:root{--color-primary: #0052cc;--color-primary-hover: #0047b3;--color-secondary: #6554c0;--color-success: #36b37e;--color-warning: #ffab00;--color-error: #ff5630;--color-info: #00b8d9;--color-bg-app: #f4f5f7;--color-bg-panel: #ffffff;--color-bg-hover: #ebecf0;--color-bg-selected: #e6effc;--color-text-main: #172b4d;--color-text-sub: #5e6c84;--color-text-muted: #97a0af;--color-border: #dfe1e6;--spacing-xs: 4px;--spacing-sm: 8px;--spacing-md: 16px;--spacing-lg: 24px;--spacing-xl: 32px;--font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu, Cantarell, "Open Sans", "Helvetica Neue", sans-serif;--font-size-sm: 12px;--font-size-md: 14px;--font-size-lg: 16px;--font-size-xl: 20px;--shadow-sm: 0 1px 2px rgba(9, 30, 66, .25);--shadow-md: 0 4px 8px -2px rgba(9, 30, 66, .25), 0 0 1px rgba(9, 30, 66, .31);--shadow-lg: 0 8px 16px -4px rgba(9, 30, 66, .25), 0 0 1px rgba(9, 30, 66, .31);--radius-sm: 3px;--radius-md: 6px;--radius-lg: 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