/* ================================
   🛠️ UTILITY CLASSES
   Garantía de contraste WCAG AAA
   ================================ */

/* ================================
   LAYOUT - MAIN CONTENT SPACING
   Fix para evitar que navbar tape contenido
   ================================ */
.modern-main {
  /* Compensar el navbar fixed - el contenido empieza justo debajo */
  margin-top: var(--header-height, 4rem);
  min-height: calc(100vh - var(--header-height, 4rem));
}

/* Mobile: compensar también el bottom nav */
@media (max-width: 1023px) {
  .modern-main {
    margin-bottom: var(--bottom-nav-height, 4rem);
    min-height: calc(100vh - var(--header-height, 4rem) - var(--bottom-nav-height, 4rem));
  }
}

/* ================================
   COLORES DE TEXTO
   ================================ */
.text-primary {
  color: var(--text-primary) !important;
}

.text-secondary {
  color: var(--text-secondary) !important;
}

.text-muted {
  color: var(--text-muted) !important;
}

.text-inverse {
  color: var(--text-inverse) !important;
}

.text-disabled {
  color: var(--text-disabled) !important;
}

/* Textos sobre colores de marca */
.text-on-primary {
  color: var(--text-on-primary) !important;
}

.text-on-secondary {
  color: var(--text-on-secondary) !important;
}

.text-on-accent {
  color: var(--text-on-accent) !important;
}

/* Textos de estado */
.text-success {
  color: var(--success) !important;
}

.text-warning {
  color: var(--warning) !important;
}

.text-danger {
  color: var(--danger) !important;
}

.text-info {
  color: var(--info) !important;
}

.text-on-success {
  color: var(--text-on-success) !important;
}

.text-on-warning {
  color: var(--text-on-warning) !important;
}

.text-on-danger {
  color: var(--text-on-danger) !important;
}

/* ================================
   COLORES DE FONDO
   ================================ */
.bg-primary {
  background-color: var(--bg-primary) !important;
  color: var(--text-primary) !important;
}

.bg-secondary {
  background-color: var(--bg-secondary) !important;
  color: var(--text-primary) !important;
}

.bg-tertiary {
  background-color: var(--bg-tertiary) !important;
  color: var(--text-primary) !important;
}

.bg-hover {
  background-color: var(--bg-hover) !important;
}

/* Fondos de marca con texto contrastante */
.bg-brand-primary {
  background: var(--primary) !important;
  color: var(--text-on-primary) !important;
}

.bg-brand-secondary {
  background: var(--secondary) !important;
  color: var(--text-on-secondary) !important;
}

.bg-brand-accent {
  background: var(--accent) !important;
  color: var(--text-on-accent) !important;
}

/* Fondos de estado con texto contrastante */
.bg-success {
  background-color: var(--success-bg) !important;
  color: var(--success) !important;
  border-color: var(--success-border) !important;
}

.bg-success-solid {
  background: var(--success) !important;
  color: var(--text-on-success) !important;
}

.bg-warning {
  background-color: var(--warning-bg) !important;
  color: var(--warning) !important;
  border-color: var(--warning-border) !important;
}

.bg-warning-solid {
  background: var(--warning) !important;
  color: var(--text-on-warning) !important;
}

.bg-danger {
  background-color: var(--danger-bg) !important;
  color: var(--danger) !important;
  border-color: var(--danger-border) !important;
}

.bg-danger-solid {
  background: var(--danger) !important;
  color: var(--text-on-danger) !important;
}

.bg-info {
  background-color: var(--info-bg) !important;
  color: var(--info) !important;
  border-color: var(--info-border) !important;
}

/* Fondos con gradiente */
.bg-gradient-primary {
  background: var(--primary-gradient) !important;
  color: var(--text-on-primary) !important;
}

.bg-gradient-secondary {
  background: var(--secondary-gradient) !important;
  color: var(--text-on-secondary) !important;
}

.bg-gradient-hero {
  background: var(--hero-gradient) !important;
  color: var(--text-on-primary) !important;
}

/* Glass morphism */
.bg-glass {
  background: var(--glass-bg) !important;
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid var(--glass-border) !important;
  color: var(--text-primary) !important;
}

.bg-glass-strong {
  background: var(--glass-bg-strong) !important;
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid var(--glass-border) !important;
  color: var(--text-primary) !important;
}

/* ================================
   BORDES
   ================================ */
.border {
  border: 1px solid var(--border) !important;
}

.border-light {
  border-color: var(--border-light) !important;
}

.border-dark {
  border-color: var(--border-dark) !important;
}

.border-primary {
  border-color: var(--primary) !important;
}

.border-secondary {
  border-color: var(--secondary) !important;
}

.border-success {
  border-color: var(--success) !important;
}

.border-warning {
  border-color: var(--warning) !important;
}

.border-danger {
  border-color: var(--danger) !important;
}

.border-info {
  border-color: var(--info) !important;
}

/* Divider */
.divider {
  border-color: var(--divider) !important;
}

/* ================================
   SOMBRAS
   ================================ */
.shadow-none {
  box-shadow: none !important;
}

.shadow-sm {
  box-shadow: var(--shadow-sm) !important;
}

.shadow {
  box-shadow: var(--shadow) !important;
}

.shadow-md {
  box-shadow: var(--shadow-md) !important;
}

.shadow-lg {
  box-shadow: var(--shadow-lg) !important;
}

.shadow-xl {
  box-shadow: var(--shadow-xl) !important;
}

.shadow-2xl {
  box-shadow: var(--shadow-2xl) !important;
}

.glow {
  box-shadow: var(--glow) !important;
}

.glow-strong {
  box-shadow: var(--glow-strong) !important;
}

/* ================================
   BORDER RADIUS
   ================================ */
.rounded-none {
  border-radius: var(--radius-none) !important;
}

.rounded-sm {
  border-radius: var(--radius-sm) !important;
}

.rounded {
  border-radius: var(--radius) !important;
}

.rounded-md {
  border-radius: var(--radius-md) !important;
}

.rounded-lg {
  border-radius: var(--radius-lg) !important;
}

.rounded-xl {
  border-radius: var(--radius-xl) !important;
}

.rounded-2xl {
  border-radius: var(--radius-2xl) !important;
}

.rounded-3xl {
  border-radius: var(--radius-3xl) !important;
}

.rounded-full {
  border-radius: var(--radius-full) !important;
}

/* ================================
   COMPONENTES CON CONTRASTE GARANTIZADO
   ================================ */

/* Cards */
.card-safe {
  background: var(--bg-primary) !important;
  color: var(--text-primary) !important;
  border: 1px solid var(--border) !important;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
}

.card-safe:hover {
  background: var(--bg-hover) !important;
  box-shadow: var(--shadow-md);
}

/* Buttons con contraste garantizado */
.btn-safe-primary {
  background: var(--primary) !important;
  color: var(--text-on-primary) !important;
  border: 1px solid var(--primary) !important;
  font-weight: var(--font-semibold);
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius);
  transition: var(--transition);
  cursor: pointer;
}

.btn-safe-primary:hover {
  background: var(--primary-dark) !important;
  border-color: var(--primary-dark) !important;
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.btn-safe-secondary {
  background: var(--secondary) !important;
  color: var(--text-on-secondary) !important;
  border: 1px solid var(--secondary) !important;
  font-weight: var(--font-semibold);
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius);
  transition: var(--transition);
  cursor: pointer;
}

.btn-safe-secondary:hover {
  background: var(--secondary-dark) !important;
  border-color: var(--secondary-dark) !important;
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.btn-safe-outline {
  background: transparent !important;
  color: var(--text-primary) !important;
  border: 2px solid var(--border) !important;
  font-weight: var(--font-semibold);
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius);
  transition: var(--transition);
  cursor: pointer;
}

.btn-safe-outline:hover {
  background: var(--bg-hover) !important;
  border-color: var(--primary) !important;
  color: var(--primary) !important;
}

.btn-safe-ghost {
  background: transparent !important;
  color: var(--text-primary) !important;
  border: none !important;
  font-weight: var(--font-semibold);
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius);
  transition: var(--transition);
  cursor: pointer;
}

.btn-safe-ghost:hover {
  background: var(--bg-hover) !important;
}

/* Inputs con contraste garantizado */
.input-safe {
  background: var(--bg-primary) !important;
  color: var(--text-primary) !important;
  border: 1px solid var(--border) !important;
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius);
  font-size: var(--text-base);
  transition: var(--transition);
  width: 100%;
}

.input-safe:focus {
  outline: none;
  border-color: var(--primary) !important;
  box-shadow: 0 0 0 3px hsla(var(--primary-h), var(--primary-s), var(--primary-l), 0.1);
}

.input-safe::placeholder {
  color: var(--text-muted) !important;
  opacity: 0.7;
}

.input-safe:disabled {
  background: var(--bg-disabled) !important;
  color: var(--text-disabled) !important;
  cursor: not-allowed;
}

/* Badges con contraste garantizado */
.badge-safe {
  display: inline-flex;
  align-items: center;
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-full);
  font-size: var(--text-sm);
  font-weight: var(--font-semibold);
  line-height: 1;
}

.badge-safe.badge-primary {
  background: var(--primary) !important;
  color: var(--text-on-primary) !important;
}

.badge-safe.badge-success {
  background: var(--success) !important;
  color: var(--text-on-success) !important;
}

.badge-safe.badge-warning {
  background: var(--warning) !important;
  color: var(--text-on-warning) !important;
}

.badge-safe.badge-danger {
  background: var(--danger) !important;
  color: var(--text-on-danger) !important;
}

.badge-safe.badge-info {
  background: var(--info) !important;
  color: var(--text-inverse) !important;
}

/* Badges con fondo sutil */
.badge-safe.badge-subtle-success {
  background: var(--success-bg) !important;
  color: var(--success) !important;
  border: 1px solid var(--success-border) !important;
}

.badge-safe.badge-subtle-warning {
  background: var(--warning-bg) !important;
  color: var(--warning) !important;
  border: 1px solid var(--warning-border) !important;
}

.badge-safe.badge-subtle-danger {
  background: var(--danger-bg) !important;
  color: var(--danger) !important;
  border: 1px solid var(--danger-border) !important;
}

.badge-safe.badge-subtle-info {
  background: var(--info-bg) !important;
  color: var(--info) !important;
  border: 1px solid var(--info-border) !important;
}

/* Tables con contraste garantizado */
.table-safe {
  width: 100%;
  background: var(--bg-primary) !important;
  color: var(--text-primary) !important;
  border-collapse: collapse;
}

.table-safe thead {
  background: var(--bg-secondary) !important;
  color: var(--text-primary) !important;
  border-bottom: 2px solid var(--border) !important;
}

.table-safe th {
  padding: var(--space-3) var(--space-4);
  text-align: left;
  font-weight: var(--font-semibold);
  font-size: var(--text-sm);
  color: var(--text-primary) !important;
}

.table-safe tbody tr {
  background: var(--bg-primary) !important;
  color: var(--text-primary) !important;
  border-bottom: 1px solid var(--border) !important;
  transition: var(--transition-fast);
}

.table-safe tbody tr:hover {
  background: var(--bg-hover) !important;
}

.table-safe td {
  padding: var(--space-3) var(--space-4);
  color: var(--text-primary) !important;
}

/* Alternating row colors */
.table-safe.table-striped tbody tr:nth-child(even) {
  background: var(--bg-secondary) !important;
}

.table-safe.table-striped tbody tr:nth-child(even):hover {
  background: var(--bg-hover) !important;
}

/* Alerts con contraste garantizado */
.alert-safe {
  padding: var(--space-4);
  border-radius: var(--radius-lg);
  border-width: 1px;
  border-style: solid;
  font-size: var(--text-sm);
  line-height: var(--leading-relaxed);
}

.alert-safe.alert-success {
  background: var(--success-bg) !important;
  color: var(--success) !important;
  border-color: var(--success-border) !important;
}

.alert-safe.alert-warning {
  background: var(--warning-bg) !important;
  color: var(--warning) !important;
  border-color: var(--warning-border) !important;
}

.alert-safe.alert-danger {
  background: var(--danger-bg) !important;
  color: var(--danger) !important;
  border-color: var(--danger-border) !important;
}

.alert-safe.alert-info {
  background: var(--info-bg) !important;
  color: var(--info) !important;
  border-color: var(--info-border) !important;
}

/* Modals con contraste garantizado */
.modal-safe {
  background: var(--bg-primary) !important;
  color: var(--text-primary) !important;
  border: 1px solid var(--border) !important;
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-2xl);
}

.modal-safe .modal-header {
  background: var(--bg-secondary) !important;
  color: var(--text-primary) !important;
  border-bottom: 1px solid var(--border) !important;
  padding: var(--space-4) var(--space-6);
  border-radius: var(--radius-xl) var(--radius-xl) 0 0;
}

.modal-safe .modal-body {
  background: var(--bg-primary) !important;
  color: var(--text-primary) !important;
  padding: var(--space-6);
}

.modal-safe .modal-footer {
  background: var(--bg-secondary) !important;
  color: var(--text-primary) !important;
  border-top: 1px solid var(--border) !important;
  padding: var(--space-4) var(--space-6);
  border-radius: 0 0 var(--radius-xl) var(--radius-xl);
}

/* ================================
   RESPONSIVE UTILITIES
   ================================ */

/* Mostrar/ocultar por breakpoint */
.mobile-only {
  display: block !important;
}

.tablet-up {
  display: none !important;
}

.desktop-only {
  display: none !important;
}

@media (min-width: 640px) {
  .mobile-only {
    display: none !important;
  }

  .tablet-up {
    display: block !important;
  }
}

@media (min-width: 1024px) {
  .desktop-only {
    display: block !important;
  }
}

/* ================================
   ACCESIBILIDAD
   ================================ */

/* Skip link para navegación por teclado */
.skip-link {
  position: absolute;
  top: -40px;
  left: 0;
  background: var(--primary) !important;
  color: var(--text-on-primary) !important;
  padding: var(--space-2) var(--space-4);
  text-decoration: none;
  border-radius: var(--radius);
  z-index: var(--z-top);
}

.skip-link:focus {
  top: 0;
}

/* Screen reader only */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border-width: 0;
}

/* Focus visible para navegación por teclado */
.focus-visible:focus-visible {
  outline: 2px solid var(--primary) !important;
  outline-offset: 2px;
  border-radius: var(--radius-sm);
}

/* ================================
   PERFORMANCE OPTIMIZATIONS
   ================================ */

/* Optimización de will-change */
.will-change-transform {
  will-change: transform;
}

.will-change-opacity {
  will-change: opacity;
}

/* GPU acceleration */
.gpu-accelerated {
  transform: translateZ(0);
  -webkit-transform: translateZ(0);
}

/* Prevent layout shift */
.prevent-shift {
  content-visibility: auto;
  contain-intrinsic-size: auto 500px;
}

/* ================================
   DARK MODE SPECIFIC FIXES
   ================================ */

/* Override cualquier color hardcodeado peligroso */
[data-theme="dark"] .force-theme-color {
  color: var(--text-primary) !important;
  background: var(--bg-primary) !important;
}

[data-theme="dark"] .force-theme-text {
  color: var(--text-primary) !important;
}

[data-theme="dark"] .force-theme-bg {
  background: var(--bg-primary) !important;
}

/* Asegurar que los links sean visibles en ambos temas */
a.safe-link {
  color: var(--primary) !important;
  text-decoration: underline;
  text-decoration-color: hsla(var(--primary-h), var(--primary-s), var(--primary-l), 0.3);
  text-underline-offset: 2px;
  transition: var(--transition-fast);
}

a.safe-link:hover {
  color: var(--primary-dark) !important;
  text-decoration-color: var(--primary-dark);
}

a.safe-link:visited {
  color: hsl(var(--primary-h), var(--primary-s), calc(var(--primary-l) - 10%)) !important;
}

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