.modular-page #mismatch.challenge-section {
  padding: 30px 0;
}
.modular-page #mismatch .challenge-intro {
  position: static;
  display: block;
  margin-bottom: 20px;
}
.modular-page #mismatch .challenge-intro .section-label {
  margin-bottom: 10px;
  font-size: 11px;
}
.modular-page #mismatch .challenge-intro h2 {
  font-size: clamp(23px, 2.6vw, 28px);
  line-height: 1.25;
  letter-spacing: -0.6px;
  text-wrap: balance;
}
.modular-page #mismatch .challenge-intro .section-summary {
  max-width: 82ch;
  margin-top: 8px;
  font-size: 14px;
  line-height: 1.65;
}
.challenge-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.75fr) minmax(0, 1fr);
  grid-template-areas: "demo challenges";
  gap: 26px;
  align-items: stretch;
}
.challenge-list {
  grid-area: challenges;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  min-width: 0;
  margin: 0;
  padding: 0;
  list-style: none;
}
.challenge-item + .challenge-item {
  margin-top: 16px;
  padding-top: 16px;
  border-top: 1px solid #e2e9e5;
}
.challenge-heading {
  display: flex;
  align-items: center;
  gap: 9px;
  margin-bottom: 8px;
}
.challenge-index {
  display: inline-grid;
  place-items: center;
  flex: 0 0 24px;
  height: 24px;
  border: 1px solid #d2e4d8;
  border-radius: 5px;
  background: #edf6f0;
  color: #397650;
  font: 500 10px/1 var(--display);
}
.challenge-heading h3 {
  font: 600 18px/1.35 var(--display);
  letter-spacing: -0.25px;
}
.challenge-item > p {
  margin: 0;
  color: #53665b;
  font-size: 13px;
  line-height: 1.7;
}
.challenge-chain {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 10px;
}
.challenge-chain-token,
.challenge-chain-end {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 30px;
  padding: 4px 9px;
  border: 1px solid #bfd8c8;
  border-radius: 5px;
  color: #36764e;
  background: #f0f7f2;
  font: 500 16px/1.3 var(--display);
  gap: 5px;
}
.challenge-chain-token b {
  font-size: 11px;
  font-weight: 500;
}
.challenge-chain-arrow {
  color: #6c917b;
  font-size: 14px;
}
.challenge-chain-end {
  border-color: #dce5e0;
  background: #fff;
}
.challenge-chain-end b {
  font-weight: 500;
}
.challenge-chain-end > span {
  font: 400 11px/1.4 var(--body);
}
.challenge-prefix {
  display: grid;
  grid-template-columns: 42px repeat(3, minmax(0, 1fr));
  gap: 5px 7px;
  align-items: center;
  margin-top: 10px;
}
.challenge-row-label {
  color: #5a6e7c;
  font-size: 11px;
}
.challenge-token,
.challenge-signal {
  display: flex;
  align-items: center;
  justify-content: center;
  min-width: 0;
  height: 29px;
  gap: 5px;
  border: 1px solid #c4d5e8;
  border-radius: 4px;
  color: #3c6f9d;
  background: #eff5fc;
  font: 500 16px/1.2 var(--display);
}
.challenge-token b {
  font-size: 12px;
  font-weight: 500;
}
.challenge-token.accepted {
  color: #36764e;
  border-color: #bad6c4;
  background: #edf6f0;
}
.challenge-token.rejected {
  color: #935d33;
  border-color: #d6b497;
  background: #fff3e9;
}
.challenge-token.discarded {
  color: #67798a;
  border-color: #ccd7df;
  border-style: dashed;
  background: #f8fafb;
}
.challenge-suffix {
  padding-left: 7px;
  border-left: 1px dashed #bd9879;
}
.challenge-item > .challenge-diagram-note {
  margin-top: 8px;
  color: #7b634f;
  font-size: 11px;
  line-height: 1.65;
}
.challenge-demo {
  grid-area: demo;
  display: flex;
  min-width: 0;
}
.challenge-demo-label {
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 0;
  padding: 6px 12px;
  border-bottom: 1px solid #e4e9e7;
  color: #586f62;
  font-size: 11px;
  line-height: 1.6;
}
.challenge-demo-label > span {
  color: #397650;
  font-weight: 600;
}
.modular-page #mismatch.challenge-section .rt-figure {
  display: flex;
  flex-direction: column;
  flex: 1 1 auto;
  max-width: none;
  margin: 0;
}
.modular-page #mismatch.challenge-section .rt-canvas {
  flex: 1 0 auto;
}
.modular-page #mismatch.challenge-section .rt-controls,
.modular-page #mismatch.challenge-section .rt-timeline,
.modular-page #mismatch.challenge-section #rt-figure-caption,
.modular-page #mismatch.challenge-section .challenge-demo-label {
  flex-shrink: 0;
}
.modular-page #mismatch.challenge-section .rt-controls {
  flex-wrap: wrap;
  padding: 10px 12px 8px;
  gap: 8px 12px;
}
.modular-page #mismatch.challenge-section #rt-caption {
  flex: 1 1 240px;
  font-size: 12px;
  line-height: 1.6;
}
.modular-page #mismatch.challenge-section #rt-figure-caption {
  justify-content: flex-start;
  gap: 6px 12px;
  padding: 8px 12px;
  font-size: 10px;
}
.reconstruction-results {
  margin-top: 18px;
  overflow-x: auto;
}
.reconstruction-results-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
}
.reconstruction-results-table caption {
  padding-bottom: 12px;
  text-align: left;
  color: #617269;
  font-size: 12px;
}
.reconstruction-results-table th,
.reconstruction-results-table td {
  padding: 13px 16px;
  border-bottom: 1px solid #e2e9e5;
  text-align: left;
}
.reconstruction-results-table thead th {
  color: #5b6e61;
  background: #f5f8f6;
  font-size: 12px;
  font-weight: 500;
}
.reconstruction-results-table td {
  font-variant-numeric: tabular-nums;
}
.reconstruction-result {
  background: #f0f8f3;
}

@media (max-width: 900px) {
  .challenge-layout {
    grid-template-columns: minmax(0, 1fr);
    grid-template-areas: "challenges" "demo";
    gap: 24px;
    align-items: start;
  }
  .challenge-list,
  .challenge-demo,
  .modular-page #mismatch.challenge-section .rt-figure {
    display: block;
  }
  .challenge-list,
  .challenge-demo {
    width: 100%;
    max-width: 700px;
    margin-inline: auto;
  }
  .challenge-chain,
  .challenge-prefix {
    max-width: 340px;
  }
}
@media (max-width: 700px) {
  .modular-page #mismatch.challenge-section #rt-caption {
    flex: 0 1 auto;
  }
}
@media (max-width: 560px) {
  .modular-page #mismatch.challenge-section {
    padding: 24px 0;
  }
  .modular-page #mismatch .challenge-intro {
    margin-bottom: 16px;
  }
  .challenge-item + .challenge-item {
    padding-top: 14px;
    margin-top: 14px;
  }
  .modular-page #mismatch.challenge-section .rt-figure {
    max-width: 440px;
    margin-inline: auto;
  }
  .reconstruction-results-table {
    font-size: 13px;
  }
  .reconstruction-results-table th,
  .reconstruction-results-table td {
    padding: 11px 8px;
  }
}
@media print {
  .challenge-layout {
    grid-template-columns: minmax(0, 1fr);
    grid-template-areas: "challenges" "demo";
  }
  .challenge-item {
    break-inside: avoid;
  }
}