:root{--color-ink:#171717;--color-body:#4d4d4d;--color-muted:#737373;--color-line:#ebebeb;--color-line-strong:#dedede;--color-canvas:#fafafa;--color-surface:#fff;--color-focus:#171717;--color-error:#c91919;--color-warning:#8a5a00;--color-success:#2f7d3d;--radius-control:6px;--radius-surface:12px;--space-1:4px;--space-2:8px;--space-3:12px;--space-4:16px;--space-5:20px;--space-6:24px;--control-height:36px;--button-height:32px;--label-control-gap:6px;--field-gap:16px;--font-ui:Geist, Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;--font-mono:"Geist Mono", "SFMono-Regular", Consolas, "Liberation Mono", 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