/* ─── Audio Hero (light / warm cream) ──────────── */
.audio-hero {
  background: linear-gradient(160deg, var(--color-bg) 0%, oklch(96% 0.018 55) 100%);
  padding-block: var(--space-20);
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid var(--color-border);
}

.audio-hero::before {
  content: '';
  position: absolute;
  top: -60px;
  left: -60px;
  width: 450px;
  height: 450px;
  background: radial-gradient(circle, oklch(52% 0.14 38 / 0.08) 0%, transparent 65%);
  pointer-events: none;
}

.audio-hero::after {
  content: '';
  position: absolute;
  bottom: -40px;
  right: -40px;
  width: 300px;
  height: 300px;
  background: radial-gradient(circle, oklch(52% 0.14 38 / 0.05) 0%, transparent 70%);
  pointer-events: none;
}

.audio-hero__inner {
  position: relative;
}

.audio-hero__eyebrow {
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: var(--space-4);
  animation: fadeSlideUp 0.5s ease both;
}

.audio-hero h1 {
  font-size: clamp(var(--text-3xl), 5.5vw, var(--text-5xl));
  color: var(--color-text);
  margin-bottom: var(--space-4);
  animation: fadeSlideUp 0.5s ease 80ms both;
}

.audio-hero p {
  font-size: var(--text-lg);
  color: var(--color-muted);
  max-width: 540px;
  line-height: var(--leading-relaxed);
  animation: fadeSlideUp 0.5s ease 160ms both;
}

/* ─── Filter Bar ──────────────────────────────── */
.audio-filter-bar {
  background-color: var(--color-bg);
  border-bottom: 1px solid var(--color-border);
  padding-block: var(--space-4);
  position: sticky;
  top: var(--nav-height);
  z-index: 10;
}

.audio-filter-bar .container {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.audio-filter-btn {
  padding: var(--space-2) var(--space-5);
  border-radius: var(--radius-full);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-muted);
  border: 1px solid var(--color-border);
  background: transparent;
  cursor: pointer;
  transition: all var(--transition-fast);
  white-space: nowrap;
  font-family: var(--font-body);
}

.audio-filter-btn:hover {
  color: var(--color-text);
  background-color: var(--color-surface);
}

.audio-filter-btn.is-active {
  background-color: var(--color-accent);
  border-color: var(--color-accent);
  color: white;
}

/* ─── Episodes Section ────────────────────────── */
.audio-episodes-section {
  background-color: var(--color-bg);
  min-height: 55vh;
  padding-block: var(--space-6) var(--space-24);
}

.episodes-header-row {
  display: grid;
  grid-template-columns: 32px 56px 1fr auto auto;
  gap: var(--space-4);
  align-items: center;
  padding: var(--space-3) var(--space-4);
  margin-bottom: var(--space-2);
  border-bottom: 1px solid var(--color-border);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-muted);
}

.episodes-list {
  display: flex;
  flex-direction: column;
}

.audio-empty-state {
  text-align: center;
  padding: var(--space-20);
  color: var(--color-muted);
}

/* Episode row overrides for light background */
.audio-episodes-section .episode-row {
  border-bottom: 1px solid var(--color-border);
  color: var(--color-text);
}

.audio-episodes-section .episode-row__title {
  color: var(--color-text);
}

.audio-episodes-section .episode-row__desc {
  color: var(--color-muted);
}

.audio-episodes-section .episode-row__num {
  color: var(--color-muted);
}

.audio-episodes-section .episode-row__duration {
  color: var(--color-muted);
}

.audio-episodes-section .episode-row__play {
  color: var(--color-text);
}

.audio-episodes-section .episode-row__lock .icon {
  color: var(--color-muted);
}

.audio-episodes-section .episode-row:hover,
.audio-episodes-section .episode-row:focus-visible {
  background-color: var(--color-surface);
}

/* ─── Inline Player (light) ────────────────────── */
.episode-inline-player {
  background-color: var(--color-surface);
  border-top: 1px solid var(--color-border);
  padding: var(--space-4) var(--space-5);
  display: none;
}

.episode-inline-player.is-open {
  display: block;
}

/* ─── Dark Mode Overrides ─────────────────────── */
[data-theme="dark"] .audio-hero {
  background: linear-gradient(170deg, var(--color-bg-dark) 0%, #2C1A0A 100%);
  border-bottom-color: var(--color-border-dark);
}

[data-theme="dark"] .audio-hero::before {
  background: radial-gradient(circle, oklch(52% 0.14 38 / 0.22) 0%, transparent 65%);
}

[data-theme="dark"] .audio-hero::after {
  background: radial-gradient(circle, rgba(240,235,227,0.04) 0%, transparent 70%);
}

[data-theme="dark"] .audio-hero h1 {
  color: var(--color-text-dark);
}

[data-theme="dark"] .audio-hero p {
  color: var(--color-muted-dark);
}

[data-theme="dark"] .audio-filter-bar {
  background-color: var(--color-bg-dark);
  border-bottom-color: var(--color-border-dark);
}

[data-theme="dark"] .audio-filter-btn {
  color: var(--color-muted-dark);
  border-color: var(--color-border-dark);
}

[data-theme="dark"] .audio-filter-btn:hover {
  color: var(--color-text-dark);
  background-color: rgba(240, 235, 227, 0.08);
}

[data-theme="dark"] .audio-episodes-section {
  background-color: var(--color-bg-dark);
}

[data-theme="dark"] .episodes-header-row {
  border-bottom-color: var(--color-border-dark);
  color: var(--color-muted-dark);
}

[data-theme="dark"] .audio-empty-state {
  color: var(--color-muted-dark);
}

[data-theme="dark"] .audio-episodes-section .episode-row {
  border-bottom-color: var(--color-border-dark);
  color: var(--color-text-dark);
}

[data-theme="dark"] .audio-episodes-section .episode-row__title {
  color: var(--color-text-dark);
}

[data-theme="dark"] .audio-episodes-section .episode-row__desc {
  color: var(--color-muted-dark);
}

[data-theme="dark"] .audio-episodes-section .episode-row__num {
  color: var(--color-muted-dark);
}

[data-theme="dark"] .audio-episodes-section .episode-row__duration {
  color: var(--color-muted-dark);
}

[data-theme="dark"] .audio-episodes-section .episode-row__play {
  color: var(--color-text-dark);
}

[data-theme="dark"] .audio-episodes-section .episode-row__lock .icon {
  color: var(--color-muted-dark);
}

[data-theme="dark"] .audio-episodes-section .episode-row:hover,
[data-theme="dark"] .audio-episodes-section .episode-row:focus-visible {
  background-color: rgba(255,255,255,0.04);
}

[data-theme="dark"] .episode-inline-player {
  background-color: rgba(255,255,255,0.04);
  border-top-color: var(--color-border-dark);
}

/* ─── Responsive ──────────────────────────────── */
@media (max-width: 640px) {
  .audio-filter-bar .container {
    overflow-x: auto;
    scrollbar-width: none;
  }

  .audio-filter-bar .container::-webkit-scrollbar {
    display: none;
  }

  .episodes-header-row {
    display: none;
  }
}