:root{--bg:#fff;--surface:#fff;--surface-alt:#fafafa;--text:#111;--text-muted:#555;--text-faint:#767676;--border:#ddd;--border-light:#e8e8e8;--border-strong:#ccc;--accent:#1a4d8f;--accent-hover:#0d2f5a;--nav-bg:#111;--nav-text:#ccc;--nav-active:#fff;--code-bg:#f4f4f4;--quote-border:#1a4d8f;--shadow:0 1px 2px #0000000f;--font-body:Verdana, Geneva, Tahoma, sans-serif;--font-ui:Verdana, Geneva, Tahoma, sans-serif;--font-mono:ui-monospace, SFMono-Regular, Menlo, Consolas, monospace}[data-theme=dark]{--bg:#1a1a1a;--surface:#1a1a1a;--surface-alt:#222;--text:#e5e5e5;--text-muted:#9a9a9a;--text-faint:#888;--border:#2e2e2e;--border-light:#262626;--border-strong:#3a3a3a;--accent:#6aa0ff;--accent-hover:#9bc1ff;--nav-bg:#000;--nav-text:#999;--nav-active:#fff;--code-bg:#252525;--quote-border:#6aa0ff;--shadow:none}@media 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