/* Premium teaser — scrollable excerpt with fade overlay */
.premium-teaser {
  position: relative;
  max-height: 60vh;
  overflow: hidden;
}

.premium-fade {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 12rem;
  background: linear-gradient(to bottom, transparent, var(--bg, #f8f5f0));
  pointer-events: none;
}

/* Theme-aware fade */
.theme-dark .premium-fade,
.theme-sepia .premium-fade {
  background: linear-gradient(to bottom, transparent, var(--bg));
}

/* Premium gate CTA */
.premium-gate {
  text-align: center;
  padding: 2rem 1rem 4rem;
  max-width: 400px;
  margin: 0 auto;
}

.premium-gate-title {
  font-size: 1.3rem;
  font-weight: normal;
  letter-spacing: 0.03em;
  margin-bottom: 0.5rem;
}

.premium-gate-description {
  font-size: 0.9rem;
  color: #a89f96;
  margin-bottom: 1.5rem;
}

.premium-gate-pricing {
  font-size: 0.85rem;
  color: #a89f96;
  margin-bottom: 1.5rem;
  letter-spacing: 0.02em;
}

.premium-gate-pricing span {
  font-weight: bold;
  color: var(--text, #1c1917);
}

.premium-gate-btn {
  display: inline-block;
  font-family: Georgia, 'Times New Roman', serif;
  font-size: 0.85rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 0.7rem 2rem;
  border: 1px solid #1c1917;
  background: #1c1917;
  color: #f8f5f0;
  text-decoration: none;
  cursor: pointer;
  transition: opacity 0.15s;
}

.premium-gate-btn:hover {
  opacity: 0.85;
}

.theme-dark .premium-gate-btn {
  border-color: #f8f5f0;
  background: #f8f5f0;
  color: #1c1917;
}

.premium-gate-login {
  margin-top: 1rem;
  font-size: 0.8rem;
  color: #a89f96;
}

.premium-gate-login a {
  color: #a89f96;
  text-decoration: underline;
}

.premium-gate-login a:hover {
  color: var(--text, #1c1917);
}

/* TOC access icon column (lock/unlock for premium) */
.toc-access-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 1.4rem;
  flex-shrink: 0;
}

.lock-icon {
  width: 14px;
  height: 14px;
  fill: none;
  stroke: var(--fg-muted, #7a6f63);
  stroke-width: 2;
  vertical-align: middle;
}

.lock-icon-open {
  stroke: var(--book-accent, #8a817a);
  opacity: 0.6;
}