:root,[data-design-tier=standard]{--color-bg: #f8fafc;--color-surface: #ffffff;--color-border: #e2e8f0;--color-text: #0f172a;--color-text-muted: #64748b;--color-accent: #0ea5e9;--color-accent-hover: #0284c7;--color-success: #16a34a;--color-danger: #dc2626;--radius-sm: 4px;--radius-md: 8px;--shadow-sm: 0 1px 2px rgba(15, 23, 42, .06)}