:root { color-scheme: light dark; }
body { margin: 0; padding: 16px; font: 16px/1.4 system-ui, sans-serif; background: var(--tg-theme-bg-color, Canvas); color: var(--tg-theme-text-color, CanvasText); }
h1 { font-size: 20px; margin: 0 0 12px; }
p { margin: 0 0 8px; }
.hint { color: var(--tg-theme-hint-color, GrayText); }