/* Shared palette for every article template, including legacy variable names. */
html[data-theme="light"]{color-scheme:light;--bg:#f4f7fa;--bg-root:#f4f7fa;--bg-card:#fff;--bg-nav:rgba(244,247,250,.96);--bg-hover:#edf3f9;--text:#0b1a2e;--text2:#4e6279;--text3:#596e84;--accent:#173c68;--border:#d9e2ec}
html[data-theme="dark"]{color-scheme:dark;--bg:#081525;--bg-root:#081525;--bg-card:#0d2137;--bg-nav:rgba(8,21,37,.96);--bg-hover:#14375a;--text:#f8fafc;--text2:#b2c1d2;--text3:#a1b3c7;--accent:#9dc6f0;--border:#29405a}
html[data-theme]{--text-primary:var(--text);--text-secondary:var(--text2);--text-muted:var(--text3);--text-accent:var(--accent);--border-card:var(--border);--border-subtle:var(--border);--border-strong:var(--border);--r-md:8px}