/* ============================================
   Episode Page
   ============================================ */

.episode-hero {
  position: relative;
  min-height: 70vh;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: var(--space-16) 0;
  overflow: hidden;
}

.episode-hero-image {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
}

.episode-hero-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: sepia(20%) saturate(80%) contrast(110%) brightness(0.6);
}

.episode-hero-image::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 70%;
  background: linear-gradient(
    to top,
    var(--color-bg) 0%,
    rgba(26, 22, 18, 0.8) 50%,
    transparent 100%
  );
}

.episode-hero-content {
  position: relative;
  z-index: 1;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-6);
  width: 100%;
}

.episode-number {
  font-variant: small-caps;
  letter-spacing: 0.1em;
  text-transform: lowercase;
  font-size: var(--text-sm);
  color: var(--color-accent);
  margin-bottom: var(--space-4);
}

.episode-hero h1 {
  font-size: clamp(2.5rem, 5vw, 4rem);
  max-width: 20ch;
  margin-bottom: var(--space-6);
}

.episode-hero-meta {
  display: flex;
  gap: var(--space-6);
  margin-bottom: var(--space-8);
  flex-wrap: wrap;
}

.episode-hero-meta span {
  font-variant: small-caps;
  letter-spacing: 0.08em;
  text-transform: lowercase;
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
}

.episode-hero-links {
  display: flex;
  gap: var(--space-4);
  flex-wrap: wrap;
}

/* ─── Episode Content ─── */
.episode-content {
  max-width: var(--max-width-narrow);
  margin: 0 auto;
  padding: var(--space-16) var(--space-6);
}

.episode-content h2 {
  font-variant: small-caps;
  letter-spacing: 0.08em;
  text-transform: lowercase;
  font-size: var(--text-xl);
  margin-bottom: var(--space-6);
  color: var(--color-text-secondary);
}

.episode-content p {
  color: var(--color-text-secondary);
  margin-bottom: var(--space-6);
}

/* ─── Chapter List ─── */
.chapter-list {
  list-style: none;
  margin-bottom: var(--space-16);
}

.chapter-item {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: var(--space-4);
  align-items: baseline;
  padding: var(--space-4) 0;
  border-bottom: 1px solid var(--color-border);
  transition: background-color var(--transition-fast);
}

.chapter-item:hover {
  background-color: var(--color-surface);
  margin: 0 calc(-1 * var(--space-6));
  padding-left: var(--space-6);
  padding-right: var(--space-6);
}

.chapter-number {
  font-variant: small-caps;
  letter-spacing: 0.08em;
  text-transform: lowercase;
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  min-width: 3ch;
}

.chapter-title {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  color: var(--color-text-primary);
}

.chapter-description {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  font-style: italic;
  grid-column: 2;
}

.chapter-timestamp {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  letter-spacing: 0.05em;
}

/* ─── Sources Section ─── */
.sources-section {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  padding: var(--space-8);
  margin-bottom: var(--space-16);
}

.sources-list {
  list-style: none;
}

.source-item {
  padding: var(--space-4) 0;
  border-bottom: 1px solid var(--color-border-subtle);
}

.source-item:last-child {
  border-bottom: none;
}

.source-citation {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-accent);
  margin-bottom: var(--space-1);
  letter-spacing: 0.05em;
}

.source-title {
  font-size: var(--text-base);
  color: var(--color-text-primary);
  margin-bottom: var(--space-1);
}

.source-details {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

.source-link {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  text-decoration: underline;
  text-underline-offset: 2px;
}

.source-link:hover {
  color: var(--color-accent);
}

/* ─── Embed Section ─── */
.embed-section {
  margin-bottom: var(--space-16);
}

.embed-container {
  position: relative;
  padding-bottom: 56.25%; /* 16:9 */
  height: 0;
  overflow: hidden;
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
}

.embed-container iframe {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border: none;
}

/* ─── Next Episode ─── */
.next-episode {
  text-align: center;
  padding: var(--space-16) 0;
  border-top: 1px solid var(--color-border);
}

.next-episode p {
  font-variant: small-caps;
  letter-spacing: 0.08em;
  text-transform: lowercase;
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  margin-bottom: var(--space-4);
}

.next-episode h3 {
  font-size: var(--text-2xl);
  margin-bottom: var(--space-4);
}

@media (max-width: 768px) {
  .chapter-item {
    grid-template-columns: auto 1fr;
  }

  .chapter-timestamp {
    grid-column: 1;
    grid-row: 2;
  }

  .chapter-description {
    grid-column: 2;
    grid-row: 2;
  }
}