/* ============================================
   ELEVATED THOUGHTS — Episode Detail Page
   ============================================ */

/* Episode Header */
.episode-header {
  padding-top: calc(var(--nav-height) + var(--space-16));
  padding-bottom: var(--space-8);
  position: relative;
  overflow: hidden;
}

.episode-header::before {
  content: '';
  position: absolute;
  top: -40%;
  left: 50%;
  transform: translateX(-50%);
  width: 100%;
  height: 120%;
  background: radial-gradient(
    ellipse 50% 60% at 50% 20%,
    var(--accent-glow) 0%,
    rgba(217, 123, 0, 0.05) 40%,
    transparent 70%
  );
  opacity: 0.4;
  pointer-events: none;
}

.episode-header__content {
  position: relative;
  z-index: 1;
  max-width: 48rem;
}

.episode-header__back {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-weight: var(--weight-medium);
  letter-spacing: var(--tracking-wider);
  text-transform: uppercase;
  color: var(--text-muted);
  text-decoration: none;
  margin-bottom: var(--space-8);
  transition: color var(--duration-fast) var(--ease-smooth);
}

.episode-header__back:hover {
  color: var(--accent);
}

.episode-header__meta {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--text-muted);
  letter-spacing: var(--tracking-wider);
  text-transform: uppercase;
  margin-bottom: var(--space-4);
  flex-wrap: wrap;
}

.episode-header__number {
  color: var(--accent);
  font-weight: var(--weight-medium);
}

.episode-header__dot {
  width: 4px;
  height: 4px;
  background: var(--text-muted);
  border-radius: 50%;
  opacity: 0.5;
}

.episode-header__title {
  font-size: clamp(2.1rem, 1.4rem + 2.5vw, 3rem);
  line-height: 1.15;
  letter-spacing: -0.02em;
  background: linear-gradient(
    180deg,
    rgba(255, 255, 255, 0.95) 0%,
    rgba(255, 255, 255, 0.65) 100%
  );
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.episode-header__excerpt {
  font-size: var(--text-lg);
  color: var(--text-secondary);
  margin-top: var(--space-6);
  max-width: 48ch;
}

/* Embed section — wider than narrow container on desktop */
@media (min-width: 768px) {
  .episode-player,
  .episode-spotify {
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
  }
}

/* YouTube Video Embed */
.episode-player {
  margin-bottom: var(--space-6);
}

.episode-player__video {
  position: relative;
  width: 100%;
  padding-bottom: 56.25%; /* 16:9 */
  background: var(--bg-surface);
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border);
}

.episode-player__video iframe {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border: 0;
}

/* Spotify Audio Player */
.episode-spotify {
  margin-bottom: var(--space-6);
}

.episode-spotify iframe {
  border-radius: var(--radius-md);
}

/* Fallback Card */
.episode-fallback {
  text-align: center;
  padding: var(--space-8);
}

.episode-platforms {
  display: flex;
  gap: var(--space-4);
  justify-content: center;
  margin-top: var(--space-6);
}

/* Collapsible Cards */
.collapsible-card {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  margin-bottom: var(--space-4);
  overflow: hidden;
}

.collapsible-card__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-5) var(--space-6);
  cursor: pointer;
  list-style: none;
  user-select: none;
  transition: background var(--duration-fast) var(--ease-smooth);
}

.collapsible-card__header::-webkit-details-marker {
  display: none;
}

.collapsible-card__header:hover {
  background: rgba(255, 255, 255, 0.03);
}

.collapsible-card__title {
  font-size: var(--text-base);
  font-weight: var(--weight-semibold);
  margin: 0;
}

.collapsible-card__icon {
  flex-shrink: 0;
  color: var(--text-muted);
  transition: transform var(--duration-normal) var(--ease-smooth);
}

.collapsible-card[open] .collapsible-card__icon {
  transform: rotate(180deg);
}

.collapsible-card__body {
  padding: 0 var(--space-6) var(--space-6);
  color: var(--text-secondary);
  line-height: 1.7;
}

.collapsible-card__body p {
  margin-bottom: var(--space-4);
}

.collapsible-card__body p:last-child {
  margin-bottom: 0;
}

.collapsible-card__body a {
  color: var(--accent);
  text-decoration: underline;
  text-underline-offset: 2px;
}

.collapsible-card__body a:hover {
  color: var(--text-primary);
}

/* Transcript-specific */
.collapsible-card__body--transcript {
  max-height: 60vh;
  overflow-y: auto;
  font-size: var(--text-sm);
}

.collapsible-card__body--transcript::-webkit-scrollbar {
  width: 6px;
}

.collapsible-card__body--transcript::-webkit-scrollbar-track {
  background: transparent;
}

.collapsible-card__body--transcript::-webkit-scrollbar-thumb {
  background: var(--border);
  border-radius: 3px;
}

.episode-notes__content a {
  color: var(--accent);
  text-decoration: underline;
  text-underline-offset: 2px;
}

.episode-notes__content a:hover {
  color: var(--text-primary);
}

/* Platform Links */
.episode-links {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.episode-links__row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
  gap: var(--space-3);
  max-width: 400px;
}

.episode-links__link {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-4);
  color: var(--text-secondary);
  text-decoration: none;
  font-size: var(--text-sm);
  font-weight: var(--weight-medium);
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-md);
  transition: color var(--duration-fast) var(--ease-smooth),
              transform 0.25s cubic-bezier(0.16, 1, 0.3, 1),
              background var(--duration-fast) var(--ease-smooth),
              border-color var(--duration-fast) var(--ease-smooth);
}

.episode-links__link svg {
  width: 18px;
  height: 18px;
  fill: currentColor;
  flex-shrink: 0;
  transition: transform 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

.episode-links__link:hover {
  color: var(--accent);
  transform: translateY(-2px);
  background: rgba(255, 255, 255, 0.06);
  border-color: rgba(255, 255, 255, 0.15);
}

.episode-links__link:hover svg {
  transform: scale(1.1);
}

/* Prev / Next Navigation */
.episode-nav {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-4);
}

@media (min-width: 640px) {
  .episode-nav {
    grid-template-columns: 1fr 1fr;
  }
}

.episode-nav__link {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  padding: var(--space-5);
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  text-decoration: none;
  position: relative;
  overflow: hidden;
  transition: border-color var(--duration-fast) var(--ease-smooth),
              transform var(--duration-fast) var(--ease-smooth),
              box-shadow var(--duration-fast) var(--ease-smooth);
}

/* Subtle glow effect on hover */
.episode-nav__link::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(
    ellipse 120% 80% at 50% 100%,
    var(--accent-glow) 0%,
    transparent 60%
  );
  opacity: 0;
  transition: opacity var(--duration-fast) var(--ease-smooth);
  pointer-events: none;
}

.episode-nav__link:hover {
  border-color: var(--border-accent);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
}

.episode-nav__link:hover::before {
  opacity: 0.4;
}

.episode-nav__link--next {
  text-align: right;
}

@media (min-width: 640px) {
  .episode-nav__link--next {
    grid-column: 2;
  }
}

.episode-nav__label {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-weight: var(--weight-medium);
  letter-spacing: var(--tracking-wider);
  text-transform: uppercase;
  color: var(--accent);
}

/* Arrow slide animation on hover */
.episode-nav__label svg {
  transition: transform var(--duration-fast) var(--ease-spring);
}

.episode-nav__link--prev:hover .episode-nav__label svg {
  transform: translateX(-4px);
}

.episode-nav__link--next:hover .episode-nav__label svg {
  transform: translateX(4px);
}

.episode-nav__link--next .episode-nav__label {
  justify-content: flex-end;
}

.episode-nav__title {
  font-size: var(--text-sm);
  color: var(--text-secondary);
  line-height: 1.4;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  transition: color var(--duration-fast) var(--ease-smooth);
}

/* Title brightens on hover */
.episode-nav__link:hover .episode-nav__title {
  color: var(--text-primary);
}

/* ═══════════════════════════════════════════════
   Share Episode Section
   ═══════════════════════════════════════════════ */
.episode-share {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  padding-top: var(--space-6);
  border-top: 1px solid var(--border);
}

.episode-share__row {
  display: flex;
  gap: var(--space-4);
  flex-wrap: wrap;
}

.episode-share__link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-4);
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  color: var(--text-secondary);
  text-decoration: none;
  font-size: var(--text-sm);
  font-weight: var(--weight-medium);
  cursor: pointer;
  transition: all var(--duration-fast) var(--ease-smooth);
}

.episode-share__link:hover {
  border-color: var(--border-hover);
  transform: translateY(-2px);
}

.episode-share__link svg {
  flex-shrink: 0;
}

/* Twitter/X hover */
.episode-share__link--twitter:hover {
  color: var(--text-primary);
  border-color: rgba(255, 255, 255, 0.3);
}

/* Facebook hover */
.episode-share__link--facebook:hover {
  color: #1877F2;
  border-color: rgba(24, 119, 242, 0.4);
}

/* Copy link button */
.episode-share__link--copy {
  font-family: inherit;
  outline: none;
}

.episode-share__link--copy:hover {
  color: var(--accent);
  border-color: var(--border-accent);
}

.episode-share__link--copy.copied {
  color: #22c55e;
  border-color: rgba(34, 197, 94, 0.4);
  background: rgba(34, 197, 94, 0.08);
}

.episode-share__link--copy .check-icon {
  color: #22c55e;
}

/* Native share button — accent styling for prominence */
.episode-share__link--native {
  font-family: inherit;
  outline: none;
  background: var(--accent-subtle);
  border-color: var(--border-accent);
  color: var(--accent);
}

.episode-share__link--native:hover {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--bg-deep);
}

/* Mobile: stack buttons */
@media (max-width: 479px) {
  .episode-share__row {
    flex-direction: column;
  }

  .episode-share__link {
    justify-content: center;
    min-height: 44px;
  }

  /* Native share button takes full width on mobile */
  .episode-share__link--native {
    width: 100%;
    padding: var(--space-4) var(--space-5);
    font-size: var(--text-base);
    font-weight: var(--weight-semibold);
  }
}

/* ═══════════════════════════════════════════════
   Share Confirmation Toast
   ═══════════════════════════════════════════════ */
.share-toast {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%) translateY(20px);
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-5);
  background: var(--bg-surface);
  border: 1px solid #22c55e;
  border-radius: var(--radius-full);
  color: #22c55e;
  font-size: var(--text-sm);
  font-weight: var(--weight-semibold);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.4), 0 0 0 1px rgba(34, 197, 94, 0.2);
  z-index: 9999;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease, transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.share-toast.visible {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

.share-toast svg {
  flex-shrink: 0;
}

/* Account for safe-area on mobile */
@supports (padding-bottom: env(safe-area-inset-bottom)) {
  .share-toast {
    bottom: calc(24px + env(safe-area-inset-bottom));
  }
}

/* ═══════════════════════════════════════════════
   Keyboard Navigation Hint
   ═══════════════════════════════════════════════ */
.keyboard-hint {
  display: none;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  margin-top: var(--space-4);
  padding: var(--space-2) var(--space-4);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--text-muted);
  opacity: 0;
  animation: keyboardHintFade 0.5s ease 2s forwards;
}

@keyframes keyboardHintFade {
  from { opacity: 0; transform: translateY(4px); }
  to { opacity: 1; transform: translateY(0); }
}

.keyboard-hint svg {
  flex-shrink: 0;
  color: var(--accent);
  opacity: 0.7;
}

/* Only show on desktop with pointer (not touch devices) */
@media (hover: hover) and (pointer: fine) and (min-width: 640px) {
  .keyboard-hint {
    display: flex;
  }
}

/* Hide on mobile and touch devices */
@media (hover: none), (pointer: coarse), (max-width: 639px) {
  .keyboard-hint {
    display: none !important;
  }
}

/* Respect reduced motion */
@media (prefers-reduced-motion: reduce) {
  .keyboard-hint {
    animation: none;
    opacity: 1;
  }
}