.prompt-index {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem 2rem;
  margin-top: 4rem;
}

.prompt-index a {
  color: var(--world-faint);
  font-family: var(--font-mono);
  font-size: 0.58rem;
  letter-spacing: 0.11em;
  text-decoration: none;
  text-transform: uppercase;
}

.prompt-index a:hover {
  color: var(--world-ink);
}

.prompt-system {
  display: grid;
  gap: clamp(3.5rem, 8vw, 7rem);
}

.prompt-system__intro {
  display: grid;
  grid-template-columns: minmax(12rem, 0.7fr) minmax(18rem, 1.3fr);
  gap: clamp(2rem, 7vw, 8rem);
  align-items: start;
}

.prompt-system__intro .section-label {
  grid-column: 1 / -1;
  margin-bottom: 0;
}

.prompt-system__intro .section-heading,
.prompt-system__intro .section-copy {
  margin: 0;
}

.prompt-workbench {
  display: grid;
  grid-template-columns: minmax(0, 0.85fr) minmax(20rem, 1.15fr);
  border-top: 1px solid var(--hairline);
  border-bottom: 1px solid var(--hairline);
}

.prompt-fields,
.prompt-output {
  padding: clamp(1.5rem, 4vw, 3rem);
}

.prompt-fields {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem 1.5rem;
  border-right: 1px solid var(--hairline);
}

.field--wide {
  grid-column: 1 / -1;
}

.prompt-axis {
  display: grid;
  gap: 0.8rem;
}

.prompt-axis__label-row {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  color: var(--world-faint);
  font-family: var(--font-mono);
  font-size: 0.6rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.prompt-axis__label-row output {
  color: var(--world-ink);
  font-variant-numeric: tabular-nums;
}

.prompt-axis input {
  width: 100%;
  accent-color: var(--world-accent);
}

.prompt-output {
  min-width: 0;
  background: rgb(25 26 28 / 3%);
}

.prompt-output--standalone {
  padding: clamp(1.5rem, 4vw, 3rem);
  border-top: 1px solid var(--hairline);
  border-bottom: 1px solid var(--hairline);
}

.prompt-output__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1rem;
  color: var(--world-faint);
  font-family: var(--font-mono);
  font-size: 0.58rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.prompt-output__head p {
  margin: 0;
}

.copy-prompt,
.symbolic-presets button {
  padding: 0.45rem 0;
  border: 0;
  border-bottom: 1px solid var(--hairline);
  color: var(--world-muted);
  background: none;
  font: inherit;
  cursor: pointer;
}

.copy-prompt:hover,
.symbolic-presets button:hover,
.symbolic-presets button[aria-pressed="true"] {
  color: var(--world-ink);
  border-bottom-color: var(--world-accent);
}

.prompt-output textarea {
  width: 100%;
  min-height: 34rem;
  padding: 0;
  border: 0;
  color: var(--world-ink);
  background: transparent;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  line-height: 1.75;
  resize: vertical;
}

.prompt-output--standalone textarea {
  min-height: 29rem;
}

.prompt-output textarea:focus {
  outline: 1px solid var(--world-accent);
  outline-offset: 0.5rem;
}

.prompt-checks {
  display: grid;
  grid-template-columns: minmax(12rem, 0.6fr) minmax(18rem, 1.4fr);
  gap: clamp(2rem, 7vw, 8rem);
  padding-top: 2rem;
}

.prompt-checks h3 {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 3vw, 2.7rem);
  font-weight: 400;
  letter-spacing: -0.03em;
}

.prompt-checks ul,
.rule-ledger {
  padding: 0;
  margin: 0;
  list-style: none;
}

.prompt-checks li,
.rule-ledger li {
  padding: 1.2rem 0;
  border-top: 1px solid var(--hairline);
  color: var(--world-muted);
  font-family: var(--font-serif);
  line-height: 1.7;
}

.language-comparison {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  border-top: 1px solid var(--hairline);
  border-left: 1px solid var(--hairline);
}

.language-comparison > div {
  min-height: 15rem;
  padding: clamp(1.5rem, 4vw, 3rem);
  border-right: 1px solid var(--hairline);
  border-bottom: 1px solid var(--hairline);
}

.language-comparison p:not(.entry-meta) {
  margin: 2rem 0 0;
  font-family: var(--font-academic);
  font-size: clamp(1rem, 1.5vw, 1.2rem);
  line-height: 1.75;
}

.rule-ledger {
  max-width: 52rem;
  margin-left: auto;
}

.rule-ledger li {
  display: grid;
  grid-template-columns: 3rem 1fr;
  gap: 1.5rem;
}

.rule-ledger span {
  color: var(--world-faint);
  font-family: var(--font-mono);
  font-size: 0.6rem;
}

.rule-ledger p {
  margin: 0;
}

.symbolic-presets {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem 2rem;
}

.copy-status {
  position: fixed;
  z-index: 200;
  right: 1rem;
  bottom: 1rem;
  padding: 0.7rem 0.9rem;
  color: var(--color-moon);
  background: var(--color-void);
  font-size: 0.7rem;
  opacity: 0;
  pointer-events: none;
  transform: translateY(0.5rem);
  transition: opacity var(--motion-normal) ease, transform var(--motion-normal) ease;
}

.copy-status.is-visible {
  opacity: 1;
  transform: none;
}

@media (max-width: 52rem) {
  .prompt-system__intro,
  .prompt-checks,
  .prompt-workbench {
    grid-template-columns: 1fr;
  }

  .prompt-fields {
    border-right: 0;
    border-bottom: 1px solid var(--hairline);
  }

  .language-comparison {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 34rem) {
  .prompt-fields {
    grid-template-columns: 1fr;
  }

  .field--wide {
    grid-column: auto;
  }
}

@media (prefers-reduced-motion: reduce) {
  .copy-status {
    transition: none;
  }
}