/* ==========================================================================
   Variables globales — colores, espaciado, tipografía
   ========================================================================== */

:root,
[data-theme="dark"] {
  /* Fondo */
  --bg-primary: #0a0a0a;
  --bg-secondary: #1a1a1a;
  --bg-tertiary: #141414;

  /* Glassmorphism */
  --glass-bg: rgba(255, 255, 255, 0.05);
  --glass-bg-hover: rgba(255, 255, 255, 0.08);
  --glass-border: rgba(255, 255, 255, 0.1);
  --glass-border-hover: rgba(255, 255, 255, 0.2);
  --glass-blur: 20px;

  /* Texto */
  --text-primary: #f5f5f7;
  --text-secondary: #a1a1a6;

  /* Acentos */
  --accent-primary: #0071e3;
  --accent-primary-hover: #0a66d2;
  --accent-secondary: #34c759;

  /* Bordes y sombras */
  --border-color: rgba(255, 255, 255, 0.1);
  --shadow-color: rgba(0, 0, 0, 0.3);
  --shadow-1: 0 8px 32px rgba(0, 0, 0, 0.3);
  --shadow-2: 0 16px 48px rgba(0, 0, 0, 0.4);
  --shadow-3: 0 20px 60px rgba(0, 0, 0, 0.5);
  --shadow-inset: inset 0 1px 0 rgba(255, 255, 255, 0.1);

  /* Tipografía */
  --font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display", "SF Pro Text", "Segoe UI", Roboto, Helvetica, Arial, sans-serif;

  /* Espaciado (escala base 8px) */
  --space-xs: 8px;
  --space-sm: 16px;
  --space-md: 24px;
  --space-lg: 32px;
  --space-xl: 48px;
  --space-2xl: 64px;

  /* Layout */
  --container-max: 1200px;
  --header-height: 80px;
  --header-height-mobile: 70px;

  /* Radios */
  --radius-sm: 12px;
  --radius-md: 16px;
  --radius-lg: 24px;

  /* Transiciones */
  --ease-apple: cubic-bezier(0.4, 0, 0.2, 1);
  --transition-fast: 0.3s var(--ease-apple);
  --transition-slow: 0.4s var(--ease-apple);
}

[data-theme="light"] {
  --bg-primary: #ffffff;
  --bg-secondary: #f5f5f7;
  --bg-tertiary: #ececee;

  --glass-bg: rgba(0, 0, 0, 0.03);
  --glass-bg-hover: rgba(0, 0, 0, 0.05);
  --glass-border: rgba(0, 0, 0, 0.1);
  --glass-border-hover: rgba(0, 0, 0, 0.2);

  --text-primary: #1d1d1d;
  --text-secondary: #666666;

  --accent-primary: #0071e3;
  --accent-primary-hover: #0a66d2;
  --accent-secondary: #34c759;

  --border-color: rgba(0, 0, 0, 0.1);
  --shadow-color: rgba(0, 0, 0, 0.05);
  --shadow-1: 0 8px 32px rgba(0, 0, 0, 0.08);
  --shadow-2: 0 16px 48px rgba(0, 0, 0, 0.1);
  --shadow-3: 0 20px 60px rgba(0, 0, 0, 0.12);
  --shadow-inset: inset 0 1px 0 rgba(255, 255, 255, 0.6);
}

/* Respeta prefers-color-scheme cuando no hay preferencia guardada */
@media (prefers-color-scheme: light) {
  :root:not([data-theme]) {
    --bg-primary: #ffffff;
    --bg-secondary: #f5f5f7;
    --bg-tertiary: #ececee;
    --glass-bg: rgba(0, 0, 0, 0.03);
    --glass-bg-hover: rgba(0, 0, 0, 0.05);
    --glass-border: rgba(0, 0, 0, 0.1);
    --glass-border-hover: rgba(0, 0, 0, 0.2);
    --text-primary: #1d1d1d;
    --text-secondary: #666666;
    --border-color: rgba(0, 0, 0, 0.1);
    --shadow-color: rgba(0, 0, 0, 0.05);
  }
}