/* PREME's full-width navigation shares the artwork, then settles on scroll. */
:root {
  --sidebar-width: 0px;
  --navigation-height: 88px;
  --bg: #000;
}
html { scroll-padding-top: calc(var(--navigation-height) + 20px); }
body.tv-design { background: #000; }
#header.app-topbar {
  position: fixed;
  inset: 0 0 auto;
  z-index: 35;
  display: flex;
  align-items: center;
  flex-wrap: nowrap;
  gap: clamp(28px, 4vw, 64px);
  width: 100%;
  height: var(--navigation-height);
  padding: 14px max(var(--gutter), 3vw);
  border: 0;
  border-radius: 0;
  background: transparent;
  isolation: isolate;
  box-shadow: none;
  -webkit-backdrop-filter: none;
  backdrop-filter: none;
  transition: none;
}
#header.app-topbar::before {
  content: '';
  position: absolute;
  z-index: -1;
  inset: 0 0 -90px;
  pointer-events: none;
  background: linear-gradient(180deg, #000 0%, #000 48%, #000c 62%, #0005 80%, transparent 100%);
  opacity: .75;
  transition: opacity 350ms ease;
}
#header.app-topbar.is-scrolled::before,
body:not([data-page="home"]) #header.app-topbar::before,
body[data-view="detail"] #header.app-topbar::before {
  opacity: 1;
}
#header.app-topbar .brand-lockup { flex: 0 0 auto; gap: 5px; margin: 0; }
#header.app-topbar .brand-wordmark { width: 133px; height: 27px; margin: 0; }
#header.app-topbar .brand-tagline { color: #d2d6d4; font: 400 10px/1.4 var(--font); letter-spacing: .1px; }
#header.app-topbar nav {
  position: static;
  display: flex;
  flex-direction: row;
  align-items: center;
  gap: 8px;
  width: auto;
  padding: 0;
  background: none;
  overflow: visible;
}
#header.app-topbar nav button {
  min-height: 44px;
  padding: 11px 16px;
  border-radius: 9px;
  background: transparent;
  color: #eeeef1;
  font: 550 15px/1.4 var(--font);
  letter-spacing: .05px;
  white-space: nowrap;
  text-shadow: 0 1px 5px #0004;
}
#header.app-topbar nav button:hover { background: #ffffff12; color: #fff; }
#header.app-topbar nav button.active { background: #ffffff18; box-shadow: inset 0 1px 0 #ffffff15; color: #fff; }
#header.app-topbar .topbar-search {
  display: grid;
  place-items: center;
  flex: 0 0 44px;
  width: 44px;
  height: 44px;
  margin-left: auto;
  padding: 12px;
  border: 0;
  border-radius: 50%;
  background: transparent;
  color: #f5f5f7;
}
#header.app-topbar .topbar-search:hover { background: #ffffff12; }
#header.app-topbar .topbar-search svg { width: 20px; height: 20px; stroke-width: 1.8; }
body[data-page="search"] #header.app-topbar .topbar-search { background: #ffffff18; }
#main { padding-left: 0; padding-top: var(--navigation-height); }
body[data-page="home"] #main { padding-top: 0; }
#main .hero.source-hero { border-radius: 0; }
#main .hero.source-hero::after {
  content: '';
  position: absolute;
  z-index: -1;
  inset: 0 0 auto;
  height: min(45%, 340px);
  background: linear-gradient(180deg, #000b, #0006 40%, transparent);
  pointer-events: none;
}
#main .featured-carousel .hero-content { padding-top: calc(var(--navigation-height) + 40px); }
#main .featured-carousel .hero-bottom { inset: calc(var(--navigation-height) + 12px) max(var(--gutter), 3vw) auto auto; }
.title-detail-overlay { inset: var(--navigation-height) 0 0; padding: 0; background: #000; }
.dialog.title-dialog { background: #000; }
.detail-toolbar { background: #0008; }
.lecture-study-overlay.cinema-overlay,
.lecture-study-overlay.cinema-overlay .watch-dialog { background: #000; }
body > footer { margin-left: var(--gutter); }

@media (max-width: 700px) {
  :root { --navigation-height: 120px; }
  #header.app-topbar {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 44px;
    grid-template-rows: 48px 44px;
    gap: 8px 16px;
    padding: 12px 20px 8px;
  }
  #header.app-topbar .brand-lockup { gap: 3px; }
  #header.app-topbar .brand-wordmark { width: 111px; height: 24px; }
  #header.app-topbar .brand-wordmark img { width: 120px; height: 40px; left: -4.7px; top: -8px; }
  #header.app-topbar .brand-tagline { font-size: 10px; }
  #header.app-topbar nav { grid-column: 1 / -1; grid-row: 2; gap: 12px; }
  #header.app-topbar nav button { padding: 10px 8px; font-size: 13px; }
  #header.app-topbar .topbar-search { grid-column: 2; grid-row: 1; }
  #main .hero.featured-carousel { min-height: 620px; height: min(90svh, 760px); }
  #main .featured-carousel .hero-bottom { right: 20px; }
  #main .featured-carousel .hero-content { padding-top: calc(var(--navigation-height) + 72px); }
}
@media (prefers-reduced-motion: reduce) { #header.app-topbar::before { transition: none; } }
@media (prefers-reduced-transparency: reduce), (prefers-contrast: more) {
  #header.app-topbar { background: #000; -webkit-backdrop-filter: none; backdrop-filter: none; }
  #header.app-topbar::before { display: none; }
}
@media (forced-colors: active) {
  #header.app-topbar { background: Canvas; color: CanvasText; }
  #header.app-topbar :is(nav button, .topbar-search) { color: ButtonText; }
}