:root {
  /* --- Primary: Nordic Green --- */
  --color-primary: #24504A;
  --color-primary-light: #4E756C;
  --color-primary-dark: #1A3D38;
  --color-primary-surface: #ECF0EA;
  --color-primary-hover: #1A3D38;

  /* --- Backgrounds --- */
  --color-bg: #F4F6F4;
  --color-surface: rgba(244, 246, 244, 0.92);
  --color-surface-hover: rgba(244, 246, 244, 0.98);
  --color-surface-dim: #ECF0EA;

  /* --- Text --- */
  --color-text: #2A2F2C;
  --color-text-secondary: #5F6359;
  --color-text-tertiary: #8C9B94;
  --color-text-on-primary: #F4F6F4;

  /* --- Semantic --- */
  --color-success: #5A8A62;
  --color-error: #B85450;
  --color-warning: #C2873A;
  --color-info: #5B7FA5;

  /* --- Border / Divider --- */
  --color-border: rgba(140, 155, 148, 0.15);
  --color-divider: rgba(140, 155, 148, 0.10);

  /* --- Spacing scale (4px base) --- */
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 20px;
  --space-6: 24px;
  --space-8: 32px;
  --space-10: 40px;
  --space-12: 48px;
  --space-16: 64px;

  /* --- Typography --- */
  --font-family: 'Geist', system-ui, -apple-system, sans-serif;
  --font-size-xs: 0.75rem;
  --font-size-sm: 0.875rem;
  --font-size-base: 1rem;
  --font-size-lg: 1.125rem;
  --font-size-xl: 1.25rem;
  --font-size-2xl: 1.5rem;
  --font-size-3xl: 1.875rem;

  --font-weight-light: 300;
  --font-weight-normal: 400;
  --font-weight-medium: 500;
  --font-weight-semibold: 600;
  --font-weight-bold: 700;

  --line-height-tight: 1.25;
  --line-height-normal: 1.5;
  --line-height-relaxed: 1.75;

  /* --- Radius --- */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-2xl: 24px;
  --radius-full: 9999px;

  /* --- Shadows --- */
  --shadow-sm: 0 1px 3px rgba(42, 47, 44, 0.04), 0 1px 2px rgba(0, 0, 0, 0.03);
  --shadow-md: 0 4px 12px rgba(42, 47, 44, 0.06), 0 2px 4px rgba(0, 0, 0, 0.03);
  --shadow-lg: 0 8px 24px rgba(42, 47, 44, 0.08), 0 4px 8px rgba(0, 0, 0, 0.04);
  --shadow-xl: 0 16px 40px rgba(42, 47, 44, 0.10), 0 8px 16px rgba(0, 0, 0, 0.05);

  /* --- Transitions --- */
  --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 250ms cubic-bezier(0.4, 0, 0.2, 1);
  /* --- Z-index layers --- */
  --z-header: 100;
  --z-toast: 300;
}