:root {
  color-scheme: light;
  --background: #f7f8f5;
  --surface: #ffffff;
  --surface-subtle: #eef3ef;
  --foreground: #202722;
  --muted: #526057;
  --border: #c9d2cc;
  --border-strong: #829087;
  --primary: #386b4f;
  --primary-hover: #2e5641;
  --primary-ink: #f7faf8;
  --ochre: #964a22;
  --ochre-soft: #faeadb;
  --error: #922f19;
  --error-soft: #fef3f0;
  --warning: #7a3d20;
  --warning-soft: #fdf6f0;
  --code-bg: #18241d;
  --code-ink: #e9f2ec;
  --focus: #b45e2a;
  --radius: 8px;
  --radius-sm: 5px;
  --font-sans: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
}

@media (prefers-color-scheme: dark) {
  :root {
    color-scheme: dark;
    --background: #151b17;
    --surface: #1e2721;
    --surface-subtle: #263329;
    --foreground: #edf3ee;
    --muted: #b8c5bb;
    --border: #435247;
    --border-strong: #829087;
    --primary: #78ad8a;
    --primary-hover: #98c1a8;
    --primary-ink: #112019;
    --ochre: #e29455;
    --ochre-soft: #3a261b;
    --error: #f9a188;
    --error-soft: #3a201b;
    --warning: #ecb485;
    --warning-soft: #34251c;
    --code-bg: #0e1510;
    --code-ink: #e9f2ec;
    --focus: #e29455;
  }
}

* {
  box-sizing: border-box;
}

html {
  font-size: 17px;
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-width: 320px;
  background: var(--background);
  color: var(--foreground);
  font-family: var(--font-sans);
  line-height: 1.55;
  letter-spacing: 0;
}

button,
textarea,
select {
  font: inherit;
  letter-spacing: 0;
}

button,
select,
label[for],
a {
  -webkit-tap-highlight-color: transparent;
}

a {
  color: inherit;
}

.skip-link {
  position: fixed;
  top: 0.5rem;
  left: 0.5rem;
  z-index: 40;
  padding: 0.6rem 0.8rem;
  border-radius: var(--radius-sm);
  background: var(--foreground);
  color: var(--background);
  transform: translateY(-160%);
}

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

:focus-visible {
  outline: 3px solid var(--focus);
  outline-offset: 3px;
}

.site-header {
  border-bottom: 1px solid var(--border);
  background: var(--surface);
}

.header-inner,
main,
footer {
  width: min(100% - 2rem, 72rem);
  margin-inline: auto;
}

.header-inner {
  min-height: 4rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}

.wordmark {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  color: var(--foreground);
  font-size: 0.95rem;
  font-weight: 720;
  text-decoration: none;
}

.wordmark-mark {
  width: 2rem;
  height: 2rem;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: var(--primary);
  color: var(--primary-ink);
  font-size: 0.72rem;
  font-weight: 800;
}

nav {
  display: flex;
  align-items: center;
  gap: 1.35rem;
  font-size: 0.84rem;
  font-weight: 630;
}

nav a {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  color: var(--muted);
  text-decoration: none;
}

nav a:hover {
  color: var(--foreground);
}

main {
  padding-block: 2.4rem 4.5rem;
}

.intro {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 2rem;
  margin-bottom: 1.35rem;
}

.title-row {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.8rem;
}

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

h1,
h2,
h3 {
  text-wrap: balance;
}

h1 {
  margin-bottom: 0.35rem;
  font-size: 2rem;
  line-height: 1.15;
  letter-spacing: 0;
}

h2 {
  margin-bottom: 0.3rem;
  font-size: 1.25rem;
  line-height: 1.25;
}

h3 {
  margin-bottom: 0;
  font-size: 1rem;
}

.intro p,
.section-heading p,
.api-heading p {
  max-width: 68ch;
  margin-bottom: 0;
  color: var(--muted);
}

.research-label {
  padding: 0.25rem 0.55rem;
  border-radius: 999px;
  background: var(--ochre-soft);
  color: var(--ochre);
  font-size: 0.75rem;
  font-weight: 700;
}

.status {
  min-width: 14rem;
  display: flex;
  align-items: center;
  gap: 0.7rem;
  padding: 0.7rem 0.85rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
}

.status-dot {
  width: 0.72rem;
  height: 0.72rem;
  flex: 0 0 auto;
  border-radius: 50%;
  background: var(--warning);
}

.status strong,
.status small {
  display: block;
}

.status strong {
  font-size: 0.84rem;
}

.status small {
  max-width: 26ch;
  color: var(--muted);
  font-size: 0.72rem;
  line-height: 1.35;
}

.status[data-state="ready"] .status-dot {
  background: var(--primary);
}

.status[data-state="failed"] .status-dot,
.status[data-state="offline"] .status-dot {
  background: var(--error);
}

.loading-track {
  height: 3px;
  margin-bottom: 1.75rem;
  overflow: hidden;
  border-radius: 2px;
  background: var(--surface-subtle);
}

.loading-track span {
  display: block;
  width: 35%;
  height: 100%;
  background: var(--ochre);
  animation: loading-track 1.5s ease-in-out infinite;
}

.loading-track[hidden] {
  display: none;
}

@keyframes loading-track {
  from { transform: translateX(-110%); }
  to { transform: translateX(320%); }
}

.workspace {
  display: grid;
  grid-template-columns: minmax(0, 1.65fr) minmax(17rem, 0.75fr);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
  overflow: hidden;
}

.workbench-main {
  min-width: 0;
  padding: 1.65rem;
}

.evidence {
  padding: 1.65rem;
  border-left: 1px solid var(--border);
  background: var(--surface-subtle);
}

.section-heading {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1.25rem;
  margin-bottom: 1.35rem;
}

.workbench-controls {
  width: min(100%, 22rem);
  display: grid;
  gap: 0.55rem;
}

.language-picker {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  align-items: center;
  gap: 0.7rem;
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 650;
}

.language-picker select {
  min-height: 42px;
  width: 100%;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 0.4rem 2rem 0.4rem 0.65rem;
  background: var(--surface);
  color: var(--foreground);
}

.task-switch {
  display: grid;
  grid-template-columns: 1fr 1fr;
  min-width: 0;
  padding: 3px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--background);
}

.task-switch label {
  position: relative;
  cursor: pointer;
}

.task-switch input {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.task-switch span {
  min-height: 38px;
  display: grid;
  place-items: center;
  padding: 0.45rem 0.7rem;
  border-radius: var(--radius-sm);
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 650;
  text-align: center;
}

.task-switch input:checked + span {
  background: var(--surface);
  color: var(--foreground);
  box-shadow: 0 1px 4px rgb(20 32 24 / 0.18);
}

.task-switch input:focus-visible + span {
  outline: 3px solid var(--focus);
  outline-offset: 2px;
}

.field-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 0.45rem;
  font-size: 0.82rem;
  font-weight: 650;
}

#character-count {
  color: var(--muted);
  font-size: 0.75rem;
  font-weight: 520;
}

textarea {
  width: 100%;
  min-height: 9.5rem;
  resize: vertical;
  padding: 1rem;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius);
  background: var(--background);
  color: var(--foreground);
  font-size: 1rem;
  line-height: 1.55;
}

textarea::placeholder {
  color: var(--muted);
  opacity: 1;
}

textarea:focus {
  border-color: var(--focus);
}

.form-actions {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 1rem;
  margin-top: 0.8rem;
}

.sample-picker {
  display: grid;
  gap: 0.28rem;
  color: var(--muted);
  font-size: 0.72rem;
  font-weight: 650;
}

select {
  min-width: 16rem;
  min-height: 44px;
  padding: 0.55rem 2rem 0.55rem 0.7rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--surface);
  color: var(--foreground);
}

button,
.secondary-button {
  min-height: 44px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-weight: 700;
  text-decoration: none;
  transition: background-color 160ms ease-out, color 160ms ease-out, border-color 160ms ease-out, transform 100ms ease-out;
}

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

.primary-button {
  min-width: 8.7rem;
  display: inline-grid;
  place-items: center;
  padding: 0.65rem 1rem;
  border: 1px solid var(--primary);
  background: var(--primary);
  color: var(--primary-ink);
}

.primary-button:hover:not(:disabled) {
  background: var(--primary-hover);
  border-color: var(--primary-hover);
}

.primary-button:disabled {
  cursor: not-allowed;
  opacity: 0.55;
}

.button-progress {
  display: none;
  width: 1rem;
  height: 1rem;
  border: 2px solid currentColor;
  border-top-color: transparent;
  border-radius: 50%;
  animation: spin 700ms linear infinite;
}

.primary-button[data-loading="true"] .button-label {
  display: none;
}

.primary-button[data-loading="true"] .button-progress {
  display: block;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

.secondary-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.55rem 0.8rem;
  border: 1px solid var(--border-strong);
  background: transparent;
  color: var(--foreground);
  font-size: 0.8rem;
}

.secondary-button:hover {
  background: var(--surface-subtle);
}

.secondary-button.compact {
  min-height: 36px;
  padding-block: 0.35rem;
}

.form-error {
  margin: 0.7rem 0 0;
  padding: 0.65rem 0.8rem;
  border: 1px solid var(--error);
  border-radius: var(--radius-sm);
  background: var(--error-soft);
  color: var(--error);
  font-size: 0.82rem;
}

.result {
  margin-top: 1.5rem;
  padding: 1.25rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--background);
}

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

.result-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
}

.result-label {
  display: block;
  margin-bottom: 0.15rem;
  color: var(--muted);
  font-size: 0.72rem;
  font-weight: 650;
}

.source-preview {
  margin: 1rem 0 0.2rem;
  color: var(--muted);
  font-size: 0.78rem;
}

.translation-output {
  min-height: 3.3rem;
  margin: 0.85rem 0 1rem;
  color: var(--foreground);
  font-family: ui-serif, Georgia, Cambria, "Times New Roman", serif;
  font-size: 1.65rem;
  font-weight: 650;
  line-height: 1.35;
  overflow-wrap: anywhere;
  text-wrap: pretty;
}

.response-meta,
.evidence-list {
  margin: 0;
}

.response-meta {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  border-block: 1px solid var(--border);
}

.response-meta div {
  min-width: 0;
  padding: 0.65rem 0.45rem;
}

.response-meta dt,
.evidence-list dt {
  color: var(--muted);
  font-size: 0.69rem;
  font-weight: 650;
}

.response-meta dd {
  margin: 0.1rem 0 0;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  overflow-wrap: anywhere;
}

.notice {
  margin: 1rem 0 0;
  color: var(--warning);
  font-size: 0.75rem;
  line-height: 1.5;
}

.notice strong {
  color: var(--foreground);
}

.evidence-list > div {
  padding: 0.9rem 0;
  border-bottom: 1px solid var(--border);
}

.evidence-list > div:last-child {
  border-bottom: 0;
}

.evidence-list dd {
  margin: 0.25rem 0 0;
}

.evidence-list dd strong,
.evidence-list dd span {
  display: block;
}

.evidence-list dd strong {
  font-size: 0.92rem;
}

.evidence-list dd span {
  margin-top: 0.18rem;
  color: var(--muted);
  font-size: 0.75rem;
  line-height: 1.45;
}

.scope-note {
  margin: 1rem 0 0;
  padding-top: 1rem;
  border-top: 1px solid var(--border-strong);
  color: var(--muted);
  font-size: 0.76rem;
  line-height: 1.5;
}

.scope-note a {
  color: var(--foreground);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 0.16em;
}

.api-section {
  margin-top: 2.8rem;
}

.api-heading {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 2rem;
  margin-bottom: 1rem;
}

.endpoint-row {
  display: grid;
  grid-template-columns: auto 1fr auto 1fr auto 1fr;
  align-items: center;
  gap: 0.65rem 0.8rem;
  padding: 0.8rem 0;
  border-block: 1px solid var(--border);
  color: var(--muted);
  font-size: 0.75rem;
}

code,
pre {
  font-family: var(--font-mono);
}

.endpoint-row code {
  color: var(--foreground);
  font-size: 0.72rem;
  font-weight: 700;
}

.code-block {
  margin-top: 1rem;
  overflow: hidden;
  border-radius: var(--radius);
  background: var(--code-bg);
  color: var(--code-ink);
}

.code-toolbar {
  min-height: 2.8rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.4rem 0.55rem 0.4rem 1rem;
  border-bottom: 1px solid rgb(233 242 236 / 0.18);
  font-family: var(--font-mono);
  font-size: 0.72rem;
}

.code-toolbar button {
  min-height: 36px;
  padding: 0.35rem 0.65rem;
  border: 1px solid rgb(233 242 236 / 0.3);
  background: transparent;
  color: var(--code-ink);
  font-size: 0.72rem;
}

.code-toolbar button:hover {
  background: rgb(233 242 236 / 0.1);
}

pre {
  margin: 0;
  padding: 1rem;
  overflow-x: auto;
  font-size: 0.76rem;
  line-height: 1.65;
}

.api-note {
  margin-top: 0.8rem;
  color: var(--muted);
  font-size: 0.76rem;
}

.api-note code {
  color: var(--foreground);
}

footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  padding-block: 1.3rem;
  border-top: 1px solid var(--border);
  color: var(--muted);
  font-size: 0.7rem;
}

footer p {
  margin: 0;
}

#footer-version {
  font-family: var(--font-mono);
  text-align: right;
}

[hidden] {
  display: none !important;
}

@media (max-width: 900px) {
  .workspace {
    grid-template-columns: 1fr;
  }

  .evidence {
    border-top: 1px solid var(--border);
    border-left: 0;
  }

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

  .task-switch {
    min-width: 0;
  }

  .endpoint-row {
    grid-template-columns: auto 1fr;
  }
}

@media (max-width: 660px) {
  .header-inner,
  main,
  footer {
    width: min(100% - 1.2rem, 72rem);
  }

  .header-inner {
    align-items: flex-start;
    flex-direction: column;
    gap: 0.2rem;
    padding-block: 0.75rem;
  }

  nav {
    width: 100%;
    justify-content: space-between;
    gap: 0.6rem;
  }

  main {
    padding-block: 1.5rem 3rem;
  }

  .intro,
  .api-heading,
  footer {
    align-items: stretch;
    flex-direction: column;
  }

  .intro {
    gap: 1rem;
  }

  h1 {
    font-size: 1.7rem;
  }

  .status {
    min-width: 0;
  }

  .workbench-main,
  .evidence {
    padding: 1rem;
  }

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

  .sample-picker,
  select,
  .primary-button {
    width: 100%;
  }

  select {
    min-width: 0;
  }

  .response-meta {
    grid-template-columns: 1fr 1fr;
  }

  .api-heading .secondary-button {
    align-self: flex-start;
  }

  footer {
    gap: 0.5rem;
  }

  #footer-version {
    text-align: left;
    overflow-wrap: anywhere;
  }
}

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

  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    scroll-behavior: auto !important;
    transition-duration: 0.001ms !important;
  }
}

@media (forced-colors: active) {
  .status-dot,
  .wordmark-mark {
    border: 1px solid CanvasText;
  }
}