:root {
  /* Colors - Surface & Background */
  --color-background: #F0FDFA;
  --color-surface: #FFFFFF;
  --color-surface-elevated: #F8FAFC;
  --color-surface-sunken: #E6F4F1;
  
  /* Colors - Foreground / Typography */
  --color-foreground: #134E4A;
  --color-foreground-strong: #042F2E;
  --color-foreground-muted: #335C58;
  --color-foreground-subtle: #4A7A75;
  
  /* Brand / Primary */
  --color-primary: #0D9488;
  --color-primary-hover: #0F766E;
  --color-primary-active: #115E59;
  --color-on-primary: #FFFFFF;
  
  /* Secondary / Accent */
  --color-secondary: #0891B2;
  --color-secondary-hover: #0E7490;
  --color-on-secondary: #FFFFFF;
  --color-accent: #14B8A6;
  --color-accent-subtle: #CCFBF1;
  --color-on-accent: #042F2E;

  /* Borders & Dividers */
  --color-border: #CCFBF1;
  --color-border-strong: #99F6E4;
  --color-border-focus: #0D9488;
  --color-divider: #E2E8F0;

  /* Status Colors */
  --color-success: #15803D;
  --color-success-bg: #DCFCE7;
  --color-success-border: #86EFAC;
  
  --color-warning: #B45309;
  --color-warning-bg: #FEF3C7;
  --color-warning-border: #FDE68A;
  
  --color-destructive: #B91C1C;
  --color-destructive-bg: #FEE2E2;
  --color-destructive-border: #FCA5A5;

  --color-badge-api-bg: #DCFCE7;
  --color-badge-api-text: #166534;
  --color-badge-crosschecked-bg: #E0F2FE;
  --color-badge-crosschecked-text: #0369A1;
  --color-badge-selfconsistency-bg: #FEF3C7;
  --color-badge-selfconsistency-text: #92400E;

  /* Focus Ring & Overlay */
  --color-ring: #0D9488;
  --focus-ring: 0 0 0 3px rgba(13, 148, 136, 0.35);
  --color-backdrop: rgba(4, 47, 46, 0.45);

  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgba(19, 78, 74, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(19, 78, 74, 0.08), 0 2px 4px -2px rgba(19, 78, 74, 0.05);
  --shadow-lg: 0 10px 15px -3px rgba(19, 78, 74, 0.1), 0 4px 6px -4px rgba(19, 78, 74, 0.05);

  /* Typography */
  --font-family-sans: 'Figtree', system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-family-mono: 'JetBrains Mono', ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;

  --font-size-xs: 12px;
  --font-size-sm: 14px;
  --font-size-base: 16px;
  --font-size-md: 18px;
  --font-size-lg: 20px;
  --font-size-xl: 24px;
  --font-size-2xl: 30px;
  --font-size-3xl: 36px;

  --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: 1.625;

  /* Spacing */
  --space-2xs: 4px;
  --space-xs: 8px;
  --space-sm: 12px;
  --space-md: 16px;
  --space-lg: 20px;
  --space-xl: 24px;
  --space-2xl: 32px;
  --space-3xl: 48px;

  /* Border Radii */
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 14px;
  --radius-xl: 20px;
  --radius-full: 9999px;

  /* Touch Targets & Dimensions */
  --min-touch-target: 44px;
  --input-height: 44px;
  --button-height: 44px;
  --max-content-width: 1200px;
}