/**
 * Episode Detail Page - World-Class Design
 * Modern, magazine-style layout with purple theme
 * WCAG 2.1 AA compliant, mobile-first responsive
 */

/* ============================================
   DESIGN TOKENS
   ============================================ */
:root {
  /* Primary Colors */
  --color-primary: #6B46C1;
  --color-primary-light: #8B5CF6;
  --color-primary-dark: #553C9A;

  /* Semantic Colors */
  --color-success: #10B981;
  --color-warning: #F59E0B;
  --color-error: #EF4444;
  --color-info: #3B82F6;

  /* Spacing (8px grid) */
  --space-2: 4px;
  --space-4: 8px;
  --space-6: 12px;
  --space-8: 16px;
  --space-12: 24px;
  --space-16: 32px;
  --space-20: 40px;
  --space-24: 48px;
  --space-32: 64px;

  /* Border Radius */
  --radius-sm: 4px;
  --radius-base: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 20px;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
  --shadow-base: 0 1px 3px rgba(0, 0, 0, 0.1);
  --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1);
  --shadow-xl: 0 20px 25px rgba(0, 0, 0, 0.1);
  --shadow-primary: 0 8px 16px rgba(107, 70, 193, 0.3);
  --shadow-primary-lg: 0 20px 40px rgba(107, 70, 193, 0.25);

  /* Transitions */
  --transition-fast: 150ms ease-in-out;
  --transition-base: 250ms ease-in-out;
  --transition-slow: 350ms ease-in-out;

  /* Typography */
  --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --line-height-tight: 1.1;
  --line-height-normal: 1.5;
  --line-height-relaxed: 1.6;

  /* Z-index layers */
  --z-index-sticky: 100;
  --z-index-fixed: 1030;
  --z-index-modal: 1050;

  /* Touch targets */
  --touch-target-min: 44px;
}

/* Light Theme (Default) */
:root {
  --bg-primary: #FFFFFF;
  --bg-secondary: #F8FAFC;
  --bg-tertiary: #F1F5F9;
  --text-primary: #0F172A;
  --text-secondary: #64748B;
  --text-tertiary: #94A3B8;
  --border-primary: #E2E8F0;
  --border-secondary: #CBD5E1;
}

/* Dark Theme */
[data-theme="dark"] {
  --bg-primary: #0F172A;
  --bg-secondary: #1E293B;
  --bg-tertiary: #334155;
  --text-primary: #F1F5F9;
  --text-secondary: #CBD5E1;
  --text-tertiary: #94A3B8;
  --border-primary: #334155;
  --border-secondary: #475569;
}

/* ============================================
   PAGE LAYOUT
   ============================================ */
.episode-detail-page {
  background: var(--bg-primary);
  min-height: 100vh;
  padding-bottom: 120px; /* Space for sticky player */
}

.episode-detail-wrapper {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-16);
}

/* ============================================
   BREADCRUMB NAVIGATION
   ============================================ */
.episode-breadcrumb {
  background: linear-gradient(
    135deg,
    rgba(107, 70, 193, 0.05) 0%,
    rgba(59, 130, 246, 0.05) 100%
  );
  border-bottom: 1px solid rgba(107, 70, 193, 0.1);
  padding: var(--space-12) 0;
  margin-bottom: var(--space-24);
  position: sticky;
  top: 0;
  z-index: var(--z-index-sticky);
  backdrop-filter: blur(10px);
}

.breadcrumb-list {
  display: flex;
  align-items: center;
  gap: var(--space-8);
  list-style: none;
  flex-wrap: wrap;
  margin: 0;
  padding: 0;
}

.breadcrumb-item {
  display: flex;
  align-items: center;
  font-size: 14px;
}

.breadcrumb-link {
  color: var(--text-secondary);
  text-decoration: none;
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-base);
  transition: all var(--transition-fast);
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.breadcrumb-link:hover {
  color: var(--color-primary);
  background: rgba(107, 70, 193, 0.05);
}

.breadcrumb-link:focus {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

.breadcrumb-separator {
  color: var(--text-tertiary);
  user-select: none;
  margin: 0 var(--space-2);
}

.breadcrumb-current {
  color: var(--text-primary);
  font-weight: 600;
}

/* ============================================
   HERO SECTION
   ============================================ */
.episode-hero {
  display: grid;
  grid-template-columns: 640px 1fr;
  gap: var(--space-32);
  align-items: start;
  margin-bottom: var(--space-32);
  padding: var(--space-24);
  background: linear-gradient(
    135deg,
    rgba(107, 70, 193, 0.03) 0%,
    rgba(59, 130, 246, 0.03) 100%
  );
  border-radius: var(--radius-lg);
  border: 1px solid rgba(107, 70, 193, 0.1);
}

/* Artwork */
.episode-artwork-wrapper {
  position: relative;
  width: 640px;
  height: 640px;
  flex-shrink: 0;
}

.episode-artwork {
  width: 100%;
  height: 100%;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-primary-lg);
  background: linear-gradient(135deg, #6B46C1 0%, #8B5CF6 100%);
  position: relative;
}

.episode-artwork img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.episode-artwork:hover img {
  transform: scale(1.02);
}

/* Artwork Loading State */
.episode-artwork[data-loading="true"] {
  background: linear-gradient(
    90deg,
    var(--bg-secondary) 0%,
    var(--bg-tertiary) 50%,
    var(--bg-secondary) 100%
  );
  background-size: 200% 100%;
  animation: skeleton-loading 1.5s infinite;
}

@keyframes skeleton-loading {
  0% { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

/* Hero Content */
.episode-hero-content {
  display: flex;
  flex-direction: column;
  gap: var(--space-16);
  min-width: 0;
}

/* Badges */
.episode-badges {
  display: flex;
  gap: var(--space-8);
  flex-wrap: wrap;
  align-items: center;
}

.episode-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: 6px 12px;
  border-radius: var(--radius-full);
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  white-space: nowrap;
}

.episode-badge--category {
  background: linear-gradient(135deg, #6B46C1 0%, #8B5CF6 100%);
  color: white;
  box-shadow: 0 4px 8px rgba(107, 70, 193, 0.2);
}

.episode-badge--meta {
  background: var(--bg-tertiary);
  color: var(--text-secondary);
  border: 1px solid var(--border-primary);
}

/* Episode Title */
.episode-title {
  font-size: 48px;
  font-weight: 700;
  line-height: var(--line-height-tight);
  letter-spacing: -0.02em;
  color: var(--text-primary);
  margin: 0;
}

/* Metadata Row */
.episode-metadata {
  display: flex;
  gap: var(--space-16);
  flex-wrap: wrap;
  font-size: 14px;
  color: var(--text-secondary);
  align-items: center;
}

.episode-metadata-item {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}

.episode-metadata-item svg {
  width: 16px;
  height: 16px;
  opacity: 0.8;
}

/* Summary */
.episode-summary {
  font-size: 16px;
  line-height: var(--line-height-relaxed);
  color: var(--text-secondary);
  margin: 0;
}

.episode-summary-full {
  display: none;
}

.episode-summary[data-expanded="true"] .episode-summary-preview {
  display: none;
}

.episode-summary[data-expanded="true"] .episode-summary-full {
  display: inline;
}

.episode-summary-toggle {
  color: var(--color-primary);
  font-weight: 600;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
  margin-left: var(--space-4);
  text-decoration: underline;
  transition: opacity var(--transition-fast);
}

.episode-summary-toggle:hover {
  opacity: 0.8;
}

.episode-summary-toggle:focus {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

/* Action Buttons */
.episode-actions {
  display: flex;
  flex-direction: column;
  gap: var(--space-12);
  margin-top: var(--space-8);
}

.episode-actions-secondary {
  display: flex;
  gap: var(--space-8);
  align-items: center;
}

.episode-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-6);
  padding: 14px 28px;
  border-radius: var(--radius-md);
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-base);
  border: none;
  text-decoration: none;
  white-space: nowrap;
  min-height: var(--touch-target-min);
  font-family: var(--font-family);
}

.episode-btn--primary {
  background: linear-gradient(135deg, #6B46C1 0%, #8B5CF6 100%);
  color: white;
  box-shadow: var(--shadow-primary);
}

.episode-btn--primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 24px rgba(107, 70, 193, 0.4);
}

.episode-btn--primary:active {
  transform: translateY(0);
}

.episode-btn--primary:focus {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

.episode-btn--secondary {
  background: transparent;
  color: var(--text-primary);
  border: 2px solid var(--border-primary);
  padding: 12px 24px;
}

.episode-btn--secondary:hover {
  background: var(--bg-secondary);
  border-color: var(--color-primary);
}

.episode-btn--secondary:focus {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

.episode-btn--icon {
  width: var(--touch-target-min);
  height: var(--touch-target-min);
  padding: 0;
}

.episode-btn svg {
  width: 20px;
  height: 20px;
}

.episode-btn--primary svg {
  width: 24px;
  height: 24px;
}

/* ============================================
   STICKY AUDIO PLAYER
   ============================================ */
.episode-sticky-player {
  position: fixed;
  bottom: -120px;
  left: 0;
  right: 0;
  background: rgba(15, 23, 42, 0.95);
  backdrop-filter: blur(20px);
  border-top: 1px solid var(--border-primary);
  padding: var(--space-12) var(--space-16);
  box-shadow: 0 -4px 24px rgba(0, 0, 0, 0.1);
  z-index: var(--z-index-fixed);
  transition: transform var(--transition-base), opacity var(--transition-base);
  opacity: 0;
  transform: translateY(120px);
}

.episode-sticky-player.is-visible {
  transform: translateY(0);
  opacity: 1;
}

.sticky-player-content {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: var(--space-16);
  align-items: center;
}

.sticky-player-info {
  display: flex;
  gap: var(--space-8);
  align-items: center;
  min-width: 0;
}

.sticky-player-artwork {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-base);
  overflow: hidden;
  flex-shrink: 0;
}

.sticky-player-artwork img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.sticky-player-text {
  display: flex;
  flex-direction: column;
  gap: 4px;
  min-width: 0;
}

.sticky-player-title {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.sticky-player-subtitle {
  font-size: 12px;
  color: var(--text-secondary);
  font-variant-numeric: tabular-nums;
}

.sticky-player-controls-area {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  flex: 1;
  min-width: 0;
}

.sticky-player-controls-main {
  display: flex;
  gap: var(--space-4);
  align-items: center;
  justify-content: center;
}

.sticky-player-btn {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: transparent;
  border: none;
  color: var(--text-secondary);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-base);
  flex-shrink: 0;
}

.sticky-player-btn:hover {
  color: var(--text-primary);
  background: var(--bg-tertiary);
}

.sticky-player-btn:focus {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

.sticky-player-btn--primary {
  width: 48px;
  height: 48px;
  background: var(--color-primary);
  color: white;
}

.sticky-player-btn--primary:hover {
  background: var(--color-primary-light);
  transform: scale(1.05);
}

.sticky-player-progress-bar {
  width: 100%;
  height: 6px;
  background: var(--bg-tertiary);
  border-radius: 3px;
  position: relative;
  cursor: pointer;
  touch-action: none;
}

.sticky-player-progress-fill {
  height: 100%;
  background: linear-gradient(90deg, #6B46C1 0%, #8B5CF6 100%);
  border-radius: 3px;
  width: 0%;
  position: relative;
  transition: width 100ms linear;
}

.sticky-player-progress-handle {
  position: absolute;
  right: -6px;
  top: 50%;
  transform: translateY(-50%);
  width: 14px;
  height: 14px;
  background: white;
  border-radius: 50%;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
  opacity: 0;
  transition: opacity var(--transition-base);
}

.sticky-player-progress-bar:hover .sticky-player-progress-handle,
.sticky-player-progress-bar:active .sticky-player-progress-handle {
  opacity: 1;
}

.sticky-player-time {
  display: flex;
  justify-content: space-between;
  font-size: 12px;
  color: var(--text-tertiary);
  font-variant-numeric: tabular-nums;
  margin-top: var(--space-2);
}

.sticky-player-controls-secondary {
  display: flex;
  gap: var(--space-4);
  align-items: center;
}

/* ============================================
   INTERACTIVE TRANSCRIPT
   ============================================ */
.episode-transcript-section {
  margin-bottom: var(--space-32);
}

.transcript-container {
  max-height: 600px;
  overflow-y: auto;
  background: var(--bg-secondary);
  border-radius: var(--radius-lg);
  padding: var(--space-16);
  border: 1px solid var(--border-primary);
}

.transcript-header {
  position: sticky;
  top: 0;
  background: var(--bg-secondary);
  padding-bottom: var(--space-12);
  margin-bottom: var(--space-12);
  z-index: 10;
  border-bottom: 1px solid var(--border-primary);
  display: flex;
  align-items: flex-start;
  gap: var(--space-12);
  flex-wrap: wrap;
}

.transcript-search {
  background: var(--bg-primary);
  padding: var(--space-8);
  border-radius: var(--radius-base);
  border: 1px solid var(--border-primary);
  display: flex;
  align-items: center;
  gap: var(--space-4);
  transition: border-color var(--transition-fast);
  flex: 1;
  min-width: 300px;
}

.transcript-search:focus-within {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(107, 70, 193, 0.1);
}

.transcript-search input {
  flex: 1;
  background: transparent;
  border: none;
  outline: none;
  font-size: 14px;
  color: var(--text-primary);
  font-family: var(--font-family);
  min-height: var(--touch-target-min);
  padding: var(--space-4);
}

.transcript-search input::placeholder {
  color: var(--text-tertiary);
}

.transcript-search-icon {
  width: 16px;
  height: 16px;
  color: var(--text-tertiary);
}

.transcript-search-results {
  font-size: 12px;
  color: var(--text-secondary);
  white-space: nowrap;
}

.transcript-controls {
  display: flex;
  align-items: center;
  gap: var(--space-8);
  flex-shrink: 0;
}

.transcript-copy-btn {
  padding: var(--space-4) var(--space-8);
  background: var(--color-primary);
  color: white;
  border: none;
  border-radius: var(--radius-base);
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.transcript-copy-btn:hover {
  background: var(--color-primary-dark);
}

.transcript-copy-btn:focus {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

.transcript-segment {
  display: flex;
  gap: var(--space-8);
  padding: var(--space-12) var(--space-8);
  border-bottom: 1px solid var(--border-primary);
  transition: all var(--transition-base);
  cursor: pointer;
}

.transcript-segment:last-child {
  border-bottom: none;
}

.transcript-segment:hover {
  background: var(--bg-tertiary);
  border-radius: var(--radius-base);
}

.transcript-segment--active {
  background: rgba(107, 70, 193, 0.05);
  border-left: 3px solid var(--color-primary);
  padding-left: calc(var(--space-8) - 3px);
}

.transcript-timestamp-btn {
  background: var(--color-primary);
  color: white;
  border: none;
  border-radius: 6px;
  padding: 4px 8px;
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-base);
  flex-shrink: 0;
  font-variant-numeric: tabular-nums;
  min-height: var(--touch-target-min);
  display: flex;
  align-items: center;
  font-family: var(--font-family);
}

.transcript-timestamp-btn:hover {
  background: var(--color-primary-light);
  transform: scale(1.05);
}

.transcript-timestamp-btn:active {
  transform: scale(0.95);
}

.transcript-timestamp-btn:focus {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

.transcript-content {
  flex: 1;
  font-size: 15px;
  line-height: var(--line-height-relaxed);
  min-width: 0;
}

.transcript-speaker {
  font-weight: 600;
  color: var(--color-primary);
  margin-right: var(--space-4);
}

.transcript-text {
  color: var(--text-primary);
  word-wrap: break-word;
}

.transcript-highlight {
  background: #FEF08A;
  color: #854D0E;
  padding: 2px 4px;
  border-radius: 2px;
}

/* Custom Scrollbar */
.transcript-container::-webkit-scrollbar {
  width: 8px;
}

.transcript-container::-webkit-scrollbar-track {
  background: rgba(107, 70, 193, 0.05);
  border-radius: 4px;
}

.transcript-container::-webkit-scrollbar-thumb {
  background: rgba(107, 70, 193, 0.3);
  border-radius: 4px;
}

.transcript-container::-webkit-scrollbar-thumb:hover {
  background: rgba(107, 70, 193, 0.5);
}

/* ============================================
   KEYWORDS/TAGS SECTION
   ============================================ */
.episode-keywords-section {
  margin-bottom: var(--space-32);
}

.keywords-container {
  background: var(--bg-secondary);
  border-radius: var(--radius-lg);
  padding: var(--space-24);
  border: 1px solid rgba(107, 70, 193, 0.1);
}

.keywords-title {
  font-size: 18px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: var(--space-16);
  display: flex;
  align-items: center;
  gap: var(--space-4);
}

.keywords-title::before {
  content: '#';
  color: var(--color-primary);
  font-size: 20px;
}

.keywords-list {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-8);
}

.keyword-tag {
  display: inline-flex;
  align-items: center;
  padding: 8px 16px;
  background: linear-gradient(135deg, rgba(107, 70, 193, 0.1) 0%, rgba(139, 92, 246, 0.1) 100%);
  border: 1px solid rgba(107, 70, 193, 0.2);
  color: var(--color-primary);
  border-radius: var(--radius-full);
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition-base);
  text-decoration: none;
}

.keyword-tag:hover {
  background: linear-gradient(135deg, rgba(107, 70, 193, 0.2) 0%, rgba(139, 92, 246, 0.2) 100%);
  border-color: rgba(107, 70, 193, 0.4);
  transform: translateY(-2px);
  box-shadow: 0 4px 8px rgba(107, 70, 193, 0.15);
}

.keyword-tag:focus {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

/* ============================================
   RELATED EPISODES SECTION
   ============================================ */
.related-episodes-section {
  margin-bottom: var(--space-32);
}

.section-title {
  font-size: 30px;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: var(--space-24);
  position: relative;
  padding-left: var(--space-12);
}

.section-title::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 4px;
  height: 70%;
  background: linear-gradient(180deg, #6B46C1 0%, #8B5CF6 100%);
  border-radius: 2px;
}

.related-episodes-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: var(--space-16);
}

.episode-card {
  background: var(--bg-secondary);
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid rgba(107, 70, 193, 0.1);
  transition: all var(--transition-base);
  cursor: pointer;
}

.episode-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 24px rgba(107, 70, 193, 0.15);
  border-color: rgba(107, 70, 193, 0.3);
}

.episode-card-artwork {
  position: relative;
  aspect-ratio: 16/9;
  overflow: hidden;
  background: linear-gradient(135deg, rgba(107, 70, 193, 0.1) 0%, rgba(59, 130, 246, 0.1) 100%);
}

.episode-card-artwork img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.episode-card:hover .episode-card-artwork img {
  transform: scale(1.05);
}

.episode-card-play-overlay {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity var(--transition-base);
}

.episode-card:hover .episode-card-play-overlay {
  opacity: 1;
}

.episode-card-play-btn {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: white;
  border: none;
  color: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: transform var(--transition-base);
}

.episode-card-play-btn:hover {
  transform: scale(1.1);
}

.episode-card-content {
  padding: var(--space-16);
}

.episode-card-category {
  display: inline-block;
  padding: 4px 10px;
  background: rgba(107, 70, 193, 0.1);
  border-radius: 12px;
  font-size: 12px;
  font-weight: 500;
  color: var(--color-primary);
  margin-bottom: var(--space-8);
}

.episode-card-title {
  font-size: 15px;
  font-weight: 600;
  line-height: 1.4;
  color: var(--text-primary);
  margin-bottom: var(--space-8);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.episode-card-title a {
  color: inherit;
  text-decoration: none;
  transition: color var(--transition-fast);
}

.episode-card-title a:hover {
  color: var(--color-primary);
}

.episode-card-metadata {
  display: flex;
  gap: var(--space-12);
  font-size: 13px;
  color: var(--text-secondary);
}

/* ============================================
   SHARE MODAL
   ============================================ */
.share-modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: var(--z-index-modal);
  opacity: 0;
  transition: opacity var(--transition-base);
  pointer-events: none;
}

.share-modal-backdrop.is-visible {
  opacity: 1;
  pointer-events: auto;
}

.share-modal {
  width: 90vw;
  max-width: 480px;
  background: var(--bg-primary);
  border-radius: var(--radius-lg);
  padding: var(--space-24);
  box-shadow: var(--shadow-xl);
  transform: scale(0.95);
  transition: transform var(--transition-base);
}

.share-modal-backdrop.is-visible .share-modal {
  transform: scale(1);
}

.share-modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--space-12);
}

.share-modal-title {
  font-size: 24px;
  font-weight: 700;
  color: var(--text-primary);
}

.share-modal-close {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: transparent;
  border: none;
  color: var(--text-tertiary);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-base);
}

.share-modal-close:hover {
  background: var(--bg-tertiary);
  color: var(--text-primary);
}

.share-modal-description {
  font-size: 15px;
  color: var(--text-secondary);
  line-height: var(--line-height-normal);
  margin-bottom: var(--space-16);
}

.share-social-buttons {
  display: flex;
  gap: var(--space-12);
  margin-bottom: var(--space-16);
}

.share-social-btn {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-md);
  background: var(--bg-secondary);
  border: 1px solid var(--border-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all var(--transition-base);
  font-size: 24px;
}

.share-social-btn:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.share-copy-field {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 48px;
  background: var(--bg-secondary);
  border: 1px solid var(--border-primary);
  border-radius: var(--radius-base);
  padding: 0 var(--space-12);
  margin-bottom: var(--space-12);
}

.share-copy-field input {
  flex: 1;
  background: transparent;
  border: none;
  outline: none;
  font-size: 14px;
  color: var(--text-secondary);
  font-family: var(--font-family);
}

.share-copy-btn {
  background: var(--color-primary);
  color: white;
  border: none;
  padding: 8px 16px;
  border-radius: 6px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-base);
  font-family: var(--font-family);
}

.share-copy-btn:hover {
  background: var(--color-primary-dark);
}

/* ============================================
   TOAST NOTIFICATIONS
   ============================================ */
.toast {
  position: fixed;
  top: var(--space-24);
  right: var(--space-24);
  background: var(--bg-primary);
  color: var(--text-primary);
  padding: var(--space-12) var(--space-16);
  border-radius: var(--radius-base);
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--border-primary);
  z-index: calc(var(--z-index-modal) + 10);
  opacity: 0;
  transform: translateX(100%);
  transition: all var(--transition-base);
}

.toast--visible {
  opacity: 1;
  transform: translateX(0);
}

.toast--success {
  border-color: var(--color-success);
  background: #ECFDF5;
  color: #065F46;
}

.toast--error {
  border-color: var(--color-error);
  background: #FEF2F2;
  color: #991B1B;
}

/* ============================================
   RESPONSIVE DESIGN
   ============================================ */

/* Tablet (768px - 1023px) */
@media (max-width: 1023px) {
  .episode-hero {
    grid-template-columns: 480px 1fr;
    gap: var(--space-24);
  }

  .episode-artwork-wrapper {
    width: 480px;
    height: 480px;
  }

  .episode-title {
    font-size: 36px;
  }

  .section-title {
    font-size: 24px;
  }
}

/* Mobile (767px and below) */
@media (max-width: 767px) {
  .episode-detail-wrapper {
    padding: 0 var(--space-12);
  }

  .episode-hero {
    grid-template-columns: 1fr;
    gap: var(--space-16);
    padding: var(--space-16);
  }

  .episode-artwork-wrapper {
    width: 100%;
    max-width: 480px;
    height: auto;
    aspect-ratio: 1;
    margin: 0 auto;
  }

  .episode-title {
    font-size: 28px;
  }

  .episode-metadata {
    gap: var(--space-8);
  }

  .episode-actions {
    flex-direction: column;
  }

  .episode-btn {
    width: 100%;
    justify-content: center;
  }

  .episode-btn--icon {
    width: var(--touch-target-min);
  }

  .sticky-player-content {
    grid-template-columns: 1fr;
    gap: var(--space-8);
  }

  .sticky-player-controls-secondary {
    justify-content: center;
  }

  .related-episodes-grid {
    grid-template-columns: 1fr;
  }

  .transcript-container {
    max-height: 450px;
  }

  .section-title {
    font-size: 24px;
  }
}

/* Small mobile (less than 375px) */
@media (max-width: 374px) {
  .episode-title {
    font-size: 24px;
  }

  .sticky-player-controls-secondary .sticky-player-btn:nth-child(n+3) {
    display: none;
  }
}

/* ============================================
   ACCESSIBILITY
   ============================================ */

/* Focus visible for keyboard navigation */
:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

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

/* Reduce motion for users who prefer it */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

/* High contrast mode */
@media (prefers-contrast: high) {
  .episode-hero,
  .keywords-container,
  .transcript-container,
  .episode-card {
    border-width: 2px;
  }

  *:focus {
    outline-width: 3px;
    outline-offset: 3px;
  }
}

/* ============================================
   PRINT STYLES
   ============================================ */
@media print {
  .episode-breadcrumb,
  .episode-actions,
  .episode-sticky-player,
  .share-modal-backdrop {
    display: none;
  }

  .episode-hero {
    grid-template-columns: 1fr;
    gap: var(--space-16);
  }

  .episode-artwork-wrapper {
    width: 200px;
    height: 200px;
  }

  body {
    background: white;
    color: black;
  }
}