.post-content .radix-comparison {
  width: 100%;
  margin: 2rem 0;
  padding: 20px;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: transparent;
}

.post-content .radix-comparison figcaption {
  margin: 0 0 20px;
  padding: 0;
  color: var(--secondary);
  font-size: 14px;
  font-weight: 400;
  text-align: left;
}

.post-content .radix-comparison dl {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 20px 8px;
  margin: 0;
  color: var(--secondary);
  font-size: 16px;
  line-height: 1.7;
  text-align: center;
}

.post-content .radix-comparison dt,
.post-content .radix-comparison dd {
  width: auto;
  margin: 0;
  padding: 0;
  font-weight: 400;
}

.post-content .radix-comparison .radix-number {
  margin: 4px 0;
  color: var(--primary);
  font-family: var(--zine-mono);
  font-size: 26px;
  font-weight: 500;
}

.post-content .binary-builder .binary-hint,
.post-content .binary-builder .binary-key {
  margin: 0 0 16px;
  color: var(--secondary);
  font-size: 14px;
  text-align: left;
}

.binary-bits {
  display: grid;
  grid-template-columns: repeat(8, minmax(0, 1fr));
  gap: 8px;
}

.binary-bits button {
  display: grid;
  gap: 4px;
  min-width: 0;
  min-height: 80px;
  padding: 10px 0;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--secondary);
  background: transparent;
  font-family: var(--zine-mono);
  font-size: 14px;
  line-height: 1.7;
  text-align: center;
}

.binary-bits strong {
  font-size: 26px;
  font-weight: 500;
}

.binary-bits button[aria-pressed="true"] {
  border-color: var(--accent);
  color: var(--accent);
  background: var(--accent-soft);
}

.binary-bits button:hover {
  border-color: var(--accent);
}

.binary-bits button:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.post-content .binary-builder .binary-key {
  margin: 12px 0 24px;
  text-align: center;
}

.post-content .radix-comparison .binary-results {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  margin-bottom: 16px;
  padding-top: 20px;
  border-top: 1px solid var(--border);
  text-align: left;
}

.binary-total {
  color: var(--secondary);
  font-size: 16px;
  text-align: left;
}

.radix-grouping {
  line-height: 1.7;
  text-align: left;
}

.radix-group-row {
  display: flex;
  align-items: center;
  gap: 16px;
}

.radix-group-parts {
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: minmax(0, 1fr);
  flex: 1;
  min-width: 0;
  gap: 8px;
}

.radix-chunk {
  display: grid;
  gap: 4px;
  text-align: center;
  white-space: nowrap;
}

.radix-chunk strong,
.radix-group-result strong {
  color: var(--primary);
  font-family: var(--zine-mono);
  font-size: 26px;
  font-weight: 500;
}

.radix-chunk > span,
.radix-group-result > span {
  color: var(--secondary);
  font-size: 16px;
}

.radix-group-result {
  display: flex;
  align-items: center;
  gap: 8px;
  white-space: nowrap;
}

.post-content .radix-grouping .radix-group-label {
  margin: 28px 0 20px;
  padding-top: 24px;
  border-top: 1px solid var(--border);
  font-size: 14px;
}

.post-content .radix-grouping .radix-group-note {
  margin: 20px 0 0;
  color: var(--secondary);
  font-size: 14px;
}

.sign-examples {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 24px;
}

.sign-value {
  margin-bottom: 8px;
  color: var(--secondary);
  font-size: 16px;
  text-align: left;
}

.sign-word {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 8px;
  color: var(--primary);
  font-family: var(--zine-mono);
  font-size: 26px;
  font-weight: 500;
  line-height: 1.7;
  text-align: center;
}

.sign-word > span {
  padding: 12px 0;
}

.sign-bit {
  border-radius: var(--radius);
  color: var(--accent);
  background: var(--accent-soft);
}

.post-content .sign-magnitude figcaption {
  margin: 12px 0 0;
}

.carry-panels {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.carry-panel {
  min-width: 0;
  padding: 0 16px;
  text-align: center;
}

.carry-panel + .carry-panel {
  border-inline-start: 1px solid var(--border);
}

.carry-panel-label {
  margin-bottom: 12px;
  color: var(--secondary);
  font-size: 14px;
  line-height: 1.5;
}

.carry-panel-body {
  display: grid;
  min-height: 128px;
  align-content: center;
  justify-items: center;
  gap: 8px;
}

.carry-sum,
.carry-return-sum {
  font-family: var(--zine-mono);
  font-weight: 500;
  font-variant-numeric: tabular-nums;
  line-height: 1.5;
  white-space: nowrap;
}

.carry-sum {
  font-size: 22px;
}

.carry-sum-row {
  display: grid;
  grid-template-columns: 1ch 1ch 4ch;
  gap: 4px;
}

.carry-sum-total {
  margin-top: 4px;
  padding-top: 4px;
  border-top: 1px solid var(--border);
}

.carry-return-sum {
  font-size: 16px;
}

.carry-out {
  color: var(--accent);
}

.carry-loop {
  display: block;
  width: min(100%, 220px);
  height: auto;
}

.carry-loop .th {
  fill: var(--primary);
  font-family: var(--zine-mono);
  font-size: 26px;
  font-weight: 500;
}

.carry-loop .carry-out {
  fill: var(--accent);
}

.carry-loop path {
  fill: none;
  stroke: var(--accent);
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.post-content .carry-example figcaption {
  margin: 12px 0 0;
  font-size: 13px;
  text-align: center;
}

@media (max-width: 600px) {
  .post-content .radix-comparison dl {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .binary-bits {
    gap: 4px;
  }

  .binary-bits button {
    font-size: 11px;
  }

  .binary-bits strong {
    font-size: 22px;
  }

  .radix-group-row {
    flex-wrap: wrap;
    gap: 12px;
  }

  .radix-group-parts {
    flex-basis: 100%;
  }

  .radix-group-result {
    width: 100%;
    justify-content: flex-end;
  }

  .sign-examples {
    grid-template-columns: minmax(0, 1fr);
  }

  .carry-panels {
    grid-template-columns: minmax(0, 1fr);
    gap: 16px;
  }

  .carry-panel {
    padding: 0;
  }

  .carry-panel + .carry-panel {
    padding-top: 16px;
    border-inline-start: 0;
    border-top: 1px solid var(--border);
  }
}