:root {
  /* Color System */
  --color-primary-50: #E6F0F9;
  --color-primary-100: #C2D9F0;
  --color-primary-200: #9BC2E6;
  --color-primary-300: #73ABDC;
  --color-primary-400: #5698D3;
  --color-primary-500: #3B85CA;
  --color-primary-600: #1D3557;
  --color-primary-700: #142639;
  --color-primary-800: #0D1924;
  --color-primary-900: #060C12;

  --color-secondary-50: #E6F0F5;
  --color-secondary-100: #C2DAE6;
  --color-secondary-200: #9BC2D6;
  --color-secondary-300: #73A9C6;
  --color-secondary-400: #5695BA;
  --color-secondary-500: #457B9D;
  --color-secondary-600: #3A6985;
  --color-secondary-700: #2E546A;
  --color-secondary-800: #233F50;
  --color-secondary-900: #172A35;

  --color-accent-50: #FDE9EB;
  --color-accent-100: #FAC8CD;
  --color-accent-200: #F7A4AD;
  --color-accent-300: #F4808E;
  --color-accent-400: #F05D6F;
  --color-accent-500: #E63946;
  --color-accent-600: #C1313C;
  --color-accent-700: #9C2730;
  --color-accent-800: #771D25;
  --color-accent-900: #521419;

  --color-neutral-50: #F1FAEE;
  --color-neutral-100: #E8F1E4;
  --color-neutral-200: #D9E4D4;
  --color-neutral-300: #CAD7C3;
  --color-neutral-400: #BBCAB3;
  --color-neutral-500: #ACBDA2;
  --color-neutral-600: #8D9C85;
  --color-neutral-700: #6E7B68;
  --color-neutral-800: #505A4C;
  --color-neutral-900: #313833;

  --color-success-50: #E8F5E9;
  --color-success-500: #4CAF50;
  --color-success-700: #2E7D32;

  --color-warning-50: #FFF8E1;
  --color-warning-500: #FFC107;
  --color-warning-700: #FFA000;

  --color-error-50: #FFEBEE;
  --color-error-500: #F44336;
  --color-error-700: #C62828;

  /* Typography */
  --font-family-base: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol";
  --font-weight-light: 300;
  --font-weight-regular: 400;
  --font-weight-medium: 500;
  --font-weight-bold: 700;
  
  --font-size-xs: 0.75rem;    /* 12px */
  --font-size-sm: 0.875rem;   /* 14px */
  --font-size-base: 1rem;     /* 16px */
  --font-size-lg: 1.125rem;   /* 18px */
  --font-size-xl: 1.25rem;    /* 20px */
  --font-size-2xl: 1.5rem;    /* 24px */
  --font-size-3xl: 1.875rem;  /* 30px */
  --font-size-4xl: 2.25rem;   /* 36px */
  --font-size-5xl: 3rem;      /* 48px */
  
  --line-height-tight: 1.2;   /* Headings */
  --line-height-base: 1.5;    /* Body text */
  --line-height-loose: 1.75;  /* Large paragraphs */

  /* Spacing - 8px scale */
  --spacing-0: 0;
  --spacing-1: 0.25rem;     /* 4px */
  --spacing-2: 0.5rem;      /* 8px */
  --spacing-3: 0.75rem;     /* 12px */
  --spacing-4: 1rem;        /* 16px */
  --spacing-5: 1.25rem;     /* 20px */
  --spacing-6: 1.5rem;      /* 24px */
  --spacing-8: 2rem;        /* 32px */
  --spacing-10: 2.5rem;     /* 40px */
  --spacing-12: 3rem;       /* 48px */
  --spacing-16: 4rem;       /* 64px */
  --spacing-20: 5rem;       /* 80px */
  --spacing-24: 6rem;       /* 96px */
  --spacing-32: 8rem;       /* 128px */

  /* Borders */
  --border-radius-sm: 0.25rem;   /* 4px */
  --border-radius-md: 0.5rem;    /* 8px */
  --border-radius-lg: 0.75rem;   /* 12px */
  --border-radius-xl: 1rem;      /* 16px */
  --border-radius-full: 9999px;  

  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);

  /* Transitions */
  --transition-fast: 150ms;
  --transition-normal: 300ms;
  --transition-slow: 500ms;
  
  /* Z-index */
  --z-below: -1;
  --z-normal: 1;
  --z-above: 10;
  --z-modal: 100;
  --z-toast: 1000;
  --z-tooltip: 9999;
  
  /* Container widths */
  --container-max-width: 1280px;
  --container-padding: var(--spacing-4);
  
  /* Table Status Colors */
  --table-available: var(--color-success-500);
  --table-occupied: var(--color-error-500);
  --table-reserved: var(--color-warning-500);
  --table-cleaning: var(--color-secondary-500);
}