/* ============ AI Podcast Hub — Interactive Enhancements ============ */

/* === Animated Aurora Background === */
.bg-aurora {
  position: fixed; top: 0; left: 0; width: 100%; height: 100%;
  z-index: -3; pointer-events: none; overflow: hidden;
  background: var(--bg);
}
.aurora-blob {
  position: absolute; width: 600px; height: 600px;
  border-radius: 50%; filter: blur(120px);
  opacity: 0.18; mix-blend-mode: screen;
  animation: float 18s ease-in-out infinite;
}
.aurora-1 { background: #6c5ce7; top: -200px; left: -100px; }
.aurora-2 { background: #00b894; top: 30%; right: -200px; animation-delay: -6s; }
.aurora-3 { background: #00f0ff; bottom: -200px; left: 30%; animation-delay: -12s; }
@keyframes float {
  0%, 100% { transform: translate(0, 0) scale(1); }
  33% { transform: translate(60px, -50px) scale(1.1); }
  66% { transform: translate(-40px, 40px) scale(0.95); }
}

/* === Subtle Grid Overlay === */
.bg-grid {
  position: fixed; top: 0; left: 0; width: 100%; height: 100%;
  z-index: -2; pointer-events: none;
  background-image:
    linear-gradient(rgba(255,255,255,0.015) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.015) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse at center, #000 30%, transparent 80%);
  -webkit-mask-image: radial-gradient(ellipse at center, #000 30%, transparent 80%);
}

/* === Star canvas === */
.bg-stars {
  position: fixed; top: 0; left: 0; width: 100%; height: 100%;
  z-index: -1; pointer-events: none; opacity: 0.5;
}

/* === Scroll Progress Bar === */
.scroll-progress {
  position: fixed; top: 0; left: 0; height: 3px;
  background: linear-gradient(90deg, #6c5ce7, #00b894, #00f0ff);
  z-index: 1000; width: 0%; transition: width 0.1s;
  box-shadow: 0 0 10px rgba(108,92,231,0.5);
}

/* === Hero — Enhanced === */
.hero {
  position: relative; padding: 100px 32px 60px;
  text-align: center; overflow: hidden;
}
.hero-badge {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 6px 16px; border-radius: 100px;
  background: rgba(108,92,231,0.1); border: 1px solid rgba(108,92,231,0.3);
  font-size: 0.8rem; color: #a29bfe;
  animation: pulse-badge 2s ease-in-out infinite;
  backdrop-filter: blur(8px);
}
@keyframes pulse-badge {
  0%, 100% { box-shadow: 0 0 0 0 rgba(108,92,231,0.4); }
  50% { box-shadow: 0 0 0 8px rgba(108,92,231,0); }
}
.hero h1 {
  font-family: 'Playfair Display', serif;
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  font-weight: 900; line-height: 1.1;
  margin: 24px 0 16px; letter-spacing: -0.02em;
}
.hero h1 em {
  font-style: italic;
  background: linear-gradient(135deg, #6c5ce7 0%, #00b894 50%, #00f0ff 100%);
  background-size: 200% 200%;
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: gradient-shift 5s ease infinite;
}
@keyframes gradient-shift {
  0%, 100% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
}
.hero-sub {
  display: block; font-size: 1.2rem; font-weight: 400;
  color: var(--text-dim); font-style: normal; margin-top: 8px;
}
.hero-desc {
  font-size: 1.05rem; color: var(--text-dim);
  max-width: 720px; margin: 0 auto 32px; line-height: 1.7;
}
.hero-actions {
  display: flex; gap: 24px; align-items: center; justify-content: center;
  flex-wrap: wrap; margin-bottom: 40px;
}
.btn-primary {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 14px 32px; border-radius: 100px;
  background: var(--gradient-brand);
  color: #fff; font-weight: 600; font-size: 1rem;
  text-decoration: none;
  box-shadow: var(--glow-purple);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative; overflow: hidden;
}
.btn-primary::before {
  content: ''; position: absolute; top: 0; left: -100%;
  width: 100%; height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
  transition: left 0.5s;
}
.btn-primary:hover { transform: translateY(-2px) scale(1.02); box-shadow: 0 8px 30px rgba(108,92,231,0.4); }
.btn-primary:hover::before { left: 100%; }

.hero-stat {
  font-size: 0.95rem; color: var(--text-dim);
}
.hero-stat strong {
  color: #00b894; font-size: 1.3rem; font-weight: 700;
  display: inline-block; margin: 0 4px;
}

/* === Section — Reveal on scroll === */
.section {
  position: relative; padding: 60px 32px;
  max-width: 1280px; margin: 0 auto;
  opacity: 1; transform: none;
  transition: opacity 0.8s ease, transform 0.8s ease;
}
.section.in-view { opacity: 1; transform: translateY(0); }
.section-header {
  text-align: center; margin-bottom: 40px;
}
.section-label {
  display: inline-block;
  font-size: 0.75rem; font-weight: 600; letter-spacing: 0.15em;
  color: #6c5ce7; text-transform: uppercase;
  margin-bottom: 12px;
  position: relative; padding: 0 24px;
}
.section-label::before, .section-label::after {
  content: ''; position: absolute; top: 50%;
  width: 16px; height: 1px; background: #6c5ce7;
}
.section-label::before { left: 0; }
.section-label::after { right: 0; }
.section-title {
  font-family: 'Playfair Display', serif;
  font-size: clamp(1.8rem, 4vw, 2.5rem);
  font-weight: 700; margin-bottom: 8px;
}
.section-sub {
  color: var(--text-dim); font-size: 0.95rem;
}

/* === Episode Cards — 3D Hover Effect === */
.episodes-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 24px;
}
.episode-card {
  position: relative; display: block;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden; text-decoration: none;
  color: var(--text);
  transition: transform 0.4s cubic-bezier(0.2, 0, 0, 1),
              border-color 0.3s, box-shadow 0.4s;
  transform-style: preserve-3d;
  will-change: transform;
}
.episode-card::before {
  content: ''; position: absolute; inset: 0;
  background: linear-gradient(135deg, var(--card-color, #6c5ce7), transparent 50%);
  opacity: 0; transition: opacity 0.4s; z-index: 0;
}
.episode-card:hover {
  transform: translateY(-6px) scale(1.01);
  border-color: var(--card-color, #6c5ce7);
  box-shadow: 0 20px 60px rgba(0,0,0,0.5),
              0 0 0 1px var(--card-color, #6c5ce7);
}
.episode-card:hover::before { opacity: 0.08; }

.ep-cover {
  position: relative; aspect-ratio: 16/9; overflow: hidden;
  background: linear-gradient(135deg, var(--cover-color, #1a1a1a), #0d0d0d);
}
.ep-cover img {
  width: 100%; height: 100%; object-fit: cover;
  transition: transform 0.6s cubic-bezier(0.2, 0, 0, 1);
}
.episode-card:hover .ep-cover img { transform: scale(1.06); }
.ep-cover-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(180deg, transparent 50%, rgba(0,0,0,0.6));
  pointer-events: none;
}
.ep-hot-badge {
  position: absolute; top: 12px; right: 12px;
  background: linear-gradient(135deg, #ff6b6b, #ee5a52);
  color: #fff; font-size: 0.65rem; font-weight: 700;
  padding: 4px 10px; border-radius: 100px; z-index: 2;
  box-shadow: 0 2px 12px rgba(238,90,82,0.5);
  animation: hot-pulse 2s ease-in-out infinite;
}
@keyframes hot-pulse {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.06); }
}
.ep-body {
  position: relative; padding: 20px; z-index: 1;
}
.ep-source {
  font-size: 0.75rem; color: var(--text-muted);
  text-transform: uppercase; letter-spacing: 0.1em; margin-bottom: 8px;
}
.ep-body h3 {
  font-size: 1.05rem; font-weight: 600; line-height: 1.3;
  margin-bottom: 4px; display: -webkit-box;
  -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
}
.ep-title-zh {
  font-size: 0.85rem; color: var(--text-dim);
  font-weight: 400; margin-bottom: 10px;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
}
.ep-meta {
  font-size: 0.8rem; color: var(--text-muted);
  margin-bottom: 12px;
}
.ep-speakers { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 10px; }
.ep-speaker-tag {
  font-size: 0.7rem; padding: 3px 10px; border-radius: 100px;
  font-weight: 500;
}
.ep-tags { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 14px; }
.tag {
  font-size: 0.7rem; padding: 3px 10px;
  background: rgba(255,255,255,0.04);
  color: var(--text-dim);
  border-radius: 100px;
}
.ep-bottom-row { display: flex; gap: 8px; align-items: center; }
.ep-play-btn, .ep-cc-badge {
  display: inline-flex; align-items: center; justify-content: center;
  height: 26px; padding: 0 10px; border-radius: 6px;
  font-size: 0.7rem; font-weight: 600;
}
.ep-play-btn {
  background: var(--gradient-brand); color: #fff; gap: 4px;
}
.ep-cc-badge {
  background: rgba(0,184,148,0.15); color: #00b894;
  border: 1px solid rgba(0,184,148,0.3);
}

/* === Speaker Cards === */
.speakers-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 20px;
}
.speaker-card {
  display: flex; gap: 16px; align-items: flex-start;
  padding: 20px; background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  text-decoration: none; color: var(--text);
  transition: all 0.3s;
  position: relative; overflow: hidden;
}
.speaker-card::after {
  content: ''; position: absolute; top: -50%; left: -50%;
  width: 200%; height: 200%;
  background: radial-gradient(circle at var(--mouse-x, 50%) var(--mouse-y, 50%),
              rgba(108,92,231,0.15) 0%, transparent 30%);
  opacity: 0; transition: opacity 0.3s; pointer-events: none;
}
.speaker-card:hover {
  transform: translateY(-3px);
  border-color: rgba(108,92,231,0.4);
  box-shadow: 0 12px 40px rgba(0,0,0,0.3);
}
.speaker-card:hover::after { opacity: 1; }
.sp-avatar-circle {
  width: 64px; height: 64px; border-radius: 50%;
  background: linear-gradient(135deg, #6c5ce7, #00b894);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.4rem; font-weight: 700; color: #fff;
  flex-shrink: 0;
  position: relative;
  border: 2px solid var(--border);
  transition: transform 0.3s, box-shadow 0.3s;
}
.speaker-card:hover .sp-avatar-circle {
  transform: scale(1.08);
  box-shadow: 0 0 0 3px rgba(108,92,231,0.3);
}
.sp-text { flex: 1; min-width: 0; }
.sp-name { font-weight: 600; font-size: 1.05rem; margin-bottom: 2px; }
.sp-role { font-size: 0.8rem; color: var(--text-dim); margin-bottom: 8px; }
.sp-bio-preview { font-size: 0.85rem; color: var(--text-muted); line-height: 1.5;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
}
.sp-tags { display: flex; flex-wrap: wrap; gap: 4px; margin-top: 8px; }

/* === Nav — Glassy === */
.nav {
  position: fixed; top: 16px; left: 50%;
  transform: translateX(-50%);
  width: calc(100% - 32px); max-width: 1280px;
  z-index: 100; padding: 12px 24px;
  background: rgba(13,13,13,0.7);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: 100px;
  display: flex; align-items: center; gap: 24px;
  transition: all 0.3s;
}
.nav.scrolled {
  background: rgba(13,13,13,0.92);
  box-shadow: 0 4px 30px rgba(0,0,0,0.3);
  border-color: rgba(255,255,255,0.1);
}
.nav-logo {
  display: flex; align-items: center; gap: 8px;
  text-decoration: none; color: var(--text);
  font-weight: 700; font-size: 1.05rem;
}
.logo-icon { font-size: 1.5rem; color: #6c5ce7;
  filter: drop-shadow(0 0 8px rgba(108,92,231,0.5));
}
.logo-accent {
  background: linear-gradient(135deg, #6c5ce7, #00b894);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
}
.nav-ticker {
  display: flex; align-items: center; gap: 8px;
  font-size: 0.8rem; color: var(--text-dim);
  padding: 4px 12px; background: rgba(255,255,255,0.03);
  border-radius: 100px;
}
.ticker-dot {
  width: 6px; height: 6px; background: #00b894; border-radius: 50%;
  box-shadow: 0 0 8px #00b894;
  animation: blink 1.5s ease-in-out infinite;
}
@keyframes blink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.3; }
}
.nav-links { display: flex; align-items: center; gap: 4px;
  list-style: none; margin: 0; padding: 0; margin-left: auto;
}
.nav-links li a {
  display: flex; align-items: center; gap: 4px;
  padding: 8px 14px; border-radius: 100px;
  text-decoration: none; color: var(--text-dim);
  font-size: 0.88rem; font-weight: 500;
  transition: all 0.2s;
}
.nav-links li a:hover { color: var(--text); background: rgba(255,255,255,0.05); }
.nav-links li a.active { color: #fff; background: rgba(108,92,231,0.2); }
.nav-icon { font-size: 0.9rem; opacity: 0.8; }
.nav-cta {
  background: var(--gradient-brand) !important; color: #fff !important;
  padding: 8px 18px !important; border-radius: 100px !important;
}
.nav-premium-link {
  background: linear-gradient(135deg, rgba(245,158,11,0.15), rgba(217,119,6,0.05)) !important;
  color: #f59e0b !important;
  border: 1px solid rgba(245,158,11,0.2) !important;
}
.nav-queue-btn .queue-badge {
  background: #00b894; color: #000; font-size: 0.7rem;
  font-weight: 700; padding: 1px 6px; border-radius: 10px;
  margin-left: 4px;
}

/* === Community Banner — Glass Card === */
.community { padding: 40px 32px; }
.community-banner {
  max-width: 1200px; margin: 0 auto;
  background: linear-gradient(135deg, rgba(108,92,231,0.1), rgba(0,184,148,0.05));
  border: 1px solid rgba(108,92,231,0.2);
  border-radius: 24px; padding: 48px;
  display: grid; grid-template-columns: 2fr 1fr; gap: 40px;
  align-items: center;
  position: relative; overflow: hidden;
}
.community-banner::before {
  content: ''; position: absolute; top: -100px; right: -100px;
  width: 300px; height: 300px;
  background: radial-gradient(circle, rgba(108,92,231,0.2), transparent 70%);
  filter: blur(40px);
}
.community-quote { position: relative; }
.quote-mark {
  font-family: 'Playfair Display', serif;
  font-size: 5rem; line-height: 0.5; color: #6c5ce7;
  display: block; height: 30px;
}
.community-quote p {
  font-family: 'Playfair Display', serif;
  font-size: 1.3rem; font-style: italic; line-height: 1.6;
  margin-bottom: 12px;
}
.quote-author {
  font-size: 0.85rem; color: var(--text-dim); font-style: normal;
}
.community-points {
  display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px;
  position: relative;
}
.point {
  text-align: center; padding: 16px;
  background: rgba(255,255,255,0.03);
  border-radius: 12px;
  border: 1px solid rgba(255,255,255,0.05);
  transition: all 0.3s;
}
.point:hover { background: rgba(108,92,231,0.1); transform: translateY(-2px); }
.point strong {
  display: block; font-size: 1.8rem; font-weight: 700;
  background: linear-gradient(135deg, #6c5ce7, #00b894);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  font-family: 'Playfair Display', serif;
}
.point span { font-size: 0.8rem; color: var(--text-dim); }

/* === Buttons === */
.btn-more {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 12px 24px; border-radius: 100px;
  background: transparent; color: var(--text);
  border: 1px solid var(--border);
  text-decoration: none; font-weight: 500;
  transition: all 0.3s;
}
.btn-more:hover {
  background: rgba(255,255,255,0.05);
  border-color: var(--text-dim);
}
.btn-more-arrow { transition: transform 0.3s; }
.btn-more:hover .btn-more-arrow { transform: translateX(4px); }
.more-wrap { text-align: center; margin-top: 40px; }

/* === Footer === */
.footer {
  border-top: 1px solid var(--border);
  padding: 40px 32px; margin-top: 80px;
  background: rgba(0,0,0,0.2);
}
.footer-inner {
  max-width: 1280px; margin: 0 auto;
  display: flex; justify-content: space-between; align-items: center;
  flex-wrap: wrap; gap: 20px;
}
.footer-tagline {
  display: flex; align-items: center; gap: 8px;
  color: var(--text-dim); font-size: 0.9rem;
}
.footer-links { display: flex; gap: 24px; }
.footer-links a {
  color: var(--text-dim); text-decoration: none;
  font-size: 0.9rem; transition: color 0.2s;
}
.footer-links a:hover { color: #00b894; }

/* === Toast Notification === */
.toast {
  position: fixed; bottom: 24px; left: 50%;
  transform: translateX(-50%) translateY(100px);
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: 12px; padding: 12px 20px;
  font-size: 0.9rem; color: var(--text);
  box-shadow: 0 10px 40px rgba(0,0,0,0.4);
  z-index: 999;
  opacity: 0; transition: all 0.3s;
  display: flex; align-items: center; gap: 8px;
}
.toast.show {
  opacity: 1; transform: translateX(-50%) translateY(0);
}
.toast-icon { color: #00b894; }

/* === Loading Skeleton === */
@keyframes shimmer {
  0% { background-position: -200% 0; }
  100% { background-position: 200% 0; }
}
.skeleton {
  background: linear-gradient(90deg,
    rgba(255,255,255,0.03) 0%, rgba(255,255,255,0.08) 50%,
    rgba(255,255,255,0.03) 100%);
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite;
  border-radius: 8px;
}

/* === Mobile === */
@media (max-width: 900px) {
  .nav { border-radius: 16px; padding: 10px 16px; }
  .nav-ticker { display: none; }
  .nav-links {
    display: none; position: absolute; top: 60px; left: 0; right: 0;
    flex-direction: column; background: rgba(13,13,13,0.98);
    backdrop-filter: blur(20px); padding: 20px; gap: 8px;
    border-radius: 16px; border: 1px solid var(--border);
  }
  .nav-links.open { display: flex; }
  .nav-mobile-toggle {
    display: flex; flex-direction: column; gap: 4px;
    background: transparent; border: none; cursor: pointer;
    margin-left: auto; padding: 8px;
  }
  .nav-mobile-toggle span {
    display: block; width: 22px; height: 2px;
    background: var(--text); transition: 0.3s;
  }
  .community-banner { grid-template-columns: 1fr; padding: 32px 24px; }
  .hero { padding: 80px 20px 40px; }
  .episodes-grid { grid-template-columns: 1fr; }
  .section { padding: 40px 20px; }
}
@media (max-width: 600px) {
  .episodes-grid.featured, .episodes-grid.all { grid-template-columns: 1fr; }
  .speakers-grid { grid-template-columns: 1fr; }
}

/* === Premium Pill (in user nav) === */
.premium-badge {
  display: inline-block;
  background: linear-gradient(135deg, #f59e0b, #d97706);
  color: #000; font-size: 0.65rem; font-weight: 700;
  padding: 2px 6px; border-radius: 4px;
  margin-left: 6px; vertical-align: middle;
}

/* === Page Transition === */
.content { animation: fade-up 0.6s ease; }
@keyframes fade-up {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

/* === Skill-related buttons hover === */
.ep-cover-fallback {
  position: relative; aspect-ratio: 16/9;
  display: flex; align-items: center; justify-content: center;
  overflow: hidden;
}

/* === Live Ticker === */
.live-ticker {
  display: inline-flex; align-items: center; gap: 16px;
  margin-top: 32px; padding: 12px 24px;
  background: rgba(255,255,255,0.02);
  border: 1px solid rgba(255,255,255,0.05);
  border-radius: 100px;
  max-width: 700px; margin-left: auto; margin-right: auto;
  position: relative; overflow: hidden;
}
.live-tag {
  font-size: 0.7rem; font-weight: 700; color: #ff6b6b;
  letter-spacing: 0.1em;
  animation: blink 1.5s ease-in-out infinite;
  flex-shrink: 0;
}
.live-feed {
  display: flex; flex-direction: column; gap: 4px;
  font-size: 0.85rem;
  flex: 1; text-align: left; min-height: 24px;
  position: relative;
}
.live-item {
  position: absolute; top: 0; left: 0; right: 0;
  transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
  color: var(--text-dim);
  font-weight: 500;
}

/* === Typewriter === */
.typewriter {
  font-style: italic;
  position: relative;
  background: linear-gradient(135deg, #6c5ce7 0%, #00b894 50%, #00f0ff 100%);
  background-size: 200% 200%;
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: gradient-shift 5s ease infinite;
}
.typewriter::after {
  content: '|';
  color: #6c5ce7;
  -webkit-text-fill-color: #6c5ce7;
  animation: cursor-blink 0.8s infinite;
  margin-left: 2px;
}
@keyframes cursor-blink {
  0%, 50% { opacity: 1; }
  51%, 100% { opacity: 0; }
}

/* === Episode Card — Duration Badge === */
.ep-duration-badge {
  position: absolute; bottom: 12px; right: 12px;
  background: rgba(0,0,0,0.7); backdrop-filter: blur(8px);
  color: #fff; font-size: 0.7rem; font-weight: 600;
  padding: 3px 8px; border-radius: 4px;
  z-index: 2;
}
.ep-play-btn svg { margin-top: 1px; }

/* === Verified Badge === */
.sp-verified {
  display: inline-block;
  background: linear-gradient(135deg, #6c5ce7, #00b894);
  color: #fff; font-size: 0.65rem;
  width: 16px; height: 16px; line-height: 16px;
  border-radius: 50%; text-align: center;
  margin-left: 4px; vertical-align: middle;
  font-weight: 700;
}

/* === Page Hero — episodes === */
.page-hero {
  text-align: center;
  padding: 100px 32px 40px;
  max-width: 1280px; margin: 0 auto;
}
.page-hero h1 {
  font-family: 'Playfair Display', serif;
  font-size: clamp(2.5rem, 5vw, 3.5rem);
  font-weight: 700;
  margin-bottom: 12px;
  background: linear-gradient(135deg, #6c5ce7, #00b894);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
}
.page-hero p { color: var(--text-dim); font-size: 1.05rem; }

.ep-stats {
  display: inline-flex; gap: 32px; margin-top: 24px;
  padding: 20px 32px;
  background: rgba(255,255,255,0.02);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: 100px;
  flex-wrap: wrap; justify-content: center;
}
.ep-stat { display: flex; align-items: baseline; gap: 6px; }
.ep-stat strong {
  font-family: 'Playfair Display', serif;
  font-size: 1.6rem; font-weight: 700;
  background: linear-gradient(135deg, #6c5ce7, #00b894);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
}
.ep-stat span { color: var(--text-dim); font-size: 0.85rem; }

/* === Filter Bar — enhanced === */
.filter-bar {
  max-width: 1200px; margin: 0 auto 32px;
  display: flex; flex-direction: column; gap: 16px;
  position: relative;
}
.filter-search {
  position: relative;
  display: flex; align-items: center;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 100px;
  padding: 0 16px;
  transition: all 0.3s;
}
.filter-search:focus-within {
  border-color: #6c5ce7;
  box-shadow: 0 0 0 3px rgba(108,92,231,0.1);
}
.search-icon { font-size: 1.1rem; opacity: 0.5; }
.search-input {
  flex: 1; background: transparent; border: none;
  color: var(--text); font-size: 0.95rem;
  padding: 14px 12px; outline: none;
}
.search-input::placeholder { color: var(--text-muted); }
.search-kbd {
  font-size: 0.7rem; padding: 2px 6px;
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 4px;
  color: var(--text-dim);
  font-family: monospace;
}
.filter-tags { display: flex; flex-wrap: wrap; gap: 8px; }
.filter-tag {
  padding: 6px 14px; border-radius: 100px;
  background: rgba(255,255,255,0.03);
  border: 1px solid var(--border);
  color: var(--text-dim); font-size: 0.85rem;
  cursor: pointer; transition: all 0.2s;
  user-select: none;
}
.filter-tag:hover {
  background: rgba(108,92,231,0.1);
  border-color: rgba(108,92,231,0.3);
  color: var(--text);
}
.filter-tag.active {
  background: var(--gradient-brand);
  color: #fff;
  border-color: transparent;
  box-shadow: var(--glow-purple);
}
.filter-result-count {
  font-size: 0.8rem; color: var(--text-muted);
  text-align: right;
}

/* === Episode Quick Play Button === */
.ep-quick-play {
  position: absolute; top: 50%; left: 50%;
  transform: translate(-50%, -50%) scale(0);
  width: 60px; height: 60px; border-radius: 50%;
  background: rgba(108,92,231,0.95);
  backdrop-filter: blur(8px);
  border: none; color: #fff;
  font-size: 1.2rem;
  display: flex; align-items: center; justify-content: center;
  cursor: pointer;
  box-shadow: 0 8px 32px rgba(108,92,231,0.4);
  transition: all 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
  z-index: 3;
  opacity: 0;
}
.episode-card:hover .ep-quick-play {
  transform: translate(-50%, -50%) scale(1);
  opacity: 1;
}
.ep-quick-play:hover {
  background: #00b894;
  transform: translate(-50%, -50%) scale(1.1);
  box-shadow: 0 8px 40px rgba(0,184,148,0.5);
}
.ep-quick-play::before {
  content: '';
  position: absolute; inset: -4px;
  border-radius: 50%;
  border: 2px solid #6c5ce7;
  animation: pulse-ring 2s ease-out infinite;
}
@keyframes pulse-ring {
  0% { transform: scale(1); opacity: 0.8; }
  100% { transform: scale(1.4); opacity: 0; }
}

/* === Episode progress indicator === */
.ep-progress-pill {
  display: inline-flex; align-items: center; gap: 4px;
  font-size: 0.7rem;
  padding: 3px 10px; border-radius: 100px;
  background: rgba(108,92,231,0.15);
  color: #6c5ce7;
  border: 1px solid rgba(108,92,231,0.3);
}

/* === Speaker Hero — Enhanced === */
.speaker-hero {
  max-width: 1200px; margin: 0 auto;
  padding: 80px 32px;
  display: flex; gap: 40px; align-items: center;
  position: relative;
}
.sh-photo {
  width: 180px; height: 180px;
  border-radius: 50%;
  flex-shrink: 0;
  position: relative;
  box-shadow: 0 0 0 6px var(--bg), 0 0 0 7px var(--border);
  transition: all 0.4s;
}
.sh-photo::after {
  content: '';
  position: absolute; inset: -10px;
  border-radius: 50%;
  background: var(--gradient-brand);
  opacity: 0;
  z-index: -1;
  filter: blur(20px);
  transition: opacity 0.4s;
}
.speaker-hero:hover .sh-photo { transform: scale(1.05); }
.speaker-hero:hover .sh-photo::after { opacity: 0.5; }

.sh-info { flex: 1; min-width: 0; }
.sh-info h1 {
  font-family: 'Playfair Display', serif;
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700; margin-bottom: 8px;
  background: linear-gradient(135deg, var(--text), var(--text-dim));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
}
.sh-role { color: var(--text-dim); font-size: 1.05rem; margin-bottom: 16px; }
.sh-bio { line-height: 1.7; font-size: 0.95rem; }
.sp-tags { display: flex; flex-wrap: wrap; gap: 8px; }

/* === Premium CTA — Floating === */
.premium-cta-float {
  position: fixed; bottom: 24px; right: 24px;
  background: linear-gradient(135deg, #f59e0b, #d97706);
  color: #000; padding: 14px 24px;
  border-radius: 100px;
  text-decoration: none; font-weight: 600;
  font-size: 0.9rem;
  box-shadow: 0 8px 32px rgba(245,158,11,0.4);
  z-index: 50;
  display: flex; align-items: center; gap: 8px;
  transition: all 0.3s;
  animation: float-up 3s ease-in-out infinite;
}
.premium-cta-float:hover { transform: translateY(-4px) scale(1.05); box-shadow: 0 12px 40px rgba(245,158,11,0.5); }
@keyframes float-up {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-4px); }
}

/* === Parllax effect on hero === */
.hero { will-change: transform; }
.page-hero { will-change: transform; }

/* === Loading shimmer for empty images === */
.ep-cover img:not([src$=".jpg"]):not([src$=".png"]):not([src$=".webp"]) {
  background: linear-gradient(90deg, #1a1a1a 0%, #2a2a2a 50%, #1a1a1a 100%);
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite;
}

/* === Subtitle Panel — Enhanced === */
.sub-panel-header {
  display: flex; justify-content: space-between; align-items: center;
  padding: 12px 16px;
  background: var(--bg-elevated);
  border-bottom: 1px solid var(--border);
  gap: 12px; position: sticky; top: 0; z-index: 5;
  flex-wrap: wrap;
}
.sub-panel-tabs { display: flex; gap: 4px; }
.sub-tab {
  background: transparent; border: 1px solid var(--border);
  color: var(--text-dim); cursor: pointer;
  padding: 5px 12px; border-radius: 100px;
  font-size: 0.78rem; font-weight: 500;
  transition: all 0.2s;
}
.sub-tab:hover { color: var(--text); border-color: var(--border-hover); }
.sub-tab.active {
  background: var(--gradient-brand);
  color: #fff;
  border-color: transparent;
}
.sub-search { flex: 1; max-width: 240px; min-width: 120px; }
.sub-search input {
  width: 100%;
  background: var(--bg);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 5px 12px; border-radius: 100px;
  font-size: 0.8rem; outline: none;
  transition: border-color 0.2s;
}
.sub-search input:focus { border-color: #6c5ce7; }
.sub-search input::placeholder { color: var(--text-muted); }

/* === Insight Blocks — Enhanced === */
.insight-block {
  position: relative;
  padding: 24px 24px 24px 60px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: all 0.3s;
  overflow: hidden;
}
.insight-block::before {
  content: '';
  position: absolute; left: 0; top: 0; bottom: 0;
  width: 4px;
  background: var(--ic, #6c5ce7);
}
.insight-block:hover {
  transform: translateY(-2px);
  border-color: var(--ic, #6c5ce7);
  box-shadow: 0 8px 24px rgba(0,0,0,0.3);
}
.insight-num {
  position: absolute; left: 16px; top: 22px;
  font-family: 'Playfair Display', serif;
  font-size: 1.6rem; font-weight: 700;
  background: linear-gradient(135deg, var(--ic, #6c5ce7), #00b894);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
}
.insight-block h4 {
  font-size: 1.05rem; font-weight: 600; margin-bottom: 8px;
}
.insight-block p { color: var(--text-dim); line-height: 1.7; font-size: 0.92rem; }

/* === Concept Pills — Enhanced === */
.concept-pill {
  display: inline-flex; align-items: center; gap: 4px;
  padding: 6px 14px; border-radius: 100px;
  background: var(--bg-card);
  border: 1px solid var(--cp, var(--border));
  color: var(--text);
  font-size: 0.85rem; font-weight: 500;
  cursor: default;
  transition: all 0.2s;
}
.concept-pill:hover {
  background: var(--cp, var(--bg-card));
  color: #fff;
  transform: translateY(-1px);
}

/* === Section Header — for episode page === */
.ep-bottom {
  max-width: 1300px;
  margin: 0 auto;
  padding: 0 32px 80px;
}

/* === Enhanced Hero Particles === */
.bg-aurora {
  filter: saturate(1.2);
}

/* === Random floating dots in hero === */
.hero::before {
  content: '';
  position: absolute;
  top: 20%;
  left: 10%;
  width: 4px; height: 4px;
  background: #6c5ce7;
  border-radius: 50%;
  box-shadow: 
    400px 100px 0 1px rgba(108,92,231,0.4),
    800px -50px 0 1px rgba(0,184,148,0.3),
    1200px 200px 0 1px rgba(0,240,255,0.4),
    200px 300px 0 1px rgba(255,107,107,0.3);
  animation: dots-twinkle 4s ease-in-out infinite;
  pointer-events: none;
}
@keyframes dots-twinkle {
  0%, 100% { opacity: 0.3; transform: scale(0.8); }
  50% { opacity: 1; transform: scale(1.2); }
}

/* === Carousel — Speaker Page === */
.carousel-wrap { position: relative; }
.carousel-track {
  display: flex; gap: 20px;
  overflow-x: auto; scroll-snap-type: x mandatory;
  padding: 8px 0;
  scrollbar-width: thin;
}
.carousel-track::-webkit-scrollbar { height: 6px; }
.carousel-track::-webkit-scrollbar-thumb { 
  background: var(--border); border-radius: 3px; 
}
.carousel-track .episode-card {
  flex: 0 0 320px; scroll-snap-align: start;
}

/* === Quote Block — Speaker Page === */
.quote-block {
  padding: 24px 32px;
  border-radius: 16px;
  background: linear-gradient(135deg, rgba(108,92,231,0.08), rgba(0,184,148,0.04));
  border: 1px solid var(--border);
  margin-bottom: 12px;
  position: relative;
  overflow: hidden;
  transition: all 0.3s;
}
.quote-block::before {
  content: '"';
  position: absolute;
  top: -20px; left: 10px;
  font-family: 'Playfair Display', serif;
  font-size: 6rem;
  color: rgba(108,92,231,0.2);
  line-height: 1;
}
.quote-block:hover {
  border-color: rgba(108,92,231,0.3);
  transform: translateY(-2px);
}

/* === Section Subtle Background === */
.section.community {
  position: relative;
}
.section.community::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at center, rgba(108,92,231,0.05) 0%, transparent 60%);
  z-index: -1;
}

/* === Tag Click Filter === */
.tag {
  cursor: default;
}

/* === Enhanced Mobile === */
@media (max-width: 768px) {
  .ep-stats { gap: 16px; padding: 12px 20px; }
  .ep-stat strong { font-size: 1.2rem; }
  .live-ticker { flex-direction: column; gap: 8px; text-align: center; }
  .premium-cta-float { 
    bottom: 16px; right: 16px; left: 16px;
    text-align: center; justify-content: center;
  }
  .ep-quick-play { width: 50px; height: 50px; }
  .ep-layout { 
    flex-direction: column; padding: 24px 16px; 
  }
  .ep-left { flex: none; width: 100%; }
  .insights-grid-2 { grid-template-columns: 1fr; }
}