:root {
  color-scheme: dark;
  font-family: system-ui, sans-serif;
  --background: oklch(12% 0.016 75);
  --foreground: oklch(94% 0.026 88);
  --surface: oklch(25% 0.039 65);
  --accent: oklch(79% 0.14 78);
  --shadow-color: oklch(0% 0 none);
  --page-shadow: color-mix(in oklch, var(--shadow-color) 53%, transparent);
  background: var(--background);
  color: var(--foreground);
}

body {
  margin: 0;
  min-height: 100dvh;
  background: radial-gradient(circle at top, var(--surface), var(--background) 52rem);
}

main {
  width: min(70rem, calc(100% - 2rem));
  margin-inline: auto;
  padding-block: 3rem;
}

a {
  color: var(--accent);
}

li {
  margin-block: 1rem;
}

.pdf {
  margin-inline-start: 1rem;
  font-size: 0.9em;
}

.specimen {
  width: min(70rem, calc(100% - 2rem));
}

.page {
  display: block;
  margin-block: 2rem;
  margin-inline: auto;
  max-width: 100%;
  width: fit-content;
  box-shadow: 0 1rem 3rem var(--page-shadow);
}

.page img {
  display: block;
  max-width: 100%;
  height: auto;
  background: white;
}