:root {
  color-scheme: light dark;
  font-family:
    Inter,
    ui-sans-serif,
    system-ui,
    -apple-system,
    BlinkMacSystemFont,
    "Segoe UI",
    sans-serif;
  --scan-ink: var(--toolbox-text, #17212b);
  --scan-muted: var(--toolbox-muted, #5f6b76);
  --scan-panel: var(--toolbox-surface, #ffffff);
  --scan-soft: color-mix(
    in srgb,
    var(--scan-panel) 91%,
    var(--toolbox-accent, #296b66)
  );
  --scan-line: color-mix(in srgb, var(--scan-ink) 18%, transparent);
  --scan-accent: var(--toolbox-accent, #176c63);
  --scan-danger: #b3261e;
}

* {
  box-sizing: border-box;
}
button,
input,
select,
textarea {
  font: inherit;
}
button,
select,
input[type="range"] {
  min-height: 2.65rem;
}
button,
select {
  border: 1px solid var(--scan-line);
  border-radius: 0.75rem;
  background: var(--scan-panel);
  color: var(--scan-ink);
  padding: 0.6rem 0.85rem;
}
button {
  cursor: pointer;
  font-weight: 700;
}
button:hover:not(:disabled) {
  border-color: var(--scan-accent);
}
button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible,
[role="slider"]:focus-visible {
  outline: 3px solid color-mix(in srgb, var(--scan-accent) 65%, transparent);
  outline-offset: 2px;
}
button:disabled {
  cursor: not-allowed;
  opacity: 0.55;
}

.workbench {
  width: min(100%, 90rem);
  margin: 0 auto;
  padding: 1rem;
  color: var(--scan-ink);
}
.intro-card,
.empty-card,
.pages-card,
.editor-card,
.export-card,
.preview-card,
.action-panel > section,
.ocr-result {
  border: 1px solid var(--scan-line);
  border-radius: 1rem;
  background: var(--scan-panel);
  box-shadow: 0 0.6rem 1.8rem color-mix(in srgb, #000 7%, transparent);
}
.intro-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  padding: 1.2rem 1.35rem;
}
.intro-card h2,
.section-heading h2,
.export-card h2,
.empty-card h2 {
  margin: 0.15rem 0 0.35rem;
}
.intro-card p:not(.eyebrow) {
  max-width: 72ch;
  margin: 0;
  color: var(--scan-muted);
}
.eyebrow {
  margin: 0;
  color: var(--scan-accent);
  text-transform: uppercase;
  letter-spacing: 0.09em;
  font-size: 0.73rem;
  font-weight: 800;
}
.file-button {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  min-height: 3rem;
  border-radius: 0.8rem;
  background: var(--scan-accent);
  color: #fff;
  padding: 0.7rem 1rem;
  cursor: pointer;
  font-weight: 800;
}
.file-button input {
  position: absolute;
  inline-size: 1px;
  block-size: 1px;
  opacity: 0;
}
.status-line {
  min-height: 1.5rem;
  margin: 0.75rem 0 0;
  color: var(--scan-muted);
}
.error {
  margin: 0.65rem 0;
  border-left: 0.3rem solid var(--scan-danger);
  border-radius: 0.4rem;
  background: color-mix(in srgb, var(--scan-danger) 10%, var(--scan-panel));
  padding: 0.7rem 0.9rem;
}
.empty-card {
  margin-top: 1rem;
  padding: 2rem;
}
.empty-card li + li {
  margin-top: 0.45rem;
}

.workspace-grid {
  display: grid;
  grid-template-columns: 15.5rem minmax(0, 1fr) 15.5rem;
  align-items: start;
  gap: 1rem;
  margin-top: 0.75rem;
}
.pages-card,
.export-card {
  position: sticky;
  top: 5.3rem;
  padding: 1rem;
  max-height: calc(100vh - 6.5rem);
  overflow: auto;
}
.editor-card {
  min-width: 0;
  padding: 1rem;
}
.section-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
}
.section-heading h3 {
  margin: 0;
}
.section-heading small,
.section-heading span {
  color: var(--scan-muted);
}
.page-strip {
  display: grid;
  gap: 0.55rem;
  list-style: none;
  margin: 0.8rem 0;
  padding: 0;
}
.page-strip li {
  position: relative;
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  border: 1px solid var(--scan-line);
  border-radius: 0.8rem;
  overflow: hidden;
  background: var(--scan-soft);
}
.page-strip li.selected {
  border-color: var(--scan-accent);
  box-shadow: inset 0 0 0 1px var(--scan-accent);
}
.page-choice {
  display: grid;
  justify-items: start;
  min-width: 0;
  border: 0;
  border-radius: 0;
  background: transparent;
  text-align: left;
}
.page-choice span,
.page-choice small {
  max-width: 11rem;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.page-choice small {
  color: var(--scan-muted);
}
.drag-hint {
  position: absolute;
  right: 2.6rem;
  color: var(--scan-muted);
  cursor: grab;
}
.icon-button {
  width: 2.45rem;
  border: 0;
  border-left: 1px solid var(--scan-line);
  border-radius: 0;
  background: transparent;
  font-size: 1.3rem;
}
.microcopy {
  margin: 0.35rem 0;
  color: var(--scan-muted);
  font-size: 0.84rem;
  line-height: 1.45;
}

.preview-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.8rem;
  margin: 1rem 0;
}
.preview-card {
  min-width: 0;
  padding: 0.8rem;
}
.preview-card h3 {
  margin: 0;
  font-size: 1rem;
}
.source-stage,
.processed-stage {
  position: relative;
  display: grid;
  place-items: center;
  width: 100%;
  max-height: 28rem;
  overflow: hidden;
  border-radius: 0.6rem;
  background-color: #3c4146;
  background-image:
    linear-gradient(45deg, #454b50 25%, transparent 25%),
    linear-gradient(-45deg, #454b50 25%, transparent 25%),
    linear-gradient(45deg, transparent 75%, #454b50 75%),
    linear-gradient(-45deg, transparent 75%, #454b50 75%);
  background-size: 20px 20px;
  background-position:
    0 0,
    0 10px,
    10px -10px,
    -10px 0;
}
.source-stage img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: contain;
}
.source-stage svg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  touch-action: none;
}
.source-stage polygon {
  fill: color-mix(in srgb, var(--scan-accent) 15%, transparent);
  stroke: #6af8dc;
  stroke-width: 0.65;
  vector-effect: non-scaling-stroke;
}
.source-stage circle {
  fill: #fff;
  stroke: #08776b;
  stroke-width: 0.8;
  vector-effect: non-scaling-stroke;
  cursor: move;
}
.source-stage text {
  pointer-events: none;
  fill: #092b28;
  font-size: 3px;
  font-weight: 900;
  text-anchor: middle;
  dominant-baseline: central;
}
.processed-stage {
  min-height: 12rem;
}
.processed-stage canvas {
  display: block;
  max-width: 100%;
  max-height: 28rem;
  width: auto;
  height: auto;
}

.controls-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.8rem;
  border: 1px solid var(--scan-line);
  border-radius: 0.9rem;
  padding: 0.8rem;
}
.controls-grid legend {
  padding: 0 0.35rem;
  font-weight: 800;
}
.controls-grid label,
.export-card label {
  display: grid;
  gap: 0.3rem;
  font-weight: 700;
  font-size: 0.9rem;
}
.controls-grid output,
.export-card output {
  justify-self: end;
  color: var(--scan-muted);
  font-variant-numeric: tabular-nums;
}
.action-panel {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.8rem;
  margin-top: 0.8rem;
}
.action-panel > section,
.ocr-result {
  padding: 0.9rem;
}
.action-panel h3 {
  margin: 0;
}
.action-panel p {
  color: var(--scan-muted);
}
.button-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
}
.consent {
  display: flex;
  gap: 0.5rem;
  align-items: flex-start;
  margin-bottom: 0.65rem;
}
.consent input {
  margin-top: 0.2rem;
}
.ocr-result {
  margin-top: 0.8rem;
}
.ocr-result textarea {
  display: block;
  width: 100%;
  min-height: 12rem;
  margin: 0.7rem 0;
  resize: vertical;
  border: 1px solid var(--scan-line);
  border-radius: 0.7rem;
  background: var(--scan-soft);
  color: var(--scan-ink);
  padding: 0.7rem;
}
.export-card {
  display: grid;
  gap: 0.8rem;
}
.export-card .primary {
  background: var(--scan-accent);
  color: #fff;
}
.loading {
  width: min(100%, 90rem);
  margin: 2rem auto;
  padding: 1rem;
}
.help-dialog {
  width: min(92vw, 42rem);
  border: 1px solid var(--scan-line);
  border-radius: 1rem;
  background: var(--scan-panel);
  color: var(--scan-ink);
  padding: 1.2rem;
}
.help-dialog::backdrop {
  background: rgb(0 0 0 / 0.52);
}
.dialog-heading {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
}
.dialog-heading h2 {
  margin: 0.2rem 0;
}
.dialog-heading button {
  min-width: 2.65rem;
  font-size: 1.3rem;
}

@media (max-width: 72rem) {
  .workspace-grid {
    grid-template-columns: 14rem minmax(0, 1fr);
  }
  .export-card {
    position: static;
    grid-column: 1 / -1;
    max-height: none;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    align-items: end;
  }
  .export-card > :is(.eyebrow, h2, .microcopy) {
    grid-column: 1 / -1;
  }
}
@media (max-width: 52rem) {
  .intro-card {
    align-items: stretch;
    flex-direction: column;
  }
  .file-button {
    justify-content: center;
  }
  .workspace-grid,
  .preview-grid,
  .action-panel {
    grid-template-columns: 1fr;
  }
  .pages-card,
  .export-card {
    position: static;
    max-height: none;
  }
  .controls-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}
@media (max-width: 34rem) {
  .workbench {
    padding: 0.65rem;
  }
  .section-heading {
    align-items: flex-start;
    flex-direction: column;
  }
  .controls-grid,
  .export-card {
    grid-template-columns: 1fr;
  }
  .export-card > :is(.eyebrow, h2, .microcopy) {
    grid-column: auto;
  }
}
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition: none !important;
  }
}