/* YouTube TV (10-Foot UI) Design System */
:root {
  --yt-bg: #0f0f0f;
  --yt-surface: #181818;
  --yt-card-bg: #212121;
  --yt-card-hover: #2a2a2a;
  --yt-card-focus: #383838;
  --yt-border: #303030;
  --yt-red: #ff0000;
  --yt-red-hover: #cc0000;
  --yt-text-primary: #f1f1f1;
  --yt-text-secondary: #aaaaaa;
  --yt-focus-ring: #ff0000;
  --yt-focus-glow: rgba(255, 0, 0, 0.6);
  --tv-font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html, body {
  background-color: var(--yt-bg);
  color: var(--yt-text-primary);
  font-family: var(--tv-font);
  width: 100vw;
  height: 100vh;
  overflow-x: hidden;
  overflow-y: auto;
  user-select: none;
  -webkit-font-smoothing: antialiased;
}

/* TV App Layout Shell */
.tv-app-shell {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  padding: 1.5rem 2.5rem;
  gap: 1.5rem;
}

/* TV Top Header */
.tv-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--yt-border);
}

.tv-brand {
  display: flex;
  align-items: center;
  gap: 14px;
}

.tv-logo-badge {
  background: var(--yt-red);
  color: #fff;
  width: 44px;
  height: 32px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 12px rgba(255, 0, 0, 0.4);
}

.tv-brand-title {
  font-size: 1.6rem;
  font-weight: 800;
  letter-spacing: -0.5px;
}

.tv-brand-sub {
  font-size: 1.1rem;
  color: var(--yt-text-secondary);
  font-weight: 500;
}

.tv-header-status {
  display: flex;
  align-items: center;
  gap: 12px;
}

.tv-status-badge {
  background: rgba(255, 255, 255, 0.1);
  padding: 6px 14px;
  border-radius: 20px;
  font-size: 0.9rem;
  color: var(--yt-text-secondary);
}

/* TV Player Section (Theater) */
.tv-player-section {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  background: var(--yt-surface);
  border: 1px solid var(--yt-border);
  border-radius: 12px;
  padding: 1.25rem;
}

.tv-player-wrapper {
  position: relative;
  width: 100%;
  max-width: 1100px;
  margin: 0 auto;
  aspect-ratio: 16 / 9;
  background: #000;
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.7);
  transition: all 0.25s ease;
}

/* TV Fullscreen Mode */
.tv-player-wrapper.tv-fullscreen-mode {
  position: fixed !important;
  top: 0 !important;
  left: 0 !important;
  width: 100vw !important;
  height: 100vh !important;
  max-width: 100vw !important;
  border-radius: 0 !important;
  z-index: 99999 !important;
  margin: 0 !important;
  box-shadow: none !important;
}

.tv-player-wrapper.tv-fullscreen-mode video {
  object-fit: contain;
}

/* TV Exit Fullscreen Overlay Button */
.tv-exit-fs-btn {
  display: none;
  position: absolute;
  top: 20px;
  right: 24px;
  z-index: 100000;
  background: rgba(18, 18, 18, 0.85);
  color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.25);
  padding: 8px 16px;
  border-radius: 8px;
  font-size: 0.95rem;
  font-weight: 500;
  cursor: pointer;
  backdrop-filter: blur(8px);
  transition: all 0.2s ease;
}

.tv-exit-fs-btn:hover,
.tv-exit-fs-btn:focus-visible {
  background: var(--yt-red);
  border-color: var(--yt-red);
  outline: none;
  transform: scale(1.05);
}

.tv-player-wrapper.tv-fullscreen-mode .tv-exit-fs-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

/* Video.js TV Custom Skin */
.video-js.vjs-theme-yt {
  width: 100% !important;
  height: 100% !important;
  font-family: inherit;
}

.video-js.vjs-theme-yt .vjs-big-play-button {
  background-color: var(--yt-red);
  border: none;
  border-radius: 50%;
  width: 72px;
  height: 72px;
  line-height: 72px;
  font-size: 36px;
  box-shadow: 0 4px 20px rgba(255, 0, 0, 0.5);
  transition: transform 0.2s ease;
}

.video-js.vjs-theme-yt:hover .vjs-big-play-button,
.video-js.vjs-theme-yt .vjs-big-play-button:focus {
  background-color: var(--yt-red-hover);
  transform: scale(1.1);
  outline: 3px solid #fff;
}

.video-js.vjs-theme-yt .vjs-play-progress {
  background-color: var(--yt-red);
}

/* TV Video Details Under Player */
.tv-player-details {
  display: flex;
  flex-direction: column;
  gap: 12px;
  max-width: 1100px;
  margin: 0 auto;
  width: 100%;
}

.tv-details-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.tv-video-title {
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--yt-text-primary);
}

.tv-meta-row {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.tv-meta-pill {
  font-size: 0.85rem;
  font-weight: 600;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.15);
  padding: 4px 12px;
  border-radius: 16px;
}

.tv-badge-red {
  background: var(--yt-red) !important;
  border-color: var(--yt-red) !important;
  color: #fff !important;
}

.tv-stream-status {
  font-size: 0.85rem;
  color: #46d369;
  margin-left: auto;
  font-weight: 600;
}

/* TV Part Selector Bar Under Player */
.tv-parts-bar {
  display: flex;
  align-items: center;
  gap: 12px;
  padding-top: 8px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.tv-part-btn {
  background: rgba(255, 255, 255, 0.1);
  border: 2px solid transparent;
  color: var(--yt-text-primary);
  padding: 10px 22px;
  border-radius: 24px;
  font-size: 1rem;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.2s ease;
}

.tv-part-btn:hover {
  background: rgba(255, 255, 255, 0.2);
}

.tv-part-btn.active {
  background: var(--yt-red);
  color: #fff;
}

.tv-part-btn.focused,
.tv-part-btn:focus-visible {
  outline: 4px solid var(--yt-focus-ring);
  box-shadow: 0 0 16px var(--yt-focus-glow);
  transform: scale(1.05);
}

/* TV Simple Episode List Section */
.tv-list-section {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.tv-section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.tv-section-title {
  font-size: 1.35rem;
  font-weight: 700;
}

.tv-item-count {
  font-size: 0.95rem;
  color: var(--yt-text-secondary);
}

/* TV Episode Grid / Shelf */
.tv-episodes-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(360px, 1fr));
  gap: 1.5rem;
}

/* TV Card (10-foot YouTube Style) */
.tv-card {
  background: var(--yt-card-bg);
  border: 2px solid transparent;
  border-radius: 12px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  cursor: pointer;
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}

.tv-card:hover {
  background: var(--yt-card-hover);
}

.tv-card.active-episode {
  border-color: var(--yt-red);
}

/* High Visibility TV Remote Focus Ring */
.tv-card.focused,
.tv-card:focus-visible {
  outline: 4px solid var(--yt-focus-ring);
  border-color: var(--yt-focus-ring);
  box-shadow: 0 0 20px var(--yt-focus-glow);
  transform: scale(1.04);
  z-index: 10;
}

.tv-thumb-wrapper {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  background: #111;
  overflow: hidden;
}

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

.tv-thumb-badge {
  position: absolute;
  bottom: 8px;
  right: 8px;
  background: rgba(0, 0, 0, 0.85);
  color: #fff;
  font-size: 0.8rem;
  font-weight: 700;
  padding: 3px 8px;
  border-radius: 4px;
}

.tv-card-body {
  padding: 14px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  flex: 1;
}

.tv-card-title {
  font-size: 1.05rem;
  font-weight: 700;
  line-height: 1.4;
  color: var(--yt-text-primary);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.tv-card-meta {
  font-size: 0.85rem;
  color: var(--yt-text-secondary);
}

.tv-card-parts {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: auto;
  padding-top: 8px;
}

.tv-card-part-btn {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.15);
  color: var(--yt-text-primary);
  padding: 6px 14px;
  border-radius: 16px;
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.15s ease;
}

.tv-card-part-btn:hover {
  background: var(--yt-red);
  color: #fff;
}

/* TV Resume Progress Bar on Thumbnails */
.tv-thumb-progress {
  position: absolute;
  bottom: 0;
  left: 0;
  height: 6px;
  background: var(--yt-red);
  box-shadow: 0 0 8px rgba(255, 0, 0, 0.8);
  transition: width 0.3s ease;
  z-index: 5;
}

.tv-card-resume-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  margin-top: 2px;
}

.tv-card-resume-text {
  font-size: 0.8rem;
  color: #ff4e45;
  font-weight: 700;
}

.tv-card-watched-badge {
  background: rgba(70, 211, 105, 0.2);
  color: #46d369;
  border: 1px solid rgba(70, 211, 105, 0.4);
  font-size: 0.75rem;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: 4px;
}

.tv-resume-toast {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  background: rgba(255, 0, 0, 0.2);
  border: 1px solid rgba(255, 0, 0, 0.5);
  padding: 10px 20px;
  border-radius: 10px;
  font-size: 0.95rem;
  font-weight: 700;
  color: #fff;
  margin-top: 8px;
}

.tv-resume-toast button {
  background: rgba(255, 255, 255, 0.2);
  border: 1px solid rgba(255, 255, 255, 0.4);
  color: #fff;
  padding: 6px 14px;
  border-radius: 16px;
  font-size: 0.85rem;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.2s ease;
}

.tv-resume-toast button:hover,
.tv-resume-toast button:focus {
  background: var(--yt-red);
  outline: 3px solid #fff;
}

/* TV Remote Control Navigation Hints Footer */
.tv-remote-hints {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1.5rem;
  padding: 1.25rem 0;
  border-top: 1px solid var(--yt-border);
  color: var(--yt-text-secondary);
  font-size: 0.9rem;
  flex-wrap: wrap;
}

.tv-key-badge {
  background: rgba(255, 255, 255, 0.12);
  color: #fff;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: 6px;
  margin-right: 6px;
  border: 1px solid rgba(255, 255, 255, 0.2);
}

/* TV Load More Card */
.tv-card.tv-card-load-more {
  border: 2px dashed rgba(255, 255, 255, 0.25);
  background: rgba(255, 255, 255, 0.04);
}

.tv-card.tv-card-load-more.focused {
  border: 3px solid var(--yt-red);
  background: rgba(255, 0, 0, 0.1);
  transform: scale(1.05);
}

.tv-thumb-load-more {
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255, 255, 255, 0.08);
}

.tv-load-more-circle {
  width: 50px;
  height: 50px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.15);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  font-weight: 300;
  color: #fff;
}