:root {
  --color-primary: #111111;
  --color-primary-text: #FFFFFF;
  --color-background: #FFFFFF;
  --color-surface: #F7F7F8;
  --color-border: #E5E5E7;
  --color-text: #1A1A1A;
  --color-text-muted: #6B6B70;
  --color-accent: #2563EB;
  --color-success: #16A34A;
  --color-warning: #D97706;
  --color-danger: #DC2626;
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --shadow-card: 0 1px 2px rgba(0,0,0,0.04), 0 1px 8px rgba(0,0,0,0.03);
  --font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}