:root{--bg:#fafaf8;--bg-card:#fff;--bg-card-border:#eee;--text:#2a2a2a;--text-secondary:#888;--text-tertiary:#aaa;--text-heading:#1a1a1a;--text-muted:#555;--border:#ddd;--border-hover:#bbb;--btn-bg:#2a2a2a;--btn-text:#fafaf8;--btn-hover:#444;--input-focus:#2a2a2a;--error-bg:#fef2f2;--error-text:#c53030;--progress-track:#f0f0ef;--checkbox-border:#ccc;--streak-empty:#f0f0ef;--streak-none:#e0e0de;color-scheme:light dark;--flow-accent:#7c5cbf;--flow-accent-dark:#a88ce0;--site-max-width:900px}html.dark{--bg:#121212;--bg-card:#1e1e1e;--bg-card-border:#2a2a2a;--text:#e0e0e0;--text-secondary:#999;--text-tertiary:#777;--text-heading:#f0f0f0;--text-muted:#bbb;--border:#333;--border-hover:#555;--btn-bg:#e0e0e0;--btn-text:#121212;--btn-hover:#ccc;--input-focus:#e0e0e0;--error-bg:#2d1515;--error-text:#f87171;--progress-track:#2a2a2a;--checkbox-border:#555;--streak-empty:#2a2a2a;--streak-none:#333}*{box-sizing:border-box;margin:0;padding:0}body{font-family:IBM Plex Mono,SF Mono,Fira 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