:root {
  /* Color scheme - Desert Dusk */
  --color-primary: #FF6B35; /* clay orange */
  --color-primary-light: #FF8B5E;
  --color-primary-dark: #E55A2A;
  
  --color-secondary: #3E92CC; /* sky blue */
  --color-secondary-light: #5BA5D9;
  --color-secondary-dark: #2E7BB8;
  
  --color-accent: var(--color-secondary);
  --color-accent-light: var(--color-secondary-light);
  --color-accent-dark: var(--color-secondary-dark);
  
  /* Text colors */
  --color-text: #2C2C2C; /* dark charcoal gray */
  --color-text-light: #4A4A4A;
  --color-text-lighter: #6B6B6B;
  --color-text-inverse: #FFFFFF;
  
  /* Background colors */
  --color-background: #F8F4F0; /* warm off-white */
  --color-background-alt: #F0EAE4;
  --color-background-dark: #E5E0DB;
  --color-surface: #FFFFFF;
  
  /* Border colors */
  --color-border: #D6C8BD; /* muted sand */
  --color-border-dark: #C4B5A9;
  
  /* Semantic colors */
  --color-success: #2E7D32;
  --color-success-light: #4CAF50;
  --color-success-dark: #1B5E20;
  
  --color-error: #D32F2F;
  --color-error-light: #EF5350;
  --color-error-dark: #B71C1C;
  
  --color-warning: #F57C00;
  --color-warning-light: #FFA726;
  --color-warning-dark: #E65100;
  
  --color-info: #1976D2;
  --color-info-light: #42A5F5;
  --color-info-dark: #1565C0;

  /* Color scheme - modern & playful */
  --color-orange: #e55b2c;
  --color-orange-light: #ff7f50;
  --color-orange-dark: #d44d1f;
  
  --color-beige: #f6e6d3;
  --color-beige-light: #faf2ea;
  --color-beige-dark: #e6d1b8;
  
  --color-slate: #3a3d42;
  --color-slate-light: #5c616a;
  --color-slate-dark: #2a2c30;
  
  --color-teal: #4b8a7f;
  --color-teal-light: #6baa9f;
  --color-teal-dark: #3b6a60;
  
  --color-gold: #e3a45b;
  --color-gold-light: #ffc87c;
  --color-gold-dark: #c68940;
  
  --color-navy: #40577c;
  --color-navy-light: #5b7299;
  --color-navy-dark: #304060;
  
  --color-sky: #48cae4;
  --color-sky-light: #90e0ef;
  --color-sky-dark: #00b4d8;

  /* Font weights */
  --font-weight-normal: 400;
  --font-weight-medium: 500;
  --font-weight-semibold: 600;
  --font-weight-bold: 700;
  --font-weight-extrabold: 800;

  /* Line heights */
  --line-height-none: 1;
  --line-height-tight: 1.25;
  --line-height-snug: 1.375;
  --line-height-normal: 1.5;
  --line-height-relaxed: 1.625;
  --line-height-loose: 2;

  /* Spacing */
  --spacing-0: 0;
  --spacing-1: 0.25rem;
  --spacing-2: 0.5rem;
  --spacing-3: 0.75rem;
  --spacing-4: 1rem;
  --spacing-5: 1.25rem;
  --spacing-6: 1.5rem;
  --spacing-8: 2rem;
  --spacing-10: 2.5rem;
  --spacing-12: 3rem;
  --spacing-16: 4rem;
  --spacing-20: 5rem;
  --spacing-24: 6rem;
  --spacing-32: 8rem;

  /* Borders */
  --border-radius-sm: 4px;
  --border-radius-md: 8px;
  --border-radius-lg: 12px;
  --border-radius-xl: 16px;
  --border-radius-2xl: 24px;
  --border-radius-full: 9999px;
  
  --border-width-none: 0px;
  --border-width-thin: 1px;
  --border-width-thick: 2px;
  --border-width-cartoon: 3px;

  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
  --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
  --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
  
  --shadow-cartoon: 5px 5px 0px var(--color-slate);
  --shadow-cartoon-hover: 7px 7px 0px var(--color-slate);
  --shadow-cartoon-sm: 3px 3px 0px var(--color-slate);
  --shadow-cartoon-lg: 8px 8px 0px var(--color-slate);
  
  /* Transitions */
  --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 200ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 300ms cubic-bezier(0.4, 0, 0.2, 1);
  
  /* Z-index layers */
  --z-negative: -1;
  --z-elevate: 1;
  --z-sticky: 100;
  --z-drawer: 200;
  --z-modal: 300;
  --z-popover: 400;
  --z-toast: 500;

  /* Layout */
  --header-height: 4rem;
  --footer-height: auto;
  --sidebar-width: 280px;
  --container-width: 1280px;
  --container-padding: var(--spacing-4);

  /* Grid */
  --grid-gap: var(--spacing-6);
  --grid-gap-lg: var(--spacing-8);
}