.chunk-shift {
  --chunk-surface: #f8fafc;
  --chunk-border: #e2e8f0;
  --chunk-ink: #383a43;
  --chunk-muted: #64748b;
  --chunk-lavender: #e3fafc;
  --chunk-mint: #e6fcf5;
  --chunk-peach: #fff9db;
  --chunk-blue: #fff0f6;
  --chunk-pink: #f3f0ff;
  background: var(--chunk-surface);
  border: 1px solid var(--chunk-border);
  border-radius: 12px;
  box-sizing: border-box;
  color: var(--chunk-ink);
  margin: 1.5rem 0;
  padding: 1rem 1.1rem 0.9rem;
}

.chunk-shift__header {
  align-items: center;
  color: var(--chunk-muted);
  display: flex;
  font-size: 0.72em;
  font-weight: 600;
  justify-content: space-between;
  letter-spacing: 0.02em;
  margin-bottom: 1rem;
}

.chunk-shift__comparison {
  display: grid;
  gap: 0.85rem;
}

.chunk-shift__row {
  align-items: center;
  display: grid;
  gap: 0.8rem;
  grid-template-columns: 5.5rem minmax(0, 1fr);
}

.chunk-shift__label {
  color: var(--chunk-muted);
  font-size: 0.72em;
  font-weight: 600;
  white-space: nowrap;
}

.chunk-shift__chunks {
  display: flex;
  gap: 4px;
  min-width: 0;
}

.chunk-shift__chunk {
  border: 1px solid #6b7280;
  border-radius: 5px;
  box-sizing: border-box;
  flex: 1 1 0;
  font-family: ui-monospace, SFMono-Regular, Consolas, "Liberation Mono", Menlo, monospace;
  font-size: 0.82em;
  font-weight: 650;
  letter-spacing: 0.08em;
  min-width: 0;
  padding: 0.48rem 0.25rem;
  text-align: center;
}

.chunk-shift__chunk strong {
  color: #be123c;
  font-weight: 800;
}

.chunk-shift__header b {
  color: var(--chunk-ink);
  font-family: ui-monospace, SFMono-Regular, Consolas, "Liberation Mono", Menlo, monospace;
}

.chunk-shift__chunks--content .chunk-shift__chunk {
  flex: 0 0 auto;
  padding-inline: 0.6rem;
}

.chunk-shift__boundary {
  border-bottom: 2px solid currentColor;
  font-weight: 800;
}

.chunk-shift__chunk--lavender { background: var(--chunk-lavender); }
.chunk-shift__chunk--mint { background: var(--chunk-mint); }
.chunk-shift__chunk--peach { background: var(--chunk-peach); }
.chunk-shift__chunk--blue { background: var(--chunk-blue); }
.chunk-shift__chunk--pink { background: var(--chunk-pink); }

.resync-viz__comparison {
  display: grid;
  gap: 0.7rem;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.resync-viz__case {
  border: 1px solid #6b7280;
  border-radius: 8px;
  color: #383a43;
  padding: 0.8rem;
}

.resync-viz__case--short { background: var(--chunk-pink); }
.resync-viz__case--wide { background: var(--chunk-mint); }

.resync-viz__case-header {
  align-items: center;
  display: flex;
  font-size: 0.72em;
  font-weight: 700;
  justify-content: space-between;
}

.resync-viz__case-header code {
  background: rgba(255, 255, 255, 0.62);
  color: #383a43;
  font-size: 0.92em;
  padding: 0.18rem 0.3rem;
}

.resync-viz__bits {
  display: grid;
  font-family: ui-monospace, SFMono-Regular, Consolas, "Liberation Mono", Menlo, monospace;
  font-size: 0.64em;
  gap: 0.18rem;
  margin-top: 0.65rem;
}

.resync-viz__bits span {
  align-items: center;
  display: flex;
  gap: 0.38rem;
  white-space: nowrap;
}

.resync-viz__bits b { color: #383a43; }

.resync-viz__bits em {
  color: #9f1239;
  font-family: inherit;
  font-size: 0.82em;
  font-style: normal;
  font-weight: 800;
  margin-left: auto;
}

.resync-viz__case--wide .resync-viz__bits span:first-child em { color: #64748b; }
.resync-viz__case--wide .resync-viz__bits span:last-child em { color: #166534; }

.resync-viz__axis {
  height: 1rem;
  margin: 0.75rem 0 0 2rem;
  position: relative;
}

.resync-viz__point {
  font: 800 0.6em/1 ui-monospace, SFMono-Regular, Consolas, monospace;
  position: absolute;
  transform: translateX(-50%);
}

.resync-viz__point--p { left: 35%; }
.resync-viz__point--q { left: 76%; }

.resync-viz__versions {
  display: grid;
  gap: 0.65rem;
}

.resync-viz__version {
  align-items: center;
  display: grid;
  font: 700 0.64em/1 ui-monospace, SFMono-Regular, Consolas, monospace;
  gap: 0.5rem;
  grid-template-columns: 1.5rem minmax(0, 1fr);
}

.resync-viz__track {
  background: #6b7280;
  height: 2px;
  position: relative;
}

.resync-viz__track--late {
  background: linear-gradient(to right, transparent 0 46%, #6b7280 46% 100%);
}

.resync-viz__scan-start {
  border-left: 1px dashed #6b7280;
  color: #6b7280;
  font-size: 0.78em;
  font-style: normal;
  font-weight: 600;
  height: 0.7rem;
  left: 46%;
  padding-left: 0.2rem;
  position: absolute;
  top: -0.34rem;
}

.resync-viz__cut {
  background: #be123c;
  border-radius: 2px;
  height: 1.2rem;
  position: absolute;
  top: 50%;
  transform: translate(-50%, -50%);
  width: 3px;
}

.resync-viz__cut--p { left: 35%; }
.resync-viz__cut--q { left: 76%; }
.resync-viz__case--wide .resync-viz__cut { background: #15803d; }

.resync-viz__result {
  color: #9f1239;
  font: 800 0.68em/1.2 ui-monospace, SFMono-Regular, Consolas, monospace;
  margin: 0.85rem 0 0;
  text-align: center;
}

.resync-viz__result span {
  font-family: var(--font-primary);
  font-weight: 650;
  margin-left: 0.3rem;
}

.resync-viz__case--wide .resync-viz__result { color: #166534; }

.normalized-viz__diagram {
  color: #383a43;
  padding: 0.2rem 0.7rem 0.1rem;
}

.normalized-viz__milestones {
  height: 3.2rem;
  margin-right: 1.1rem;
  position: relative;
}

.normalized-viz__milestone {
  align-items: center;
  display: flex;
  flex-direction: column;
  font-size: 0.68em;
  position: absolute;
  transform: translateX(-50%);
}

.normalized-viz__milestone::after {
  border-left: 2px solid #6b7280;
  content: "";
  height: 0.75rem;
  margin-top: 0.2rem;
}

.normalized-viz__milestone b {
  color: var(--chunk-muted);
  font-size: 0.9em;
}

.normalized-viz__milestone em {
  color: var(--chunk-ink);
  font-style: normal;
  font-weight: 800;
  line-height: 1.2;
}

.normalized-viz__milestone--min { align-items: flex-start; left: 0; transform: none; }
.normalized-viz__milestone--min::after { margin-left: 0.2rem; }
.normalized-viz__milestone--normal { left: 62%; }

.normalized-viz__zones {
  display: grid;
  grid-template-columns: 62fr 38fr;
  margin-right: 1.1rem;
  position: relative;
}

.normalized-viz__zones::after {
  border-bottom: 5px solid transparent;
  border-left: 8px solid #6b7280;
  border-top: 5px solid transparent;
  content: "";
  position: absolute;
  right: -1.1rem;
  top: 50%;
  transform: translateY(-50%);
}

.normalized-viz__zone {
  align-items: center;
  border: 1px solid #6b7280;
  display: flex;
  flex-direction: column;
  font-family: ui-monospace, SFMono-Regular, Consolas, "Liberation Mono", Menlo, monospace;
  justify-content: center;
  min-height: 4rem;
  padding: 0.55rem 0.4rem;
}

.normalized-viz__zone--hard {
  background: var(--chunk-peach);
  border-radius: 6px 0 0 6px;
}

.normalized-viz__zone--easy {
  background: var(--chunk-mint);
  border-left: 0;
  border-radius: 0 6px 6px 0;
}

.normalized-viz__zone span {
  font-size: 0.78em;
  font-weight: 800;
}

.normalized-viz__zone small {
  color: #64748b;
  font-family: var(--font-primary);
  font-size: 0.62em;
  font-weight: 650;
  margin-top: 0.16rem;
}

.chunk-shift figcaption {
  color: var(--chunk-muted);
  font-size: 0.72em;
  margin-top: 0.9rem;
  text-align: center;
}

@media (prefers-color-scheme: dark) {
  .chunk-shift {
    --chunk-surface: #17191d;
    --chunk-border: #30343b;
    --chunk-ink: #383a43;
    --chunk-muted: #9ca3af;
    --chunk-lavender: #e3fafc;
    --chunk-mint: #e6fcf5;
    --chunk-peach: #fff9db;
    --chunk-blue: #fff0f6;
    --chunk-pink: #f3f0ff;
  }

  .chunk-shift__chunk strong {
    color: #be123c;
  }
}

:root[data-theme="light"] .chunk-shift {
  --chunk-surface: #f8fafc;
  --chunk-border: #e2e8f0;
  --chunk-ink: #383a43;
  --chunk-muted: #64748b;
  --chunk-lavender: #e3fafc;
  --chunk-mint: #e6fcf5;
  --chunk-peach: #fff9db;
  --chunk-blue: #fff0f6;
  --chunk-pink: #f3f0ff;
}

:root[data-theme="dark"] .chunk-shift {
  --chunk-surface: #17191d;
  --chunk-border: #30343b;
  --chunk-ink: #383a43;
  --chunk-muted: #9ca3af;
  --chunk-lavender: #e3fafc;
  --chunk-mint: #e6fcf5;
  --chunk-peach: #fff9db;
  --chunk-blue: #fff0f6;
  --chunk-pink: #f3f0ff;
}

:root[data-theme="light"] .chunk-shift__chunk strong { color: #be123c; }
:root[data-theme="dark"] .chunk-shift__chunk strong { color: #be123c; }

@media (max-width: 520px) {
  .chunk-shift {
    padding-inline: 0.85rem;
  }

  .chunk-shift__row {
    align-items: stretch;
    gap: 0.4rem;
    grid-template-columns: 1fr;
  }

  .chunk-shift__chunks {
    gap: 3px;
  }

  .chunk-shift__chunk {
    font-size: 0.7em;
    letter-spacing: 0.03em;
    padding-inline: 0.12rem;
  }

  .chunk-shift__chunks--content .chunk-shift__chunk {
    padding-inline: 0.45rem;
  }

  .resync-viz__comparison {
    grid-template-columns: 1fr;
  }

  .normalized-viz__diagram {
    padding-inline: 0.25rem;
  }

  .normalized-viz__milestone--normal { left: 58%; }
  .normalized-viz__zones { grid-template-columns: 58fr 42fr; }

}