/* Progress Bar */
#reading-progress-container {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: transparent;
  z-index: 9999;
}
#reading-progress-bar {
  height: 100%;
  background: var(--gold-primary, #D4AF37);
  width: 0%;
  transition: width 0.1s ease;
}

/* Back to Top Button */
#back-to-top {
  position: fixed;
  bottom: 30px;
  right: 30px;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: #111111;
  color: #FFFFFF;
  display: flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  box-shadow: 0 4px 12px rgba(0,0,0,0.15);
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease;
  z-index: 9998;
  border: none;
  cursor: pointer;
}
#back-to-top.visible {
  opacity: 1;
  visibility: visible;
}
#back-to-top:hover {
  background: var(--gold-primary, #D4AF37);
  color: #111111;
  transform: translateY(-3px);
}
#back-to-top svg {
  width: 24px;
  height: 24px;
  fill: currentColor;
}

/* Reading Time */
.reading-time {
  font-size: 0.95rem;
  color: var(--text-muted, #666666);
  font-style: italic;
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  gap: 6px;
}
.reading-time svg {
  width: 16px;
  height: 16px;
  fill: currentColor;
}

/* Read Next Section */
.read-next-container {
  margin-top: 4rem;
  padding-top: 3rem;
  border-top: 1px solid var(--border-color, #EAEAEA);
}
.read-next-title {
  font-family: 'Playfair Display', serif;
  font-size: 1.8rem;
  color: var(--text-main, #111111);
  margin-bottom: 1.5rem;
}
.read-next-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
}
.read-next-card {
  display: block;
  text-decoration: none;
  background: #FAFAFA;
  border: 1px solid var(--border-color, #EAEAEA);
  border-radius: 8px;
  padding: 1.5rem;
  transition: all 0.2s ease;
}
.read-next-card:hover {
  border-color: var(--gold-primary, #D4AF37);
  box-shadow: 0 4px 15px rgba(0,0,0,0.05);
  transform: translateY(-2px);
}
.read-next-card h4 {
  font-size: 1.1rem;
  color: var(--text-main, #111111);
  margin-bottom: 0.5rem;
  font-family: 'Playfair Display', serif;
}
.read-next-card p {
  font-size: 0.9rem;
  color: var(--text-muted, #666666);
  margin-bottom: 0;
}