/*
 * ==========================================================================
 * EPISODES — Featured episode cinematic display, episode cards, grid
 * Uses CSS container queries for component-level responsiveness.
 * BEM: .episode-featured, .episode-card, .episode-grid, .episode-player
 * ==========================================================================
 */

/* ==========================================================================
   FEATURED EPISODE — Cinematic display
   ========================================================================== */

.episode-featured {
  container-type: inline-size;
  container-name: featured;
  position: relative;
  padding: var(--sp-4);
  background: var(--color-bg-tertiary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-xl), var(--shadow-atm);
  overflow: hidden;
  transition: box-shadow var(--transition-slow);
}

/* Atmospheric corner glow */
.episode-featured::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(
    90deg,
    transparent 0%,
    var(--color-border-glow) 30%,
    var(--color-accent-bright) 50%,
    var(--color-border-glow) 70%,
    transparent 100%
  );
  opacity: 0.8;
}

/* Subtle inner glow */
.episode-featured::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: var(--radius-xl);
  box-shadow: inset 0 0 60px rgba(7, 10, 13, 0.5);
  pointer-events: none;
  z-index: var(--z-raised);
}

/* --- Featured: label bar --- */
.episode-featured__label {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  margin-bottom: var(--sp-4);
}

.episode-featured__badge {
  font-family: var(--font-ui);
  font-size: var(--fs-2xs);
  font-weight: var(--fw-bold);
  letter-spacing: var(--ls-widest);
  text-transform: uppercase;
  color: var(--color-accent-text);
  background: var(--color-accent-subtle);
  border: 1px solid var(--color-border-accent);
  padding: var(--sp-1) var(--sp-3);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  gap: var(--sp-2);
}

/* Pulsing dot */
.episode-featured__badge::before {
  content: '';
  width: 6px;
  height: 6px;
  background: var(--color-accent-bright);
  border-radius: var(--radius-full);
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50%       { opacity: 0.4; transform: scale(0.75); }
}

.episode-featured__number {
  font-family: var(--font-ui);
  font-size: var(--fs-xs);
  color: var(--color-text-muted);
  letter-spacing: var(--ls-wide);
}

/* --- Featured: media frame --- */
.episode-featured__media {
  container-type: inline-size;
  container-name: featured-media;
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: #000;
  box-shadow:
    0 0 0 1px var(--color-border),
    var(--shadow-lg),
    0 0 60px rgba(0, 0, 0, 0.6);
}

/* Cinematic aspect ratio */
.episode-featured__iframe-wrap {
  position: relative;
  padding-bottom: 56.25%; /* 16:9 */
  height: 0;
  overflow: hidden;
}

.episode-featured__iframe-wrap iframe {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border: none;
  display: block;
}

/* Film grain overlay on media */
.episode-featured__grain {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: var(--z-raised);
  opacity: 0.04;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)'/%3E%3C/svg%3E");
  background-size: 200px 200px;
  animation: grainShift 0.15s steps(1) infinite;
}

@keyframes grainShift {
  0%  { background-position: 0 0; }
  25% { background-position: -40px -20px; }
  50% { background-position: 20px -40px; }
  75% { background-position: -20px 20px; }
}

/* Scan-line overlay for CRT effect */
.episode-featured__scanlines {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: var(--z-raised);
  background: repeating-linear-gradient(
    0deg,
    transparent,
    transparent 2px,
    rgba(0, 0, 0, 0.04) 2px,
    rgba(0, 0, 0, 0.04) 4px
  );
}

/* Vignette around media */
.episode-featured__vignette {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: var(--z-raised);
  background: radial-gradient(
    ellipse at center,
    transparent 60%,
    rgba(0, 0, 0, 0.6) 100%
  );
}

/* --- Featured: meta section (below video) --- */
.episode-featured__meta {
  padding: var(--sp-6) var(--sp-2) var(--sp-2);
}

.episode-featured__category {
  margin-bottom: var(--sp-3);
}

.episode-featured__title {
  font-family: var(--font-heading);
  font-size: clamp(var(--fs-xl), 3cqi, var(--fs-3xl));
  font-weight: var(--fw-bold);
  letter-spacing: var(--ls-wide);
  color: var(--color-text-primary);
  line-height: var(--lh-snug);
  margin-bottom: var(--sp-3);
}

.episode-featured__title a {
  color: inherit;
  text-decoration: none;
  transition: color var(--transition-base);
}

.episode-featured__title a:hover {
  color: var(--color-accent-text);
}

.episode-featured__excerpt {
  font-family: var(--font-body);
  font-size: var(--fs-base);
  font-style: italic;
  color: var(--color-text-secondary);
  line-height: var(--lh-relaxed);
  margin-bottom: var(--sp-6);
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.episode-featured__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-3);
  align-items: center;
}

/* Container query: side-by-side layout on wide containers */
@container featured (min-width: 700px) {
  .episode-featured {
    padding: var(--sp-8);
  }
  .episode-featured__inner {
    display: grid;
    grid-template-columns: 3fr 2fr;
    gap: var(--sp-8);
    align-items: start;
  }
  .episode-featured__media {
    grid-column: 1;
  }
  .episode-featured__meta {
    grid-column: 2;
    padding: var(--sp-4) 0 0;
  }
}

/* ==========================================================================
   EPISODE CARD — Compact card for grid/list display
   ========================================================================== */

.episode-card {
  container-type: inline-size;
  container-name: ep-card;
  position: relative;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  overflow: hidden;
  transition:
    transform var(--transition-base),
    box-shadow var(--transition-base),
    border-color var(--transition-base);
}

.episode-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg), var(--shadow-glow);
  border-color: var(--color-border-accent);
}

/* Top accent line on hover */
.episode-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--color-accent), var(--color-accent-bright));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition-base);
}

.episode-card:hover::before {
  transform: scaleX(1);
}

/* --- Card: thumbnail --- */
.episode-card__thumbnail {
  position: relative;
  overflow: hidden;
  aspect-ratio: 16 / 9;
  background: var(--color-bg-elevated);
}

.episode-card__thumbnail img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow) var(--ease-out), filter var(--transition-slow);
}

.episode-card:hover .episode-card__thumbnail img {
  transform: scale(1.05);
  filter: brightness(0.85);
}

/* Episode number overlay on thumbnail */
.episode-card__ep-number {
  position: absolute;
  bottom: var(--sp-3);
  left: var(--sp-3);
  font-family: var(--font-ui);
  font-size: var(--fs-2xs);
  font-weight: var(--fw-bold);
  letter-spacing: var(--ls-widest);
  text-transform: uppercase;
  color: #fff;
  background: rgba(0, 0, 0, 0.75);
  backdrop-filter: blur(4px);
  padding: var(--sp-1) var(--sp-3);
  border-radius: var(--radius-full);
}

/* Category badge on thumbnail */
.episode-card__cat-badge {
  position: absolute;
  top: var(--sp-3);
  right: var(--sp-3);
}

/* Play button overlay */
.episode-card__play-overlay {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity var(--transition-base);
  background: rgba(0, 0, 0, 0.3);
}

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

.episode-card__play-btn {
  width: 56px;
  height: 56px;
  background: var(--color-accent-bright);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 0 0 6px var(--color-accent-glow), var(--shadow-lg);
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.episode-card__play-btn:hover {
  transform: scale(1.1);
  box-shadow: 0 0 0 10px var(--color-accent-glow), var(--shadow-glow-lg);
}

.episode-card__play-btn svg {
  width: 20px;
  height: 20px;
  fill: #fff;
  margin-left: 3px; /* optical center for play triangle */
}

/* --- Card: body --- */
.episode-card__body {
  padding: var(--sp-5) var(--sp-5) var(--sp-6);
  display: flex;
  flex-direction: column;
  gap: var(--sp-3);
}

.episode-card__meta {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  flex-wrap: wrap;
}

.episode-card__date {
  font-family: var(--font-ui);
  font-size: var(--fs-xs);
  color: var(--color-text-muted);
}

.episode-card__duration {
  font-family: var(--font-ui);
  font-size: var(--fs-xs);
  color: var(--color-text-muted);
  display: flex;
  align-items: center;
  gap: var(--sp-1);
}

.episode-card__duration svg {
  width: 12px;
  height: 12px;
  fill: currentColor;
}

.episode-card__title {
  font-family: var(--font-heading);
  font-size: clamp(var(--fs-base), 2.5cqi, var(--fs-lg));
  font-weight: var(--fw-bold);
  letter-spacing: var(--ls-wide);
  line-height: var(--lh-snug);
  color: var(--color-text-primary);
  margin: 0;
}

.episode-card__title a {
  color: inherit;
  text-decoration: none;
  transition: color var(--transition-base);
}

.episode-card__title a:hover {
  color: var(--color-accent-text);
}

.episode-card__excerpt {
  font-family: var(--font-body);
  font-size: var(--fs-sm);
  font-style: italic;
  color: var(--color-text-secondary);
  line-height: var(--lh-relaxed);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* Container query: horizontal layout for wide card containers */
@container ep-card (min-width: 500px) {
  .episode-card__inner {
    display: grid;
    grid-template-columns: 200px 1fr;
  }
  .episode-card__thumbnail {
    aspect-ratio: 1 / 1;
    height: 100%;
  }
}

/* ==========================================================================
   CATEGORY BADGE
   ========================================================================== */

.cat-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-1);
  font-family: var(--font-ui);
  font-size: var(--fs-2xs);
  font-weight: var(--fw-bold);
  letter-spacing: var(--ls-widest);
  text-transform: uppercase;
  padding: 3px var(--sp-3);
  border-radius: var(--radius-full);
  border: 1px solid;
}

.cat-badge--ghosts {
  color: #b0c8d0;
  background: rgba(176, 200, 208, 0.10);
  border-color: rgba(176, 200, 208, 0.30);
}
.cat-badge--creatures {
  color: #a8c890;
  background: rgba(168, 200, 144, 0.10);
  border-color: rgba(168, 200, 144, 0.30);
}
.cat-badge--ufo {
  color: #d4b870;
  background: rgba(212, 184, 112, 0.10);
  border-color: rgba(212, 184, 112, 0.30);
}
.cat-badge--other {
  color: var(--color-text-muted);
  background: var(--color-bg-elevated);
  border-color: var(--color-border);
}

/* ==========================================================================
   EPISODE GRID — Layout for episode listings
   ========================================================================== */

.episode-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--sp-6);
}

@media (min-width: 640px) {
  .episode-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (min-width: 1024px) {
  .episode-grid { grid-template-columns: repeat(3, 1fr); }
}

/* --- Filter tabs --- */
.episode-filters {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-2);
  margin-bottom: var(--sp-8);
}

.episode-filter-btn {
  font-family: var(--font-ui);
  font-size: var(--fs-xs);
  font-weight: var(--fw-bold);
  letter-spacing: var(--ls-widest);
  text-transform: uppercase;
  padding: var(--sp-2) var(--sp-5);
  border-radius: var(--radius-full);
  border: 1px solid var(--color-border-mid);
  background: transparent;
  color: var(--color-text-muted);
  cursor: pointer;
  transition: all var(--transition-base);
}

.episode-filter-btn:hover {
  border-color: var(--color-border-accent);
  color: var(--color-text-primary);
}

.episode-filter-btn.is-active {
  background: var(--color-accent-bright);
  border-color: var(--color-accent-bright);
  color: #fff;
  box-shadow: var(--shadow-glow);
}

/* ==========================================================================
   PODLOVE PLAYER — Style overrides
   ========================================================================== */

.episode-audio-player {
  margin-top: var(--sp-4);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

/* Override Podlove Web Player colors to match theme */
.episode-audio-player .podlove-web-player {
  --pwp-bg: var(--color-bg-elevated) !important;
  --pwp-text: var(--color-text-primary) !important;
  --pwp-highlight: var(--color-accent-bright) !important;
}

/* ==========================================================================
   SINGLE EPISODE PAGE
   ========================================================================== */

.episode-single {
  padding-top: calc(var(--nav-height) + var(--sp-12));
}

.episode-single__hero {
  position: relative;
  aspect-ratio: 21 / 9;
  background: var(--color-bg-secondary);
  border-radius: var(--radius-xl);
  overflow: hidden;
  margin-bottom: var(--sp-10);
}

.episode-single__hero img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.episode-single__hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 40%, var(--color-bg-primary) 100%);
}

.episode-single__header {
  margin-bottom: var(--sp-8);
}

.episode-single__number {
  font-family: var(--font-ui);
  font-size: var(--fs-xs);
  font-weight: var(--fw-bold);
  letter-spacing: var(--ls-widest);
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin-bottom: var(--sp-3);
}

.episode-single__title {
  font-family: var(--font-heading);
  font-weight: var(--fw-bold);
  font-size: clamp(var(--fs-2xl), 4vw, var(--fs-4xl));
  letter-spacing: var(--ls-wide);
  color: var(--color-text-primary);
  margin-bottom: var(--sp-4);
  line-height: var(--lh-tight);
}

.episode-single__meta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-4);
  align-items: center;
  padding-bottom: var(--sp-6);
  border-bottom: 1px solid var(--color-border);
}

.episode-single__content {
  display: grid;
  gap: var(--sp-12);
}

@media (min-width: 1024px) {
  .episode-single__content {
    grid-template-columns: 1fr 320px;
    align-items: start;
  }
}