/**
 * EduMonitor - Sistema de Gestão Escolar
 * Variáveis CSS - Design System
 * 
 * Paleta de cores profissional baseada no design de referência
 * Tipografia: Inter (Google Fonts)
 * Espaçamentos múltiplos de 8px
 */

:root {
    /* ========================================
       CORES PRIMÁRIAS
       ======================================== */
    --color-primary-50: #EEF2FF;
    --color-primary-100: #E0E7FF;
    --color-primary-200: #C7D2FE;
    --color-primary-300: #A5B4FC;
    --color-primary-400: #818CF8;
    --color-primary-500: #6366F1;
    --color-primary-600: #4F46E5;
    --color-primary-700: #4338CA;
    --color-primary-800: #3730A3;
    --color-primary-900: #312E81;
    
    /* Cor principal do sistema */
    --color-primary: #6366F1;
    --color-primary-hover: #4F46E5;
    --color-primary-active: #4338CA;
    --color-primary-light: #EEF2FF;
    
    /* ========================================
       CORES SECUNDÁRIAS
       ======================================== */
    --color-secondary-50: #F5F3FF;
    --color-secondary-100: #EDE9FE;
    --color-secondary-200: #DDD6FE;
    --color-secondary-300: #C4B5FD;
    --color-secondary-400: #A78BFA;
    --color-secondary-500: #8B5CF6;
    --color-secondary-600: #7C3AED;
    --color-secondary-700: #6D28D9;
    --color-secondary-800: #5B21B6;
    --color-secondary-900: #4C1D95;
    
    /* ========================================
       CORES DE ESTADO
       ======================================== */
    /* Sucesso */
    --color-success-50: #ECFDF5;
    --color-success-100: #D1FAE5;
    --color-success-200: #A7F3D0;
    --color-success-300: #6EE7B7;
    --color-success-400: #34D399;
    --color-success-500: #10B981;
    --color-success-600: #059669;
    --color-success-700: #047857;
    --color-success: #10B981;
    --color-success-light: #ECFDF5;
    
    /* Alerta */
    --color-warning-50: #FFFBEB;
    --color-warning-100: #FEF3C7;
    --color-warning-200: #FDE68A;
    --color-warning-300: #FCD34D;
    --color-warning-400: #FBBF24;
    --color-warning-500: #F59E0B;
    --color-warning-600: #D97706;
    --color-warning-700: #B45309;
    --color-warning: #F59E0B;
    --color-warning-light: #FFFBEB;
    
    /* Erro */
    --color-error-50: #FEF2F2;
    --color-error-100: #FEE2E2;
    --color-error-200: #FECACA;
    --color-error-300: #FCA5A5;
    --color-error-400: #F87171;
    --color-error-500: #EF4444;
    --color-error-600: #DC2626;
    --color-error-700: #B91C1C;
    --color-error: #EF4444;
    --color-error-light: #FEF2F2;
    
    /* Informação */
    --color-info-50: #EFF6FF;
    --color-info-100: #DBEAFE;
    --color-info-200: #BFDBFE;
    --color-info-300: #93C5FD;
    --color-info-400: #60A5FA;
    --color-info-500: #3B82F6;
    --color-info-600: #2563EB;
    --color-info-700: #1D4ED8;
    --color-info: #3B82F6;
    --color-info-light: #EFF6FF;
    
    /* ========================================
       CORES NEUTRAS
       ======================================== */
    --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 de texto */
    --color-text-primary: #1F2937;
    --color-text-secondary: #6B7280;
    --color-text-tertiary: #9CA3AF;
    --color-text-disabled: #D1D5DB;
    --color-text-inverse: #FFFFFF;
    --color-text-link: #6366F1;
    --color-text-link-hover: #4F46E5;
    
    /* Cores de fundo */
    --color-bg-primary: #FFFFFF;
    --color-bg-secondary: #F9FAFB;
    --color-bg-tertiary: #F3F4F6;
    --color-bg-sidebar: #1E1B4B;
    --color-bg-sidebar-hover: #312E81;
    --color-bg-overlay: rgba(17, 24, 39, 0.5);
    --color-bg-modal: rgba(17, 24, 39, 0.7);
    
    /* Cores de borda */
    --color-border-light: #E5E7EB;
    --color-border-default: #D1D5DB;
    --color-border-dark: #9CA3AF;
    --color-border-focus: #6366F1;
    
    /* ========================================
       TIPOGRAFIA
       ======================================== */
    --font-family-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
    --font-family-mono: 'JetBrains Mono', 'Fira Code', Consolas, Monaco, 'Courier New', monospace;
    
    /* Tamanhos de fonte */
    --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 */
    
    /* Peso da fonte */
    --font-weight-light: 300;
    --font-weight-normal: 400;
    --font-weight-medium: 500;
    --font-weight-semibold: 600;
    --font-weight-bold: 700;
    
    /* Altura de linha */
    --line-height-tight: 1.25;
    --line-height-snug: 1.375;
    --line-height-normal: 1.5;
    --line-height-relaxed: 1.625;
    --line-height-loose: 2;
    
    /* Espaçamento entre letras */
    --letter-spacing-tight: -0.025em;
    --letter-spacing-normal: 0;
    --letter-spacing-wide: 0.025em;
    --letter-spacing-wider: 0.05em;
    
    /* ========================================
       ESPAÇAMENTOS (múltiplos de 8px)
       ======================================== */
    --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 */
    
    /* ========================================
       BORDAS
       ======================================== */
    --border-width-thin: 1px;
    --border-width-default: 2px;
    --border-width-thick: 3px;
    
    --border-radius-none: 0;
    --border-radius-sm: 0.25rem;    /* 4px - inputs */
    --border-radius-default: 0.5rem; /* 8px - cards */
    --border-radius-md: 0.75rem;    /* 12px */
    --border-radius-lg: 1rem;       /* 16px */
    --border-radius-xl: 1.5rem;     /* 24px */
    --border-radius-full: 9999px;   /* círculo */
    
    /* ========================================
       SOMBRAS
       ======================================== */
    --shadow-xs: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-sm: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px -1px rgba(0, 0, 0, 0.1);
    --shadow-default: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -2px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -4px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    --shadow-inner: inset 0 2px 4px 0 rgba(0, 0, 0, 0.05);
    --shadow-primary: 0 4px 14px 0 rgba(99, 102, 241, 0.35);
    --shadow-success: 0 4px 14px 0 rgba(16, 185, 129, 0.35);
    --shadow-error: 0 4px 14px 0 rgba(239, 68, 68, 0.35);
    
    /* ========================================
       TRANSIÇÕES
       ======================================== */
    --transition-fast: 150ms ease;
    --transition-default: 200ms ease;
    --transition-slow: 300ms ease;
    --transition-slower: 500ms ease;
    
    /* Timing 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);
    --ease-bounce: cubic-bezier(0.68, -0.55, 0.265, 1.55);
    
    /* ========================================
       Z-INDEX
       ======================================== */
    --z-dropdown: 1000;
    --z-sticky: 1020;
    --z-fixed: 1030;
    --z-modal-backdrop: 1040;
    --z-modal: 1050;
    --z-popover: 1060;
    --z-tooltip: 1070;
    --z-toast: 1080;
    
    /* ========================================
       LAYOUT
       ======================================== */
    --sidebar-width: 260px;
    --sidebar-width-collapsed: 72px;
    --header-height: 64px;
    --content-max-width: 1440px;
    
    /* ========================================
       BREAKPOINTS (para referência em JS)
       ======================================== */
    --breakpoint-sm: 480px;
    --breakpoint-md: 768px;
    --breakpoint-lg: 1024px;
    --breakpoint-xl: 1280px;
    --breakpoint-2xl: 1536px;
}

    /* ========================================
       ANIMAÇÕES AVANÇADAS
       ======================================== */
    --animation-duration-fast: 150ms;
    --animation-duration-default: 300ms;
    --animation-duration-slow: 500ms;
    --animation-duration-slower: 800ms;
    
    /* Easing curves avançadas */
    --ease-spring: cubic-bezier(0.175, 0.885, 0.32, 1.275);
    --ease-smooth: cubic-bezier(0.25, 0.1, 0.25, 1);
    --ease-elastic: cubic-bezier(0.68, -0.6, 0.32, 1.6);
    --ease-back: cubic-bezier(0.34, 1.56, 0.64, 1);
    
    /* ========================================
       GLASSMORPHISM & EFFECTS
       ======================================== */
    --glass-bg: rgba(255, 255, 255, 0.7);
    --glass-bg-dark: rgba(17, 24, 39, 0.7);
    --glass-blur: blur(20px);
    --glass-border: rgba(255, 255, 255, 0.2);
    
    /* Gradientes */
    --gradient-primary: linear-gradient(135deg, #6366F1 0%, #8B5CF6 100%);
    --gradient-secondary: linear-gradient(135deg, #8B5CF6 0%, #EC4899 100%);
    --gradient-success: linear-gradient(135deg, #10B981 0%, #34D399 100%);
    --gradient-warning: linear-gradient(135deg, #F59E0B 0%, #FBBF24 100%);
    --gradient-danger: linear-gradient(135deg, #EF4444 0%, #F87171 100%);
    --gradient-dark: linear-gradient(135deg, #1E1B4B 0%, #312E81 100%);
    --gradient-shine: linear-gradient(45deg, transparent 30%, rgba(255,255,255,0.3) 50%, transparent 70%);
    --gradient-mesh: radial-gradient(at 40% 20%, #6366F1 0px, transparent 50%),
                     radial-gradient(at 80% 0%, #8B5CF6 0px, transparent 50%),
                     radial-gradient(at 0% 50%, #EC4899 0px, transparent 50%);
    
    /* Sombras aprimoradas */
    --shadow-glow-primary: 0 0 40px rgba(99, 102, 241, 0.4);
    --shadow-glow-success: 0 0 40px rgba(16, 185, 129, 0.4);
    --shadow-glow-danger: 0 0 40px rgba(239, 68, 68, 0.4);
    --shadow-3d: 0 20px 40px -15px rgba(0, 0, 0, 0.2);
    --shadow-float: 0 30px 60px -20px rgba(0, 0, 0, 0.25);
    --shadow-card-hover: 0 25px 50px -12px rgba(99, 102, 241, 0.25);
    
    /* ========================================
       MICRO-INTERAÇÕES
       ======================================== */
    --scale-hover: 1.02;
    --scale-active: 0.98;
    --scale-card-hover: 1.03;
    --translate-hover: -4px;
    --rotate-hover: 2deg;
}

/* ========================================
   TEMA ESCURO COMPLETO
   ======================================== */
[data-theme="dark"] {
    /* Cores de fundo */
    --color-bg-primary: #0F172A;
    --color-bg-secondary: #1E293B;
    --color-bg-tertiary: #334155;
    --color-bg-sidebar: #0F172A;
    --color-bg-sidebar-hover: #1E293B;
    --color-bg-overlay: rgba(0, 0, 0, 0.7);
    --color-bg-modal: rgba(0, 0, 0, 0.8);
    
    /* Cores de texto */
    --color-text-primary: #F1F5F9;
    --color-text-secondary: #94A3B8;
    --color-text-tertiary: #64748B;
    --color-text-disabled: #475569;
    
    /* Cores de borda */
    --color-border-light: #334155;
    --color-border-default: #475569;
    --color-border-dark: #64748B;
    
    /* Glassmorphism dark */
    --glass-bg: rgba(15, 23, 42, 0.8);
    --glass-border: rgba(255, 255, 255, 0.1);
    
    /* Cards e componentes */
    --color-gray-50: #1E293B;
    --color-gray-100: #334155;
    --color-gray-200: #475569;
    
    /* Sombras para dark mode */
    --shadow-xs: 0 1px 2px 0 rgba(0, 0, 0, 0.3);
    --shadow-sm: 0 1px 3px 0 rgba(0, 0, 0, 0.4);
    --shadow-default: 0 4px 6px -1px rgba(0, 0, 0, 0.5);
    --shadow-md: 0 10px 15px -3px rgba(0, 0, 0, 0.5);
    --shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, 0.5);
    --shadow-card-hover: 0 25px 50px -12px rgba(99, 102, 241, 0.3);
}