/* ═══════════════════════════════════════════════════════════════════
   ZamaniAuto — Post Content v3.0 — Article Typography & Components
   "Engineering That Educates" — professional journal-grade reading experience.
   ═══════════════════════════════════════════════════════════════════ */

/* ═══════ POST LAYOUT ═══════ */
.post-layout { max-width: 1140px; margin: 0 auto; padding: 32px 24px 0; }
.post-page { max-width: 760px; margin: 0 auto; }

/* ═══════ BREADCRUMB ═══════ */
.post-breadcrumb {
  display: flex; align-items: center; gap: 6px; flex-wrap: wrap;
  font-size: 0.85rem; color: var(--bl-text-muted); margin-bottom: 24px;
}
.post-breadcrumb a { color: var(--bl-accent); text-decoration: none; font-weight: 500; }
.post-breadcrumb a:hover { text-decoration: underline; }
.post-breadcrumb .sep { color: var(--bl-text-muted); margin: 0 2px; }
.post-breadcrumb .current { color: var(--bl-text-soft); }

/* ═══════ ARTICLE HEADER ═══════ */
.post-header { margin-bottom: 28px; }
.post-cat {
  display: inline-block; padding: 4px 14px; border-radius: 6px;
  background: var(--bl-accent-soft); color: var(--bl-accent);
  font-size: 0.78rem; font-weight: 700; text-transform: uppercase;
  letter-spacing: 0.5px; margin-bottom: 14px;
}
.post-header h1 {
  font-size: clamp(1.5rem, 3.5vw, 2rem); font-weight: 800;
  color: var(--bl-text); line-height: 1.35; margin: 0 0 14px;
  letter-spacing: -0.3px;
}

/* ── Post Meta ── */
.post-meta {
  display: flex; align-items: center; gap: 16px; flex-wrap: wrap;
  font-size: 0.85rem; color: var(--bl-text-muted);
}
.post-meta span { display: flex; align-items: center; gap: 4px; }
.post-reading-time { color: var(--bl-accent); font-weight: 600; }

/* ═══════ HERO IMAGE ═══════ */
.post-hero {
  margin-bottom: 28px; border-radius: 14px; overflow: hidden;
  box-shadow: 0 4px 20px rgba(0,0,0,0.08);
}
.post-hero img { width: 100%; display: block; border-radius: 14px; }

/* ═══════ SHARE BUTTONS ═══════ */
.post-share { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; margin-bottom: 28px; }
.post-share .share-label { font-size: 0.85rem; color: var(--bl-text-muted); font-weight: 600; margin-left: 4px; }
.share-btn {
  display: inline-flex; align-items: center; gap: 4px;
  padding: 6px 14px; border-radius: 8px; font-size: 0.82rem;
  font-weight: 600; text-decoration: none; cursor: pointer;
  transition: var(--bl-transition); border: 1px solid var(--bl-border-strong);
  background: var(--bl-surface); color: var(--bl-text-soft);
  font-family: inherit;
}
.share-btn:hover { transform: translateY(-2px); box-shadow: 0 4px 12px rgba(0,0,0,0.06); }
.share-btn.share-tg:hover { background: #0088CC; color: #fff; border-color: #0088CC; }
.share-btn.share-wa:hover { background: #25D366; color: #fff; border-color: #25D366; }
.share-btn.share-tw:hover { background: #000; color: #fff; border-color: #000; }
.share-btn.share-li:hover { background: #0077B5; color: #fff; border-color: #0077B5; }
.share-btn.share-copy { background: var(--bl-accent-soft); border-color: transparent; }
.share-btn.share-copy:hover { background: var(--bl-accent); color: #fff; }
.share-btn.share-copy.copied { background: #10B981; color: #fff; }
.social-icon-share { width: 16px; height: 16px; }
.social-icon-twitter { filter: brightness(1); }
[data-theme="dark"] .social-icon-twitter { filter: brightness(10); }

/* ═══════ TABLE OF CONTENTS ═══════ */
.post-toc-wrapper { margin-bottom: 28px; }
.post-toc {
  background: var(--bl-toc-bg); border: 1px solid var(--bl-toc-border);
  border-radius: 12px; overflow: hidden; transition: var(--bl-transition);
}
.post-toc-header {
  display: flex; align-items: center; justify-content: space-between;
  padding: 14px 20px; cursor: pointer; user-select: none;
  font-size: 0.95rem; font-weight: 700; color: var(--bl-text);
  background: transparent; transition: background 0.2s;
}
.post-toc-header:hover { background: var(--bl-accent-soft); }
.post-toc-toggle { font-size: 0.75rem; color: var(--bl-text-muted); transition: transform 0.2s; }
.post-toc.collapsed .post-toc-body { display: none; }
.post-toc.collapsed .post-toc-toggle { transform: rotate(-90deg); }
.post-toc-body { padding: 0 20px 16px; display: flex; flex-direction: column; gap: 2px; }
.post-toc-link {
  display: flex; align-items: center; gap: 8px;
  padding: 6px 10px; border-radius: 6px;
  font-size: 0.85rem; color: var(--bl-text-soft);
  text-decoration: none; transition: var(--bl-transition);
}
.post-toc-link:hover { background: var(--bl-accent-soft); color: var(--bl-accent); }
.post-toc-link.toc-active {
  background: var(--bl-accent-soft); color: var(--bl-accent);
  font-weight: 600; border-right: 3px solid var(--bl-accent);
}
[dir="rtl"] .post-toc-link.toc-active { border-right: none; border-left: 3px solid var(--bl-accent); }
.toc-level-3 { padding-right: 24px; }
[dir="rtl"] .toc-level-3 { padding-right: 10px; padding-left: 24px; }
.toc-num {
  display: inline-flex; align-items: center; justify-content: center;
  min-width: 22px; height: 22px; border-radius: 4px;
  background: var(--bl-accent); color: #fff;
  font-size: 0.7rem; font-weight: 700; flex-shrink: 0;
}

/* ═══════ ARTICLE CONTENT — Typography ═══════ */
.post-content {
  font-size: 17px; line-height: 1.95; color: var(--bl-text);
}

.post-content h2 {
  font-size: 1.45rem; font-weight: 800; color: var(--bl-text);
  margin: 44px 0 16px; padding-bottom: 10px;
  border-bottom: 2px solid var(--bl-border-strong);
  letter-spacing: -0.2px; line-height: 1.35;
}
.post-content h3 {
  font-size: 1.2rem; font-weight: 700; color: var(--bl-text);
  margin: 32px 0 12px; line-height: 1.4;
}
.post-content h4 {
  font-size: 1.05rem; font-weight: 700; color: var(--bl-text);
  margin: 24px 0 8px;
}

.post-content p { margin-bottom: 20px; }

.post-content ul, .post-content ol {
  margin-bottom: 20px; padding-right: 24px;
}
[dir="ltr"] .post-content ul, [dir="ltr"] .post-content ol { padding-right: 0; padding-left: 24px; }
.post-content li { margin-bottom: 8px; line-height: 1.85; }

.post-content a {
  color: var(--bl-accent); text-decoration: underline;
  text-underline-offset: 3px; transition: color 0.2s;
}
.post-content a:hover { color: var(--bl-accent-light); }

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

/* ── Blockquote ── */
.post-content blockquote {
  border-right: 4px solid var(--bl-accent);
  padding: 16px 24px; margin: 24px 0;
  background: var(--bl-accent-soft); border-radius: 0 10px 10px 0;
  font-style: italic; color: var(--bl-text-soft);
}
[dir="ltr"] .post-content blockquote {
  border-right: none; border-left: 4px solid var(--bl-accent);
  border-radius: 10px 0 0 10px;
}

/* ── Images ── */
.post-content img {
  max-width: 100%; height: auto; border-radius: 12px;
  margin: 20px 0; box-shadow: 0 2px 12px rgba(0,0,0,0.06);
}
.post-content figure { margin: 24px 0; }
.post-content figcaption {
  text-align: center; font-size: 0.85rem; color: var(--bl-text-muted);
  margin-top: 8px; font-style: italic;
}

/* ── Inline code ── */
.post-content code {
  background: var(--bl-code-bg); color: var(--bl-code-text);
  padding: 2px 7px; border-radius: 4px;
  font-family: 'Fira Code', 'Vazirmatn', monospace;
  font-size: 0.9em; font-weight: 500;
}

/* ── Code blocks ── */
.post-content pre, .code-block-wrapper {
  background: #1E293B; color: #E2E8F0;
  padding: 20px; border-radius: 12px; overflow-x: auto;
  margin: 24px 0; font-size: 0.85rem; line-height: 1.7;
  position: relative;
}
.post-content pre code, .code-block-wrapper code {
  background: none; padding: 0; color: inherit; font-size: inherit;
}

/* Copy code button */
.code-block-wrapper { position: relative; }
.copy-code-btn {
  position: absolute; top: 10px; left: 10px;
  padding: 4px 10px; border-radius: 6px;
  background: rgba(255,255,255,0.12); color: rgba(255,255,255,0.7);
  border: none; font-size: 0.72rem; cursor: pointer;
  font-family: inherit; transition: all 0.2s;
}
[dir="rtl"] .copy-code-btn { left: auto; right: 10px; }
.copy-code-btn:hover { background: rgba(255,255,255,0.2); color: #fff; }
.copy-code-btn.copied { background: #10B981; color: #fff; }

/* ── Tables ── */
.post-content .table-wrapper, .post-content table {
  width: 100%; overflow-x: auto; margin: 24px 0;
}
.post-content table { border-collapse: collapse; }
.post-content th {
  background: var(--bl-accent-soft); padding: 12px 16px;
  text-align: right; font-weight: 700; font-size: 0.9rem;
  border-bottom: 2px solid var(--bl-accent); color: var(--bl-text);
}
[dir="ltr"] .post-content th { text-align: left; }
.post-content td {
  padding: 10px 16px; border-bottom: 1px solid var(--bl-border);
  font-size: 0.9rem;
}
.post-content tr:hover td { background: var(--bl-accent-soft); }

/* ── Sortable table ── */
.post-content th.sortable {
  cursor: pointer; user-select: none; position: relative;
}
.post-content th.sortable:hover { background: var(--bl-accent-glow); }
.sort-arrow { margin-right: 4px; font-size: 0.7rem; }

/* ── Special Content Boxes ── */
.post-content .hl-box {
  border-radius: 10px; padding: 16px 20px; margin: 20px 0;
  font-size: 0.92rem; line-height: 1.8;
}
.post-content .hl-tip { background: var(--bl-tip-bg); border: 1px solid var(--bl-tip-border); }
.post-content .hl-warning { background: var(--bl-warning-bg); border: 1px solid var(--bl-warning-border); }
.post-content .hl-highlight { background: var(--bl-highlight-bg); border: 1px solid var(--bl-highlight-border); }

/* ═══════ AUTHOR CARD ═══════ */
.author-card {
  display: flex; gap: 16px; align-items: center;
  padding: 20px; border-radius: 14px;
  background: var(--bl-surface); border: 1px solid var(--bl-border);
  box-shadow: var(--bl-card-shadow); margin: 32px 0;
}
.author-avatar-img {
  width: 64px; height: 64px; border-radius: 50%; object-fit: cover;
  flex-shrink: 0; border: 2px solid var(--bl-accent-glow);
}
.author-info { flex: 1; min-width: 0; }
.author-name { font-size: 1rem; font-weight: 700; color: var(--bl-text); margin-bottom: 4px; }
.author-bio { font-size: 0.85rem; color: var(--bl-text-soft); line-height: 1.7; margin-bottom: 8px; }
.author-social { display: flex; gap: 10px; }
.author-social a {
  display: inline-flex; align-items: center; justify-content: center;
  width: 32px; height: 32px; border-radius: 8px;
  background: var(--bl-accent-soft); font-size: 0.9rem;
  text-decoration: none; transition: var(--bl-transition);
}
.author-social a:hover { background: var(--bl-accent); transform: scale(1.1); }
.social-icon-auth { width: 16px; height: 16px; }
.ig-author-icon { width: 16px; height: 16px; }

/* ═══════ BOTTOM CTA ═══════ */
.post-cta {
  background: linear-gradient(135deg, var(--bl-accent), #095A5F);
  border-radius: 14px; padding: 28px 32px; margin: 32px 0; text-align: center; color: #fff;
}
.post-cta h3 { font-size: 1.15rem; font-weight: 700; margin: 0 0 8px; color: #fff; }
.post-cta p { font-size: 0.92rem; opacity: 0.9; line-height: 1.8; margin: 0 0 18px; color: rgba(255,255,255,0.85); }
.cta-buttons { display: flex; gap: 10px; justify-content: center; flex-wrap: wrap; }
.cta-btn {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 12px 28px; border-radius: 8px; font-size: 0.9rem;
  font-weight: 700; text-decoration: none; transition: var(--bl-transition);
  cursor: pointer; border: none; font-family: inherit;
}
.cta-btn-primary { background: #fff; color: var(--bl-accent); }
.cta-btn-primary:hover { transform: translateY(-2px); box-shadow: 0 6px 16px rgba(0,0,0,0.15); }
.cta-btn-outline {
  background: transparent; color: #fff;
  border: 1.5px solid rgba(255,255,255,0.25);
}
.cta-btn-outline:hover { background: rgba(255,255,255,0.1); border-color: #fff; transform: translateY(-2px); }

/* ── Post Share Bottom ── */
.post-share-bottom { justify-content: center; margin: 28px 0 0; }

/* ═══════ POST NAVIGATION ═══════ */
.post-nav { text-align: center; margin: 24px 0; }
.post-nav .btn {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 10px 22px; border-radius: 8px;
  background: var(--bl-surface); border: 1px solid var(--bl-border-strong);
  color: var(--bl-text-soft); font-weight: 600; text-decoration: none;
  transition: var(--bl-transition); font-family: inherit;
}
.post-nav .btn:hover { background: var(--bl-accent-soft); color: var(--bl-accent); }

/* ═══════ RELATED ARTICLES ═══════ */
.related-section { margin: 40px 0; }
.related-section h3 {
  font-size: 1.1rem; font-weight: 800; color: var(--bl-text);
  margin: 0 0 16px;
}
.related-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.related-card {
  display: block; text-decoration: none; border-radius: 12px;
  overflow: hidden; background: var(--bl-surface);
  border: 1px solid var(--bl-border); box-shadow: var(--bl-card-shadow);
  transition: var(--bl-transition);
}
.related-card:hover {
  transform: translateY(-3px); box-shadow: var(--bl-card-shadow-hover);
  border-color: var(--bl-card-hover-border);
}
.related-card img {
  width: 100%; height: 140px; object-fit: cover; display: block;
}
.related-cat {
  display: inline-block; padding: 2px 10px; border-radius: 4px;
  background: var(--bl-accent-soft); color: var(--bl-accent);
  font-size: 0.7rem; font-weight: 700; margin: 12px 12px 0;
}
.related-title {
  padding: 8px 12px 14px; font-size: 0.85rem; font-weight: 700;
  color: var(--bl-text); line-height: 1.5;
}
.related-date {
  padding: 0 12px 12px; font-size: 0.75rem; color: var(--bl-text-muted);
}

/* ═══════ STICKY SHARE SIDEBAR (Desktop) ═══════ */
.sticky-share {
  position: fixed; left: 20px; top: 50%; transform: translateY(-50%);
  display: flex; flex-direction: column; gap: 8px; z-index: 50;
  background: var(--bl-surface); padding: 10px 8px;
  border-radius: 12px; border: 1px solid var(--bl-border);
  box-shadow: var(--bl-card-shadow);
}
[dir="rtl"] .sticky-share { left: auto; right: 20px; }
.sticky-share-label {
  font-size: 0.65rem; text-align: center; color: var(--bl-text-muted);
  font-weight: 600; text-transform: uppercase; letter-spacing: 0.5px;
  line-height: 1.3; padding-bottom: 6px; border-bottom: 1px solid var(--bl-border);
}
.sticky-share-btn {
  display: flex; align-items: center; justify-content: center;
  width: 40px; height: 40px; border-radius: 10px; border: none;
  background: transparent; cursor: pointer; text-decoration: none;
  transition: var(--bl-transition); position: relative;
}
.sticky-share-btn:hover { background: var(--bl-accent-soft); }
.sticky-share-btn .sticky-tooltip {
  position: absolute; left: 52px; top: 50%; transform: translateY(-50%);
  background: var(--bl-text); color: #fff; padding: 4px 10px;
  border-radius: 6px; font-size: 0.72rem; white-space: nowrap;
  opacity: 0; pointer-events: none; transition: opacity 0.2s;
}
[dir="rtl"] .sticky-share-btn .sticky-tooltip { left: auto; right: 52px; }
.sticky-share-btn:hover .sticky-tooltip { opacity: 1; }
.sticky-share-divider { height: 1px; background: var(--bl-border); margin: 4px 4px; }
.social-icon-sticky { width: 20px; height: 20px; }
.dark-mode-toggle { background: transparent; border: none; cursor: pointer; padding: 8px; font-size: 1.1rem; }
.mobile-dark-toggle { display: none; }

/* ═══════ RESPONSIVE ═══════ */
@media (max-width: 1023px) {
  .post-layout { padding: 24px 20px 0; }
  .post-page { max-width: 100%; }
  .related-grid { grid-template-columns: repeat(2, 1fr); }
  .sticky-share { display: none; }
  .mobile-dark-toggle {
    display: flex; align-items: center; justify-content: center;
    position: fixed; bottom: 20px; left: 20px; z-index: 50;
    width: 44px; height: 44px; border-radius: 50%;
    background: var(--bl-surface); border: 1px solid var(--bl-border);
    box-shadow: var(--bl-card-shadow);
    font-size: 1.2rem; cursor: pointer;
  }
  [dir="rtl"] .mobile-dark-toggle { left: auto; right: 20px; }
}

@media (max-width: 767px) {
  .post-header h1 { font-size: 1.25rem; }
  .post-meta { gap: 10px; font-size: 0.78rem; }
  .post-share { gap: 6px; }
  .share-btn { padding: 5px 10px; font-size: 0.75rem; }
  .author-card { flex-direction: column; text-align: center; }
  .author-social { justify-content: center; }
  .post-cta { padding: 20px 16px; }
  .related-grid { grid-template-columns: 1fr; }
  .post-content { font-size: 16px; }
  .post-content h2 { font-size: 1.2rem; }
  .cta-buttons { flex-direction: column; }
  .cta-buttons .cta-btn { justify-content: center; }
}