:root {
  color-scheme: light;
  --paper: oklch(95.5% 0.018 78);
  --paper-raised: oklch(98% 0.012 78);
  --paper-deep: oklch(91.5% 0.026 76);
  --ink: oklch(25% 0.032 248);
  --ink-soft: oklch(43% 0.025 248);
  --ink-faint: oklch(58% 0.02 248);
  --rule: oklch(78% 0.024 76);
  --rule-strong: oklch(60% 0.03 248);
  --accent: oklch(57% 0.19 31);
  --accent-deep: oklch(47% 0.17 29);
  --accent-wash: oklch(91% 0.055 43);
  --success: oklch(47% 0.1 153);
  --success-wash: oklch(90% 0.055 150);
  --warning: oklch(61% 0.13 72);
  --danger: oklch(50% 0.18 27);
  --focus: oklch(52% 0.15 248);
  --font-ui: "Microsoft YaHei UI", "Source Han Sans SC", "PingFang SC", sans-serif;
  --font-display: "Noto Serif SC", "Songti SC", STSong, Georgia, serif;
  --font-data: "Cascadia Code", "SFMono-Regular", Consolas, monospace;
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-12: 3rem;
  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
  --ease-toggle: cubic-bezier(0.65, 0, 0.35, 1);
}

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

html {
  min-width: 20rem;
  background: var(--paper);
  scroll-behavior: smooth;
}

body {
  min-height: 100vh;
  margin: 0;
  background-color: var(--paper);
  color: var(--ink);
  font-family: var(--font-ui);
  font-size: 1rem;
  line-height: 1.5;
  font-kerning: normal;
}

button,
input,
textarea {
  font: inherit;
}

button,
input,
textarea,
summary,
.file-trigger {
  -webkit-tap-highlight-color: transparent;
}

button:focus-visible,
input:focus-visible,
textarea:focus-visible,
summary:focus-visible,
.file-trigger:focus-within,
a:focus-visible {
  outline: 3px solid var(--focus);
  outline-offset: 3px;
}

.skip-link {
  position: fixed;
  inset: 0 auto auto 0;
  z-index: 10;
  width: 1px;
  height: 1px;
  overflow: hidden;
  padding: 0;
  clip-path: inset(50%);
  background: var(--ink);
  color: var(--paper-raised);
  text-decoration: none;
  white-space: nowrap;
}

.skip-link:focus {
  inset: var(--space-3) auto auto var(--space-3);
  width: auto;
  height: auto;
  overflow: visible;
  padding: var(--space-3) var(--space-4);
  clip-path: none;
}

.masthead {
  display: flex;
  min-height: 7.5rem;
  align-items: stretch;
  justify-content: space-between;
  border-bottom: 1px solid var(--ink);
  background: var(--paper-raised);
}

.brand-lockup {
  display: flex;
  align-items: stretch;
  gap: clamp(1.25rem, 3vw, 3rem);
  padding-left: max(1rem, env(safe-area-inset-left));
}

.brand-index {
  display: grid;
  width: clamp(5rem, 8vw, 8rem);
  place-items: center;
  border-right: 1px solid var(--ink);
  background: var(--ink);
  color: var(--paper-raised);
  font-family: var(--font-data);
  font-size: 0.75rem;
  letter-spacing: 0.12em;
}

.brand-lockup > div {
  align-self: center;
  padding-block: var(--space-4);
}

.eyebrow,
.section-number {
  margin: 0;
  color: var(--ink-soft);
  font-family: var(--font-data);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.11em;
  line-height: 1.4;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  margin-bottom: 0;
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3.65rem);
  font-weight: 700;
  letter-spacing: -0.045em;
  line-height: 1;
}

h2 {
  margin-bottom: 0;
  font-family: var(--font-display);
  font-size: 1.75rem;
  line-height: 1.15;
}

h3 {
  margin-bottom: 0;
  font-size: 0.9rem;
  letter-spacing: 0.03em;
}

.safety-strip {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-4) max(1.25rem, env(safe-area-inset-right)) var(--space-4) var(--space-6);
  color: var(--ink-soft);
  font-family: var(--font-data);
  font-size: 0.68rem;
  letter-spacing: 0.08em;
}

.safety-mark {
  width: 0.6rem;
  height: 0.6rem;
  background: var(--success);
  box-shadow: 0 0 0 0.22rem var(--success-wash);
}

.strip-divider {
  width: 1px;
  height: 1.25rem;
  background: var(--rule);
}

.shell {
  display: grid;
  min-height: calc(100vh - 10rem);
  grid-template-columns: minmax(14rem, 0.72fr) minmax(33rem, 1.65fr) minmax(21rem, 1fr);
}

.flow-rail,
.workbench,
.inspector {
  min-width: 0;
}

.flow-rail {
  display: flex;
  flex-direction: column;
  border-right: 1px solid var(--ink);
  background: var(--paper-deep);
}

.rail-heading,
.section-heading {
  display: flex;
  min-height: 7.5rem;
  align-items: flex-start;
  gap: var(--space-4);
  padding: var(--space-6);
  border-bottom: 1px solid var(--rule);
}

.rail-heading .section-number,
.section-heading .section-number {
  color: var(--accent);
}

.flow-list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.flow-step {
  position: relative;
  display: grid;
  min-height: 5.75rem;
  grid-template-columns: 2rem minmax(0, 1fr) auto;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-4) var(--space-4) var(--space-4) var(--space-6);
  border-bottom: 1px solid var(--rule);
  transition: background-color 180ms var(--ease-toggle), color 180ms var(--ease-toggle);
}

.flow-step::before {
  position: absolute;
  inset: 0 auto 0 0;
  width: 0.25rem;
  background: transparent;
  content: "";
  transition: background-color 180ms var(--ease-toggle);
}

.step-index {
  color: var(--ink-soft);
  font-family: var(--font-data);
  font-size: 0.75rem;
}

.step-copy {
  display: grid;
  gap: 0.2rem;
}

.step-copy strong {
  font-size: 0.9rem;
}

.step-copy small,
.step-state {
  color: var(--ink-soft);
  font-size: 0.72rem;
}

.step-state {
  font-family: var(--font-data);
}

.flow-step[data-status="active"] {
  background: var(--accent-wash);
}

.flow-step[data-status="active"]::before {
  background: var(--accent);
}

.flow-step[data-status="active"] .step-state {
  color: var(--accent-deep);
  font-weight: 700;
}

.flow-step[data-status="done"]::before {
  background: var(--success);
}

.flow-step[data-status="done"] .step-index,
.flow-step[data-status="done"] .step-state {
  color: var(--success);
}

.flow-step[data-status="error"] {
  background: oklch(92% 0.045 28);
}

.flow-step[data-status="error"]::before {
  background: var(--danger);
}

.flow-step[data-status="error"] .step-state {
  color: var(--danger);
  font-weight: 700;
}

.source-note {
  margin-top: auto;
  padding: var(--space-8) var(--space-6);
}

.source-note p:not(.eyebrow) {
  margin: var(--space-2) 0;
  font-size: 0.85rem;
}

.source-note code {
  color: var(--ink-soft);
  font-family: var(--font-data);
  font-size: 0.68rem;
}

.workbench {
  border-right: 1px solid var(--ink);
  background: var(--paper-raised);
}

.workbench-heading {
  justify-content: space-between;
  align-items: center;
}

.workbench-heading > div:first-child,
.inspector-heading > div:first-child {
  display: grid;
  grid-template-columns: auto 1fr;
  column-gap: var(--space-4);
}

.workbench-heading h2,
.inspector-heading h2 {
  grid-column: 2;
}

.text-button {
  min-height: 2.75rem;
  padding: 0 var(--space-2);
  border: 0;
  border-bottom: 1px solid currentColor;
  background: transparent;
  color: var(--accent-deep);
  cursor: pointer;
  font-size: 0.82rem;
  font-weight: 700;
}

.text-button:hover {
  color: var(--accent);
}

.text-button:disabled {
  color: var(--ink-faint);
  cursor: not-allowed;
}

.text-button.compact {
  min-height: 2rem;
  font-size: 0.72rem;
}

form {
  display: block;
}

fieldset {
  min-width: 0;
  margin: 0;
  padding: 0;
  border: 0;
}

.form-section,
.advanced-section {
  padding: var(--space-8) clamp(1.25rem, 3vw, 3rem);
  border-bottom: 1px solid var(--rule);
}

.form-section legend {
  display: flex;
  width: 100%;
  align-items: baseline;
  justify-content: space-between;
  gap: var(--space-4);
  margin-bottom: var(--space-6);
  padding: 0;
}

.form-section legend span,
.advanced-section summary strong {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 700;
}

.form-section legend small,
.advanced-section summary small {
  color: var(--ink-soft);
  font-size: 0.7rem;
}

.field {
  display: grid;
  align-content: start;
  gap: var(--space-2);
  min-width: 0;
}

.field label,
.route-label {
  color: var(--ink-soft);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.optional {
  color: var(--ink-faint);
  font-weight: 400;
}

input,
textarea {
  width: 100%;
  min-height: 2.8rem;
  border: 1px solid var(--rule-strong);
  border-radius: 0;
  background: var(--paper-raised);
  color: var(--ink);
  caret-color: var(--accent);
  font-family: var(--font-data);
  font-size: 0.8rem;
  line-height: 1.5;
  transition: border-color 120ms linear, background-color 120ms linear;
}

input {
  padding: 0.65rem 0.75rem;
}

textarea {
  min-height: 6.5rem;
  padding: var(--space-3);
  resize: vertical;
}

input:hover,
textarea:hover {
  border-color: var(--ink);
}

input:focus,
textarea:focus {
  border-color: var(--focus);
  background: oklch(99% 0.008 78);
}

input::placeholder,
textarea::placeholder {
  color: oklch(49% 0.018 248);
}

[aria-invalid="true"] {
  border-color: var(--danger);
  background: oklch(97% 0.02 28);
}

.full-field + .full-field {
  margin-top: var(--space-6);
}

.label-row,
.field-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
}

.file-trigger {
  min-height: 2rem;
  border-bottom: 1px solid currentColor;
  color: var(--accent-deep);
  cursor: pointer;
  font-size: 0.7rem;
  line-height: 2rem;
}

#credential-file {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  clip-path: inset(50%);
}

.field-meta small {
  color: var(--ink-soft);
  font-size: 0.72rem;
}

.ephemeral-tag {
  padding: 0.1rem 0.35rem;
  border: 1px solid var(--success);
  color: var(--success);
  font-family: var(--font-data);
  font-size: 0.6rem;
  letter-spacing: 0.08em;
}

.secret-field {
  position: relative;
}

.secret-field input {
  padding-right: 4rem;
}

.reveal-button {
  position: absolute;
  inset: 0 0 0 auto;
  width: 3.75rem;
  border: 0;
  border-left: 1px solid var(--rule);
  background: transparent;
  color: var(--ink-soft);
  cursor: pointer;
  font-size: 0.7rem;
}

.reveal-button:hover {
  background: var(--paper-deep);
  color: var(--ink);
}

.field-error,
.group-error {
  min-height: 1.25rem;
  margin: var(--space-1) 0 0;
  color: var(--danger);
  font-size: 0.72rem;
}

.segmented-control {
  display: inline-grid;
  grid-template-columns: repeat(2, minmax(7rem, 1fr));
  margin-bottom: var(--space-6);
  border: 1px solid var(--ink);
}

.segmented-control label {
  cursor: pointer;
}

.segmented-control label + label {
  border-left: 1px solid var(--ink);
}

.segmented-control input {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
}

.segmented-control span {
  display: grid;
  min-height: 2.75rem;
  place-items: center;
  padding: 0 var(--space-4);
  color: var(--ink-soft);
  font-size: 0.78rem;
  font-weight: 700;
}

.segmented-control input:checked + span {
  background: var(--ink);
  color: var(--paper-raised);
}

.segmented-control input:focus-visible + span {
  outline: 3px solid var(--focus);
  outline-offset: 3px;
}

.route-section {
  container-type: inline-size;
}

.route-grid,
.parameter-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-4);
}

.route-grid[hidden] {
  display: none;
}

.field-wide,
.field-span-2 {
  grid-column: 1 / -1;
}

.country-pair {
  display: grid;
  grid-template-columns: minmax(7rem, 1fr) auto minmax(7rem, 1fr);
  align-items: end;
  gap: var(--space-4);
  margin-top: var(--space-6);
  padding-top: var(--space-6);
  border-top: 1px dashed var(--rule-strong);
}

.country-block {
  display: grid;
  gap: var(--space-2);
}

.route-arrow {
  padding-bottom: 0.7rem;
  color: var(--accent);
  font-size: 1.5rem;
}

.compact-field {
  grid-template-columns: 1fr 4.25rem;
  align-items: center;
}

.compact-field input {
  text-transform: uppercase;
}

.switch-field {
  display: grid;
  grid-column: 1 / -1;
  grid-template-columns: 2.5rem 1fr;
  align-items: center;
  gap: var(--space-3);
  min-height: 3rem;
  cursor: pointer;
}

.switch-field input {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
}

.switch-track {
  position: relative;
  width: 2.5rem;
  height: 1.3rem;
  border: 1px solid var(--rule-strong);
  background: var(--paper-deep);
  transition: background-color 150ms var(--ease-toggle);
}

.switch-track span {
  position: absolute;
  top: 0.15rem;
  left: 0.15rem;
  width: 0.9rem;
  height: 0.9rem;
  background: var(--ink-faint);
  transition: transform 150ms var(--ease-toggle), background-color 150ms var(--ease-toggle);
}

.switch-field input:checked + .switch-track {
  border-color: var(--success);
  background: var(--success-wash);
}

.switch-field input:checked + .switch-track span {
  transform: translateX(1.15rem);
  background: var(--success);
}

.switch-field input:focus-visible + .switch-track {
  outline: 3px solid var(--focus);
  outline-offset: 3px;
}

.switch-field > span:last-child {
  display: grid;
}

.switch-field strong {
  font-size: 0.8rem;
}

.switch-field small {
  color: var(--ink-soft);
  font-size: 0.68rem;
}

.checkout-section .parameter-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.advanced-section {
  padding-block: 0;
}

.advanced-section summary {
  display: flex;
  min-height: 5.5rem;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  cursor: pointer;
  list-style: none;
}

.advanced-section summary::-webkit-details-marker {
  display: none;
}

.advanced-section summary > span:first-child {
  display: grid;
  gap: 0.2rem;
}

.summary-mark {
  color: var(--accent);
  font-family: var(--font-data);
  font-size: 1.5rem;
  transition: transform 220ms var(--ease-toggle);
}

.advanced-section[open] .summary-mark {
  transform: rotate(45deg);
}

.advanced-body {
  padding-bottom: var(--space-8);
}

.form-actions {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: var(--space-3);
  padding: var(--space-6) clamp(1.25rem, 3vw, 3rem) var(--space-8);
}

.action-copy {
  display: grid;
  margin-right: auto;
}

.action-copy strong {
  font-size: 0.78rem;
}

.action-copy small {
  color: var(--ink-soft);
  font-size: 0.68rem;
}

.action-copy code {
  font-family: var(--font-data);
}

.primary-button,
.secondary-button {
  position: relative;
  min-height: 3.25rem;
  padding: 0 var(--space-6);
  border: 1px solid var(--ink);
  border-radius: 0;
  cursor: pointer;
  font-weight: 800;
}

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

.secondary-button:hover {
  background: var(--paper-deep);
}

.primary-button {
  min-width: 10.75rem;
  overflow: hidden;
  background: var(--accent);
  color: var(--paper-raised);
}

.primary-button:hover {
  background: var(--accent-deep);
}

.primary-button:active,
.secondary-button:active {
  transform: translateY(1px);
}

.primary-button:disabled {
  cursor: wait;
}

.button-label {
  position: relative;
  z-index: 1;
}

.button-progress {
  position: absolute;
  inset: 0;
  transform: scaleX(0);
  transform-origin: left;
  background: var(--accent-deep);
  transition: transform 300ms var(--ease-out);
}

.primary-button[data-progress="1"] .button-progress { transform: scaleX(0.18); }
.primary-button[data-progress="2"] .button-progress { transform: scaleX(0.38); }
.primary-button[data-progress="3"] .button-progress { transform: scaleX(0.6); }
.primary-button[data-progress="4"] .button-progress { transform: scaleX(0.8); }
.primary-button[data-progress="5"] .button-progress { transform: scaleX(1); }

.inspector {
  background: var(--paper);
}

.inspector-heading {
  align-items: center;
  justify-content: space-between;
}

.run-state {
  padding: 0.35rem 0.5rem;
  border: 1px solid var(--rule-strong);
  color: var(--ink-soft);
  font-family: var(--font-data);
  font-size: 0.66rem;
  letter-spacing: 0.06em;
}

.run-state[data-state="running"] {
  border-color: var(--accent);
  background: var(--accent-wash);
  color: var(--accent-deep);
}

.run-state[data-state="success"] {
  border-color: var(--success);
  background: var(--success-wash);
  color: var(--success);
}

.run-state[data-state="error"] {
  border-color: var(--danger);
  color: var(--danger);
}

.inspector-section {
  padding: var(--space-6);
  border-bottom: 1px solid var(--rule);
}

.subheading-row {
  display: flex;
  min-height: 2.75rem;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  margin-bottom: var(--space-3);
}

.subheading-row > span {
  color: var(--ink-soft);
  font-size: 0.65rem;
}

.cli-preview pre {
  min-height: 8rem;
  margin: 0;
  overflow-x: auto;
  padding: var(--space-4);
  border: 1px solid var(--ink);
  background: var(--ink);
  color: oklch(90% 0.035 88);
  font-family: var(--font-data);
  font-size: 0.7rem;
  line-height: 1.7;
  white-space: pre-wrap;
  word-break: break-word;
}

#log-list {
  min-height: 10rem;
  max-height: 16rem;
  margin: 0;
  overflow-y: auto;
  padding: 0;
  list-style: none;
  scrollbar-color: var(--rule-strong) transparent;
}

#log-list li {
  display: grid;
  grid-template-columns: 3.75rem 0.75rem 1fr;
  gap: var(--space-2);
  padding: 0.6rem 0;
  border-bottom: 1px dashed var(--rule);
  font-size: 0.72rem;
}

#log-list time,
#log-list .log-mark {
  color: var(--ink-faint);
  font-family: var(--font-data);
}

#log-list li[data-kind="active"] .log-mark { color: var(--accent); }
#log-list li[data-kind="success"] .log-mark { color: var(--success); }
#log-list li[data-kind="error"] .log-mark { color: var(--danger); }

#log-list .empty-log {
  display: flex;
  align-items: flex-start;
  gap: var(--space-2);
  color: var(--ink-soft);
}

.result-empty {
  display: grid;
  min-height: 11rem;
  place-items: center;
  align-content: center;
  gap: var(--space-3);
  border: 1px dashed var(--rule-strong);
  text-align: center;
}

.result-empty p {
  max-width: 29ch;
  margin-bottom: 0;
  color: var(--ink-soft);
  font-size: 0.72rem;
}

.empty-glyph {
  color: var(--rule-strong);
  font-family: var(--font-data);
  font-size: 1.5rem;
}

.result-grid {
  margin: 0;
  border-top: 1px solid var(--ink);
}

.result-row {
  display: grid;
  grid-template-columns: minmax(7.5rem, 0.8fr) minmax(0, 1.2fr);
  padding: 0.65rem 0;
  border-bottom: 1px solid var(--rule);
  gap: var(--space-3);
}

.result-row dt {
  color: var(--ink-soft);
  font-family: var(--font-data);
  font-size: 0.68rem;
}

.result-row dd {
  min-width: 0;
  margin: 0;
  overflow-wrap: anywhere;
  font-family: var(--font-data);
  font-size: 0.7rem;
  font-variant-numeric: tabular-nums;
}

.result-row[data-key="ok"] dd,
.result-row[data-key="amount_verification"] dd {
  color: var(--success);
  font-weight: 700;
}

.footer {
  display: flex;
  min-height: 3rem;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  padding: var(--space-3) max(1rem, env(safe-area-inset-right)) max(var(--space-3), env(safe-area-inset-bottom)) max(1rem, env(safe-area-inset-left));
  border-top: 1px solid var(--ink);
  background: var(--ink);
  color: var(--paper-deep);
  font-family: var(--font-data);
  font-size: 0.62rem;
  letter-spacing: 0.06em;
}

.toast {
  position: fixed;
  z-index: 500;
  right: max(var(--space-4), env(safe-area-inset-right));
  bottom: max(var(--space-4), env(safe-area-inset-bottom));
  max-width: min(22rem, calc(100vw - 2rem));
  padding: var(--space-3) var(--space-4);
  border: 1px solid var(--ink);
  background: var(--paper-raised);
  color: var(--ink);
  box-shadow: 0.4rem 0.4rem 0 var(--ink);
  font-size: 0.78rem;
  animation: toast-in 280ms var(--ease-out) both;
}

[hidden] {
  display: none !important;
}

@keyframes toast-in {
  from { transform: translateY(0.75rem); opacity: 0; }
  to { transform: translateY(0); opacity: 1; }
}

@container (min-width: 40rem) {
  .route-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 80rem) {
  .shell {
    grid-template-columns: minmax(13rem, 0.65fr) minmax(32rem, 1.7fr);
  }

  .inspector {
    grid-column: 1 / -1;
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    border-top: 1px solid var(--ink);
  }

  .inspector-heading {
    grid-column: 1 / -1;
  }

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

  .inspector-section:last-child {
    border-right: 0;
  }
}

@media (max-width: 54rem) {
  .masthead {
    min-height: auto;
    flex-direction: column;
  }

  .brand-lockup {
    min-height: 6.5rem;
  }

  .safety-strip {
    min-height: 3rem;
    justify-content: center;
    border-top: 1px solid var(--rule);
  }

  .shell {
    display: block;
  }

  .flow-rail,
  .workbench {
    border-right: 0;
    border-bottom: 1px solid var(--ink);
  }

  .flow-rail {
    display: block;
  }

  .flow-list {
    display: grid;
    grid-template-columns: repeat(5, minmax(9rem, 1fr));
    overflow-x: auto;
    scroll-snap-type: x proximity;
  }

  .flow-step {
    grid-template-columns: 1.5rem 1fr;
    scroll-snap-align: start;
    border-right: 1px solid var(--rule);
  }

  .step-state {
    grid-column: 2;
  }

  .source-note {
    display: none;
  }

  .inspector {
    display: block;
  }

  .inspector-section {
    border-right: 0;
  }
}

@media (max-width: 40rem) {
  .brand-index {
    width: 4.5rem;
  }

  .brand-lockup {
    gap: var(--space-4);
  }

  .safety-strip {
    flex-wrap: wrap;
    gap: var(--space-2);
  }

  .rail-heading,
  .section-heading {
    min-height: 6.5rem;
    padding: var(--space-4);
  }

  .form-section,
  .advanced-section {
    padding-inline: var(--space-4);
  }

  .form-section legend,
  .label-row,
  .field-meta {
    align-items: flex-start;
    flex-direction: column;
  }

  .route-grid,
  .parameter-grid,
  .checkout-section .parameter-grid {
    grid-template-columns: 1fr;
  }

  .field-span-2,
  .field-wide {
    grid-column: auto;
  }

  .country-pair {
    grid-template-columns: 1fr;
  }

  .route-arrow {
    display: none;
  }

  .form-actions {
    display: grid;
    grid-template-columns: 1fr 1.45fr;
    padding-inline: var(--space-4);
  }

  .action-copy {
    grid-column: 1 / -1;
  }

  .primary-button,
  .secondary-button {
    width: 100%;
    padding-inline: var(--space-3);
  }

  .footer {
    align-items: flex-start;
    flex-direction: column;
  }
}

@media (pointer: coarse) {
  .text-button,
  .file-trigger,
  .reveal-button {
    min-height: 2.75rem;
  }
}

@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;
  }
}