:root{--bg:#f6f7f9;--panel:#fff;--ink:#14171d;--muted:#6b7280;--line:#e5e7eb;--accent:#111827;--success:#0f7b4a;--danger:#b42318;--sidebar:#0d1117;--sidebarText:#c8d1dc;--radius:16px;--shadow:0 8px 30px rgba(16,24,40,.07)}
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