/* SCG Base Theme Variables */

:root {
  /* Typography Scale */
  --font-size-xs: 0.75rem;
  --font-size-sm: 0.875rem;
  --font-size-base: 1rem;
  --font-size-lg: 1.0625rem;
  --font-size-xl: 1.125rem;
  --font-size-2xl: 1.25rem;
  --font-size-3xl: 1.5rem;
  --font-size-4xl: 1.875rem;
  --font-size-5xl: 2.25rem;

  /* Spacing Scale - Tighter */
  --spacing-xs: 0.25rem;
  --spacing-sm: 0.5rem;
  --spacing-md: 0.75rem;
  --spacing-lg: 1rem;
  --spacing-xl: 1.5rem;
  --spacing-2xl: 2rem;
  --spacing-3xl: 2.5rem;
  --spacing-4xl: 3rem;

  /* Transitions */
  --transition-fast: 0.15s ease;
  --transition-base: 0.2s ease;
  --transition-slow: 0.3s ease;

  /* Z-Index Scale */
  --z-dropdown: 100;
  --z-sticky: 200;
  --z-modal: 300;
  --z-tooltip: 400;

  /* Default shadows */
  --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-md: 0 4px 6px rgba(0,0,0,0.07);
  --shadow-lg: 0 8px 16px rgba(0,0,0,0.08);
  --shadow-xl: 0 12px 24px rgba(0,0,0,0.1);
}