@import "tailwindcss";

@custom-variant dark (&:is(.dark *));

@theme {

  /* 1. AZUL (Primario) */
  --color-primary: #3B82F6;
  --color-primary-hover: #2563EB;
  --color-primary-active: #1D4ED8;
  --color-primary-disabled: #93C5FD;
  --color-primary-faint: #EFF6FF;
  --color-primary-subtle: #DBEAFE;
  --color-primary-foreground: #FFFFFF;

  /* 2. BLANCO Y GRIS (Fondos, Texto, Bordes) */
  --color-background: #FFFFFF;
  --color-background-alt: #F3F4F6;
  --color-background-subtle: #F9FAFB;
  --color-text: #1F2937;
  --color-text-muted: #4B5563;
  --color-text-subtle: #9CA3AF;
  --color-border: #D1D5DB;
  --color-border-subtle: #E5E7EB;
  --color-border-light: #F3F4F6;
  --color-overlay: rgba(0, 0, 0, 0.6);

  /* 3. SEMÁNTICOS (Alertas) */
  --color-destructive: #B91C1C;
  --color-destructive-hover: #991B1B;
  --color-destructive-background: #FEF2F2;
  --color-destructive-border: #FECACA;
  --color-destructive-foreground: #7F1D1D;

  --color-success: #059669;
  --color-success-hover: #047857;
  --color-success-background: #ECFDF5;
  --color-success-border: #A7F3D0;
  --color-success-foreground: #064E3B;

  --color-warning: #D97706;
  --color-warning-background: #FFFBEB;
  --color-warning-border: #FDE68A;
  --color-warning-foreground: #92400E;

  --color-info: #0284C7;
  --color-info-background: #F0F9FF;
  --color-info-border: #BAE6FD;
  --color-info-foreground: #0C4A6E;

  /* 4. SOMBRA Y ELEVACIÓN */
  --shadow-xs: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-sm: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px -1px rgba(0, 0, 0, 0.1);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -2px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -4px rgba(0, 0, 0, 0.1);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.1);

  /* 5. TRANSICIONES */
  --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-base: 200ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 300ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-spring: 500ms cubic-bezier(0.34, 1.56, 0.64, 1);
}

/* ========================================
   DARK MODE
   ======================================== */
@layer base {
  :root.dark, .dark {
    /* 1. AZUL (Primario) - Ligeramente más brillante en oscuro */
    --color-primary: #60A5FA;
    --color-primary-hover: #3B82F6;
    --color-primary-active: #2563EB;
    --color-primary-disabled: #1E3A8A;
    --color-primary-faint: #172554;
    --color-primary-subtle: #1E3A8A;
    --color-primary-foreground: #FFFFFF;

    /* 2. FONDOS Y GRISES (Tonos oscuros) */
    --color-background: #0B1120;
    --color-background-alt: #1E293B;
    --color-background-subtle: #0F172A;
    --color-text: #F8FAFC;
    --color-text-muted: #94A3B8;
    --color-text-subtle: #64748B;
    --color-border: #334155;
    --color-border-subtle: #1E293B;
    --color-border-light: #0F172A;
    --color-overlay: rgba(0, 0, 0, 0.8);

    /* 3. SEMÁNTICOS (Alertas) */
    --color-destructive: #EF4444;
    --color-destructive-hover: #F87171;
    --color-destructive-background: #450A0A;
    --color-destructive-border: #7F1D1D;
    --color-destructive-foreground: #FECACA;

    --color-success: #10B981;
    --color-success-hover: #34D399;
    --color-success-background: #064E3B;
    --color-success-border: #065F46;
    --color-success-foreground: #A7F3D0;

    --color-warning: #F59E0B;
    --color-warning-background: #78350F;
    --color-warning-border: #92400E;
    --color-warning-foreground: #FDE68A;

    --color-info: #0EA5E9;
    --color-info-background: #082F49;
    --color-info-border: #0C4A6E;
    --color-info-foreground: #BAE6FD;
  }
}

/* ========================================
   BASE STYLES - Reset y configuración base
   ======================================== */
* {
  border-color: var(--color-border-subtle);
}

html {
  font-feature-settings: "cv02", "cv03", "cv04", "cv11";
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  background-color: var(--color-background-subtle);
  color: var(--color-text);
}

/* ========================================
   FOCUS STATES - Accesibilidad mejorada
   ======================================== */
:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
  border-radius: 4px;
}

button:focus-visible,
a:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

/* ========================================
   SCROLLBARS - Personalizadas
   ======================================== */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

::-webkit-scrollbar-track {
  background: var(--color-background-alt);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb {
  background: var(--color-text-subtle);
  border-radius: 4px;
}

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

/* ========================================
   SELECTION - Texto seleccionado
   ======================================== */
::selection {
  background-color: var(--color-primary-subtle);
  color: var(--color-text);
}

/* ========================================
   ANIMATIONS - Utilidades de animación
   ======================================== */
@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes fadeOut {
  from { opacity: 1; }
  to { opacity: 0; }
}

@keyframes slideUp {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes slideDown {
  from {
    opacity: 0;
    transform: translateY(-10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes slideInRight {
  from {
    opacity: 0;
    transform: translateX(100%);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes scaleIn {
  from {
    opacity: 0;
    transform: scale(0.95);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

@keyframes spin {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

@keyframes bounce {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-5px); }
}

.animate-fade-in { animation: fadeIn var(--transition-base) ease-out; }
.animate-fade-out { animation: fadeOut var(--transition-base) ease-out; }
.animate-slide-up { animation: slideUp var(--transition-slow) ease-out; }
.animate-slide-down { animation: slideDown var(--transition-slow) ease-out; }
.animate-slide-in-right { animation: slideInRight var(--transition-slow) ease-out; }
.animate-scale-in { animation: scaleIn var(--transition-spring) ease-out; }
.animate-spin { animation: spin 1s linear infinite; }
.animate-pulse { animation: pulse 2s cubic-bezier(0.4, 0, 0.6, 1) infinite; }
.animate-bounce { animation: bounce 1s ease-in-out infinite; }

/* ========================================
   SKELETON LOADING - Placeholder de carga
   ======================================== */
@keyframes shimmer {
  0% { background-position: -1000px 0; }
  100% { background-position: 1000px 0; }
}

.skeleton {
  background: linear-gradient(
    90deg,
    var(--color-background-alt) 0%,
    var(--color-border-subtle) 50%,
    var(--color-background-alt) 100%
  );
  background-size: 1000px 100%;
  animation: shimmer 2s infinite;
  border-radius: 4px;
}

/* ========================================
   UTILITIES - Clases de utilidad
   ======================================== */
.text-balance { text-wrap: balance; }

/* Focus ring utilities */
.focus-ring {
  transition: outline var(--transition-fast), outline-offset var(--transition-fast);
}

.focus-ring:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

/* Hover card effect */
.hover-card {
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.hover-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

/* Button base styles */
.btn-base {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-weight: 500;
  border-radius: 0.5rem;
  transition: all var(--transition-base);
  cursor: pointer;
  white-space: nowrap;
}

.btn-base:disabled {
  cursor: not-allowed;
  opacity: 0.5;
}

/* Input base styles */
.input-base {
  width: 100%;
  padding: 0.625rem 0.875rem;
  font-size: 0.875rem;
  line-height: 1.5;
  background-color: var(--color-background);
  border: 1px solid var(--color-border-subtle);
  border-radius: 0.5rem;
  transition: all var(--transition-fast);
}

.input-base:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px var(--color-primary-subtle);
  outline: none;
}

.input-base::placeholder {
  color: var(--color-text-subtle);
}

.input-base:disabled {
  background-color: var(--color-background-alt);
  cursor: not-allowed;
  opacity: 0.7;
}

/* Card base styles */
.card-base {
  background-color: var(--color-background);
  border: 1px solid var(--color-border-subtle);
  border-radius: 0.75rem;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-base);
}

/* Badge base styles */
.badge-base {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  padding: 0.25rem 0.625rem;
  font-size: 0.75rem;
  font-weight: 500;
  line-height: 1;
  border-radius: 9999px;
}

/* ========================================
   PRINT STYLES - Estilos para impresión
   ======================================== */
@media print {
  body {
    background-color: white;
  }
  
  .no-print {
    display: none !important;
  }
}

/* ========================================
   REDUCED MOTION - Accesibilidad
   ======================================== */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}