.preview-main {
  padding-block: var(--space-section);
  min-height: 50vh;
}

.preview-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.5rem;
}

.preview-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  text-decoration: none;
  color: var(--color-text);
  display: block;
  transition: border-color var(--duration-normal) var(--ease-out-expo);
}

.preview-card:hover {
  border-color: var(--color-accent);
}

.preview-card h2 {
  margin: 0 0 0.5rem;
  font-size: 1.1rem;
}

.preview-card p {
  color: var(--color-text-muted);
  font-size: 0.92rem;
  margin: 0;
}

.preview-article {
  max-width: 680px;
  margin: 0 auto;
}

.preview-article h1 {
  font-size: var(--text-h2);
  margin-bottom: 0.5rem;
}

.preview-article .item-meta {
  color: var(--color-text-dim);
  font-size: 0.85rem;
  margin-bottom: 2rem;
}

.preview-article-body {
  white-space: pre-wrap;
  line-height: 1.75;
}

.back-link {
  display: inline-block;
  margin-bottom: 2rem;
  color: var(--color-text-muted);
  text-decoration: none;
  font-size: 0.9rem;
}

.back-link:hover {
  color: var(--color-accent-strong);
}