/* Decision lab: one field signal changes the route from information to action. */
.decision-lab {
  --lab-bg: #242721;
  --lab-paper: #f3f1e9;
  --lab-muted: #c2c7ba;
  --lab-rule: #50564c;
  --lab-blue: #a8c5ee;
  --lab-blue-line: #729dd6;
  --lab-human: #efb293;
  --lab-human-line: #d9845d;
  position: relative;
  margin-top: clamp(42px, 7vw, 88px);
  padding: clamp(25px, 4.2vw, 58px);
  background: var(--lab-bg);
  color: var(--lab-paper);
  border-radius: 3px;
  overflow: clip;
  isolation: isolate;
}
.decision-lab *,
.decision-lab *::before,
.decision-lab *::after {
  box-sizing: border-box;
}
.decision-lab [hidden] {
  display: none !important;
}
.decision-lab button {
  font: inherit;
}
.decision-lab p,
.decision-lab h3,
.decision-lab h4 {
  margin: 0;
}
.decision-lab .lab-kicker {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 27px;
  color: var(--lab-muted);
  font-size: 12px;
  letter-spacing: 0.07em;
}
.lab-kicker > span {
  width: 7px;
  height: 7px;
  background: var(--lab-human-line);
  transform: rotate(-8deg);
}
.decision-lab #lab-title {
  max-width: 900px;
  color: var(--lab-paper);
  font-family: var(--sans, sans-serif);
  font-size: clamp(25px, 3.15vw, 41px);
  font-weight: 500;
  line-height: 1.65;
  letter-spacing: -0.045em;
}
.decision-lab .lab-intro {
  margin-top: 21px;
  color: var(--lab-muted);
  font-size: clamp(13px, 1.2vw, 14px);
  line-height: 1.95;
}
@media (min-width: 901px) {
  .lab-heading {
    display: grid;
    grid-template-columns: minmax(0, 1.5fr) minmax(0, 1fr);
    column-gap: 34px;
    row-gap: 17px;
    align-items: end;
  }
  .decision-lab .lab-kicker {
    grid-column: 1 / -1;
    margin: 0;
  }
  .decision-lab #lab-title {
    font-size: clamp(27px, 2.55vw, 35px);
    line-height: 1.6;
  }
  .decision-lab .lab-intro {
    margin: 0;
    padding-bottom: 4px;
    font-size: 12.5px;
  }
  .lab-heading .lab-desktop-break {
    display: none;
  }
}
.lab-input {
  display: grid;
  grid-template-columns: minmax(170px, 0.72fr) minmax(0, 2.5fr);
  gap: 25px;
  margin-top: 27px;
  padding: 21px 0;
  border-top: 1px solid var(--lab-rule);
  border-bottom: 1px solid var(--lab-rule);
}
.lab-common {
  border-right: 1px solid var(--lab-rule);
  padding-right: 22px;
}
.decision-lab .lab-label {
  color: var(--lab-muted);
  font-size: 11px;
  line-height: 1.65;
  letter-spacing: 0.04em;
}
.decision-lab .lab-common > p {
  margin-top: 10px;
  color: var(--lab-paper);
  font-family: var(--serif, serif);
  font-size: 21px;
  line-height: 1.6;
}
.lab-controls {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 10px;
}
.decision-lab .lab-signal {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 43px;
  padding: 9px 12px;
  border: 1px solid #666e60;
  border-radius: 2px;
  background: transparent;
  color: var(--lab-paper);
  font-size: 12px;
  line-height: 1.65;
  letter-spacing: 0;
  text-align: left;
  cursor: pointer;
  transition:
    border-color 160ms ease,
    background-color 160ms ease,
    color 160ms ease;
}
.decision-lab .lab-signal:hover {
  border-color: var(--lab-human);
  background: #393b30;
}
.decision-lab .lab-signal[aria-pressed="true"] {
  border-color: var(--lab-paper);
  background: var(--lab-paper);
  color: var(--lab-bg);
}
.decision-lab .lab-signal:focus-visible {
  outline: 3px solid var(--lab-human);
  outline-offset: 4px;
}
.lab-signal-mark {
  flex: 0 0 6px;
  width: 6px;
  height: 6px;
  border: 1px solid currentColor;
  border-radius: 50%;
}
.lab-signal[aria-pressed="true"] .lab-signal-mark {
  background: #ba4528;
  border-color: #ba4528;
}
.decision-lab .lab-control-hint {
  margin-top: 9px;
  color: var(--lab-muted);
  font-size: 11px;
  line-height: 1.7;
}
.decision-lab .lab-static-signal {
  margin-top: 10px;
  color: var(--lab-human);
  font-size: 14px;
}
.lab-map {
  margin: 16px 0 19px;
}
.lab-map svg {
  display: block;
  width: 100%;
  height: auto;
  overflow: visible;
}
.lab-map path {
  fill: none;
  stroke-width: 1.5;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.lab-map text {
  font-family: var(--sans, sans-serif);
}
.lab-source-labels text {
  fill: #949e8e;
  font-size: 13px;
  transition: fill 200ms ease;
}
.lab-input-routes path {
  stroke: #596551;
  stroke-width: 1.25;
  transition:
    stroke 220ms ease,
    stroke-width 220ms ease;
}
.decision-lab[data-lab-signal="size"] [data-lab-route="size"],
.decision-lab[data-lab-signal="stock"] [data-lab-route="stock"],
.decision-lab[data-lab-signal="delivery"] [data-lab-route="delivery"] {
  stroke: var(--lab-blue);
  stroke-width: 3;
}
.decision-lab[data-lab-signal="size"] [data-lab-source="size"],
.decision-lab[data-lab-signal="stock"] [data-lab-source="stock"],
.decision-lab[data-lab-signal="delivery"] [data-lab-source="delivery"] {
  fill: var(--lab-blue);
}
.lab-ai-glyph path {
  stroke: var(--lab-blue-line);
}
.lab-ai-glyph circle {
  fill: var(--lab-blue);
}
.lab-map .lab-path-ai {
  stroke: var(--lab-blue-line);
  stroke-width: 2;
}
#lab-arrow-blue path {
  stroke: var(--lab-blue-line);
  fill: none;
  stroke-width: 1.5;
}
.lab-human-glyph path {
  stroke: var(--lab-human-line);
  stroke-width: 2;
}
.lab-human-glyph .lab-hand-second {
  stroke-width: 0.85;
}
.lab-human-glyph circle {
  fill: var(--lab-human);
}
.lab-map .lab-path-human {
  stroke: var(--lab-human-line);
  stroke-width: 2;
}
#lab-arrow-human path {
  stroke: var(--lab-human-line);
  fill: none;
  stroke-width: 1.5;
}
.lab-map-caption {
  font-size: 12px;
  letter-spacing: 0.05em;
}
.lab-map-caption-ai {
  fill: var(--lab-blue);
}
.lab-map-caption-human {
  fill: var(--lab-human);
}
.lab-action-glyph path,
.lab-action-glyph circle {
  fill: none;
  stroke: var(--lab-paper);
  stroke-width: 1.5;
}
.lab-action-glyph .lab-action-paper {
  stroke: #c1c8b8;
}
.lab-map .lab-return,
.lab-map .lab-return-arrow {
  stroke: #818d78;
  stroke-width: 1;
}
.lab-return-label-bg {
  fill: var(--lab-bg);
}
.lab-return-label {
  fill: var(--lab-muted);
  font-size: 12px;
  letter-spacing: 0.05em;
}
.lab-action-glyph [data-lab-symbol] {
  display: none;
}
.decision-lab[data-lab-signal="size"] [data-lab-symbol="size"],
.decision-lab[data-lab-signal="stock"] [data-lab-symbol="stock"],
.decision-lab[data-lab-signal="delivery"] [data-lab-symbol="delivery"] {
  display: inline;
}
.lab-stages {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0;
  padding: 0;
  margin: 0;
  list-style: none;
}
.lab-stage {
  min-width: 0;
  padding: 0 25px;
  border-left: 1px solid var(--lab-rule);
}
.lab-stage:first-child {
  border-left: 0;
  padding-left: 0;
}
.lab-stage:last-child {
  padding-right: 0;
}
.lab-stage-role {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--lab-paper);
}
.lab-stage-ai .lab-stage-role {
  color: var(--lab-blue);
}
.lab-stage-human .lab-stage-role {
  color: var(--lab-human);
}
.lab-stage-number {
  font-size: 11px;
  font-weight: 500;
  font-variant-numeric: tabular-nums;
}
.decision-lab .lab-stage-role h4 {
  font-size: 16px;
  font-weight: 500;
  line-height: 1.5;
}
.lab-role-line {
  display: none;
}
.decision-lab .lab-stage-title {
  min-height: 3.3em;
  margin-top: 24px;
  font-size: 18px;
  line-height: 1.65;
  letter-spacing: -0.02em;
}
.decision-lab .lab-stage-copy {
  margin-top: 12px;
  color: var(--lab-muted);
  font-size: 13px;
  line-height: 1.95;
}
.lab-handoff {
  margin-top: 22px;
  padding-top: 15px;
  border-top: 1px solid var(--lab-rule);
}
.lab-handoff > span {
  display: block;
  margin-bottom: 8px;
  color: var(--lab-muted);
  font-size: 10px;
  letter-spacing: 0.035em;
}
.decision-lab .lab-handoff p {
  color: var(--lab-paper);
  font-size: 12px;
  line-height: 1.9;
}
.lab-stage-ai .lab-handoff > span {
  color: var(--lab-blue);
}
.lab-stage-human .lab-handoff > span {
  color: var(--lab-human);
}
.lab-next {
  position: relative;
  margin-top: 35px;
  padding: 24px 31px 27px;
  border: 1px solid #78816f;
  border-left: 3px solid var(--lab-human-line);
  background: #30352b;
}
.lab-next-label {
  display: flex;
  align-items: center;
  gap: 9px;
  margin-bottom: 9px;
  color: var(--lab-muted);
  font-size: 11px;
}
.lab-next-label > span {
  color: var(--lab-human);
  font-size: 20px;
  line-height: 1;
}
.decision-lab #lab-next-action {
  max-width: 740px;
  padding-right: 105px;
  color: var(--lab-paper);
  font-size: clamp(17px, 1.8vw, 22px);
  line-height: 1.75;
  letter-spacing: -0.02em;
}
.lab-next-mark {
  position: absolute;
  right: 30px;
  bottom: 30px;
  padding-bottom: 4px;
  color: var(--lab-human);
  font-family: var(--serif, serif);
  font-size: 15px;
  transform: rotate(-5deg);
}
.lab-next-mark::after {
  content: "";
  position: absolute;
  left: -3px;
  right: -6px;
  bottom: 0;
  height: 4px;
  border-top: 1px solid var(--lab-human-line);
  border-bottom: 1px solid var(--lab-human-line);
  transform: rotate(-2deg);
}
.decision-lab .lab-footnote {
  margin-top: 21px;
  color: var(--lab-muted);
  font-size: 11px;
  line-height: 1.8;
}
.lab-sr-only {
  position: absolute !important;
  width: 1px;
  height: 1px;
  padding: 0 !important;
  margin: -1px !important;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}
.lab-changing .lab-stage-title,
.lab-changing .lab-stage-copy,
.lab-changing .lab-handoff p,
.lab-changing #lab-next-action {
  animation: lab-reveal 520ms ease-out both;
}
.lab-changing .lab-path-ai,
.lab-changing .lab-path-human {
  animation: lab-route-emphasis 680ms ease-out both;
}
@keyframes lab-reveal {
  from {
    opacity: 0.45;
    transform: translateY(4px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}
@keyframes lab-route-emphasis {
  0% {
    opacity: 0.3;
    stroke-width: 1.2;
  }
  45% {
    opacity: 1;
    stroke-width: 3;
  }
  100% {
    opacity: 1;
    stroke-width: 2;
  }
}
@media (max-width: 1050px) {
  .lab-input {
    grid-template-columns: minmax(155px, 0.75fr) minmax(0, 2fr);
    gap: 20px;
  }
  .lab-stage {
    padding: 0 18px;
  }
  .decision-lab .lab-stage-title {
    font-size: 16px;
  }
  .decision-lab .lab-stage-copy {
    font-size: 12px;
  }
  .decision-lab .lab-signal {
    padding: 8px 10px;
    font-size: 11px;
  }
}
@media (max-width: 760px) {
  .decision-lab {
    padding: 27px 24px;
  }
  .decision-lab #lab-title {
    font-size: clamp(23px, 4.6vw, 34px);
  }
  .lab-input {
    grid-template-columns: 1fr;
    gap: 20px;
    padding: 21px 0;
  }
  .lab-common {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 18px;
    border: 0;
    padding: 0;
  }
  .decision-lab .lab-common > p {
    margin: 0;
    font-size: 18px;
  }
  .lab-controls {
    gap: 8px;
  }
  .decision-lab .lab-signal {
    flex-grow: 1;
    font-size: 12px;
  }
  .lab-map {
    display: none;
  }
  .lab-reading {
    display: flex;
    flex-direction: column;
  }
  .lab-stages {
    display: block;
    margin-top: 0;
  }
  .lab-stage,
  .lab-stage:first-child,
  .lab-stage:last-child {
    position: relative;
    padding: 0 0 25px 28px;
    border: 0;
    border-left: 1px solid #657359;
  }
  .lab-stage:last-child {
    padding-bottom: 2px;
    border-left-color: transparent;
  }
  .lab-stage-role::before {
    content: "";
    position: absolute;
    top: 5px;
    left: -5px;
    width: 9px;
    height: 9px;
    border-radius: 50%;
    background: currentColor;
    box-shadow: 0 0 0 6px var(--lab-bg);
  }
  .lab-stage-role {
    gap: 9px;
  }
  .lab-role-line {
    display: block;
    flex: 1;
    height: 1px;
    margin-left: 5px;
    background: var(--lab-rule);
  }
  .decision-lab .lab-stage-title {
    min-height: 0;
    margin-top: 15px;
    font-size: 19px;
  }
  .decision-lab .lab-stage-copy {
    margin-top: 9px;
    font-size: 13px;
  }
  .lab-handoff {
    margin-top: 14px;
    padding: 13px 15px;
    border: 0;
    background: #30362b;
  }
  .lab-handoff > span {
    margin-bottom: 5px;
  }
  .lab-next {
    order: -1;
    margin: 25px 0 30px;
    padding: 20px 21px 23px;
  }
  .decision-lab #lab-next-action {
    padding: 0;
    font-size: 19px;
  }
  .lab-next-mark {
    position: relative;
    display: table;
    right: auto;
    bottom: auto;
    margin: 16px 0 0 auto;
    font-size: 13px;
  }
  .lab-desktop-break {
    display: none;
  }
}
@media (max-width: 390px) {
  .decision-lab {
    padding: 24px 18px;
  }
  .decision-lab #lab-title {
    font-size: 23px;
  }
  .lab-common {
    display: block;
  }
  .decision-lab .lab-common > p {
    margin-top: 7px;
  }
  .lab-controls {
    display: grid;
    grid-template-columns: 1fr;
  }
  .decision-lab .lab-signal {
    justify-content: flex-start;
    padding-left: 13px;
  }
  .lab-stage,
  .lab-stage:first-child,
  .lab-stage:last-child {
    padding-left: 20px;
  }
  .decision-lab .lab-stage-title {
    font-size: 17px;
  }
  .lab-next {
    padding: 18px 16px 23px;
  }
}
@media (prefers-reduced-motion: reduce) {
  .decision-lab *,
  .decision-lab *::before,
  .decision-lab *::after {
    animation: none !important;
    transition: none !important;
  }
}
@media print {
  .decision-lab {
    break-inside: auto;
    overflow: visible;
    border: 1px solid #cecec2;
  }
  .lab-controls,
  .lab-control-hint {
    display: none !important;
  }
  .lab-stages {
    display: block;
  }
  .lab-stage,
  .lab-stage:first-child,
  .lab-stage:last-child {
    break-inside: avoid;
    padding: 14px 0;
    border: 0;
  }
  .decision-lab .lab-stage-title {
    min-height: 0;
  }
}