[hidden] {
  display: none !important;
}
.lab-content-page {
  width: min(1360px, calc(100% - 48px));
}
button,
input,
select {
  font: inherit;
}
button,
select {
  color: var(--ink);
}
button,
.file-label {
  cursor: pointer;
}
button {
  min-height: 36px;
  padding: 6px 12px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--white);
}
button:hover {
  border-color: var(--blue-strong);
}
button:disabled {
  opacity: 0.45;
  cursor: default;
}
button:focus-visible,
input:focus-visible,
select:focus-visible,
canvas:focus-visible,
.file-label:has(+ input:focus-visible) {
  outline: 3px solid var(--blue-strong);
  outline-offset: 3px;
}
input[type="range"],
input[type="checkbox"] {
  accent-color: var(--blue-strong);
}
select,
input[type="number"] {
  background: var(--white);
  color: var(--ink);
  border: 1px solid #b7c4c5;
  border-radius: 5px;
  padding: 5px 8px;
  min-height: 36px;
  max-width: 100%;
}
.compression-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 12px 0 24px;
}
.compression-eyebrow {
  color: var(--blue-strong);
  letter-spacing: 0.13em;
  font:
    700 10px/1.7 Arial,
    sans-serif;
  margin: 0 0 6px;
}
.compression-heading h1 {
  margin: 0;
  font:
    600 clamp(28px, 3vw, 40px)/1.5 "Yu Mincho",
    serif;
}
.compression-heading p:last-child {
  margin: 6px 0 0;
  font-size: 13px;
  color: var(--ink-soft);
}
.related-link {
  font-size: 12px;
  text-underline-offset: 4px;
  white-space: nowrap;
}
.source-panel {
  display: grid;
  grid-template-columns: 158px minmax(0, 1fr);
  gap: 24px;
  padding: 20px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 12px;
}
.source-panel.is-dragging {
  outline: 3px dashed var(--blue-strong);
}
.checker {
  background-color: white;
  background-image: conic-gradient(
    #e4e7e4 25%,
    transparent 0 50%,
    #e4e7e4 0 75%,
    transparent 0
  );
  background-size: 16px 16px;
}
.source-preview {
  align-self: center;
  aspect-ratio: 1;
  border: 1px solid var(--line);
  border-radius: 7px;
  overflow: hidden;
  display: grid;
  place-items: center;
}
.source-preview canvas {
  width: 100%;
  height: 100%;
  object-fit: contain;
}
.source-options h2,
.section-toolbar h2 {
  margin: 0;
  font-size: 16px;
}
.step-number {
  color: var(--blue-strong);
  font:
    italic 20px Georgia,
    serif;
  margin-right: 8px;
}
.preset-buttons,
.source-toolbar,
.section-toolbar,
.comparison-toolbar {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
}
.preset-buttons {
  margin: 12px 0;
}
.preset-buttons button {
  font-size: 12px;
  padding: 5px 13px;
}
.preset-buttons button[aria-pressed="true"] {
  color: white;
  background: var(--ink);
  border-color: var(--ink);
}
.source-toolbar {
  gap: 12px;
  font-size: 12px;
}
.file-label {
  display: inline-flex;
  min-height: 36px;
  align-items: center;
  border-bottom: 1px solid var(--blue-strong);
  color: var(--blue-strong);
  font-weight: 700;
}
.file-input {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  clip-path: inset(50%);
  overflow: hidden;
}
.quiet-button {
  background: transparent;
  border: 0;
  text-decoration: underline;
  text-underline-offset: 4px;
}
.experiment-hint {
  margin: 12px 0 2px;
  font-size: 13px;
  font-weight: 700;
}
.source-meta,
.privacy-note {
  font-size: 11px;
  color: var(--ink-soft);
  margin: 3px 0 0;
}
.results-section {
  padding: 28px 0;
}
.section-toolbar {
  justify-content: space-between;
}
.section-toolbar p {
  margin: 0;
  font-size: 12px;
  color: var(--ink-soft);
}
.section-note,
.metric-key {
  font-size: 12px;
  color: var(--ink-soft);
  margin: 8px 0 14px;
}
.results-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}
.format-card {
  min-width: 0;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 10px;
  overflow: hidden;
}
.results-grid > .format-card {
  display: flex;
  flex-direction: column;
}
.results-grid > .format-card > * {
  flex-shrink: 0;
}
.results-grid > .format-card > .timing {
  margin-top: auto;
}
.format-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  padding: 12px 14px;
}
.format-heading h3 {
  margin: 0;
  font:
    700 18px Arial,
    sans-serif;
}
.format-kind {
  display: inline-block;
  font-size: 13px;
  font-weight: 700;
  color: white;
  background: var(--ink-soft);
  padding: 4px 10px;
  border-radius: 5px;
  white-space: nowrap;
}
.format-kind[data-kind="lossless"] {
  background: var(--mint-strong);
}
.format-kind[data-kind="lossy"] {
  background: var(--coral-strong);
}
.format-card[data-kind="lossless"] {
  border-top: 3px solid var(--mint-strong);
}
.format-card[data-kind="lossy"] {
  border-top: 3px solid var(--coral-strong);
}
.format-card[data-kind="uncompressed"] {
  border-top: 3px solid var(--ink-soft);
}
.compression-key {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 10px;
  margin: 12px 0;
  font-size: 12px;
}
.compression-key > span:nth-child(2) {
  margin-right: 14px;
}
.range-guide {
  grid-column: 2;
  display: flex;
  justify-content: space-between;
  gap: 10px;
  align-self: start;
  margin: 0;
  color: var(--ink-soft);
  font-size: 10px;
}
.range-guide span {
  min-width: 0;
}
.range-guide span:last-child {
  text-align: right;
}
.setting-control {
  display: grid;
  grid-template-columns: auto minmax(40px, 1fr) auto;
  align-items: center;
  gap: 3px 8px;
}
.setting-control > .setting-row {
  display: contents;
}
.setting-control label {
  grid-column: 1;
  grid-row: 1;
  font-size: 12px;
}
.setting-control .setting-row input[type="range"] {
  grid-column: 2;
  grid-row: 1;
  width: 100%;
  margin: 0;
}
.setting-control output {
  grid-column: 3;
  grid-row: 1;
  font-size: 12px;
}
.format-settings {
  container-type: inline-size;
}
@container (max-width: 350px) {
  .setting-control {
    grid-template-columns: 1fr auto;
  }
  .setting-control output {
    grid-column: 2;
  }
  .setting-control .setting-row input[type="range"] {
    grid-column: 1 / -1;
    grid-row: 2;
  }
  .setting-control .range-guide {
    grid-column: 1 / -1;
    grid-row: 3;
  }
}
.setting-row output {
  white-space: nowrap;
}
.detail-controls {
  grid-column: 2;
}
.detail-controls .format-settings {
  min-height: 0;
}
.detail-status {
  margin: 8px 14px;
  font-size: 12px;
  color: var(--ink-soft);
}
.detail-retry {
  margin: 0 14px 12px;
}
.detail-retry:has([hidden]) {
  display: none;
}
.picture-caption {
  margin: 6px 0 0;
  font-size: 11px;
  color: var(--ink-soft);
}
.fixed-label {
  font-size: 11px;
  font-weight: 400;
  color: var(--ink-soft);
}
.comparison-grid .target-comparison figcaption > label {
  display: flex;
  align-items: center;
  gap: 6px;
  width: 100%;
}
.target-comparison select {
  flex: 1;
  min-width: 0;
  max-width: 180px;
}
@media (max-width: 700px) {
  .detail-controls {
    grid-column: 1 / -1;
  }
  .fixed-label {
    font-size: 10px;
  }
}
.thumbnail {
  position: relative;
  height: 148px;
  border-block: 1px solid var(--line);
  display: grid;
  place-items: center;
  overflow: hidden;
}
.thumbnail canvas {
  display: block;
  height: 100%;
  max-width: 100%;
  object-fit: contain;
}
.card-status {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  padding: 20px;
  text-align: center;
  background: #fffef9ee;
  color: var(--ink-soft);
  font-size: 12px;
}
.format-metrics {
  display: grid;
  grid-template-columns: 1.3fr 1fr 1fr;
  margin: 0;
  padding: 12px 14px;
  gap: 8px;
}
.format-metrics dt {
  font-size: 10px;
  color: var(--ink-soft);
}
.format-metrics dd {
  margin: 2px 0 0;
  font:
    700 15px/1.5 Arial,
    sans-serif;
  font-variant-numeric: tabular-nums;
}
.format-metrics div:first-child dd {
  font-size: 21px;
}
.detail-controls .format-metrics {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}
.detail-controls .format-metrics [data-metric="original"],
.detail-controls .format-metrics [data-metric="size"] {
  font-size: 18px;
}
.quality-result {
  margin: 0 14px 10px;
  font-size: 11px;
  color: var(--ink-soft);
  min-height: 20px;
}
.format-settings {
  margin: 0;
  padding: 12px 14px;
  border: 0;
  border-top: 1px solid var(--line);
  display: grid;
  gap: 10px;
  min-height: 126px;
}
.format-settings legend {
  position: absolute;
  clip-path: inset(50%);
}
.setting-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  font-size: 12px;
  min-width: 0;
}
.setting-row label {
  flex-shrink: 0;
}
.setting-row select {
  font-size: 12px;
  min-width: 0;
}
.setting-row input[type="range"] {
  min-width: 40px;
  min-height: 28px;
  flex: 1;
  width: auto;
  margin-left: auto;
}
.setting-row output {
  min-width: 24px;
  text-align: right;
  font-variant-numeric: tabular-nums;
}
.format-tip {
  margin: 0 14px 10px;
  font-size: 11px;
  color: var(--ink-soft);
  min-height: 36px;
}
.card-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px;
  padding: 0 14px 12px;
}
.card-actions button,
.download-link {
  font-size: 11px;
}
.download-link {
  margin-left: auto;
  color: var(--blue-strong);
}
.timing {
  border-top: 1px solid var(--line);
  padding: 7px 14px;
  font-size: 11px;
}
.timing summary {
  cursor: pointer;
  color: var(--ink-soft);
}
.timing .timing-values {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3px;
  margin: 8px 0;
}
.timing .timing-values dd {
  margin: 0;
  text-align: right;
  font-variant-numeric: tabular-nums;
}
.timing h4 {
  margin: 14px 0 6px;
  font-size: 12px;
}
.timing p,
.setting-notes dd {
  margin: 0;
  color: var(--ink-soft);
  line-height: 1.8;
  overflow-wrap: anywhere;
}
.setting-notes {
  display: grid;
  gap: 12px;
  margin: 0 0 8px;
}
.setting-notes dt {
  margin-bottom: 3px;
  font-weight: 700;
}
.format-guide-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  margin: 16px 0;
}
.format-guide-grid section {
  min-width: 0;
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 16px;
  background: var(--white);
}
.format-guide-grid h3 {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 0 0 10px;
  font-size: 17px;
}
.format-guide-grid p,
.format-guide-grid dl {
  margin: 8px 0 0;
  line-height: 1.8;
}
.format-guide-grid dt {
  font-weight: 700;
}
.format-guide-grid dd {
  margin: 0 0 8px;
  color: var(--ink-soft);
}
@media (max-width: 600px) {
  .format-guide-grid {
    grid-template-columns: 1fr;
  }
}
.match-result {
  margin: 8px 14px;
  font-size: 11px;
  color: var(--blue-strong);
}
.detail-section {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 20px;
}
.comparison-toolbar {
  margin-top: 16px;
  gap: 14px;
  font-size: 12px;
}
.comparison-toolbar label {
  display: flex;
  align-items: center;
  gap: 6px;
}
.comparison-toolbar input[type="range"] {
  width: 100px;
}
.comparison-toolbar output {
  min-width: 40px;
}
.comparison-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}
.comparison-grid figure {
  margin: 0;
  min-width: 0;
}
.comparison-grid figcaption {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 12px;
  font-weight: 700;
  min-height: 44px;
}
.compare-view {
  display: block;
  width: 100%;
  height: clamp(220px, 30vw, 420px);
  border: 1px solid var(--line);
  border-radius: 6px;
  cursor: grab;
  touch-action: none;
}
.compare-view:active {
  cursor: grabbing;
}
#diff-figure {
  grid-column: 1 / -1;
}
#diff-figure canvas {
  background: black;
}
.small-details,
.learning-notes {
  font-size: 12px;
}
.small-details summary,
.learning-notes summary {
  cursor: pointer;
  font-weight: 700;
  padding: 10px 0;
}
.small-details p {
  color: var(--ink-soft);
}
.target-section {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: 12px 24px;
  padding: 24px 0;
  margin-top: 14px;
}
.target-section h2 {
  margin: 0;
  font-size: 19px;
}
.target-section p {
  font-size: 12px;
  color: var(--ink-soft);
  margin: 6px 0 0;
}
.target-controls {
  display: flex;
  flex-wrap: wrap;
  align-items: end;
  gap: 8px;
  font-size: 12px;
}
.target-controls label {
  display: grid;
  gap: 4px;
}
.target-controls input {
  width: 90px;
}
.primary-button {
  background: var(--ink);
  color: white;
  border-color: var(--ink);
}
#target-status {
  grid-column: 1/-1;
}
.learning-notes {
  border-top: 1px solid var(--line);
}
.learning-notes > summary {
  padding: 18px 0;
  font-size: 14px;
}
.notes-body {
  max-width: 880px;
}
.notes-body dl {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}
.notes-body dt {
  font-weight: 700;
}
.notes-body dd {
  margin: 6px 0 0;
  color: var(--ink-soft);
}
.error-message {
  color: #a32e27;
  background: #fff0e9;
  border: 1px solid #e8aa96;
  padding: 12px;
  font-size: 13px;
}
@media (max-width: 900px) {
  .results-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .target-section {
    grid-template-columns: 1fr;
  }
  .source-panel {
    grid-template-columns: 120px minmax(0, 1fr);
    gap: 16px;
  }
  .related-link {
    display: none;
  }
}
@media (max-width: 600px) {
  .lab-content-page {
    width: calc(100% - 28px);
  }
  .compression-heading {
    padding: 10px 0 18px;
  }
  .compression-heading p:last-child {
    font-size: 12px;
  }
  .compression-eyebrow {
    font-size: 9px;
  }
  .source-panel {
    grid-template-columns: 64px minmax(0, 1fr);
    padding: 12px;
    gap: 12px;
  }
  .source-preview {
    align-self: start;
  }
  .source-options h2 {
    font-size: 15px;
  }
  .preset-buttons {
    margin-left: -76px;
    padding-top: 28px;
    gap: 6px;
  }
  .source-toolbar,
  .experiment-hint,
  .source-meta,
  .privacy-note {
    margin-left: -76px;
  }
  .source-toolbar {
    gap: 8px;
  }
  .preset-buttons button {
    padding: 5px 10px;
  }
  .results-grid {
    grid-template-columns: 1fr;
  }
  .thumbnail {
    height: 170px;
  }
  .format-settings {
    min-height: 0;
  }
  .format-tip {
    min-height: 0;
  }
  .detail-section {
    padding: 12px;
  }
  .comparison-grid {
    gap: 8px;
  }
  .compare-view {
    height: 220px;
  }
  .comparison-toolbar {
    gap: 10px;
  }
  .comparison-toolbar label:has(#zoom) {
    flex-basis: 100%;
  }
  #zoom {
    flex: 1;
  }
  .notes-body dl {
    grid-template-columns: 1fr;
    gap: 14px;
  }
  .section-toolbar h2 {
    font-size: 15px;
  }
  .target-controls {
    align-items: end;
  }
  .target-controls .primary-button {
    flex: 1;
  }
  .source-preview canvas {
    max-height: 64px;
  }
}
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
}

#fullscreen-toggle {
  margin-left: auto;
  flex: 0 0 auto;
  border-color: var(--ink);
  font-weight: 700;
}
#fullscreen-toggle[aria-pressed="true"] {
  color: white;
  background: var(--ink);
}
@media (min-width: 1100px) {
  .comparison-grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr) 280px;
    align-items: start;
  }
  .comparison-grid > .original-comparison {
    grid-column: 1;
    grid-row: 1;
  }
  .comparison-grid > .target-comparison {
    grid-column: 2;
    grid-row: 1;
  }
  .comparison-grid > .detail-controls {
    grid-column: 3;
    grid-row: 1;
    max-height: min(560px, calc(100dvh - 190px));
    min-height: 260px;
    overflow-y: auto;
    overscroll-behavior: contain;
    scrollbar-width: thin;
  }
  .comparison-grid.has-difference > .detail-controls {
    grid-row: 1 / span 2;
  }
  .comparison-grid > #diff-figure {
    grid-column: 1 / span 2;
    grid-row: 2;
  }
  .comparison-grid .compare-view {
    height: clamp(280px, 34vw, 470px);
  }
}
body.has-fullscreen-card {
  overflow: hidden;
}
.detail-section:is(.is-fullscreen, :fullscreen) {
  position: fixed;
  inset: 0;
  z-index: 1000;
  display: flex;
  flex-direction: column;
  gap: 8px;
  width: 100%;
  height: 100dvh;
  max-width: none;
  max-height: none;
  margin: 0;
  padding: 10px;
  overflow: hidden;
  border: 0;
  border-radius: 0;
  background: var(--paper);
}
.detail-section:is(.is-fullscreen, :fullscreen)
  > :is(.section-toolbar, .comparison-hint, .small-details) {
  display: none;
}
.detail-section:is(.is-fullscreen, :fullscreen) .comparison-toolbar {
  margin: 0;
  min-height: 36px;
  flex-shrink: 0;
}
.detail-section:is(.is-fullscreen, :fullscreen) .comparison-grid {
  flex: 1;
  min-height: 0;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr) 280px;
  grid-template-rows: minmax(0, 1fr);
  align-items: stretch;
  gap: 10px;
}
.detail-section:is(.is-fullscreen, :fullscreen)
  .comparison-grid.has-difference {
  grid-template-rows: repeat(2, minmax(0, 1fr));
}
.detail-section:is(.is-fullscreen, :fullscreen)
  .comparison-grid
  > :is(.original-comparison, .target-comparison, #diff-figure) {
  display: flex;
  flex-direction: column;
  min-height: 0;
  overflow: hidden;
}
.detail-section:is(.is-fullscreen, :fullscreen) .original-comparison {
  grid-column: 1;
  grid-row: 1;
}
.detail-section:is(.is-fullscreen, :fullscreen) .target-comparison {
  grid-column: 2;
  grid-row: 1;
}
.detail-section:is(.is-fullscreen, :fullscreen) figcaption {
  flex-shrink: 0;
  min-height: 36px;
}
.detail-section:is(.is-fullscreen, :fullscreen) .compare-view {
  flex: 1;
  min-height: 0;
  height: 0;
}
.detail-section:is(.is-fullscreen, :fullscreen) .picture-caption {
  display: none;
}
.detail-section:is(.is-fullscreen, :fullscreen)
  .comparison-grid
  > .detail-controls {
  grid-column: 3;
  grid-row: 1 / -1;
  min-height: 0;
  max-height: none;
  height: 100%;
  overflow-y: auto;
  overscroll-behavior: contain;
  scrollbar-width: thin;
}
.detail-section:is(.is-fullscreen, :fullscreen) #diff-figure {
  grid-column: 1 / span 2;
  grid-row: 2;
}
@media (max-width: 900px) {
  .detail-section:is(.is-fullscreen, :fullscreen) {
    padding: 6px;
    gap: 6px;
  }
  .detail-section:is(.is-fullscreen, :fullscreen) .comparison-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    grid-template-rows: minmax(0, 1fr) minmax(130px, 27%);
    gap: 6px;
  }
  .detail-section:is(.is-fullscreen, :fullscreen)
    .comparison-grid.has-difference {
    grid-template-rows: minmax(0, 1fr) minmax(0, 0.8fr) minmax(130px, 27%);
  }
  .detail-section:is(.is-fullscreen, :fullscreen)
    .comparison-grid
    > .detail-controls {
    grid-column: 1 / -1;
    grid-row: 2;
  }
  .detail-section:is(.is-fullscreen, :fullscreen)
    .comparison-grid.has-difference
    > .detail-controls {
    grid-row: 3;
  }
  .detail-section:is(.is-fullscreen, :fullscreen)
    .comparison-toolbar
    label:has(#zoom) {
    flex-basis: auto;
    flex: 1;
  }
  .detail-section:is(.is-fullscreen, :fullscreen) #zoom {
    width: 55px;
    min-width: 40px;
  }
}