index.html, profiler.html, and every explainer page run:
const saved = localStorage.getItem('fc-theme') || 'light';A first-time visitor with a dark-mode OS/browser preference still gets the light theme by default until they manually toggle it.
Request: fall back to window.matchMedia('(prefers-color-scheme: dark)').matches ? 'dark' : 'light' instead of a hardcoded 'light' default, only when nothing is saved in localStorage yet (an explicit prior choice should still win).
index.html,profiler.html, and every explainer page run:A first-time visitor with a dark-mode OS/browser preference still gets the light theme by default until they manually toggle it.
Request: fall back to
window.matchMedia('(prefers-color-scheme: dark)').matches ? 'dark' : 'light'instead of a hardcoded'light'default, only when nothing is saved inlocalStorageyet (an explicit prior choice should still win).