/* Dark theme for this series. Pages link this after their own <style>,
   so in dark mode these tokens win; light mode is untouched.
   Canvas, d3 and KaTeX colours are paired in theme.js (Theme.c). */
@media (prefers-color-scheme: dark) {
  :root {
    color-scheme: dark;
    --text: #e4e4ec;
    --text-2: #a4a4ba;
    --accent: #6f9cf5;
    --accent-light: #1f2c4d;
    --bg: #14151b;
    --fig-bg: #1c1d25;
    --border: #33354a;
    --c-conserved: #2cb8d8;
    --c-point-group: #a07cf5;
  }
  a:hover { color: #9dbbff; }
}