/* Smooth scrolling */
html { scroll-behavior: smooth; }

/* Line clamp utilities */
.line-clamp-2 {
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.line-clamp-3 {
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* Custom scrollbar */
::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: #f1f5f9; }
::-webkit-scrollbar-thumb { background: #94a3b8; border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: #64748b; }

/* Focus visible */
*:focus-visible {
  outline: 2px solid #0369A1;
  outline-offset: 2px;
  border-radius: 2px;
}

/* Cart toast animation */
.cart-toast {
  animation: slideIn 0.3s ease-out;
}
@keyframes slideIn {
  from { transform: translateY(100px); opacity: 0; }
  to { transform: translateY(0); opacity: 1; }
}

/* Header scroll shadow */
.header-scrolled {
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
}

/* Skeleton loading */
@keyframes shimmer {
  0% { background-position: -200% 0; }
  100% { background-position: 200% 0; }
}
.skeleton {
  background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite;
}

/* Skip to main content link */
.skip-link {
  position: absolute;
  top: -40px;
  left: 0;
  background: #0F172A;
  color: white;
  padding: 8px 16px;
  z-index: 100;
  border-radius: 0 0 4px 0;
  font-weight: 600;
  transition: top 0.2s;
}
.skip-link:focus {
  top: 0;
}

/* Product card image hover */
.product-card img {
  transition: transform 0.5s ease-out;
}

/* Stagger animation for product grid */
.product-card {
  opacity: 0;
  animation: fadeInUp 0.4s ease-out forwards;
}
.product-card:nth-child(1) { animation-delay: 0.02s; }
.product-card:nth-child(2) { animation-delay: 0.06s; }
.product-card:nth-child(3) { animation-delay: 0.10s; }
.product-card:nth-child(4) { animation-delay: 0.14s; }
.product-card:nth-child(5) { animation-delay: 0.18s; }
.product-card:nth-child(6) { animation-delay: 0.22s; }

@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(12px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Print styles */
@media print {
  .no-print { display: none !important; }
}

/* Number input hide spinner */
input[type="number"]::-webkit-inner-spin-button,
input[type="number"]::-webkit-outer-spin-button {
  -webkit-appearance: none;
  margin: 0;
}
input[type="number"] {
  -moz-appearance: textfield;
}

/* Toast notification */
.toast-notification {
  animation: toastIn 0.3s ease-out, toastOut 0.3s ease-in 2.2s forwards;
}
@keyframes toastIn {
  from { transform: translateY(16px); opacity: 0; }
  to { transform: translateY(0); opacity: 1; }
}
@keyframes toastOut {
  from { opacity: 1; }
  to { opacity: 0; }
}