/* ===== ARTICLE CSS – dùng riêng cho bai-viet.html ===== */

/* Nav donate button */
.nav-donate {
  background: var(--p-ochre);
  color: #fff !important;
  padding: 6px 16px !important;
  border-radius: 50px;
  border-bottom: none !important;
  font-size: .82rem !important;
}
.nav-donate:hover { background: #A87E2A !important; }

/* Breadcrumb */
.breadcrumb-bar {
  background: var(--white);
  border-bottom: 1px solid var(--border);
  padding: 10px 0;
  margin-top: 64px;
}
.breadcrumb {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  align-items: center;
  font-size: .78rem;
  color: var(--muted);
}
.breadcrumb li + li::before { content: '›'; margin-right: 4px; color: var(--border); }
.breadcrumb a { color: var(--muted); transition: .15s; }
.breadcrumb a:hover { color: var(--p-terra); }
.breadcrumb li:last-child { color: var(--text); font-weight: 500; }

/* Article hero */
.article-hero {
  background:
    radial-gradient(ellipse at 10% 80%, rgba(74,110,150,.25) 0%, transparent 50%),
    radial-gradient(ellipse at 90% 20%, rgba(184,92,56,.2) 0%, transparent 50%),
    #1E1208;
  padding: 48px 0 52px;
  color: white;
}
.article-meta-top {
  display: flex; align-items: center; gap: 14px; margin-bottom: 20px;
}
.article-read-time { font-size: .78rem; color: rgba(255,255,255,.5); }
.article-hero h1 {
  font-family: 'Playfair Display', serif;
  font-size: clamp(1.6rem, 4vw, 2.6rem);
  line-height: 1.25;
  margin-bottom: 0;
  color: #fff;
  max-width: 820px;
  margin-bottom: 18px;
}
.article-lead {
  font-size: 1rem;
  color: rgba(255,255,255,.72);
  line-height: 1.8;
  max-width: 700px;
  margin-bottom: 28px;
}
.article-author-row {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
}
/* Khi tác giả hiển thị cuối bài (nền sáng) */
.article-author-bottom {
  padding: 20px 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  margin-bottom: 20px;
}
.article-author-bottom .author-name { color: var(--text); }
.article-author-bottom .article-date { color: var(--muted); }
.article-author-bottom .author-avatar { background: var(--p-ochre); }
.author-avatar {
  width: 38px; height: 38px;
  border-radius: 50%;
  background: var(--p-ochre);
  color: #fff;
  display: flex; align-items: center; justify-content: center;
  font-weight: 700; font-size: .9rem;
  flex-shrink: 0;
}
.author-name {
  font-size: .88rem;
  font-weight: 600;
  color: rgba(255,255,255,.85);
  display: block;
}
.article-date {
  font-size: .76rem;
  color: rgba(255,255,255,.45);
  display: block;
}

/* Share buttons */
.share-row {
  display: flex; gap: 8px; flex-wrap: wrap; margin-left: auto;
}
.share-btn {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 7px 14px; border-radius: 8px;
  font-size: .78rem; font-weight: 600;
  transition: .2s; cursor: pointer; border: none;
  text-decoration: none;
}
.share-btn.fb    { background: #1a4a8a; color: #fff; }
.share-btn.fb:hover { background: #1557b0; }
.share-btn.zalo  { background: #006AF5; color: #fff; }
.share-btn.zalo:hover { background: #0058d0; }
.share-btn.copy  { background: rgba(255,255,255,.12); color: rgba(255,255,255,.8); border: 1px solid rgba(255,255,255,.2); }
.share-btn.copy:hover { background: rgba(255,255,255,.2); color: #fff; }

/* Article layout */
.article-main { padding: 52px 0 0; background: var(--cream); }
.article-layout {
  display: grid;
  grid-template-columns: 1fr 300px;
  gap: 40px;
  align-items: start;
}

/* Article body text */
.article-body {
  background: var(--white);
  border-radius: 14px;
  padding: 40px 44px;
  border: 1px solid var(--border);
  font-size: .95rem;
  line-height: 1.85;
  color: #3A2A18;
}
.article-first::first-letter {
  font-family: 'Playfair Display', serif;
  font-size: 3.5rem;
  font-weight: 700;
  color: var(--p-terra);
  float: left;
  line-height: .85;
  margin: 4px 10px 0 0;
}
.article-body p { margin-bottom: 20px; }
.article-body h2 {
  font-family: 'Playfair Display', serif;
  font-size: 1.35rem;
  color: var(--text);
  margin: 36px 0 14px;
  padding-left: 16px;
  border-left: 3px solid var(--p-ochre);
}
.article-body h3 {
  font-size: 1.05rem; font-weight: 700;
  margin: 28px 0 12px;
  color: var(--text);
}
.article-body ul, .article-body ol {
  padding-left: 22px;
  margin-bottom: 20px;
}
.article-body li { margin-bottom: 8px; }
.article-body strong { color: var(--text); }
.article-body em { font-style: italic; color: var(--p-sienna); }
.article-body a { color: var(--p-indigo); border-bottom: 1px solid rgba(74,110,150,.3); transition: .2s; }
.article-body a:hover { color: var(--p-terra); border-color: var(--p-terra); }

/* Pull quote */
.article-quote {
  border-left: 4px solid var(--p-ochre);
  margin: 28px 0;
  padding: 18px 24px;
  background: #FBF5E8;
  border-radius: 0 10px 10px 0;
  font-style: italic;
  color: #4A3520;
  font-size: 1rem;
  line-height: 1.75;
}
.article-quote cite {
  display: block;
  font-size: .78rem;
  font-style: normal;
  color: var(--muted);
  margin-top: 10px;
  font-weight: 600;
}

/* Highlight box */
.article-highlight {
  background: #EDF5F0;
  border: 1px solid #A8D4B5;
  border-radius: 10px;
  padding: 18px 22px;
  margin: 28px 0;
  font-size: .9rem;
  line-height: 1.8;
}

/* Article tags */
.article-tags {
  display: flex; flex-wrap: wrap; gap: 8px; align-items: center;
  margin: 32px 0 28px;
  padding-top: 24px;
  border-top: 1px solid var(--border);
  font-size: .8rem; color: var(--muted);
}
.article-tag {
  padding: 4px 12px; border-radius: 20px;
  background: var(--cream); border: 1px solid var(--border);
  font-size: .76rem; font-weight: 600; color: var(--muted);
  transition: .2s;
}
.article-tag:hover { background: var(--p-ochre); color: #fff; border-color: var(--p-ochre); }

/* Share block bottom */
.share-block {
  background: var(--cream);
  border-radius: 12px;
  padding: 24px;
  text-align: center;
  border: 1px solid var(--border);
}
.share-block p { margin-bottom: 16px; font-weight: 600; font-size: .9rem; }
.share-block .share-row { justify-content: center; }
.share-block .share-btn.copy { background: var(--cream-dk); color: var(--muted); border-color: var(--border); }

/* ===== AFFILIATE BANNERS ===== */
.affiliate-banner {
  border-radius: 10px;
  border: 1px dashed var(--border);
  overflow: hidden;
  background: var(--cream);
  transition: .2s;
}
.affiliate-banner:hover { border-color: var(--p-ochre); box-shadow: var(--shadow); }
.aff-label {
  font-size: .68rem; font-weight: 700; text-transform: uppercase; letter-spacing: .1em;
  color: var(--muted); padding: 6px 14px 4px; background: var(--cream-dk);
  border-bottom: 1px solid var(--border);
}

/* Inline banner (nằm ngang trong bài) */
.inline-banner { margin: 28px 0; }
.aff-book-row {
  display: flex; align-items: center; gap: 16px;
  padding: 14px 18px; text-decoration: none; color: inherit;
}
.aff-book-row:hover { background: #FBF5E8; }
.aff-book-icon { font-size: 2rem; flex-shrink: 0; }
.aff-book-info { flex: 1; }
.aff-book-info strong { display: block; font-size: .88rem; font-weight: 700; color: var(--text); margin-bottom: 3px; }
.aff-book-info span  { font-size: .78rem; color: var(--muted); line-height: 1.5; }
.aff-cta {
  flex-shrink: 0; font-size: .78rem; font-weight: 700;
  color: var(--p-terra); white-space: nowrap;
}

/* Sidebar banner */
.sidebar-banner { margin-bottom: 20px; }
.sidebar-banner a { display: block; text-decoration: none; }
.sidebar-banner a:hover .sidebar-book-cover { font-size: 4rem; }
.sidebar-book-cover {
  height: 110px; display: flex; align-items: center; justify-content: center;
  font-size: 3.2rem; background: var(--cream-dk); transition: .3s;
}
.sidebar-book-body { padding: 14px; }
.sidebar-book-title { font-size: .88rem; font-weight: 700; color: var(--text); margin-bottom: 3px; }
.sidebar-book-sub   { font-size: .76rem; color: var(--muted); margin-bottom: 10px; }

/* ===== SIDEBAR ===== */
.article-sidebar { position: sticky; top: 80px; }

.sidebar-donate {
  background: linear-gradient(135deg, #1E1208, #2d1a0d);
  border-radius: 14px;
  padding: 24px;
  text-align: center;
  margin-bottom: 20px;
  color: white;
}
.sidebar-donate-icon { font-size: 2rem; margin-bottom: 12px; }
.sidebar-donate h4 { font-size: .95rem; font-weight: 700; margin-bottom: 8px; color: #F6D99A; }
.sidebar-donate p { font-size: .8rem; color: rgba(255,255,255,.6); line-height: 1.65; margin-bottom: 16px; }

.sidebar-related {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 18px 20px;
  margin-bottom: 20px;
}
.sidebar-related h4 {
  font-size: .82rem; font-weight: 700; text-transform: uppercase;
  letter-spacing: .1em; color: var(--muted); margin-bottom: 14px;
}
.sidebar-related ul { list-style: none; }
.sidebar-related li { margin-bottom: 10px; border-bottom: 1px solid var(--border); padding-bottom: 10px; }
.sidebar-related li:last-child { margin: 0; border: none; padding: 0; }
.sidebar-related a { font-size: .84rem; font-weight: 500; color: var(--text); line-height: 1.45; transition: .2s; }
.sidebar-related a:hover { color: var(--p-terra); }

/* ===== COMMENTS ===== */
.comments-section { background: var(--cream); padding: 56px 0; }
.comments-title {
  font-family: 'Playfair Display', serif;
  font-size: 1.5rem;
  margin-bottom: 32px;
  padding-bottom: 16px;
  border-bottom: 2px solid var(--border);
}
.comments-title span { font-size: 1rem; color: var(--muted); font-family: 'Be Vietnam Pro', sans-serif; }

.comment-list { margin-bottom: 40px; }
.comment-item {
  display: flex; gap: 14px; margin-bottom: 24px;
  padding-bottom: 24px; border-bottom: 1px solid var(--border);
}
.comment-item:last-child { border-bottom: none; }
.comment-avatar {
  flex-shrink: 0; width: 40px; height: 40px; border-radius: 50%;
  background: var(--p-terra); color: #fff;
  display: flex; align-items: center; justify-content: center;
  font-weight: 700; font-size: .9rem;
}
.comment-body { flex: 1; }
.comment-header { display: flex; align-items: baseline; gap: 10px; margin-bottom: 8px; }
.comment-author { font-size: .88rem; font-weight: 700; }
.comment-date   { font-size: .74rem; color: var(--muted); }
.comment-body p { font-size: .88rem; color: #4A3520; line-height: 1.75; margin: 0; }
.comment-reply-btn {
  background: none; border: none; cursor: pointer;
  font-size: .74rem; color: var(--muted); font-family: 'Be Vietnam Pro', sans-serif;
  margin-top: 8px; padding: 0; transition: .15s;
}
.comment-reply-btn:hover { color: var(--p-terra); }

/* Comment form */
.comment-form-wrap {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 32px 36px;
}
.comment-form-wrap h3 {
  font-family: 'Playfair Display', serif;
  font-size: 1.25rem; margin-bottom: 8px;
}
.comment-note {
  font-size: .8rem; color: var(--muted); line-height: 1.65; margin-bottom: 24px;
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-bottom: 16px; }
.form-group { display: flex; flex-direction: column; gap: 6px; margin-bottom: 16px; }
.form-group label { font-size: .82rem; font-weight: 600; color: var(--text); }
.form-group label span { color: var(--p-terra); }
.form-group input,
.form-group textarea {
  padding: 11px 14px;
  border: 1.5px solid var(--border);
  border-radius: 8px;
  font-family: 'Be Vietnam Pro', sans-serif;
  font-size: .9rem;
  color: var(--text);
  background: var(--cream);
  transition: .2s;
  resize: vertical;
}
.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--p-indigo);
  background: var(--white);
  box-shadow: 0 0 0 3px rgba(74,110,150,.1);
}
.form-check {
  display: flex; gap: 8px; align-items: center;
  margin-bottom: 20px; font-size: .82rem; color: var(--muted);
}
.form-check input { width: auto; }

/* Responsive article */
@media (max-width: 960px) {
  .article-layout { grid-template-columns: 1fr; }
  .article-sidebar { position: static; display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
  .sidebar-related { grid-column: 1/-1; }
  .article-body { padding: 28px 26px; }
  .share-row { margin-left: 0; margin-top: 12px; }
  .article-author-row { gap: 10px; }
}
@media (max-width: 640px) {
  .article-body { padding: 22px 18px; }
  .article-body h2 { font-size: 1.2rem; }
  .article-sidebar { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .comment-form-wrap { padding: 22px 18px; }
  .aff-book-row { flex-direction: column; align-items: flex-start; gap: 10px; }
}