:root { color: #1d2426; background: #f7f5ef; font-family: system-ui, sans-serif; }
body { margin: 0; }
header { background: #243b3b; color: #f7f5ef; padding: 1.5rem max(1.5rem, calc((100% - 88rem) / 2)); }
header h1, header p { margin: 0 0 .5rem; }
main { max-width: 120rem; margin: 0 auto; padding: 1rem 1.5rem; }
.toolbar { align-items: center; display: flex; flex-wrap: wrap; gap: .7rem; margin-bottom: 1rem; }
button, select, input { font: inherit; }
button { background: #243b3b; border: 0; border-radius: .25rem; color: #fff; cursor: pointer; padding: .5rem .75rem; }
button:disabled { cursor: not-allowed; opacity: .45; }
.toggle { background: #89918e; border: 0; border-radius: 999px; cursor: pointer; height: 1.45rem; padding: .15rem; transition: background 150ms ease; width: 2.7rem; }
.toggle-thumb { background: #fff; border-radius: 50%; display: block; height: 1.15rem; transform: translateX(0); transition: transform 150ms ease; width: 1.15rem; }
.toggle[aria-checked="true"] { background: #243b3b; }
.toggle[aria-checked="true"] .toggle-thumb { transform: translateX(1.25rem); }
.toggle:focus-visible { outline: 2px solid #72511f; outline-offset: 2px; }
.layout { align-items: start; display: grid; gap: 1rem; grid-template-columns: minmax(0, 1fr) 16rem; }
.plate-canvas { background: #ddd; line-height: 0; overflow: auto; }
.plate-canvas svg { display: block; height: auto; max-width: none; width: 100%; }
.plate-canvas.character-canvas {
  align-items: start;
  display: flex;
  height: calc(100vh - 12rem);
  justify-content: center;
  min-height: 20rem;
  overflow: visible;
}
.plate-canvas.character-canvas svg {
  height: calc(100% - 1rem);
  overflow: visible;
  width: auto;
}
.crop { cursor: move; fill: rgba(68, 120, 255, .08); stroke: #1857d5; stroke-width: 2; vector-effect: non-scaling-stroke; }
.crop.classification-section_marker { fill: rgba(28, 135, 91, .14); stroke: #1c875b; }
.crop.classification-strip_number { fill: rgba(218, 126, 24, .16); stroke: #da7e18; }
.crop.classification-unassigned { fill: rgba(0, 0, 0, .1); stroke: #000; }
.crop.classification-punctuation { fill: rgba(244, 67, 54, .2); stroke: #d32f2f; }
.crop.selected {
  stroke-dasharray: 1 7;
  stroke-linecap: round;
  stroke-width: 3;
}
.crop-label { fill: #123b91; font: 32px system-ui, sans-serif; pointer-events: none; stroke: #fff; stroke-width: 4; paint-order: stroke; }
.editor { background: #fff; border: 1px solid #d9d6cd; border-radius: .4rem; padding: 1rem; position: sticky; top: 1rem; }
.editor label { display: grid; gap: .2rem; margin: .45rem 0; }
.quadrilateral-point { border-top: 1px solid #d9d6cd; margin-top: .5rem; padding-top: .25rem; }
.quadrilateral-point strong { display: block; margin-bottom: .25rem; }
.source-view { background: #fff; border: 1px solid #d9d6cd; border-radius: .4rem; grid-column: 1 / -1; padding: 1rem; }
.source-view h2 { margin-top: 0; }
.source-shift-panel {
  background: #eef5f1;
  border: 1px solid #9bb6a2;
  border-radius: .4rem;
  margin: 1rem 0;
  padding: .75rem 1rem;
}
.source-shift-panel p { margin: .4rem 0 .7rem; }
.source-shift-panel button { margin: .2rem .35rem .2rem 0; }
.source-shift-panel button:disabled { cursor: not-allowed; opacity: .45; }
#source-shift-kill { background: #9b2424; }
#source-shift-remove { background: #b75000; }
#source-workbench { align-items: start; display: grid; gap: 1rem; grid-template-columns: minmax(0, 1fr) minmax(24rem, 36rem); }
#source-workbench:has(#source-sidebar:not(:has(> :not([hidden])))) { grid-template-columns: minmax(0, 1fr); }
#alignment-view {
  min-width: 0;
  overflow: hidden;
  padding-bottom: .5rem;
}
#source-sidebar {
  display: grid;
  gap: 1rem;
  max-height: calc(100vh - 2rem);
  overflow-y: auto;
  position: sticky;
  top: 1rem;
}
#source-sidebar:not(:has(> :not([hidden]))) { display: none; }
#source-align-panel { background: #f8f7f2; border: 1px solid #d9d6cd; border-radius: .4rem; display: grid; gap: 1rem; grid-template-columns: minmax(12rem, 16rem) minmax(0, 1fr); grid-template-rows: auto minmax(0, 1fr); padding: .75rem; }
#source-align-panel h3 { grid-column: 1; grid-row: 1; margin: 0; }
#source-align-description { display: none; }
#source-align-controls { grid-column: 1; grid-row: 2; min-width: 0; }
#source-align-panel label { display: grid; gap: .25rem; }
#source-align-panel label:has(input[type="checkbox"]) { display: block; margin: .6rem 0; }
#source-align-strip, #source-align-item { max-width: 20rem; width: max-content; }
#source-align-strip-view { align-items: flex-start; direction: rtl; display: flex; flex-direction: row; flex-wrap: wrap; gap: 0; grid-column: 2; grid-row: 1 / span 2; margin: .75rem 0; max-height: 60vh; overflow: hidden; }
.source-align-segment { flex: 0 0 auto; position: relative; }
#source-align-panel #source-align-strip-view img.source-align-page { display: block; height: min(60vh, 50rem); margin: 0; max-width: none; object-fit: contain; width: auto; }
.source-align-character {
  background: rgba(255, 220, 70, .15);
  border: 2px solid rgba(180, 120, 0, .8);
  cursor: pointer;
  margin: 0 !important;
  padding: 0;
  position: absolute;
}
.source-align-character:hover, .source-align-character.selected {
  background: rgba(255, 170, 0, .4);
  border-color: #9b2424;
  z-index: 1;
}
.source-align-character.aligned {
  background: transparent;
  border-color: #000;
  cursor: pointer;
  opacity: .85;
}
.source-align-character.aligned:hover {
  background: transparent;
  border-color: #000;
}
.source-align-character.aligned.selected {
  background: rgba(255, 170, 0, .4);
  border-color: #9b2424;
  opacity: 1;
  z-index: 2;
}
.source-align-character.unavailable {
  background: transparent;
  border-color: #000;
  cursor: not-allowed;
  opacity: .85;
}
.source-align-character.unavailable:hover {
  background: transparent;
  border-color: #000;
}
#source-align-panel img { display: block; height: 7rem; margin: .75rem 0; max-width: 7rem; object-fit: contain; }
#source-align-panel button { margin: .2rem .35rem .2rem 0; }
#source-align-panel button:disabled { cursor: not-allowed; opacity: .45; }
#source-align-save { background: #35623f; }
#source-search-results { margin: .5rem 0 1rem; max-height: 20rem; overflow: auto; }
.source-search-table { border-collapse: collapse; width: 100%; }
.source-search-table th, .source-search-table td { border-bottom: 1px solid #d9d6cd; padding: .25rem .5rem; text-align: left; }
.source-search-table th { background: #f8f7f2; position: sticky; top: 0; }
.source-search-open { padding: .25rem .5rem; }
.source-coverage { background: #fff8df; border: 1px solid #d8b45a; border-radius: .4rem; margin: 1rem 0; padding: .75rem 1rem; }
.source-coverage h3 { margin: 0 0 .4rem; }
.source-coverage p { margin: .4rem 0 .7rem; }
#source-coverage-results { max-height: 20rem; overflow: auto; }
.source-coverage-table { border-collapse: collapse; width: 100%; }
.source-coverage-table th, .source-coverage-table td { border-bottom: 1px solid #d8c98f; padding: .25rem .5rem; text-align: left; }
.source-coverage-table th { background: #fff2c7; position: sticky; top: 0; }
.source-coverage-open { padding: .25rem .5rem; }
.alignment-paragraph { margin: 1.5rem 0; }
.alignment-line {
  align-items: start;
  display: flex;
  flex-wrap: wrap;
  gap: .2rem;
  margin: .7rem 0;
  max-width: 100%;
}
.alignment-cell { background: #f8f7f2; border-bottom: 2px solid #d9d6cd; min-width: 3rem; padding: .25rem; text-align: center; }
.alignment-cell.non-graph { background: #f0f0f0; min-width: 2rem; }
.alignment-cell.search-match { background: #dcecff; box-shadow: inset 0 0 0 3px #2878c8; }
.alignment-cell.mapped { border-bottom-color: #35623f; }
.alignment-cell.unmapped { background: #fff0ed; border-bottom-color: #b75000; }
.alignment-cell.broken { background: #fff8df; border-bottom-color: #a87900; }
.alignment-cell.lacuna { background: #f0f0f0; border-bottom-color: #777; }
.alignment-cell.broken { cursor: pointer; }
.alignment-text { font-family: "Reviewer Dataset Han", "Noto Serif CJK TC", "Source Han Serif TC", serif; font-size: 1.7rem; min-height: 2.2rem; white-space: nowrap; }
.alignment-ids-glyph {
  font-family: "Odes IDS Glyphs";
  font-feature-settings: "rlig" 1;
  font-variant-ligatures: contextual;
  white-space: nowrap;
}
.alignment-ids-source {
  font-family: "Noto Serif CJK TC", "Source Han Serif TC", serif;
  white-space: nowrap;
}
.alignment-ids-brace { font-size: 0; }
.alignment-cell img { display: block; height: 4.5rem; margin: .25rem auto 0; max-width: 4.5rem; object-fit: contain; width: auto; }
.alignment-placeholder {
  background: #c62828;
  height: 4.5rem;
  margin: .25rem auto 0;
  width: 4.5rem;
}
.alignment-missing { align-items: center; color: #856404; display: flex; font-size: .78rem; height: 4.5rem; justify-content: center; line-height: 1.1; margin: .25rem auto 0; max-width: 4.5rem; }
.alignment-shift {
  background: #35623f;
  font-size: .75rem;
  margin-top: .25rem;
  opacity: 0;
  padding: .25rem .4rem;
}
.alignment-cell:hover .alignment-shift, .alignment-shift:focus { opacity: 1; }
.alignment-cell.broken .alignment-shift { opacity: 1; }
.alignment-cell.shift-selected { outline: 3px solid #b75000; outline-offset: -3px; }
.alignment-cell.multi-selected { outline: 3px solid #2878c8; outline-offset: -3px; }
.source-red-filter { align-items: center; display: inline-flex; }
.source-red-filter input {
  margin: 0 .35rem 0 0;
}
.source-red-filter span {
  background: #d93025;
  border: 2px solid #8f1d16;
  display: inline-block;
  height: 1rem;
  width: 1rem;
}
.source-transcription-panel {
  background: #eef4ff;
  border: 1px solid #9db8df;
  padding: .75rem;
}
.source-transcription-panel h3 { margin: 0 0 .5rem; }
.source-transcription-panel label { display: grid; gap: .2rem; margin: .5rem 0; }
.source-transcription-panel input { font-family: inherit; padding: .35rem; }
.source-transcription-actions { display: grid; gap: .2rem; }
.source-transcription-row { display: flex; flex-wrap: wrap; gap: .2rem; }
.source-transcription-panel button { margin: 0; }
#source-transcription-lacuna-empty,
#source-transcription-lacuna-missing,
#source-transcription-repetition,
#source-transcription-ids {
  align-items: center;
  box-sizing: border-box;
  display: inline-flex;
  height: 2.25rem;
  justify-content: center;
  line-height: 1;
  width: 5.5rem;
}
.source-transcription-ids-palette {
  display: grid;
  gap: .4rem;
  margin-top: .4rem;
}
.source-transcription-ids-palette label {
  display: grid;
  gap: .2rem;
  margin: 0;
}
.source-transcription-ids-options {
  display: flex;
  flex-wrap: wrap;
  gap: .2rem;
}
.source-transcription-ids-options button {
  font-family: "Odes IDS Glyphs", sans-serif;
  min-width: 2.25rem;
  padding: .35rem .5rem;
}
.source-transcription-ids-options .source-transcription-ids-operator {
  font-family: inherit;
}
.editor h2 { font-size: 1rem; margin-top: 0; }
.editor label { display: grid; gap: .2rem; margin: .7rem 0; }
.editor input { padding: .35rem; }
#load-error { color: #ffd9d9; }
#save {
  display: inline-block;
  min-width: 24rem;
  color: #35623f;
  font-size: .9rem;
  white-space: nowrap;
}
#delete-crop { background: #9b2424; margin-top: 1.5rem; width: 100%; }
#view-zoom { display: inline-flex; gap: .2rem; }
#view-zoom button { min-width: 2.2rem; padding: .5rem; }
#page-controls, #character-strip-controls { align-items: center; display: inline-flex; gap: .7rem; }
#classification-actions {
  border: 0;
  display: grid;
  gap: .35rem;
  margin: 1rem 0 0;
  padding: 0;
}
#classification-actions legend { font-weight: 600; padding: 0; }
#classification-actions button { text-align: left; }
#classification-actions button.active { background: #b75000; }

.image-review-list {
  display: grid;
  gap: 1rem;
  padding: 1rem 0;
}
.image-review-row {
  align-items: start;
  background: #fff;
  border: 1px solid #d9d6cd;
  border-radius: .4rem;
  display: grid;
  gap: 1rem;
  grid-template-columns: 8rem minmax(0, 1fr);
  padding: 1rem;
}
.image-review-preview {
  align-items: center;
  display: flex;
  flex-direction: column;
  gap: .4rem;
  justify-content: center;
  min-height: 7rem;
}
.image-review-preview img {
  background: #fff;
  border: 1px solid #d9d6cd;
  max-height: 7rem;
  max-width: 7rem;
  object-fit: contain;
}
.image-review-wangbi {
  color: #56605c;
  font-size: 1.15rem;
  line-height: 1.25;
  overflow-wrap: anywhere;
  text-align: center;
}
.image-review-details {
  display: grid;
  gap: .6rem;
}
.image-review-occurrences {
  color: #56605c;
  font-size: .9rem;
  margin: 0;
}
.image-review-details label {
  display: grid;
  gap: .25rem;
}
.image-review-input,
.image-review-notes {
  box-sizing: border-box;
  font: inherit;
  padding: .4rem .5rem;
  width: 100%;
}
.image-review-save {
  justify-self: start;
}
.image-review-save.saved {
  background: #35623f;
}
.image-review-save.failed {
  background: #9b2424;
}
@media (max-width: 38rem) {
  .image-review-row { grid-template-columns: 1fr; }
}
[hidden] { display: none !important; }
@media (max-width: 52rem) { .layout { grid-template-columns: 1fr; } .editor { position: static; } }
@media (max-width: 70rem) {
  #source-workbench { grid-template-columns: 1fr; }
  #source-sidebar { max-height: none; position: static; }
  #source-align-panel { grid-template-columns: 1fr; grid-template-rows: none; }
  #source-align-panel h3 { grid-column: 1 / -1; grid-row: auto; }
  #source-align-strip-view { grid-column: 1; grid-row: auto; }
  #source-align-controls { grid-column: 1; }
}