:root {
  --page-background-darkness: 0.64;
  --page-background-image: url("fullsend-tabs-background.jpg");
}

html {
  min-height: 100%;
  background: oklch(0.025 0.004 265);
  isolation: isolate;
}

html::before,
html::after {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
}

html::before {
  z-index: 0;
  background: var(--page-background-image) center 38% / cover no-repeat;
  filter: grayscale(1) brightness(0.46) contrast(1.16);
  opacity: 0;
  transform: scale(1.01);
  transition: opacity 700ms cubic-bezier(0.16, 1, 0.3, 1);
}

html.page-background-ready::before {
  opacity: 1;
}

html::after {
  z-index: 0;
  background: linear-gradient(
    180deg,
    oklch(0.015 0.003 265 / 0.74) 0%,
    oklch(0.015 0.003 265 / var(--page-background-darkness)) 42%,
    oklch(0.015 0.003 265 / 0.82) 100%
  );
}

body {
  position: relative;
  z-index: 1;
  min-height: 100vh;
  background: transparent !important;
}

@media (max-width: 700px) {
  :root {
    --page-background-darkness: 0.7;
  }

  html::before {
    background-position: 58% center;
    filter: grayscale(1) brightness(0.4) contrast(1.18);
  }
}

@media (prefers-reduced-data: reduce) {
  html::before {
    background-image: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  html::before {
    transition: none;
  }
}