:root{--header-height:56px;--history-height:0px;--chrome-height:var(--header-height);--content-width:1440px;--gutter:40px;--paper:#fafbf6;--surface:#fff;--surface-glass:#ffffffb8;--surface-muted:#f3f5ed;--surface-sunken:#edf1e6;--ink:#192825;--text:#414d47;--muted:#657168;--faint:#7b857e;--line:#dce2d5;--line-soft:#f0f3eb;--line-strong:#cbd4c5;--brand-accent:#d7fa73;--brand-accent-ink:#253716;--mint:#114ee8;--mint-hover:#0c3fbe;--mint-ink:#fff;--mint-icon:#3b70f0;--brand-50:#eef3ff;--brand-100:#e1eaff;--brand-200:#c4d4ff;--brand-300:#9bb6fb;--brand-400:#6c94f4;--brand-500:#3b70f0;--brand-600:#114ee8;--brand-700:#0c3fbe;--brand-800:#123794;--brand-900:#142f70;--sky-50:#eef5ff;--sky-100:#dbe9ff;--sky-500:#5b9bff;--sky-700:#2f63c4;--lilac-50:#f4f1ff;--lilac-100:#e7e1ff;--lilac-700:#5b47b8;--amber-50:#fff5e8;--amber-100:#ffe6c2;--amber-400:#f8b44f;--amber-500:#f59e2b;--amber-700:#9a5a06;--amber-ink:#3d2300;--radius-sm:8px;--radius-md:12px;--radius-lg:16px;--radius-xl:20px;--shadow-xs:0 1px 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