:root {
  --film-bg: #f3ecdf;
  --film-ink: #173630;
  --film-muted: #667b74;
  --film-deep: #102420;
  --film-line: rgba(23, 54, 48, 0.12);
  --film-surface: rgba(255, 251, 245, 0.76);
  --film-shadow: 0 24px 80px rgba(16, 36, 32, 0.18);
}

body.page-demo-film {
  min-height: 100vh;
  color: var(--film-ink);
  background:
    radial-gradient(circle at top left, rgba(14, 141, 110, 0.1), transparent 30%),
    radial-gradient(circle at top right, rgba(245, 123, 66, 0.16), transparent 28%),
    linear-gradient(180deg, #fffaf2 0%, #f3ecdf 100%);
}

.film-topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 18px 24px;
}

.film-brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
}

.film-brand-mark {
  display: grid;
  place-items: center;
  width: 46px;
  height: 46px;
  border-radius: 14px;
  color: #fff;
  background: linear-gradient(135deg, var(--brand), var(--accent));
  box-shadow: 0 18px 34px rgba(15, 143, 111, 0.24);
  font-weight: 800;
}

.film-brand-copy {
  display: grid;
  gap: 2px;
}

.film-brand-copy strong {
  font-size: 18px;
}

.film-brand-copy span {
  color: var(--film-muted);
  font-size: 13px;
}

.film-nav {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
}

.film-nav a {
  padding: 10px 14px;
  border-radius: 999px;
  color: var(--film-muted);
  background: rgba(255, 255, 255, 0.48);
  border: 1px solid rgba(23, 54, 48, 0.08);
}

.film-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.3fr) minmax(340px, 0.7fr);
  gap: 22px;
  padding: 8px 24px 30px;
}

.film-stage-panel,
.film-side-panel {
  min-width: 0;
}

.film-stage-shell,
.film-side-panel {
  background: var(--film-surface);
  border: 1px solid rgba(255, 255, 255, 0.56);
  border-radius: 34px;
  box-shadow: var(--film-shadow);
  backdrop-filter: blur(18px);
}

.film-stage-shell {
  position: relative;
  overflow: hidden;
  padding: 14px;
  background:
    radial-gradient(circle at top left, rgba(15, 143, 111, 0.12), transparent 30%),
    radial-gradient(circle at bottom right, rgba(245, 123, 66, 0.16), transparent 30%),
    rgba(255, 251, 245, 0.72);
}

#filmCanvas {
  display: block;
  width: 100%;
  aspect-ratio: 16 / 9;
  border-radius: 24px;
  background: #0f211d;
}

.film-toolbar {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  padding: 18px 6px 0;
}

.film-side-panel {
  display: grid;
  align-content: start;
  gap: 20px;
  padding: 28px 24px;
}

.film-copy h1 {
  margin: 16px 0 14px;
  font-family: "Iowan Old Style", "Georgia", "STSong", serif;
  font-size: clamp(34px, 3.2vw, 52px);
  line-height: 1.04;
}

.film-copy p,
.film-outline-head p,
.film-scene-copy span,
.film-caption-card p {
  margin: 0;
  color: var(--film-muted);
}

.film-meta-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}

.film-meta-card,
.film-caption-card,
.film-scene-item {
  background: rgba(255, 255, 255, 0.7);
  border: 1px solid rgba(23, 54, 48, 0.08);
  border-radius: 24px;
}

.film-meta-card {
  display: grid;
  gap: 4px;
  padding: 16px 14px;
}

.film-meta-card strong {
  font-size: 28px;
  line-height: 1;
}

.film-meta-card span {
  color: var(--film-muted);
  font-size: 13px;
  font-weight: 600;
}

.film-caption-card {
  display: grid;
  gap: 12px;
  padding: 18px;
}

.film-caption-card p {
  min-height: 3.4em;
  font-size: 15px;
  line-height: 1.5;
}

.film-outline {
  display: grid;
  gap: 14px;
}

.film-outline-head {
  display: grid;
  gap: 10px;
}

.film-scene-list {
  display: grid;
  gap: 10px;
}

.film-scene-item {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 12px;
  align-items: start;
  padding: 16px;
  transition: transform 0.22s ease, border-color 0.22s ease, background 0.22s ease;
}

.film-scene-item.is-active {
  transform: translateY(-1px);
  background: rgba(255, 255, 255, 0.9);
  border-color: rgba(15, 143, 111, 0.2);
}

.film-scene-num {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  color: var(--brand-strong);
  background: rgba(15, 143, 111, 0.12);
  font-size: 13px;
  font-weight: 800;
}

.film-scene-copy {
  display: grid;
  gap: 4px;
}

.film-scene-copy strong {
  font-size: 16px;
}

.film-scene-time {
  color: var(--film-muted);
  font-size: 12px;
  font-weight: 700;
}

@media (max-width: 1120px) {
  .film-layout {
    grid-template-columns: 1fr;
  }

  .film-copy h1 {
    font-size: clamp(32px, 6vw, 46px);
  }
}

@media (max-width: 720px) {
  .film-topbar,
  .film-layout {
    padding-left: 14px;
    padding-right: 14px;
  }

  .film-topbar {
    flex-direction: column;
    align-items: stretch;
  }

  .film-nav {
    width: 100%;
    overflow-x: auto;
    flex-wrap: nowrap;
    scrollbar-width: none;
  }

  .film-nav::-webkit-scrollbar {
    display: none;
  }

  .film-nav a {
    flex: 0 0 auto;
  }

  .film-stage-shell,
  .film-side-panel {
    border-radius: 26px;
  }

  .film-side-panel {
    padding: 20px 16px;
  }

  .film-copy h1 {
    margin-top: 12px;
    font-size: clamp(28px, 9vw, 38px);
  }

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

  .film-meta-card:last-child {
    grid-column: 1 / -1;
  }
}