/* ---------- Blog (loaded after style.css) ---------- */

.nav-links a.active { color: var(--fg); }

.blog-hero { padding: 72px 0 32px; }
.blog-hero .sub { color: var(--muted); max-width: 560px; margin-top: 10px; }

#blogApp { min-height: 40vh; }
.blog-section { padding: 0 0 96px; }
.blog-column { max-width: 720px; }

/* ---------- Article list ---------- */
.article-list { display: flex; flex-direction: column; gap: 16px; }

.article-row {
  display: flex; align-items: center; gap: 24px;
  background: var(--card); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 22px 24px;
  transition: border-color .2s, transform .2s;
}
.article-row:hover { border-color: var(--violet); transform: translateY(-3px); }

.article-row-body { flex: 1; min-width: 0; }
.article-row-body h3 { font-size: 1.2rem; margin-bottom: 6px; }
.article-date { color: var(--muted); font-size: 0.78rem; letter-spacing: 0.04em; margin-bottom: 10px; }
.article-excerpt {
  color: var(--muted); font-size: 0.93rem;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical;
  overflow: hidden;
}

.article-thumb {
  width: 160px; height: 106px; object-fit: cover; flex-shrink: 0;
  border-radius: 10px; border: 1px solid var(--border);
}

/* ---------- Article view ---------- */
.article-view { max-width: 720px; }

.back-link {
  display: inline-block; color: var(--muted); font-size: 0.82rem;
  margin-bottom: 28px; transition: color .15s;
}
.back-link:hover { color: var(--fg); }

.article-title { font-size: clamp(1.9rem, 4.5vw, 2.8rem); margin: 0 0 14px; }

.article-summary {
  color: var(--muted); font-style: italic; font-size: 1.05rem;
  margin: 14px 0 18px;
}

.article-chips { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 22px; }
.chip {
  font-size: 0.72rem; color: var(--violet);
  border: 1px solid rgba(139, 92, 246, 0.4); border-radius: 999px;
  padding: 3px 10px;
}

.article-hero {
  width: 100%; border-radius: var(--radius);
  border: 1px solid var(--border); margin: 8px 0 32px;
}

/* ---------- Markdown body ---------- */
.article-body { font-size: 1.02rem; line-height: 1.75; }
.article-body > *:first-child { margin-top: 0; }
.article-body h1, .article-body h2, .article-body h3, .article-body h4 {
  letter-spacing: -0.02em; line-height: 1.25;
  margin: 1.8em 0 0.6em;
}
.article-body h1 { font-size: 1.7rem; }
.article-body h2 { font-size: 1.45rem; }
.article-body h3 { font-size: 1.2rem; }
.article-body h4 { font-size: 1.05rem; }
.article-body p { margin: 0 0 1.1em; }
.article-body a { color: var(--blue); text-decoration: underline; text-underline-offset: 2px; }
.article-body a:hover { color: var(--fg); }
.article-body ul, .article-body ol { margin: 0 0 1.1em; padding-left: 1.5em; }
.article-body li { margin-bottom: 0.35em; }
.article-body img { border-radius: 10px; max-width: 100%; margin: 1.2em auto; }
.article-body blockquote {
  border-left: 3px solid var(--violet); margin: 1.4em 0;
  padding: 4px 0 4px 18px; color: var(--muted); font-style: italic;
}
.article-body blockquote p { margin-bottom: 0.5em; }
.article-body code {
  font-family: var(--font-mono); font-size: 0.88em; color: var(--blue);
  background: var(--card); border: 1px solid var(--border);
  border-radius: 6px; padding: 2px 6px;
}
.article-body pre {
  background: var(--card); border: 1px solid var(--border);
  border-radius: 10px; padding: 16px 18px;
  overflow-x: auto; margin: 0 0 1.2em;
}
.article-body pre code {
  background: none; border: none; padding: 0;
  color: var(--fg); font-size: 0.85rem;
}
.article-body hr { border: none; border-top: 1px solid var(--border); margin: 2em 0; }
.article-body table {
  border-collapse: collapse; width: 100%; margin: 0 0 1.2em; font-size: 0.92rem;
}
.article-body th, .article-body td {
  border: 1px solid var(--border); padding: 8px 12px; text-align: left;
}
.article-body th { background: var(--card); }

/* ---------- Loading skeleton ---------- */
.skel-row {
  display: flex; gap: 24px; align-items: center;
  background: var(--card); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 22px 24px; margin-bottom: 16px;
}
.skel-body { flex: 1; }
.skel-line {
  height: 12px; border-radius: 6px; margin-bottom: 12px;
  background: linear-gradient(90deg, var(--border) 25%, #33334a 50%, var(--border) 75%);
  background-size: 200% 100%;
  animation: skel-shimmer 1.4s infinite;
}
.skel-line.w60 { width: 60%; height: 16px; }
.skel-line.w30 { width: 30%; }
.skel-line.w90 { width: 90%; margin-bottom: 0; }
.skel-thumb {
  width: 160px; height: 106px; border-radius: 10px; flex-shrink: 0;
  background: linear-gradient(90deg, var(--border) 25%, #33334a 50%, var(--border) 75%);
  background-size: 200% 100%;
  animation: skel-shimmer 1.4s infinite;
}
@keyframes skel-shimmer {
  0% { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

/* ---------- Error card ---------- */
.blog-error { text-align: center; padding: 48px 26px; }
.blog-error h3 { margin-bottom: 10px; }
.blog-error p { max-width: 420px; margin: 0 auto 20px; }

/* ---------- Responsive ---------- */
@media (max-width: 720px) {
  .blog-hero { padding: 48px 0 24px; }
  .article-row { flex-direction: column; align-items: stretch; gap: 14px; }
  .article-thumb, .skel-thumb { width: 100%; height: 150px; }
  .skel-row { flex-direction: column; align-items: stretch; }
}

@media (prefers-reduced-motion: reduce) {
  .skel-line, .skel-thumb { animation: none; }
  .article-row { transition: none; }
}