:root {
  --accent: #176a62;
  --ink: #163b3d;
  --muted: #647975;
  --paper: #f6f6f0;
  --line: #dce4dc;
  --soft: #eaf0e9;
  --white: #fff;
  --amber: #a76b23;
  font-synthesis: none;
}
* {
  box-sizing: border-box;
}
html {
  scroll-behavior: auto;
}
body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font:
    15px/1.65 -apple-system,
    BlinkMacSystemFont,
    'Segoe UI',
    sans-serif;
}
a {
  color: var(--accent);
  text-underline-offset: 3px;
}
button,
input,
select,
textarea {
  font: inherit;
}
button {
  cursor: pointer;
}
button:disabled {
  cursor: default;
  opacity: 0.45;
}
button,
input,
select,
textarea,
a {
  outline-offset: 4px;
}
button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible,
a:focus-visible {
  outline: 3px solid #ca9238;
}
button {
  color: inherit;
}
header {
  height: 76px;
  border-bottom: 1px solid var(--line);
  background: #ffffffb8;
}
.shell {
  max-width: 1380px;
  padding: 0 40px;
  margin: 0 auto;
}
.header-inner {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 12px;
}
.brand-mark {
  display: grid;
  place-items: center;
  width: 33px;
  height: 33px;
  border: 1.5px solid var(--accent);
  border-radius: 10px;
  transform: rotate(-6deg);
  font-weight: 800;
  color: var(--accent);
}
.brand strong {
  letter-spacing: 0.02em;
}
.brand span:last-child {
  font-size: 12px;
  color: var(--muted);
}
nav {
  display: flex;
  gap: 24px;
  align-items: center;
  font-size: 13px;
}
nav a {
  text-decoration: none;
}
select {
  padding: 7px 10px;
  border: 1px solid var(--line);
  border-radius: 7px;
  background: white;
  color: var(--ink);
}
.hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 265px;
  gap: 65px;
  padding: 42px 0 32px;
  align-items: end;
}
.eyebrow {
  text-transform: uppercase;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.15em;
  color: var(--accent);
}
h1 {
  font-weight: 600;
  font-size: clamp(36px, 4vw, 57px);
  line-height: 1.06;
  letter-spacing: -2.1px;
  margin: 16px 0 19px;
  max-width: 850px;
}
h2,
h3 {
  font-weight: 600;
  letter-spacing: -0.4px;
}
h2 {
  font-size: 21px;
  line-height: 1.3;
  margin: 7px 0 12px;
}
h3 {
  font-size: 17px;
  margin: 24px 0 14px;
}
.hero p {
  max-width: 760px;
  margin: 0;
  color: var(--muted);
  font-size: 16px;
  line-height: 1.65;
}
.hero-aside {
  border-left: 1px solid var(--line);
  padding-left: 28px;
}
.study-no {
  font-size: 70px;
  font-weight: 300;
  letter-spacing: -5px;
  line-height: 1;
  color: var(--accent);
}
.hero-aside .eyebrow {
  display: block;
  margin: 10px 0 14px;
}
.hero-aside p {
  font-size: 12px;
}
.stage {
  display: flex;
  gap: 9px;
  align-items: center;
  font-size: 11px;
  color: var(--muted);
  margin-top: 18px;
}
.stage i {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--accent);
}
.example-section {
  border-top: 1px solid var(--line);
  padding: 22px 0 26px;
}
.section-heading {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 20px;
}
.section-heading h2 {
  font-size: 18px;
  margin: 0;
}
.section-heading p {
  font-size: 12px;
  color: var(--muted);
  margin: 0;
}
.examples {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 10px;
  margin-top: 16px;
}
.example {
  padding: 14px 15px;
  text-align: left;
  background: transparent;
  border: 1px solid var(--line);
  border-radius: 10px;
  min-height: 112px;
  position: relative;
  transition:
    background 0.15s,
    border-color 0.15s;
}
.example:hover {
  background: #fff;
}
.example.chosen {
  background: #fff;
  border-color: var(--accent);
  box-shadow: inset 0 -3px var(--accent);
}
.example-number {
  font-size: 10px;
  color: var(--accent);
  display: block;
  margin-bottom: 6px;
  font-weight: 700;
}
.example strong {
  font-size: 12px;
  line-height: 1.3;
  display: block;
}
.example > span:last-child {
  font-size: 10px;
  color: var(--muted);
  line-height: 1.5;
  display: block;
  margin-top: 5px;
}
.active-story {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  align-items: center;
  margin: 3px 0 15px;
}
.active-story h2 {
  font-size: 18px;
  margin: 0;
}
.active-story p {
  font-size: 12px;
  color: var(--muted);
  margin: 5px 0 0;
}
.text-button {
  background: none;
  border: 0;
  padding: 6px 0;
  color: var(--accent);
  font-size: 12px;
  text-decoration: underline;
  text-underline-offset: 4px;
}
.metrics {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border: 1px solid var(--line);
  border-radius: 12px;
  background: white;
  overflow: hidden;
  margin-bottom: 20px;
}
.metric {
  padding: 18px 22px;
  border-right: 1px solid var(--line);
}
.metric:last-child {
  border-right: 0;
}
.metric span {
  display: block;
  color: var(--muted);
  font-size: 11px;
}
.metric strong {
  display: block;
  font-size: 29px;
  line-height: 1.2;
  letter-spacing: -0.9px;
  margin: 8px 0;
  font-weight: 600;
}
.metric small {
  font-size: 10px;
  color: var(--muted);
  display: block;
}
.workspace {
  display: grid;
  grid-template-columns: 280px minmax(0, 1fr);
  gap: 20px;
  align-items: start;
}
.controls {
  background: white;
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 23px;
}
.panel-title {
  border-bottom: 1px solid var(--line);
  padding-bottom: 7px;
  margin-bottom: 16px;
}
.panel-title h2 {
  font-size: 19px;
}
.field {
  display: flex;
  align-items: center;
  gap: 12px;
  justify-content: space-between;
  margin: 14px 0;
  font-size: 11px;
}
.field > span {
  max-width: 145px;
}
.field input[type='number'] {
  width: 77px;
  padding: 8px 7px;
  border: 1px solid var(--line);
  border-radius: 6px;
  color: var(--ink);
  background: var(--paper);
}
.field.stacked {
  display: block;
}
.field.stacked span {
  display: block;
  max-width: none;
  margin-bottom: 9px;
}
.field input[type='text'] {
  width: 100%;
  padding: 9px;
  border: 1px solid var(--line);
  border-radius: 6px;
}
.control-note {
  font-size: 10px;
  line-height: 1.65;
  color: var(--muted);
  margin: 19px 0 0;
}
.canvas {
  background: white;
  border: 1px solid var(--line);
  border-radius: 12px;
  overflow: hidden;
}
.canvas-head {
  display: flex;
  justify-content: space-between;
  padding: 19px 24px 5px;
  gap: 20px;
  align-items: center;
}
.canvas-head h2 {
  font-size: 17px;
  margin: 0;
}
.canvas-head .badge {
  white-space: nowrap;
}
.chart {
  padding: 14px 22px 18px;
  min-height: 265px;
}
.chart svg {
  display: block;
  width: 100%;
  height: auto;
  max-height: 280px;
  font-size: 10px;
  fill: var(--muted);
  overflow: visible;
}
.chart-caption {
  font-size: 11px;
  color: var(--muted);
  margin: 5px 0 17px;
}
.legend {
  display: flex;
  gap: 20px;
  justify-content: center;
  font-size: 10px;
  color: var(--muted);
  margin-top: 12px;
}
.legend span {
  display: flex;
  align-items: center;
  gap: 6px;
}
.legend i {
  width: 10px;
  height: 10px;
  border-radius: 2px;
}
.interpretation {
  padding: 18px 24px;
  background: var(--soft);
  border-top: 1px solid var(--line);
}
.interpretation h3 {
  font-size: 12px;
  margin: 0 0 6px;
  letter-spacing: 0;
}
.interpretation p {
  font-size: 12px;
  margin: 0;
  line-height: 1.7;
}
.badge {
  display: inline-block;
  font-size: 9px;
  line-height: 1.4;
  padding: 5px 8px;
  border-radius: 5px;
  background: var(--soft);
  color: var(--muted);
}
.badge.green {
  background: #e0eee6;
  color: #326551;
}
.badge.amber {
  background: #f6eddf;
  color: #886024;
}
.button {
  padding: 9px 14px;
  border-radius: 7px;
  border: 1px solid var(--line);
  background: white;
  font-size: 11px;
  line-height: 1.4;
}
.button.primary {
  color: white;
  background: var(--accent);
  border-color: var(--accent);
}
.button.secondary {
  background: var(--paper);
}
.button.full {
  width: 100%;
  margin-top: 14px;
}
.action-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  margin: 18px 0;
}
.button.action {
  font-size: 10px;
  padding: 9px;
}
.toolbar {
  display: flex;
  justify-content: flex-end;
  gap: 9px;
  flex-wrap: wrap;
  margin: 18px 0 30px;
}
.detail-section {
  display: grid;
  grid-template-columns: 280px minmax(0, 1fr);
  gap: 20px;
  border-top: 1px solid var(--line);
  padding-top: 26px;
}
.detail-aside p {
  font-size: 12px;
  color: var(--muted);
}
.table-scroll {
  overflow: auto;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: white;
}
table {
  width: 100%;
  border-collapse: collapse;
  font-size: 11px;
  line-height: 1.5;
}
th,
td {
  padding: 13px 15px;
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
}
th {
  font-size: 10px;
  font-weight: 600;
  background: #f0f3ee;
  color: var(--muted);
  white-space: nowrap;
}
tbody tr:last-child td {
  border-bottom: 0;
}
tbody tr:hover {
  background: #f8faf6;
}
.comparison {
  margin-bottom: 28px;
}
.comparison table {
  background: white;
  border: 1px solid var(--line);
  border-radius: 9px;
}
.matrix {
  display: grid;
  grid-template-columns: 100px repeat(5, 1fr);
  gap: 7px;
  margin: 0 auto 14px;
  max-width: 710px;
}
.matrix strong {
  font-size: 10px;
  display: grid;
  place-items: center;
  font-weight: 500;
}
.matrix-cell {
  display: grid;
  place-items: center;
  padding: 12px;
  border-radius: 6px;
  background: color-mix(in srgb, var(--accent) calc(7% + var(--strength) * 24%), #fff);
  font-size: 18px;
}
.matrix-cell.diagonal {
  outline: 1px solid color-mix(in srgb, var(--accent) 30%, white);
}
.callout {
  background: var(--soft);
  padding: 14px;
  border-radius: 8px;
  font-size: 11px;
  line-height: 1.6;
  margin-top: 16px;
}
.callout p {
  margin: 7px 0 0;
}
.state-path {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
  margin: 4px 0 22px;
}
.state-path > div {
  padding: 13px;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 8px;
}
.state-path > div.current {
  border-color: var(--accent);
  background: var(--soft);
}
.state-path span {
  display: block;
  font-size: 10px;
  color: var(--muted);
}
.state-path strong {
  display: block;
  font-size: 12px;
}
.event-track {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.event-dot {
  width: 95px;
  padding: 10px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--paper);
}
.event-dot b {
  font-size: 10px;
  color: var(--accent);
}
.event-dot span {
  font-size: 10px;
  display: block;
  margin: 6px 0;
}
.event-dot small {
  font-size: 9px;
  color: var(--muted);
}
.event-dot.recording {
  border-top: 3px solid var(--accent);
}
.event-dot.rejected {
  border-color: #c8926e;
  background: #faf0e7;
}
.evidence-bars {
  display: grid;
  gap: 17px;
  margin: 12px 0 24px;
}
.evidence-row {
  display: grid;
  grid-template-columns: 170px 1fr 20px 105px;
  gap: 14px;
  align-items: center;
  font-size: 11px;
}
.evidence-row strong,
.evidence-row span {
  display: block;
}
.evidence-row > div:first-child span {
  font-size: 10px;
  color: var(--muted);
}
.bar-track {
  height: 14px;
  background: var(--paper);
  border-radius: 4px;
  overflow: hidden;
}
.bar-track > div {
  height: 100%;
  background: var(--accent);
  border-radius: 4px;
}
.bar-track > div.pending {
  background: #c3d2d8;
}
.error {
  color: #9f3d29;
  font-size: 13px;
}
.advanced {
  border: 1px solid var(--line);
  padding: 18px 22px;
  border-radius: 10px;
  background: white;
  margin: 30px 0;
}
.advanced summary {
  cursor: pointer;
  font-size: 12px;
  color: var(--muted);
}
.advanced label {
  display: block;
  margin: 20px 0 9px;
  font-size: 12px;
}
textarea {
  width: 100%;
  min-height: 280px;
  border: 1px solid var(--line);
  border-radius: 7px;
  padding: 15px;
  font:
    12px/1.6 ui-monospace,
    monospace;
  color: var(--ink);
  resize: vertical;
  margin-bottom: 12px;
}
footer {
  border-top: 1px solid var(--line);
  padding: 24px 0 36px;
  font-size: 11px;
  color: var(--muted);
  display: flex;
  justify-content: space-between;
  gap: 20px;
}
footer p {
  margin: 0;
}
.skip {
  position: absolute;
  left: -10000px;
}
.skip:focus {
  left: 20px;
  top: 20px;
  background: white;
  padding: 12px;
  z-index: 10;
}
@media (max-width: 1050px) {
  .shell {
    padding: 0 25px;
  }
  .hero {
    gap: 25px;
    grid-template-columns: 1fr 210px;
  }
  .examples {
    grid-template-columns: repeat(3, 1fr);
  }
  .example {
    min-height: 105px;
  }
  .workspace,
  .detail-section {
    grid-template-columns: 240px minmax(0, 1fr);
  }
  .metric {
    padding: 17px 14px;
  }
  .metric strong {
    font-size: 25px;
  }
  .evidence-row {
    grid-template-columns: 130px 1fr 20px;
  }
  .evidence-row .badge {
    grid-column: 2/4;
    width: fit-content;
  }
  .matrix {
    grid-template-columns: 80px repeat(5, 1fr);
    gap: 4px;
  }
  .matrix-cell {
    padding: 9px;
  }
  .matrix strong {
    font-size: 8px;
  }
}
@media (max-width: 750px) {
  header {
    height: auto;
    padding: 16px 0;
  }
  .header-inner {
    align-items: flex-start;
  }
  .brand span:last-child {
    display: none;
  }
  nav {
    gap: 10px;
    flex-wrap: wrap;
    justify-content: flex-end;
  }
  nav a {
    font-size: 10px;
  }
  .shell {
    padding: 0 18px;
  }
  .hero {
    grid-template-columns: 1fr;
    padding-top: 30px;
  }
  .hero-aside {
    display: none;
  }
  h1 {
    font-size: 39px;
    letter-spacing: -1.4px;
  }
  .hero p {
    font-size: 14px;
  }
  .section-heading {
    display: block;
  }
  .section-heading p {
    margin-top: 5px;
  }
  .examples {
    grid-template-columns: repeat(2, 1fr);
  }
  .example:last-child {
    grid-column: 1/3;
  }
  .example {
    min-height: 98px;
  }
  .metrics {
    grid-template-columns: 1fr 1fr;
  }
  .metric:nth-child(2) {
    border-right: 0;
  }
  .metric:nth-child(-n + 2) {
    border-bottom: 1px solid var(--line);
  }
  .workspace,
  .detail-section {
    grid-template-columns: 1fr;
  }
  .controls {
    padding: 20px;
  }
  .field {
    display: inline-flex;
    width: calc(50% - 12px);
    margin: 8px 6px;
    vertical-align: top;
    gap: 8px;
  }
  .field > span {
    font-size: 10px;
  }
  .field input[type='number'] {
    width: 65px;
  }
  .field.stacked {
    width: 100%;
    margin-left: 0;
  }
  .panel-title h2 {
    font-size: 18px;
  }
  .control-note {
    margin-top: 10px;
  }
  .chart {
    padding: 12px;
    min-height: 210px;
  }
  .canvas-head {
    padding: 18px 16px 5px;
  }
  .canvas-head .badge {
    display: none;
  }
  .interpretation {
    padding: 16px;
  }
  .active-story {
    align-items: flex-start;
  }
  .active-story h2 {
    font-size: 16px;
  }
  .text-button {
    font-size: 10px;
    max-width: 100px;
  }
  .matrix {
    grid-template-columns: 68px repeat(5, 1fr);
    gap: 3px;
  }
  .matrix-cell {
    padding: 8px 3px;
    font-size: 15px;
  }
  .evidence-row {
    grid-template-columns: 125px 1fr 15px;
    font-size: 10px;
  }
  .state-path {
    gap: 4px;
  }
  .state-path > div {
    padding: 10px 6px;
  }
  .state-path strong {
    font-size: 10px;
  }
  footer {
    display: block;
  }
  .toolbar {
    justify-content: flex-start;
  }
  .detail-aside p {
    max-width: 650px;
  }
  .action-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}
@media print {
  header,
  .example-section,
  .hero-aside,
  .controls,
  .toolbar,
  .advanced,
  .text-button {
    display: none;
  }
  .shell {
    padding: 0;
  }
  .hero {
    display: block;
    padding: 12px 0;
  }
  h1 {
    font-size: 30px;
  }
  .workspace,
  .detail-section {
    display: block;
  }
  .canvas {
    break-inside: avoid;
  }
  .metrics {
    margin: 16px 0;
  }
  .table-scroll {
    overflow: visible;
  }
  th,
  td {
    padding: 8px;
  }
  body {
    background: white;
  }
  .chart svg {
    max-height: 220px;
  }
  footer {
    font-size: 9px;
  }
}

/* Let grid children shrink so wide evidence tables scroll within their panel. */
.workspace > *,
.detail-section > * {
  min-width: 0;
}
.comparison {
  overflow-x: auto;
}
.brand strong {
  white-space: nowrap;
}
@media (max-width: 750px) {
  .header-inner {
    gap: 10px;
  }
  .brand {
    gap: 8px;
  }
  .brand strong {
    font-size: 12px;
  }
  .brand-mark {
    width: 28px;
    height: 28px;
  }
  .workspace,
  .detail-section {
    grid-template-columns: minmax(0, 1fr);
  }
}

.results-jump {
  display: inline-block;
  margin-top: 12px;
  font-size: 11px;
  text-decoration: none;
  border-bottom: 1px solid var(--line);
}