/* Carry the local workbench's light surfaces, blue focus and exact-word typography. */
:root {
  color-scheme:light;
  --paper:#f3f5f8;
  --ink:#171b25;
  --muted:#556174;
  --line:#d5dbe5;
  --blue:#2458df;
  --red:#a52643;
  --mono:ui-monospace,SFMono-Regular,Menlo,monospace}

* {
  box-sizing:border-box}
html {
  scroll-behavior:smooth}
body {
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font:16px/1.6 -apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}
a {
  color:var(--blue);
  text-underline-offset:4px}
a:hover {
  text-decoration-thickness:2px}
.shell {
  width:min(1080px,100%);
  margin:auto;
  padding-inline:clamp(22px,5vw,60px)}
header {
  min-height:88px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
  border-bottom:1px solid var(--line)}
.brand {
  color:var(--ink);
  font-size:25px;
  font-weight:650;
  letter-spacing:-1px;
  text-decoration:none}
.brand span {
  color:var(--blue);
  font-size:34px;
  margin-right:7px}
nav {
  display:flex;
  gap:24px;
  font-size:13px}
.intro {
  padding-block:32px 25px}
.eyebrow {
  font-size:10px;
  letter-spacing:1.8px;
  font-weight:650;
  color:var(--muted);
  margin:0 0 16px}
h1 {
  font-size:clamp(40px,6vw,58px);
  line-height:1.04;
  letter-spacing:-2.8px;
  font-weight:520;
  margin:0 0 24px}
h1 em {
  font-style:normal;
  font-weight:650;
  color:var(--blue)}
.lead {
  font-size:19px;
  line-height:1.6;
  max-width:610px;
  margin:0 0 15px}
.scope {
  font-size:12px;
  color:var(--muted);
  max-width:680px;
  margin:0}
.experiment {
  background:white;
  border:1px solid var(--line)}
.toolbar {
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  padding:16px 24px;
  border-bottom:1px solid var(--line)}
.call {
  font:12px var(--mono);
  font-weight:650}
.actions {
  display:flex;
  gap:9px}
button {
  font-family:inherit;
  font-size:12px;
  font-weight:600;
  line-height:1.4;
  min-height:42px;
  padding:10px 15px;
  border:1px solid #b9c3d3;
  border-radius:3px;
  background:white;
  color:var(--ink);
  cursor:pointer}
button:hover {
  background:#e7edfa}
button.primary {
  background:var(--blue);
  border-color:var(--blue);
  color:white}
button.primary:hover {
  background:#1744ba}
button:disabled {
  opacity:.45;
  cursor:default}
a:focus-visible,button:focus-visible,summary:focus-visible,input:focus-visible,.table-wrap:focus-visible {
  outline:3px solid var(--blue);
  outline-offset:4px}
.comparison {
  display:grid;
  grid-template-columns:1fr 1fr}
.model {
  padding:20px 28px}
.original {
  border-right:1px solid var(--line)}
.model-heading {
  display:flex;
  flex-direction:column;
  gap:3px;
  padding-bottom:16px}
.model h2 {
  font-size:18px;
  letter-spacing:-.4px;
  line-height:1.3;
  margin:0}
.model-heading>span {
  font-size:11px;
  color:var(--muted)}
.model dl {
  margin:0}
.model dl>div {
  padding:12px 0;
  border-top:1px solid var(--line)}
dt {
  font-size:11px;
  color:var(--muted);
  margin-bottom:7px}
dd {
  margin:0;
  font:15px/1.5 var(--mono);
  font-variant-numeric:tabular-nums;
  overflow-wrap:anywhere}
.returned dd {
  font-size:28px;
  letter-spacing:-1px}
.edited .state-row.changed {
  background:#fff0f3;
  margin-inline:-12px;
  padding-inline:12px;
  border-color:#ecc4ce}
.edited .state-row.changed dd,.returned.changed dd {
  color:var(--red);
  font-weight:650}
.increment dd {
  font-size:12px;
  color:var(--muted)}
.observation {
  border-block:1px solid var(--line);
  padding:15px 25px;
  font-size:14px;
  background:#edf2fc;
  color:#203d84}
.observation[data-kind=state],.observation[data-kind=return] {
  background:#fff0f3;
  color:#802139}
.edit-note {
  padding:22px 25px;
  display:grid;
  grid-template-columns:130px 1fr;
  gap:7px 22px}
.edit-note .eyebrow {
  margin:0;
  padding-top:4px}
.edit-note code {
  font:15px/1.6 var(--mono);
  color:var(--red)}
.edit-note>span:last-child {
  grid-column:2;
  font-size:12px;
  color:var(--muted);
  max-width:410px}
.starting {
  font:10px/1.7 var(--mono);
  color:var(--muted);
  margin:0;
  padding:0 25px 22px;
  overflow-wrap:anywhere}
details {
  border-top:1px solid var(--line)}
summary {
  cursor:pointer;
  padding:17px 25px;
  font-size:13px;
  font-weight:600}
.custom-inputs>p {
  font-size:12px;
  color:var(--muted);
  margin:0 25px 20px}
.custom-inputs form {
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:16px;
  padding:0 25px 22px}
label {
  display:block;
  font-size:11px;
  font-weight:600;
  margin-bottom:6px}
input {
  width:100%;
  min-height:43px;
  padding:10px;
  border:1px solid #b9c3d3;
  border-radius:3px;
  font:12px var(--mono);
  color:var(--ink);
  background:white}
input[aria-invalid=true] {
  border-color:var(--red)}
#apply {
  justify-self:start}
.error {
  font-size:12px;
  line-height:1.6;
  color:#802139;
  background:#fff0f3;
  padding:12px;
  margin:0}
#input-error {
  grid-column:1/-1}
.table-wrap {
  overflow:auto;
  margin:0 25px 22px}
table {
  width:100%;
  border-collapse:collapse;
  text-align:left;
  font:11px/1.5 var(--mono);
  white-space:nowrap}
th,td {
  padding:12px 10px;
  border-bottom:1px solid var(--line)}
th {
  font-size:10px;
  color:var(--muted)}
td.different {
  color:var(--red);
  font-weight:650}
.method {
  display:grid;
  grid-template-columns:1fr 1.45fr;
  gap:55px;
  padding-block:60px}
.method h2 {
  font-size:29px;
  font-weight:550;
  line-height:1.18;
  letter-spacing:-1px;
  margin:0}
.method-copy>p {
  font-size:14px;
  margin:0 0 18px}
.method-copy details {
  border-bottom:1px solid var(--line)}
.method-copy summary {
  padding-inline:0}
.method-copy details p,.evidence {
  font-size:12px;
  color:var(--muted)}
.method-copy code {
  font-family:var(--mono);
  font-size:12px}
.evidence {
  padding-left:18px}
.evidence li {
  margin-bottom:9px}
.workbench-link {
  display:block;
  font-size:13px;
  font-weight:600;
  margin-top:24px}
footer {
  border-top:1px solid var(--line);
  padding-block:27px;
  display:flex;
  justify-content:space-between;
  gap:25px;
  align-items:start}
footer p,footer>a {
  font-size:11px;
  margin:0;
  color:var(--muted)}
.sr-only {
  position:absolute;
  width:1px;
  height:1px;
  padding:0;
  margin:-1px;
  overflow:hidden;
  clip-path:inset(50%);
  white-space:nowrap;
  border:0}
[hidden] {
  display:none!important}

@media(max-width:680px) {
  header {
  min-height:78px;
  gap:12px;
  flex-wrap:wrap;
  padding-block:14px}
nav {
  font-size:11px;
  gap:16px}
.intro {
  padding-top:34px}
h1 {
  letter-spacing:-1.8px}
.lead {
  font-size:17px}
.toolbar {
  padding:17px;
  gap:12px;
  flex-wrap:wrap}
.actions {
  flex-wrap:wrap}
.comparison {
  grid-template-columns:1fr}
.model {
  padding:23px}
.original {
  border-right:0;
  border-bottom:1px solid var(--line)}
.model-heading {
  padding-bottom:18px}
.model dl {
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:0 12px}
.returned {
  grid-column:1/-1}
.model dl .state-row {
  grid-column:1/-1}
.increment {
  grid-column:1/-1}
.increment dd {
  font-size:12px}
.model dl>div {
  padding-block:13px}
.observation {
  padding:16px 20px}
.edit-note {
  grid-template-columns:1fr;
  padding:20px;
  gap:8px}
.edit-note>span:last-child {
  grid-column:1}
.starting {
  padding-inline:20px}
.custom-inputs form {
  grid-template-columns:1fr;
  padding-inline:20px}
.custom-inputs>p {
  margin-inline:20px}
summary {
  padding-inline:20px}
.table-wrap {
  margin-inline:20px}
.method {
  grid-template-columns:1fr;
  gap:25px;
  padding-block:42px}
.method h2 br {
  display:none}
footer {
  flex-direction:column}
.returned dd {
  font-size:26px}
}

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