:root{--canvas:#faf9f5;--surface-soft:#f5f0e8;--surface-card:#efe9de;--surface-strong:#e8e0d2;--surface-dark:#181715;--surface-dark-elevated:#252320;--ink:#141413;--body:#3d3d3a;--muted:#6c6a64;--muted-soft:#8e8b82;--hairline:#e6dfd8;--hairline-soft:#ebe6df;--primary:#7e44c5;--primary-active:#6a37ab;--on-primary:#fff;--on-dark:#faf9f5;--on-dark-soft:#a09d96;--success:#5db872;--error:#c64545;--shadow-soft:0 1px 3px #14141314;--shadow-doc:0 2px 16px #14141312, 0 1px 3px #1414130f;--font-serif:"Source Serif 4", Georgia, "Times New Roman", serif;--font-sans:Inter, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;--font-mono:"JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;--radius-xs:4px;--radius-sm:6px;--radius-md:8px;--radius-lg:12px;--radius-xl:16px;--radius-full:9999px;--lightningcss-light:initial;--lightningcss-dark: 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