/* Complete iOS 18-inspired design system */
:root {
  --ios-red: #ff3b30;
  --ios-red-dark: #ff2d55;
  --ios-bg: #000000;
  --ios-bg-elevated: #1c1c1e;
  --ios-bg-secondary: #2c2c2e;
  --ios-bg-tertiary: #3a3a3c;
  --ios-text: #ffffff;
  --ios-text-secondary: #98989d;
  --ios-text-tertiary: #636366;
  --ios-border: rgba(84, 84, 88, 0.65);
  --ios-separator: rgba(84, 84, 88, 0.3);
  --ios-shadow: rgba(0, 0, 0, 0.3);
  --ios-blur: blur(40px) saturate(180%);
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  -webkit-tap-highlight-color: transparent;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display", "Segoe UI", Roboto, sans-serif;
  background: var(--ios-bg);
  color: var(--ios-text);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

/* Container with safe area support */
.ios-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 16px;
  padding-left: max(16px, env(safe-area-inset-left));
  padding-right: max(16px, env(safe-area-inset-right));
}

/* iOS 18 Header with glassmorphism */
.ios-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(28, 28, 30, 0.72);
  backdrop-filter: var(--ios-blur);
  -webkit-backdrop-filter: var(--ios-blur);
  border-bottom: 0.5px solid var(--ios-separator);
  padding-top: env(safe-area-inset-top);
}

.ios-header-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 52px;
}

.ios-logo {
  font-size: 20px;
  font-weight: 700;
  letter-spacing: -0.5px;
  background: linear-gradient(135deg, var(--ios-red) 0%, var(--ios-red-dark) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.ios-icon-button {
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--ios-red);
  border-radius: 50%;
  transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  cursor: pointer;
  border: none;
  background: transparent;
}

.ios-icon-button:active {
  transform: scale(0.92);
  background: var(--ios-bg-secondary);
}

/* Hero with dynamic gradient */
.ios-hero {
  position: relative;
  padding: 48px 0 32px;
  overflow: hidden;
}

.ios-hero-gradient {
  position: absolute;
  top: -50%;
  left: 50%;
  transform: translateX(-50%);
  width: 150%;
  height: 200%;
  background: radial-gradient(circle at center, rgba(255, 59, 48, 0.15) 0%, transparent 60%);
  pointer-events: none;
  animation: pulse 8s ease-in-out infinite;
}

@keyframes pulse {
  0%,
  100% {
    opacity: 0.5;
    transform: translateX(-50%) scale(1);
  }
  50% {
    opacity: 0.8;
    transform: translateX(-50%) scale(1.1);
  }
}

.ios-hero-content {
  text-align: center;
  position: relative;
  z-index: 1;
}

.ios-hero-title {
  font-size: 32px;
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -1px;
  margin-bottom: 8px;
  background: linear-gradient(135deg, #ffffff 0%, #e5e5ea 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.ios-hero-subtitle {
  font-size: 17px;
  color: var(--ios-text-secondary);
  font-weight: 400;
}

/* Section spacing */
.ios-section {
  padding: 24px 0;
}

.ios-section-title {
  font-size: 22px;
  font-weight: 700;
  letter-spacing: -0.5px;
  margin-bottom: 16px;
  color: var(--ios-text);
}

/* Horizontal scroll with momentum */
.ios-scroll-container {
  display: flex;
  gap: 12px;
  overflow-x: auto;
  overflow-y: hidden;
  scroll-behavior: smooth;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
  padding-bottom: 4px;
  scroll-snap-type: x proximity;
}

.ios-scroll-container::-webkit-scrollbar {
  display: none;
}

/* Grid layout */
.ios-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
  gap: 12px;
}

/* iOS 18 Card design */
.ios-card {
  flex: 0 0 150px;
  text-decoration: none;
  color: inherit;
  transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  scroll-snap-align: start;
}

.ios-card:active {
  transform: scale(0.96);
}

.ios-card-image {
  position: relative;
  width: 100%;
  aspect-ratio: 2 / 3;
  border-radius: 12px;
  overflow: hidden;
  background: var(--ios-bg-elevated);
  margin-bottom: 8px;
  box-shadow: 0 4px 12px var(--ios-shadow);
}

.ios-card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s ease;
}

.ios-card:active .ios-card-image img {
  transform: scale(1.05);
}

.ios-card-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to bottom, transparent 0%, rgba(0, 0, 0, 0.6) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.ios-card:hover .ios-card-overlay {
  opacity: 1;
}

.ios-play-icon {
  filter: drop-shadow(0 2px 8px rgba(0, 0, 0, 0.4));
  transition: transform 0.2s ease;
}

.ios-card:hover .ios-play-icon {
  transform: scale(1.1);
}

.ios-card-content {
  padding: 0 2px;
}

.ios-card-title {
  font-size: 13px;
  font-weight: 600;
  line-height: 1.3;
  letter-spacing: -0.2px;
  margin-bottom: 2px;
  overflow: hidden;
  text-overflow: ellipsis;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
}

.ios-card-subtitle {
  font-size: 11px;
  color: var(--ios-text-secondary);
  font-weight: 400;
}

/* Announcements with markdown support */
.ios-announcements {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.ios-announcement-card {
  background: var(--ios-bg-elevated);
  border: 0.5px solid var(--ios-border);
  border-radius: 16px;
  overflow: hidden;
  transition: all 0.3s ease;
}

.ios-announcement-card:active {
  transform: scale(0.98);
}

.ios-announcement-image {
  width: 100%;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background: var(--ios-bg-secondary);
}

.ios-announcement-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.ios-announcement-content {
  padding: 16px;
}

.ios-announcement-text {
  font-size: 15px;
  line-height: 1.5;
  margin-bottom: 12px;
  color: var(--ios-text);
}

.ios-announcement-text p {
  margin-bottom: 8px;
}

.ios-announcement-text strong {
  font-weight: 600;
  color: var(--ios-text);
}

.ios-announcement-text a {
  color: var(--ios-red);
  text-decoration: none;
}

.ios-announcement-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 13px;
  color: var(--ios-text-secondary);
  margin-bottom: 12px;
}

.ios-announcement-views {
  display: flex;
  align-items: center;
  gap: 4px;
}

.ios-announcement-button {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 10px 16px;
  background: var(--ios-red);
  color: white;
  border-radius: 10px;
  font-size: 14px;
  font-weight: 600;
  text-decoration: none;
  transition: all 0.2s ease;
}

.ios-announcement-button:active {
  transform: scale(0.96);
  background: var(--ios-red-dark);
}

/* Search section */
.ios-search-section {
  padding: 16px 0;
  background: var(--ios-bg);
  border-bottom: 0.5px solid var(--ios-separator);
}

.ios-search-form {
  width: 100%;
}

.ios-search-input-wrapper {
  position: relative;
  width: 100%;
}

.ios-search-input-icon {
  position: absolute;
  left: 12px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--ios-text-secondary);
  pointer-events: none;
}

.ios-search-input {
  width: 100%;
  height: 44px;
  padding: 0 12px 0 40px;
  background: var(--ios-bg-elevated);
  border: 0.5px solid var(--ios-border);
  border-radius: 10px;
  color: var(--ios-text);
  font-size: 17px;
  font-family: inherit;
  transition: all 0.2s ease;
}

.ios-search-input:focus {
  outline: none;
  border-color: var(--ios-red);
  background: var(--ios-bg-secondary);
}

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

/* Empty state */
.ios-empty-state {
  text-align: center;
  padding: 80px 20px;
}

.ios-empty-state svg {
  color: var(--ios-text-tertiary);
  margin-bottom: 16px;
}

.ios-empty-title {
  font-size: 22px;
  font-weight: 700;
  letter-spacing: -0.5px;
  margin-bottom: 8px;
}

.ios-empty-text {
  font-size: 17px;
  color: var(--ios-text-secondary);
}

/* Detail hero with immersive design */
.ios-detail-hero {
  position: relative;
  min-height: 65vh;
  display: flex;
  align-items: flex-end;
  padding-bottom: 32px;
}

.ios-detail-hero-image {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.ios-detail-hero-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.ios-detail-hero-gradient {
  position: absolute;
  inset: 0;
  background: linear-gradient(to bottom, transparent 0%, rgba(0, 0, 0, 0.4) 40%, var(--ios-bg) 100%);
}

.ios-detail-hero-content {
  position: relative;
  z-index: 1;
}

.ios-detail-title {
  font-size: 28px;
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.8px;
  margin-bottom: 8px;
  text-shadow: 0 2px 12px rgba(0, 0, 0, 0.5);
}

.ios-detail-subtitle {
  font-size: 17px;
  color: var(--ios-text-secondary);
  margin-bottom: 20px;
  text-shadow: 0 1px 4px rgba(0, 0, 0, 0.5);
}

.ios-play-button {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 28px;
  background: var(--ios-red);
  color: white;
  border: none;
  border-radius: 12px;
  font-size: 17px;
  font-weight: 600;
  font-family: inherit;
  cursor: pointer;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  text-decoration: none;
  box-shadow: 0 4px 16px rgba(255, 59, 48, 0.4);
}

.ios-play-button:active {
  transform: scale(0.96);
  box-shadow: 0 2px 8px rgba(255, 59, 48, 0.3);
}

/* Episodes grid */
.ios-episodes-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 10px;
}

.ios-episode-card {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px;
  background: var(--ios-bg-elevated);
  border: 0.5px solid var(--ios-border);
  border-radius: 12px;
  transition: all 0.2s ease;
  cursor: pointer;
}

.ios-episode-card:active {
  transform: scale(0.98);
  background: var(--ios-bg-secondary);
}

.ios-episode-number {
  flex-shrink: 0;
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--ios-red);
  color: white;
  border-radius: 10px;
  font-size: 17px;
  font-weight: 700;
}

.ios-episode-info {
  flex: 1;
  min-width: 0;
}

.ios-episode-title {
  font-size: 15px;
  font-weight: 600;
  line-height: 1.3;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.ios-episode-play {
  flex-shrink: 0;
  color: var(--ios-text-secondary);
}

/* Footer */
.ios-footer {
  padding: 32px 0;
  padding-bottom: max(32px, env(safe-area-inset-bottom));
  border-top: 0.5px solid var(--ios-separator);
  margin-top: 48px;
}

.ios-footer-links {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  margin-bottom: 16px;
  flex-wrap: wrap;
}

.ios-footer-link {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 10px 14px;
  background: var(--ios-bg-elevated);
  border: 0.5px solid var(--ios-border);
  border-radius: 10px;
  color: var(--ios-text);
  text-decoration: none;
  font-size: 13px;
  font-weight: 500;
  transition: all 0.2s ease;
}

.ios-footer-link:active {
  transform: scale(0.96);
  background: var(--ios-bg-secondary);
}

.ios-footer-link svg {
  flex-shrink: 0;
}

.ios-footer-text {
  text-align: center;
  font-size: 13px;
  color: var(--ios-text-tertiary);
}

.ios-footer-text strong {
  color: var(--ios-red);
  font-weight: 600;
}

/* Responsive optimizations */
@media (max-width: 640px) {
  .ios-hero-title {
    font-size: 28px;
  }

  .ios-section-title {
    font-size: 20px;
  }

  .ios-detail-title {
    font-size: 24px;
  }

  .ios-grid {
    grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  }

  .ios-card {
    flex: 0 0 140px;
  }

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

/* Performance optimizations */
html {
  scroll-behavior: smooth;
  -webkit-overflow-scrolling: touch;
}

img {
  content-visibility: auto;
}

button,
.ios-card,
.ios-episode-card {
  -webkit-touch-callout: none;
  -webkit-user-select: none;
  user-select: none;
}