/* ============================================================
   Page styles: Book Audio Companion pages
   [wa_page name="wa101" ... "sol2"]
   Page-specific sections only; design system, nav, footer and
   .reveal live in wa-shared.css.
   ============================================================ */

/* Screen-reader-only helper (shared pattern, scoped to this page). */
.wa-page .sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* ========================================
   HERO
   ======================================== */
.wa-page .audio-hero {
  padding-top: calc(var(--nav-height) + var(--space-xl));
  padding-bottom: var(--space-xl);
  background: var(--color-surface);
  text-align: center;
}

.wa-page .audio-hero__inner {
  max-width: 800px;
  margin: 0 auto;
  padding: 0 var(--space-md);
}

.wa-page .audio-hero h1 {
  font-size: clamp(32px, 4.5vw, 51.2px);
  font-weight: 500;
  line-height: 1.1;
  margin-bottom: var(--space-md);
}

.wa-page .audio-hero__intro {
  font-size: 17.6px;
  line-height: 1.8;
  color: var(--color-text);
  max-width: 620px;
  margin: 0 auto var(--space-lg);
}

/* ========================================
   TRACK LIST
   ======================================== */
.wa-page .audio-tracks {
  padding: var(--space-xl) 0;
}

.wa-page .audio-tracks__inner {
  max-width: 800px;
  margin: 0 auto;
  padding: 0 var(--space-md);
}

.wa-page .audio-tracks__header {
  text-align: center;
  margin-bottom: var(--space-lg);
}

.wa-page .audio-tracks__header h2 {
  font-size: clamp(28.8px, 3vw, 40px);
}

.wa-page .track-list {
  list-style: none;
  margin: 0;
  padding: 0;
  counter-reset: wa-track;
}

.wa-page .track {
  display: flex;
  align-items: flex-start;
  gap: var(--space-md);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  padding: var(--space-md);
  margin-bottom: var(--space-sm);
  transition: box-shadow var(--transition-fast);
}

.wa-page .track:hover {
  box-shadow: var(--shadow-md);
}

.wa-page .track__number {
  flex: 0 0 auto;
  font-family: var(--font-display);
  font-size: 22.4px;
  font-weight: 600;
  line-height: 1;
  color: var(--color-accent-text);
  padding-top: 5.6px;
  min-width: 35.2px;
  text-align: center;
}

.wa-page .track__body {
  flex: 1 1 auto;
  min-width: 0;
}

/* Rendered as <h3> for screen-reader heading navigation; explicitly
   override the shared h1-h4 rule (font-display, weight 500, line-height 1.2)
   so the visual style stays identical to the previous <p> markup. */
.wa-page .track__title {
  font-family: var(--font-body);
  font-size: 16px;
  font-weight: 600;
  color: var(--color-heading);
  margin: 0 0 var(--space-xs);
  line-height: 1.4;
}

.wa-page .track audio {
  width: 100%;
  display: block;
  min-height: 44px;
}

/* ========================================
   SHARED ALBUM PLAYER
   ======================================== */
.wa-page .audio-tracks--album {
  background: linear-gradient(180deg, var(--color-background) 0%, var(--color-surface) 100%);
}

.wa-page .album-layout {
  display: grid;
  grid-template-columns: minmax(280px, 380px) minmax(0, 1fr);
  align-items: start;
  gap: clamp(32px, 5vw, 72px);
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 var(--space-md);
}

.wa-page .album-player {
  position: sticky;
  top: calc(var(--nav-height) + var(--space-md));
  overflow: hidden;
  color: #fff;
  background: #20201f;
  border: 1px solid rgba(200, 169, 110, 0.35);
  border-radius: 4px;
  box-shadow: 0 24px 60px rgba(20, 18, 14, 0.2);
}

.wa-page .album-player__cover {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 1;
  object-fit: contain;
  background: #ece8df;
}

.wa-page .album-player__body {
  padding: 25.6px;
}

.wa-page .album-player__eyebrow {
  margin: 0 0 6.4px;
  color: #d9bd86;
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.13em;
  text-transform: uppercase;
}

.wa-page .album-player__title {
  min-height: 50px;
  margin: 0;
  color: #fff;
  font-family: var(--font-display);
  font-size: 22.4px;
  font-weight: 600;
  line-height: 1.25;
}

.wa-page .album-player__controls {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  margin: 22.4px 0 17.6px;
}

.wa-page .album-player__controls button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 44px;
  min-height: 44px;
  padding: 0;
  color: #fff;
  background: transparent;
  border: 1px solid rgba(255, 255, 255, 0.42);
  border-radius: 50%;
  cursor: pointer;
  transition: color var(--transition-fast), background var(--transition-fast), border-color var(--transition-fast), transform var(--transition-fast);
}

.wa-page .album-player__controls button:hover,
.wa-page .album-player__controls button:focus-visible {
  color: #1a1a1a;
  background: var(--color-accent);
  border-color: var(--color-accent);
  transform: translateY(-1px);
}

.wa-page .album-player__controls svg {
  width: 20px;
  height: 20px;
  fill: currentColor;
}

.wa-page .album-player__toggle {
  width: 58px;
  height: 58px;
  color: #1a1a1a !important;
  background: var(--color-accent) !important;
  border-color: var(--color-accent) !important;
}

.wa-page .album-player__icon--pause {
  display: none;
}

.wa-page .album-player.is-playing .album-player__icon--play {
  display: none;
}

.wa-page .album-player.is-playing .album-player__icon--pause {
  display: block;
}

.wa-page .album-player__progress {
  width: 100%;
  height: 44px;
  margin: 0;
  accent-color: var(--color-accent);
  cursor: pointer;
}

.wa-page .album-player__time {
  display: flex;
  justify-content: space-between;
  margin-top: -8px;
  color: rgba(255, 255, 255, 0.76);
  font-size: 14px;
  font-variant-numeric: tabular-nums;
}

.wa-page .album-player__message {
  min-height: 20px;
  margin: 8px 0 0;
  color: #f0d6a4;
  font-size: 14px;
}

.wa-page .album-track-panel {
  min-width: 0;
}

.wa-page .album-track-panel__header {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: var(--space-md);
  padding: 0 4px var(--space-md);
  border-bottom: 1px solid var(--color-border);
}

.wa-page .album-track-panel__header h2 {
  margin: 0;
  font-size: clamp(28.8px, 3vw, 40px);
}

.wa-page .album-track-panel__header p:last-child {
  max-width: 240px;
  margin: 0 0 4px;
  color: var(--color-text-muted);
  font-size: 15.2px;
  text-align: right;
}

.wa-page .album-track-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.wa-page .album-track-list li {
  margin: 0;
  border-bottom: 1px solid var(--color-border);
}

.wa-page .album-track {
  display: grid;
  grid-template-columns: 42px 34px minmax(0, 1fr) auto;
  align-items: center;
  gap: 11.2px;
  width: 100%;
  min-height: 64px;
  padding: 9.6px 12.8px;
  color: var(--color-heading);
  text-align: left;
  background: transparent;
  border: 0;
  border-left: 3px solid transparent;
  cursor: pointer;
  transition: background var(--transition-fast), border-color var(--transition-fast), color var(--transition-fast);
}

.wa-page .album-track:hover,
.wa-page .album-track:focus-visible {
  background: rgba(200, 169, 110, 0.1);
}

.wa-page .album-track:focus-visible {
  outline: 2px solid var(--color-accent-text);
  outline-offset: -2px;
}

.wa-page .album-track.is-current {
  color: var(--color-accent-text);
  background: rgba(200, 169, 110, 0.14);
  border-left-color: var(--color-accent-text);
}

.wa-page .album-track__number {
  color: var(--color-text-muted);
  font-family: var(--font-display);
  font-size: 18.4px;
  font-variant-numeric: tabular-nums;
  text-align: center;
}

.wa-page .album-track__icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  color: var(--color-accent-text);
  border: 1px solid currentColor;
  border-radius: 50%;
}

.wa-page .album-track__icon svg {
  width: 15px;
  height: 15px;
  fill: currentColor;
}

.wa-page .album-track__icon--pause {
  display: none;
}

.wa-page .album-track.is-playing .album-track__icon--play {
  display: none;
}

.wa-page .album-track.is-playing .album-track__icon--pause {
  display: block;
}

.wa-page .album-track__title {
  overflow-wrap: anywhere;
  font-size: 16.8px;
  font-weight: 600;
  line-height: 1.35;
}

.wa-page .album-track__duration {
  color: var(--color-text-muted);
  font-size: 14px;
  font-variant-numeric: tabular-nums;
}

.wa-page .album-track.is-current .album-track__duration {
  color: var(--color-accent-text);
  font-weight: 600;
}

/* Empty state (book audio pending) */
.wa-page .audio-tracks__empty {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-left: 3px solid var(--color-accent);
  padding: var(--space-lg);
  text-align: center;
}

.wa-page .audio-tracks__empty p {
  font-size: 16.8px;
  color: var(--color-text);
  margin: 0;
}

/* ========================================
   RESPONSIVE
   ======================================== */
@media (max-width: 960px) {
  .wa-page .audio-tracks {
    padding: var(--space-lg) 0;
  }

  .wa-page .album-layout {
    grid-template-columns: minmax(250px, 320px) minmax(0, 1fr);
    gap: var(--space-lg);
  }
}

@media (max-width: 760px) {
  .wa-page .album-layout {
    grid-template-columns: 1fr;
    max-width: 620px;
  }

  .wa-page .album-player {
    position: static;
  }

  .wa-page .album-track-panel__header {
    align-items: flex-start;
    flex-direction: column;
    gap: var(--space-xs);
  }

  .wa-page .album-track-panel__header p:last-child {
    max-width: none;
    text-align: left;
  }
}

@media (max-width: 600px) {
  .wa-page .audio-hero h1 {
    font-size: 30.4px;
  }

  .wa-page .track {
    flex-direction: column;
    gap: var(--space-xs);
    padding: var(--space-sm);
  }

  .wa-page .track__number {
    text-align: left;
    padding-top: 0;
    min-width: 0;
  }

  .wa-page .album-layout {
    padding: 0 16px;
  }

  .wa-page .album-player__body {
    padding: 20px;
  }

  .wa-page .album-track {
    grid-template-columns: 34px 32px minmax(0, 1fr) auto;
    gap: 8px;
    padding-inline: 8px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .wa-page .album-player__controls button,
  .wa-page .album-track {
    transition: none;
  }
}