.pw-controls {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem 1rem;
  align-items: end;
  margin-bottom: 0.85rem;
}

.pw-field {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}
.pw-field label {
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
.pw-field select,
.pw-field input {
  font-family: var(--mono);
  font-size: 0.9rem;
  padding: 0.4rem 0.55rem;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
  color: var(--ink);
  min-width: 5.5rem;
}

.code-block {
  font-family: var(--mono);
  font-size: 0.82rem;
  line-height: 1.45;
  margin: 0;
  padding: 0.85rem 1rem;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--surface2);
  overflow: auto;
  white-space: pre;
}

.bus-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  margin: 0.75rem 0;
}
.bus-chip {
  font-family: var(--mono);
  font-size: 0.85rem;
  padding: 0.45rem 0.65rem;
  border-radius: 8px;
  border: 1px solid var(--line);
  background: var(--surface);
}
.bus-chip strong {
  color: var(--accent);
}

.pw-meta {
  margin: 0.45rem 0 0;
  font-size: 0.88rem;
  color: var(--muted);
}

.param-stage {
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 1rem;
  background:
    linear-gradient(160deg, color-mix(in srgb, var(--accent) 6%, var(--surface)), var(--surface) 55%);
  margin-bottom: 0.85rem;
}

.quiz-choices {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  margin: 0.5rem 0;
}
.quiz-choices label {
  display: flex;
  gap: 0.5rem;
  align-items: flex-start;
  font-family: var(--mono);
  font-size: 0.88rem;
  padding: 0.45rem 0.55rem;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
  cursor: pointer;
}
.quiz-choices label:has(input:checked) {
  outline: 2px solid var(--accent);
  outline-offset: -1px;
}

.split-code {
  display: grid;
  gap: 0.75rem;
}
@media (min-width: 860px) {
  .split-code {
    grid-template-columns: 1fr 1fr;
  }
}
.split-code h3 {
  margin: 0 0 0.35rem;
  font-size: 0.88rem;
}