/**
 * Dark Theme - Variables CSS
 * Paleta de colores oscura tech/corporativa
 */

:root {
  /* Colores principales */
  --color-primary-dark: #0F0F1E;      /* Azul-Negro profundo */
  --color-primary: #1A1A2E;           /* Fondo oscuro */
  --color-secondary: #00D9FF;         /* Cyan neón */
  --color-accent: #FFB800;            /* Oro/Naranja */
  --color-accent-dark: #E8A700;       /* Oro oscuro */

  /* Colores de texto */
  --color-text-primary: #E8E8FF;      /* Blanco azulado */
  --color-text-secondary: #A0A0C0;    /* Gris claro */
  --color-text-light: #7A7A98;        /* Gris más claro */

  /* Estados */
  --color-success: #25D366;           /* Verde WhatsApp */
  --color-danger: #FF3B5C;            /* Rojo tech */
  --color-warning: #FFB800;           /* Naranja */
  --color-info: #00D9FF;              /* Cyan */

  /* Bordes y sombras */
  --color-border: #2A2A3E;            /* Borde oscuro */
  --color-border-light: #3A3A4E;      /* Borde claro */
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.4);
  --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.5);
  --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.6);
  --shadow-glow: 0 0 20px rgba(0, 217, 255, 0.2);

  /* Tipografía */
  --font-family-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-family-mono: 'JetBrains Mono', monospace;
  --font-weight-regular: 400;
  --font-weight-semi: 600;
  --font-weight-bold: 700;

  /* Espaciado */
  --spacing-xs: 0.25rem;
  --spacing-sm: 0.5rem;
  --spacing-md: 1rem;
  --spacing-lg: 1.5rem;
  --spacing-xl: 2rem;
  --spacing-2xl: 3rem;
  --spacing-3xl: 4rem;

  /* Bordes redondeados */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;

  /* Transiciones */
  --transition-fast: 150ms ease-in-out;
  --transition-base: 250ms ease-in-out;
  --transition-slow: 350ms ease-in-out;
}

/* Tema oscuro aplicado */
html.dark-mode,
body.dark-mode {
  background-color: var(--color-primary-dark);
  color: var(--color-text-primary);
}

html,
body {
  background-color: var(--color-primary-dark);
  color: var(--color-text-primary);
  font-family: var(--font-family-sans);
}

/* Links */
a {
  color: var(--color-secondary);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover {
  color: var(--color-accent);
}

/* Headings */
h1, h2, h3, h4, h5, h6 {
  color: var(--color-text-primary);
  font-weight: var(--font-weight-bold);
  font-family: var(--font-family-sans);
}

/* Inputs y textareas */
input,
textarea,
select {
  background-color: var(--color-primary);
  color: var(--color-text-primary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--spacing-md);
  font-family: var(--font-family-sans);
  transition: all var(--transition-fast);
}

input:focus,
textarea:focus,
select:focus {
  background-color: var(--color-primary);
  border-color: var(--color-secondary);
  color: var(--color-text-primary);
  outline: none;
  box-shadow: 0 0 0 3px rgba(0, 217, 255, 0.1);
}

input::placeholder,
textarea::placeholder {
  color: var(--color-text-light);
}

/* Scrollbar */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

::-webkit-scrollbar-track {
  background: var(--color-primary);
}

::-webkit-scrollbar-thumb {
  background: var(--color-border-light);
  border-radius: var(--radius-md);
}

::-webkit-scrollbar-thumb:hover {
  background: var(--color-secondary);
}

/* Selection */
::selection {
  background-color: var(--color-secondary);
  color: var(--color-primary-dark);
}

::-moz-selection {
  background-color: var(--color-secondary);
  color: var(--color-primary-dark);
}