:root {
  --paper: #f5f2eb;
  --ink: #302e28;
  --muted: #736f65;
  --line: #d7d1c5;
  --rust: #a3452b;
  --blue: #576b83;
  --gold: #a77b28;
}
* {
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
}
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: Georgia, "Times New Roman", serif;
}
main {
  max-width: 1440px;
  padding: 0 64px;
  margin: auto;
}
header,
footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--line);
  padding: 27px 0;
  gap: 24px;
}
a {
  color: inherit;
  text-decoration: none;
}
header > a:last-child {
  font-size: 14px;
}
.wordmark {
  font-size: 27px;
  letter-spacing: -1px;
}
.wordmark span {
  color: var(--rust);
}
.eyebrow,
.technical,
label,
.presets,
.edit-actions,
button,
select,
.legend,
#status,
#edit-status,
#measurement-status,
footer,
.scrub-label {
  font-family: ui-monospace, SFMono-Regular, Consolas, monospace;
  font-size: 11px;
  line-height: 1.65;
}
.eyebrow,
.technical {
  letter-spacing: 1.15px;
  text-transform: uppercase;
  color: var(--muted);
}
.intro {
  padding: 25px 0 28px;
}
h1 {
  font-weight: 400;
  font-size: clamp(40px, 4.4vw, 64px);
  line-height: 1.08;
  letter-spacing: -2.5px;
  margin: 16px 0 20px;
}
.intro-bottom {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
}
.intro-bottom > p:first-child {
  font-size: 18px;
  line-height: 1.5;
  margin: 0;
}
.technical {
  text-align: right;
  margin: 0;
}
section.experiment,
section.explore,
section.method {
  border-top: 1px solid var(--ink);
  padding-top: 25px;
  margin-bottom: 53px;
}
.section-heading {
  display: flex;
  align-items: baseline;
  gap: 20px;
  margin-bottom: 28px;
}
.number {
  color: var(--rust);
  font-size: 16px;
}
h2 {
  font-size: 29px;
  font-weight: 400;
  margin: 0;
  letter-spacing: -0.6px;
}
.section-heading > .eyebrow {
  margin-left: auto;
}
label {
  display: block;
  color: var(--muted);
  margin-bottom: 8px;
}
textarea {
  display: block;
  border: 1px solid var(--line);
  border-radius: 0;
  background: #fbf9f4;
  padding: 18px;
  width: 100%;
  resize: vertical;
  color: var(--ink);
  font:
    18px/1.55 Georgia,
    serif;
}
textarea:focus-visible,
button:focus-visible,
select:focus-visible,
a:focus-visible,
input:focus-visible,
summary:focus-visible {
  outline: 2px solid var(--rust);
  outline-offset: 4px;
}
.prompt-layout {
  display: grid;
  grid-template-columns: 1fr 270px;
  gap: 32px;
}
.prompt-controls {
  border: 1px solid var(--line);
  padding: 0;
}
.prompt-controls summary {
  padding: 14px 18px;
  line-height: 1.5;
}
.prompt-controls summary > span:first-child {
  color: var(--rust);
}
#prompt-preview {
  display: block;
  margin-top: 5px;
  color: var(--muted);
  font-size: 14px;
  overflow-wrap: anywhere;
  max-height: 3em;
  overflow: hidden;
}
.prompt-controls[open] #prompt-preview { display: none; }
.prompt-controls .prompt-layout { padding: 8px 18px 18px; }
.response-switch { display: none; }
.task-picker { display: flex; align-items: center; flex-wrap: wrap; gap: 10px 18px; margin-bottom: 18px; }
.task-picker label { margin: 0; }
.task-picker select { max-width: 100%; min-height: 44px; padding: 10px 14px; background: transparent; color: var(--ink); border: 1px solid var(--line); border-radius: 2px; font-size: 12px; }
.input-note { color: var(--muted); font-size: 14px; line-height: 1.5; }
#rewrite-controls > button { margin: 12px 0 18px; }
.rewrite-review { border-left: 2px solid var(--rust); padding: 4px 20px; margin: 24px 0; }
.rewrite-review h3 { margin: 0 0 10px; font-size: 22px; font-weight: 400; }
.rewrite-review p, .rewrite-review li { font-size: 15px; line-height: 1.6; }
[hidden] { display: none !important; }
.run-panel p {
  font-size: 13px;
  color: var(--muted);
  line-height: 1.5;
}
.run-panel select {
  margin-bottom: 14px;
  width: 100%;
  background: transparent;
  border: 1px solid var(--line);
  padding: 10px;
  color: var(--ink);
}
button {
  border: 1px solid var(--line);
  padding: 10px 14px;
  background: transparent;
  color: var(--ink);
  cursor: pointer;
  border-radius: 2px;
}
button:hover:not(:disabled) {
  background: #e8e2d6;
}
button:disabled {
  opacity: 0.45;
  cursor: default;
}
.primary {
  background: var(--rust);
  color: #fff;
  border-color: var(--rust);
}
.primary:hover:not(:disabled) {
  background: #8c3822;
}
.run-panel .primary {
  width: 100%;
  display: flex;
  justify-content: space-between;
  gap: 10px;
}
#stop { min-height: 40px; margin-bottom: 10px; }
.presets {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-top: 12px;
}
.presets button {
  padding: 5px 9px;
  font-size: 10px;
}
#status {
  min-height: 22px;
  color: var(--muted);
  margin: 22px 0 15px;
}
.outputs {
  display: grid;
  grid-template-columns: 1fr 1fr;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.outputs article {
  padding: 24px 28px 28px 0;
}
.outputs article + article {
  padding-left: 28px;
  padding-right: 0;
  border-left: 1px solid var(--line);
}
.output-heading {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 15px;
}
.output-heading .eyebrow {
  font-size: 9px;
}
h3 {
  font-size: 21px;
  font-weight: 400;
  margin: 0;
}
article + article h3 {
  color: var(--rust);
}
.generated {
  font-size: 20px;
  line-height: 1.65;
  margin: 19px 0 0;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
  max-height: 400px;
  overflow: auto;
}
.generated:focus-visible {
  outline: 2px solid var(--rust);
  outline-offset: 4px;
}
.reading-controls {
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 8px 16px;
  margin: 20px 0;
  font: 11px/1.6 ui-monospace, SFMono-Regular, Consolas, monospace;
  color: var(--muted);
}
.reading-controls label { margin: 0; }
.reading-controls button[aria-pressed="true"] { border-color: var(--rust); color: var(--rust); }
.wording-difference { background: #ead6c8; color: inherit; text-decoration: underline; text-decoration-color: var(--rust); text-underline-offset: 0.16em; }
.reading-controls select {
  color: var(--ink);
  background: transparent;
  border: 1px solid var(--line);
  padding: 8px;
}
.generated.reading { white-space: normal; }
.generated.reading p { white-space: pre-wrap; margin: 0 0 1em; }
.generated.reading h4 { font-size: 1.05em; margin: 1.3em 0 0.5em; }
.generated.reading > :first-child { margin-top: 0; }
.generated.reading ul, .generated.reading ol { padding-left: 1.6em; margin: 0 0 1em; }
.generated.reading li { margin: 0.4em 0; }
.generated code { font: 0.8em/1.6 ui-monospace, SFMono-Regular, Consolas, monospace; }
.generated pre { white-space: pre-wrap; overflow-wrap: anywhere; padding: 16px; background: #eae5dc; }
.placeholder {
  color: #999185;
  font-style: italic;
  min-height: 130px;
}
.lab-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 45px;
}
.editor textarea {
  font-size: 18px;
  min-height: 310px;
}
.edit-actions {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-top: 14px;
}
.edit-actions .primary {
  margin-left: auto;
}
.editor p {
  color: var(--muted);
  font-size: 11px;
}
.chart-title {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
}
.chart-title .eyebrow {
  font-size: 9px;
}
.legend {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin: 15px 0 0;
  font-size: 9px;
}
.legend span:before {
  content: "";
  display: inline-block;
  width: 15px;
  height: 2px;
  background: currentColor;
  margin: 0 6px 3px 0;
}
.original {
  color: var(--rust);
}
.control {
  color: var(--blue);
}
.edited {
  color: var(--gold);
}
#chart {
  touch-action: pan-y;
  cursor: crosshair;
  width: 100%;
  overflow: visible;
  margin: 0;
  display: block;
}
#chart text {
  font:
    11px ui-monospace,
    monospace;
  fill: var(--muted);
}
#chart .grid {
  stroke: var(--line);
  stroke-width: 1;
}
#chart .baseline {
  stroke: #898477;
  stroke-dasharray: 3 5;
}
#chart .curve {
  fill: none;
  stroke-width: 2.3;
  stroke-linecap: round;
  stroke-linejoin: round;
}
#chart .curve-original {
  stroke: var(--rust);
}
#chart .curve-control {
  stroke: var(--blue);
  stroke-dasharray: 5 5;
}
#chart .curve-edited {
  stroke: var(--gold);
}
#chart .cursor {
  stroke: var(--line);
  stroke-width: 1;
}
input[type="range"] {
  width: 100%;
  accent-color: var(--rust);
  cursor: ew-resize;
}
.scrub-label {
  font-size: 10px;
  margin: 3px 0 0;
}
.prefix {
  font-size: 14px;
  line-height: 1.5;
  color: var(--muted);
  height: 64px;
  overflow: auto;
  margin: 10px 0 15px;
  overflow-wrap: anywhere;
  white-space: pre-wrap;
}
.metrics {
  border-top: 1px solid var(--line);
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  padding-top: 16px;
  gap: 10px;
}
.metrics span {
  font-size: 29px;
}
.metrics label {
  font-size: 9px;
  margin: 4px 0;
}
.measurement > p:last-child {
  font-size: 10px;
  color: var(--muted);
}
.method-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 35px;
}
.method p {
  font-size: 15px;
  line-height: 1.65;
  color: var(--muted);
  margin: 0 0 22px;
}
details {
  border-top: 1px solid var(--line);
  padding: 18px 0;
}
summary {
  cursor: pointer;
  font-size: 16px;
}
pre {
  padding: 20px;
  background: #eae5dc;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
  font:
    12px/1.6 ui-monospace,
    monospace;
  max-height: 450px;
  overflow: auto;
}
.report-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 15px;
  margin-top: 20px;
}
.report-toolbar p {
  margin: 0;
  font-size: 12px;
}
footer {
  border-bottom: 0;
  border-top: 1px solid var(--line);
  font-size: 10px;
  color: var(--muted);
  margin-top: 30px;
  padding-bottom: 35px;
}
.error {
  color: var(--rust) !important;
}
@media (max-width: 900px) {
  main {
    padding: 0 28px;
  }
  header .eyebrow {
    display: none;
  }
  .section-heading > .eyebrow {
    display: none;
  }
  .lab-grid {
    gap: 25px;
  }
  .prompt-layout {
    grid-template-columns: 1fr 220px;
  }
  .legend {
    gap: 8px;
  }
  .edit-actions .primary {
    margin-left: 0;
  }
}
@media (max-width: 650px) {
  main {
    padding: 0 20px;
  }
  .intro {
    padding: 20px 0 24px;
  }
  h1 {
    font-size: 36px;
    letter-spacing: -1.3px;
  }
  .intro-bottom .technical {
    display: none;
  }
  .intro-bottom > p:first-child {
    font-size: 16px;
  }
  .prompt-layout,
  .outputs,
  .lab-grid,
  .method-grid {
    grid-template-columns: 1fr;
  }
  .prompt-layout {
    gap: 20px;
  }
  .outputs article + article {
    border-left: 0;
    border-top: 0;
    padding-left: 0;
  }
  .outputs article {
    padding-right: 0;
  }
  .response-switch {
    display: flex;
    gap: 0;
  }
  .response-switch button {
    flex: 1;
    min-height: 44px;
    border-bottom: 0;
    border-radius: 0;
  }
  .response-switch button + button { border-left: 0; }
  .response-switch button[aria-pressed="true"] {
    color: var(--rust);
    background: #eee6db;
    box-shadow: inset 0 2px var(--rust);
  }
  .outputs[data-focus="marked"] #ordinary-response,
  .outputs[data-focus="ordinary"] #marked-response { display: none; }
  .output-heading { flex-wrap: wrap; gap: 4px; }
  .outputs article { padding-top: 18px; }
  .prompt-controls .prompt-layout { padding: 8px 12px 14px; }
  .prompt-controls summary { padding: 12px; }
  .reading-controls > span { flex-basis: 100%; }
  h2 {
    font-size: 24px;
  }
  .section-heading {
    gap: 12px;
  }
  .generated {
    font-size: 19px;
  }
  .run-panel {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0 12px;
  }
  .run-panel label,
  .run-panel p {
    grid-column: 1/-1;
  }
  .run-panel select {
    margin: 0;
  }
  .lab-grid {
    gap: 30px;
  }
  .method-grid {
    gap: 0;
  }
  .output-heading .eyebrow {
    font-size: 8px;
  }
  footer {
    align-items: flex-start;
  }
  footer span:last-child {
    text-align: right;
    max-width: 190px;
  }
}
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
}

#prefix-readout {
  font-size: 9px;
  letter-spacing: 0.25px;
  margin: 8px 0 0;
}

/* Keep replay and live generation in one editorial shell. */
#setup { scroll-margin-top: 24px; }
#setup code { overflow-wrap: anywhere; }
#setup pre { overflow-x: auto; }
[hidden] { display: none !important; }
#copy-status:empty { display: none; }
body[data-mode="replay"] .intro .eyebrow { color: var(--rust); }
body[data-mode="replay"] #edited { background: transparent; }

.gallery{border-top:1px solid var(--line);padding:30px 0}
.gallery-heading{display:flex;align-items:baseline;justify-content:space-between;gap:20px}
.gallery-heading h2{margin:0 0 20px;font-size:28px;font-weight:400;letter-spacing:-.7px}
.gallery-heading p{font-size:16px;color:var(--muted)}
.gallery-cards{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}
.gallery-cards button{display:flex;flex-direction:column;align-items:flex-start;gap:13px;min-height:175px;padding:20px;text-align:left;border:1px solid var(--line);border-top:2px solid var(--line)}
.gallery-cards strong{font:400 26px/1.15 Georgia,serif;letter-spacing:-.5px}
.gallery-excerpt{font:16px/1.45 Georgia,serif;color:var(--muted);overflow-wrap:anywhere}
.gallery-cards button[aria-pressed="true"]{border-top-color:var(--rust);background:#eee5d8}
.gallery-cards button[aria-pressed="true"] strong{color:var(--rust)}
.gallery-note{border-left:2px solid var(--rust);padding:10px 16px;background:#eee5d8;font-size:17px;line-height:1.5;max-width:900px}
@media(max-width:650px){.gallery-heading{display:block}.gallery-heading h2{margin-bottom:8px}.gallery-cards{grid-template-columns:1fr}.gallery-cards button{min-height:0;padding:15px;gap:8px}.gallery-cards strong{font-size:23px}}

.token-explorer{padding:40px 0;border-top:1px solid var(--line)}
.token-explorer>p:not(.trace-prefix){max-width:780px;line-height:1.6}
.trace-toolbar{display:flex;align-items:center;gap:16px;flex-wrap:wrap;margin:24px 0}
.trace-toolbar select{width:auto;margin:0;min-height:44px;padding:8px 28px 8px 12px;border:1px solid var(--line);border-radius:0;background:transparent;color:var(--ink);font:inherit}.trace-toolbar input{flex:1;min-width:140px;accent-color:var(--rust)}
.trace-tokens{display:flex;flex-wrap:wrap;gap:5px;padding:24px 0;border-block:1px solid var(--line)}
.trace-tokens button{font:21px/1.4 Georgia,serif;white-space:pre-wrap;padding:6px 8px;min-height:44px;border-color:transparent}
.trace-tokens button[aria-pressed="true"]{color:var(--rust);background:#ead8c9;border-color:var(--rust)}
.trace-tokens button.trace-future{color:var(--muted)}
.trace-prefix{font-size:25px;line-height:1.55;min-height:110px;margin:24px 0}
#trace-details{font:13px/1.7 monospace;overflow-wrap:anywhere}
@media(max-width:650px){.trace-toolbar{gap:12px}.trace-toolbar input{flex-basis:100%}.trace-prefix{font-size:21px}.trace-tokens button{font-size:18px}}

.demo-links{display:flex;flex-wrap:wrap;gap:12px 26px;padding:22px 0;border-bottom:1px solid var(--line);font:13px ui-monospace,monospace}.demo-links a{text-decoration:underline;text-underline-offset:5px}.skip-demo{position:absolute;left:12px;top:-100px;background:var(--paper);padding:12px;z-index:10}.skip-demo:focus{top:12px}.intro{padding-top:48px;padding-bottom:36px}.intro h1{font-size:clamp(42px,7vw,86px)}

.share-tools{display:flex;flex-wrap:wrap;align-items:center;gap:12px;margin:20px 0}.share-tools input{min-width:0;width:100%;padding:10px;border:1px solid var(--line);background:var(--paper);color:var(--ink)}.share-tools p{font:12px/1.6 ui-monospace,monospace;margin:0;color:var(--muted)}