.lab-widget {
  --lab-paper: #f7f7f2;
  --lab-ink: #1d2928;
  --lab-sage: #bfd2b8;
  --lab-orange: #e7784a;
  --lab-purple: #b1a2d8;
  --lab-line: #d7dcd2;
  --lab-muted: #56615a;
  margin: 2.5rem 0;
  padding: clamp(1.1rem, 3.5vw, 2.4rem);
  border: 0;
  background: transparent;
  color: var(--lab-ink);
  font-family: inherit;
  line-height: 1.5;
  text-align: left;
  overflow: visible;
}
.lab-widget *, .lab-widget *::before, .lab-widget *::after { box-sizing: border-box; }
.lab-widget [hidden] { display: none !important; }
.lab-widget button, .lab-widget input { font: inherit; }
.lab-widget button { -webkit-appearance: none; appearance: none; cursor: pointer; }
.lab-widget button:disabled { cursor: default; }
.lab-widget button:focus-visible, .lab-widget input:focus-visible, .lab-widget a:focus-visible {
  outline: 2px solid var(--lab-ink);
  outline-offset: 4px;
}
.lab-widget p { margin: 0; }
.lab-widget .lab-kicker {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  margin: 0 0 .9rem;
  font-size: .66rem;
  line-height: 1.5;
  letter-spacing: .12em;
  font-weight: 650;
  text-transform: uppercase;
}
.lab-kicker span { color: var(--lab-muted); font-weight: 400; }
.lab-widget .lab-header h2 {
  margin: 0 0 .6rem;
  padding: 0;
  color: var(--lab-ink);
  font: inherit;
  font-size: clamp(1.55rem, 2.8vw, 2.2rem);
  letter-spacing: -.045em;
  line-height: 1.12;
  font-weight: 500;
  max-width: 25ch;
  border: 0;
}
.lab-widget .lab-intro { color: var(--lab-muted); font-size: .88rem; line-height: 1.65; max-width: 65ch; }
.lab-flow { display: block; width: 100%; max-height: 86px; margin: 1.25rem auto .45rem; overflow: visible; }
.lab-flow-track { fill: none; stroke: var(--lab-line); stroke-width: 2; }
.lab-flow-node { fill: var(--lab-sage); stroke: var(--lab-paper); stroke-width: 3; }
.lab-flow-dot { fill: var(--lab-orange); stroke: var(--lab-paper); stroke-width: 3; }
.lab-flow-index { fill: var(--lab-muted); font-size: 10px; font-family: inherit; letter-spacing: 1px; }
.lab-steps { display: grid; grid-template-columns: repeat(var(--lab-step-count, 5), minmax(0, 1fr)); gap: .4rem; }
.lab-widget .lab-step {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: flex-start;
  gap: .35rem;
  min-width: 0;
  min-height: 78px;
  padding: .65rem .7rem;
  border: 0;
  background: transparent;
  color: var(--lab-muted);
  font-size: .76rem;
  line-height: 1.3;
  text-align: left;
  transition: background-color 150ms ease, border-color 150ms ease;
}
.lab-widget .lab-step:hover { background: #eef0e8; }
.lab-widget .lab-step[aria-pressed="true"] { background: transparent; color: var(--lab-ink); font-weight: 600; }
.lab-step-number { font-size: .62rem; font-variant-numeric: tabular-nums; opacity: .7; }
.lab-panels { margin-top: 1.45rem; border-top: 1px solid var(--lab-line); }
.lab-widget .lab-panel { padding: 1.4rem 0 .2rem; margin: 0; border: 0; background: transparent; }
.lab-panel + .lab-panel { border-top: 1px solid var(--lab-line); margin-top: 1rem; }
.lab-panel-heading { display: grid; grid-template-columns: 2.8rem 1fr; gap: .7rem; align-items: center; margin-bottom: 1.3rem; }
.lab-panel-number { color: #899a80; font-size: 2.15rem; font-weight: 400; letter-spacing: -.08em; line-height: 1; }
.lab-widget .lab-small-label { display: block; color: var(--lab-muted); font-size: .61rem; letter-spacing: .09em; line-height: 1.5; text-transform: uppercase; font-weight: 650; }
.lab-widget .lab-panel h3 { margin: .25rem 0 0; padding: 0; color: var(--lab-ink); font: inherit; font-size: 1.1rem; font-weight: 550; letter-spacing: -.025em; line-height: 1.3; border: 0; }
.lab-exchange { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); margin: 0; padding: 0; }
.lab-exchange > div { min-width: 0; padding: 0 1rem; border-left: 1px solid var(--lab-line); }
.lab-exchange > div:first-child { padding-left: 0; border-left: 0; }
.lab-exchange > div:last-child { padding-right: 0; }
.lab-exchange dt { margin: 0 0 .45rem; font-size: .62rem; line-height: 1.4; letter-spacing: .08em; text-transform: uppercase; color: var(--lab-muted); font-weight: 650; }
.lab-exchange dd { margin: 0; font-size: .81rem; line-height: 1.65; color: var(--lab-ink); }
.lab-widget .lab-insight { margin-top: 1.3rem; padding: .8rem 0; color: var(--lab-muted); font-size: .78rem; line-height: 1.7; }
.lab-step-footer { display: flex; align-items: center; justify-content: space-between; gap: 1rem; padding-top: 1rem; }
.lab-widget .lab-step-status { font-size: .69rem; color: var(--lab-muted); }
.lab-widget .lab-next { flex-shrink: 0; border: 0; border-bottom: 1px solid var(--lab-ink); border-radius: 0; padding: .35rem 0; background: transparent; color: var(--lab-ink); font-size: .76rem; line-height: 1.4; }
.lab-next span { display: inline-block; margin-left: .6rem; }
.lab-widget .lab-footnote { margin-top: 1.2rem; padding-top: .9rem; border-top: 1px solid var(--lab-line); color: var(--lab-muted); font-size: .68rem; line-height: 1.7; }
.lab-footnote a { color: var(--lab-ink); text-decoration: underline; text-underline-offset: 3px; }
.lab-widget .lab-static-note { margin: 1rem 0; font-size: .75rem; color: var(--lab-muted); }
.lab-widget[data-lab-ready] .lab-static-note { display: none; }
.lab-evidence { margin-top: 1.2rem; border-top: 1px solid var(--lab-line); border-bottom: 1px solid var(--lab-line); }
.lab-evidence-row { display: grid; grid-template-columns: 4.3rem 1fr auto; gap: .6rem; align-items: center; padding: .65rem .55rem; font-size: .73rem; }
.lab-evidence-row + .lab-evidence-row { border-top: 1px solid var(--lab-line); }
.lab-evidence-row > span:first-child { font-variant-numeric: tabular-nums; color: var(--lab-muted); font-size: .64rem; }
.lab-widget .lab-evidence-row p { font-size: .75rem; line-height: 1.6; }
.lab-evidence-picked { background: #e8eee1; }
.lab-evidence-muted { color: var(--lab-muted); }
.lab-tag { font-size: .58rem; line-height: 1.4; padding: .23rem .45rem; border-radius: 4px; background: #e6e8df; white-space: nowrap; }
.lab-evidence-picked .lab-tag { background: var(--lab-sage); }
.lab-answer { margin-top: 1.3rem; padding: 1.1rem 0; }
.lab-widget .lab-answer p { margin-top: .6rem; font-size: 1.1rem; line-height: 1.55; letter-spacing: -.02em; }
.lab-citation { display: inline-grid; place-items: center; vertical-align: middle; width: 1.3rem; height: 1.3rem; margin-left: .25rem; background: var(--lab-sage); border-radius: 3px; font-size: .65rem; }
.lab-answer-source { margin-top: .8rem; color: var(--lab-muted); font-size: .65rem; }
.lab-widget .lab-checks { padding: 0; margin: 1.3rem 0 0; list-style: none; }
.lab-checks li { padding: .45rem 0; border-top: 1px solid var(--lab-line); font-size: .77rem; }
.lab-checks li span { display: inline-block; width: 1.3rem; color: #57754c; }
.lab-dpo-formula { margin-top: 1.4rem; padding: 1rem 0; border-top: 1px solid var(--lab-line); border-bottom: 1px solid var(--lab-line); }
.lab-widget .lab-dpo-formula p { margin: .4rem 0 .5rem; font-size: clamp(1.2rem, 2.3vw, 1.7rem); letter-spacing: -.035em; }
.lab-dpo-formula > span:last-child { display: block; color: var(--lab-muted); font-size: .72rem; line-height: 1.8; overflow-wrap: anywhere; }
.lab-dpo-grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.12fr); gap: 2rem; margin-top: 1.5rem; }
.lab-controls { border: 0; min-width: 0; padding: 0; margin: 0; }
.lab-controls legend { padding: 0; margin-bottom: 1rem; font-size: .65rem; letter-spacing: .09em; text-transform: uppercase; color: var(--lab-muted); font-weight: 650; }
.lab-control + .lab-control { margin-top: 1.4rem; }
.lab-control label { display: flex; align-items: baseline; justify-content: space-between; gap: 1rem; font-size: .82rem; font-weight: 550; color: var(--lab-ink); }
.lab-control label output { color: var(--lab-ink); font-size: 1rem; font-variant-numeric: tabular-nums; font-weight: 400; }
.lab-widget .lab-control input[type="range"] { display: block; width: 100%; padding: 0; margin: .85rem 0 .35rem; accent-color: var(--lab-ink); cursor: ew-resize; height: 20px; }
.lab-range-ends { display: flex; justify-content: space-between; gap: 1rem; font-size: .6rem; color: var(--lab-muted); }
.lab-widget .lab-control p { margin-top: .6rem; font-size: .7rem; line-height: 1.65; color: var(--lab-muted); }
.lab-presets { display: flex; flex-wrap: wrap; gap: .4rem; margin-top: 1.1rem; }
.lab-widget .lab-presets button { padding: .4rem .6rem; border: 0; background: transparent; color: var(--lab-ink); font-size: .63rem; line-height: 1.4; }
.lab-widget .lab-presets button:hover, .lab-widget .lab-presets button[aria-pressed="true"] { background: transparent; text-decoration: underline; text-underline-offset: 4px; }
.lab-results { min-width: 0; }
.lab-metrics { display: grid; grid-template-columns: .85fr 1.15fr; gap: 1rem; align-items: start; }
.lab-loss { display: block; margin-top: .3rem; font-size: clamp(2rem, 4vw, 3rem); line-height: 1.1; letter-spacing: -.07em; font-weight: 450; font-variant-numeric: tabular-nums; color: var(--lab-ink); }
.lab-probability { display: block; margin-top: .35rem; font-size: 1.7rem; line-height: 1.2; letter-spacing: -.05em; font-variant-numeric: tabular-nums; color: var(--lab-ink); }
.lab-metric-detail { display: block; margin-top: .4rem; font-size: .6rem; line-height: 1.5; color: var(--lab-muted); }
.lab-probability-track { height: 5px; margin-top: 1.25rem; overflow: hidden; border-radius: 5px; background: var(--lab-sage); }
.lab-probability-track > span { display: block; height: 100%; background: var(--lab-ink); width:100%;transform-origin:left;transition:transform 120ms linear; }
.lab-loss-figure { margin: 1rem 0 0; }
.lab-loss-figure svg { display: block; width: 100%; overflow: visible; }
.lab-chart-grid { fill: none; stroke: var(--lab-line); stroke-width: 1; stroke-dasharray: 3 4; }
.lab-chart-axis { fill: none; stroke: #a3afa1; stroke-width: 1; }
.lab-chart-label { fill: var(--lab-muted); font: 11px sans-serif; }
.lab-loss-curve { fill: none; stroke: var(--lab-ink); stroke-width: 2.4; stroke-linecap: round; stroke-linejoin: round; }
.lab-loss-point { fill: var(--lab-orange); stroke: var(--lab-paper); stroke-width: 3; }
.lab-loss-figure figcaption { font-size: .6rem; line-height: 1.6; color: var(--lab-muted); margin: .4rem 0 0; }
.lab-widget .lab-dpo-reading { margin-top: 1.3rem; padding: .85rem 0; color: var(--lab-muted); font-size: .77rem; line-height: 1.65; }
@media (max-width: 760px) {
  .lab-dpo-grid { grid-template-columns: 1fr; gap: 1.8rem; }
  .lab-results { padding-top: 1.4rem; border-top: 1px solid var(--lab-line); }
}
@media (max-width: 600px) {
  .lab-widget { margin: 1.8rem 0; }
  .lab-widget .lab-kicker { font-size: .58rem; }
  .lab-steps { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .lab-widget .lab-step { min-height: 60px; flex-direction: row; gap: .6rem; align-items: center; padding: .6rem; }
  .lab-exchange { grid-template-columns: 1fr; }
  .lab-exchange > div, .lab-exchange > div:first-child, .lab-exchange > div:last-child { padding: .75rem 0; border-left: 0; border-top: 1px solid var(--lab-line); }
  .lab-exchange dt { margin-bottom: .3rem; }
  .lab-panel-heading { grid-template-columns: 2.3rem 1fr; gap: .6rem; margin-bottom: 1rem; }
  .lab-widget .lab-panel h3 { font-size: 1rem; }
  .lab-evidence-row { grid-template-columns: 3.6rem 1fr; gap: .4rem; }
  .lab-evidence-row .lab-tag { grid-column: 2; justify-self: start; }
  .lab-step-footer { align-items: flex-start; }
  .lab-widget .lab-step-status { font-size: .62rem; max-width: 22ch; }
}
@media (prefers-reduced-motion: reduce) {
  .lab-widget *, .lab-widget *::before, .lab-widget *::after { animation: none !important; transition: none !important; scroll-behavior: auto !important; }
}