/* Variables de CSS (Tokens de diseño) */
:root {
  /* Colores de Marca - Narratix Elite Cinema Palette */
  --color-primary: #6366F1;
  --color-primary-light: #818CF8;
  --color-primary-dark: #4F46E5;
  --color-primary-rgb: 99, 102, 241;

  --color-secondary: #06B6D4;
  --color-secondary-light: #38BDF8;
  --color-secondary-dark: #0891B2;
  --color-secondary-rgb: 6, 182, 212;

  --color-accent: #EC4899;
  --color-accent-light: #F472B6;
  --color-accent-dark: #DB2777;
  --color-accent-rgb: 236, 72, 153;

  /* Gradientes Insignia */
  --gradient-brand: linear-gradient(135deg, #6366F1 0%, #A855F7 50%, #EC4899 100%);
  --gradient-glow: linear-gradient(135deg, rgba(99, 102, 241, 0.4) 0%, rgba(236, 72, 153, 0.4) 100%);
  --gradient-surface: linear-gradient(180deg, rgba(22, 27, 44, 0.7) 0%, rgba(13, 16, 28, 0.85) 100%);
  --gradient-overlay: linear-gradient(to top, rgba(9, 10, 16, 0.95) 0%, rgba(9, 10, 16, 0.4) 50%, rgba(9, 10, 16, 0.1) 100%);

  /* Superficies Dark Mode Cinemático */
  --color-bg-body: #090A10;
  --color-bg-card: rgba(18, 22, 36, 0.75);
  --color-bg-surface: #121524;
  --color-bg-elevated: #1B2036;
  --color-bg-input: rgba(13, 16, 26, 0.85);
  --color-bg-hover: rgba(99, 102, 241, 0.15);

  --color-text-primary: #F8FAFC;
  --color-text-secondary: #CBD5E1;
  --color-text-muted: #64748B;
  --color-text-inverse: #090A10;

  /* Bordes de Cristal */
  --color-border: rgba(255, 255, 255, 0.08);
  --color-border-light: rgba(255, 255, 255, 0.16);
  --color-border-glow: rgba(99, 102, 241, 0.35);

  --color-success: #10B981;
  --color-warning: #F59E0B;
  --color-danger: #EF4444;
  --color-info: #38BDF8;

  /* Tipografía */
  --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-display: 'Space Grotesk', -apple-system, sans-serif;

  --text-xs: 0.75rem;
  --text-sm: 0.875rem;
  --text-base: 1rem;
  --text-lg: 1.125rem;
  --text-xl: 1.25rem;
  --text-2xl: 1.5rem;
  --text-3xl: 1.875rem;
  --text-4xl: 2.25rem;
  --text-5xl: 3rem;
  --text-6xl: 3.75rem;

  /* Espaciado */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;

  /* Radios de borde modernos */
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 14px;
  --radius-xl: 18px;
  --radius-2xl: 24px;
  --radius-full: 9999px;

  /* Sombras y Resplandores Bioluminiscentes */
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.35);
  --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.5);
  --shadow-lg: 0 16px 40px rgba(0, 0, 0, 0.65);
  --shadow-xl: 0 24px 64px rgba(0, 0, 0, 0.8);
  --shadow-glow: 0 0 25px rgba(99, 102, 241, 0.35);
  --shadow-glow-pink: 0 0 25px rgba(236, 72, 153, 0.35);
  --shadow-glow-cyan: 0 0 25px rgba(6, 182, 212, 0.35);
  --shadow-glow-lg: 0 0 50px rgba(99, 102, 241, 0.45);

  /* Transiciones */
  --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-base: 250ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 400ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-spring: 500ms cubic-bezier(0.34, 1.56, 0.64, 1);

  /* Z-index */
  --z-dropdown: 100;
  --z-sticky: 200;
  --z-navbar: 300;
  --z-modal-backdrop: 400;
  --z-modal: 500;
  --z-toast: 600;

  /* Contenedores */
  --container-max: 1280px;
  --container-sm: 640px;
  --container-md: 768px;
  --navbar-height: 72px;
}