:root {
  color-scheme: light;
  --bg: #e9e3d7;
  --surface: #f6f2ea;
  --surface-strong: #fffaf1;
  --ink: #201d18;
  --muted: #6b6258;
  --muted-2: #8d8275;
  --rule: #cdc3b4;
  --rule-strong: #a99d8d;
  --canvas: #161512;
  --canvas-ink: #d7cabb;
  --accent: #b8792f;
  --accent-dark: #5b3516;
  --error: #9f2f2f;
  --ok: #47735c;
  --focus: #7d501f;
  --radius: 8px;
  --mono: "SFMono-Regular", "Cascadia Code", "Roboto Mono", Menlo, Consolas, monospace;
  --sans: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* {
  box-sizing: border-box;
}

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

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 14px;
  line-height: 1.45;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

button,
input,
select,
textarea {
  font: inherit;
  min-width: 0;
}

button {
  min-height: 40px;
  border: 1px solid var(--rule-strong);
  border-radius: var(--radius);
  padding: 0 14px;
  background: var(--surface-strong);
  color: var(--ink);
  font-weight: 700;
  cursor: pointer;
  transition-property: background-color, border-color, color, transform;
  transition-duration: 140ms;
  transition-timing-function: cubic-bezier(0.23, 1, 0.32, 1);
}

button:hover:not(:disabled) {
  border-color: var(--accent);
  background: #fff6e6;
}

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

button:disabled,
textarea:disabled {
  cursor: not-allowed;
  opacity: 0.58;
}

button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
  outline: 2px solid var(--focus);
  outline-offset: 2px;
}

.primary-button {
  border-color: var(--accent-dark);
  background: var(--accent-dark);
  color: #fff6e8;
}

.primary-button:hover:not(:disabled) {
  background: #70431f;
  color: #fff6e8;
}

.app-shell {
  min-height: 100vh;
  display: grid;
  grid-template-rows: auto 1fr;
  width: 100%;
  max-width: 100vw;
}

.topbar {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 24px;
  padding: 18px 20px;
  border-bottom: 1px solid var(--rule);
  background: var(--surface);
}

.topbar-actions {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 10px;
  flex-wrap: wrap;
}

.site-nav {
  min-height: 40px;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  border: 1px solid var(--rule);
  border-radius: var(--radius);
  padding: 3px;
  background: var(--surface-strong);
}

.site-nav a {
  min-height: 32px;
  display: inline-flex;
  align-items: center;
  border-radius: calc(var(--radius) - 2px);
  padding: 0 10px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 700;
  text-decoration: none;
}

.site-nav a:hover,
.site-nav a[aria-current="page"] {
  background: #efe3d2;
  color: var(--accent-dark);
}

.site-nav a:focus-visible {
  outline: 2px solid var(--focus);
  outline-offset: 2px;
}

.eyebrow {
  margin: 0 0 4px;
  color: var(--accent-dark);
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0;
  text-transform: uppercase;
}

h1,
h2,
h3 {
  margin: 0;
  letter-spacing: 0;
}

h1 {
  font-size: 24px;
  line-height: 1.1;
}

h2 {
  font-size: 15px;
  line-height: 1.2;
}

.model-description {
  max-width: 52ch;
  margin: 5px 0 0;
  color: var(--muted);
  font-size: 12px;
}

.runtime-strip {
  min-height: 40px;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  border: 1px solid var(--rule);
  border-radius: var(--radius);
  padding: 0 12px;
  background: var(--surface-strong);
  color: var(--muted);
  font-family: var(--mono);
  font-size: 12px;
  white-space: nowrap;
}

.status-dot {
  width: 10px;
  height: 10px;
  border-radius: 999px;
  background: var(--muted-2);
}

.status-dot.ready {
  background: var(--ok);
}

.status-dot.error {
  background: var(--error);
}

.workspace {
  min-height: 0;
  width: 100%;
  max-width: 100vw;
  display: grid;
  grid-template-columns: minmax(210px, 250px) minmax(420px, 1fr) minmax(300px, 380px);
  gap: 12px;
  padding: 12px;
}

.panel,
.stage-panel {
  min-width: 0;
  border: 1px solid var(--rule);
  border-radius: var(--radius);
  background: var(--surface);
}

.panel {
  min-height: 0;
  display: flex;
  flex-direction: column;
}

.panel-heading,
.stage-toolbar {
  min-height: 58px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 12px;
  border-bottom: 1px solid var(--rule);
}

.count-pill {
  min-width: 32px;
  min-height: 28px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  background: #e3d9c9;
  color: var(--accent-dark);
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 700;
}

.preset-list {
  min-height: 0;
  overflow: auto;
  padding: 8px;
}

.preset-button {
  width: 100%;
  min-width: 0;
  min-height: 64px;
  display: grid;
  grid-template-columns: 1fr;
  gap: 4px;
  margin: 0 0 8px;
  padding: 10px;
  text-align: left;
  background: transparent;
  white-space: normal;
}

.preset-button strong {
  min-width: 0;
  font-size: 13px;
  white-space: normal;
}

.preset-button span {
  min-width: 0;
  display: block;
  color: var(--muted);
  font-size: 12px;
  font-weight: 500;
  overflow-wrap: anywhere;
  white-space: normal;
}

.preset-button.active {
  border-color: var(--accent-dark);
  background: #efe3d2;
}

.stage-panel {
  min-height: 0;
  display: grid;
  grid-template-rows: auto minmax(320px, 1fr) auto;
}

.stage-toolbar {
  background: var(--surface-strong);
}

.toolbar-actions {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 8px;
  flex-wrap: wrap;
}

.canvas-wrap {
  position: relative;
  min-height: 320px;
  overflow: hidden;
  background: var(--canvas);
}

canvas {
  width: 100%;
  height: 100%;
  display: block;
}

canvas[hidden] {
  display: none;
}

.canvas-label {
  position: absolute;
  left: 3.5%;
  bottom: 22px;
  color: rgba(215, 202, 187, 0.72);
  font-family: var(--mono);
  font-size: 12px;
  pointer-events: none;
}

.canvas-state {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 24px;
  background: var(--canvas);
  color: var(--canvas-ink);
  text-align: center;
}

.canvas-state[hidden] {
  display: none;
}

.canvas-state span {
  color: #a79c8d;
}

.readout-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-top: 1px solid var(--rule);
  background: var(--surface-strong);
}

.readout-row > div {
  min-width: 0;
  padding: 10px 12px;
  border-right: 1px solid var(--rule);
}

.readout-row > div:last-child {
  border-right: 0;
}

.readout-label {
  display: block;
  margin-bottom: 2px;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 11px;
}

.readout-row strong {
  font-family: var(--mono);
  font-size: 13px;
}

.control-panel {
  overflow: hidden;
}

.field-group,
.export-row,
.editor-block,
.schema-reference,
.diagnostics,
.share-box {
  padding: 12px;
  border-bottom: 1px solid var(--rule);
}

.field-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  border-bottom: 1px solid var(--rule);
}

.field-grid .field-group {
  border-bottom: 0;
}

.field-grid .field-group:first-child {
  border-right: 1px solid var(--rule);
}

.compact-field {
  min-width: 0;
}

select {
  width: 100%;
  min-height: 40px;
  border: 1px solid var(--rule-strong);
  border-radius: var(--radius);
  padding: 0 10px;
  background: var(--surface-strong);
  color: var(--ink);
  font-weight: 700;
}

.export-row {
  display: grid;
}

.field-group label,
.editor-block label,
.share-box label {
  display: block;
  margin-bottom: 8px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 700;
}

.schema-reference {
  color: var(--muted);
  font-size: 12px;
}

.schema-reference summary {
  min-height: 40px;
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--ink);
  font-weight: 700;
  cursor: pointer;
}

.schema-reference summary::after {
  content: "+";
  margin-left: auto;
  color: var(--accent-dark);
  font-family: var(--mono);
}

.schema-reference[open] summary::after {
  content: "-";
}

.schema-reference summary:focus-visible {
  outline: 2px solid var(--focus);
  outline-offset: 2px;
}

.schema-reference dl {
  display: grid;
  gap: 8px;
  margin: 4px 0 10px;
}

.schema-reference dl > div {
  display: grid;
  grid-template-columns: 92px minmax(0, 1fr);
  gap: 10px;
}

.schema-reference dt {
  color: var(--accent-dark);
  font-family: var(--mono);
  font-weight: 700;
}

.schema-reference dd {
  margin: 0;
  min-width: 0;
}

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

.schema-reference code {
  color: var(--ink);
}

.schema-reference pre {
  max-width: 100%;
  margin: 0;
  overflow: auto;
  border: 1px solid var(--rule);
  border-radius: var(--radius);
  padding: 10px;
  background: var(--surface-strong);
  color: var(--ink);
  font-size: 11px;
  line-height: 1.5;
}

.range-line {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 58px;
  align-items: center;
  gap: 10px;
}

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

output {
  color: var(--ink);
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 700;
  text-align: right;
}

.param-list {
  overflow: auto;
  border-bottom: 1px solid var(--rule);
}

.param-row {
  padding: 10px 12px;
  border-bottom: 1px solid var(--rule);
}

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

.param-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 8px;
}

.param-head label {
  color: var(--ink);
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 700;
}

.editor-block {
  min-height: 320px;
  display: flex;
  flex-direction: column;
}

textarea {
  min-height: 280px;
  flex: 1;
  resize: vertical;
  border: 1px solid var(--rule-strong);
  border-radius: var(--radius);
  padding: 12px;
  background: #fffaf1;
  color: var(--ink);
  font-family: var(--mono);
  font-size: 12px;
  line-height: 1.55;
  tab-size: 2;
}

textarea[aria-invalid="true"] {
  border-color: var(--error);
}

.diagnostics {
  display: grid;
  gap: 6px;
  color: var(--muted);
  font-size: 12px;
}

.diagnostics strong {
  color: var(--ink);
}

.diagnostics.error {
  color: var(--error);
}

.share-box input {
  width: 100%;
  min-height: 40px;
  border: 1px solid var(--rule-strong);
  border-radius: var(--radius);
  padding: 0 10px;
  background: var(--surface-strong);
  color: var(--ink);
  font-family: var(--mono);
  font-size: 12px;
}

.docs-shell {
  min-height: 100vh;
}

.docs-layout {
  display: grid;
  grid-template-columns: 240px minmax(0, 1fr);
  gap: 12px;
  padding: 12px;
}

.docs-toc {
  position: sticky;
  top: 12px;
  align-self: start;
  display: grid;
  gap: 4px;
  border: 1px solid var(--rule);
  border-radius: var(--radius);
  padding: 8px;
  background: var(--surface);
}

.docs-toc a {
  min-height: 40px;
  display: flex;
  align-items: center;
  border-radius: calc(var(--radius) - 2px);
  padding: 0 10px;
  color: var(--muted);
  font-weight: 700;
  text-decoration: none;
}

.docs-toc a:hover,
.docs-toc a:focus-visible {
  background: #efe3d2;
  color: var(--accent-dark);
}

.docs-toc a:focus-visible {
  outline: 2px solid var(--focus);
  outline-offset: 2px;
}

.docs-content {
  min-width: 0;
  display: grid;
  gap: 12px;
}

.docs-section {
  border: 1px solid var(--rule);
  border-radius: var(--radius);
  padding: 18px;
  background: var(--surface);
}

.docs-section h2 {
  margin-bottom: 10px;
  font-size: 19px;
}

.docs-section p,
.docs-section li,
.docs-section td,
.docs-section th {
  color: var(--muted);
  overflow-wrap: anywhere;
}

.docs-section strong,
.docs-section th {
  color: var(--ink);
}

.doc-grid,
.preset-doc-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 8px;
  margin-top: 14px;
}

.doc-grid > div,
.preset-doc-grid > div {
  min-width: 0;
  border: 1px solid var(--rule);
  border-radius: var(--radius);
  padding: 12px;
  background: var(--surface-strong);
}

.doc-grid strong,
.preset-doc-grid strong {
  display: block;
  margin-bottom: 4px;
}

.doc-grid span,
.preset-doc-grid span {
  color: var(--muted);
  font-size: 12px;
}

.doc-steps {
  display: grid;
  gap: 10px;
  padding-left: 20px;
}

.docs-section pre {
  overflow: auto;
  border: 1px solid var(--rule);
  border-radius: var(--radius);
  padding: 12px;
  background: var(--surface-strong);
  color: var(--ink);
  font-family: var(--mono);
  font-size: 12px;
  line-height: 1.55;
}

.docs-section code {
  font-family: var(--mono);
  color: var(--ink);
}

.docs-section table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 12px;
  font-size: 12px;
}

.docs-section th,
.docs-section td {
  border: 1px solid var(--rule);
  padding: 9px;
  text-align: left;
  vertical-align: top;
}

@media (prefers-reduced-motion: reduce) {
  button {
    transition-duration: 0ms;
  }

  button:active:not(:disabled) {
    transform: none;
  }
}

@media (max-width: 1180px) {
  .workspace {
    grid-template-columns: 210px minmax(420px, 1fr);
  }

  .control-panel {
    grid-column: 1 / -1;
  }

  .editor-block {
    min-height: 260px;
  }
}

@media (max-width: 760px) {
  h1 {
    max-width: 100%;
    font-size: 22px;
    overflow-wrap: anywhere;
  }

  .topbar {
    align-items: start;
    flex-direction: column;
    padding: 16px;
  }

  .runtime-strip {
    width: 100%;
    justify-content: flex-start;
  }

  .topbar-actions,
  .site-nav {
    width: 100%;
  }

  .site-nav a {
    flex: 1;
    justify-content: center;
  }

  .workspace {
    grid-template-columns: 1fr;
    padding: 8px;
    overflow: hidden;
  }

  .preset-panel,
  .control-panel {
    max-height: none;
  }

  .panel-heading {
    align-items: center;
    flex-direction: row;
  }

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

  .toolbar-actions {
    width: 100%;
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .toolbar-actions button {
    width: 100%;
    padding-inline: 8px;
  }

  .toolbar-actions button:first-child {
    grid-column: 1 / -1;
  }

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

  .readout-row > div {
    border-right: 0;
  }

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

  .field-grid .field-group:first-child {
    border-right: 0;
    border-bottom: 1px solid var(--rule);
  }

  .schema-reference dl > div {
    grid-template-columns: 1fr;
    gap: 2px;
  }

  .docs-layout {
    grid-template-columns: 1fr;
    padding: 8px;
  }

  .docs-toc {
    position: static;
  }

  .doc-grid,
  .preset-doc-grid {
    grid-template-columns: 1fr;
  }
}