/* ============================================
 * Book — A conversation, not a lecture (Figma 849:4426)
 *
 * Cream surface, two-column. Left: a chat-bubble graphic card built
 * in CSS (grey card, three message bubbles — Rosie left/white, Kate
 * right/dark, Rosie typing dots). Right: heading + body + read-time.
 *
 * Mobile: graphic on top, copy below. Desktop (≥1024px): graphic
 * left (fixed ~510px), copy right, vertically centred.
 * ============================================ */

.tlm-book-conversation {
  padding-block: var(--space-section-y-mobile);
  background-color: var(--color-cream);
  color: var(--color-text-on-light);
}

.tlm-book-conversation__inner {
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
  align-items: center;
}

/* ----- Chat graphic ----- */

.tlm-book-conversation__graphic {
  width: 100%;
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
  padding: var(--space-xl);
  background-color: var(--color-grey-100);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-card);
}

.tlm-book-conversation__msg {
  display: flex;
  flex-direction: column;
  gap: var(--space-2xs);
  max-width: 88%;
}

.tlm-book-conversation__msg--them {
  align-self: flex-start;
  align-items: flex-start;
}

.tlm-book-conversation__msg--me {
  align-self: flex-end;
  align-items: flex-end;
}

.tlm-book-conversation__name {
  font-family: var(--font-sans);
  font-size: var(--text-sm);
  font-weight: var(--weight-semibold);
  color: var(--color-navy);
}

.tlm-book-conversation__bubble {
  margin: 0;
  padding: 12px 16px;
  background-color: var(--color-white);
  color: var(--color-navy);
  font-family: var(--font-sans);
  font-size: var(--text-base);
  line-height: var(--leading-normal);
  letter-spacing: var(--tracking-tight);
  border-radius: var(--radius-lg);
  border-top-left-radius: 0;
}

.tlm-book-conversation__bubble--dark {
  background-color: var(--color-bg-darker);
  color: var(--color-white);
  border-top-left-radius: var(--radius-lg);
  border-top-right-radius: 0;
}

.tlm-book-conversation__bubble--typing {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding-block: 20px;
}

.tlm-book-conversation__dot {
  width: 9px;
  height: 9px;
  border-radius: var(--radius-pill);
  background-color: var(--color-navy);
  /* Typing-indicator pulse: each dot bounces + fades, staggered, on a
     loop. Stagger via per-dot delay below. */
  animation: tlm-book-typing 1.4s ease-in-out infinite both;
}

.tlm-book-conversation__dot:nth-child(2) {
  animation-delay: 0.2s;
}

.tlm-book-conversation__dot:nth-child(3) {
  animation-delay: 0.4s;
}

@keyframes tlm-book-typing {
  0%,
  60%,
  100% {
    transform: translateY(0);
    opacity: 0.35;
  }
  30% {
    transform: translateY(-5px);
    opacity: 1;
  }
}

/* Hold still for users who prefer reduced motion. */
@media (prefers-reduced-motion: reduce) {
  .tlm-book-conversation__dot {
    animation: none;
    opacity: 0.5;
  }
}

/* ----- Copy ----- */

.tlm-book-conversation__body {
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
  width: 100%;
}

.tlm-book-conversation__heading {
  margin: 0;
  font-family: var(--font-serif);
  font-size: var(--text-h2-mobile);
  font-weight: var(--weight-regular);
  line-height: var(--leading-tight);
  letter-spacing: var(--tracking-display);
  color: var(--color-navy);
}

.tlm-book-conversation__prose {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.tlm-book-conversation__prose p {
  margin: 0;
  font-family: var(--font-sans);
  font-size: var(--text-base);
  line-height: var(--leading-relaxed);
  letter-spacing: var(--tracking-tight);
  color: var(--color-navy-muted);
}

.tlm-book-conversation__meta {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
}

.tlm-book-conversation__clock {
  display: inline-flex;
  flex-shrink: 0;
  color: var(--color-pink-stop);
}

.tlm-book-conversation__clock svg {
  width: 24px;
  height: 24px;
}

/* ============================================
 * TABLET (≥768px)
 * ============================================ */

@media (min-width: 768px) {
  .tlm-book-conversation__prose p {
    font-size: var(--text-lg);
  }
}

/* ============================================
 * DESKTOP (≥1024px)
 * ============================================ */

@media (min-width: 1024px) {
  .tlm-book-conversation {
    padding-block: var(--space-5xl);
  }

  .tlm-book-conversation__inner {
    flex-direction: row-reverse;
    align-items: center;
    gap: 93px;
  }

  .tlm-book-conversation__graphic {
    flex: 0 0 auto;
    width: 510px;
    min-height: 602px;
    justify-content: space-between;
    padding: 64px 42px;
  }

  .tlm-book-conversation__body {
    flex: 1 1 0;
    min-width: 0;
  }

  .tlm-book-conversation__heading {
    font-size: var(--text-h2);
  }
}