/* Blog pages. Shared tokens, header and footer come from the main site's stylesheet.css. */
.blog-page {
  padding: 32px 0 48px;
}

.blog-layout {
  display: grid;
  grid-template-columns: 240px minmax(0, 1fr);
  gap: 40px;
  align-items: start;
}

.blog-main {
  min-width: 0;
}

/* Sidebar */
.blog-sidebar {
  position: sticky;
  top: 96px;
}

.blog-card {
  padding: 22px 18px 18px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: #fff;
  text-align: center;
  box-shadow: 0 1px 2px rgba(15, 35, 60, 0.04);
}

.blog-avatar {
  width: 130px;
  height: 130px;
  margin: 0 auto 12px;
  overflow: hidden;
  border: 3px solid var(--line);
  border-radius: 50%;
  background: #f7f9fb;
}

.blog-avatar img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 22%;
}

.blog-author {
  margin: 4px 0 0;
  font-size: 1.05rem;
  letter-spacing: -0.005em;
}

.blog-author-tagline {
  margin: 4px 0 14px;
  color: var(--subtle);
  font-size: 0.78rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.blog-stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 4px;
  padding: 14px 0;
  border-top: 1px solid var(--line-soft);
  border-bottom: 1px solid var(--line-soft);
}

.blog-stat {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
  padding: 4px 0;
  border-radius: 4px;
  color: var(--ink);
}

.blog-stat:hover {
  background: var(--accent-soft);
  text-decoration: none;
}

.blog-stat strong {
  color: var(--ink);
  font-family: var(--serif);
  font-size: 1.45rem;
  line-height: 1;
}

.blog-stat > span {
  color: var(--muted);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.blog-sidebar-nav {
  display: grid;
  gap: 2px;
  margin: 14px 0;
}

.blog-sidebar-nav a {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 12px;
  border-radius: 6px;
  color: var(--muted);
  font-size: 0.94rem;
  font-weight: 600;
  text-align: left;
}

.blog-sidebar-nav a:hover,
.blog-sidebar-nav a[aria-current="page"] {
  background: var(--accent-soft);
  color: var(--accent-dark);
  text-decoration: none;
}

.blog-nav-icon {
  display: inline-flex;
  width: 22px;
  height: 22px;
  align-items: center;
  justify-content: center;
  color: var(--accent);
}

.blog-sidebar-footer {
  margin: 10px 0 0;
  color: var(--subtle);
  font-size: 0.72rem;
  letter-spacing: 0.02em;
}

/* Post lists */
.blog-header {
  margin-bottom: 18px;
  padding: 28px 0 16px;
  border-bottom: 1px solid var(--line-soft);
}

.blog-header h1 {
  margin: 0 0 8px;
  font-size: clamp(1.3rem, 2.4vw, 1.65rem);
}

.blog-header-note {
  margin: 6px 0 0;
  color: var(--muted);
  font-size: 0.94rem;
}

.blog-percent {
  margin: 0 0 4px;
  color: var(--accent);
  font-size: 0.74rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.blog-archive {
  display: grid;
  gap: 22px;
  margin-top: 32px;
}

.blog-year-block {
  display: grid;
  gap: 8px;
}

.blog-year {
  margin: 4px 0 6px;
  padding: 4px 0;
  border-bottom: 1px solid var(--line-soft);
  color: var(--accent-dark);
  font-size: 1.5rem;
}

.blog-preview-list {
  display: grid;
  gap: 0;
  margin: 0;
  padding: 0;
  list-style: none;
}

.blog-preview-entry {
  display: grid;
  grid-template-columns: 60px 38px minmax(0, 1fr);
  column-gap: 14px;
  align-items: baseline;
  padding: 14px 0;
  border-bottom: 1px solid var(--line-soft);
}

.blog-preview-entry:last-child {
  border-bottom: 0;
}

.blog-archive-date {
  color: var(--subtle);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  white-space: nowrap;
}

.blog-lang {
  display: inline-flex;
  min-width: 32px;
  height: 18px;
  align-items: center;
  justify-content: center;
  padding: 1px 6px;
  border-radius: 3px;
  font-size: 0.66rem;
  font-weight: 700;
  letter-spacing: 0.04em;
}

.blog-lang-en {
  background: #e8f1fb;
  border: 1px solid #b6d2ef;
  color: #1f5f8b;
}

.blog-lang-zh {
  background: #fdf3d8;
  border: 1px solid #ecd384;
  color: #8a6810;
}

.blog-preview-body {
  min-width: 0;
}

.blog-preview-title {
  margin: 0;
  font-family: var(--sans);
  font-size: 0.98rem;
  font-weight: 600;
  line-height: 1.45;
  letter-spacing: -0.005em;
}

.blog-preview-title a {
  color: var(--ink);
}

.blog-preview-title a:hover {
  color: var(--accent);
  text-decoration: none;
}

.blog-preview-excerpt {
  display: -webkit-box;
  margin: 6px 0 0;
  overflow: hidden;
  color: var(--muted);
  font-size: 0.9rem;
  line-height: 1.55;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
  line-clamp: 2;
}

/* Tags */
.blog-tag-cloud {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 24px;
}

.blog-tag-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: #fbfcfd;
  color: var(--accent-dark);
  font-size: 0.84rem;
  font-weight: 600;
}

.blog-tag-chip:hover {
  border-color: var(--accent);
  background: var(--accent-soft);
  text-decoration: none;
}

.blog-tag-count {
  padding: 0 6px;
  border-radius: 999px;
  background: var(--accent);
  color: #fff;
  font-size: 0.72rem;
}

.blog-pagination {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 8px;
  margin: 32px 0 16px;
  padding: 18px 4px 4px;
  border-top: 1px solid var(--line-soft);
}

.blog-pagination-step {
  display: inline-flex;
  padding: 6px 14px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: #fbfcfd;
  color: var(--accent);
  font-size: 0.86rem;
  font-weight: 600;
}

.blog-pagination-step:hover {
  border-color: var(--accent);
  background: var(--accent-soft);
  text-decoration: none;
}

/* Post page */
.blog-post {
  padding: 36px 44px 32px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: #fff;
  box-shadow: 0 1px 3px rgba(15, 23, 42, 0.04);
}

.blog-post-header {
  margin-bottom: 24px;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--line);
}

.blog-post-header h1 {
  margin: 12px 0 0;
  font-size: clamp(1.6rem, 2.6vw, 2rem);
  line-height: 1.25;
  overflow-wrap: break-word;
}

.blog-post-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 14px;
  margin: 0;
  color: var(--muted);
  font-size: 0.84rem;
}

.blog-post-meta time {
  color: var(--muted);
  font-variant-numeric: tabular-nums;
  font-weight: 600;
}

.blog-post-tag-line {
  display: inline-flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-left: 4px;
}

.blog-post-tag-chip {
  padding: 2px 8px;
  border: 1px solid #cfe0ee;
  border-radius: 6px;
  background: var(--accent-soft);
  color: var(--accent);
  font-size: 0.75rem;
  font-weight: 600;
}

.blog-post-tag-chip:hover {
  border-color: var(--accent);
  text-decoration: none;
}

.blog-post-body {
  color: var(--ink);
  font-size: 1rem;
  line-height: 1.78;
  overflow-wrap: break-word;
}

.blog-post-body > :first-child {
  margin-top: 0;
}

.blog-post-body h1,
.blog-post-body h2,
.blog-post-body h3,
.blog-post-body h4 {
  margin: 1.8em 0 0.6em;
  scroll-margin-top: 100px;
}

.blog-post-body h2 {
  padding-bottom: 6px;
  border-bottom: 1px solid var(--line);
  font-size: 1.32rem;
}

.blog-post-body h3 {
  font-size: 1.15rem;
}

.blog-post-body p {
  margin: 0 0 1.05em;
}

.blog-post-body a {
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 2px;
}

.blog-post-body ul,
.blog-post-body ol {
  margin: 0 0 1.05em;
  padding-left: 1.6em;
}

.blog-post-body li {
  margin: 0.25em 0;
}

.blog-post-body blockquote {
  margin: 1.2em 0;
  padding: 6px 16px;
  border-left: 3px solid var(--accent);
  border-radius: 0 6px 6px 0;
  background: var(--accent-soft);
  color: var(--muted);
}

.blog-post-body hr {
  margin: 2em 0;
  border: 0;
  border-top: 1px solid var(--line);
}

.blog-post-body img {
  display: block;
  max-width: 100%;
  height: auto;
  margin: 18px auto;
  border: 1px solid var(--line);
  border-radius: 8px;
}

.blog-post-body table {
  display: block;
  max-width: 100%;
  margin: 1.2em 0;
  overflow-x: auto;
  border-collapse: collapse;
  font-size: 0.92rem;
}

.blog-post-body th,
.blog-post-body td {
  padding: 8px 12px;
  border: 1px solid var(--line);
  text-align: left;
}

.blog-post-body code {
  padding: 1px 5px;
  border-radius: 4px;
  background: rgba(15, 23, 42, 0.06);
  color: #b91c1c;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size: 0.88em;
}

.blog-post-body pre {
  margin: 1.2em 0;
  padding: 16px 18px;
  overflow-x: auto;
  border-radius: 8px;
  background: #0f172a !important;
  color: #e2e8f0;
  font-size: 0.86rem;
  line-height: 1.6;
}

.blog-post-body pre code {
  padding: 0;
  border-radius: 0;
  background: transparent;
  color: inherit;
  font-size: inherit;
}

.blog-post-footer {
  margin-top: 36px;
  padding-top: 20px;
  border-top: 1px solid var(--line);
}

.blog-post-nav {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.blog-post-nav-link {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 12px 16px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: #fff;
  color: var(--ink);
}

.blog-post-nav-link:hover {
  border-color: var(--accent);
  text-decoration: none;
}

.blog-post-nav-next {
  grid-column: 2;
  text-align: right;
}

.blog-post-nav-label {
  color: var(--muted);
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.blog-post-nav-title {
  font-size: 0.92rem;
  font-weight: 600;
  line-height: 1.35;
}

/* Responsive */
@media (max-width: 900px) {
  .blog-layout {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .blog-sidebar {
    position: static;
    width: 100%;
    max-width: 380px;
    margin: 0 auto;
  }

  .blog-post {
    padding: 24px 22px 22px;
  }

  .blog-post-nav {
    grid-template-columns: 1fr;
  }

  .blog-post-nav-next {
    grid-column: auto;
    text-align: left;
  }
}

@media (max-width: 640px) {
  .blog-preview-entry {
    grid-template-columns: 50px 34px minmax(0, 1fr);
    column-gap: 8px;
  }
}