:root {
  --bg: #090909;
  --surface: #111111;
  --surface-soft: #171717;
  --surface-strong: #1f1f1f;
  --line: rgba(255, 255, 255, 0.08);
  --text: #f5f3ef;
  --muted: #a8a29e;
  --accent: #c43125;
  --accent-soft: #7c1d17;
  --shadow: 0 20px 60px rgba(0, 0, 0, 0.35);
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
  background: var(--bg);
  color: var(--text);
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

body {
  min-height: 100svh;
}

button,
iframe {
  font: inherit;
}

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

.app-shell {
  min-height: 100svh;
  padding-bottom: 6rem;
  background:
    radial-gradient(circle at top, rgba(196, 49, 37, 0.14), transparent 26%),
    var(--bg);
}

.content {
  min-height: 100svh;
}

.panel {
  min-height: 100svh;
}

.watch-panel {
  display: grid;
  grid-template-rows: auto minmax(0, 1fr);
  gap: 0.85rem;
  padding: 0.65rem 0.65rem 0.85rem;
  max-width: 78rem;
  margin: 0 auto;
}

.watch-hero {
  position: sticky;
  top: 0.65rem;
  z-index: 2;
  padding: 0.55rem;
  border: 1px solid var(--line);
  border-radius: 1.25rem;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.04), transparent),
    var(--surface);
  box-shadow: var(--shadow);
}

.video-frame {
  overflow: hidden;
  border-radius: 1rem;
  background: #000;
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
}

.video-frame iframe {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  border: 0;
}

.playlist-strip {
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: minmax(13rem, 72%);
  gap: 0.65rem;
  overflow-x: auto;
  padding: 0.1rem 0 0.2rem;
  scrollbar-width: none;
}

.playlist-strip::-webkit-scrollbar {
  display: none;
}

.playlist-card {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.5rem;
  width: 100%;
  padding: 0.42rem;
  border: 1px solid var(--line);
  border-radius: 1rem;
  background: var(--surface-soft);
  color: inherit;
  text-align: left;
  cursor: pointer;
  box-shadow: var(--shadow);
  transition:
    transform 160ms ease,
    border-color 160ms ease,
    background-color 160ms ease;
}

.playlist-card:active,
.playlist-card:focus-visible {
  transform: scale(0.99);
}

.playlist-card:focus-visible {
  outline: 2px solid rgba(196, 49, 37, 0.85);
  outline-offset: 2px;
}

.playlist-card.is-active {
  border-color: rgba(196, 49, 37, 0.75);
  background: var(--surface-strong);
}

.playlist-card__image {
  width: 100%;
  aspect-ratio: 16 / 9;
  border-radius: 0.75rem;
  object-fit: cover;
  background: #000;
}

.playlist-card__meta {
  display: grid;
  gap: 0.24rem;
  min-width: 0;
}

.playlist-card__title {
  display: -webkit-box;
  overflow: hidden;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  font-size: 0.88rem;
  line-height: 1.3;
}

.playlist-card__count {
  color: var(--muted);
  font-size: 0.76rem;
  line-height: 1.2;
}

.video-strip {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.6rem;
  padding-bottom: 0.1rem;
}

.video-thumb {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.55rem;
  width: 100%;
  padding: 0.42rem;
  border: 1px solid var(--line);
  border-radius: 1rem;
  background: var(--surface-soft);
  color: inherit;
  text-align: left;
  cursor: pointer;
  box-shadow: var(--shadow);
  transition:
    transform 160ms ease,
    border-color 160ms ease,
    background-color 160ms ease;
}

.video-thumb:active,
.video-thumb:focus-visible {
  transform: scale(0.99);
}

.video-thumb:focus-visible {
  outline: 2px solid rgba(196, 49, 37, 0.85);
  outline-offset: 2px;
}

.video-thumb:active {
  transform: scale(0.99);
}

.video-thumb.is-active {
  border-color: rgba(196, 49, 37, 0.75);
  background: var(--surface-strong);
}

.video-thumb__image {
  width: 100%;
  aspect-ratio: 16 / 9;
  border-radius: 0.75rem;
  object-fit: cover;
  background: #000;
}

.video-thumb__meta {
  display: grid;
  align-content: start;
  gap: 0.22rem;
  min-width: 0;
}

.video-thumb__title {
  display: -webkit-box;
  overflow: hidden;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  font-size: 0.84rem;
  line-height: 1.28;
}

.video-thumb__date {
  color: var(--muted);
  font-size: 0.74rem;
  line-height: 1.2;
}

.video-strip--empty {
  display: block;
}

.video-empty {
  padding: 1rem 1.1rem;
  border: 1px solid var(--line);
  border-radius: 1rem;
  background: var(--surface-soft);
  box-shadow: var(--shadow);
}

.video-empty p {
  margin: 0;
  color: var(--muted);
}

.mobile-actions {
  position: fixed;
  left: 0.65rem;
  right: 0.65rem;
  bottom: calc(0.65rem + env(safe-area-inset-bottom, 0px));
  z-index: 4;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.55rem;
}

.mobile-action {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.55rem;
  min-height: 3.5rem;
  padding: 0.8rem 0.85rem;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 1rem;
  background: rgba(17, 17, 17, 0.94);
  box-shadow: var(--shadow);
  color: var(--text);
  text-decoration: none;
  backdrop-filter: blur(18px);
}

.mobile-action__icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.1rem;
  height: 2.1rem;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--accent), var(--accent-soft));
  flex-shrink: 0;
}

.mobile-action__icon svg {
  width: 1.1rem;
  height: 1.1rem;
  fill: none;
  stroke: #fff;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.mobile-action__label {
  font-size: 0.82rem;
  font-weight: 700;
  line-height: 1.15;
  text-align: left;
}

@media (orientation: landscape) {
  .watch-panel {
    grid-template-rows: auto 1fr;
    padding-top: 0.5rem;
  }

  .video-frame iframe {
    aspect-ratio: auto;
    height: min(62svh, 26rem);
  }

  .playlist-strip {
    grid-auto-columns: minmax(15rem, 34%);
  }

  .video-strip {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    align-content: start;
  }
}

@media (max-width: 21rem) {
  .video-strip {
    grid-template-columns: 1fr;
  }
}

@media (min-width: 22rem) and (max-width: 47.99rem) {
  .video-thumb {
    min-height: 100%;
  }
}

@media (min-width: 48rem) {
  .app-shell {
    max-width: 78rem;
    margin: 0 auto;
    padding-bottom: 0.65rem;
  }

  .watch-panel {
    padding: 1rem 1rem 1.2rem;
  }

  .watch-hero {
    top: 1rem;
    padding: 0.85rem;
    border-radius: 1.5rem;
  }

  .playlist-strip {
    grid-auto-columns: minmax(15rem, 24rem);
  }

  .video-strip {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .mobile-actions {
    display: none;
  }
}

@media (min-width: 70rem) {
  .video-frame iframe {
    aspect-ratio: auto;
    height: min(62vh, 42rem);
  }

  .playlist-strip {
    grid-auto-columns: minmax(16rem, 22rem);
    gap: 0.85rem;
  }

  .video-strip {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 0.9rem;
  }

  .video-thumb {
    grid-template-columns: 1fr;
    align-content: start;
    padding: 0.65rem;
  }

  .video-thumb__meta {
    align-content: start;
  }
}