/**
 * X593X Design System Tokens & Base Reset
 * IPTV-UI-001 - Sistema Visual Compartido
 */

:root {
    /* Superficies y Fondos */
    --x-bg-canvas: #070B12;
    --x-bg-surface: #0D1424;
    --x-bg-card: rgba(14, 22, 38, 0.88);
    --x-bg-card-hover: rgba(20, 32, 54, 0.95);
    --x-bg-input: rgba(10, 16, 28, 0.9);
    --x-bg-dropdown: #0D1527;
    --x-bg-glass: rgba(13, 20, 36, 0.72);
    
    /* Bordes y Separadores */
    --x-border: rgba(255, 255, 255, 0.08);
    --x-border-strong: rgba(255, 255, 255, 0.16);
    --x-border-hover: rgba(0, 229, 255, 0.45);
    --x-border-cyan: #00E5FF;
    
    /* Acentos Tecnológicos */
    --x-cyan: #00E5FF;
    --x-cyan-hover: #33EBFF;
    --x-cyan-glow: rgba(0, 229, 255, 0.22);
    --x-cyan-subtle: rgba(0, 229, 255, 0.08);
    --x-indigo: #6366F1;
    --x-indigo-hover: #4F46E5;
    --x-indigo-glow: rgba(99, 102, 241, 0.25);
    
    /* Semántica */
    --x-success: #10B981;
    --x-success-bg: rgba(16, 185, 129, 0.12);
    --x-success-border: rgba(16, 185, 129, 0.35);
    
    --x-warning: #F59E0B;
    --x-warning-bg: rgba(245, 158, 11, 0.12);
    --x-warning-border: rgba(245, 158, 11, 0.35);
    
    --x-danger: #EF4444;
    --x-danger-bg: rgba(239, 68, 68, 0.12);
    --x-danger-border: rgba(239, 68, 68, 0.35);
    
    --x-info: #0284C7;
    --x-info-bg: rgba(2, 132, 199, 0.12);
    
    /* Textos y Contraste WCAG 2.1 AA */
    --x-text-bright: #FFFFFF;
    --x-text-main: #E2E8F0;
    --x-text-muted: #94A3B8;
    --x-text-faint: #64748B;
    
    /* Tipografía */
    --x-font: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    --x-font-heading: 'Outfit', 'Inter', -apple-system, sans-serif;
    --x-font-mono: 'JetBrains Mono', SFMono-Regular, Menlo, Monaco, Consolas, monospace;
    
    /* Radios */
    --x-radius-sm: 6px;
    --x-radius-md: 10px;
    --x-radius-lg: 16px;
    --x-radius-xl: 24px;
    --x-radius-pill: 9999px;
    
    /* Sombras */
    --x-shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
    --x-shadow-card: 0 10px 28px -6px rgba(0, 0, 0, 0.65), 0 0 1px rgba(255, 255, 255, 0.1);
    --x-shadow-hover: 0 16px 36px -8px rgba(0, 0, 0, 0.8), 0 0 20px rgba(0, 229, 255, 0.18);
    --x-shadow-dropdown: 0 18px 40px rgba(0, 0, 0, 0.85), 0 0 0 1px rgba(255, 255, 255, 0.1);
    
    /* Z-Index Hierarchy */
    --x-z-base: 1;
    --x-z-elevated: 10;
    --x-z-sticky: 1020;
    --x-z-fixed: 1030;
    --x-z-drawer: 1040;
    --x-z-backdrop: 1050;
    --x-z-modal: 1060;
    --x-z-toast: 1080;
    --x-z-tooltip: 1090;
    
    /* Transiciones */
    --x-trans-fast: 0.15s ease;
    --x-trans: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    --x-trans-bounce: 0.35s cubic-bezier(0.34, 1.56, 0.64, 1);
}

/* Reset Global Limpio */
html {
    scroll-behavior: smooth;
    box-sizing: border-box;
}

*, *::before, *::after {
    box-sizing: inherit;
}

body {
    background-color: var(--x-bg-canvas);
    color: var(--x-text-main);
    font-family: var(--x-font);
    font-size: 15px;
    line-height: 1.55;
    margin: 0;
    padding: 0;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

/* Enfoque Accesible para Teclado */
:focus-visible {
    outline: 2px solid var(--x-cyan) !important;
    outline-offset: 2px !important;
}

/* Selección de Texto */
::selection {
    background-color: var(--x-cyan-glow);
    color: var(--x-cyan);
}

/* Scrollbars Modernos y Delgados */
::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}
::-webkit-scrollbar-track {
    background: rgba(7, 11, 18, 0.8);
}
::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.18);
    border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
    background: rgba(0, 229, 255, 0.4);
}

/* Respeto por preferencias de movimiento reducido */
@media (prefers-reduced-motion: reduce) {
    *, ::before, ::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}