:root {
  --color-primary: #1E293B;
  --color-accent: #DC2626;
  --color-background: #F8FAFC;
  --color-foreground: #0F172A;
  --color-muted: #E9EDF1;
  --color-border: #E2E8F0;
  --font-heading: 'Rubik', sans-serif;
  --font-body: 'Nunito Sans', sans-serif;
}

* { box-sizing: border-box; }

body {
  font-family: var(--font-body);
  background-color: var(--color-background);
  color: var(--color-foreground);
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
}

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

/* Product card hover */
.product-card {
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.product-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 24px rgba(0, 0, 0, 0.1);
}

/* Buttons */
.btn-primary {
  background-color: var(--color-primary);
  color: white;
  transition: opacity 0.2s ease;
}
.btn-primary:hover { opacity: 0.9; }

.btn-accent {
  background-color: var(--color-accent);
  color: white;
  transition: opacity 0.2s ease;
}
.btn-accent:hover { opacity: 0.9; }

/* Cart badge */
.cart-badge {
  background-color: var(--color-accent);
  animation: badge-pulse 0.4s ease;
}
@keyframes badge-pulse {
  0% { transform: scale(1); }
  50% { transform: scale(1.3); }
  100% { transform: scale(1); }
}

/* Category card */
.category-card {
  transition: transform 0.2s ease, box-shadow 0.2s ease;
  cursor: pointer;
}
.category-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 16px rgba(0, 0, 0, 0.08);
}

/* Custom scrollbar */
::-webkit-scrollbar { width: 8px; height: 8px; }
::-webkit-scrollbar-track { background: var(--color-muted); }
::-webkit-scrollbar-thumb { background: #94A3B8; border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: var(--color-primary); }

/* Focus visible */
*:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

/* Product image placeholder */
.product-img-placeholder {
  background: linear-gradient(135deg, #F1F5F9 0%, #E2E8F0 100%);
  display: flex;
  align-items: center;
  justify-content: center;
}

/* Toast */
.toast {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  padding: 1rem 1.5rem;
  border-radius: 0.75rem;
  color: white;
  font-weight: 600;
  z-index: 9999;
  opacity: 0;
  transform: translateY(1rem);
  transition: opacity 0.3s ease, transform 0.3s ease;
}
.toast.show {
  opacity: 1;
  transform: translateY(0);
}
.toast-success { background-color: #16A34A; }
.toast-error { background-color: var(--color-accent); }

/* Mobile menu */
.mobile-menu {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease;
}
.mobile-menu.open { max-height: 500px; }

/* Accessibility */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}