/* ═══════════════════════════════════════════════════════════════
   single.css — Zavify WordPress Theme — Single post layout
═══════════════════════════════════════════════════════════════ */

/* ─── Post Hero ─────────────────────────────────────────────── */
.single-hero {
  position: relative;
  padding-block: 4rem 0;
  border-bottom: 1px solid var(--border);
  background: linear-gradient(to bottom, rgba(185,251,106,0.08), transparent);
}
.single-hero__inner {
  max-width: 860px; margin-inline: auto; padding-inline: 1.5rem;
}
.single-hero__breadcrumb {
  display: flex; align-items: center; gap: 0.5rem; margin-bottom: 1.5rem;
  font-family: var(--font-mono); font-size: 0.7rem; font-weight: 600;
  text-transform: uppercase; letter-spacing: 0.15em; color: var(--muted-foreground);
}
.single-hero__breadcrumb a { color: inherit; text-decoration: none; transition: color 0.15s; }
.single-hero__breadcrumb a:hover { color: var(--foreground); }
.single-hero__breadcrumb-sep { opacity: 0.4; }

.single-hero__meta { margin-bottom: 1.5rem; }
.single-hero__title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 5vw, 3.25rem);
  font-weight: 900; letter-spacing: -0.04em; line-height: 1.05;
  margin-bottom: 1.25rem;
}
.single-hero__excerpt {
  font-size: 1.125rem; color: var(--muted-foreground); line-height: 1.65;
  margin-bottom: 2rem; max-width: 700px;
}
.single-hero__author {
  display: flex; align-items: center; gap: 0.875rem;
  padding-block: 1.5rem;
  border-top: 1px solid var(--border);
}
.single-hero__avatar {
  width: 48px; height: 48px; border-radius: 50%;
  overflow: hidden; flex-shrink: 0;
  border: 2px solid var(--accent);
  background-color: var(--muted);
}
.single-hero__avatar img { width: 100%; height: 100%; object-fit: cover; }
.single-hero__author-name { font-weight: 700; font-size: 0.9375rem; }
.single-hero__author-info { font-size: 0.8rem; color: var(--muted-foreground); }

/* Featured image */
.single-featured-img {
  max-width: 1100px; margin: 3rem auto 0;
  padding-inline: 1.5rem;
}
.single-featured-img img {
  width: 100%; aspect-ratio: 16/9; object-fit: cover;
  border-radius: var(--radius-3xl);
  box-shadow: var(--shadow-lift);
}

/* ─── Post Layout (content + sidebar) ──────────────────────── */
.single-layout {
  max-width: 1280px; margin-inline: auto; padding: 4rem 1.5rem;
  display: grid; gap: 4rem; grid-template-columns: 1fr;
}
@media (min-width: 1024px) {
  .single-layout { grid-template-columns: 1fr 280px; align-items: start; }
}

/* ─── Post Content Typography ───────────────────────────────── */
.post-content {
  max-width: 760px;
  font-size: 1.0625rem;
  line-height: 1.8;
  color: var(--foreground);
}
.post-content > * + * { margin-top: 1.5em; }
.post-content h2 {
  font-family: var(--font-display); font-size: 1.75rem; font-weight: 800;
  letter-spacing: -0.03em; margin-top: 3rem; margin-bottom: 1rem;
  scroll-margin-top: 100px;
}
.post-content h3 {
  font-family: var(--font-display); font-size: 1.35rem; font-weight: 700;
  margin-top: 2.5rem; margin-bottom: 0.75rem; scroll-margin-top: 100px;
}
.post-content h4 { font-size: 1.1rem; font-weight: 700; margin-top: 2rem; }
.post-content p { margin-bottom: 1.4em; }
.post-content p:first-child::first-letter {
  float: left; font-family: var(--font-display); font-size: 4em;
  font-weight: 900; line-height: 0.8; margin: 0.05em 0.1em 0 0;
  color: var(--foreground);
}
.post-content a {
  color: var(--foreground); font-weight: 600;
  text-decoration: underline; text-decoration-color: var(--accent);
  text-decoration-thickness: 2px; text-underline-offset: 3px;
  transition: color 0.15s;
}
.post-content a:hover { color: var(--muted-foreground); }
.post-content strong { font-weight: 700; }
.post-content em { font-style: italic; }
.post-content ul, .post-content ol {
  padding-left: 1.5rem; margin-block: 1.25em;
}
.post-content ul { list-style: none; }
.post-content ul li { position: relative; padding-left: 1rem; margin-bottom: 0.5em; }
.post-content ul li::before {
  content: '';
  position: absolute; left: 0; top: 0.6em;
  width: 6px; height: 6px; border-radius: 50%;
  background-color: var(--accent);
}
.post-content ol { list-style: decimal; }
.post-content ol li { margin-bottom: 0.5em; }
.post-content blockquote {
  border-left: 4px solid var(--accent);
  margin-left: 0; padding: 1rem 1.5rem;
  background-color: rgba(185,251,106,0.08);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  font-style: italic; color: var(--muted-foreground);
}
.post-content pre {
  background-color: var(--foreground); color: rgba(255,255,255,0.85);
  border-radius: var(--radius-xl); padding: 1.5rem; overflow-x: auto;
  font-family: var(--font-mono); font-size: 0.875rem; line-height: 1.7;
  margin-block: 2rem;
}
.post-content code {
  font-family: var(--font-mono); font-size: 0.85em;
  background-color: var(--muted); color: var(--foreground);
  padding: 0.15em 0.45em; border-radius: 0.3em;
}
.post-content pre code { background: none; padding: 0; color: inherit; font-size: 1em; }
.post-content img { border-radius: var(--radius-xl); margin-block: 2rem; }
.post-content hr { border: none; border-top: 1px solid var(--border); margin-block: 3rem; }
.post-content table { width: 100%; border-collapse: collapse; margin-block: 2rem; font-size: 0.9rem; }
.post-content th { background-color: var(--foreground); color: var(--background); padding: 0.75rem 1rem; text-align: left; font-weight: 700; }
.post-content td { padding: 0.75rem 1rem; border-bottom: 1px solid var(--border); }
.post-content tr:hover td { background-color: var(--muted); }

/* ─── Post Sidebar ──────────────────────────────────────────── */
.single-sidebar { display: flex; flex-direction: column; gap: 2rem; }
.sidebar-widget {
  border: 1px solid var(--border); border-radius: var(--radius-2xl);
  padding: 1.5rem; background-color: var(--card);
}
.sidebar-widget__title {
  font-family: var(--font-mono); font-size: 0.65rem; font-weight: 700;
  text-transform: uppercase; letter-spacing: 0.2em; color: var(--muted-foreground);
  margin-bottom: 1rem;
}
/* Table of Contents */
.toc-list { list-style: none; }
.toc-list li { border-bottom: 1px solid var(--border); }
.toc-list li:last-child { border-bottom: none; }
.toc-list a {
  display: block; padding: 0.5rem 0;
  font-size: 0.875rem; font-weight: 600; color: var(--muted-foreground);
  text-decoration: none; transition: color 0.15s, padding-left 0.15s;
}
.toc-list a:hover, .toc-list a.active { color: var(--foreground); padding-left: 0.5rem; }
.toc-list a.active { color: var(--accent); font-weight: 700; }
.toc-list .toc-h3 { padding-left: 0.75rem; font-size: 0.8125rem; }

/* Share buttons */
.share-buttons { display: flex; gap: 0.5rem; flex-wrap: wrap; }
.share-btn {
  display: inline-flex; align-items: center; gap: 0.375rem;
  padding: 0.5rem 0.875rem; border-radius: 9999px;
  font-size: 0.8rem; font-weight: 700;
  border: 1.5px solid var(--border); background-color: var(--card);
  color: var(--foreground); cursor: pointer; text-decoration: none;
  transition: all 0.2s;
}
.share-btn:hover { background-color: var(--foreground); color: var(--background); border-color: var(--foreground); }
.share-btn svg { width: 14px; height: 14px; }

/* ─── Author Bio ────────────────────────────────────────────── */
.author-bio {
  border: 1px solid var(--border); border-radius: var(--radius-3xl);
  padding: 2rem; background-color: var(--card);
  display: flex; gap: 1.5rem; align-items: flex-start;
  margin-top: 4rem;
}
.author-bio__avatar {
  width: 64px; height: 64px; border-radius: 50%; flex-shrink: 0;
  overflow: hidden; border: 3px solid var(--accent); background-color: var(--muted);
}
.author-bio__avatar img { width: 100%; height: 100%; object-fit: cover; }
.author-bio__name { font-size: 1.1rem; font-weight: 800; margin-bottom: 0.25rem; }
.author-bio__title { font-family: var(--font-mono); font-size: 0.7rem; font-weight: 600; text-transform: uppercase; letter-spacing: 0.15em; color: var(--muted-foreground); margin-bottom: 0.75rem; }
.author-bio__desc { font-size: 0.9rem; color: var(--muted-foreground); line-height: 1.65; }

/* ─── Post tags + share row ────────────────────────────────── */
.post-footer-row {
  display: flex; flex-wrap: wrap; align-items: center;
  justify-content: space-between; gap: 1rem;
  padding-block: 2rem;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  margin-block: 3rem;
}

/* ─── Related Posts ─────────────────────────────────────────── */
.related-section { margin-top: 5rem; padding-top: 3rem; border-top: 1px solid var(--border); }
.related-title { font-size: 1.75rem; font-weight: 800; letter-spacing: -0.03em; margin-bottom: 2rem; }
.related-grid {
  display: grid; gap: 1.25rem; grid-template-columns: 1fr;
}
@media (min-width: 640px) { .related-grid { grid-template-columns: repeat(3, 1fr); } }

/* ─── Comments ──────────────────────────────────────────────── */
.comments-section { margin-top: 5rem; padding-top: 3rem; border-top: 1px solid var(--border); }
.comments-title { font-size: 1.5rem; font-weight: 800; letter-spacing: -0.03em; margin-bottom: 2rem; }
.comment { display: flex; gap: 1rem; margin-bottom: 2rem; }
.comment__avatar { width: 44px; height: 44px; border-radius: 50%; overflow: hidden; flex-shrink: 0; background-color: var(--muted); }
.comment__avatar img { width: 100%; height: 100%; object-fit: cover; }
.comment__body { flex: 1; }
.comment__header { display: flex; align-items: baseline; gap: 0.75rem; margin-bottom: 0.5rem; }
.comment__author { font-weight: 700; font-size: 0.9375rem; }
.comment__date { font-family: var(--font-mono); font-size: 0.7rem; color: var(--muted-foreground); }
.comment__text { font-size: 0.9375rem; color: var(--muted-foreground); line-height: 1.7; }
.comment-form-wrap { margin-top: 3rem; }
.comment-form-title { font-size: 1.25rem; font-weight: 800; margin-bottom: 1.5rem; }
.comment-form input, .comment-form textarea {
  width: 100%; padding: 0.75rem 1rem;
  border: 1.5px solid var(--border); border-radius: var(--radius-lg);
  background-color: var(--card); font: inherit; font-size: 0.9375rem;
  color: var(--foreground); outline: none;
  transition: border-color 0.2s;
  margin-bottom: 1rem;
}
.comment-form input:focus, .comment-form textarea:focus { border-color: var(--foreground); }
.comment-form textarea { min-height: 140px; resize: vertical; }
.comment-form .btn { margin-top: 0.5rem; }