/**
 * Design System - Voxel Digital 2025
 * Gerado por: Claude (Cursor AI)
 * 
 * Sistema de variáveis CSS moderno e escalável
 */

:root {
  /* ===== CORES PRIMÁRIAS ===== */
  /* Baseado na identidade Voxel Digital */
  --color-primary: #ED1C24;        /* Voxel Red */
  --color-primary-dark: #C01119;
  --color-primary-light: #F04E54;
  
  --color-secondary: #1A1A1A;      /* Dark Gray */
  --color-secondary-dark: #000000;
  --color-secondary-light: #4A4A4A;
  
  --color-accent: #ED1C24;         /* Voxel Red (accent) */
  --color-accent-dark: #C01119;
  --color-accent-light: #F04E54;
  
  /* ===== CORES NEUTRAS ===== */
  --color-dark: #1a1a1a;
  --color-darker: #0d0d0d;
  --color-light: #ffffff;
  --color-lighter: #fafafa;
  
  /* Escala de cinzas */
  --color-gray-50: #f9fafb;
  --color-gray-100: #f3f4f6;
  --color-gray-200: #e5e7eb;
  --color-gray-300: #d1d5db;
  --color-gray-400: #9ca3af;
  --color-gray-500: #6b7280;
  --color-gray-600: #4b5563;
  --color-gray-700: #374151;
  --color-gray-800: #1f2937;
  --color-gray-900: #111827;
  
  /* ===== CORES SEMÂNTICAS ===== */
  --color-success: #10b981;
  --color-success-light: #d1fae5;
  --color-warning: #f59e0b;
  --color-warning-light: #fef3c7;
  --color-error: #ef4444;
  --color-error-light: #fee2e2;
  --color-info: #3b82f6;
  --color-info-light: #dbeafe;
  
  /* ===== TIPOGRAFIA ===== */
  --font-primary: 'Montserrat', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  --font-secondary: 'Montserrat', sans-serif;
  
  /* Font Sizes - Escala modular (1.25) */
  --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 */
  --font-size-6xl: 3.75rem;     /* 60px */
  --font-size-7xl: 4.5rem;      /* 72px */
  
  /* Font Weights */
  --font-weight-light: 300;
  --font-weight-normal: 400;
  --font-weight-medium: 500;
  --font-weight-semibold: 600;
  --font-weight-bold: 700;
  --font-weight-extrabold: 800;
  --font-weight-black: 900;
  
  /* Line Heights */
  --line-height-tight: 1.25;
  --line-height-snug: 1.375;
  --line-height-normal: 1.5;
  --line-height-relaxed: 1.625;
  --line-height-loose: 2;
  
  /* Letter Spacing */
  --letter-spacing-tighter: -0.05em;
  --letter-spacing-tight: -0.025em;
  --letter-spacing-normal: 0;
  --letter-spacing-wide: 0.025em;
  --letter-spacing-wider: 0.05em;
  --letter-spacing-widest: 0.1em;
  
  /* ===== ESPAÇAMENTO ===== */
  /* Sistema baseado em 8px */
  --space-0: 0;
  --space-1: 0.25rem;   /* 4px */
  --space-2: 0.5rem;    /* 8px */
  --space-3: 0.75rem;   /* 12px */
  --space-4: 1rem;      /* 16px */
  --space-5: 1.25rem;   /* 20px */
  --space-6: 1.5rem;    /* 24px */
  --space-7: 1.75rem;   /* 28px */
  --space-8: 2rem;      /* 32px */
  --space-10: 2.5rem;   /* 40px */
  --space-12: 3rem;     /* 48px */
  --space-14: 3.5rem;   /* 56px */
  --space-16: 4rem;     /* 64px */
  --space-20: 5rem;     /* 80px */
  --space-24: 6rem;     /* 96px */
  --space-28: 7rem;     /* 112px */
  --space-32: 8rem;     /* 128px */
  
  /* Aliases semânticos */
  --space-xs: var(--space-2);    /* 8px */
  --space-sm: var(--space-4);    /* 16px */
  --space-md: var(--space-6);    /* 24px */
  --space-lg: var(--space-8);    /* 32px */
  --space-xl: var(--space-12);   /* 48px */
  --space-2xl: var(--space-16);  /* 64px */
  --space-3xl: var(--space-24);  /* 96px */
  
  /* ===== TAMANHOS ===== */
  --container-xs: 480px;
  --container-sm: 640px;
  --container-md: 768px;
  --container-lg: 1024px;
  --container-xl: 1280px;
  --container-2xl: 1536px;
  
  /* ===== BORDAS ===== */
  --border-radius-none: 0;
  --border-radius-sm: 0.125rem;    /* 2px */
  --border-radius-base: 0.25rem;   /* 4px */
  --border-radius-md: 0.375rem;    /* 6px */
  --border-radius-lg: 0.5rem;      /* 8px */
  --border-radius-xl: 0.75rem;     /* 12px */
  --border-radius-2xl: 1rem;       /* 16px */
  --border-radius-3xl: 1.5rem;     /* 24px */
  --border-radius-full: 9999px;
  
  --border-width-thin: 1px;
  --border-width-base: 2px;
  --border-width-thick: 4px;
  
  /* ===== SOMBRAS ===== */
  --shadow-xs: 0 1px 2px 0 rgb(0 0 0 / 0.05);
  --shadow-sm: 0 1px 3px 0 rgb(0 0 0 / 0.1), 0 1px 2px -1px rgb(0 0 0 / 0.1);
  --shadow-base: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
  --shadow-md: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
  --shadow-lg: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
  --shadow-xl: 0 25px 50px -12px rgb(0 0 0 / 0.25);
  --shadow-2xl: 0 25px 50px -12px rgb(0 0 0 / 0.5);
  --shadow-inner: inset 0 2px 4px 0 rgb(0 0 0 / 0.05);
  
  /* ===== TRANSIÇÕES ===== */
  --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-base: 250ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 350ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slower: 500ms cubic-bezier(0.4, 0, 0.2, 1);
  
  /* Easing functions */
  --ease-in: cubic-bezier(0.4, 0, 1, 1);
  --ease-out: cubic-bezier(0, 0, 0.2, 1);
  --ease-in-out: cubic-bezier(0.4, 0, 0.2, 1);
  
  /* ===== Z-INDEX ===== */
  --z-index-dropdown: 1000;
  --z-index-sticky: 1020;
  --z-index-fixed: 1030;
  --z-index-modal-backdrop: 1040;
  --z-index-modal: 1050;
  --z-index-popover: 1060;
  --z-index-tooltip: 1070;
  
  /* ===== BREAKPOINTS ===== */
  /* Usados em media queries - não acessíveis via CSS diretamente */
  /* Documentados para referência */
  /* 
    --breakpoint-xs: 0px;
    --breakpoint-sm: 640px;
    --breakpoint-md: 768px;
    --breakpoint-lg: 1024px;
    --breakpoint-xl: 1280px;
    --breakpoint-2xl: 1536px;
  */
  
  /* ===== OPACIDADE ===== */
  --opacity-0: 0;
  --opacity-5: 0.05;
  --opacity-10: 0.1;
  --opacity-20: 0.2;
  --opacity-25: 0.25;
  --opacity-30: 0.3;
  --opacity-40: 0.4;
  --opacity-50: 0.5;
  --opacity-60: 0.6;
  --opacity-70: 0.7;
  --opacity-75: 0.75;
  --opacity-80: 0.8;
  --opacity-90: 0.9;
  --opacity-95: 0.95;
  --opacity-100: 1;
}

/* ===== DARK MODE (Future) ===== */
@media (prefers-color-scheme: dark) {
  :root {
    /* Inverter cores se necessário */
    /* --color-dark: #ffffff; */
    /* --color-light: #1a1a1a; */
  }
}

/* ===== RESPONSIVE FONT SIZES ===== */
/* Ajuste fluido de tipografia */
@media (max-width: 767px) {
  :root {
    --font-size-4xl: 2rem;      /* 32px em mobile */
    --font-size-5xl: 2.5rem;    /* 40px em mobile */
    --font-size-6xl: 3rem;      /* 48px em mobile */
  }
}