/* صفحه تک‌مطلب — مقاله بلند */

.page-shell.section-blog-post {
  padding-bottom: clamp(2rem, 4vw, 3rem);
}

.container--article {
  max-width: 72rem;
}

.blog-post-nav {
  margin-bottom: 1.25rem;
}

.blog-post-back {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.88rem;
  color: var(--text-muted);
  text-decoration: none;
  transition: color 0.2s var(--ease);
}

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

.blog-post-layout {
  display: grid;
  grid-template-columns: minmax(0, 220px) minmax(0, 1fr);
  gap: 1.5rem;
  align-items: start;
  direction: rtl;
}

.blog-post-layout:not(:has(.blog-post-toc)) {
  grid-template-columns: 1fr;
}

.blog-post-toc {
  position: sticky;
  top: 1.25rem;
  padding: 1rem 1.1rem;
  border-radius: var(--radius-lg, 18px);
  max-height: calc(100svh - 3rem);
  overflow-y: auto;
}

.blog-post-toc__title {
  margin: 0 0 0.65rem;
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--text-subtle);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.blog-post-toc__list {
  margin: 0;
  padding: 0 1rem 0 0;
  list-style: none;
  font-size: 0.82rem;
  line-height: 1.55;
}

.blog-post-toc__list a {
  display: block;
  padding: 0.3rem 0;
  color: var(--text-muted);
  text-decoration: none;
  border-inline-end: 2px solid transparent;
  padding-inline-end: 0.5rem;
  transition: color 0.2s, border-color 0.2s;
}

.blog-post-toc__list a:hover {
  color: var(--accent);
  border-inline-end-color: var(--accent);
}

.blog-post-card {
  padding: clamp(1.5rem, 3.5vw, 2.25rem);
  border-radius: var(--radius-lg, 18px);
  direction: rtl;
  text-align: right;
  min-width: 0;
}

.blog-post-header__meta {
  margin: 0 0 0.75rem;
}

.blog-post-header__title {
  margin: 0 0 0.85rem;
  font-size: clamp(1.65rem, 4vw, 2.35rem);
  line-height: 1.2;
  letter-spacing: -0.02em;
}

.blog-post-header__lead {
  margin: 0 0 1rem;
  font-size: 1.08rem;
  line-height: 1.75;
  color: var(--text-muted);
}

.blog-post-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  list-style: none;
  margin: 0 0 1.5rem;
  padding: 0;
}

.blog-post-tags__item {
  padding: 0.2rem 0.65rem;
  font-size: 0.72rem;
  border-radius: 999px;
  background: color-mix(in srgb, var(--accent) 12%, var(--surface));
  color: var(--accent);
  border: 1px solid color-mix(in srgb, var(--accent) 28%, transparent);
}

.blog-post-cover {
  margin: 0 0 1.75rem;
  border-radius: 16px;
  overflow: hidden;
  border: 1px solid var(--glass-border);
  aspect-ratio: 16 / 9;
}

.blog-post-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

/* بدنه مقاله */
.blog-post-body {
  font-size: 1.02rem;
  line-height: 1.9;
  color: var(--text);
}

.blog-post-body h2,
.blog-post-body .blog-h2 {
  margin: 2rem 0 0.85rem;
  font-size: 1.35rem;
  font-weight: 700;
  line-height: 1.35;
  letter-spacing: -0.02em;
  scroll-margin-top: 5rem;
  color: var(--text);
}

.blog-post-body h3,
.blog-post-body h4,
.blog-post-body .blog-h3 {
  margin: 1.35rem 0 0.55rem;
  font-size: 1.1rem;
  font-weight: 600;
  scroll-margin-top: 5rem;
  color: var(--text-muted);
}

.blog-post-body p {
  margin: 0 0 1.1rem;
}

.blog-post-body ul,
.blog-post-body ol {
  margin: 0 0 1.15rem;
  padding: 0 1.25rem 0 0;
}

.blog-post-body li {
  margin: 0.28rem 0;
  color: var(--text-muted);
}

.blog-post-body blockquote {
  margin: 1rem 0 1.25rem;
  padding: 0.75rem 1rem;
  border-inline-start: 3px solid var(--accent);
  background: color-mix(in srgb, var(--accent) 8%, transparent);
  border-radius: 0 12px 12px 0;
  color: var(--text-muted);
}

.blog-post-body a {
  color: var(--accent);
  text-decoration: underline;
  text-underline-offset: 2px;
}

.blog-post-body .blog-ul {
  margin: 0 0 1.15rem;
  padding: 0 1.25rem 0 0;
  list-style: none;
}

.blog-post-body .blog-ul li {
  position: relative;
  padding: 0.28rem 0;
  padding-inline-start: 1rem;
  color: var(--text-muted);
}

.blog-post-body .blog-ul li::before {
  content: "";
  position: absolute;
  inset-inline-start: 0;
  top: 0.75em;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--accent);
}

.blog-post-body strong {
  color: var(--text);
  font-weight: 700;
}

.blog-post-footer {
  margin-top: 2.5rem;
  padding-top: 1.75rem;
  border-top: 1px solid var(--glass-border);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1rem;
}

.blog-post-footer p {
  margin: 0;
  font-size: 0.95rem;
  color: var(--text-muted);
}

.blog-post-related {
  margin-top: 2.5rem;
}

.blog-post-related__title {
  margin: 0 0 1rem;
  font-size: 1.15rem;
}

.blog-post-related__grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(100%, 240px), 1fr));
  gap: 0.85rem;
}

.blog-post-related__card {
  display: flex;
  flex-direction: column;
  text-decoration: none;
  color: inherit;
  padding: 0;
  overflow: hidden;
  border-radius: var(--radius-lg, 18px);
  transition: transform 0.2s var(--ease);
  direction: rtl;
}

.blog-post-related__card:hover {
  transform: translateY(-2px);
}

.blog-post-related__thumb {
  aspect-ratio: 16 / 9;
  overflow: hidden;
  border-bottom: 1px solid var(--glass-border);
  background: color-mix(in srgb, var(--bg) 70%, var(--surface));
}

.blog-post-related__placeholder {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 100%;
  min-height: 5.5rem;
  font-size: clamp(1.75rem, 4vw, 2.25rem);
  font-weight: 700;
  line-height: 1;
  color: color-mix(in srgb, var(--accent) 35%, var(--text-subtle));
  opacity: 0.55;
  background: linear-gradient(
    145deg,
    color-mix(in srgb, var(--accent) 8%, var(--bg)),
    color-mix(in srgb, var(--accent-soft) 40%, var(--surface))
  );
}

.blog-post-related__text {
  padding: 0.85rem 1rem;
}

.blog-post-related__meta {
  margin: 0 0 0.25rem;
  font-size: 0.72rem;
  color: var(--text-subtle);
}

.blog-post-related__text h3 {
  margin: 0;
  font-size: 0.95rem;
  line-height: 1.4;
}

@media (max-width: 900px) {
  .blog-post-layout {
    grid-template-columns: 1fr;
  }

  .blog-post-toc {
    position: static;
    max-height: none;
  }
}