:root {
  --shelf: #d8d8d4;
  --thermal: #f7f7f5;
  --ink: #121212;
  --muted: #5a5a56;
  --rule: #bdbdb8;
  --accent: #1f4fd6;
  --warn: #7a2d00;
  --warn_bg: #ffe8d6;
  --focus: #0b57d0;
  --die: #8a8a86;
}

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

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

body {
  background:
    linear-gradient(180deg, #cfcfcb 0%, var(--shelf) 18%, #c9c9c5 100%);
  color: var(--ink);
  font-family: "IBM Plex Mono", "SFMono-Regular", "Consolas", "Liberation Mono", monospace;
  line-height: 1.45;
}

[hidden] {
  display: none !important;
}

.dock {
  max-width: 1080px;
  margin: 0 auto;
  padding: 1.5rem 1rem 3rem;
}

.dock_header {
  margin-bottom: 1.25rem;
}

.dock_stamp {
  margin: 0 0 0.5rem;
  font-size: 0.68rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
}

h1 {
  margin: 0;
  font-size: clamp(1.7rem, 4.5vw, 2.6rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.05;
}

.dock_note {
  max-width: 38rem;
  margin: 0.65rem 0 0;
  color: var(--muted);
  font-size: 0.92rem;
}

.status_line {
  margin: 0 0 0.85rem;
  padding: 0.65rem 0.8rem;
  border: 1px solid var(--ink);
  background: var(--warn_bg);
  color: var(--warn);
  font-size: 0.88rem;
}

.label_sheet {
  position: relative;
  background: var(--thermal);
  border: 1px solid var(--rule);
  box-shadow:
    0 1px 0 #fff inset,
    0 14px 28px rgba(0, 0, 0, 0.12);
}

.die_cut {
  position: absolute;
  inset: 0.55rem;
  border: 1px dashed var(--die);
  pointer-events: none;
}

.label_grid {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
  gap: 0;
}

.input_panel,
.preview_panel {
  padding: 1.35rem 1.2rem 1.5rem;
}

.input_panel {
  border-right: 1px solid var(--rule);
}

.panel_heading {
  margin: 0 0 1rem;
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  font-weight: 600;
}

.field {
  margin-bottom: 1rem;
}

.field_row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 0.75rem;
  margin-bottom: 0.35rem;
}

.field_label {
  display: block;
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-weight: 600;
}

.inline_label {
  display: inline;
  text-transform: none;
  letter-spacing: 0;
  font-weight: 500;
}

.field_value {
  font-size: 0.82rem;
  color: var(--muted);
}

.field_hint {
  margin: 0.45rem 0 0;
  font-size: 0.8rem;
  color: var(--muted);
}

.content_input {
  width: 100%;
  margin-top: 0.35rem;
  padding: 0.7rem 0.75rem;
  border: 1px solid var(--ink);
  background: #fff;
  color: var(--ink);
  font: inherit;
  resize: vertical;
  min-height: 6.5rem;
}

.content_input::placeholder {
  color: #8a8a86;
}

.correction_fieldset {
  margin: 0 0 1rem;
  padding: 0;
  border: 0;
}

.correction_row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  margin-top: 0.45rem;
}

.chip_label {
  display: inline-flex;
  cursor: pointer;
}

.chip_label input {
  position: absolute;
  opacity: 0;
  width: 1px;
  height: 1px;
}

.chip_label span {
  display: inline-block;
  padding: 0.35rem 0.55rem;
  border: 1px solid var(--rule);
  background: #fff;
  font-size: 0.78rem;
  letter-spacing: 0.02em;
}

.chip_label input:checked + span {
  border-color: var(--ink);
  background: var(--ink);
  color: #fff;
}

.chip_label input:focus-visible + span {
  outline: 2px solid var(--focus);
  outline-offset: 2px;
}

input[type="range"] {
  width: 100%;
  accent-color: var(--ink);
}

.checkbox_field {
  display: flex;
  align-items: center;
  gap: 0.55rem;
}

.checkbox_field input {
  width: 1rem;
  height: 1rem;
  accent-color: var(--ink);
}

.color_fields {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
}

.color_row {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  margin-top: 0.35rem;
}

.color_row input[type="color"] {
  width: 2.5rem;
  height: 2rem;
  padding: 0;
  border: 1px solid var(--ink);
  background: #fff;
  cursor: pointer;
}

.color_hex {
  font-size: 0.82rem;
  color: var(--muted);
}

.contrast_warning {
  margin: 0;
  padding: 0.55rem 0.65rem;
  border: 1px solid #c86d2d;
  background: var(--warn_bg);
  color: var(--warn);
  font-size: 0.82rem;
}

.preview_stage {
  min-height: 14rem;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
  border: 1px solid var(--rule);
  background:
    repeating-linear-gradient(
      0deg,
      #f0f0ee,
      #f0f0ee 1px,
      #f7f7f5 1px,
      #f7f7f5 3px
    );
}

.preview_empty {
  margin: 0;
  color: var(--muted);
  font-size: 0.88rem;
  text-align: center;
}

.qr_canvas {
  display: block;
  max-width: 100%;
  height: auto;
  image-rendering: pixelated;
  border: 1px solid var(--ink);
  background: #fff;
}

.readout {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.5rem;
  margin: 1rem 0;
  padding: 0;
}

.readout div {
  border-top: 1px solid var(--rule);
  padding-top: 0.55rem;
}

.readout dt {
  margin: 0;
  font-size: 0.68rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
}

.readout dd {
  margin: 0.15rem 0 0;
  font-size: 0.92rem;
  font-weight: 600;
}

.action_row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
}

.print_button,
.ghost_button {
  font: inherit;
  font-size: 0.82rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  cursor: pointer;
  padding: 0.65rem 0.9rem;
  border: 1px solid var(--ink);
}

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

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

.print_button:disabled,
.ghost_button:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}

.print_button:not(:disabled):hover,
.ghost_button:not(:disabled):hover {
  filter: brightness(1.05);
}

.print_button:focus-visible,
.ghost_button:focus-visible,
.content_input:focus-visible,
input[type="range"]:focus-visible,
input[type="color"]:focus-visible,
.checkbox_field input:focus-visible {
  outline: 2px solid var(--focus);
  outline-offset: 2px;
}

@media (max-width: 820px) {
  .label_grid {
    grid-template-columns: 1fr;
  }

  .input_panel {
    border-right: 0;
    border-bottom: 1px solid var(--rule);
  }

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

@media (max-width: 480px) {
  .readout {
    grid-template-columns: 1fr;
  }

  .correction_row {
    display: grid;
    grid-template-columns: 1fr 1fr;
  }
}