:root {
  /* Color System */
  --primary: #4f46e5;
  --success: #388e3c;
  --success-light: #4caf50;
  --success-lighter: #e8f5e9;
  --danger: #ef4444;
  --warning: #f59e0b;
  --light: #f8f9fa;
  --text-light: #f7f7f7;
  --text-muted: #6c757d;
  --border-color: rgba(0, 0, 0, 0.125);
  
  /* Shadows */
  --shadow-sm: 0 0.125rem 0.25rem rgba(0, 0, 0, 0.075);
  --shadow-md: 0 0.5rem 1rem rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 1rem 3rem rgba(0, 0, 0, 0.175);
  
  /* Transitions */
  --transition-base: all 0.3s ease;
  --transition-transform: transform 0.3s ease;
  
  /* Spacing */
  --card-radius: 0.5rem;
}

/* Navbar - Enhanced for Bootstrap 5 */
.navbar {
  background-color: var(--success);
  border-bottom: 1px solid var(--success-light);
}

.navbar-brand,
.navbar-nav .nav-link {
  color: var(--text-light);
  transition: var(--transition-base);
}

.navbar-brand:hover,
.navbar-brand:focus,
.nav-link:hover,
.nav-link:focus {
  color: var(--success-lighter);
}

.navbar-toggler {
  border-color: var(--success-light);
  padding: 0.375rem;
}

.navbar-toggler:hover {
  background-color: var(--success-light);
}

.navbar-toggler-icon {
  background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba%28247, 247, 247, 0.75%29' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
}

.navbar-nav {
  --bs-nav-link-padding-x: 1rem;
}

.navbar-nav .nav-link.active,
.navbar-nav .nav-link.show {
  color: var(--success-lighter);
  background-color: var(--success-light);
  border-radius: 0.25rem;
}

.dropdown-menu {
  --bs-dropdown-bg: var(--success);
  --bs-dropdown-link-color: var(--text-light);
  --bs-dropdown-link-hover-color: var(--success-lighter);
  --bs-dropdown-link-hover-bg: var(--success-light);
  border: 1px solid var(--text-light);
}

/* Product Cards - Enhanced */
.product-card {
  transition: var(--transition-base);
  border-radius: var(--card-radius);
  overflow: hidden;
  border: 1px solid var(--border-color);
  height: 100%;
  position: relative;
}

.product-card:hover {
  transform: translateY(-0.3125rem);
  box-shadow: var(--shadow-md);
  border-color: var(--success-light);
}

.card-img-container {
  height: 9.375rem;
  background-color: var(--light);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
  position: relative;
}

.card-img-top {
  max-height: 100%;
  max-width: 100%;
  object-fit: contain;
  transition: var(--transition-base);
}

/* Product Information */
.product-info {
  padding: 1rem;
}

.item-title {
  font-size: 1.15rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
  color: var(--bs-dark);
}

.item-price {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--success);
}

.item-number {
  font-size: 0.875rem;
  color: var(--text-muted);
}

/* Stock Indicators */
.stock-indicator {
  position: absolute;
  top: 0.5rem;
  right: 0.5rem;
  z-index: 2;
}

.low-stock-alert {
  position: absolute;
  top: 0.5rem;
  left: 0.5rem;
  color: var(--danger);
  z-index: 2;
}

/* Badges - Enhanced */
.badge {
  --bs-badge-padding-x: 0.65em;
  --bs-badge-padding-y: 0.35em;
  --bs-badge-font-weight: 600;
  font-size: 0.75rem;
}

.badge-stock {
  background-color: var(--success);
}

.badge-warning {
  background-color: var(--warning);
}

.badge-danger {
  background-color: var(--danger);
}

/* Pagination - Enhanced */
.pagination {
  --bs-pagination-color: var(--primary);
  --bs-pagination-active-bg: var(--primary);
  --bs-pagination-active-border-color: var(--primary);
  --bs-pagination-focus-color: var(--primary);
  --bs-pagination-hover-color: var(--primary);
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.25rem;
}

/* Responsive Adjustments */
@media (max-width: 767.98px) {
  .navbar-collapse {
    border-top: 1px solid var(--text-light);
    margin-top: 0.5rem;
    padding-top: 0.5rem;
  }
}

@media (max-width: 575.98px) {
  .product-card {
    max-width: 11.25rem;
    margin-left: auto;
    margin-right: auto;
  }
  
  .card-img-container {
    height: 8rem;
  }
  
  .item-title {
    font-size: 1rem;
  }
  
  .item-price {
    font-size: 1rem;
  }
}

/* Utility Classes */
.object-fit-contain {
  object-fit: contain;
}

.hover-lift {
  transition: var(--transition-transform);
}

.hover-lift:hover {
  transform: translateY(-0.3125rem);
}

.text-success-light {
  color: var(--success-light);
}

.bg-success-light {
  background-color: var(--success-lighter);
}

/* Animation */
@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

.fade-in {
  animation: fadeIn 0.3s ease-in;
}

/* SOLUCIÓN PARA EL PARPADEO */
.navbar {
  z-index: 1030;
  transform: translateZ(0);
  backface-visibility: hidden;
  position: relative;
}

.modal {
  z-index: 1060 !important;
}

.navbar-nav .nav-link {
  transition: none !important;
  pointer-events: auto !important;
}

.modal-backdrop {
  z-index: 1040 !important;
}