/* ===== STATS ROW ===== */
.stats-row {
  display: flex;
  gap: 1.5rem;
  flex-wrap: wrap;
  margin: 1.25rem 0;
}

.stat-item {
  display: flex;
  flex-direction: column;
  gap: 0.1rem;
}

.stat-value {
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--color-gold);
  line-height: 1;
}

.stat-label {
  font-size: 0.75rem;
  color: var(--color-muted);
  font-weight: 400;
}

/* ===== SECTION HEADER ===== */
.section-header {
  display: flex;
  align-items: baseline;
  gap: 0.75rem;
  margin-bottom: 1rem;
}

.section-title {
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-ink);
}

.section-count {
  font-size: 0.78rem;
  color: var(--color-muted);
}

/* ===== CARD GRID ===== */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 0.875rem;
  margin-bottom: 2rem;
}

.card-grid-2 {
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
}

/* ===== CONCEPT CARD ===== */
.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 1rem 1.1rem;
  transition: all var(--transition);
  text-decoration: none;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  cursor: pointer;
  position: relative;
  overflow: hidden;
}

.card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--card-accent, var(--color-gold));
  opacity: 0;
  transition: opacity var(--transition);
}

.card:hover {
  box-shadow: var(--shadow-md);
  border-color: var(--card-accent, var(--color-gold));
  transform: translateY(-1px);
  text-decoration: none;
}

.card:hover::before { opacity: 1; }

.card-title {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--color-ink);
  line-height: 1.3;
}

.card-summary {
  font-size: 0.8rem;
  color: var(--color-muted);
  line-height: 1.5;
  flex: 1;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 0.25rem;
}

.card-tags {
  display: flex;
  gap: 0.3rem;
  flex-wrap: wrap;
}

.card-ref {
  font-size: 0.72rem;
  color: var(--color-muted);
  white-space: nowrap;
}

/* ===== TAGS ===== */
.tag {
  display: inline-flex;
  align-items: center;
  padding: 0.15rem 0.5rem;
  border-radius: 20px;
  font-size: 0.7rem;
  font-weight: 500;
  white-space: nowrap;
}

.tag-core     { background: var(--color-core-bg);     color: var(--color-core);     }
.tag-practice { background: var(--color-practice-bg); color: var(--color-practice); }
.tag-metaphor { background: var(--color-metaphor-bg); color: var(--color-metaphor); }
.tag-event    { background: var(--color-event-bg);    color: var(--color-event);    }
.tag-person   { background: var(--color-person-bg);   color: var(--color-person);   }
.tag-work     { background: var(--color-work-bg);     color: var(--color-work);     }
.tag-overview { background: var(--color-overview-bg); color: var(--color-overview); }
.tag-popular  { background: var(--color-popular-bg);  color: var(--color-popular);  }
.tag-default  { background: var(--color-border-light); color: var(--color-muted);  }

/* ===== BREADCRUMB ===== */
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.78rem;
  color: var(--color-muted);
  margin-bottom: 1.25rem;
  flex-wrap: wrap;
}

.breadcrumb a {
  color: var(--color-muted);
  text-decoration: none;
}

.breadcrumb a:hover { color: var(--color-gold); text-decoration: none; }

.breadcrumb-sep { color: var(--color-border); }
.breadcrumb-current { color: var(--color-ink-light); }

/* ===== PAGE HEADER ===== */
.page-header {
  margin-bottom: 1.75rem;
  padding-bottom: 1.25rem;
  border-bottom: 1px solid var(--color-border-light);
}

.page-header-meta {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 0.6rem;
  flex-wrap: wrap;
}

.page-header h1 {
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--color-ink);
  margin-bottom: 0.5rem;
}

.date-badge {
  font-size: 0.72rem;
  color: var(--color-muted);
  background: var(--color-border-light);
  padding: 0.15rem 0.5rem;
  border-radius: 20px;
}

/* ===== CALLOUT BOXES ===== */
.callout {
  padding: 1rem 1.25rem;
  border-radius: var(--radius-md);
  margin: 1.25rem 0;
}

.callout-title {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  margin-bottom: 0.4rem;
}

.callout-body {
  font-size: 0.9rem;
  line-height: 1.65;
}

.callout-plain {
  background: var(--color-gold-bg);
  border-left: 3px solid var(--color-gold);
}

.callout-plain .callout-title { color: var(--color-gold); }

.callout-example {
  background: #f5f8ff;
  border-left: 3px solid #6b8cda;
}

.callout-example .callout-title { color: #4a6bb5; }

/* ===== ARTICLE BODY ===== */
.article-body h2 {
  font-size: 1.15rem;
  font-weight: 600;
  margin-top: 2rem;
  margin-bottom: 0.75rem;
  padding-bottom: 0.4rem;
  border-bottom: 1px solid var(--color-border-light);
  color: var(--color-ink);
}

.article-body h3 {
  font-size: 1rem;
  font-weight: 600;
  margin-top: 1.5rem;
  margin-bottom: 0.5rem;
  color: var(--color-ink-light);
}

/* ===== RELATED CONCEPTS ===== */
.related-section {
  margin-top: 2.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--color-border-light);
}

.related-title {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 0.875rem;
}

.related-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 0.625rem;
}

.related-card {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.5rem 0.75rem;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  font-size: 0.82rem;
  color: var(--color-ink-light);
  text-decoration: none;
  transition: all var(--transition);
}

.related-card:hover {
  border-color: var(--color-gold);
  color: var(--color-gold);
  background: var(--color-gold-bg);
  text-decoration: none;
}

.related-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  flex-shrink: 0;
}

/* ===== PREV/NEXT NAV ===== */
.page-nav {
  display: flex;
  gap: 1rem;
  margin-top: 2.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--color-border-light);
}

.page-nav-item {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
  padding: 0.75rem 1rem;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  text-decoration: none;
  transition: all var(--transition);
  min-width: 0;
}

.page-nav-item:hover {
  border-color: var(--color-gold);
  background: var(--color-gold-bg);
  text-decoration: none;
}

.page-nav-item.next { text-align: right; }

.page-nav-label {
  font-size: 0.7rem;
  color: var(--color-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.page-nav-title {
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--color-ink-light);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.page-nav-item:hover .page-nav-title { color: var(--color-gold); }

/* ===== SEARCH ===== */
.search-bar-wrapper {
  position: relative;
  margin-bottom: 1.5rem;
}

.search-bar-wrapper input {
  width: 100%;
  padding: 0.75rem 1rem 0.75rem 2.75rem;
  font-size: 1rem;
  border: 2px solid var(--color-border);
  border-radius: var(--radius-lg);
  background: var(--color-surface);
  color: var(--color-ink);
  outline: none;
  transition: border-color var(--transition), box-shadow var(--transition);
}

.search-bar-wrapper input:focus {
  border-color: var(--color-gold);
  box-shadow: 0 0 0 3px rgba(184,134,11,0.12);
}

.search-bar-icon {
  position: absolute;
  left: 0.875rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--color-muted);
  font-size: 1rem;
}

.search-results-count {
  font-size: 0.82rem;
  color: var(--color-muted);
  margin-bottom: 1rem;
}

.search-result-card {
  display: block;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 1rem 1.25rem;
  margin-bottom: 0.75rem;
  text-decoration: none;
  transition: all var(--transition);
}

.search-result-card:hover {
  border-color: var(--color-gold);
  box-shadow: var(--shadow-sm);
  text-decoration: none;
}

.search-result-title {
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-ink);
  margin-bottom: 0.35rem;
}

.search-result-excerpt {
  font-size: 0.82rem;
  color: var(--color-muted);
  line-height: 1.55;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

mark {
  background: rgba(184,134,11,0.2);
  color: inherit;
  padding: 0;
}

.search-empty {
  text-align: center;
  padding: 3rem 1rem;
  color: var(--color-muted);
}

.search-empty-icon { font-size: 2.5rem; margin-bottom: 0.75rem; }
.search-empty-text { font-size: 0.9rem; }

/* ===== HERO ===== */
.hero {
  padding: 1.5rem 0 1.25rem;
}

.hero-eyebrow {
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--color-gold);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 0.4rem;
}

.hero-title {
  font-size: 2rem;
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 0.5rem;
  font-family: var(--font-serif);
}

.hero-subtitle {
  font-size: 0.9rem;
  color: var(--color-muted);
  line-height: 1.6;
  max-width: 480px;
}

/* ===== DIVIDER ===== */
.divider {
  height: 1px;
  background: var(--color-border-light);
  margin: 1.5rem 0;
}

/* ===== SITE FOOTER ===== */
.site-footer {
  margin-top: 4rem;
  border-top: 1px solid var(--color-border);
  background: var(--color-surface);
  padding: 2.5rem 2.5rem 2rem;
  max-width: 860px;
}

.site-footer-inner {
  display: flex;
  align-items: center;
  gap: 2rem;
  flex-wrap: wrap;
}

.site-footer-qr img {
  width: 96px;
  height: 96px;
  border-radius: var(--radius-md);
  display: block;
  border: 1px solid var(--color-border);
}

.site-footer-text {
  flex: 1;
  min-width: 200px;
}

.site-footer-name {
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-ink);
  margin-bottom: 0.3rem;
}

.site-footer-desc {
  font-size: 0.82rem;
  color: var(--color-muted);
  line-height: 1.65;
  margin-bottom: 0.75rem;
}

.site-footer-scan {
  font-size: 0.75rem;
  color: var(--color-muted);
  display: flex;
  align-items: center;
  gap: 0.3rem;
}

.site-footer-scan::before {
  content: '';
  display: inline-block;
  width: 14px;
  height: 14px;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%236b6b6b' stroke-width='2'%3E%3Crect x='3' y='3' width='7' height='7'/%3E%3Crect x='14' y='3' width='7' height='7'/%3E%3Crect x='3' y='14' width='7' height='7'/%3E%3Cpath d='M14 14h3v3M17 17h3v3M14 20h3'/%3E%3C/svg%3E");
  background-size: contain;
  background-repeat: no-repeat;
  flex-shrink: 0;
}

.site-footer-copy {
  margin-top: 1.5rem;
  padding-top: 1rem;
  border-top: 1px solid var(--color-border-light);
  font-size: 0.72rem;
  color: var(--color-muted);
  text-align: center;
}

@media (max-width: 600px) {
  .site-footer {
    padding: 2rem 1rem 1.5rem;
  }
  .site-footer-inner {
    flex-direction: column;
    align-items: flex-start;
    gap: 1.25rem;
  }
}

/* ===== RESPONSIVE ===== */
@media (max-width: 600px) {
  .card-grid {
    grid-template-columns: 1fr;
  }

  .related-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .page-nav {
    flex-direction: column;
  }

  .hero-title { font-size: 1.5rem; }

  .stats-row { gap: 1rem; }
  .stat-value { font-size: 1.3rem; }
}