/* ========================================
   Morning Bus - Hugo 播客主题
   模仿 WNYC Studios 风格，响应式设计
   ======================================== */

/* ========== CSS 变量 ========== */
:root {
  /* 主色调 - 深邃的藏青色搭配活力橙 */
  --color-primary: #1a1f36;
  --color-primary-light: #2d3555;
  --color-accent: #ff6b35;
  --color-accent-hover: #ff8555;
  --color-accent-light: #fff0eb;
  
  /* 中性色 */
  --color-white: #ffffff;
  --color-black: #0a0c14;
  --color-gray-50: #f8f9fc;
  --color-gray-100: #f1f3f8;
  --color-gray-200: #e4e7ef;
  --color-gray-300: #cdd2e0;
  --color-gray-400: #9ca3b8;
  --color-gray-500: #6b7280;
  --color-gray-600: #4b5563;
  --color-gray-700: #374151;
  --color-gray-800: #1f2937;
  --color-gray-900: #111827;
  
  /* 文字颜色 */
  --color-text-primary: #1a1f36;
  --color-text-secondary: #4b5563;
  --color-text-muted: #9ca3b8;
  --color-text-inverse: #ffffff;
  
  /* 背景色 */
  --color-bg-primary: #ffffff;
  --color-bg-secondary: #f8f9fc;
  --color-bg-tertiary: #f1f3f8;
  
  /* 字体 */
  --font-display: 'Playfair Display', 'Noto Serif SC', Georgia, serif;
  --font-body: 'Source Sans 3', 'Noto Sans SC', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', monospace;
  
  /* 字号 */
  --text-xs: 0.75rem;
  --text-sm: 0.875rem;
  --text-base: 1rem;
  --text-lg: 1.125rem;
  --text-xl: 1.25rem;
  --text-2xl: 1.5rem;
  --text-3xl: 1.875rem;
  --text-4xl: 2.25rem;
  --text-5xl: 3rem;
  --text-6xl: 3.75rem;
  
  /* 间距 */
  --spacing-xs: 0.25rem;
  --spacing-sm: 0.5rem;
  --spacing-md: 1rem;
  --spacing-lg: 1.5rem;
  --spacing-xl: 2rem;
  --spacing-2xl: 3rem;
  --spacing-3xl: 4rem;
  --spacing-4xl: 6rem;
  
  /* 圆角 */
  --radius-sm: 0.25rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-full: 9999px;
  
  /* 阴影 */
  --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
  --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
  --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
  --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
  
  /* 过渡 */
  --transition-fast: 150ms ease;
  --transition-base: 250ms ease;
  --transition-slow: 350ms ease;
  
  /* 布局 */
  --max-width: 1280px;
  --header-height: 72px;
  --player-height: 90px;
}

/* ========== 基础重置 ========== */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: 1.6;
  color: var(--color-text-primary);
  background-color: var(--color-bg-primary);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

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

a:hover {
  color: var(--color-accent);
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

button {
  font-family: inherit;
  font-size: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

ul, ol {
  list-style: none;
}

/* ========== Header ========== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--color-white);
  border-bottom: 1px solid var(--color-gray-200);
  height: var(--header-height);
}

.header-container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--spacing-lg);
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--spacing-xl);
}

.header-brand {
  flex-shrink: 0;
}

.brand-link {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
}

.brand-logo {
  height: 40px;
  width: auto;
}

.brand-text {
  display: flex;
  flex-direction: column;
}

.brand-name {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 600;
  color: var(--color-primary);
  line-height: 1.2;
}

.brand-tagline {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  letter-spacing: 0.05em;
}

/* 桌面导航 */
.desktop-nav {
  flex: 1;
  display: none;
}

@media (min-width: 768px) {
  .desktop-nav {
    display: block;
  }
}

.nav-list {
  display: flex;
  align-items: center;
  gap: var(--spacing-xl);
}

.nav-link {
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text-secondary);
  padding: var(--spacing-sm) 0;
  position: relative;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--color-accent);
  transition: width var(--transition-base);
}

.nav-link:hover::after,
.nav-link.active::after {
  width: 100%;
}

.nav-link.active {
  color: var(--color-primary);
}

/* Header 操作区 */
.header-actions {
  display: none;
}

@media (min-width: 768px) {
  .header-actions {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
  }
}

.subscribe-btn {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-sm) var(--spacing-lg);
  background: var(--color-accent);
  color: var(--color-white);
  font-size: var(--text-sm);
  font-weight: 600;
  border-radius: var(--radius-full);
  transition: background var(--transition-fast), transform var(--transition-fast);
}

.subscribe-btn:hover {
  background: var(--color-accent-hover);
  color: var(--color-white);
  transform: translateY(-1px);
}

.subscribe-btn svg {
  width: 16px;
  height: 16px;
}

/* 移动端菜单按钮 */
.mobile-menu-btn {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 28px;
  height: 28px;
  padding: 4px;
}

@media (min-width: 768px) {
  .mobile-menu-btn {
    display: none;
  }
}

.hamburger-line {
  width: 100%;
  height: 2px;
  background: var(--color-primary);
  border-radius: 2px;
  transition: transform var(--transition-fast), opacity var(--transition-fast);
}

.mobile-menu-btn.active .hamburger-line:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.mobile-menu-btn.active .hamburger-line:nth-child(2) {
  opacity: 0;
}

.mobile-menu-btn.active .hamburger-line:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* 移动端导航 */
.mobile-nav {
  position: fixed;
  top: var(--header-height);
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--color-white);
  padding: var(--spacing-xl);
  transform: translateX(100%);
  transition: transform var(--transition-base);
  z-index: 99;
  overflow-y: auto;
}

.mobile-nav.active {
  transform: translateX(0);
}

.menu-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.5);
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-base), visibility var(--transition-base);
  z-index: 98;
}

.menu-overlay.active {
  opacity: 1;
  visibility: visible;
}

.mobile-nav-list {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
}

.mobile-nav-link {
  display: block;
  padding: var(--spacing-md) var(--spacing-lg);
  font-size: var(--text-lg);
  font-weight: 500;
  color: var(--color-text-primary);
  border-radius: var(--radius-md);
  transition: background var(--transition-fast);
}

.mobile-nav-link:hover,
.mobile-nav-link.active {
  background: var(--color-gray-100);
  color: var(--color-accent);
}

.mobile-subscribe {
  margin-top: var(--spacing-xl);
  padding-top: var(--spacing-xl);
  border-top: 1px solid var(--color-gray-200);
}

.mobile-subscribe-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
  width: 100%;
  padding: var(--spacing-md) var(--spacing-lg);
  background: var(--color-accent);
  color: var(--color-white);
  font-size: var(--text-base);
  font-weight: 600;
  border-radius: var(--radius-md);
}

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

/* ========== Main Content ========== */
.main-content {
  flex: 1;
}

/* ========== Hero Section ========== */
.hero {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
  color: var(--color-white);
  padding: var(--spacing-4xl) 0;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.03'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
  opacity: 0.5;
}

.hero-container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--spacing-lg);
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-2xl);
  align-items: center;
  position: relative;
  z-index: 1;
}

@media (min-width: 768px) {
  .hero-container {
    grid-template-columns: 1fr 1fr;
  }
}

.hero-title {
  font-family: var(--font-display);
  font-size: var(--text-4xl);
  font-weight: 700;
  line-height: 1.1;
  margin-bottom: var(--spacing-md);
}

@media (min-width: 768px) {
  .hero-title {
    font-size: var(--text-5xl);
  }
}

.hero-tagline {
  font-size: var(--text-xl);
  opacity: 0.9;
  margin-bottom: var(--spacing-sm);
}

.hero-description {
  font-size: var(--text-lg);
  opacity: 0.8;
  max-width: 500px;
  margin-bottom: var(--spacing-xl);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-md);
}

.hero-btn {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-md) var(--spacing-lg);
  font-size: var(--text-sm);
  font-weight: 600;
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
}

.hero-btn svg {
  width: 18px;
  height: 18px;
}

.hero-btn.primary {
  background: var(--color-white);
  color: var(--color-primary);
}

.hero-btn.primary:hover {
  background: var(--color-gray-100);
  color: var(--color-primary);
  transform: translateY(-2px);
}

.hero-btn.secondary {
  background: rgba(255, 255, 255, 0.15);
  color: var(--color-white);
  border: 1px solid rgba(255, 255, 255, 0.3);
}

.hero-btn.secondary:hover {
  background: rgba(255, 255, 255, 0.25);
  color: var(--color-white);
}

.hero-btn.outline {
  background: transparent;
  color: var(--color-white);
  border: 1px solid rgba(255, 255, 255, 0.5);
}

.hero-btn.outline:hover {
  background: rgba(255, 255, 255, 0.1);
  color: var(--color-white);
}

/* Hero 波形动画 */
.hero-visual {
  display: none;
  justify-content: center;
  align-items: center;
}

@media (min-width: 768px) {
  .hero-visual {
    display: flex;
  }
}

.hero-waveform {
  display: flex;
  align-items: center;
  gap: 8px;
  height: 200px;
}

.wave-bar {
  width: 8px;
  background: rgba(255, 255, 255, 0.6);
  border-radius: 4px;
  animation: wave 1.2s ease-in-out infinite;
}

.wave-bar:nth-child(1) { height: 40%; animation-delay: 0s; }
.wave-bar:nth-child(2) { height: 70%; animation-delay: 0.1s; }
.wave-bar:nth-child(3) { height: 50%; animation-delay: 0.2s; }
.wave-bar:nth-child(4) { height: 90%; animation-delay: 0.3s; }
.wave-bar:nth-child(5) { height: 60%; animation-delay: 0.4s; }
.wave-bar:nth-child(6) { height: 80%; animation-delay: 0.5s; }
.wave-bar:nth-child(7) { height: 45%; animation-delay: 0.6s; }
.wave-bar:nth-child(8) { height: 75%; animation-delay: 0.7s; }
.wave-bar:nth-child(9) { height: 55%; animation-delay: 0.8s; }

@keyframes wave {
  0%, 100% { transform: scaleY(1); }
  50% { transform: scaleY(0.5); }
}

/* ========== Latest Episodes Section ========== */
.latest-episodes {
  padding: var(--spacing-4xl) 0;
}

.section-container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--spacing-lg);
}

.section-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--spacing-2xl);
}

.section-title {
  font-family: var(--font-display);
  font-size: var(--text-3xl);
  font-weight: 600;
  color: var(--color-primary);
}

.view-all-link {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-sm);
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-accent);
}

.view-all-link svg {
  width: 18px;
  height: 18px;
  transition: transform var(--transition-fast);
}

.view-all-link:hover svg {
  transform: translateX(4px);
}

/* Featured Episode */
.featured-episode {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-xl);
  background: var(--color-bg-secondary);
  border-radius: var(--radius-xl);
  overflow: hidden;
  margin-bottom: var(--spacing-3xl);
}

@media (min-width: 768px) {
  .featured-episode {
    grid-template-columns: 1fr 1fr;
  }
}

.featured-cover {
  position: relative;
  aspect-ratio: 1;
  overflow: hidden;
}

@media (min-width: 768px) {
  .featured-cover {
    aspect-ratio: auto;
    min-height: 400px;
  }
}

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

.featured-play-btn {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 80px;
  height: 80px;
  background: var(--color-accent);
  color: var(--color-white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: all var(--transition-base);
  box-shadow: var(--shadow-xl);
}

.featured-cover:hover .featured-play-btn {
  opacity: 1;
}

.featured-play-btn svg {
  width: 32px;
  height: 32px;
  margin-left: 4px;
}

.featured-info {
  padding: var(--spacing-xl);
  display: flex;
  flex-direction: column;
  justify-content: center;
}

@media (min-width: 768px) {
  .featured-info {
    padding: var(--spacing-2xl);
  }
}

.featured-meta {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-md);
}

.episode-badge {
  display: inline-flex;
  padding: var(--spacing-xs) var(--spacing-sm);
  background: var(--color-accent);
  color: var(--color-white);
  font-size: var(--text-xs);
  font-weight: 700;
  border-radius: var(--radius-sm);
  letter-spacing: 0.05em;
}

.episode-badge.large {
  padding: var(--spacing-sm) var(--spacing-md);
  font-size: var(--text-sm);
}

.featured-label {
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--color-accent);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.featured-title {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 600;
  line-height: 1.3;
  margin-bottom: var(--spacing-md);
}

@media (min-width: 768px) {
  .featured-title {
    font-size: var(--text-3xl);
  }
}

.featured-title a:hover {
  color: var(--color-accent);
}

.featured-description {
  font-size: var(--text-base);
  color: var(--color-text-secondary);
  line-height: 1.7;
  margin-bottom: var(--spacing-lg);
}

.featured-footer {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--spacing-lg);
}

.featured-date {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

.featured-duration {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

.featured-duration svg {
  width: 16px;
  height: 16px;
}

.featured-link {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-accent);
}

.featured-link svg {
  width: 16px;
  height: 16px;
  transition: transform var(--transition-fast);
}

.featured-link:hover svg {
  transform: translateX(4px);
}

/* Episodes Grid */
.episodes-grid,
.episodes-list-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-xl);
}

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

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

/* Episode Card */
.episode-card {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: box-shadow var(--transition-base), transform var(--transition-base);
}

.episode-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
}

.episode-cover {
  position: relative;
  aspect-ratio: 16/9;
  overflow: hidden;
  background: var(--color-gray-200);
}

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

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

.cover-placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--color-gray-200), var(--color-gray-300));
}

.cover-placeholder svg {
  width: 48px;
  height: 48px;
  color: var(--color-gray-400);
}

.cover-placeholder.large svg,
.cover-placeholder.hero svg {
  width: 80px;
  height: 80px;
}

.play-overlay {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 56px;
  height: 56px;
  background: var(--color-accent);
  color: var(--color-white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: all var(--transition-base);
  box-shadow: var(--shadow-lg);
}

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

.play-overlay svg {
  width: 24px;
  height: 24px;
  margin-left: 2px;
}

.episode-info {
  padding: var(--spacing-lg);
}

.episode-meta {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-sm);
}

.episode-number {
  font-size: var(--text-xs);
  font-weight: 700;
  color: var(--color-accent);
  letter-spacing: 0.05em;
}

.episode-date {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
}

.episode-title {
  font-size: var(--text-lg);
  font-weight: 600;
  line-height: 1.4;
  margin-bottom: var(--spacing-sm);
}

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

.episode-description {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  line-height: 1.6;
  margin-bottom: var(--spacing-md);
}

.episode-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--spacing-sm);
}

.episode-duration {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
  font-size: var(--text-xs);
  color: var(--color-text-muted);
}

.episode-duration svg {
  width: 14px;
  height: 14px;
}

.episode-tags {
  display: flex;
  gap: var(--spacing-xs);
}

.tag {
  font-size: var(--text-xs);
  padding: 2px 8px;
  background: var(--color-gray-100);
  color: var(--color-text-secondary);
  border-radius: var(--radius-full);
}

/* ========== About Section ========== */
.about-section {
  padding: var(--spacing-4xl) 0;
  background: var(--color-bg-secondary);
}

.about-content {
  max-width: 700px;
}

.about-title {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 600;
  margin-bottom: var(--spacing-lg);
}

.about-text {
  font-size: var(--text-lg);
  color: var(--color-text-secondary);
  line-height: 1.8;
  margin-bottom: var(--spacing-lg);
}

.about-link {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-sm);
  font-weight: 600;
  color: var(--color-accent);
}

/* ========== Episodes Page ========== */
.episodes-page {
  padding: var(--spacing-3xl) 0;
}

.page-container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--spacing-lg);
}

.page-header {
  text-align: center;
  margin-bottom: var(--spacing-3xl);
}

.page-title {
  font-family: var(--font-display);
  font-size: var(--text-4xl);
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: var(--spacing-md);
}

.page-description {
  font-size: var(--text-lg);
  color: var(--color-text-secondary);
  max-width: 600px;
  margin: 0 auto;
}

.episodes-stats {
  margin-top: var(--spacing-lg);
}

.stat-item {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

.stat-item strong {
  color: var(--color-primary);
  font-size: var(--text-2xl);
}

/* Empty State */
.empty-state {
  text-align: center;
  padding: var(--spacing-4xl) var(--spacing-xl);
  background: var(--color-bg-secondary);
  border-radius: var(--radius-xl);
}

.empty-state svg {
  width: 80px;
  height: 80px;
  color: var(--color-gray-300);
  margin-bottom: var(--spacing-lg);
}

.empty-state h3 {
  font-size: var(--text-xl);
  margin-bottom: var(--spacing-sm);
}

.empty-state p {
  color: var(--color-text-muted);
}

/* Pagination */
.pagination {
  margin-top: var(--spacing-3xl);
  display: flex;
  justify-content: center;
}

.pagination-list {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.pagination-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 40px;
  height: 40px;
  padding: 0 var(--spacing-md);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text-secondary);
  background: var(--color-white);
  border: 1px solid var(--color-gray-200);
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
}

.pagination-link:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
}

.pagination-link.active {
  background: var(--color-accent);
  border-color: var(--color-accent);
  color: var(--color-white);
}

.pagination-link svg {
  width: 18px;
  height: 18px;
}

/* ========== Episode Single Page ========== */
.episode-single {
  background: var(--color-bg-secondary);
}

.episode-header {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
  color: var(--color-white);
  padding: var(--spacing-3xl) 0;
}

.episode-header .header-container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--spacing-lg);
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-xl);
  align-items: center;
}

@media (min-width: 768px) {
  .episode-header .header-container {
    grid-template-columns: 300px 1fr;
    gap: var(--spacing-2xl);
  }
}

.episode-hero-cover {
  aspect-ratio: 1;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-xl);
}

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

.episode-hero-meta {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-md);
}

.episode-hero-date {
  font-size: var(--text-sm);
  opacity: 0.8;
}

.episode-hero-title {
  font-family: var(--font-display);
  font-size: var(--text-3xl);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: var(--spacing-md);
}

@media (min-width: 768px) {
  .episode-hero-title {
    font-size: var(--text-4xl);
  }
}

.episode-hero-description {
  font-size: var(--text-lg);
  opacity: 0.9;
  margin-bottom: var(--spacing-xl);
  max-width: 600px;
}

.episode-hero-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-lg);
}

.play-episode-btn {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-md) var(--spacing-xl);
  background: var(--color-accent);
  color: var(--color-white);
  font-size: var(--text-base);
  font-weight: 600;
  border-radius: var(--radius-full);
  transition: all var(--transition-fast);
}

.play-episode-btn:hover {
  background: var(--color-accent-hover);
  transform: translateY(-2px);
  color: var(--color-white);
}

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

.episode-hero-stats {
  display: flex;
  align-items: center;
  gap: var(--spacing-lg);
}

.episode-hero-stats .stat-item {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
  font-size: var(--text-sm);
  opacity: 0.8;
  color: inherit;
}

.episode-hero-stats .stat-item svg {
  width: 18px;
  height: 18px;
}

.episode-guests {
  font-size: var(--text-sm);
  opacity: 0.9;
}

.guests-label {
  font-weight: 600;
}

/* Inline Player */
.inline-player {
  background: var(--color-white);
  border-bottom: 1px solid var(--color-gray-200);
}

.inline-player-container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: var(--spacing-lg);
}

.inline-player audio {
  width: 100%;
  height: 48px;
}

/* Episode Content */
.episode-content {
  padding: var(--spacing-3xl) 0;
}

.content-container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--spacing-lg);
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-2xl);
}

@media (min-width: 1024px) {
  .content-container {
    grid-template-columns: 1fr 320px;
  }
}

.content-main {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  padding: var(--spacing-xl);
}

@media (min-width: 768px) {
  .content-main {
    padding: var(--spacing-2xl);
  }
}

.section-heading {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  font-size: var(--text-xl);
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: var(--spacing-lg);
  padding-bottom: var(--spacing-md);
  border-bottom: 2px solid var(--color-gray-200);
}

.section-heading svg {
  width: 24px;
  height: 24px;
  color: var(--color-accent);
}

/* Prose Styles */
.prose {
  font-size: var(--text-base);
  line-height: 1.8;
  color: var(--color-text-secondary);
}

.prose h2, .prose h3, .prose h4 {
  font-family: var(--font-display);
  color: var(--color-text-primary);
  margin-top: var(--spacing-xl);
  margin-bottom: var(--spacing-md);
  line-height: 1.3;
}

.prose h2 { font-size: var(--text-2xl); }
.prose h3 { font-size: var(--text-xl); }
.prose h4 { font-size: var(--text-lg); }

.prose p {
  margin-bottom: var(--spacing-lg);
}

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

.prose ul, .prose ol {
  margin-bottom: var(--spacing-lg);
  padding-left: var(--spacing-xl);
}

.prose ul { list-style-type: disc; }
.prose ol { list-style-type: decimal; }

.prose li {
  margin-bottom: var(--spacing-sm);
}

.prose blockquote {
  margin: var(--spacing-lg) 0;
  padding: var(--spacing-md) var(--spacing-lg);
  border-left: 4px solid var(--color-accent);
  background: var(--color-bg-secondary);
  font-style: italic;
}

.prose code {
  font-family: var(--font-mono);
  font-size: 0.9em;
  padding: 2px 6px;
  background: var(--color-gray-100);
  border-radius: var(--radius-sm);
}

.prose pre {
  margin: var(--spacing-lg) 0;
  padding: var(--spacing-lg);
  background: var(--color-gray-900);
  border-radius: var(--radius-md);
  overflow-x: auto;
}

.prose pre code {
  padding: 0;
  background: none;
  color: var(--color-gray-100);
}

.prose img {
  margin: var(--spacing-lg) 0;
  border-radius: var(--radius-md);
}

/* Timestamps */
.timestamps {
  margin-top: var(--spacing-2xl);
}

.timestamps-list {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.timestamp-item {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-md);
}

.timestamp-btn {
  flex-shrink: 0;
  padding: var(--spacing-xs) var(--spacing-sm);
  background: var(--color-accent-light);
  border-radius: var(--radius-sm);
  transition: background var(--transition-fast);
}

.timestamp-btn:hover {
  background: var(--color-accent);
}

.timestamp-btn:hover .timestamp-time {
  color: var(--color-white);
}

.timestamp-time {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-accent);
  transition: color var(--transition-fast);
}

.timestamp-text {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  padding-top: 2px;
}

/* Related Links */
.related-links {
  margin-top: var(--spacing-2xl);
}

.links-list {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.link-item a {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-sm);
  font-size: var(--text-sm);
  color: var(--color-accent);
}

.link-item a svg {
  width: 14px;
  height: 14px;
  opacity: 0.5;
}

.link-item a:hover svg {
  opacity: 1;
}

/* Sidebar */
.content-sidebar {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xl);
}

.sidebar-section {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
}

.sidebar-heading {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: var(--spacing-md);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.tags-cloud {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-sm);
}

.tag-link {
  font-size: var(--text-sm);
  padding: var(--spacing-xs) var(--spacing-md);
  background: var(--color-gray-100);
  color: var(--color-text-secondary);
  border-radius: var(--radius-full);
  transition: all var(--transition-fast);
}

.tag-link:hover {
  background: var(--color-accent);
  color: var(--color-white);
}

.share-buttons {
  display: flex;
  gap: var(--spacing-sm);
}

.share-btn {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-gray-100);
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
}

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

.share-btn svg {
  width: 18px;
  height: 18px;
}

.subscribe-card {
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
  color: var(--color-white);
}

.subscribe-card .sidebar-heading {
  color: var(--color-white);
}

.subscribe-text {
  font-size: var(--text-sm);
  opacity: 0.9;
  margin-bottom: var(--spacing-md);
}

.subscribe-buttons {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.subscribe-link {
  display: block;
  padding: var(--spacing-sm) var(--spacing-md);
  background: rgba(255, 255, 255, 0.15);
  color: var(--color-white);
  font-size: var(--text-sm);
  font-weight: 500;
  text-align: center;
  border-radius: var(--radius-md);
  transition: background var(--transition-fast);
}

.subscribe-link:hover {
  background: rgba(255, 255, 255, 0.25);
  color: var(--color-white);
}

/* Episode Navigation */
.episode-navigation {
  background: var(--color-white);
  border-top: 1px solid var(--color-gray-200);
  padding: var(--spacing-xl) 0;
}

.nav-container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--spacing-lg);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-lg);
}

.episode-navigation .nav-link {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
  padding: var(--spacing-md);
  background: var(--color-bg-secondary);
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
}

.episode-navigation .nav-link:hover {
  background: var(--color-gray-200);
}

.episode-navigation .nav-link.next {
  text-align: right;
  align-items: flex-end;
}

.episode-navigation .nav-link.placeholder {
  opacity: 0;
  pointer-events: none;
}

.nav-label {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.nav-label svg {
  width: 14px;
  height: 14px;
}

.nav-title {
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text-primary);
}

/* ========== Single Page ========== */
.page-single {
  padding: var(--spacing-3xl) 0;
}

.page-single .page-container {
  max-width: 800px;
}

.page-single .page-header {
  text-align: left;
  margin-bottom: var(--spacing-2xl);
}

.page-content {
  background: var(--color-white);
  padding: var(--spacing-2xl);
  border-radius: var(--radius-lg);
}

/* ========== List Page ========== */
.list-page {
  padding: var(--spacing-3xl) 0;
}

.list-items {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xl);
}

.list-item {
  padding: var(--spacing-lg);
  background: var(--color-white);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
}

.item-title {
  font-size: var(--text-xl);
  font-weight: 600;
  margin-bottom: var(--spacing-sm);
}

.item-title a:hover {
  color: var(--color-accent);
}

.item-description {
  font-size: var(--text-base);
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-sm);
}

.item-date {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

/* ========== Footer ========== */
.site-footer {
  background: var(--color-primary);
  color: var(--color-white);
  padding: var(--spacing-3xl) 0 var(--spacing-xl);
  margin-top: auto;
}

.footer-container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--spacing-lg);
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-2xl);
}

@media (min-width: 768px) {
  .footer-container {
    grid-template-columns: 2fr 1fr 1fr;
  }
}

.footer-title {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 600;
  margin-bottom: var(--spacing-md);
}

.footer-description {
  font-size: var(--text-sm);
  opacity: 0.8;
  line-height: 1.7;
  max-width: 300px;
}

.footer-heading {
  font-size: var(--text-sm);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: var(--spacing-md);
  opacity: 0.9;
}

.platform-links,
.social-links {
  display: flex;
  gap: var(--spacing-md);
}

.platform-link,
.social-link {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
}

.platform-link:hover,
.social-link:hover {
  background: var(--color-accent);
  color: var(--color-white);
}

.platform-link svg,
.social-link svg {
  width: 20px;
  height: 20px;
}

.footer-bottom {
  max-width: var(--max-width);
  margin: var(--spacing-2xl) auto 0;
  padding: var(--spacing-lg) var(--spacing-lg) 0;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
  text-align: center;
}

@media (min-width: 768px) {
  .footer-bottom {
    flex-direction: row;
    justify-content: space-between;
    text-align: left;
  }
}

.copyright,
.powered-by {
  font-size: var(--text-sm);
  opacity: 0.7;
}

.powered-by a {
  opacity: 1;
}

.powered-by a:hover {
  text-decoration: underline;
}

/* ========== Global Audio Player ========== */
.global-player {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: var(--color-white);
  border-top: 1px solid var(--color-gray-200);
  box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.1);
  z-index: 1000;
  transform: translateY(100%);
  transition: transform var(--transition-base);
}

.global-player.active {
  transform: translateY(0);
}

.player-container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: var(--spacing-md) var(--spacing-lg);
  position: relative;
}

.player-close {
  position: absolute;
  top: var(--spacing-sm);
  right: var(--spacing-md);
  width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-muted);
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
}

.player-close:hover {
  background: var(--color-gray-100);
  color: var(--color-text-primary);
}

.player-close svg {
  width: 18px;
  height: 18px;
}

.player-main {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-md);
  align-items: center;
}

@media (min-width: 768px) {
  .player-main {
    grid-template-columns: 1fr auto auto auto;
    gap: var(--spacing-xl);
  }
}

.player-info {
  min-width: 0;
}

.player-title-link {
  display: block;
}

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

.player-controls {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-md);
}

.control-btn {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-secondary);
  border-radius: 50%;
  transition: all var(--transition-fast);
  position: relative;
}

.control-btn:hover {
  background: var(--color-gray-100);
  color: var(--color-text-primary);
}

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

.control-btn .control-label {
  position: absolute;
  font-size: 8px;
  font-weight: 700;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  margin-top: 2px;
  color: var(--color-text-secondary);
  pointer-events: none;
}

.play-btn {
  width: 48px;
  height: 48px;
  background: var(--color-accent);
  color: var(--color-white);
}

.play-btn:hover {
  background: var(--color-accent-hover);
  color: var(--color-white);
}

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

.player-progress {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  flex: 1;
  min-width: 200px;
}

.time-display {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  min-width: 40px;
}

.progress-bar {
  flex: 1;
  position: relative;
  cursor: pointer;
}

.progress-track {
  height: 4px;
  background: var(--color-gray-200);
  border-radius: 2px;
  overflow: hidden;
}

.progress-fill {
  height: 100%;
  background: var(--color-accent);
  border-radius: 2px;
  transition: width 100ms linear;
}

.progress-range {
  position: absolute;
  top: 50%;
  left: 0;
  right: 0;
  transform: translateY(-50%);
  width: 100%;
  height: 20px;
  opacity: 0;
  cursor: pointer;
}

.player-extras {
  display: none;
  align-items: center;
  gap: var(--spacing-lg);
}

@media (min-width: 768px) {
  .player-extras {
    display: flex;
  }
}

.speed-btn {
  padding: var(--spacing-xs) var(--spacing-sm);
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--color-text-secondary);
  background: var(--color-gray-100);
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
}

.speed-btn:hover {
  background: var(--color-gray-200);
}

.volume-control {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.volume-btn {
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-secondary);
  border-radius: var(--radius-sm);
}

.volume-btn:hover {
  background: var(--color-gray-100);
}

.volume-btn svg {
  width: 18px;
  height: 18px;
}

.volume-slider {
  width: 80px;
  height: 4px;
  -webkit-appearance: none;
  appearance: none;
  background: var(--color-gray-200);
  border-radius: 2px;
  cursor: pointer;
}

.volume-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 12px;
  height: 12px;
  background: var(--color-accent);
  border-radius: 50%;
  cursor: pointer;
}

/* Player bottom padding for content */
body.player-active {
  padding-bottom: var(--player-height);
}

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