/**
 * Design System - Just Dev It
 * Variables CSS personalizadas para un sistema de diseño coherente
 */

:root {
    /* ===== COLORES PRINCIPALES ===== */
    /* Identidad de marca */
    --color-brand-primary: #9B61A4;
    --color-brand-secondary: #04C7AA;
    --color-brand-accent: #B37BBF;
    --color-brand-dark: #6A3B7E;
    
    /* Neutros */
    --color-neutral-darkest: #0F172A;    /* slate-900 */
    --color-neutral-darker: #1E293B;     /* slate-800 */
    --color-neutral-dark: #334155;       /* slate-700 */
    --color-neutral-medium: #64748B;     /* slate-500 */
    --color-neutral-light: #94A3B8;      /* slate-400 */
    --color-neutral-lighter: #CBD5E1;    /* slate-300 */
    --color-neutral-lightest: #F1F5F9;   /* slate-100 */
    
    /* Estados */
    --color-success: #10B981;
    --color-warning: #F59E0B;
    --color-error: #EF4444;
    --color-info: #3B82F6;
    
    /* Backgrounds */
    --bg-primary: #0A0E1A;
    --bg-secondary: #152636;
    --bg-tertiary: #1E293B;
    --bg-card: rgba(30, 41, 59, 0.6);
    --bg-card-hover: rgba(30, 41, 59, 0.8);
    
    /* ===== TIPOGRAFÍA ===== */
    /* Font Families */
    --font-primary: 'Poppins', system-ui, -apple-system, sans-serif;
    --font-secondary: 'Manrope', system-ui, -apple-system, sans-serif;
    --font-mono: 'Fira Code', 'Courier New', monospace;
    
    /* Font Sizes - Mobile First */
    --text-xs: clamp(0.75rem, 0.7rem + 0.25vw, 0.875rem);
    --text-sm: clamp(0.875rem, 0.8rem + 0.35vw, 1rem);
    --text-base: clamp(1rem, 0.9rem + 0.5vw, 1.125rem);
    --text-lg: clamp(1.125rem, 1rem + 0.625vw, 1.25rem);
    --text-xl: clamp(1.25rem, 1.1rem + 0.75vw, 1.5rem);
    --text-2xl: clamp(1.5rem, 1.3rem + 1vw, 1.875rem);
    --text-3xl: clamp(1.875rem, 1.6rem + 1.375vw, 2.25rem);
    --text-4xl: clamp(2.25rem, 1.9rem + 1.75vw, 3rem);
    --text-5xl: clamp(3rem, 2.5rem + 2.5vw, 3.75rem);
    --text-6xl: clamp(3.75rem, 3rem + 3.75vw, 4.5rem);
    
    /* Font Weights */
    --font-light: 300;
    --font-regular: 400;
    --font-medium: 500;
    --font-semibold: 600;
    --font-bold: 700;
    --font-extrabold: 800;
    
    /* Line Heights */
    --leading-tight: 1.2;
    --leading-snug: 1.375;
    --leading-normal: 1.6;
    --leading-relaxed: 1.75;
    --leading-loose: 2;
    
    /* ===== ESPACIADO ===== */
    --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-8: 2rem;      /* 32px */
    --space-10: 2.5rem;   /* 40px */
    --space-12: 3rem;     /* 48px */
    --space-16: 4rem;     /* 64px */
    --space-20: 5rem;     /* 80px */
    --space-24: 6rem;     /* 96px */
    --space-32: 8rem;     /* 128px */
    
    /* ===== BORDES ===== */
    --radius-sm: 0.25rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;
    --radius-full: 9999px;
    
    /* ===== SOMBRAS ===== */
    --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);
    --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    --shadow-brand: 0 10px 40px -10px rgba(155, 97, 164, 0.4);
    
    /* ===== GRADIENTES ===== */
    --gradient-primary: linear-gradient(135deg, var(--color-brand-accent) 0%, var(--color-brand-primary) 50%, var(--color-brand-dark) 100%);
    --gradient-secondary: linear-gradient(135deg, var(--color-brand-secondary) 0%, var(--color-brand-primary) 100%);
    --gradient-dark: linear-gradient(180deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
    --gradient-overlay: linear-gradient(180deg, rgba(10, 14, 26, 0) 0%, rgba(10, 14, 26, 0.8) 100%);
    
    /* ===== TRANSICIONES ===== */
    --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-base: 300ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 500ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-smooth: 700ms cubic-bezier(0.25, 0.46, 0.45, 0.94);
    
    /* ===== Z-INDEX ===== */
    --z-dropdown: 1000;
    --z-sticky: 1020;
    --z-fixed: 1030;
    --z-modal-backdrop: 1040;
    --z-modal: 1050;
    --z-popover: 1060;
    --z-tooltip: 1070;
    
    /* ===== BREAKPOINTS (como referencia, usar en media queries) ===== */
    --breakpoint-xs: 375px;
    --breakpoint-sm: 640px;
    --breakpoint-md: 768px;
    --breakpoint-lg: 1024px;
    --breakpoint-xl: 1280px;
    --breakpoint-2xl: 1536px;
    
    /* ===== CONTAINER ===== */
    --container-sm: 640px;
    --container-md: 768px;
    --container-lg: 1024px;
    --container-xl: 1280px;
    --container-2xl: 1400px;
    
    /* ===== EFECTOS ESPECIALES ===== */
    --blur-sm: blur(4px);
    --blur-md: blur(8px);
    --blur-lg: blur(16px);
    --blur-xl: blur(24px);
    
    /* Backdrop filters */
    --backdrop-blur: blur(12px) saturate(180%);
    
    /* ===== ANIMACIONES PERSONALIZADAS ===== */
    --animation-spin: spin 1s linear infinite;
    --animation-ping: ping 1s cubic-bezier(0, 0, 0.2, 1) infinite;
    --animation-pulse: pulse 2s cubic-bezier(0.4, 0, 0.6, 1) infinite;
    --animation-bounce: bounce 1s infinite;
}

/* Dark mode support (futuro) */
@media (prefers-color-scheme: dark) {
    :root {
        /* Ya estamos en dark mode por defecto */
    }
}

/* High contrast mode */
@media (prefers-contrast: high) {
    :root {
        --color-brand-primary: #B37BBF;
        --color-brand-secondary: #10D5B8;
    }
}

/* Reducción de movimiento */
@media (prefers-reduced-motion: reduce) {
    :root {
        --transition-fast: 0ms;
        --transition-base: 0ms;
        --transition-slow: 0ms;
        --transition-smooth: 0ms;
    }
}