/* Khối lộ ruột cẩm nang + khối tác giả — dùng lại token của styles.css. */

.guide-preview-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 18px;
  margin: 0 0 26px;
  padding: 0;
  list-style: none;
}

.guide-preview-item {
  display: grid;
  gap: 12px;
}

.guide-preview-item a {
  display: block;
  overflow: hidden;
  border: 1px solid var(--premium-line);
  border-radius: var(--radius);
  background: var(--paper);
  transition: border-color var(--motion-base) var(--motion-ease),
    transform var(--motion-base) var(--motion-ease);
}

.guide-preview-item a:hover {
  border-color: var(--premium-gold);
  transform: translateY(-3px);
}

.guide-preview-item a:focus-visible {
  outline: 3px solid var(--premium-gold);
  outline-offset: 3px;
}

.guide-preview-item img {
  display: block;
  width: 100%;
  height: auto;
}

.guide-preview-item p {
  margin: 0;
  font-size: 0.92rem;
  line-height: 1.6;
  color: var(--premium-muted);
}

.guide-preview-toc {
  margin-bottom: 22px;
}

.guide-preview-toc ol {
  display: grid;
  gap: 12px;
  margin: 0;
  padding-left: 22px;
  font-size: 0.95rem;
  line-height: 1.7;
  color: var(--premium-muted);
}

.guide-preview-toc strong {
  color: var(--premium-gold);
}

/* Nói thẳng điều bất lợi — viết cho dễ đọc, không giấu xuống chân trang. */
.guide-preview-limit,
.author-note-limit {
  margin: 0;
  padding: 16px 18px;
  border-left: 3px solid var(--premium-line);
  border-radius: 0 10px 10px 0;
  background: var(--premium-surface);
  font-size: 0.92rem;
  line-height: 1.7;
  color: var(--premium-muted);
}

.author-note-card {
  display: grid;
  gap: 16px;
  padding: clamp(22px, 3vw, 36px);
  border: 1px solid var(--premium-line);
  border-radius: var(--radius);
  background: var(--paper);
  box-shadow: var(--premium-shadow-sm);
}

.author-note-card h2 {
  margin: 0;
  font-size: clamp(1.3rem, 3vw, 1.8rem);
  color: var(--premium-950);
}

.author-note-lead {
  margin: 0;
  font-size: 0.98rem;
  line-height: 1.75;
  color: var(--premium-ink);
}

.author-note-facts {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 16px;
  margin: 0;
}

.author-note-facts dt {
  margin-bottom: 6px;
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--premium-gold);
}

.author-note-facts dd {
  margin: 0;
  font-size: 1rem;
  line-height: 1.6;
  color: var(--premium-950);
}

@media (prefers-reduced-motion: reduce) {
  .guide-preview-item a {
    transition: none;
  }

  .guide-preview-item a:hover {
    transform: none;
  }
}