:root {
  font-family: system-ui, Arial, sans-serif;
}
* {
  box-sizing: border-box;
}
body {
  margin: 0;
  line-height: 1.4;
}

a {
  color: inherit;
}
a:focus {
  outline: 2px solid #000;
  outline-offset: 2px;
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
}
.skip-link:focus {
  left: 16px;
  top: 16px;
  background: #fff;
  padding: 8px;
  z-index: 2000;
}

.site-header {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  border-bottom: 1px solid #ddd;
}
.site-title {
  font-weight: 700;
  text-decoration: none;
}
.site-search {
  margin-left: auto;
  display: flex;
  gap: 8px;
  align-items: center;
}
.site-search input {
  padding: 8px;
  border: 1px solid #ccc;
  border-radius: 6px;
}

/* Shopping List */
.cart {
  position: fixed;
  top: 72px;
  right: 16px;
  z-index: 1500;
}

.cart-toggle {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}
.cart-button {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 8px 10px;
  border: 1px solid #ddd;
  background: #fff;
  border-radius: 8px;
  cursor: pointer;
  user-select: none;
}
.cart-total {
  font-weight: 700;
}

.cart-panel {
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  width: 320px;
  max-width: calc(100vw - 32px);
  background: #fff;
  border: 1px solid #ddd;
  border-radius: 10px;
  padding: 12px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.12);

  /* hidden by default */
  opacity: 0;
  transform: translateY(-6px);
  pointer-events: none;
}

/* Show on hover */
.cart:hover .cart-panel,
.cart:focus-within .cart-panel {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}

/* Show on click */
.cart-toggle:checked ~ .cart-panel {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}

.cart-panel h2 {
  margin: 0 0 10px;
  font-size: 16px;
}
.cart-items {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 10px;
}
.cart-item {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 8px;
  align-items: center;
}
.cart-item label {
  font-size: 12px;
  color: #444;
}
.cart-item input {
  width: 70px;
  padding: 6px;
  border: 1px solid #ccc;
  border-radius: 6px;
}

.cart-actions {
  margin-top: 10px;
  display: flex;
  justify-content: flex-end;
}
.cart-actions button {
  padding: 8px 10px;
  border: 1px solid #111;
  background: #111;
  color: #fff;
  border-radius: 8px;
  cursor: pointer;
}

/* Hierarchical Navigation */
.breadcrumb {
  list-style: none;
  padding: 0;
  margin: 12px 0;
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}
.breadcrumb li::after {
  content: ">";
  margin-left: 8px;
}
.breadcrumb li:last-child::after {
  content: "";
}

/* Layout */
.page-wrap {
  padding: 16px;
}
.content-layout {
  display: flex;
  gap: 16px;
  align-items: flex-start;
}
.sidebar {
  width: 220px;
  border: 1px solid #eee;
  border-radius: 10px;
  padding: 12px;
}
.sidebar h2 {
  font-size: 16px;
  margin: 0 0 8px;
}
.category-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 6px;
}
.category-list a {
  text-decoration: none;
  display: block;
  padding: 8px;
  border-radius: 8px;
}
.category-list a[aria-current="page"] {
  background: #f3f3f3;
  font-weight: 700;
}

.main-area {
  flex: 1;
  min-width: 0;
}

/* Product List */
.product-grid {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
}
.product-card {
  flex: 1 1 220px;
  max-width: 260px;
  border: 1px solid #eee;
  border-radius: 10px;
  padding: 12px;
}
.product-card figure {
  margin: 0;
  display: grid;
  gap: 8px;
}
.product-card img {
  width: 100%;
  height: auto;
  border: 1px solid #eee;
  border-radius: 10px;
}
.product-card .price {
  font-weight: 700;
  margin: 8px 0;
}
.product-card button {
  padding: 8px 10px;
  border: 1px solid #111;
  background: #fff;
  border-radius: 8px;
  cursor: pointer;
}

/* Product Detail */
.product-detail {
  border: 1px solid #eee;
  border-radius: 10px;
  padding: 12px;
}
.product-detail header h1 {
  margin: 0 0 6px;
}
.product-detail figure {
  margin: 0;
  display: grid;
  gap: 8px;
}
.product-detail img {
  width: min(520px, 100%);
  height: auto;
  border: 1px solid #eee;
  border-radius: 10px;
}
.product-detail .price {
  font-size: 18px;
  font-weight: 800;
}

/* Footer */
.site-footer {
  border-top: 1px solid #ddd;
  padding: 16px;
}

/* Responsive */
@media (max-width: 760px) {
  .content-layout {
    flex-direction: column;
  }
  .sidebar {
    width: 100%;
  }
  .site-search {
    display: none;
  }
}

/* Search is hidden to place cart on top right */
@media (max-width: 760px) {
  .cart {
    top: 12px;
  }
}

/* Auth pages */
.auth-page { max-width: 400px; margin: 2rem auto; padding: 1rem; }
.auth-form { display: flex; flex-direction: column; gap: 0.75rem; }
.auth-form label { font-weight: bold; margin-top: 0.5rem; }
.auth-form input { padding: 0.5rem; border: 1px solid #ccc; border-radius: 4px; font-size: 1rem; }
.auth-form button { padding: 0.75rem; background: #333; color: #fff; border: none; border-radius: 4px; cursor: pointer; font-size: 1rem; margin-top: 0.5rem; }
.auth-form button:hover { background: #555; }
.error-list .error { color: #c00; background: #fee; padding: 0.5rem; border-radius: 4px; margin-bottom: 0.25rem; }
.user-info { display: flex; align-items: center; gap: 0.75rem; font-size: 0.85rem; }
.user-info a { color: #0066cc; }
.link-btn { background: none; border: none; color: #0066cc; cursor: pointer; font-size: 0.85rem; padding: 0; text-decoration: underline; }

/* Utility classes (replacing inline styles) */
.form-inline { display: inline; }
.admin-link { margin-top: 1rem; }
.form-spacing { margin-top: 0.5rem; }
.product-item { margin-bottom: 1.5rem; }
.product-thumb { max-width: 120px; }