/* Font roles are set by the build-time manifest in Layout.astro. */
:root {
    --font-body-fallback: ui-sans-serif, system-ui, sans-serif;
    --font-cjk-fallback: system-ui, sans-serif;
    --m3e-font-mono-fallback: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
    --m3e-font-sans: var(--font-body), var(--font-cjk), var(--font-body-fallback), "Apple Color Emoji", "Segoe UI Emoji", "Noto Color Emoji";
    --font-sans: var(--m3e-font-sans);
    /* Astro Fonts owns --font-mono when a custom mono role is enabled. Keep a
       one-way alias here so the system-font fallback cannot form a cycle. */
    --m3e-font-mono-family: var(--font-mono, var(--m3e-font-mono-fallback));
}

/* Code is a separate role and must never inherit the body or CJK family. */
pre,
code,
kbd,
samp,
.expressive-code,
.expressive-code *,
.mermaid code {
    font-family: var(--m3e-font-mono-family) !important;
}
/* KaTeX font-display swap override for non-blocking formula text rendering */
@font-face { font-family: 'KaTeX_Main'; font-display: swap; }
@font-face { font-family: 'KaTeX_Math'; font-display: swap; }
@font-face { font-family: 'KaTeX_Size1'; font-display: swap; }
@font-face { font-family: 'KaTeX_Size2'; font-display: swap; }
@font-face { font-family: 'KaTeX_Size3'; font-display: swap; }
@font-face { font-family: 'KaTeX_Size4'; font-display: swap; }
@font-face { font-family: 'KaTeX_AMS'; font-display: swap; }
@font-face { font-family: 'KaTeX_Caligraphic'; font-display: swap; }
@font-face { font-family: 'KaTeX_Fraktur'; font-display: swap; }
@font-face { font-family: 'KaTeX_SansSerif'; font-display: swap; }
@font-face { font-family: 'KaTeX_Script'; font-display: swap; }
@font-face { font-family: 'KaTeX_Typewriter'; font-display: swap; }