/*
 * The page is black in every colour scheme and shows nothing but the player.
 * No overlays: YouTube's Required Minimum Functionality forbids them.
 * Chromium 79: no `inset`, no `aspect-ratio`.
 */
:root {
  --stage-bg: #000;
  --stage-fg: #fff;
  color-scheme: dark;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --stage-bg: #000;
    --stage-fg: #fff;
  }
}

:root[data-theme="dark"] {
  --stage-bg: #000;
  --stage-fg: #fff;
}

html,
body {
  margin: 0;
  padding: 0;
  width: 100%;
  height: 100%;
  overflow: hidden;
  background: var(--stage-bg);
  color: var(--stage-fg);
}

#stage,
#player {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  margin: 0;
  border: 0;
}