:root {
  --color-primary:#3F5BF6;--color-primary-hover:#3149D4;--color-primary-soft:#EDF0FE;--color-primary-contrast:#FFFFFF;
  --color-bg:#F6F7FB;--color-surface:#FFFFFF;--color-surface-secondary:#F0F1F6;--color-surface-raised:#FFFFFF;
  --color-text:#161A26;--color-text-muted:#6A7186;--color-text-inverse:#FFFFFF;
  --color-border:#E3E5EE;--color-border-strong:#C9CDDB;--color-danger:#D6455D;--color-danger-soft:#FCEBEE;--color-success:#1E9E6A;--color-success-soft:#E7F6EF;--color-warning:#C7821B;--color-warning-soft:#FDF4E3;--color-info:#3F5BF6;--color-focus-ring:#8AA0FA;
  --font-sans:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Noto Sans",Ubuntu,"Droid Sans","Helvetica Neue",Arial,sans-serif;--font-mono:ui-monospace,SFMono-Regular,"SF Mono",Menlo,monospace;
  --font-size-xs:.75rem;--font-size-sm:.8125rem;--font-size-md:.875rem;--font-size-lg:1rem;--font-size-xl:1.25rem;--font-size-2xl:1.5rem;--font-weight-regular:400;--font-weight-medium:500;--font-weight-semibold:600;--line-height-tight:1.25;--line-height-body:1.55;
  --space-1:.25rem;--space-2:.5rem;--space-3:.75rem;--space-4:1rem;--space-5:1.5rem;--space-6:2rem;--space-7:3rem;--space-8:4rem;
  --radius-sm:6px;--radius-md:10px;--radius-lg:14px;--radius-pill:999px;
  --shadow-sm:0 1px 2px rgba(22,26,38,.06),0 1px 3px rgba(22,26,38,.04);--shadow-md:0 4px 12px rgba(22,26,38,.08);--shadow-lg:0 16px 40px rgba(22,26,38,.14);
  --sidebar-width:280px;--header-height:56px;--content-max:1240px;--z-dropdown:100;--z-drawer:200;--z-modal:300;--z-toast:400;--transition-fast:120ms ease;--transition-base:200ms ease;
}