:root{--grn-bg:#f7f8fa;--grn-surface:#ffffff;--grn-border:#e2e5eb;--grn-text-primary:#1a1d24;--grn-text-secondary:#5b6270;--grn-primary:#2952e3;--grn-primary-hover:#1f3fc0;--grn-primary-contrast:#ffffff;--grn-success:#1c9c6b;--grn-warning:#d98c1f;--grn-danger:#d13b3b;--grn-font-family:"Inter",system-ui,-apple-system,sans-serif;--grn-sidebar-width:260px;--grn-topbar-height:64px;--grn-radius:10px;--grn-shadow-sm:0 1px 2px rgba(16,24,40,0.06)}