* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: 'Amazon Ember', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Product Card */
.product-card {
  background: white;
  border-radius: 8px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
  overflow: hidden;
  cursor: pointer;
  transition: all 0.3s ease;
  border: 1px solid #e5e7eb;
}

.product-card:hover {
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
  transform: translateY(-4px);
}

.product-card img {
  transition: transform 0.5s ease;
}

.product-card:hover img {
  transform: scale(1.08);
}

/* Line clamp for product names */
.line-clamp-2 {
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  line-clamp: 2;
  min-height: 48px;
}

/* Loading spinner */
.spinner {
  border: 3px solid rgba(59, 130, 246, 0.2);
  border-left-color: #3b82f6;
  border-radius: 50%;
  width: 40px;
  height: 40px;
  animation: spin 0.8s linear infinite;
}

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

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

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

::-webkit-scrollbar-track {
  background: #f1f5f9;
}

::-webkit-scrollbar-thumb {
  background: #94a3b8;
  border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
  background: #64748b;
}

/* Responsive adjustments */
@media (max-width: 640px) {
  .product-card img {
    height: 160px;
  }
  
  .line-clamp-2 {
    font-size: 14px;
    min-height: 40px;
  }
  
  .product-card .text-2xl {
    font-size: 1.25rem;
  }
}

/* Focus states for accessibility */
button:focus,
input:focus,
select:focus {
  outline: 2px solid #3b82f6;
  outline-offset: 2px;
}

/* Gradient animations */
@keyframes gradient-shift {
  0% {
    background-position: 0% 50%;
  }
  50% {
    background-position: 100% 50%;
  }
  100% {
    background-position: 0% 50%;
  }
}

/* Hover effect for buttons */
button {
  position: relative;
  overflow: hidden;
}

button::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.3);
  transform: translate(-50%, -50%);
  transition: width 0.6s, height 0.6s;
}

button:active::before {
  width: 300px;
  height: 300px;
}

/* Image loading skeleton */
.product-card img[src=""] {
  background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
  background-size: 200% 100%;
  animation: loading 1.5s infinite;
}

@keyframes loading {
  0% {
    background-position: 200% 0;
  }
  100% {
    background-position: -200% 0;
  }
}