:root{--bg-desktop:#000;--bg-window:#040609;--bg-titlebar:#0f172a;--color-green:#22c55e;--color-blue:#38bdf8;--color-purple:#a78bfa;--color-yellow:#facc15;--color-red:#ef4444;--color-white:#f8fafc;--color-muted:#475569;--font-mono:"Fira Code", monospace;--font-sans:-apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, 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