:root{--ink:#1d1d1f;--muted:#6e6e73;--line:#d2d2d7;--soft:#f5f5f7;--blue:#0066cc;--blue2:#2996ff;--fact:#eef6ff;--infer:#f5f5f7;--idea:#f0f8f2;--warn:#fff7e8;--max:940px;--side:236px}