/* ═══════════════════════════════════════════════════════════════
   ছাত্রকন্ঠ — Post Detail Page
   post_detail.css
═══════════════════════════════════════════════════════════════ */

/* ── Layout ── */
.ck-detail-layout {
  display: grid;
  grid-template-columns: 1fr 300px;
  gap: 3rem;
  padding: 2.5rem 0 4rem;
  align-items: start;
}
.ck-detail-article { min-width: 0; }
.ck-detail-sidebar {
  position: sticky;
  top: 54px;
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

/* ── Breadcrumb ── */
.ck-breadcrumb {
  display: flex;
  align-items: center;
  gap: .5rem;
  font-size: .72rem;
  color: var(--ck-ink-faint);
  font-family: var(--ck-font-ui);
  margin-bottom: 1.5rem;
}
.ck-breadcrumb a { color: var(--ck-ink-muted); transition: color var(--ck-transition); }
.ck-breadcrumb a:hover { color: var(--ck-accent); }
.ck-breadcrumb__sep { color: var(--ck-border-dark); }

/* ── Article header ── */
.ck-article-header { margin-bottom: 1.75rem; }
.ck-article-header__tags { display: flex; flex-wrap: wrap; gap: .35rem; margin-bottom: .9rem; }
.ck-article-header__title {
  font-family: var(--ck-font-display);
  font-size: clamp(1.6rem, 3.5vw, 2.6rem);
  font-weight: 700;
  line-height: 1.2;
  color: var(--ck-ink);
  margin-bottom: 1rem;
}
.ck-article-header__excerpt {
  font-family: var(--ck-font-serif);
  font-size: 1.05rem;
  color: var(--ck-ink-muted);
  line-height: 1.8;
  border-left: 3px solid var(--ck-accent);
  padding-left: 1.1rem;
  margin-bottom: 1.25rem;
}
.ck-article-header__meta { margin-bottom: 1.5rem; }

/* Share bar */
.ck-article-share {
  display: flex;
  align-items: center;
  gap: .6rem;
  padding: .9rem 0;
  border-top: 1px solid var(--ck-border);
  border-bottom: 1px solid var(--ck-border);
  margin-bottom: 1.75rem;
}
.ck-article-share__label {
  font-size: .68rem;
  font-weight: 700;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--ck-ink-faint);
  font-family: var(--ck-font-ui);
  margin-right: .25rem;
}
.ck-share-btn {
  display: inline-flex;
  align-items: center;
  gap: .4rem;
  padding: .35rem .8rem;
  border: 1px solid var(--ck-border);
  border-radius: 99px;
  font-size: .72rem;
  font-family: var(--ck-font-ui);
  color: var(--ck-ink-soft);
  background: #fff;
  transition: all var(--ck-transition);
}
.ck-share-btn:hover { border-color: var(--ck-border-dark); background: var(--ck-paper-warm); }
.ck-share-btn svg { width: 13px; height: 13px; }
.ck-share-btn--copy.is-copied { color: #16a34a; border-color: #16a34a; }

/* ── Cover image ── */
.ck-article-cover {
  width: 100%;
  border-radius: var(--ck-radius-md);
  overflow: hidden;
  aspect-ratio: 16/9;
  background: var(--ck-paper-mid);
  margin-bottom: 1.75rem;
}
.ck-article-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.ck-article-cover__caption {
  font-size: .72rem;
  color: var(--ck-ink-faint);
  text-align: center;
  padding: .5rem 0 0;
  font-family: var(--ck-font-ui);
  font-style: italic;
}

/* ── Article body typography ── */
.ck-article-body {
  font-family: var(--ck-font-serif);
  font-size: 1.02rem;
  line-height: 1.9;
  color: var(--ck-ink-soft);
}
.ck-article-body p { margin-bottom: 1.4em; }
.ck-article-body h2 {
  font-family: var(--ck-font-display);
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--ck-ink);
  margin: 2em 0 .75em;
  line-height: 1.3;
}
.ck-article-body h3 {
  font-family: var(--ck-font-display);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--ck-ink);
  margin: 1.6em 0 .6em;
}
.ck-article-body blockquote {
  border-left: 3px solid var(--ck-accent);
  padding: .75rem 1.25rem;
  margin: 1.75em 0;
  background: var(--ck-paper-warm);
  border-radius: 0 var(--ck-radius) var(--ck-radius) 0;
  font-size: 1.05rem;
  color: var(--ck-ink-muted);
  font-style: italic;
}
.ck-article-body ul,
.ck-article-body ol {
  margin: 1em 0 1.4em 1.5rem;
  list-style: disc;
}
.ck-article-body ol { list-style: decimal; }
.ck-article-body li { margin-bottom: .4em; }
.ck-article-body a {
  color: var(--ck-accent);
  text-decoration: underline;
  text-decoration-color: rgba(181,39,29,.3);
  transition: text-decoration-color var(--ck-transition);
}
.ck-article-body a:hover { text-decoration-color: var(--ck-accent); }
.ck-article-body strong { color: var(--ck-ink); font-weight: 700; }
.ck-article-body em { font-style: italic; }
.ck-article-body img {
  border-radius: var(--ck-radius-md);
  margin: 1.5em 0;
}

/* ── Article footer ── */
.ck-article-footer {
  margin-top: 2.5rem;
  padding-top: 1.75rem;
  border-top: 1px solid var(--ck-border);
}
.ck-article-footer__tags { display: flex; flex-wrap: wrap; gap: .4rem; margin-bottom: 1.5rem; }
.ck-article-footer__author-card {
  display: flex;
  align-items: center;
  gap: 1.1rem;
  padding: 1.25rem;
  background: var(--ck-paper-warm);
  border-radius: var(--ck-radius-md);
  border: 1px solid var(--ck-border);
}
.ck-article-footer__author-avatar {
  width: 52px; height: 52px;
  border-radius: 50%;
  object-fit: cover;
  flex-shrink: 0;
  background: var(--ck-paper-mid);
}
.ck-article-footer__author-placeholder {
  width: 52px; height: 52px;
  border-radius: 50%;
  background: var(--ck-border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--ck-ink-muted);
  flex-shrink: 0;
}
.ck-article-footer__author-name {
  font-family: var(--ck-font-ui);
  font-size: .88rem;
  font-weight: 700;
  color: var(--ck-ink);
  margin-bottom: .25rem;
}
.ck-article-footer__author-bio {
  font-size: .78rem;
  color: var(--ck-ink-muted);
  line-height: 1.6;
}

/* ── Related posts ── */
.ck-related { margin-top: 3rem; }
.ck-related__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  margin-top: 1.25rem;
}

/* Responsive */
@media (max-width: 1060px) {
  .ck-detail-layout { grid-template-columns: 1fr; }
  .ck-detail-sidebar { position: static; order: 10; }
  .ck-related__grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 640px) {
  .ck-article-header__title { font-size: 1.5rem; }
  .ck-related__grid { grid-template-columns: 1fr; }
  .ck-detail-layout { padding: 1.25rem 0 2.5rem; }
}