.pikurn-lab {
  --pk-green: #29956d;
  --pk-red: #d35b60;
  --pk-blue: #507fcd;
  display: block;
  margin: 1rem 0;
  border: 1px solid var(--wow-border);
  background: var(--wow-back-alt);
  color: var(--wow-text);
  padding: clamp(1rem, 2vw, 1.4rem);
  border-radius: 0.65rem;
  font-size: 0.9rem;
}
.pikurn-lab *,
.pikurn-lab *::before,
.pikurn-lab *::after {
  box-sizing: border-box;
}
.pikurn-lab .pk-heading h3 {
  margin: 0 0 0.5rem;
  font-size: 1.3rem;
  line-height: 1.2;
}
.pikurn-lab p {
  margin: 0.5rem 0;
  line-height: 1.5;
}
.pikurn-lab .pk-kicker {
  margin: 0 0 0.4rem;
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.pikurn-lab .pk-small {
  display: block;
  font-size: 0.76rem;
  line-height: 1.5;
}
.pikurn-lab .pk-controls {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr)) minmax(12rem, 1.8fr);
  gap: 0.8rem;
  border: 0;
  border-top: 1px solid var(--wow-border);
  padding: 0.7rem 0 0;
  margin: 1rem 0 0;
  min-width: 0;
}
.pikurn-lab legend {
  padding: 0 0.5rem 0 0;
  font-size: 0.8rem;
}
.pikurn-lab label {
  display: flex;
  gap: 0.4rem;
  flex-direction: column;
  min-width: 0;
}
.pikurn-lab label > span {
  display: flex;
  gap: 0.5rem;
  align-items: center;
}
.pikurn-lab input,
.pikurn-lab select,
.pikurn-lab button {
  font: inherit;
  color: var(--wow-text);
  background: var(--wow-back);
  border: 1px solid var(--wow-border);
  border-radius: 0.3rem;
  min-height: 40px;
  padding: 0.5rem;
  max-width: 100%;
}
.pikurn-lab input {
  width: 100%;
}
.pikurn-lab .pk-goal {
  grid-column: auto;
}
.pikurn-lab button {
  cursor: pointer;
}
.pikurn-lab button:disabled {
  cursor: not-allowed;
  opacity: 0.4;
}
.pikurn-lab button:hover:not(:disabled) {
  background: var(--wow-back-alt);
  border-color: var(--wow-text);
}
.pikurn-lab :is(button, input, select, summary):focus-visible {
  outline: 2px solid var(--wow-text);
  outline-offset: 3px;
}
.pikurn-lab .pk-token {
  width: 0.8em;
  height: 0.8em;
  display: inline-block;
  flex: none;
  background: currentColor;
  vertical-align: middle;
}
.pikurn-lab .pk-G {
  color: var(--pk-green);
  border-radius: 50%;
}
.pikurn-lab .pk-R {
  color: var(--pk-red);
  clip-path: polygon(50% 0, 100% 50%, 50% 100%, 0 50%);
}
.pikurn-lab .pk-B {
  color: var(--pk-blue);
}
.pikurn-lab .pk-stage {
  display: grid;
  grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.5fr);
  gap: 1rem;
  padding: 0.7rem 0;
  align-items: center;
}
.pikurn-lab .pk-urn-side {
  text-align: center;
}
.pikurn-lab .pk-urn {
  position: relative;
  display: flex;
  flex-wrap: wrap;
  align-content: flex-end;
  justify-content: center;
  gap: 0.65rem;
  margin: 0.75rem auto 0.6rem;
  min-height: 7rem;
  max-width: 12rem;
  padding: 1.5rem 0.8rem 1rem;
  border: 2px solid var(--wow-border);
  border-top: 0;
  border-radius: 0 0 35% 35%;
}
.pikurn-lab .pk-urn::before {
  content: '';
  position: absolute;
  left: 15%;
  right: 15%;
  height: 1rem;
  top: -0.5rem;
  border: 2px solid var(--wow-border);
  border-radius: 50%;
  background: var(--wow-back-alt);
}
.pikurn-lab .pk-urn .pk-token {
  width: 2rem;
  height: 2rem;
}
.pikurn-lab .pk-wager {
  font-size: clamp(1.3rem, 3vw, 1.8rem);
  line-height: 1.2;
  margin: 0.3rem 0;
  font-weight: bold;
}
.pikurn-lab .pk-draws {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}
.pikurn-lab .pk-draws button {
  font-size: 0.76rem;
  flex: 1;
  white-space: nowrap;
}
.pikurn-lab .pk-reset {
  min-height: 40px;
  font-size: 0.76rem;
}
.pikurn-lab .pk-status {
  border-top: 1px solid var(--wow-border);
  padding-top: 0.75rem;
  font-size: 0.8rem;
  min-height: 2.2rem;
}
.pikurn-lab .pk-history {
  margin: 0;
  padding-left: 1.5rem;
  font-size: 0.76rem;
}
.pikurn-lab .pk-prediction {
  margin: 0;
  padding: 0;
}
.pikurn-lab .pk-metrics {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.6rem;
  margin: 0.7rem 0;
}
.pikurn-lab .pk-metrics dt {
  font-size: 0.76rem;
}
.pikurn-lab .pk-metrics dd {
  margin: 0.3rem 0 0;
  font-weight: bold;
  font-size: clamp(1.05rem, 2.3vw, 1.5rem);
}
.pikurn-lab .pk-distribution {
  margin: 0;
}
.pikurn-lab figcaption {
  margin-bottom: 0.8rem;
}
.pikurn-lab .pk-bar-row {
  display: grid;
  grid-template-columns: 8.5em minmax(0, 1fr) 4.2em;
  gap: 0.6rem;
  align-items: center;
  font-size: 0.73rem;
  margin: 0.45rem 0;
}
.pikurn-lab .pk-bar-track {
  height: 1.2rem;
  border-left: 1px solid var(--wow-border);
  background: var(--wow-back);
}
.pikurn-lab .pk-bar {
  height: 100%;
  background: var(--wow-text);
  min-width: 1px;
}
.pikurn-lab .pk-bar-probability {
  text-align: right;
}
.pikurn-lab details {
  border-top: 1px solid var(--wow-border);
  padding: 0.2rem 0;
}
.pikurn-lab summary {
  cursor: pointer;
  line-height: 1.5;
  min-height: 40px;
  padding: 0.5rem 0;
}
.pikurn-lab summary .pk-small {
  display: inline;
}
.pikurn-lab .pk-tree {
  font-size: 0.75rem;
  overflow-wrap: anywhere;
}
.pikurn-lab .pk-tree ul {
  list-style: none;
  padding-left: 1.1rem;
  margin: 0.45rem 0 0.7rem 0.25rem;
  border-left: 1px solid var(--wow-border);
}
.pikurn-lab .pk-tree li {
  position: relative;
  margin: 0.65rem 0;
}
.pikurn-lab .pk-tree li::before {
  content: '';
  position: absolute;
  left: -1.1rem;
  top: 0.7em;
  width: 0.7rem;
  border-top: 1px solid var(--wow-border);
}
.pikurn-lab .pk-tree-node {
  display: inline-flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.35rem;
}
.pikurn-lab .pk-tree-result {
  font-weight: bold;
}
.pikurn-lab .pk-table-scroll {
  width: fit-content;
  max-width: 100%;
  max-height: 22rem;
  overflow: auto;
  margin: 1rem auto 0;
}
.pikurn-lab table {
  display: table;
  font-size: 0.73rem;
  width: max-content;
  margin: 0 auto;
  border-collapse: collapse;
  overflow: visible;
}
.pikurn-lab td,
.pikurn-lab th {
  padding: 0.5rem 0.3rem;
  text-align: right;
  white-space: nowrap;
}
.pikurn-lab td:first-child,
.pikurn-lab th:first-child {
  text-align: left;
}
.pikurn-lab .pk-table-scroll thead th {
  position: sticky;
  top: 0;
  z-index: 1;
  background: var(--wow-back-alt);
}
.pikurn-lab [hidden] {
  display: none !important;
}

/* Article headers and figures have page-wide treatments; the lab owns these layouts. */
.pikurn-lab .pk-heading {
  background: transparent;
  border: 0;
  padding: 0;
}
.pikurn-lab .pk-distribution {
  display: block;
  width: 100%;
  text-align: left;
}
.pikurn-lab .pk-distribution > [data-distribution] {
  width: 100%;
}
.pikurn-lab .pk-distribution figcaption {
  text-align: left;
}

.pikurn-lab .pk-results {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.15fr);
  gap: 1.5rem;
  margin: 0.8rem 0;
  padding: 1rem 0 0.5rem;
  border-top: 1px solid var(--wow-border);
}
.pikurn-lab .pk-status:has(+ .pk-history:empty) {
  display: none;
}
@media (max-width: 880px) {
  .pikurn-lab .pk-controls {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
  .pikurn-lab .pk-goal {
    grid-column: 1 / -1;
  }
  .pikurn-lab .pk-results {
    grid-template-columns: 1fr;
    gap: 0.7rem;
  }
}
@media (max-width: 540px) {
  .pikurn-lab .pk-controls {
    gap: 0.8rem;
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .pikurn-lab .pk-stage {
    grid-template-columns: 1fr;
    gap: 0.3rem;
  }
  .pikurn-lab .pk-urn {
    min-height: 5.5rem;
    max-width: 10rem;
    margin-top: 0.5rem;
    padding-top: 1.5rem;
  }
  .pikurn-lab .pk-metrics {
    gap: 0.5rem;
  }
  .pikurn-lab .pk-bar-row {
    grid-template-columns: 7.5em minmax(0, 1fr) 4em;
    font-size: 0.68rem;
  }
}