:root {
  --ink: #1b1b1b;
  --muted: #585858;
  --line: #d8d8d8;
  --paper: #ffffff;
  --soft: #f7f7f7;
  --link: #2866b1;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 1rem;
}

body {
  min-height: 100vh;
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: Arial, Helvetica, sans-serif;
}

.prompt-hero {
  padding: 3.2rem 1.25rem 1.25rem;
  text-align: center;
}

.wide-container {
  width: min(100% - 2rem, 1640px);
  max-width: 1640px;
}

.publication-title {
  margin: 0 0 1.1rem;
  color: var(--ink);
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(2.5rem, 7vw, 4.8rem);
  font-weight: 700;
  line-height: 1.04;
  letter-spacing: 0;
}

.demo-section {
  padding-top: 1.1rem;
  padding-bottom: 4rem;
}

.task-directory {
  display: grid;
  gap: 0.65rem;
  width: auto;
  margin: 0 0 1.25rem;
  border: 1px solid var(--line);
  background: var(--soft);
  padding: 0.9rem;
  position: static;
}

.task-directory-title {
  color: var(--ink);
  font-size: 0.92rem;
  font-weight: 700;
}

.task-directory-links {
  display: grid;
  gap: 0.45rem;
}

.task-directory a {
  color: var(--link);
  text-decoration: none;
  line-height: 1.35;
}

.task-directory a:hover {
  text-decoration: underline;
}

.task-list {
  display: grid;
  gap: 1.6rem;
}

.task-card {
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--paper);
  overflow: visible;
}

.task-card-heading {
  border-bottom: 1px solid var(--line);
  background: var(--soft);
  padding: 1rem 1.15rem;
  position: sticky;
  top: 0;
  z-index: 5;
}

.task-card-heading h3 {
  margin: 0 0 0.35rem;
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(1.35rem, 2vw, 1.9rem);
  font-weight: 700;
  line-height: 1.2;
}

.task-card-heading p {
  margin: 0;
  color: var(--muted);
  font-size: 0.98rem;
  line-height: 1.5;
}

.demo-cases {
  display: grid;
  padding: 0;
  background: var(--paper);
}

.case-block {
  background: var(--paper);
}

.case-block + .case-block {
  border-top: 2px solid var(--line);
}

.case-script {
  padding: 0.9rem 1rem;
  background: var(--paper);
}

.case-section-title,
.audio-card-title {
  margin-bottom: 0.45rem;
  color: var(--ink);
  font-size: 0.86rem;
  font-weight: 700;
}

.audio-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 0.7rem;
  margin: 0 1rem;
  border-top: 1px solid var(--line);
  padding: 0.9rem 0 1rem;
}

.audio-card {
  display: grid;
  align-content: center;
  min-height: 6.2rem;
  padding: 0;
  background: var(--paper);
}

.audio-card-content {
  width: 100%;
}

.script-cell {
  color: #202020;
  font-size: 0.92rem;
  line-height: 1.5;
}

.script-cell p {
  margin: 0 0 0.55rem;
}

.script-cell p:last-child {
  margin-bottom: 0;
}

.context-cue {
  display: inline;
  margin-left: 0.35rem;
  color: var(--muted);
  font-size: 0.84em;
  font-weight: 700;
}

.context-cue::before {
  content: "(";
}

.context-cue::after {
  content: ")";
}

.variant-context {
  color: var(--muted);
  font-size: 0.88rem;
}

.paralinguistic-cue {
  font-style: italic;
  font-weight: 700;
}

.reference-cell {
  display: grid;
  gap: 0.55rem;
}

.reference-cell span {
  display: block;
  margin-bottom: 0.3rem;
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 700;
}

.variant-audio-list {
  display: grid;
  gap: 0.6rem;
}

.variant-audio-row span {
  display: block;
  margin-bottom: 0.28rem;
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 700;
}

audio {
  display: block;
  width: 100%;
  min-width: 0;
}

.loading {
  margin: 0;
  padding: 1rem;
  color: var(--muted);
}

@media (max-width: 900px) {
  .prompt-hero {
    padding-top: 2.75rem;
  }

  .wide-container {
    width: min(100% - 1rem, 1640px);
  }

  .task-directory {
    width: auto;
  }

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

}