* {
  box-sizing: border-box;
}

html {
  background: var(--gq-color-paper);
  scroll-behavior: smooth;
}

body {
  min-width: 0;
  margin: 0;
  color: var(--gq-color-text);
  background: var(--gq-color-paper);
  font: 16px/1.5 var(--gq-font-ui);
}

button,
textarea,
input {
  font: inherit;
}

button {
  color: inherit;
}

a {
  color: inherit;
}

a:focus-visible,
button:focus-visible,
textarea:focus-visible,
input:focus-visible {
  outline: 2px solid var(--gq-color-ink);
  box-shadow: 0 0 0 4px var(--gq-color-acid);
  outline-offset: 2px;
}

.skip-link {
  position: absolute;
  z-index: 2;
  top: 0.5rem;
  left: 0.5rem;
  padding: 0.65rem 0.85rem;
  border: var(--gq-border-thin) solid var(--gq-color-border-strong);
  border-radius: var(--gq-radius-control);
  background: var(--gq-color-surface);
  transform: translateY(-160%);
}

.skip-link:focus {
  transform: translateY(0);
}

.site-header {
  border-bottom: var(--gq-border-thin) solid var(--gq-color-separator);
  background: var(--gq-color-paper);
}

.site-header__inner {
  display: flex;
  flex-wrap: wrap;
  width: min(calc(100% - 2rem), 88rem);
  min-height: 3.75rem;
  align-items: center;
  gap: var(--gq-space-3);
  margin-inline: auto;
}

.brand {
  display: inline-flex;
  min-height: var(--gq-control-target-min-height);
  align-items: center;
  gap: 0.5rem;
  font-size: var(--gq-text-sm);
  font-weight: 750;
  text-decoration: none;
  text-underline-offset: 0.2em;
}

.brand:hover {
  text-decoration: underline;
  text-decoration-thickness: 1px;
}

.brand-mark {
  display: grid;
  width: 1.65rem;
  height: 1.65rem;
  place-items: center;
  border: var(--gq-border-thin) solid var(--gq-color-ink);
  border-radius: 0.25rem;
  background: var(--gq-color-acid);
  font-family: var(--gq-font-data);
  font-size: 0.9rem;
  font-weight: 700;
}

.header-divider {
  color: var(--gq-color-text-muted);
}

.header-current {
  color: var(--gq-color-text-muted);
  font-size: var(--gq-text-sm);
}

.language-switch {
  display: flex;
  min-height: var(--gq-control-target-min-height);
  align-items: center;
  margin-left: auto;
}

.language-switch a {
  display: inline-flex;
  min-height: var(--gq-control-target-min-height);
  align-items: center;
  padding-inline: 0.55rem;
  border-radius: var(--gq-radius-control);
  font-size: var(--gq-text-sm);
  font-weight: 650;
  text-underline-offset: 0.2em;
}

.language-switch a:hover {
  background: var(--gq-color-paper-subtle);
}

main {
  width: min(calc(100% - 2rem), 88rem);
  margin-inline: auto;
  padding-block: clamp(1.5rem, 4vw, 3.5rem) 2rem;
}

.page-intro {
  max-width: 70rem;
  margin-bottom: var(--gq-space-6);
}

.page-intro__copy {
  min-width: 0;
  max-width: 54rem;
}

.panel-kicker {
  margin: 0;
  color: var(--gq-color-text-muted);
  font-size: var(--gq-text-xs);
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

h1 {
  max-width: 18ch;
  margin: 0.2rem 0 0.65rem;
  font-size: clamp(1.8rem, 4vw, 3rem);
  line-height: 1.12;
  letter-spacing: -0.025em;
}

.intro-copy {
  max-width: 58ch;
  margin: 0;
  color: var(--gq-color-text-muted);
}

.privacy-note {
  max-width: 72ch;
  margin: 0.75rem 0 0;
  color: var(--gq-color-text-muted);
  font-size: var(--gq-text-sm);
}

.language-warning {
  max-width: 72ch;
  margin: 0 0 var(--gq-space-4);
  color: var(--gq-color-text-muted);
  font-size: var(--gq-text-sm);
}

.availability-note {
  margin: 0 0 var(--gq-space-4);
  padding: 0.75rem 1rem;
  border: var(--gq-border-thin) solid var(--gq-color-warning-text);
  border-radius: var(--gq-radius-control);
  background: var(--gq-color-warning-surface);
  color: var(--gq-color-warning-text);
}

.availability-note[hidden] {
  display: none;
}

.workbench-grid {
  display: grid;
  grid-template-areas:
    "options options"
    "source output"
    "status status";
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  align-items: start;
  gap: var(--gq-space-4);
}

.panel {
  min-width: 0;
  padding: clamp(1rem, 2vw, 1.5rem);
  border: var(--gq-border-thin) solid var(--gq-color-separator);
  border-radius: var(--gq-radius-panel);
  background: var(--gq-color-surface);
}

.source-panel {
  grid-area: source;
}

.options-panel {
  grid-area: options;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(15rem, 18rem);
  align-items: center;
  column-gap: var(--gq-space-4);
  margin: 0;
  min-width: 0;
  padding-top: 0.75rem;
  border-style: solid;
}

.options-panel legend {
  max-width: 100%;
  grid-column: 1 / -1;
  padding-inline: 0.45rem;
  color: var(--gq-color-text);
  font-size: var(--gq-text-lg);
  font-weight: 700;
}

.status-panel {
  grid-area: status;
  min-width: 0;
  padding: 0.85rem 1rem;
  border: var(--gq-border-thin) solid var(--gq-color-info-text);
  border-left-width: 4px;
  border-radius: var(--gq-radius-control);
  background: var(--gq-color-info-surface);
}

.output-panel {
  grid-area: output;
}

.panel-heading {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 0.75rem;
  margin-bottom: var(--gq-space-4);
}

.panel-heading h2,
.status-panel h2 {
  margin: 0;
  font-size: var(--gq-text-lg);
  line-height: 1.25;
}

.panel-kicker {
  flex: 0 0 auto;
  letter-spacing: 0.04em;
}

.field-label {
  display: block;
  margin-bottom: 0.4rem;
  color: var(--gq-color-text);
  font-size: var(--gq-text-sm);
  font-weight: 700;
}

.text-area {
  display: block;
  width: 100%;
  min-width: 0;
  min-height: var(--gq-editor-min-height);
  padding: 0.85rem;
  overflow: auto;
  border: var(--gq-border-thin) solid var(--gq-color-control-border);
  border-radius: var(--gq-radius-control);
  background: var(--gq-color-surface);
  color: var(--gq-color-text);
  font: var(--gq-text-sm)/1.65 var(--gq-font-data);
  resize: vertical;
  tab-size: 4;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
}

.text-area::placeholder {
  color: var(--gq-color-text-muted);
  opacity: 1;
}

.output-area[readonly] {
  background: #fbfaf6;
  cursor: text;
}

.field-help,
.field-error,
.normalization-note,
.metrics-note {
  margin: 0.55rem 0 0;
  color: var(--gq-color-text-muted);
  font-size: var(--gq-text-sm);
}

.field-error {
  color: var(--gq-color-danger-text);
  font-weight: 600;
}

.field-error[hidden],
.button[hidden] {
  display: none;
}

.metrics-block {
  margin-top: var(--gq-space-6);
}

.metrics-title {
  margin: 0 0 0.55rem;
  font-size: var(--gq-text-sm);
  font-weight: 700;
}

.metrics-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin: 0;
  border-top: var(--gq-border-thin) solid var(--gq-color-separator);
  border-bottom: var(--gq-border-thin) solid var(--gq-color-separator);
}

.metric {
  min-width: 0;
  padding: 0.55rem 0.7rem;
}

.metric + .metric {
  border-left: var(--gq-border-thin) solid var(--gq-color-separator);
}

.metric dt {
  color: var(--gq-color-text-muted);
  font-size: var(--gq-text-xs);
}

.metric dd {
  margin: 0.1rem 0 0;
  color: var(--gq-color-ink);
  font-family: var(--gq-font-data);
  font-size: var(--gq-text-md);
  font-variant-numeric: tabular-nums;
  overflow-wrap: anywhere;
}

.metrics-note {
  font-size: var(--gq-text-xs);
}

.options-list {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.15rem;
}

.option-row {
  display: grid;
  grid-template-columns: 1.25rem minmax(0, 1fr);
  align-items: start;
  gap: 0.75rem;
  min-width: 0;
  padding: 0.65rem 0.2rem;
  border-right: var(--gq-border-thin) solid var(--gq-color-paper-subtle);
  cursor: pointer;
}

.option-row:last-child {
  border-right: 0;
}

.option-row input {
  width: 1.25rem;
  height: 1.25rem;
  margin: 0.12rem 0 0;
  accent-color: var(--gq-color-ink);
}

.option-copy,
.option-label,
.option-help {
  display: block;
  min-width: 0;
}

.option-label {
  color: var(--gq-color-text);
  font-weight: 650;
}

.option-help {
  margin-top: 0.15rem;
  color: var(--gq-color-text-muted);
  font-size: var(--gq-text-sm);
}

.action-row,
.result-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
  margin-top: var(--gq-space-4);
}

.action-row {
  justify-content: flex-end;
  margin-top: 0;
}

.action-row .button {
  min-width: 7.25rem;
  flex-basis: 7.25rem;
}

.button {
  display: inline-flex;
  min-width: 8rem;
  min-height: var(--gq-control-target-min-height);
  flex: 1 1 auto;
  align-items: center;
  justify-content: center;
  padding: 0.55rem 0.9rem;
  border: var(--gq-border-thin) solid var(--gq-color-border-strong);
  border-radius: var(--gq-radius-control);
  font-size: var(--gq-text-sm);
  font-weight: 700;
  line-height: 1.25;
  text-align: center;
  cursor: pointer;
  transition: background-color var(--gq-duration-fast) var(--gq-ease-standard),
    color var(--gq-duration-fast) var(--gq-ease-standard),
    transform var(--gq-duration-fast) var(--gq-ease-standard);
}

.button-primary {
  background: var(--gq-color-acid);
  color: var(--gq-color-ink);
}

.button-primary:hover:not(:disabled) {
  background: #b5e855;
}

.button-secondary {
  background: var(--gq-color-ink);
  color: var(--gq-color-surface);
}

.button-secondary:hover:not(:disabled) {
  background: #343830;
}

.button-quiet {
  background: var(--gq-color-surface);
  color: var(--gq-color-ink);
}

.button-quiet:hover:not(:disabled) {
  background: var(--gq-color-paper-subtle);
}

.button:active:not(:disabled) {
  transform: translateY(1px);
}

.button:disabled {
  border-color: var(--gq-color-separator);
  background: var(--gq-color-paper-subtle);
  color: var(--gq-color-text-muted);
  cursor: not-allowed;
  opacity: 1;
}

.status-panel h2 {
  margin-bottom: 0.25rem;
  font-size: var(--gq-text-sm);
}

.status-panel p {
  min-height: 1.5em;
  margin: 0;
  color: var(--gq-color-info-text);
}

.normalization-note {
  padding-left: 0.7rem;
  border-left: 3px solid var(--gq-color-acid);
}

.output-metrics {
  margin-top: var(--gq-space-4);
}

.page-footnote {
  margin: var(--gq-space-6) 0 0;
  color: var(--gq-color-text-muted);
  font-size: var(--gq-text-sm);
}

@media (max-width: 47.999rem) {
  .site-header__inner {
    min-height: 3.25rem;
    align-content: center;
    padding-block: 0.2rem;
  }

  main {
    padding-top: 1.5rem;
  }

  .workbench-grid {
    grid-template-areas:
      "source"
      "options"
      "status"
      "output";
    grid-template-columns: minmax(0, 1fr);
    gap: 0.85rem;
  }

  .text-area {
    min-height: 16rem;
  }

  .panel {
    padding: 1rem;
  }

  .options-panel {
    display: block;
    padding-top: 0.65rem;
  }

  .options-list {
    grid-template-columns: minmax(0, 1fr);
  }

  .option-row {
    border-right: 0;
    border-bottom: var(--gq-border-thin) solid var(--gq-color-paper-subtle);
  }

  .option-row:last-child {
    border-bottom: 0;
  }

  .action-row {
    justify-content: stretch;
    margin-top: var(--gq-space-4);
  }

  .metric {
    padding-inline: 0.45rem;
  }

  .metric dd {
    font-size: var(--gq-text-sm);
  }
}

@media (min-width: 75rem) {
  main {
    padding-top: 2.75rem;
  }

  .workbench-grid {
    gap: 1.25rem;
  }

  .text-area {
    min-height: 22rem;
  }
}

@media (max-width: 22rem) {
  .site-header__inner,
  main {
    width: min(calc(100% - 1.25rem), 88rem);
  }

  .panel-heading {
    align-items: flex-start;
    flex-direction: column;
    gap: 0.2rem;
  }

  .action-row,
  .result-actions {
    flex-direction: column;
  }

  .button {
    width: 100%;
  }

  .action-row .button {
    flex-basis: auto;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

@media (forced-colors: active) {
  .brand-mark,
  .button,
  .text-area,
  .panel,
  .status-panel {
    border: 1px solid CanvasText;
  }

  .button-primary,
  .button-secondary,
  .button-quiet,
  .button:disabled {
    background: ButtonFace;
    color: ButtonText;
  }
}

.content-section {
  max-width: 74ch;
  min-width: 0;
  margin-top: clamp(2rem, 5vw, 3.5rem);
}

.content-section h2 {
  margin: 0 0 1rem;
  font-size: var(--gq-text-xl);
  line-height: 1.25;
}

.usage-steps {
  display: grid;
  gap: 1.1rem;
  margin: 0;
  padding-left: 1.4rem;
}

.usage-steps li {
  padding-left: 0.25rem;
}

.usage-steps h3,
.faq-item h3 {
  margin: 0;
  font-size: var(--gq-text-md);
  line-height: 1.4;
}

.usage-steps p,
.faq-item p,
.privacy-section p {
  margin: 0.35rem 0 0;
  color: var(--gq-color-text-muted);
}

.faq-list {
  margin: 0;
}

.faq-item {
  padding-block: 0.9rem;
  border-top: var(--gq-border-thin) solid var(--gq-color-separator);
}

.privacy-section {
  padding-top: 1rem;
  border-top: var(--gq-border-thin) solid var(--gq-color-separator);
}

.privacy-section p {
  max-width: 72ch;
}

@media (max-width: 22rem) {
  .content-section {
    overflow-wrap: anywhere;
  }

  .usage-steps {
    gap: 0.9rem;
    padding-left: 1.15rem;
  }
}