}

.ocr-tab-label {
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  line-height: 1.15;
}

.ocr-tab-sub {
  font-size: 0.62rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  color: var(--viz-ink-faint, #6a6a6a);
  line-height: 1.15;
  padding-top: 0.2rem;
}

.ocr-tab.is-active .ocr-tab-sub { color: var(--viz-accent, #0f5499); }

/* --- Controls + legend (above the grid) -------------------------------- */

.ocr-controls {
  display: flex;
  flex-wrap: wrap;
  gap: 0.9rem;
  margin-bottom: 0.45rem;
  font-size: 0.78rem;
  color: var(--viz-ink-soft, #525252);
  margin-top: 0.45rem;
  padding: 4px 9px; 
  border-radius: 4px;
  background: #f1f0eb;
  border: 1px solid var(--viz-rule, #e5e5e2);
  width: fit-content;
  float: left;
}

.ocr-controls.is-hidden { display: none; }

.ocr-controls label {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  cursor: pointer;
  user-select: none;
}

.ocr-controls input[type="checkbox"] {
  margin: 0;
  cursor: pointer;
}

.ocr-legend {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem 0.9rem;
  margin: 0.45rem 0 0.7rem;
  font-size: 0.78rem;
  color: var(--viz-ink-soft, #525252);
  float: right;
  padding: 4px 9px; 
  max-width: 80%;
}

.ocr-legend.is-hidden { display: none; }

.ocr-legend-item { display: inline-flex; align-items: center; gap: 0.3rem; }

.ocr-legend-swatch {
  width: 10px;
  height: 10px;
  border: 1px solid;
  display: inline-block;
}

/* --- Two-column grid: image (left) + raw output (right) ----------------- */

.ocr-viz-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
  align-items: start;
}

@media (max-width: 720px) {
  .ocr-viz-grid { grid-template-columns: 1fr; }
}

.ocr-overlay {
  position: relative;
  width: 100%;
  aspect-ratio: 935 / 1210;
  background: #fff;
  border: 1px solid var(--viz-rule, #e5e5e2);
}

.ocr-overlay img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  display: block;
}

.ocr-overlay.blocks-hidden .ocr-block { display: none; }

/* Block: positioned absolutely over the image; text overlays in place. */
.ocr-block {
  position: absolute;
  box-sizing: border-box;
  overflow: hidden;
  font-family: var(--viz-font-data, system-ui), sans-serif;
  font-size: 9px;
  line-height: 1.05;
  color: var(--viz-ink, #0a0a0a);
  background: rgba(255, 255, 255, 0.92);
  border: 1px solid rgba(10, 10, 10, 0.55);
  padding: 1px 2px;
  white-space: normal;
  word-break: break-word;
  letter-spacing: -0.01em;
}

/* Kosmos: single ink color (no role information). */
.ocr-overlay.is-kosmos .ocr-block {
  border-color: rgba(15, 84, 153, 0.7);
  background: rgba(231, 240, 251, 0.92);
}

/* Chandra: color by role. */
.ocr-overlay.is-chandra .ocr-block[data-label="Text"]           { border-color: rgba(15, 84, 153, 0.75); background: rgba(231, 240, 251, 0.92); }
.ocr-overlay.is-chandra .ocr-block[data-label="Section-Header"] { border-color: rgba(204, 41, 54, 0.8);  background: rgba(254, 230, 232, 0.92); }
.ocr-overlay.is-chandra .ocr-block[data-label="Page-Header"]    { border-color: rgba(120, 120, 120, 0.7); background: rgba(240, 240, 240, 0.92); }
.ocr-overlay.is-chandra .ocr-block[data-label="List-Group"]     { border-color: rgba(34, 124, 64, 0.75); background: rgba(228, 244, 233, 0.92); }
.ocr-overlay.is-chandra .ocr-block[data-label="Form"]           { border-color: rgba(120, 60, 168, 0.75); background: rgba(238, 230, 248, 0.92); }
.ocr-overlay.is-chandra .ocr-block[data-label="Caption"]        { border-color: rgba(196, 91, 137, 0.8); background: rgba(250, 232, 240, 0.92); }
.ocr-overlay.is-chandra .ocr-block[data-label="Footnote"]       { border-color: rgba(160, 160, 160, 0.7); background: rgba(245, 245, 242, 0.92); }
.ocr-overlay.is-chandra .ocr-block[data-label="Diagram"]        { border-color: rgba(18, 137, 137, 0.8); background: rgba(224, 244, 244, 0.92); }

.ocr-legend-swatch[data-label="Text"]           { border-color: rgba(15, 84, 153, 0.75); background: rgba(231, 240, 251, 0.92); }
.ocr-legend-swatch[data-label="Section-Header"] { border-color: rgba(204, 41, 54, 0.8);  background: rgba(254, 230, 232, 0.92); }
.ocr-legend-swatch[data-label="Page-Header"]    { border-color: rgba(120, 120, 120, 0.7); background: rgba(240, 240, 240, 0.92); }
.ocr-legend-swatch[data-label="List-Group"]     { border-color: rgba(34, 124, 64, 0.75); background: rgba(228, 244, 233, 0.92); }
.ocr-legend-swatch[data-label="Form"]           { border-color: rgba(120, 60, 168, 0.75); background: rgba(238, 230, 248, 0.92); }
.ocr-legend-swatch[data-label="Caption"]        { border-color: rgba(196, 91, 137, 0.8); background: rgba(250, 232, 240, 0.92); }
.ocr-legend-swatch[data-label="Footnote"]       { border-color: rgba(160, 160, 160, 0.7); background: rgba(245, 245, 242, 0.92); }
.ocr-legend-swatch[data-label="Diagram"]        { border-color: rgba(18, 137, 137, 0.8); background: rgba(224, 244, 244, 0.92); }

/* --- Raw output code block --------------------------------------------- */

.ocr-code {
  margin: 0;
  padding: 0.7rem 0.85rem;
  background: var(--viz-paper, #fafaf7);
  border: 1px solid var(--viz-rule, #e5e5e2);
  font-family: var(--viz-font-mono, 'Geist Mono'), ui-monospace, SFMono-Regular, monospace;
  font-size: 0.72rem;
  line-height: 1.55;
  max-height: 460px;
  overflow: auto;
  white-space: pre-wrap;
  word-wrap: break-word;
  color: var(--viz-ink, #0a0a0a);
}

.ocr-viz img { margin: 0 !important; }