/* Web version: card-based layout for AI News section. */
html {
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
}

body {
  margin: 0;
  overflow-wrap: anywhere;
}

:root {
  --ai-news-bg: #fafafa;
  --ai-news-text: #111;
  --ai-news-muted: #555;
  --ai-news-border: #e0e0e0;
  --ai-news-card-bg: #fff;
  --ai-news-card-shadow: 0 1px 3px rgba(0, 0, 0, 0.06);
  --ai-news-card-shadow-hover: 0 4px 12px rgba(0, 0, 0, 0.08);
  --ai-news-card-radius: 10px;
}

.ai-news-shell {
  max-width: 1100px;
  margin: 0 auto;
  padding: clamp(1.5rem, 4vw, 3rem) max(1rem, env(safe-area-inset-right, 0px)) clamp(1.5rem, 4vw, 3rem)
    max(1rem, env(safe-area-inset-left, 0px));
  font-family: "DM Sans", system-ui, sans-serif;
  background: var(--ai-news-bg);
  color: var(--ai-news-text);
}

.ai-news-nav-back {
  margin: 0 0 1rem;
}

.ai-news-back-link {
  display: inline-flex;
  align-items: center;
  gap: 0.35em;
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--ai-news-muted);
  text-decoration: none;
  text-underline-offset: 0.18em;
}

.ai-news-back-link:hover {
  color: var(--ai-news-text);
  text-decoration: underline;
}

.ai-news-back-link:focus-visible {
  outline: 2px solid var(--ai-news-text);
  outline-offset: 3px;
  border-radius: 2px;
}

.ai-news-masthead {
  margin-bottom: 2rem;
}

.ai-news-title {
  font-family: "Fraunces", Georgia, serif;
  font-size: clamp(1.75rem, 4vw, 2.25rem);
  font-weight: 700;
  margin: 0 0 0.25em;
}

.ai-news-date {
  font-size: 1rem;
  color: var(--ai-news-muted);
  margin: 0;
}

.ai-news-editors-note,
.ai-news-front-summary {
  margin-bottom: 1.5rem;
}

.ai-news-editors-note h2,
.ai-news-section-title {
  font-size: 0.9rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--ai-news-muted);
  margin: 0 0 1rem;
}

.ai-news-lead {
  font-size: 1.1rem;
  line-height: 1.55;
  margin: 0;
}

/* Section: section title + responsive card grid */
.ai-news-section {
  margin-bottom: 2.5rem;
}

.ai-news-section-title {
  margin-bottom: 1rem;
  padding-bottom: 0.35rem;
  border-bottom: 1px solid var(--ai-news-border);
}

.ai-news-cards {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
  margin-top: 0.5rem;
  min-width: 0;
}

@media (min-width: 600px) {
  .ai-news-cards {
    grid-template-columns: repeat(2, 1fr);
    gap: 1.6rem;
  }
}

@media (min-width: 900px) {
  .ai-news-cards {
    grid-template-columns: repeat(3, 1fr);
    gap: 1.75rem;
  }
}

/* Card: entire card is a clickable link */
.ai-news-card {
  display: block;
  text-decoration: none;
  color: inherit;
  background: var(--ai-news-card-bg);
  border: 1px solid var(--ai-news-border);
  border-radius: var(--ai-news-card-radius);
  box-shadow: var(--ai-news-card-shadow);
  transition: box-shadow 0.2s ease, border-color 0.2s ease;
  min-height: 0;
  min-width: 0;
}

.ai-news-card:hover {
  box-shadow: var(--ai-news-card-shadow-hover);
  border-color: rgba(0, 0, 0, 0.12);
}

.ai-news-card:focus-visible {
  outline: 2px solid var(--ai-news-text);
  outline-offset: 2px;
}

.ai-news-card-inner {
  padding: 1.2rem 1.3rem 1.25rem;
  display: flex;
  flex-direction: column;
  height: 100%;
  min-height: 0;
  box-sizing: border-box;
}

/* Full title and summary visible — no line-clamp; cards grow with content */
.ai-news-card-title {
  font-family: "Fraunces", Georgia, serif;
  font-size: 1rem;
  font-weight: 600;
  line-height: 1.35;
  margin: 0 0 0.35em;
  color: var(--ai-news-text);
}

.ai-news-card-meta {
  font-size: 0.75rem;
  color: var(--ai-news-muted);
  margin: 0 0 0.5em;
  flex-shrink: 0;
}

.ai-news-card-summary {
  font-size: 0.9rem;
  line-height: 1.55;
  color: var(--ai-news-text);
  margin: 0;
}

.ai-news-opinion h2 {
  font-size: 0.9rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--ai-news-muted);
  margin: 0 0 0.75em;
}

.ai-news-footer {
  margin-top: 3rem;
  padding-top: 1rem;
  font-size: 0.85rem;
  color: var(--ai-news-muted);
}

/* Archive page */
.ai-news-archive-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.ai-news-archive-list li {
  padding: 0.5rem 0;
  border-bottom: 1px solid var(--ai-news-border);
}

.ai-news-archive-list a {
  color: var(--ai-news-text);
  text-decoration: none;
}

.ai-news-archive-list a:hover {
  text-decoration: underline;
}