.ocr-quality-toolbar {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  align-items: center;
  margin-bottom: 1rem;
}
.ocr-quality-toolbar .ocr-quality-count {
  font-size: 0.9rem;
  color: var(--orange, #e67e22);
  margin-left: 0.25rem;
}
.badge-yellow {
  background: #f39c12;
  color: #fff;
}
.question-card.ocr-suspicious {
  border-left: 3px solid #f39c12;
}
.question-card.ocr-filtered-out {
  display: none !important;
}
.form-group.ocr-field-warn .form-input,
.form-group.ocr-field-warn .form-textarea {
  border-color: #f39c12;
  background: #fffbf0;
  box-shadow: 0 0 0 1px rgba(243, 156, 18, 0.25);
}
.ocr-field-hint {
  display: block;
  font-size: 0.8rem;
  color: #d35400;
  margin-top: 0.2rem;
  line-height: 1.35;
}
.ocr-suspicious-section {
  margin-top: 0.75rem;
}
.ocr-suspicious-section ul {
  margin: 0.4rem 0 0;
  padding-left: 1.1rem;
}
.ocr-suspicious-link {
  background: none;
  border: none;
  padding: 0.15rem 0;
  color: var(--blue, #2980b9);
  text-align: left;
  cursor: pointer;
  font: inherit;
  line-height: 1.45;
}
.ocr-suspicious-link:hover {
  text-decoration: underline;
}

/* --- Tính năng 5: điều hướng câu nghi ngờ --- */
.ocr-nav-position {
  font-size: 0.88rem;
  color: var(--orange, #e67e22);
  min-width: 6rem;
}
.question-card.ocr-nav-current {
  box-shadow: 0 0 0 2px rgba(243, 156, 18, 0.55);
}

.ocr-card-pdf-btn,
.ocr-card-reocr-btn {
  margin-left: 0.35rem;
  font-size: 0.8rem;
  white-space: nowrap;
}
.ocr-card-pdf-btn {
  color: var(--blue, #1565c0);
  cursor: pointer;
  position: relative;
  z-index: 2;
}
.ocr-card-reocr-btn {
  color: var(--green, #2e7d32);
}
.ocr-pdf-fab {
  position: fixed;
  bottom: 1.25rem;
  right: 1rem;
  z-index: 190;
  box-shadow: 0 6px 24px rgba(21, 101, 192, 0.35);
  padding: 0.7rem 1.1rem;
  font-weight: 600;
  border-radius: 999px;
}
.ocr-pdf-fab.ocr-pdf-fab-open {
  right: auto;
  left: 1.25rem;
  bottom: calc(4.25rem + 0.75rem);
  box-shadow: 0 4px 16px rgba(15, 23, 42, 0.15);
}
@media (max-width: 900px) {
  .ocr-pdf-fab.ocr-pdf-fab-open {
    left: 1rem;
    bottom: calc(45vh + 0.75rem);
  }
}

/* === Chế độ dò PDF: chia đôi màn hình === */
:root {
  --ocr-pdf-panel-width: min(44vw, 520px);
  --ocr-header-h: 4.25rem;
  --ocr-footer-h: 3.75rem;
}

html.ocr-pdf-panel-open .app-main {
  max-width: none;
  margin: 0;
  width: calc(100% - var(--ocr-pdf-panel-width));
  padding: 1.15rem 1.25rem calc(var(--ocr-footer-h) + 1rem) 1.5rem;
  box-sizing: border-box;
}

html.ocr-pdf-panel-open .sticky-save-bar {
  right: var(--ocr-pdf-panel-width);
  left: 0;
  z-index: 160;
}

.review-page.ocr-with-pdf-layout,
.edit-exam-page.ocr-with-pdf-layout {
  position: relative;
  max-width: 100%;
}

.review-page.ocr-pdf-panel-open,
.edit-exam-page.ocr-pdf-panel-open {
  padding-right: 0;
}

.review-page.ocr-pdf-panel-open .question-card,
.edit-exam-page.ocr-pdf-panel-open .question-card {
  max-width: 100%;
}

.edit-exam-page.ocr-pdf-panel-open .card,
.review-page.ocr-pdf-panel-open .card {
  max-width: 100%;
}

.ocr-pdf-panel-open .ocr-quality-toolbar {
  position: sticky;
  top: 0;
  z-index: 5;
  background: #f8fafc;
  padding: 0.5rem 0.65rem;
  margin: -0.25rem -0.65rem 0.85rem;
  border-radius: 8px;
  border: 1px solid #e2e8f0;
}

.ocr-pdf-panel {
  position: fixed;
  top: var(--ocr-header-h);
  right: 0;
  bottom: 0;
  width: var(--ocr-pdf-panel-width);
  z-index: 150;
  background: #fff;
  border-left: 1px solid #dde3ec;
  border-radius: 0;
  box-shadow: -8px 0 28px rgba(15, 23, 42, 0.07);
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

html.ocr-pdf-panel-open:has(.sticky-save-bar) .ocr-pdf-panel {
  bottom: var(--ocr-footer-h);
}

.ocr-pdf-panel-head {
  display: flex;
  align-items: center;
  justify-content: flex-start;
  flex-wrap: wrap;
  gap: 0.35rem 0.5rem;
  padding: 0.55rem 0.85rem;
  border-bottom: 1px solid #e2e8f0;
  background: linear-gradient(180deg, #f8fafc 0%, #f1f5f9 100%);
}

.ocr-pdf-panel-head strong {
  font-size: 0.92rem;
  color: #0d47a1;
  flex-shrink: 0;
}

.ocr-pdf-panel-head .ocr-pdf-sync {
  margin-left: auto;
  white-space: nowrap;
  font-size: 0.8rem;
}

.ocr-pdf-panel-head .btn-ghost {
  font-size: 0.8rem;
}

.ocr-pdf-meta {
  font-size: 0.78rem;
  color: #5a6578;
  padding: 0.4rem 0.85rem;
  border-bottom: 1px solid #eef1f6;
  line-height: 1.4;
  background: #fafbfc;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.ocr-pdf-iframe {
  flex: 1;
  width: 100%;
  border: none;
  background: #525659;
}

@media (max-width: 1100px) {
  :root {
    --ocr-pdf-panel-width: min(48vw, 460px);
  }
}

@media (max-width: 900px) {
  html.ocr-pdf-panel-open .app-main {
    width: 100%;
    padding-bottom: calc(45vh + 4rem);
  }

  html.ocr-pdf-panel-open .sticky-save-bar {
    right: 0;
  }

  .ocr-pdf-panel {
    top: auto;
    left: 0;
    right: 0;
    width: 100%;
    max-width: 100%;
    height: 45vh;
    border-left: none;
    border-top: 2px solid #1565c0;
    border-radius: 12px 12px 0 0;
    box-shadow: 0 -8px 28px rgba(15, 23, 42, 0.12);
  }

  html.ocr-pdf-panel-open:has(.sticky-save-bar) .ocr-pdf-panel {
    bottom: var(--ocr-footer-h);
  }
}