:root {
  color-scheme: dark;
  --page-bg: #10192e;
}

* {
  box-sizing: border-box;
}

html,
body {
  width: 100%;
  height: 100%;
  margin: 0;
}

body {
  overflow: hidden;
  background: var(--page-bg);
}

.document-stage {
  width: 100vw;
  height: 100vh;
  overflow: auto;
  background: var(--page-bg);
  scrollbar-width: none;
}

.document-stage::-webkit-scrollbar {
  display: none;
}

.document-scale-wrap {
  width: 900px;
  min-height: 1200px;
  margin: 0 auto;
  opacity: 0;
  transition: opacity 120ms ease;
}

.document-stage.is-ready .document-scale-wrap {
  opacity: 1;
}

.document-scale-wrap iframe {
  display: block;
  width: 900px;
  height: 1200px;
  border: 0;
  background: var(--page-bg);
  transform-origin: top left;
}

@media (max-width: 760px) {
  .document-scale-wrap {
    margin: 0;
  }
}