:root {
  --bg: #f4f6f8;
  --panel: #ffffff;
  --panel-muted: #eef2f5;
  --ink: #111827;
  --muted: #64748b;
  --line: #d9e0e8;
  --accent: #1f6feb;
  --ok: #087f5b;
  --warn: #9a6700;
  --danger: #c2410c;
  --shadow: 0 16px 40px rgba(15, 23, 42, 0.08);
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
}

body {
  min-height: 100vh;
  background: var(--bg);
  color: var(--ink);
  font-family: "Avenir Next", "PingFang SC", "Hiragino Sans GB", sans-serif;
  font-size: 16px;
}

button,
input,
textarea {
  font: inherit;
}

.ocr-shell {
  min-height: 100vh;
  display: grid;
  grid-template-rows: auto auto minmax(0, 1fr);
}

.ocr-header {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 18px 22px;
  border-bottom: 1px solid var(--line);
  background: rgba(244, 246, 248, 0.9);
  backdrop-filter: blur(12px);
}

.ocr-header p {
  margin: 0 0 4px;
  color: var(--muted);
  font-size: 12px;
  text-transform: uppercase;
}

.ocr-header h1 {
  margin: 0;
  font-size: 24px;
}

.back-link {
  width: 38px;
  height: 38px;
  display: grid;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: 8px;
  color: var(--ink);
  text-decoration: none;
  background: var(--panel-muted);
}

.status-badge {
  margin-left: auto;
  min-width: 84px;
  min-height: 34px;
  display: grid;
  place-items: center;
  padding: 0 12px;
  color: var(--ok);
  background: #e8f7ef;
  border: 1px solid #b7e4c7;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 700;
}

.status-badge.is-busy {
  color: var(--warn);
  background: #fff7db;
  border-color: #f2d477;
}

.status-badge.is-error {
  color: var(--danger);
  background: #fff1ec;
  border-color: #ffc9b8;
}

.control-band {
  display: flex;
  align-items: center;
  padding: 10px 22px;
  border-bottom: 1px solid var(--line);
  background: var(--panel);
}

.hidden-input {
  display: none;
}

.primary-button,
.secondary-button,
.text-button {
  min-height: 38px;
  border: 1px solid var(--line);
  border-radius: 8px;
  cursor: pointer;
}

.primary-button {
  padding: 0 16px;
  color: #fff;
  background: var(--accent);
  border-color: var(--accent);
}

.secondary-button {
  padding: 0 14px;
  color: var(--ink);
  background: var(--panel-muted);
}

.text-button {
  min-height: 30px;
  padding: 0 10px;
  color: var(--accent);
  background: transparent;
}

.control-column,
.workflow-actions {
  min-width: 0;
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.control-column {
  justify-content: flex-start;
}

.control-column-pdf {
  width: 100%;
  flex-wrap: wrap;
}

.upload-button {
  min-height: 38px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
  padding: 0 13px;
  border-radius: 8px;
  font-weight: 800;
  white-space: nowrap;
}

.upload-button.primary-button {
  min-height: 38px;
  padding: 0 13px;
  border-color: #207a4d;
  border-radius: 9px;
  background: #217a4f;
  font-size: 14px;
}

.upload-button.secondary-button {
  font-size: 14px;
  color: #16633f;
  border-color: #b7ddc9;
  background: #edf8f2;
}

.workspace-transfer-actions {
  min-width: 0;
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.workspace-transfer-button {
  min-height: 38px;
  padding: 0 13px;
  color: #37556f;
  border-color: #c9d8e7;
  background: #f4f8fb;
  font-size: 14px;
  font-weight: 800;
  white-space: nowrap;
}

.workspace-transfer-button:not(:disabled):hover,
.workspace-transfer-button:not(:disabled):focus-visible {
  color: #18364f;
  border-color: #8fb2d1;
  background: #eaf3fa;
  outline: none;
}

.accepted-top-actions {
  min-width: 0;
  display: flex;
  align-items: center;
  gap: 8px;
  margin-left: auto;
  flex-wrap: wrap;
}

.accepted-action-button {
  min-height: 38px;
  padding: 0 13px;
  color: #16633f;
  border-color: #b7ddc9;
  background: #edf8f2;
  font-size: 14px;
  font-weight: 800;
  white-space: nowrap;
}

.accepted-action-button:not(:disabled):hover,
.accepted-action-button:not(:disabled):focus-visible {
  color: #0f5132;
  border-color: #74c69d;
  background: #e0f3e9;
  outline: none;
}

.upload-icon {
  width: 18px;
  height: 18px;
  display: inline-grid;
  place-items: center;
  flex: 0 0 auto;
}

.upload-icon svg {
  width: 100%;
  height: 100%;
  display: block;
  fill: none;
  stroke: currentColor;
  stroke-width: 2.2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.workflow-actions {
  justify-content: flex-start;
}

.utility-hidden[hidden] {
  display: none !important;
}

.control-label {
  color: var(--muted);
  font-size: 13px;
  font-weight: 800;
  white-space: nowrap;
}

.primary-button:disabled,
.secondary-button:disabled,
.text-button:disabled {
  cursor: not-allowed;
  opacity: 0.55;
}

.file-summary {
  min-width: 0;
  display: grid;
  gap: 2px;
}

.file-summary span {
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.file-summary strong {
  display: none;
}

.file-summary span {
  color: var(--muted);
  font-size: 14px;
}

.pager {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 8px;
  white-space: nowrap;
}

.pager-compact {
  justify-content: center;
  flex-wrap: wrap;
}

.pager-icon {
  width: 42px;
  min-width: 42px;
  padding: 0;
  font-size: 18px;
  line-height: 1;
}

.pager label {
  display: flex;
  align-items: center;
  gap: 6px;
  color: var(--muted);
  font-size: 13px;
}

.page-field {
  margin: 0;
}

.pager input {
  width: 76px;
  min-height: 38px;
  padding: 7px 9px;
  border: 1px solid var(--line);
  border-radius: 8px;
  color: var(--ink);
  background: #fbfcfd;
}

#pageCountLabel {
  min-width: 44px;
  color: var(--muted);
  font-size: 13px;
}

.page-count-label {
  min-width: 44px;
  color: var(--muted);
  font-size: 13px;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.preview-panel {
  --ocr-left-ratio: 0.28;
  --ocr-middle-ratio: 0.42;
  --ocr-right-ratio: 0.3;
  --ocr-resizer-width: 14px;
  --ocr-column-gap: 8px;
  --ocr-columns-available: calc(100% - (2 * var(--ocr-resizer-width)) - (4 * var(--ocr-column-gap)));
  min-height: 0;
  overflow: visible;
  padding: 18px 22px 24px;
}

.column-heads,
.page-row {
  display: grid;
  grid-template-columns:
    minmax(0, calc(var(--ocr-columns-available) * var(--ocr-left-ratio)))
    var(--ocr-resizer-width)
    minmax(0, calc(var(--ocr-columns-available) * var(--ocr-middle-ratio)))
    var(--ocr-resizer-width)
    minmax(0, calc(var(--ocr-columns-available) * var(--ocr-right-ratio)));
  width: 100%;
  max-width: 100%;
  gap: var(--ocr-column-gap);
  overflow: hidden;
}

.column-heads {
  position: sticky;
  top: -18px;
  z-index: 2;
  padding: 0 0 10px;
  background: var(--bg);
}

.column-heads > div {
  min-width: 0;
  color: var(--muted);
  font-size: 14px;
  font-weight: 700;
}

.column-resizer {
  position: relative;
  min-width: 14px;
  min-height: 100%;
  padding: 0;
  border: 0;
  border-radius: 8px;
  background: rgba(226, 232, 240, 0.42);
  cursor: col-resize;
}

.column-resizer::before {
  content: "";
  position: absolute;
  top: 4px;
  bottom: 4px;
  left: 50%;
  width: 3px;
  border-radius: 999px;
  background: #cbd5e1;
  transform: translateX(-50%);
}

.column-resizer:hover::before,
.column-resizer:focus-visible::before,
.is-resizing-columns .column-resizer::before {
  width: 5px;
  background: var(--accent);
}

.column-heads .column-resizer {
  min-height: 22px;
}

.preview-panel.is-middle-collapsed .column-heads,
.preview-panel.is-middle-collapsed .page-row {
  grid-template-columns: minmax(0, 1.15fr) 44px minmax(0, 1fr);
}

.preview-panel.is-middle-collapsed .column-heads > .column-resizer,
.preview-panel.is-middle-collapsed .column-heads > div:nth-of-type(2) {
  display: none;
}

.preview-panel.is-middle-collapsed .column-heads > div:nth-of-type(3) {
  grid-column: 3;
}

.middle-column-restore {
  min-width: 44px;
  min-height: 220px;
  display: grid;
  place-items: center;
  align-content: center;
  gap: 8px;
  padding: 10px 6px;
  border: 1px dashed #cbd5e1;
  border-radius: 8px;
  color: var(--accent);
  background: #f8fafc;
  cursor: pointer;
  writing-mode: vertical-rl;
}

.middle-column-restore span {
  color: var(--muted);
  font-size: 12px;
  font-weight: 700;
}

.middle-column-restore strong {
  font-size: 14px;
}

.middle-column-restore:hover,
.middle-column-restore:focus-visible {
  border-color: var(--accent);
  background: #eff6ff;
}

.is-resizing-columns {
  cursor: col-resize;
  user-select: none;
}

.page-list {
  min-width: 0;
  max-width: 100%;
  display: grid;
  gap: 14px;
  overflow: visible;
}

.empty-state {
  padding: 48px;
  border: 1px dashed #cbd5e1;
  border-radius: 8px;
  color: var(--muted);
  background: var(--panel);
  text-align: center;
}

.page-row {
  align-items: start;
  overflow: visible;
}

.page-row > * {
  min-width: 0;
}

.preview-card {
  min-width: 0;
  max-width: 100%;
  overflow: hidden;
  min-height: 220px;
  display: grid;
  grid-template-rows: auto auto;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
  box-shadow: var(--shadow);
}

.image-card {
  --image-card-top: 34px;
  position: sticky;
  top: var(--image-card-top);
  align-self: start;
  height: calc(100vh - var(--image-card-top) - 18px);
  max-height: calc(100vh - var(--image-card-top) - 18px);
  grid-template-rows: auto minmax(0, 1fr);
}

.card-head {
  min-width: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 10px 12px;
  border-bottom: 1px solid var(--line);
}

.image-card-head {
  flex-wrap: wrap;
}

.card-head > div {
  min-width: 0;
  display: grid;
  gap: 2px;
}

.image-card-head > .card-actions {
  display: flex;
  align-items: center;
  gap: 6px;
}

.image-card-head > .card-actions {
  margin-left: auto;
  justify-content: flex-end;
}

.card-actions {
  display: flex;
  align-items: center;
  gap: 6px;
  flex: 0 0 auto;
}

.image-zoom-button {
  width: 32px;
  min-width: 32px;
  min-height: 30px;
  padding: 0;
  font-weight: 600;
}

.image-zoom-glyph {
  display: inline-flex;
  align-items: flex-start;
  justify-content: center;
  line-height: 1;
}

.image-zoom-glyph > span:first-child {
  color: #334155;
  font-size: 17px;
}

.image-zoom-glyph > span:last-child {
  margin: -2px 0 0 1px;
  color: var(--accent);
  font-size: 12px;
  font-weight: 800;
}

.card-head strong {
  min-width: 0;
  overflow-wrap: anywhere;
  font-size: 15px;
}

.card-head span {
  color: var(--muted);
  font-size: 13px;
}

.page-image-wrap {
  min-height: 0;
  overflow: auto;
  height: 100%;
  max-height: none;
  padding: 12px;
  background: #f8fafc;
}

.empty-inline {
  min-height: 180px;
  display: grid;
  place-items: center;
  color: var(--muted);
  border: 1px dashed #cbd5e1;
  border-radius: 8px;
  background: #fff;
}

.page-image-surface {
  position: relative;
  display: inline-block;
  width: fit-content;
  max-width: none;
  vertical-align: top;
}

.page-image-wrap img {
  width: calc(100% * var(--pdf-image-zoom, 1));
  max-width: none;
  height: auto;
  display: block;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: #fff;
}

.page-image-focus {
  position: absolute;
  z-index: 3;
  box-sizing: border-box;
  pointer-events: none;
  border: 2px solid rgba(37, 99, 235, 0.9);
  border-radius: 4px;
  background: rgba(37, 99, 235, 0.12);
  box-shadow: 0 0 0 4px rgba(37, 99, 235, 0.12);
}

.page-block-hotspot {
  position: absolute;
  z-index: 2;
  box-sizing: border-box;
  padding: 0;
  border: 1px solid transparent;
  border-radius: 4px;
  background: transparent;
  cursor: pointer;
}

.page-block-hotspot:hover,
.page-block-hotspot:focus-visible {
  border-color: rgba(37, 99, 235, 0.55);
  background: rgba(37, 99, 235, 0.06);
  outline: none;
}

.page-block-hotspot.is-selected {
  border-color: transparent;
  background: transparent;
  box-shadow: none;
}

.image-card.is-zoomed .page-image-wrap {
  overflow: auto;
}

.render-body {
  max-width: 100%;
  min-height: 0;
  overflow: visible;
  padding: 18px;
  line-height: 1.72;
}

.typora-preview {
  min-width: 0;
  padding: 24px 28px;
  background: #ffffff;
}

.mineru-page-preview {
  width: 100%;
  max-width: 760px;
  margin: 0 auto;
}

.mineru-block {
  position: relative;
  min-width: 0;
  max-width: 100%;
  margin: 0 0 12px;
  padding: 1px 0;
  border: 1px solid transparent;
  border-radius: 8px;
}

.mineru-block.is-risk {
  margin: 14px 0;
  padding: 10px 12px 12px;
  border-color: #f2c14e;
  background: #fffdf5;
}

.mineru-block.is-corrected {
  border-color: #7bdcb5;
  background: #f3fff8;
}

.block-risk-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 8px;
  padding-bottom: 7px;
  border-bottom: 1px solid #f5df9a;
}

.block-risk-head span {
  min-width: 0;
  color: #7c4a03;
  font-size: 12px;
  font-weight: 800;
}

.mineru-block-content {
  min-width: 0;
  max-width: 100%;
  overflow-x: auto;
}

.block-source-detail {
  margin-top: 10px;
  border: 1px solid #f5df9a;
  border-radius: 8px;
  background: #fffefa;
}

.block-source-detail summary {
  min-height: 30px;
  padding: 6px 9px;
  color: #7c4a03;
  cursor: pointer;
  font-size: 12px;
  font-weight: 700;
}

.block-source-detail pre {
  max-height: 280px;
  overflow: auto;
  margin: 0;
  padding: 10px;
  border-top: 1px solid #f5df9a;
  color: #1f2937;
  background: #ffffff;
  white-space: pre-wrap;
}

.block-source-detail code {
  font: 12px/1.55 "SFMono-Regular", Consolas, "Liberation Mono", monospace;
}

.mathpix-source-editor {
  display: block;
  width: calc(100% - 20px);
  min-height: 180px;
  max-height: 46vh;
  margin: 10px;
  padding: 10px;
  resize: vertical;
  overflow: auto;
  color: #0f172a;
  border: 1px solid #cbd5e1;
  border-radius: 8px;
  background: #f8fafc;
  font: 13px/1.65 "SFMono-Regular", Consolas, "Liberation Mono", monospace;
}

.block-source-editor {
  min-height: 150px;
}

.mathpix-source-editor:focus {
  border-color: var(--accent);
  outline: 2px solid rgba(37, 99, 235, 0.18);
}

.mathpix-edit-actions {
  display: flex;
  justify-content: flex-end;
  margin: 0 10px 10px;
}

.right-workbench-card {
  position: sticky;
  top: 34px;
  align-self: start;
  height: calc(100vh - 52px);
  max-height: calc(100vh - 52px);
  grid-template-rows: auto minmax(0, 1fr);
  overflow: hidden;
}

.right-workbench-tabs {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  padding: 10px 12px;
  border-bottom: 1px solid var(--line);
  background: #f8fafc;
}

.right-workbench-tab {
  min-width: 0;
  min-height: 34px;
  padding: 0 10px;
  color: #334155;
  border: 1px solid #cbd5e1;
  border-radius: 8px;
  background: #ffffff;
  cursor: pointer;
  font-weight: 700;
}

.right-workbench-tab.is-active {
  color: #ffffff;
  border-color: var(--accent);
  background: var(--accent);
}

.right-workbench-panel {
  min-width: 0;
  max-width: 100%;
  min-height: 0;
  overflow: hidden;
  display: none;
}

.right-workbench-panel.is-active {
  display: grid;
}

.review-card,
.mathpix-page-card {
  min-width: 0;
  max-width: 100%;
}

.review-card {
  height: 100%;
  min-height: 0;
  display: grid;
  grid-template-rows: auto minmax(0, 1fr) auto auto;
  overflow: hidden;
}

.mathpix-page-card {
  height: 100%;
  min-height: 0;
  overflow: auto;
}

.review-card > .card-head {
  align-items: flex-start;
  flex-wrap: wrap;
}

.review-sticky-controls {
  position: relative;
  z-index: 9;
  background: #f8fafc;
  border-bottom: 1px solid var(--line);
  box-shadow: none;
}

.review-sticky-controls .review-card-head {
  min-height: 56px;
  border-bottom: 1px solid var(--line);
  background: #f8fafc;
}

.review-list {
  min-width: 0;
  max-width: 100%;
  min-height: 0;
  overflow: auto;
  padding: 14px;
  background: #f8fafc;
}

.review-page-canvas {
  padding: 18px;
  background: #eef3f8;
}

.review-page-paper {
  width: min(100%, 920px);
  margin: 0 auto;
  padding: 28px 32px 40px;
  border: 1px solid #dbe4ef;
  border-radius: 8px;
  background: #ffffff;
  box-shadow: 0 14px 36px rgba(15, 23, 42, 0.08);
  font-size: calc(16px * var(--review-font-scale, 1));
}

.review-page-block {
  position: relative;
  min-width: 0;
  margin: 0 0 8px;
  padding: 6px 8px;
  border: 1px solid transparent;
  border-radius: 4px;
  background: transparent;
  cursor: pointer;
  transition: border-color 120ms ease, background 120ms ease, box-shadow 120ms ease;
}

.review-page-block-actions {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  flex-wrap: wrap;
  gap: 6px;
  margin: 0 0 4px;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity 120ms ease;
}

.review-page-correct-button,
.review-page-mark-button,
.review-page-local-button {
  min-height: 28px;
  padding: 0 10px;
  border-radius: 6px;
  background: rgba(255, 255, 255, 0.94);
  box-shadow: 0 2px 8px rgba(15, 23, 42, 0.08);
  cursor: pointer;
  font-size: 12px;
  font-weight: 800;
  transition: opacity 120ms ease, border-color 120ms ease, background 120ms ease;
}

.review-page-correct-button {
  color: #1d4ed8;
  border: 1px solid #bfdbfe;
}

.review-page-mark-button {
  color: #b91c1c;
  border: 1px solid #fecaca;
}

.review-page-local-button {
  color: #16633f;
  border: 1px solid #b7ddc9;
}

.review-page-block:hover .review-page-block-actions,
.review-page-block:focus-within .review-page-block-actions,
.review-page-block.is-selected .review-page-block-actions,
.review-page-block.needs-extra-correction .review-page-block-actions {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}

.review-page-correct-button:hover,
.review-page-correct-button:focus-visible {
  border-color: #2563eb;
  background: #ffffff;
  outline: none;
}

.review-page-mark-button:hover,
.review-page-mark-button:focus-visible {
  color: #991b1b;
  border-color: #ef4444;
  background: #fff5f5;
  outline: none;
}

.review-page-local-button:hover,
.review-page-local-button:focus-visible {
  color: #0f5132;
  border-color: #74c69d;
  background: #edf8f2;
  outline: none;
}

.review-page-mark-button.is-active {
  color: #991b1b;
  border-color: #dc2626;
  background: #fef2f2;
}

.review-page-block:hover,
.review-page-block:focus-visible {
  border-color: #cbd5e1;
  background: #f8fafc;
  outline: none;
}

.review-page-block.is-selected {
  border-color: rgba(37, 99, 235, 0.65);
  background: rgba(37, 99, 235, 0.07);
  box-shadow: 0 0 0 2px rgba(37, 99, 235, 0.14);
}

.review-page-block.is-corrected {
  background: #f7fef9;
}

.review-page-block.has-mathpix-draft {
  background: #fffaf0;
}

.review-page-block.is-selected.is-corrected,
.review-page-block.is-selected.has-mathpix-draft {
  background: #f6f9ff;
}

.review-page-block.needs-extra-correction {
  border-color: rgba(245, 158, 11, 0.55);
}

.review-page-block-render {
  min-width: 0;
  max-width: 100%;
  overflow-x: auto;
  padding-right: 0;
  color: #111827;
  font-size: 17px;
  line-height: 1.72;
}

.selected-block-toolbar {
  margin: 14px 0 0;
  padding: 12px;
  border: 1px solid #bfdbfe;
  border-radius: 8px;
  background: #ffffff;
  cursor: default;
}

.selected-block-toolbar-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 10px;
  padding-bottom: 8px;
  border-bottom: 1px solid #dbeafe;
}

.selected-block-toolbar-head > div:first-child {
  min-width: 0;
  display: grid;
  gap: 4px;
}

.selected-block-toolbar-head strong {
  color: #0f172a;
  font-size: 14px;
}

.review-toolbar-collapse {
  width: 34px;
  min-width: 34px;
  min-height: 32px;
  padding: 0;
  color: #475569;
  font-size: 18px;
  font-weight: 800;
  line-height: 1;
}

.selected-block-toolbar-body {
  padding-top: 2px;
}

.selected-block-compact-actions {
  display: grid;
  gap: 8px;
  padding-top: 8px;
}

.local-correction-button {
  justify-self: flex-start;
  color: #16633f;
  border-color: #b7ddc9;
  background: #edf8f2;
  font-weight: 800;
}

.local-correction-button:hover,
.local-correction-button:focus-visible {
  color: #0f5132;
  border-color: #74c69d;
  background: #e0f3e9;
  outline: none;
}

.selected-source-detail {
  margin-top: 0;
  border-color: #dbe4ef;
  background: #f8fafc;
}

.selected-source-detail > summary {
  padding: 8px 10px;
  color: #334155;
  font-size: 13px;
  font-weight: 800;
}

.selected-source-detail .mathpix-source-editor {
  margin: 0 10px 10px;
  width: calc(100% - 20px);
}

.selected-source-detail .mathpix-edit-actions {
  margin: 0 10px 10px;
}

.review-item {
  min-width: 0;
  max-width: 100%;
  overflow: hidden;
  margin: 0 0 14px;
  padding: 14px;
  border: 1px solid #f2c14e;
  border-radius: 8px;
  background: #fffdf5;
}

.review-item.is-normal:not(.is-corrected) {
  border-color: #d8e1ee;
  background: #ffffff;
}

.review-item.is-normal:not(.is-corrected) .review-item-head {
  border-bottom-color: #e2e8f0;
}

.review-item.is-normal:not(.is-corrected) .review-item-head strong {
  color: #334155;
}

.review-item.is-normal:not(.is-corrected) .review-item-head span {
  color: #64748b;
}

.review-item.is-normal:not(.is-corrected) .review-item-state {
  color: #475569;
  background: #eef2f7;
}

.review-item.is-corrected {
  border-color: #7bdcb5;
  background: #f3fff8;
}

.review-item.is-cross-page {
  border-style: dashed;
  background: #fffaf0;
}

.review-item.is-collapsed {
  padding-bottom: 10px;
}

.review-item-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding-bottom: 8px;
  border-bottom: 1px solid #f5df9a;
}

.review-item-head > div {
  min-width: 0;
  display: grid;
  gap: 2px;
}

.review-item-head strong {
  color: #7c4a03;
  font-size: 16px;
  line-height: 1.35;
}

.review-item-head span {
  color: #8a6a1f;
  font-size: 13px;
}

.review-item-state {
  display: inline-flex;
  width: fit-content;
  padding: 1px 6px;
  border-radius: 999px;
  color: #7c5b15;
  background: #fff4cf;
  font-weight: 700;
}

.review-item-actions {
  display: flex;
  flex: 0 0 auto;
  align-items: center;
  justify-content: flex-end;
  flex-wrap: wrap;
  gap: 6px;
}

.review-toggle,
.review-item .risk-action {
  margin-top: 0;
  padding: 6px 10px;
  font-size: 14px;
  white-space: nowrap;
}

.review-item-body[hidden] {
  display: none;
}

.review-pane {
  min-width: 0;
  max-width: 100%;
  overflow: hidden;
  margin-top: 10px;
  padding: 10px;
  border: 1px solid #f5df9a;
  border-radius: 8px;
  background: #ffffff;
}

.mathpix-pane {
  border-color: #b6e8d1;
  background: #fbfffd;
}

.review-pane-title {
  margin-bottom: 8px;
  color: #334155;
  font-size: 14px;
  font-weight: 800;
}

.review-render {
  min-width: 0;
  max-width: 100%;
  overflow-x: auto;
  font-size: 17px;
  line-height: 1.65;
}

.review-image-preview {
  width: min(100%, 760px);
  min-height: 180px;
  margin: 0 0 12px;
  border: 1px solid #cbd5e1;
  border-radius: 8px;
  background-color: #eef2f7;
  background-repeat: no-repeat;
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.75);
}

.review-image-preview figcaption,
.markdown-image-reference figcaption {
  padding: 6px 8px;
  color: #64748b;
  background: rgba(255, 255, 255, 0.86);
  font-size: 12px;
  font-weight: 700;
}

.markdown-image-reference {
  width: min(100%, 760px);
  margin: 0 0 12px;
  padding: 10px;
  border: 1px solid #cbd5e1;
  border-radius: 8px;
  background: #f8fafc;
}

.markdown-image-reference img {
  display: block;
  max-width: 100%;
  height: auto;
  margin: 0 auto;
}

.review-placeholder {
  margin-top: 10px;
  padding: 10px;
  color: var(--muted);
  border: 1px dashed #d8c078;
  border-radius: 8px;
  background: #fffefa;
  font-size: 14px;
}

.review-original-detail {
  margin-top: 10px;
  border: 1px solid #dbe4ef;
  border-radius: 8px;
  background: #ffffff;
}

.review-original-detail > summary {
  padding: 9px 10px;
  color: #475569;
  cursor: pointer;
  font-size: 13px;
  font-weight: 800;
}

.review-original-detail > .review-pane {
  margin: 0 10px 10px;
}

.ocr-patch-status {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  flex-wrap: wrap;
  color: #6b4a08;
  font-size: 13px;
}

.ocr-patch-status .text-button {
  min-height: 28px;
  padding: 0 9px;
  font-size: 12px;
}

.ocr-patch-state-label {
  font-weight: 700;
}

.review-workbench-pager {
  min-width: 0;
  display: flex;
  align-items: center;
  justify-content: flex-start;
  gap: 6px;
  flex-wrap: nowrap;
}

.review-workbench-pager .pager {
  gap: 4px;
}

.review-workbench-pager .pager-icon {
  width: 32px;
  min-width: 32px;
  min-height: 32px;
  font-size: 15px;
}

.review-workbench-pager .pager input {
  width: 58px;
  min-height: 32px;
  padding: 5px 7px;
}

.review-workbench-pager .page-count-label {
  min-width: 34px;
}

.review-next-risk-button {
  min-height: 32px;
  padding: 0 10px;
  font-size: 13px;
  font-weight: 700;
  white-space: nowrap;
}

.review-navigation-bar {
  padding: 8px 10px;
  background: #f8fafc;
  border-bottom: 1px solid #e2e8f0;
}

.review-nav-controls {
  min-width: 0;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
}

.review-font-nav-group,
.review-page-nav-group,
.review-block-nav-group {
  min-width: 0;
  min-height: 42px;
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 5px 8px;
  border: 1px solid #dbe4ef;
  border-radius: 8px;
  background: #ffffff;
}

.review-font-nav-group {
  flex: 0 0 auto;
  width: max-content;
  border-color: #d9e2ee;
  background: #ffffff;
}

.review-page-nav-group {
  flex: 0 1 auto;
  border-color: #c9dcf7;
  background: #f6f9ff;
}

.review-block-nav-group {
  flex: 1 1 260px;
  width: 100%;
  border-color: #cfe8dc;
  background: #f7fdf9;
}

.review-nav-group-label {
  flex: 0 0 auto;
  color: #475569;
  font-size: 12px;
  font-weight: 700;
}

.review-block-nav-controls {
  min-width: 0;
  width: 100%;
  display: grid;
  grid-template-columns: auto minmax(120px, 1fr) auto;
  align-items: center;
  gap: 6px;
}

.block-step-button {
  width: 34px;
  min-width: 34px;
  min-height: 32px;
  padding: 0;
  color: #1d4ed8;
  border-color: #bfdbfe;
  background: #eff6ff;
  font-size: 18px;
  font-weight: 800;
}

.block-step-button:hover:not(:disabled),
.block-step-button:focus-visible:not(:disabled) {
  border-color: #93c5fd;
  background: #dbeafe;
}

.review-block-nav-controls select {
  min-width: 0;
  width: 100%;
  min-height: 32px;
  max-width: 240px;
  padding: 5px 8px;
  color: #1f2937;
  border: 1px solid #cbd5e1;
  border-radius: 8px;
  background: #ffffff;
  font-size: 13px;
  font-weight: 700;
}

.review-pane-title-with-action {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}

.preview-close-button {
  min-height: 30px;
  padding: 0 10px;
  font-size: 12px;
}

.ocr-patch-book-render {
  max-height: 46vh;
  overflow: auto;
  margin-top: 10px;
  background: #ffffff;
}

.ocr-patch-preview-issues {
  margin-top: 10px;
  border: 1px solid #dbe4ef;
  border-radius: 8px;
  background: #ffffff;
}

.ocr-patch-preview-issues summary {
  padding: 8px 10px;
  color: #475569;
  cursor: pointer;
  font-size: 12px;
  font-weight: 700;
}

.ocr-patch-preview-issues pre {
  max-height: 200px;
  overflow: auto;
  margin: 0;
  padding: 0 10px 10px;
}

.risk-panel {
  padding: 10px 12px;
  border-bottom: 1px solid var(--line);
  background: #fff8e6;
}

.risk-panel.is-low {
  color: #087f5b;
  background: #eefbf4;
  font-size: 13px;
}

.risk-summary {
  display: grid;
  gap: 2px;
  margin-bottom: 8px;
}

.risk-summary strong {
  color: #7c4a03;
  font-size: 13px;
}

.risk-summary span {
  color: #7c5b15;
  font-size: 12px;
}

.risk-list {
  display: grid;
  gap: 6px;
}

.risk-item {
  padding: 8px;
  border: 1px solid #f2d477;
  border-radius: 8px;
  background: #fffdf5;
}

.risk-item > div {
  display: flex;
  align-items: baseline;
  gap: 8px;
  flex-wrap: wrap;
}

.risk-item strong {
  color: #7c4a03;
  font-size: 12px;
}

.risk-item span {
  color: #8a6a1f;
  font-size: 11px;
}

.risk-item p {
  margin: 5px 0 0;
  color: #475569;
  font-size: 12px;
  line-height: 1.45;
}

.risk-detail {
  margin-top: 8px;
  border: 1px solid #f5df9a;
  border-radius: 8px;
  background: #fffefa;
}

.risk-detail summary {
  min-height: 30px;
  padding: 6px 9px;
  color: #7c4a03;
  cursor: pointer;
  font-size: 12px;
  font-weight: 700;
}

.risk-detail pre {
  max-height: 260px;
  overflow: auto;
  margin: 0;
  padding: 10px;
  border-top: 1px solid #f5df9a;
  color: #1f2937;
  background: #ffffff;
  white-space: pre-wrap;
}

.risk-detail code {
  font: 12px/1.55 "SFMono-Regular", Consolas, "Liberation Mono", monospace;
}

.risk-action {
  margin-top: 8px;
}

.render-body.is-loading,
.render-body.is-error {
  color: var(--muted);
}

.render-body.is-error {
  color: var(--danger);
  background: #fff7f3;
}

.markdown-body {
  color: #1f2937;
  font-family: "Avenir Next", "PingFang SC", "Hiragino Sans GB", "Times New Roman", serif;
  font-size: 16px;
}

.markdown-body h1,
.markdown-body h2,
.markdown-body h3,
.markdown-body h4 {
  margin: 22px 0 12px;
  color: #111827;
  font-family: "Avenir Next", "PingFang SC", "Hiragino Sans GB", sans-serif;
  font-weight: 800;
  line-height: 1.3;
}

.markdown-body h1 {
  font-size: 25px;
  border-bottom: 1px solid var(--line);
  padding-bottom: 8px;
}

.markdown-body h2 {
  font-size: 22px;
}

.markdown-body h3 {
  font-size: 19px;
}

.markdown-body h4 {
  font-size: 17px;
}

.markdown-body h1:first-child,
.markdown-body h2:first-child,
.markdown-body h3:first-child,
.markdown-body h4:first-child {
  margin-top: 0;
}

.markdown-body p {
  margin: 0 0 12px;
}

.markdown-body p:last-child {
  margin-bottom: 0;
}

.markdown-body ul,
.markdown-body ol {
  margin: 0 0 14px;
  padding-left: 24px;
}

.markdown-body li {
  margin: 4px 0;
}

.markdown-body blockquote {
  margin: 14px 0;
  padding: 10px 14px;
  color: #475569;
  border-left: 4px solid #cbd5e1;
  background: #f8fafc;
}

.markdown-table-wrap {
  width: 100%;
  min-width: 0;
  max-width: 100%;
  overflow-x: auto;
  margin: 10px 0 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
}

.markdown-body table {
  width: 100%;
  min-width: 100%;
  max-width: 100%;
  border-collapse: collapse;
  font-size: 14px;
  line-height: 1.45;
  white-space: nowrap;
}

.markdown-body th,
.markdown-body td {
  padding: 8px 10px;
  border: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
}

.markdown-body th {
  background: #f8fafc;
  font-weight: 700;
}

.latex-table-figure {
  margin: 14px 0;
}

.latex-table-figure figcaption {
  margin: 0 0 8px;
  color: #334155;
  font-size: 14px;
  line-height: 1.55;
}

.markdown-body pre {
  width: 100%;
  max-width: 100%;
  overflow-x: auto;
  margin: 10px 0 14px;
  padding: 12px;
  border: 1px solid #cbd5e1;
  border-radius: 8px;
  background: #f8fafc;
}

.markdown-body pre.algorithm-block {
  width: fit-content;
  max-width: 100%;
  min-width: 220px;
  margin-right: auto;
  margin-left: auto;
  background: #fbfcfd;
}

.markdown-body code {
  font: 14px/1.55 "SFMono-Regular", Consolas, monospace;
}

.markdown-body pre code {
  display: block;
  white-space: pre;
}

.mathpix-workbench {
  min-height: 0;
  display: grid;
  grid-template-rows: auto minmax(360px, 1fr);
  background: #fbfcfd;
}

.mathpix-tabs {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 8px 10px;
  border-bottom: 1px solid var(--line);
  background: #f8fafc;
}

.mathpix-tab {
  min-height: 30px;
  padding: 0 12px;
  color: var(--muted);
  background: transparent;
  border: 1px solid transparent;
  border-radius: 7px;
  cursor: pointer;
  font-size: 13px;
  font-weight: 700;
}

.mathpix-tab.is-active {
  color: var(--accent);
  background: #ffffff;
  border-color: #bfd2ee;
  box-shadow: 0 1px 3px rgba(15, 23, 42, 0.06);
}

.mathpix-tab-panel {
  min-height: 0;
  display: none;
}

.mathpix-tab-panel.is-active {
  display: block;
}

.diff-empty {
  min-height: 360px;
  display: grid;
  place-items: center;
  padding: 24px;
  color: var(--muted);
  text-align: center;
  background: #fff;
}

.diff-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 8px 10px;
  border-bottom: 1px solid var(--line);
  color: var(--muted);
  background: #ffffff;
  font-size: 12px;
}

.diff-view {
  min-height: 320px;
  max-height: 560px;
  overflow: auto;
  padding: 8px 0;
  background: #ffffff;
  font: 12px/1.5 "SFMono-Regular", Consolas, "Liberation Mono", monospace;
}

.diff-line {
  display: grid;
  grid-template-columns: 28px minmax(0, 1fr);
  gap: 8px;
  padding: 1px 10px;
  white-space: pre-wrap;
}

.diff-line span {
  color: #64748b;
  text-align: right;
  user-select: none;
}

.diff-line code {
  min-width: 0;
  color: #111827;
  overflow-wrap: anywhere;
}

.diff-line.is-add {
  background: #ecfdf3;
}

.diff-line.is-add span {
  color: #087f5b;
}

.diff-line.is-remove {
  background: #fff1f0;
}

.diff-line.is-remove span {
  color: #c2410c;
}

.markdown-editor {
  width: 100%;
  height: 100%;
  min-width: 0;
  min-height: 360px;
  padding: 14px 16px;
  border: 0;
  outline: 0;
  resize: none;
  color: #111827;
  background: #ffffff;
  font: 13px/1.6 "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  tab-size: 2;
}

.markdown-editor:focus {
  box-shadow: inset 0 0 0 2px rgba(31, 111, 235, 0.22);
}

.live-preview {
  min-height: 360px;
  background: #ffffff;
}

mjx-container,
.mjx-container {
  overflow-x: auto;
  overflow-y: hidden;
  max-width: 100%;
}

mjx-container[display="true"] {
  display: block;
}

.math-display {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  column-gap: 18px;
  width: 100%;
}

.math-display-formula {
  min-width: 0;
  overflow-x: auto;
}

.math-display-equation-tag {
  justify-self: end;
  color: #111827;
  font-family: "Times New Roman", serif;
  font-size: 0.95em;
  white-space: nowrap;
}

@media (max-width: 980px) {
  .control-band {
    grid-template-columns: 1fr 1fr;
  }

  .control-column,
  .workflow-actions,
  .file-summary,
  .pager {
    grid-column: 1 / -1;
  }

  .pager {
    justify-content: flex-start;
    flex-wrap: wrap;
  }

  .column-heads {
    display: none;
  }

  .page-row {
    grid-template-columns: 1fr;
  }

  .preview-panel.is-middle-collapsed .page-row {
    grid-template-columns: 1fr;
  }

  .middle-column-restore {
    min-width: 0;
    min-height: 44px;
    writing-mode: horizontal-tb;
  }

  .column-heads > .column-resizer,
  .page-row > .column-resizer {
    display: none;
  }

  .image-card {
    position: static;
    height: auto;
    max-height: none;
  }

  .page-image-wrap {
    height: auto;
    max-height: none;
  }

  .right-workbench-card,
  .review-sticky-controls {
    position: static;
    height: auto;
    max-height: none;
  }

  .review-nav-controls {
    grid-template-columns: 1fr;
  }

  .review-block-nav-controls {
    grid-template-columns: auto minmax(0, 1fr) auto;
  }
}

@media (min-width: 981px) and (max-width: 1580px) {
  .preview-panel {
    padding-inline: 14px;
  }

  .preview-panel.is-middle-collapsed .column-heads,
  .preview-panel.is-middle-collapsed .page-row {
    grid-template-columns: minmax(0, 1.1fr) 40px minmax(0, 1fr);
  }

}