:root {
  --primary-hover: color-mix(in srgb, var(--primary) 85%, black);
  --primary-light: color-mix(in srgb, var(--primary) 10%, white);
  --primary-dark: color-mix(in srgb, var(--primary) 85%, black);
  --text-on-primary: #fff;
  --success: #10b981;
  --warning: #f59e0b;
  --error: #ef4444;
  --info: #3b82f6;
}

/* ===== Semantic utility classes ===== */
.bg-page { background: var(--bg-page) !important; }
.bg-card { background: var(--bg-card) !important; }
.bg-input { background: var(--bg-input) !important; }
.bg-header { background: var(--bg-header) !important; }
.text-body { color: var(--text-body) !important; }
.text-muted { color: var(--text-muted) !important; }
.text-heading { color: var(--text-heading) !important; }
.border-color { border-color: var(--border-color) !important; }
.border-input { border-color: var(--border-input) !important; }
.bg-primary { background-color: var(--primary) !important; }
.text-primary { color: var(--primary) !important; }
.border-primary { border-color: var(--primary) !important; }
.bg-primary-light { background: var(--primary-light) !important; }
.hover\:text-primary:hover { color: var(--primary) !important; }
.hover\:border-primary:hover { border-color: var(--primary) !important; }
.focus\:ring-primary:focus { --tw-ring-color: var(--primary) !important; }
.file\:bg-primary::file-selector-button { background-color: var(--primary) !important; }
.checked\:bg-primary:checked { background-color: var(--primary) !important; }

.dark .bg-page { background: var(--bg-page) !important; }
.dark .bg-card { background: var(--bg-card) !important; }
.dark .bg-input { background: var(--bg-input) !important; }
.dark .bg-header { background: var(--bg-header) !important; }
.dark .text-body { color: var(--text-body) !important; }
.dark .text-muted { color: var(--text-muted) !important; }
.dark .text-heading { color: var(--text-heading) !important; }
.dark .border-color { border-color: var(--border-color) !important; }
.dark .border-input { border-color: var(--border-input) !important; }

html {
  scroll-behavior: smooth;
}
body {
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

a, button, input, select, textarea {
  transition: all 0.2s ease;
}

/* Hero section */
.hero-gradient {
  background: linear-gradient(135deg, var(--primary), var(--secondary));
}

/* Product card */
.product-card {
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}
.product-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 24px rgba(0,0,0,0.1);
}
.dark .product-card:hover {
  box-shadow: 0 12px 24px rgba(0,0,0,0.3);
}

/* Category cards */
.category-card {
  display: block;
  overflow: hidden;
  border: 1px solid var(--border-color);
  border-radius: 0.75rem;
  background: var(--bg-card);
  box-shadow: 0 1px 2px rgba(15, 23, 42, 0.06);
}
.category-card-media {
  position: relative;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  background: color-mix(in srgb, var(--primary) 8%, var(--bg-input));
}
.category-card-image,
.category-card-fallback {
  width: 100%;
  height: 100%;
}
.category-card-image {
  object-fit: cover;
  transform: scale(1.01);
  transition: transform 0.35s ease;
}
.category-card-fallback {
  display: flex;
  align-items: center;
  justify-content: center;
  background:
    radial-gradient(circle at 20% 20%, color-mix(in srgb, var(--primary) 20%, transparent), transparent 34%),
    linear-gradient(135deg, color-mix(in srgb, var(--primary) 14%, var(--bg-card)), color-mix(in srgb, var(--secondary) 14%, var(--bg-input)));
  color: color-mix(in srgb, var(--primary) 70%, var(--text-heading));
  font-size: 3.5rem;
  font-weight: 800;
}
.category-card-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(0,0,0,0.04), rgba(0,0,0,0.56));
}
.category-card-content {
  position: absolute;
  left: 1rem;
  right: 1rem;
  bottom: 1rem;
  color: white;
}
.category-card-kicker {
  display: inline-flex;
  align-items: center;
  margin-bottom: 0.45rem;
  padding: 0.25rem 0.55rem;
  border-radius: 999px;
  background: color-mix(in srgb, var(--primary) 88%, black);
  color: white;
  font-size: 0.7rem;
  font-weight: 700;
  line-height: 1;
}
.category-card-content h3 {
  margin: 0;
  color: white;
  font-size: 1.25rem;
  font-weight: 800;
  line-height: 1.15;
}
.category-card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  padding: 0.95rem 1rem;
  color: var(--text-heading);
  font-weight: 700;
}
.category-card-action {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 1.9rem;
  height: 1.9rem;
  border-radius: 999px;
  background: var(--primary-light);
  color: var(--primary);
  transition: transform 0.2s ease, background-color 0.2s ease, color 0.2s ease;
}
.category-card:hover {
  transform: translateY(-3px);
  border-color: color-mix(in srgb, var(--primary) 45%, var(--border-color));
  box-shadow: 0 14px 30px rgba(15, 23, 42, 0.11);
}
.category-card:hover .category-card-image {
  transform: scale(1.06);
}
.category-card:hover .category-card-action {
  transform: translateX(2px);
  background: var(--primary);
  color: white;
}
.dark .category-card {
  box-shadow: 0 1px 2px rgba(0,0,0,0.3);
}
.dark .category-card:hover {
  box-shadow: 0 14px 30px rgba(0,0,0,0.35);
}

/* Image placeholder */
.img-placeholder {
  background: linear-gradient(135deg, var(--border-color), color-mix(in srgb, var(--border-color) 80%, black));
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  font-size: 0.875rem;
}
.dark .img-placeholder {
  background: linear-gradient(135deg, color-mix(in srgb, var(--bg-card) 80%, white), var(--bg-card)) !important;
  color: var(--text-muted);
}

/* Cart badge */
.cart-badge {
  position: absolute;
  top: -6px;
  right: -8px;
  background: var(--primary);
  color: white;
  font-size: 0.65rem;
  font-weight: 700;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* Flash message */
.flash {
  animation: flashIn 0.3s ease-out;
  border-radius: 0.5rem;
}
@keyframes flashIn {
  from { opacity: 0; transform: translateY(-10px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Input focus */
input:focus, select:focus, textarea:focus {
  outline: none;
  box-shadow: 0 0 0 2px var(--primary);
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

/* Skeleton loading */
.skeleton {
  background: linear-gradient(90deg, var(--border-color) 25%, color-mix(in srgb, var(--border-color) 70%, white) 50%, var(--border-color) 75%);
  background-size: 200% 100%;
  animation: skeleton 1.5s infinite;
  border-radius: 0.25rem;
}
@keyframes skeleton {
  0% { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

/* Custom scrollbar */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--text-muted); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: color-mix(in srgb, var(--text-muted) 80%, black); }

/* Focus ring utility */
.focus-ring:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
}

/* Star rating color */
.star-rating {
  color: var(--warning);
}

/* Status badges */
.badge-success { background: color-mix(in srgb, var(--success) 15%, white); color: var(--success); }
.badge-warning { background: color-mix(in srgb, var(--warning) 15%, white); color: var(--warning); }
.badge-error { background: color-mix(in srgb, var(--error) 15%, white); color: var(--error); }
.badge-info { background: color-mix(in srgb, var(--info) 15%, white); color: var(--info); }
.badge-primary { background: var(--primary-light); color: var(--primary); }
.dark .badge-success { background: color-mix(in srgb, var(--success) 20%, transparent); }
.dark .badge-warning { background: color-mix(in srgb, var(--warning) 20%, transparent); }
.dark .badge-error { background: color-mix(in srgb, var(--error) 20%, transparent); }
.dark .badge-info { background: color-mix(in srgb, var(--info) 20%, transparent); }
.dark .badge-primary { background: color-mix(in srgb, var(--primary) 20%, transparent); }

/* Primary button */
.btn-primary {
  background-color: var(--primary);
  color: var(--text-on-primary);
  padding: 0.5rem 1.5rem;
  border-radius: 0.5rem;
  font-weight: 600;
  transition: all 0.2s ease;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  border: none;
  cursor: pointer;
}
.btn-primary:hover {
  background-color: var(--primary-hover);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px color-mix(in srgb, var(--primary) 30%, transparent);
}
.btn-primary:active { transform: translateY(0); }

/* Secondary button */
.btn-secondary {
  background-color: var(--secondary);
  color: var(--text-on-primary);
  padding: 0.5rem 1.5rem;
  border-radius: 0.5rem;
  font-weight: 600;
  transition: all 0.2s ease;
  border: none;
  cursor: pointer;
}
.btn-secondary:hover {
  opacity: 0.9;
  transform: translateY(-1px);
  box-shadow: 0 4px 12px color-mix(in srgb, var(--secondary) 30%, transparent);
}