/* AI manuscript library. Shared site tokens and navigation stay in site.css. */
.ai-page .page-heading,
.ai-library {
  width: min(100%, 960px);
  max-width: 960px;
  margin-inline: 0;
}

.ai-page .page-heading {
  margin-bottom: 1.25rem;
  text-align: left;
}

.ai-page .page-heading::after {
  left: 0;
  background: var(--accent);
  transform: none;
}

.ai-intro {
  margin-bottom: 24px;
}

.ai-intro p {
  margin-bottom: 0.45rem;
  color: var(--muted);
  font-size: 0.98rem;
}

.ai-intro .ai-subtitle {
  color: var(--ink);
  font-size: clamp(1.3rem, 3vw, 1.65rem);
}

.ai-notice {
  padding: 1rem 1.25rem;
  border: 1px solid var(--line);
  border-left: 3px solid var(--accent);
  border-radius: 0 0 0 0;
  background: #f5f5f5;
}

.ai-notice h2 {
  margin: 0 0 0.4rem;
  color: var(--accent-text);
  font: 650 0.85rem/1.5 var(--font);
}

.ai-notice p {
  margin: 0;
  color: var(--muted);
  font-size: 0.92rem;
  line-height: 1.7;
}

.ai-topics {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin: 24px 0 48px;
}

.ai-topics a {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  min-height: 2.75rem;
  padding: 0.45rem 0.8rem;
  border-bottom: 1px solid var(--line);
  background: #fff;
  font: 550 0.78rem/1.5 var(--font);
  text-decoration: none;
}

.ai-topics a:hover {
  border-color: var(--accent);
  background: var(--accent-light);
}

.ai-topic-count {
  padding-left: 0.65rem;
  border-left: 1px solid var(--line);
  color: var(--accent-text);
  font-variant-numeric: tabular-nums;
}

.ai-group {
  margin-bottom: 48px;
}

.ai-group-heading {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 1rem;
  margin-bottom: 1.15rem;
}

.ai-group-heading h2 {
  margin: 0;
  font-size: clamp(1.25rem, 3vw, 1.5rem);
  line-height: 1.4;
  text-wrap: pretty;
}

.ai-group-count {
  flex-shrink: 0;
  color: var(--accent-text);
  font: 550 0.78rem/1.5 var(--font);
}

.ai-paper-list {
  padding-inline: 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.ai-paper {
  min-width: 0;
  padding-block: 1.6rem;
  overflow-wrap: anywhere;
}

.ai-paper--featured {
  position: relative;
  isolation: isolate;
}

.ai-paper--featured::before {
  content: "";
  position: absolute;
  inset: 0 -0.75rem;
  z-index: -1;
  pointer-events: none;
  background: linear-gradient(to bottom, rgba(212, 175, 55, 0.12), rgba(212, 175, 55, 0.025));
}

.ai-paper + .ai-paper {
  border-top: 1px solid var(--line);
}

.ai-paper h3 {
  margin: 0 0 0.65rem;
  font-family: var(--font);
  font-size: 1.2rem;
  line-height: 1.45;
  text-wrap: pretty;
}

.ai-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.3rem 1.1rem;
  margin: 0 0 0.85rem;
  padding: 0;
  list-style: none;
  color: var(--muted);
  font: 400 0.76rem/1.6 var(--font);
}

.ai-meta time {
  font-variant-numeric: tabular-nums;
}

.ai-review-status {
  color: var(--ink);
  font-weight: 600;
}

.ai-review-pending {
  color: var(--muted);
  font-weight: 400;
}

.ai-abstract {
  margin: 0 0 1rem;
  font-size: 0.98rem;
  line-height: 1.8;
}

.ai-paper-footer {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: start;
  gap: 0.8rem 1.5rem;
}

.ai-disclosure summary {
  padding: 0.6rem 0;
  color: var(--accent-text);
  font: 550 0.8rem/1.6 var(--font);
  cursor: pointer;
  border-radius: 0;
  transition: color 150ms ease;
}

.ai-disclosure summary:is(:hover, :focus-visible) {
  color: var(--feedback);
  background: var(--feedback-light);
}
.ai-disclosure summary:is(:hover, :focus-visible) .ai-models { color: inherit; }

.ai-disclosure summary:focus-visible {
  outline: 2px solid var(--feedback);
  outline-offset: 3px;
}

.ai-models {
  display: block;
  padding-left: 1rem;
  color: var(--muted);
  font-size: 0.72rem;
  font-weight: 400;
}

.ai-disclosure p {
  margin: 0.4rem 0 0;
  padding: 0.2rem 0 0.2rem 1rem;
  border-left: 2px solid var(--line);
  color: var(--muted);
  font-size: 0.9rem;
  line-height: 1.75;
}

.ai-pdf {
  display: inline-flex;
  justify-content: center;
  align-items: center;
  gap: 0.8rem;
  min-height: 2.75rem;
  padding: 0.55rem 0.9rem;
  border: 1px solid var(--line);
  border-radius: 0;
  color: var(--accent-text);
  background: #f5f5f5;
  font: 650 0.8rem/1.5 var(--font);
  text-decoration: none;
}

.ai-pdf:hover {
  color: var(--ink);
  border-color: var(--accent);
  background: var(--accent-light);
}

.ai-date-note {
  color: var(--muted);
  font: 400 0.75rem/1.6 var(--font);
}

.ai-group h2,
.ai-paper {
  scroll-margin-top: 2rem;
}

@media (max-width: 520px) {
  .ai-topics {
    display: grid;
    margin-bottom: 36px;
  }

  .ai-topics a {
    justify-content: space-between;
  }

  .ai-group-heading {
    gap: 0.6rem;
  }

  .ai-paper-footer {
    grid-template-columns: minmax(0, 1fr);
  }

  .ai-pdf {
    justify-self: start;
  }
}

@media print {
  .ai-topics,
  .ai-date-note {
    display: none;
  }

  .ai-paper-list {
    padding: 0;
    border: 0;
  }

  .ai-paper {
    break-inside: avoid;
  }
}