/* =============================================================================
   tokens.css — Sistema de diseño de NEXUS ARCADE
   Variables de color, tipografía, espaciado, radios, sombras y transiciones.
   Estética: negro profundo + verde neón (#00ff66) + verde oscuro + cristal.
   ============================================================================= */

:root {
  /* --- Paleta base --------------------------------------------------------- */
  --bg-950: #04060a;        /* negro profundo (fondo principal) */
  --bg-900: #070b10;
  --bg-850: #0a1017;
  --bg-800: #0d141d;
  --line: rgba(0, 255, 102, 0.12);

  /* Verde neón y variantes */
  --neon: #00ff66;
  --neon-bright: #5bffa0;
  --neon-dim: #10b981;
  --green-deep: #073b1f;
  --green-darker: #052a16;

  /* Acento secundario sutil (para variedad, muy contenido) */
  --cyan: #00e5ff;

  /* Texto: blanco solo para lo importante */
  --text: #e9fff3;
  --text-strong: #ffffff;
  --text-dim: #8fb8a3;
  --text-muted: #5c7d6c;

  /* Estados */
  --danger: #ff3b5c;
  --warning: #ffcc4d;
  --ok: var(--neon);

  /* --- Superficies de cristal (glassmorphism) ------------------------------ */
  --glass-bg: rgba(10, 20, 16, 0.55);
  --glass-bg-strong: rgba(8, 16, 13, 0.78);
  --glass-border: rgba(0, 255, 102, 0.18);
  --glass-blur: 16px;

  /* --- Sombras y glow ------------------------------------------------------ */
  --glow-sm: 0 0 8px rgba(0, 255, 102, 0.35);
  --glow-md: 0 0 18px rgba(0, 255, 102, 0.45);
  --glow-lg: 0 0 42px rgba(0, 255, 102, 0.55);
  --shadow-panel: 0 20px 60px rgba(0, 0, 0, 0.55);
  --shadow-green: 0 10px 40px rgba(0, 255, 102, 0.12);

  /* --- Tipografía ---------------------------------------------------------- */
  --font-ui: "Segoe UI", system-ui, -apple-system, Roboto, Helvetica, Arial, sans-serif;
  --font-mono: ui-monospace, "Cascadia Code", "SFMono-Regular", Consolas, "Liberation Mono", monospace;

  --fs-xs: 0.75rem;
  --fs-sm: 0.875rem;
  --fs-base: 1rem;
  --fs-lg: 1.25rem;
  --fs-xl: 1.75rem;
  --fs-2xl: 2.5rem;
  --fs-hero: clamp(2.5rem, 6vw, 5rem);

  /* --- Espaciado ----------------------------------------------------------- */
  --sp-1: 0.25rem;
  --sp-2: 0.5rem;
  --sp-3: 0.75rem;
  --sp-4: 1rem;
  --sp-5: 1.5rem;
  --sp-6: 2rem;
  --sp-8: 3rem;
  --sp-10: 4rem;

  /* --- Radios -------------------------------------------------------------- */
  --r-sm: 8px;
  --r-md: 14px;
  --r-lg: 20px;
  --r-xl: 28px;
  --r-full: 999px;

  /* --- Transiciones -------------------------------------------------------- */
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --t-fast: 140ms var(--ease);
  --t-med: 260ms var(--ease);
  --t-slow: 520ms var(--ease-out);

  /* --- Capas (z-index) ----------------------------------------------------- */
  --z-bg: 0;
  --z-content: 1;
  --z-header: 50;
  --z-modal: 100;
  --z-toast: 200;

  /* Anchura máxima del contenido */
  --maxw: 1240px;
}

/* Respeta a quien prefiere menos movimiento. */
@media (prefers-reduced-motion: reduce) {
  :root {
    --t-fast: 0ms;
    --t-med: 0ms;
    --t-slow: 0ms;
  }
}