/* ============================================================
   CHAPTER — Individual Chapter Page Styles
   ============================================================ */

/* ── LOADING STATE ───────────────────────────────────────────── */

.chapter-loading {
  padding-block: var(--space-24);
  text-align: center;
  color: var(--color-text-muted);
  font-style: italic;
}

/* ── CHAPTER HERO ─────────────────────────────────────────────── */

.chapter-hero {
  position: relative;
  width: 100%;
  height: clamp(320px, 50vh, 560px);
  overflow: hidden;
  background-color: var(--color-text-primary);
}

.chapter-hero__img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  opacity: 0.7;
}

.chapter-hero__placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--color-green-dark) 0%, var(--color-green) 50%, var(--color-yellow) 100%);
  font-size: 6rem;
}

/* Gradient overlay at bottom of hero */
.chapter-hero__gradient {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to bottom,
    transparent 0%,
    transparent 30%,
    rgba(28, 26, 23, 0.6) 70%,
    rgba(28, 26, 23, 0.85) 100%
  );
}

/* Text overlay */
.chapter-hero__content {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: var(--space-8) var(--space-6);
  color: var(--color-text-inverse);
}

.chapter-hero__content .container {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.chapter-hero__meta {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.chapter-hero__number {
  font-size: var(--text-sm);
  font-weight: var(--weight-medium);
  color: rgba(253, 250, 245, 0.7);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.chapter-hero__badge {
  background-color: var(--chapter-accent, var(--color-green));
  color: var(--color-text-inverse);
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-full);
  font-size: var(--text-xs);
  font-weight: var(--weight-semibold);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.chapter-hero__title {
  font-family: var(--font-heading);
  font-size: clamp(var(--text-2xl), 4vw, var(--text-4xl));
  font-weight: var(--weight-bold);
  line-height: var(--leading-tight);
  color: var(--color-text-inverse);
  text-shadow: 0 2px 16px rgba(0,0,0,0.3);
  max-width: 800px;
}

/* ── CHAPTER HEADER (below hero) ────────────────────────────── */

.chapter-header {
  padding-block: var(--space-12) var(--space-8);
  border-bottom: 1px solid var(--color-border);
}

.chapter-header__inner {
  max-width: var(--max-width-content);
  margin-inline: auto;
}

.chapter-header__subtitle {
  font-size: var(--text-xl);
  color: var(--color-text-secondary);
  line-height: var(--leading-relaxed);
  font-style: italic;
  margin-bottom: var(--space-4);
}

.chapter-header__date {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  font-weight: var(--weight-medium);
}

/* ── CHAPTER BODY ────────────────────────────────────────────── */

.chapter-body {
  padding-block: var(--space-12) var(--space-16);
}

.chapter-body__inner {
  max-width: var(--max-width-content);
  margin-inline: auto;
  display: flex;
  flex-direction: column;
  gap: var(--space-8);
}

/* ── BLOCK: INTRO ────────────────────────────────────────────── */

.block-intro {
  font-size: var(--text-xl);
  line-height: var(--leading-loose);
  color: var(--color-text-primary);
  font-weight: var(--weight-medium);
  padding-left: var(--space-6);
  border-left: 4px solid var(--chapter-accent, var(--color-green));
}

/* ── BLOCK: HEADING ──────────────────────────────────────────── */

.block-heading {
  font-family: var(--font-heading);
  font-size: var(--text-2xl);
  font-weight: var(--weight-bold);
  color: var(--color-text-primary);
  line-height: var(--leading-snug);
  margin-top: var(--space-4);
}

/* ── BLOCK: PARAGRAPH ────────────────────────────────────────── */

.block-paragraph {
  font-size: var(--text-lg);
  line-height: var(--leading-loose);
  color: var(--color-text-primary);
}

/* ── BLOCK: IMAGE ────────────────────────────────────────────── */

.block-image {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.block-image__img {
  width: 100%;
  border-radius: var(--radius-lg);
  object-fit: cover;
}

.block-image__caption {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  font-style: italic;
  text-align: center;
}

/* ── BLOCK: LIST ─────────────────────────────────────────────── */

.block-list {
  padding-left: 0;
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.block-list li {
  display: flex;
  gap: var(--space-3);
  font-size: var(--text-base);
  line-height: var(--leading-relaxed);
  color: var(--color-text-primary);
}

.block-list li::before {
  content: '✦';
  color: var(--chapter-accent, var(--color-green));
  font-size: var(--text-xs);
  flex-shrink: 0;
  margin-top: 5px;
}

/* Ordered list */
ol.block-list {
  counter-reset: list-counter;
}

ol.block-list li {
  counter-increment: list-counter;
}

ol.block-list li::before {
  content: counter(list-counter);
  font-weight: var(--weight-bold);
  color: var(--chapter-accent, var(--color-green));
  min-width: var(--space-6);
  font-size: var(--text-sm);
  margin-top: 2px;
}

/* ── BLOCK: PULLQUOTE ────────────────────────────────────────── */

.block-pullquote {
  margin-block: var(--space-4);
  padding: var(--space-6) var(--space-8);
  background-color: var(--chapter-accent-light, var(--color-green-light));
  border-left: 4px solid var(--chapter-accent, var(--color-green));
  border-radius: 0 var(--radius-lg) var(--radius-lg) 0;
}

.block-pullquote__text {
  font-family: var(--font-body);
  font-size: var(--text-xl);
  font-style: italic;
  line-height: var(--leading-relaxed);
  color: var(--color-text-primary);
  margin-bottom: 0;
}

.block-pullquote__attribution {
  display: block;
  margin-top: var(--space-3);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  font-style: normal;
  font-weight: var(--weight-medium);
}

.block-pullquote__attribution::before {
  content: '— ';
}

/* ── BLOCK: VIDEO ────────────────────────────────────────────── */

.block-video {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.block-video__wrapper {
  position: relative;
  width: 100%;
  padding-top: 56.25%; /* 16:9 */
  border-radius: var(--radius-lg);
  overflow: hidden;
  background-color: var(--color-text-primary);
}

.block-video__iframe {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: none;
}

.block-video__caption {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  font-style: italic;
  text-align: center;
}

/* ── BLOCK: PODCAST ──────────────────────────────────────────── */

.block-podcast {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  padding: var(--space-5) var(--space-6);
  background-color: var(--color-bg-section);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  text-decoration: none;
  color: var(--color-text-primary);
  transition: box-shadow var(--dur-fast) var(--ease-out),
              border-color var(--dur-fast) var(--ease-out);
}

.block-podcast:hover {
  box-shadow: var(--shadow-md);
  border-color: var(--chapter-accent, var(--color-green));
}

.block-podcast__icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  background-color: var(--chapter-accent, var(--color-green));
  color: var(--color-text-inverse);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-size: var(--text-xl);
}

.block-podcast__content {
  flex: 1;
  min-width: 0;
}

.block-podcast__label {
  font-size: var(--text-base);
  font-weight: var(--weight-semibold);
  color: var(--color-text-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  margin-bottom: var(--space-1);
}

.block-podcast__description {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  margin-bottom: 0;
}

.block-podcast__arrow {
  color: var(--color-text-muted);
  flex-shrink: 0;
}

/* ── BLOCK: AUDIO PLAYER ─────────────────────────────────────── */

.block-audio {
  border-radius: var(--radius-xl);
  overflow: hidden;
  border: 1px solid var(--color-border);
  background-color: var(--color-bg-card);
  box-shadow: var(--shadow-md);
}

.block-audio__card {
  display: flex;
}

.block-audio__image {
  width: 200px;
  flex-shrink: 0;
  overflow: hidden;
}

.block-audio__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.block-audio__content {
  flex: 1;
  padding: var(--space-6) var(--space-8);
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
  min-width: 0;
}

.block-audio__header {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.block-audio__tag {
  display: inline-block;
  align-self: flex-start;
  font-size: var(--text-xs);
  font-weight: var(--weight-semibold);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--chapter-accent, var(--color-green-dark));
  background-color: var(--chapter-accent-light, var(--color-green-light));
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-full);
}

.block-audio__label {
  font-family: var(--font-heading);
  font-size: var(--text-lg);
  font-weight: var(--weight-bold);
  color: var(--color-text-primary);
  line-height: var(--leading-snug);
  margin-bottom: 0;
}

.block-audio__controls {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}

.block-audio__play-btn {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background-color: var(--chapter-accent, var(--color-green));
  color: white;
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: transform var(--dur-fast) var(--ease-out),
              box-shadow var(--dur-fast) var(--ease-out);
}

.block-audio__play-btn:hover {
  transform: scale(1.06);
  box-shadow: 0 4px 16px rgba(107, 154, 139, 0.4);
}

.block-audio__play-btn:active {
  transform: scale(0.96);
}

.block-audio__timeline {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.block-audio__progress {
  position: relative;
  height: 6px;
  background-color: var(--color-border);
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: height var(--dur-fast) var(--ease-out);
}

.block-audio__progress:hover {
  height: 8px;
}

.block-audio__progress-fill {
  height: 100%;
  background-color: var(--chapter-accent, var(--color-green));
  border-radius: var(--radius-full);
  pointer-events: none;
  transition: width 0.1s linear;
}

.block-audio__times {
  display: flex;
  justify-content: space-between;
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  font-weight: var(--weight-medium);
  font-variant-numeric: tabular-nums;
}

.block-audio__speed {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  flex-wrap: wrap;
}

.block-audio__speed-label {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  font-weight: var(--weight-medium);
  letter-spacing: 0.04em;
  margin-right: var(--space-1);
}

.block-audio__speed-btn {
  font-size: var(--text-xs);
  font-family: var(--font-body);
  font-weight: var(--weight-medium);
  color: var(--color-text-secondary);
  background: none;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  padding: var(--space-1) var(--space-3);
  cursor: pointer;
  transition: background-color var(--dur-fast) var(--ease-out),
              border-color var(--dur-fast) var(--ease-out),
              color var(--dur-fast) var(--ease-out);
}

.block-audio__speed-btn:hover {
  background-color: var(--color-bg-section);
  border-color: var(--chapter-accent, var(--color-green));
}

.block-audio__speed-btn.is-active {
  background-color: var(--chapter-accent-light, var(--color-green-light));
  border-color: var(--chapter-accent, var(--color-green));
  color: var(--chapter-accent, var(--color-green-dark));
  font-weight: var(--weight-semibold);
}

@media (max-width: 560px) {
  .block-audio__image {
    display: none;
  }
  .block-audio__content {
    padding: var(--space-5) var(--space-5);
  }
}

/* ── BLOCK: CLOSING ──────────────────────────────────────────── */

.block-closing {
  font-size: var(--text-xl);
  line-height: var(--leading-loose);
  color: var(--color-text-secondary);
  font-style: italic;
  text-align: center;
  padding: var(--space-8) var(--space-4);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
  position: relative;
}

.block-closing::before {
  content: '✦';
  display: block;
  font-style: normal;
  color: var(--color-yellow);
  font-size: var(--text-2xl);
  margin-bottom: var(--space-4);
}

/* ── NEXT CHAPTER TEASER ─────────────────────────────────────── */

.next-chapter {
  background-color: var(--color-bg-section);
  border-top: 1px solid var(--color-border);
  padding-block: var(--space-16);
}

.next-chapter__inner {
  max-width: var(--max-width-content);
  margin-inline: auto;
}

.next-chapter__label {
  font-size: var(--text-sm);
  font-weight: var(--weight-semibold);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin-bottom: var(--space-4);
}

.next-chapter__card {
  display: flex;
  align-items: center;
  gap: var(--space-6);
  padding: var(--space-6);
  background-color: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  text-decoration: none;
  color: var(--color-text-primary);
  transition: box-shadow var(--dur-base) var(--ease-out),
              transform var(--dur-base) var(--ease-out);
}

.next-chapter__card:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-2px);
}

.next-chapter__image {
  width: 120px;
  height: 80px;
  flex-shrink: 0;
  border-radius: var(--radius-md);
  overflow: hidden;
  background-color: var(--color-bg-section);
}

.next-chapter__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.next-chapter__placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--text-2xl);
  background: linear-gradient(135deg, var(--color-yellow-light), var(--color-green-light));
}

.next-chapter__content {
  flex: 1;
  min-width: 0;
}

.next-chapter__topic {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: var(--space-1);
}

.next-chapter__title {
  font-family: var(--font-heading);
  font-size: var(--text-xl);
  font-weight: var(--weight-bold);
  line-height: var(--leading-snug);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.next-chapter__arrow {
  color: var(--color-text-muted);
  flex-shrink: 0;
  transition: transform var(--dur-fast) var(--ease-out),
              color var(--dur-fast) var(--ease-out);
}

.next-chapter__card:hover .next-chapter__arrow {
  transform: translateX(4px);
  color: var(--color-green);
}

@media (max-width: 480px) {
  .next-chapter__image {
    display: none;
  }
}


/* ── PODCAST SCROLL BUTTON ───────────────────────────────────── */
.block-podcast-btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  margin: var(--space-4) 0 var(--space-8);
  padding: 0.6rem 1.25rem;
  border: 1.5px solid var(--color-accent);
  border-radius: 2rem;
  background: transparent;
  color: var(--color-accent);
  font-family: var(--font-body);
  font-size: 0.875rem;
  font-weight: 500;
  text-decoration: none;
  cursor: pointer;
  transition: background 0.18s, color 0.18s;
}
.block-podcast-btn:hover {
  background: var(--color-accent);
  color: #fff;
}