/* ============================================
   I Ching Wisdom - Blog Styles (Premium)
   ============================================ */

/* ---------- Blog Listing Page ---------- */
.blog-page { padding-top: 100px; min-height: 100vh; }
.blog-hero {
  text-align: center; padding: 72px 24px 48px;
  background: linear-gradient(180deg, rgba(200,164,92,0.04), transparent);
  border-bottom: 1px solid var(--glass-border); position: relative;
}
.blog-hero::after {
  content: ''; position: absolute; bottom: 0; left: 50%; transform: translateX(-50%);
  width: 120px; height: 2px;
  background: linear-gradient(90deg, transparent, var(--gold), transparent);
}
.blog-hero h1 {
  font-size: 2.8rem;
  background: linear-gradient(135deg, var(--gold-light), var(--gold));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
  margin-bottom: 12px; letter-spacing: 2px;
}
.blog-hero p { color: var(--text-secondary); font-size: 1.1rem; max-width: 600px; margin: 0 auto; }

.blog-list {
  max-width: 780px; margin: 0 auto; padding: 40px 24px 80px;
  display: flex; flex-direction: column;
}
.blog-list article {
  padding: 22px 0; border-bottom: 1px solid var(--glass-border);
  transition: all var(--transition);
}
.blog-list article:last-child { border-bottom: none; }
.blog-list article:hover { padding-left: 8px; }
.blog-list .list-category {
  font-size: 0.7rem; text-transform: uppercase; letter-spacing: 2px;
  color: var(--gold); font-weight: 700; margin-bottom: 6px; display: inline-block;
}
.blog-list .list-title {
  font-size: 1.2rem; font-weight: 600; margin-bottom: 6px; line-height: 1.4;
}
.blog-list .list-title a { color: var(--text-primary); }
.blog-list .list-title a:hover { color: var(--gold-light); }
.blog-list .list-excerpt {
  color: var(--text-secondary); font-size: 0.9rem; line-height: 1.55;
  margin-bottom: 8px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
}
.blog-list .list-meta { font-size: 0.78rem; color: var(--text-muted); }
.blog-list .list-meta span { margin-right: 16px; }

/* ---------- Single Blog Post ---------- */
.post-page { padding-top: 100px; }
.post-container { max-width: 820px; margin: 0 auto; padding: 0 24px 80px; }
.post-header { text-align: center; margin-bottom: 44px; }
.post-category {
  display: inline-block; font-size: 0.78rem; text-transform: uppercase;
  letter-spacing: 2.5px; color: var(--gold); margin-bottom: 14px; font-weight: 700;
}
.post-header h1 {
  font-size: 2.6rem; color: var(--text-primary); margin-bottom: 18px; line-height: 1.3;
}
.post-meta { display: flex; justify-content: center; gap: 28px; color: var(--text-muted); font-size: 0.9rem; }

.post-featured-image {
  height: 280px; background: linear-gradient(135deg, rgba(200,164,92,0.06), rgba(200,164,92,0.02));
  border-radius: var(--radius-lg); display: flex; align-items: center; justify-content: center;
  font-size: 5rem; margin-bottom: 44px;
  border: 1px solid var(--glass-border);
}

.post-content { color: var(--text-primary); font-size: 1.08rem; line-height: 1.95; }
.post-content h2 {
  font-size: 1.7rem;
  background: linear-gradient(135deg, var(--gold-light), var(--gold));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
  margin-top: 48px; margin-bottom: 18px; padding-bottom: 10px;
  border-bottom: 1px solid var(--glass-border);
}
.post-content h3 { font-size: 1.3rem; color: var(--gold-light); margin-top: 32px; margin-bottom: 14px; }
.post-content p { margin-bottom: 20px; color: var(--text-secondary); }
.post-content ul, .post-content ol { margin-bottom: 20px; padding-left: 26px; color: var(--text-secondary); }
.post-content li { margin-bottom: 10px; }
.post-content strong { color: var(--text-primary); }
.post-content blockquote {
  border-left: 3px solid var(--gold); padding: 18px 28px; margin: 28px 0;
  background: rgba(200,164,92,0.04); border-radius: 0 var(--radius-md) var(--radius-md) 0;
  color: var(--text-secondary); font-style: italic; font-size: 1.05rem;
}
.post-content .key-point {
  background: linear-gradient(135deg, rgba(200,164,92,0.08), rgba(200,164,92,0.03));
  border: 1px solid var(--glass-border); border-radius: var(--radius-md);
  padding: 22px 28px; margin: 28px 0;
}
.post-content .key-point strong { color: var(--gold-light); }
.post-content table { color: var(--text-secondary); }

/* ---------- Ad Container ---------- */
.ad-container { max-width: 820px; margin: 0 auto 48px; padding: 0 24px; }
.ad-slot {
  background: var(--glass-bg); backdrop-filter: blur(8px);
  border: 1px dashed var(--glass-border); border-radius: var(--radius-md);
  min-height: 90px; display: flex; align-items: center; justify-content: center;
  color: var(--text-muted); font-size: 0.75rem; text-transform: uppercase; letter-spacing: 3px;
}
.ad-inline { margin: 28px auto; }

/* ---------- Breadcrumb ---------- */
.breadcrumb { max-width: 820px; margin: 0 auto 28px; padding: 0 24px; font-size: 0.85rem; color: var(--text-muted); }
.breadcrumb a { color: var(--text-muted); }
.breadcrumb a:hover { color: var(--gold); }
.breadcrumb span { margin: 0 8px; opacity: 0.4; }

/* ---------- Related Posts ---------- */
.related-posts { max-width: 820px; margin: 0 auto; padding: 0 24px 72px; }
.related-posts h3 { font-size: 1.3rem; color: var(--gold); margin-bottom: 22px; text-align: center; }
.related-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 18px; }
.related-card {
  background: var(--glass-bg); backdrop-filter: blur(10px);
  border: 1px solid var(--glass-border); border-radius: var(--radius-md);
  padding: 22px; transition: all var(--transition); text-decoration: none; display: block;
}
.related-card:hover { border-color: var(--border-glow); transform: translateY(-4px); box-shadow: var(--shadow-glow); }
.related-card .related-emoji { font-size: 2rem; display: block; margin-bottom: 12px; }
.related-card h4 { font-size: 0.95rem; color: var(--text-primary); margin-bottom: 6px; }
.related-card p { font-size: 0.8rem; color: var(--text-muted); }

/* ---------- Newsletter ---------- */
.newsletter {
  background: linear-gradient(135deg, rgba(200,164,92,0.04), rgba(200,164,92,0.02), rgba(200,164,92,0.04));
  border-top: 1px solid var(--glass-border); border-bottom: 1px solid var(--glass-border);
  padding: 64px 24px; text-align: center; margin: 64px 0;
}
.newsletter h3 { font-size: 1.5rem; color: var(--gold-light); margin-bottom: 8px; }
.newsletter p { color: var(--text-secondary); margin-bottom: 22px; }
.newsletter-form { display: flex; max-width: 450px; margin: 0 auto; gap: 10px; }
.newsletter-form input {
  flex: 1; padding: 13px 18px;
  background: rgba(18,18,42,0.6); border: 1px solid var(--glass-border);
  border-radius: var(--radius-md); color: var(--text-primary); font-size: 0.95rem;
}
.newsletter-form input:focus { outline: none; border-color: var(--gold); }
.newsletter-form button {
  padding: 13px 26px; background: linear-gradient(135deg, var(--gold), var(--gold-dim));
  color: var(--bg-deep); border: none; border-radius: var(--radius-md);
  font-weight: 700; cursor: pointer; font-size: 0.9rem; transition: all var(--transition);
}
.newsletter-form button:hover { box-shadow: 0 0 20px var(--gold-glow); }

/* ---------- Static Pages ---------- */
.static-page { padding-top: 100px; }
.static-content { max-width: 780px; margin: 0 auto; padding: 0 24px 80px; }
.static-content h1 {
  font-size: 2.4rem;
  background: linear-gradient(135deg, var(--gold-light), var(--gold));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
  margin-bottom: 36px; text-align: center;
}
.static-content h2 { font-size: 1.4rem; color: var(--gold-light); margin-top: 36px; margin-bottom: 14px; }
.static-content p { color: var(--text-secondary); line-height: 1.9; margin-bottom: 18px; }
.static-content ul { color: var(--text-secondary); padding-left: 24px; margin-bottom: 18px; }
.static-content ul li { margin-bottom: 8px; }
.static-content a { color: var(--gold); }

/* ---------- Share Buttons ---------- */
.share-buttons {
  display: flex; justify-content: center; align-items: center; gap: 14px;
  margin-top: 36px; padding-top: 28px; border-top: 1px solid var(--glass-border);
}
.share-btn {
  width: 42px; height: 42px; border-radius: 50%;
  border: 1px solid var(--glass-border); background: var(--glass-bg);
  color: var(--text-secondary); font-size: 1rem; cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  transition: all var(--transition);
}
.share-btn:hover { border-color: var(--gold); color: var(--gold); background: rgba(200,164,92,0.1); }

/* ---------- Translation / Explanation Toolbar ---------- */
.lang-toolbar {
  position: sticky; top: 80px; z-index: 50;
  max-width: 820px; margin: 0 auto 20px; padding: 0 24px;
  display: flex; justify-content: flex-end; gap: 8px;
}
.lang-toolbar button {
  padding: 8px 18px; border-radius: 20px; border: 1px solid var(--glass-border);
  background: var(--glass-bg); backdrop-filter: blur(10px);
  color: var(--text-secondary); font-size: 0.82rem; font-weight: 600;
  cursor: pointer; letter-spacing: 1px;
  transition: all var(--transition); display: inline-flex; align-items: center; gap: 4px;
}
.lang-toolbar button:hover { border-color: var(--gold); color: var(--gold); }
.lang-toolbar button.active { background: rgba(200,164,92,0.18); border-color: var(--gold); color: var(--gold-light); }
.lang-toolbar .toolbar-hint {
  font-size: 0.7rem; color: var(--text-muted); display: block; text-align: right;
  margin-top: 4px; padding-right: 24px;
}

/* Chinese translation text */
.zh-text {
  display: none; color: var(--gold); font-size: 0.92rem;
  margin-top: 2px; padding: 4px 12px; border-left: 2px solid var(--gold-dim);
  font-family: 'STKaiti','KaiTi','Microsoft YaHei',serif;
}
.zh-text.visible { display: block; }

/* ---------- Explanation System ---------- */
/* Clickable term with popup */
.explain-term {
  border-bottom: 2px dotted var(--gold);
  cursor: pointer; position: relative; color: var(--gold-light);
  font-weight: 500; padding: 0 2px;
  transition: all 0.2s;
}
.explain-term::after {
  content: ' ⓘ'; font-size: 0.7rem; vertical-align: super; color: var(--gold-dim);
}
.explain-term:hover, .explain-term.active { background: rgba(200,164,92,0.12); border-color: var(--gold-light); }

/* Popup card */
.explain-pop {
  display: none; position: fixed; z-index: 2000;
  background: #1a1a2e; border: 2px solid var(--gold);
  border-radius: var(--radius-md); padding: 16px 20px;
  color: var(--text-primary); font-size: 0.88rem; line-height: 1.55;
  max-width: 360px; min-width: 220px;
  box-shadow: 0 8px 40px rgba(0,0,0,0.8), 0 0 20px rgba(200,164,92,0.15);
  white-space: normal; text-align: left;
}
.explain-pop .pop-zh {
  color: var(--gold-light); font-family: 'STKaiti','KaiTi','Microsoft YaHei',serif;
  font-size: 1.05rem; margin-bottom: 6px; display: block; font-weight: 700;
}
.explain-pop .pop-en { color: var(--text-secondary); font-size: 0.82rem; display: block; }
.explain-pop .pop-close {
  position: absolute; top: 4px; right: 10px;
  color: var(--text-muted); cursor: pointer; font-size: 1rem; background: none; border: none;
}
.explain-pop .pop-close:hover { color: var(--gold); }

/* Backdrop when popup is open */
.pop-backdrop {
  display: none; position: fixed; inset: 0; z-index: 1999;
  background: rgba(0,0,0,0.3);
}

/* Inline explanation block (visible when 解释 mode is ON) */
.explain-inline {
  display: none; margin: 2px 0 14px 0; padding: 12px 18px;
  background: rgba(200,164,92,0.06); border-left: 3px solid var(--gold-dim);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  font-size: 0.85rem; color: var(--text-secondary); line-height: 1.55;
}
.explain-inline.visible { display: block; }
.explain-inline .ei-zh { color: var(--gold-light); font-family: 'STKaiti','KaiTi','Microsoft YaHei',serif; font-weight: 600; }
.explain-inline .ei-en { color: var(--text-muted); display: block; margin-top: 4px; }

/* ---------- Responsive ---------- */
@media (max-width: 768px) {
  .post-header h1 { font-size: 1.9rem; }
  .post-content { font-size: 0.98rem; }
  .post-featured-image { height: 200px; font-size: 3.5rem; }
  .blog-list { padding: 24px 16px 60px; }
  .blog-hero h1 { font-size: 2rem; }
  .related-grid { grid-template-columns: 1fr; }
  .lang-toolbar { top: 72px; justify-content: center; }
   .explain-pop { max-width: 280px; left: 50% !important; transform: translateX(-50%) !important; top: 120px !important; }
   .explain-term::after { content: ''; }
}