/* ==========================================================================
   Freesun's blog · 文章页样式
   只负责正文排版，配色与基础组件继承 main.css
   ========================================================================== */

.article {
  max-width: var(--measure);
  margin-inline: auto;
  padding-block: clamp(3.5rem, 9vw, 6rem) 0;
}

.article-head { margin-bottom: 0.5rem; }

.article-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.65rem;
  margin: 0 0 1.5rem;
  font-family: var(--mono);
  font-size: 0.8125rem;
  letter-spacing: 0.04em;
  color: var(--ink-faint);
}

.article-meta .tag { color: var(--accent); }

.article-meta .dot { color: var(--rule); }

.article h1 {
  margin: 0;
  font-family: var(--serif);
  font-size: clamp(2rem, 4.8vw, 2.875rem);
  font-weight: 600;
  line-height: 1.24;
  letter-spacing: -0.01em;
}

.article-lead {
  margin: 1.5rem 0 0;
  padding-bottom: 2.5rem;
  border-bottom: 1px solid var(--rule);
  font-size: 1.0625rem;
  line-height: 1.9;
  color: var(--ink-soft);
}

.article .prose {
  margin-top: 2.75rem;
  font-size: 1.0625rem;
  line-height: 1.95;
  letter-spacing: 0.005em;
}

[data-theme="dark"] .article .prose { line-height: 2; }

.article .prose > p { margin: 0 0 1.6rem; }

.article .prose h2 {
  margin: 3.25rem 0 1rem;
  font-family: var(--serif);
  font-size: 1.5rem;
  font-weight: 600;
  line-height: 1.4;
}

.article .prose h3 {
  margin: 2.25rem 0 0.75rem;
  font-family: var(--serif);
  font-size: 1.1875rem;
  font-weight: 600;
  line-height: 1.5;
}

.article .prose ul,
.article .prose ol {
  margin: 0 0 1.6rem;
  padding-left: 1.35rem;
}

.article .prose li { margin: 0.4rem 0; }

.article .prose li::marker { color: var(--accent); }

.article .prose blockquote {
  margin: 2.25rem 0;
  padding: 0.1rem 0 0.1rem 1.5rem;
  border-left: 2px solid var(--accent);
  font-family: var(--serif);
  font-size: 1.0625rem;
  line-height: 1.85;
  color: var(--ink-soft);
}

.article .prose blockquote p:last-child { margin-bottom: 0; }

.article .prose code {
  padding: 0.15em 0.35em;
  border-radius: 2px;
  background: color-mix(in srgb, var(--ink) 7%, transparent);
  font-family: var(--mono);
  font-size: 0.875em;
  font-variant-ligatures: none;
}

.article .prose pre {
  margin: 1.875rem 0;
  padding: 1.25rem 1.375rem;
  overflow-x: auto;
  border: 1px solid var(--rule);
  background: var(--surface);
  font-size: 0.875rem;
  line-height: 1.75;
}

.article .prose pre code {
  padding: 0;
  background: none;
  font-size: 1em;
}

.article .prose hr {
  width: 4rem;
  height: 0;
  margin: 3rem auto;
  border: 0;
  border-top: 1px solid var(--rule);
}

.article .prose figure { margin: 2.25rem 0; }

.article .prose figure img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 2px;
  background: var(--surface);
}

/* 竖幅单图：限宽居中，避免在正文里过高 */
.article .prose figure.tall { max-width: 24rem; margin-inline: auto; }

/* 双图并排 */
.article .prose .gallery {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1.25rem;
  margin: 2.25rem 0;
}

.article .prose .gallery figure { margin: 0; }

.article .prose figcaption {
  margin-top: 0.65rem;
  font-size: 0.8125rem;
  line-height: 1.6;
  text-align: center;
  color: var(--ink-faint);
}

@media (max-width: 40rem) {
  .article .prose .gallery {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
}

.article-foot {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 0.75rem 2rem;
  margin-top: 4.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--rule);
  font-size: 0.875rem;
  color: var(--ink-faint);
}

.back-link {
  color: var(--ink-soft);
  transition: color 0.2s ease;
}

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