/* Base: show light, hide dark */
.theme-img--light { display: inline; }
.theme-img--dark  { display: none; }

/* Dark explicitly */
html[data-scheme="dark"] .theme-img--light { display: none; }
html[data-scheme="dark"] .theme-img--dark  { display: inline; }

/* Auto mode: follow OS */
@media (prefers-color-scheme: dark) {
    html[data-scheme="auto"] .theme-img--light { display: none; }
    html[data-scheme="auto"] .theme-img--dark  { display: inline; }
}