:root {
  color-scheme: light;
  --ink: #1e293b;
  --muted: #596a7c;
  --line: #dce3ec;
  --accent: #265c91;
  --bg: #f1f4f8;
  --paper: #fff;
  font:
    16px/1.6 -apple-system,
    BlinkMacSystemFont,
    "Segoe UI",
    "PingFang SC",
    "Microsoft YaHei",
    sans-serif;
}
* {
  box-sizing: border-box;
}
[hidden] {
  display: none !important;
}
body {
  margin: 0;
  color: var(--ink);
  background: var(--bg);
}
a {
  color: var(--accent);
  text-underline-offset: 3px;
}
button,
input,
select,
textarea {
  font: inherit;
  color: inherit;
}
button {
  min-height: 38px;
  padding: 6px 12px;
  border: 1px solid #bccada;
  border-radius: 6px;
  background: white;
  cursor: pointer;
}
button:hover {
  background: #eef4fa;
  border-color: #7194b8;
}
button:disabled {
  cursor: default;
  opacity: 0.55;
}
.primary {
  background: var(--accent);
  border-color: var(--accent);
  color: white;
}
.primary:hover {
  background: #204d79;
  color: #fff;
}
input:not([type="checkbox"]),
select,
textarea {
  width: 100%;
  border: 1px solid #bac7d6;
  background: #fff;
  border-radius: 5px;
  padding: 8px;
  min-width: 0;
}
textarea {
  resize: vertical;
}
label {
  display: block;
  margin: 10px 0;
}
label > input[type="checkbox"] {
  margin-right: 7px;
}
label > select,
label > input,
label > textarea {
  margin-top: 4px;
}
:focus-visible {
  outline: 3px solid #6795c7;
  outline-offset: 2px;
}
h1 {
  font-size: 20px;
  line-height: 1.4;
  margin: 0 0 12px;
}
h2 {
  font-size: 16px;
  margin: 12px 0;
}
p {
  margin: 8px 0;
}
.hint {
  color: var(--muted);
  font-size: 16px;
}
.topbar {
  min-height: 60px;
  display: flex;
  align-items: center;
  gap: 22px;
  padding: 12px 22px;
  background: white;
  border-bottom: 1px solid var(--line);
}
.topbar strong {
  margin-right: auto;
}
.topbar span {
  color: var(--muted);
}
#message {
  min-height: 28px;
  padding: 4px 20px;
  color: #314d6d;
}
#message.error {
  color: #a32c32;
  background: #fff0f0;
}
.workspace {
  display: grid;
  grid-template-columns: 208px minmax(350px, 1fr) 350px;
  height: calc(100dvh - 88px);
  gap: 1px;
  background: var(--line);
}
.task-column,
.material-column,
.label-column {
  min-width: 0;
  overflow: auto;
  background: var(--paper);
}
.task-column {
  padding: 12px;
  background: #f8fafc;
}
.material-column {
  padding: 20px;
}
.label-column {
  padding: 0 16px 24px;
}
.row {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
}
.row > h2 {
  margin-right: auto;
}
.task-item {
  display: block;
  text-align: left;
  width: 100%;
  margin: 8px 0;
  padding: 12px;
  overflow-wrap: anywhere;
}
.task-item[aria-current="true"] {
  border-color: #265c91;
  background: #e8f0f9;
  box-shadow: inset 3px 0 #265c91;
}
.task-item small {
  display: block;
  color: var(--muted);
}
.content-heading {
  border-bottom: 1px solid var(--line);
  padding-bottom: 16px;
}
.content-heading .row {
  font-size: 16px;
  color: var(--muted);
}
.text-panel {
  padding: 12px 0 18px;
}
.source-text {
  white-space: pre-wrap;
  overflow-wrap: anywhere;
  font-size: 16px;
  line-height: 1.9;
  user-select: text;
}
.reference {
  border-left: 3px solid #a8b8ca;
  background: #f7f9fc;
  padding: 8px 12px;
  margin: 12px 0;
}
.media-panel {
  border: 1px solid var(--line);
  border-radius: 8px;
  overflow: hidden;
}
.tools {
  padding: 10px;
  background: #f6f8fb;
}
.tools select {
  width: auto;
  max-width: 220px;
}
.media-panel > .hint {
  padding: 0 12px;
}
.stage {
  height: 390px;
  position: relative;
  overflow: auto;
  background: #e9edf3;
  display: flex;
  align-items: flex-start;
  justify-content: flex-start;
  padding: 0;
}
#image-wrap {
  position: relative;
  flex-shrink: 0;
  margin: auto;
}
#image {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: fill;
}
#regions {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  touch-action: none;
  cursor: crosshair;
}
#regions rect {
  fill: rgba(36, 101, 165, 0.12);
  stroke: #155c9e;
  stroke-width: 3;
  vector-effect: non-scaling-stroke;
}
#regions rect.comparison-region {
  fill: rgba(190, 117, 26, 0.12);
  stroke: #a75f11;
  stroke-dasharray: 12 7;
  stroke-width: 4;
}
#video {
  width: 100%;
  height: 100%;
  background: #182330;
}
#media-error {
  padding: 24px;
  overflow-wrap: anywhere;
}
.thumbnails {
  display: flex;
  gap: 6px;
  overflow: auto;
  padding: 10px;
}
.thumbnails button {
  flex-shrink: 0;
  font-size: 16px;
}
.thumbnails button[aria-pressed="true"] {
  border-color: #265c91;
  background: #e8f0f9;
}
#video-tools {
  padding: 12px;
}
#video-tools input[type="number"] {
  width: 90px;
}
.save-bar {
  position: sticky;
  top: 0;
  z-index: 2;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  background: #fff;
  padding: 14px 0;
  border-bottom: 1px solid var(--line);
}
#save-status {
  width: 100%;
  font-size: 16px;
  color: var(--muted);
}
fieldset {
  border: 1px solid var(--line);
  border-radius: 6px;
  margin: 12px 0;
  padding: 10px;
}
.theme-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4px;
}
.theme-grid label {
  font-size: 16px;
  margin: 4px 0;
}
.evidence {
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 10px;
  margin: 8px 0;
  overflow-wrap: anywhere;
}
.evidence button {
  font-size: 16px;
  margin-right: 6px;
}
.evidence p {
  font-size: 16px;
}
.empty {
  padding: 60px 20px;
  text-align: center;
  color: var(--muted);
}
#comparison-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}
#comparison-grid article {
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 6px;
  overflow-wrap: anywhere;
}
.difference {
  background: #fff3d5;
  padding: 3px 6px;
}
.comparison-evidence {
  border-color: #a75f11 !important;
  background: #fff7e7 !important;
}
.region-fields {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 8px;
}
#keyboard-region,
#region-editor {
  margin: 10px;
}
#regions .own-region {
  cursor: move;
}
#regions .selected-region {
  stroke: #0c4380;
  stroke-width: 5;
}
#regions .resize-handle {
  fill: #265c91;
  stroke: white;
  cursor: nwse-resize;
}
#regions .comparison-region {
  pointer-events: none;
}
.thumbnails button {
  width: 94px;
  min-height: 66px;
  white-space: normal;
}
.thumbnails img {
  display: block;
  width: 72px;
  height: 48px;
  object-fit: contain;
  margin: auto;
}
.comparison-evidence-button {
  display: block;
  margin: 8px 0;
  width: 100%;
  text-align: left;
}
::highlight(review-evidence) {
  background: #ffe1a3;
  color: #3e2e10;
}
@media (max-width: 560px) {
  .region-fields {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip-path: inset(50%);
}
.admin-shell {
  max-width: 1360px;
  margin: 24px auto;
  padding: 0 20px;
}
.card {
  background: #fff;
  border: 1px solid var(--line);
  padding: 20px;
  border-radius: 8px;
  margin: 16px 0;
  overflow-wrap: anywhere;
}
.card h2 {
  margin-top: 0;
}
.admin-columns {
  display: grid;
  grid-template-columns: minmax(220px, 300px) minmax(0, 1fr) minmax(240px, 320px);
  gap: 18px;
  align-items: start;
}
.detail-pane-tabs {
  display: none;
}
.work-detail > [data-detail-pane-panel="handling"] {
  position: sticky;
  top: 82px;
}
.work-detail > [data-detail-pane-panel="handling"] h3 {
  font-size: 16px;
  margin: 20px 0 8px;
}
.work-detail > [data-detail-pane-panel="handling"] .button-link {
  display: inline-flex;
  margin: 4px 4px 4px 0;
  min-height: 36px;
  padding: 7px 10px;
  font-size: 16px;
}
.candidate {
  display: block;
  width: 100%;
  text-align: left;
  margin: 8px 0;
}
.resource-line {
  margin: 12px 0;
  padding: 12px;
  background: #f5f8fb;
  border: 1px solid var(--line);
}
.resource-line a {
  overflow-wrap: anywhere;
}
pre {
  white-space: pre-wrap;
  overflow-wrap: anywhere;
  max-height: 400px;
  overflow: auto;
}
@media (min-height: 900px) {
  .stage {
    height: 510px;
  }
}
@media (max-width: 1150px) {
  .workspace {
    grid-template-columns: 180px minmax(300px, 1fr) 310px;
  }
  .material-column {
    padding: 12px;
  }
  .tools {
    gap: 4px;
  }
}
@media (max-width: 900px) {
  .workspace {
    height: auto;
    grid-template-columns: 160px minmax(0, 1fr);
  }
  .label-column {
    grid-column: 2;
  }
  .material-column {
    min-height: 600px;
  }
  .task-column {
    grid-row: span 2;
  }
  .save-bar {
    position: static;
  }
  .topbar {
    flex-wrap: wrap;
  }
  .admin-columns {
    grid-template-columns: minmax(210px, 250px) minmax(0, 1fr);
  }
  .work-detail > [data-detail-pane-panel="handling"] {
    position: static;
    grid-column: 1 / -1;
  }
}
@media (max-width: 560px) {
  .detail-pane-tabs {
    display: flex;
    gap: 6px;
    position: sticky;
    top: 65px;
    z-index: 7;
    padding: 8px 0;
    background: var(--bg);
  }
  .detail-pane-tabs button {
    flex: 1;
    min-height: 36px;
    padding: 5px 8px;
    font-size: 16px;
  }
  .detail-pane-tabs button[aria-pressed="true"] {
    color: var(--accent);
    border-color: var(--accent);
    background: var(--soft);
  }
  .work-detail[data-active-pane="list"] > [data-detail-pane-panel="material"],
  .work-detail[data-active-pane="list"] > [data-detail-pane-panel="handling"],
  .work-detail[data-active-pane="material"] > [data-detail-pane-panel="list"],
  .work-detail[data-active-pane="material"] > [data-detail-pane-panel="handling"],
  .work-detail[data-active-pane="handling"] > [data-detail-pane-panel="list"],
  .work-detail[data-active-pane="handling"] > [data-detail-pane-panel="material"] {
    display: none;
  }
  .work-detail[data-active-pane="list"] > [data-detail-pane-panel="list"],
  .work-detail[data-active-pane="material"] > [data-detail-pane-panel="material"],
  .work-detail[data-active-pane="handling"] > [data-detail-pane-panel="handling"] {
    display: block;
    grid-column: auto;
  }
  .workspace {
    display: block;
  }
  .task-column {
    max-height: 260px;
  }
  .stage {
    height: 300px;
  }
  .topbar {
    gap: 12px;
    padding: 12px;
  }
  .material-column,
  .label-column {
    padding: 12px;
  }
  #comparison-grid {
    grid-template-columns: 1fr;
  }
}

.workspace.tasks-collapsed {
  grid-template-columns: 0 minmax(350px, 1fr) 350px;
}
.tasks-collapsed .task-column {
  padding: 0;
  visibility: hidden;
}
@media (max-width: 900px) {
  .workspace.tasks-collapsed {
    grid-template-columns: 0 minmax(0, 1fr);
  }
}
.preview-holder img,
.preview-holder video {
  display: block;
  max-width: 100%;
  max-height: 420px;
  margin: 12px auto;
}
.check-state {
  color: #455d77;
}