/**
 * CSS Variables - Design System
 * Cores, espaçamentos e variáveis globais
 */

:root {
  /* Cores principais - LEI Standards */
  --lei-blue: #130f26;        /* Azul primário da marca - CTAs, destaques */
  --lei-yellow: #fdcd07;      /* Amarelo - mantido para compatibilidade */
  --lei-green: #22c55e;       /* Verde - sucesso, hover states */
  
  /* Compatibilidade com nomes antigos */
  --color-primary: var(--lei-yellow);
  --color-primary-hover: #e6b906;
  --color-primary-dark: #0a0815;
  --color-primary-light: #1f1a3d;
  
  --color-secondary: var(--lei-green);
  --color-secondary-dark: #2E7D32;
  --color-secondary-light: #81C784;
  
  /* Cores de fundo - Azul da marca (mais escuro, estilo premium) */
  --color-bg-primary: #020617;        /* Azul muito escuro - fundo principal (estilo premium) */
  --color-bg-secondary: #050814;      /* Azul escuro - secundário */
  --color-bg-tertiary: #0d1525;       /* Azul médio-escuro */
  --color-bg-card: #0f1729;          /* Azul para cards */
  --color-bg-card-hover: #1a1f2e;     /* Azul mais claro no hover */
  
  /* Cores de texto */
  --color-text-primary: #ffffff;
  --color-text-secondary: #b3b3b3;
  --color-text-tertiary: #808080;
  --color-text-inverse: #000000;
  
  /* Cores de estado - Expandidas */
  --color-success: #4CAF50;
  --color-success-light: #81C784;
  --color-success-dark: #2E7D32;
  --color-error: #f44336;
  --color-error-light: #e57373;
  --color-error-dark: #c62828;
  --color-danger: var(--color-error); /* alias para erros/danger */
  --color-warning: #FF9800;
  --color-warning-light: #FFB74D;
  --color-warning-dark: #F57C00;
  --color-info: #2196F3;
  --color-info-light: #64B5F6;
  --color-info-dark: #1976D2;
  
  /* Estados de interação */
  --color-hover: rgba(255, 255, 255, 0.1);
  --color-active: rgba(255, 255, 255, 0.2);
  --color-disabled: rgba(255, 255, 255, 0.05);
  --color-locked: rgba(0, 0, 0, 0.6);
  --color-locked-overlay: rgba(0, 0, 0, 0.4);
  
  /* Opacidades e overlays */
  --opacity-overlay-light: rgba(0, 0, 0, 0.3);
  --opacity-overlay-medium: rgba(0, 0, 0, 0.5);
  --opacity-overlay-dark: rgba(0, 0, 0, 0.7);
  --opacity-glass: rgba(255, 255, 255, 0.05);
  --opacity-glass-hover: rgba(255, 255, 255, 0.1);
  
  /* Gradientes - Avançados */
  /* Gradiente para botões: azul mais claro → verde (melhor contraste) */
  --gradient-primary: linear-gradient(135deg, #3a2f5a 0%, #2dd66f 100%);
  --gradient-primary-hover: linear-gradient(135deg, #4a3f6a 0%, #3de67f 100%);
  /* Gradiente para barras de progresso: mantém azul escuro → verde */
  --gradient-progress: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
  /* Gradiente para títulos: apenas verde (mais vibrante) */
  --gradient-title-accent: linear-gradient(180deg, var(--color-secondary) 0%, #2dd66f 100%);
  --gradient-dark: radial-gradient(
    circle at top left,
    var(--color-bg-card) 0%,
    var(--color-bg-tertiary) 25%,
    var(--color-bg-secondary) 50%,
    var(--color-bg-tertiary) 75%,
    var(--color-bg-primary) 100%
  );
  --gradient-hero: linear-gradient(180deg, rgba(2, 6, 23, 0.15) 0%, rgba(2, 6, 23, 0.35) 50%, rgba(2, 6, 23, 0.6) 100%);
  --gradient-overlay: linear-gradient(180deg, transparent 0%, rgba(0, 0, 0, 0.3) 50%, rgba(0, 0, 0, 0.7) 100%);
  --gradient-radial: radial-gradient(circle at center, rgba(19, 15, 38, 0.15) 0%, transparent 70%);
  --gradient-conic: conic-gradient(from 180deg at 50% 50%, var(--color-primary) 0deg, var(--color-secondary) 180deg, var(--color-primary) 360deg);
  
  /* Sombras - Múltiplos níveis de elevação */
  --shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.2);
  --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 8px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 8px 16px rgba(0, 0, 0, 0.5);
  --shadow-xl: 0 12px 24px rgba(0, 0, 0, 0.6);
  --shadow-2xl: 0 16px 32px rgba(0, 0, 0, 0.7);
  --shadow-3xl: 0 20px 40px rgba(0, 0, 0, 0.8);
  
  /* Sombras coloridas */
  --shadow-primary: 0 8px 16px rgba(19, 15, 38, 0.4);
  --shadow-secondary: 0 8px 16px rgba(34, 197, 94, 0.3);
  --shadow-success: 0 4px 12px rgba(76, 175, 80, 0.4);
  --shadow-error: 0 4px 12px rgba(244, 67, 54, 0.4);
  
  /* Backdrop blur values */
  --blur-sm: blur(4px);
  --blur-md: blur(8px);
  --blur-lg: blur(12px);
  --blur-xl: blur(16px);
  --blur-2xl: blur(24px);
  
  /* Espaçamentos */
  --spacing-xs: 0.25rem;   /* 4px */
  --spacing-sm: 0.5rem;    /* 8px */
  --spacing-md: 1rem;      /* 16px */
  --spacing-lg: 1.5rem;    /* 24px */
  --spacing-xl: 2rem;      /* 32px */
  --spacing-2xl: 3rem;     /* 48px */
  --spacing-3xl: 4rem;     /* 64px */
  
  /* Tipografia */
  --font-primary: 'Lexend', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  --font-family-primary: 'Lexend', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  --font-family-secondary: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  
  --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-weight-light: 300;
  --font-weight-normal: 400;
  --font-weight-medium: 500;
  --font-weight-semibold: 600;
  --font-weight-bold: 700;
  --font-weight-extrabold: 800;
  
  /* Line heights variados */
  --line-height-tight: 1.2;
  --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;
  
  /* Font display strategies */
  --font-display-swap: swap;
  --font-display-optional: optional;
  --font-display-fallback: fallback;
  
  /* Bordas */
  --border-radius-sm: 4px;
  --border-radius-md: 8px;
  --border-radius-lg: 12px;
  --border-radius-xl: 16px;
  --border-radius-full: 9999px;
  
  --border-width: 1px;
  
  /* Transições e Animações - Avançadas */
  --transition-fast: 150ms ease;
  --transition-base: 250ms ease;
  --transition-slow: 350ms ease;
  --transition-slower: 500ms ease;
  
  /* Easing functions customizadas */
  --ease-in-out: cubic-bezier(0.4, 0, 0.2, 1); /* Material Design */
  --ease-out: cubic-bezier(0, 0, 0.2, 1);
  --ease-in: cubic-bezier(0.4, 0, 1, 1);
  --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1); /* Spring effect */
  --ease-bounce: cubic-bezier(0.68, -0.55, 0.265, 1.55);
  
  /* Durações variadas */
  --duration-instant: 100ms;
  --duration-fast: 150ms;
  --duration-base: 250ms;
  --duration-slow: 350ms;
  --duration-slower: 500ms;
  --duration-slowest: 700ms;
  
  /* Delays para animações em cascata */
  --delay-1: 50ms;
  --delay-2: 100ms;
  --delay-2-5: 125ms;
  --delay-3: 150ms;
  --delay-4: 200ms;
  --delay-5: 250ms;
  
  /* Z-index layers */
  --z-dropdown: 1000;
  --z-sticky: 1020;
  --z-fixed: 1030;
  --z-modal-backdrop: 1040;
  --z-modal: 1050;
  --z-popover: 1060;
  --z-tooltip: 1070;
  
  /* Layout - Expandido */
  --header-height: 64px;
  --max-width-container: 1400px;
  --max-width-container-sm: 1200px;
  --max-width-container-lg: 1600px;
  --sidebar-width: 280px;
  
  /* Grid systems */
  --grid-columns-12: repeat(12, 1fr);
  --grid-columns-16: repeat(16, 1fr);
  --grid-gap-sm: var(--spacing-sm);
  --grid-gap-md: var(--spacing-md);
  --grid-gap-lg: var(--spacing-lg);
  
  /* Breakpoints expandidos */
  --breakpoint-xs: 320px;
  --breakpoint-sm: 375px;
  --breakpoint-md: 414px;
  --breakpoint-tablet: 768px;
  --breakpoint-tablet-lg: 1024px;
  --breakpoint-desktop: 1280px;
  --breakpoint-desktop-lg: 1440px;
  --breakpoint-desktop-xl: 1920px;
  
  /* Aspect ratios */
  --aspect-ratio-video: 16 / 9;
  --aspect-ratio-card: 16 / 9;
  --aspect-ratio-square: 1 / 1;
  --aspect-ratio-portrait: 3 / 4;
}

/* Mobile First - Media queries para responsividade */
/* Breakpoint Mobile Pequeno (320px - 480px) */
@media (max-width: 480px) {
  :root {
    --spacing-xs: 0.25rem;   /* 4px */
    --spacing-sm: 0.5rem;    /* 8px */
    --spacing-md: 0.75rem;   /* 12px */
    --spacing-lg: 1rem;      /* 16px */
    --spacing-xl: 1.25rem;   /* 20px */
    --spacing-2xl: 1.5rem;   /* 24px */
    --spacing-3xl: 2rem;    /* 32px */
    --header-height: 56px;
    --font-size-xs: 0.6875rem;   /* 11px */
    --font-size-sm: 0.8125rem;   /* 13px */
    --font-size-base: 0.9375rem; /* 15px */
    --font-size-lg: 1.125rem;    /* 18px */
    --font-size-xl: 1.25rem;     /* 20px */
    --font-size-2xl: 1.5rem;      /* 24px */
  }
}

/* Breakpoint Mobile (481px - 768px) */
@media (max-width: 768px) {
  :root {
    --spacing-xl: 1.5rem;    /* 24px */
    --spacing-2xl: 2rem;     /* 32px */
    --spacing-3xl: 3rem;     /* 48px */
    --header-height: 56px;
  }
}

/* Breakpoint Tablet (769px - 1024px) */
@media (min-width: 769px) and (max-width: 1024px) {
  :root {
    --header-height: 64px;
  }
}