:root {
  --color-primary: #1a365d;
  --color-primary-light: #2a4a7f;
  --color-primary-dark: #0f2440;
  --color-secondary: #2f855a;
  --color-secondary-light: #48b97a;
  --color-accent: #d69e2e;
  --color-accent-light: #ecc94b;
  --color-bg: #f7fafc;
  --color-bg-card: #ffffff;
  --color-bg-alt: #edf2f7;
  --color-text: #2d3748;
  --color-text-light: #718096;
  --color-text-muted: #a0aec0;
  --color-border: #e2e8f0;
  --color-border-dark: #cbd5e0;
  --color-danger: #e53e3e;
  --color-success: #38a169;
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-mono: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;
  --text-xs: 0.75rem;
  --text-sm: 0.875rem;
  --text-base: 1rem;
  --text-lg: 1.125rem;
  --text-xl: 1.25rem;
  --text-2xl: 1.5rem;
  --text-3xl: 1.875rem;
  --text-4xl: 2.25rem;
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --radius: 6px;
  --radius-lg: 10px;
  --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
  --shadow: 0 1px 3px rgba(0,0,0,0.1), 0 1px 2px rgba(0,0,0,0.06);
  --shadow-lg: 0 4px 6px rgba(0,0,0,0.07), 0 2px 4px rgba(0,0,0,0.06);
  --max-width: 1200px;
  --content-width: 720px;
}