/* Dark mode: soften the near-black background and pure-white text */
html[data-theme="dark"] {
    --pst-color-background: #2B2B2B;
    --pst-color-on-background: #222529;   /* cards/surfaces */
    --pst-color-surface: #26292e;         /* code blocks, sidebars */
    --pst-color-text-base: #CCCCCC;
    --pst-color-text-muted: #a0a0a0;
}