:root {
  --vellum: #ece8df;
  --vellum_deep: #e2dcd2;
  --ink: #1e2a5a;
  --ink_light: #283593;
  --grid: #c5cad6;
  --muted: #5c6478;
  --rule: #a8b0c4;
  --console: #f7f4ee;
  --focus: #3949ab;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

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

body {
  background-color: var(--vellum);
  background-image:
    linear-gradient(var(--grid) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid) 1px, transparent 1px);
  background-size: 24px 24px;
  color: var(--ink);
  font-family: "Lucida Sans", "Gill Sans", "Trebuchet MS", sans-serif;
  line-height: 1.45;
}

.page_frame {
  max-width: 1180px;
  margin: 0 auto;
  padding: 2rem 1.25rem 4rem;
}

.site_header {
  border-bottom: 1px solid var(--ink);
  padding-bottom: 1.25rem;
  margin-bottom: 1.5rem;
  background: rgba(247, 244, 238, 0.92);
}

.kicker {
  margin: 0 0 0.5rem;
  font-family: "Lucida Console", "Courier New", monospace;
  font-size: 0.68rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
}

h1 {
  margin: 0;
  font-family: "Arial Narrow", "Franklin Gothic Medium", "Nimbus Sans Narrow", sans-serif;
  font-weight: 600;
  font-size: clamp(2rem, 5.5vw, 3.6rem);
  letter-spacing: 0.02em;
  line-height: 1;
  color: var(--ink);
}

.lede {
  max-width: 38rem;
  margin: 0.75rem 0 0;
  color: var(--muted);
  font-size: 0.95rem;
}

.status_message {
  margin: 0 0 1rem;
  padding: 0.65rem 0.85rem;
  border: 1px solid var(--ink);
  background: #e8e4f0;
  font-family: "Lucida Console", "Courier New", monospace;
  font-size: 0.85rem;
}

[hidden] {
  display: none !important;
}

.file_input {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}

.drop_stage {
  position: relative;
  min-height: 16rem;
  border: 1px solid var(--ink);
  background: rgba(247, 244, 238, 0.95);
  cursor: pointer;
  transition: border-color 120ms ease, background-color 120ms ease;
}

.drop_stage.is_dragging {
  border-color: var(--ink_light);
  background: #f0ecf8;
}

.drop_stage_copy {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 16rem;
  padding: 2rem 1.5rem;
  text-align: center;
}

.drop_stage_title {
  margin: 0;
  font-family: "Arial Narrow", "Franklin Gothic Medium", sans-serif;
  font-size: 1.35rem;
  font-weight: 600;
  letter-spacing: 0.03em;
}

.drop_stage_hint {
  margin: 0.5rem 0 1.25rem;
  max-width: 24rem;
  color: var(--muted);
  font-size: 0.9rem;
}

.choose_file_button {
  display: inline-block;
  padding: 0.55rem 1.1rem;
  border: 1px solid var(--ink);
  background: var(--ink);
  color: var(--console);
  font-family: "Lucida Console", "Courier New", monospace;
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  cursor: pointer;
}

.markup_panel {
  margin-top: 1.25rem;
  padding: 1rem;
  border: 1px solid var(--rule);
  background: rgba(247, 244, 238, 0.95);
}

.markup_input {
  display: block;
  width: 100%;
  margin-top: 0.35rem;
  padding: 0.65rem 0.75rem;
  border: 1px solid var(--rule);
  background: #fff;
  color: var(--ink);
  font-family: "Lucida Console", "Courier New", monospace;
  font-size: 0.8rem;
  line-height: 1.4;
  resize: vertical;
  min-height: 7rem;
}

.markup_actions {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-top: 0.65rem;
}

.workspace {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 280px;
  gap: 1.25rem;
  align-items: start;
}

.preview_column {
  min-width: 0;
}

.preview_pair {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.preview_frame {
  margin: 0;
  border: 1px solid var(--rule);
  background: rgba(247, 244, 238, 0.95);
}

.preview_frame figcaption {
  padding: 0.45rem 0.65rem;
  border-bottom: 1px solid var(--rule);
  font-family: "Lucida Console", "Courier New", monospace;
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
}

.preview_surface {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 14rem;
  padding: 0.75rem;
  background: #fff;
}

.preview_surface img {
  max-width: 100%;
  max-height: 280px;
  object-fit: contain;
}

.checkerboard {
  background-color: #fff;
  background-image:
    linear-gradient(45deg, #e8e4f0 25%, transparent 25%),
    linear-gradient(-45deg, #e8e4f0 25%, transparent 25%),
    linear-gradient(45deg, transparent 75%, #e8e4f0 75%),
    linear-gradient(-45deg, transparent 75%, #e8e4f0 75%);
  background-size: 16px 16px;
  background-position: 0 0, 0 8px, 8px -8px, -8px 0;
}

.draft_console {
  padding: 1rem;
  border: 1px solid var(--ink);
  background: var(--console);
}

.field {
  margin-bottom: 1rem;
}

.field_label {
  display: block;
  margin-bottom: 0.35rem;
  font-family: "Lucida Console", "Courier New", monospace;
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--muted);
}

.field_note {
  margin: 0.4rem 0 0;
  font-size: 0.8rem;
  color: var(--muted);
  line-height: 1.35;
}

.number_input {
  display: block;
  width: 100%;
  padding: 0.5rem 0.6rem;
  border: 1px solid var(--rule);
  background: #fff;
  color: var(--ink);
  font-family: "Lucida Console", "Courier New", monospace;
  font-size: 0.9rem;
}

.scale_fieldset {
  margin: 0 0 1rem;
  padding: 0;
  border: none;
}

.scale_fieldset legend {
  padding: 0;
}

.scale_options {
  display: flex;
  gap: 0.5rem;
  margin-top: 0.35rem;
}

.scale_option {
  display: flex;
  align-items: center;
  gap: 0.3rem;
  padding: 0.4rem 0.65rem;
  border: 1px solid var(--rule);
  background: #fff;
  font-family: "Lucida Console", "Courier New", monospace;
  font-size: 0.85rem;
  cursor: pointer;
}

.scale_option input {
  accent-color: var(--ink_light);
}

.readout {
  margin: 0 0 1rem;
  padding: 0.65rem 0;
  border-top: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
}

.readout div {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.2rem 0;
}

.readout dt {
  font-family: "Lucida Console", "Courier New", monospace;
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--muted);
}

.readout dd {
  margin: 0;
  font-family: "Lucida Console", "Courier New", monospace;
  font-size: 0.85rem;
  text-align: right;
}

.action_row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.primary_button,
.secondary_button,
.ghost_button {
  padding: 0.55rem 0.9rem;
  border: 1px solid var(--ink);
  font-family: "Lucida Console", "Courier New", monospace;
  font-size: 0.78rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  cursor: pointer;
}

.primary_button {
  background: var(--ink);
  color: var(--console);
}

.primary_button:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}

.secondary_button {
  background: #fff;
  color: var(--ink);
}

.ghost_button {
  background: transparent;
  color: var(--muted);
  border-color: var(--rule);
}

.primary_button:focus-visible,
.secondary_button:focus-visible,
.ghost_button:focus-visible,
.choose_file_button:focus-visible,
.number_input:focus-visible,
.markup_input:focus-visible,
.scale_option:focus-within {
  outline: 2px solid var(--focus);
  outline-offset: 2px;
}

@media (max-width: 860px) {
  .workspace {
    grid-template-columns: 1fr;
  }

  .preview_pair {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 480px) {
  .page_frame {
    padding: 1.25rem 0.85rem 3rem;
  }

  .drop_stage_copy {
    min-height: 12rem;
    padding: 1.5rem 1rem;
  }

  .markup_actions {
    flex-direction: column;
    align-items: stretch;
  }

  .action_row {
    flex-direction: column;
  }

  .primary_button,
  .secondary_button,
  .ghost_button {
    width: 100%;
    text-align: center;
  }
}