:root {
  /* Fontes */
  --font-primary: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-secondary: "Quicksand", sans-serif;
  
  /* Paleta de cores moderna */
  --color-background: #f8fafc;
  --color-surface: #ffffff;
  --color-surface-hover: #f1f5f9;
  
  --color-primary: #0ea5e9;
  --color-primary-dark: #0284c7;
  --color-primary-light: #7dd3fc;
  --color-primary-bg: #e0f2fe;
  
  --color-secondary: #10b981;
  --color-secondary-dark: #059669;
  --color-secondary-light: #6ee7b7;
  --color-secondary-bg: #d1fae5;
  
  --color-accent: #8b5cf6;
  --color-accent-dark: #7c3aed;
  
  /* Cores de texto */
  --color-text-primary: #1e293b;
  --color-text-secondary: #64748b;
  --color-text-muted: #94a3b8;
  --color-text-inverse: #ffffff;
  
  /* Cores de status */
  --color-success: #10b981;
  --color-warning: #f59e0b;
  --color-error: #ef4444;
  --color-info: #0ea5e9;
  
  /* Bordas e sombras */
  --border-radius: 8px;
  --border-radius-lg: 12px;
  --border-radius-xl: 16px;
  
  --border-color: #e2e8f0;
  --border-color-hover: #cbd5e1;
  
  --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);
  
  /* Espaçamentos */
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  
  /* Transitions */
  --transition-fast: 150ms ease-in-out;
  --transition-normal: 300ms ease-in-out;
  --transition-slow: 500ms ease-in-out;
  
  /* Breakpoints */
  --breakpoint-sm: 640px;
  --breakpoint-md: 768px;
  --breakpoint-lg: 1024px;
  --breakpoint-xl: 1280px;
}