/**
 * Variables CSS Personalizadas
 * Paleta monocromática para Jorge Corcho Rodríguez
 * Actualizado: 2026-01-19
 */

:root {
  /* Colores principales - escala de grises */
  --color-primary: #121212;
  --color-secondary: #7f7f7f;
  --color-accent: #c4c4c4;
  --color-background: #0b0b0f;
  --color-foreground: #ededed;

  /* Variantes adicionales */
  --color-background-alt: #151516;
  --color-foreground-muted: #a3a3a3;

  /* Colores especiales */
  --color-carbon: #0b0b0f;
  --color-charcoal: #151516;
  --color-fog: #1f1f21;

  /* Escala completa de grises (ink) */
  --color-ink-50: #f7f7f7;
  --color-ink-100: #ededed;
  --color-ink-200: #d9d9d9;
  --color-ink-300: #c4c4c4;
  --color-ink-400: #a3a3a3;
  --color-ink-500: #7f7f7f;
  --color-ink-600: #5f5f5f;
  --color-ink-700: #3f3f3f;
  --color-ink-800: #262626;
  --color-ink-900: #121212;

  /* Estados - mantenidos para funcionalidad */
  --color-success: #10B981;
  --color-warning: #F59E0B;
  --color-error: #EF4444;

  /* Tipografia */
  --font-heading: 'Playfair Display', serif;
  --font-body: 'Inter', system-ui, sans-serif;
  --font-size-base: 16px;

  /* Bordes */
  --radius-base: 0.5rem;
  --radius-lg: 1rem;
  --radius-xl: 1.5rem;
  --radius-2xl: 2rem;
  --radius-3xl: 3rem;
  --radius-full: 9999px;

  /* Sombras - más profundas para tema oscuro */
  --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.3);
  --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.5), 0 2px 4px -2px rgb(0 0 0 / 0.3);
  --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.6), 0 4px 6px -4px rgb(0 0 0 / 0.4);
  --shadow-soft: 0 20px 60px -35px rgba(0, 0, 0, 0.8);
  --shadow-xl: 0 25px 50px -12px rgba(0, 0, 0, 0.7);

  /* Transiciones */
  --transition-fast: 150ms ease;
  --transition-base: 200ms ease;
  --transition-slow: 300ms ease;
}

/* Reset basico */
*, *::before, *::after {
  box-sizing: border-box;
}

/* Aplicar fuentes globalmente */
body {
  font-family: var(--font-body);
  font-size: var(--font-size-base);
  color: var(--color-foreground);
  background-color: var(--color-background);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 600;
  line-height: 1.25;
  color: var(--color-foreground);
}

/* Scrollbar personalizado */
::-webkit-scrollbar {
  width: 10px;
  height: 10px;
}

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

::-webkit-scrollbar-thumb {
  background: var(--color-secondary);
  border-radius: var(--radius-full);
  transition: var(--transition-base);
}

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

/* Selección de texto */
::selection {
  background-color: var(--color-accent);
  color: var(--color-background);
}

::-moz-selection {
  background-color: var(--color-accent);
  color: var(--color-background);
}

/* Clases de utilidad - Colores de texto */
.text-primary { color: var(--color-primary); }
.text-secondary { color: var(--color-secondary); }
.text-accent { color: var(--color-accent); }
.text-muted { color: var(--color-foreground-muted); }
.text-success { color: var(--color-success); }
.text-warning { color: var(--color-warning); }
.text-error { color: var(--color-error); }

/* Clases de utilidad - Fondos */
.bg-primary { background-color: var(--color-primary); }
.bg-secondary { background-color: var(--color-secondary); }
.bg-accent { background-color: var(--color-accent); }
.bg-alt { background-color: var(--color-background-alt); }
.bg-carbon { background-color: var(--color-carbon); }
.bg-charcoal { background-color: var(--color-charcoal); }
.bg-fog { background-color: var(--color-fog); }

/* Clases de utilidad - Bordes */
.rounded { border-radius: var(--radius-base); }
.rounded-lg { border-radius: var(--radius-lg); }
.rounded-full { border-radius: var(--radius-full); }

/* Botones monocromáticos */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 1.5rem;
  font-size: 0.875rem;
  font-weight: 500;
  border-radius: var(--radius-full);
  transition: all var(--transition-base);
  cursor: pointer;
  border: none;
  text-decoration: none;
}

.btn-primary {
  background-color: var(--color-foreground);
  color: var(--color-background);
}

.btn-primary:hover {
  background-color: var(--color-accent);
  transform: translateY(-2px);
}

.btn-secondary {
  background-color: var(--color-secondary);
  color: var(--color-foreground);
}

.btn-secondary:hover {
  background-color: var(--color-accent);
}

.btn-outline {
  background-color: transparent;
  border: 1px solid var(--color-accent);
  color: var(--color-foreground);
}

.btn-outline:hover {
  background-color: var(--color-accent);
  color: var(--color-background);
  border-color: var(--color-foreground);
}

/* Cards monocromáticos */
.card {
  background-color: var(--color-primary);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-3xl);
  box-shadow: var(--shadow-soft);
  padding: 2rem;
  backdrop-filter: blur(12px);
}

/* Inputs monocromáticos */
.input {
  width: 100%;
  padding: 0.75rem 1rem;
  font-size: 0.875rem;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-lg);
  background-color: rgba(11, 11, 15, 0.6);
  color: var(--color-foreground);
  transition: all var(--transition-base);
}

.input:focus {
  outline: none;
  border-color: var(--color-accent);
  background-color: rgba(21, 21, 22, 0.8);
  box-shadow: 0 0 0 3px rgba(196, 196, 196, 0.1);
}

.input::placeholder {
  color: var(--color-secondary);
}

/* Enlaces monocromáticos */
a {
  color: var(--color-accent);
  text-decoration: none;
  transition: color var(--transition-fast);
}

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

/* Focus visible para accesibilidad */
*:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
  border-radius: var(--radius-base);
}

/* Animación de entrada */
@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.animate-fade-in {
  animation: fadeIn 0.5s ease-out forwards;
}

/* Efecto hover lift */
.hover-lift {
  transition: transform 0.3s ease;
}

.hover-lift:hover {
  transform: translateY(-4px);
}

/* Gradientes monocromáticos */
.gradient-fade {
  background: linear-gradient(
    to bottom,
    var(--color-background),
    transparent
  );
}

.gradient-radial {
  background: radial-gradient(
    circle at center,
    var(--color-background-alt),
    var(--color-background)
  );
}

/* Blur de fondo */
.blur-backdrop {
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

/* Media queries para modo oscuro siempre activo */
@media (prefers-color-scheme: light) {
  /* Mantener colores oscuros incluso en modo claro */
  :root {
    --color-background: #0b0b0f;
    --color-foreground: #ededed;
  }
}