:root {
  /* Color — light (default, also [data-theme="light"]) */
  --bg: #F6F7F9;
  --surface: #FFFFFF;
  --surface-alt: #EEF0F5;
  --text-primary: #14161B;
  --text-secondary: #5B616E;
  --text-muted: #8A8F99;
  --border: #E3E5EA;
  --border-strong: #CBCED6;

  --primary: #2952E3;
  --primary-dark: #1C3AA9;
  --primary-light: #E8ECFC;
  --accent: #F2A73B;
  --accent-dark: #C9860F;
  --success: #25B366;
  --success-dark: #1C8F51;
  --success-light: #E4F5EE;
  --danger: #E24C4C;
  --danger-light: #FBE8E8;

  --shadow-sm: 0 1px 2px rgba(20, 22, 27, 0.06);
  --shadow-md: 0 6px 20px rgba(20, 22, 27, 0.08);
  --shadow-lg: 0 20px 48px rgba(20, 22, 27, 0.16);

  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 18px;
  --radius-pill: 999px;

  --font-heading: 'Sora', 'Inter', sans-serif;
  --font-body: 'Inter', sans-serif;

  --transition: 180ms cubic-bezier(0.4, 0, 0.2, 1);
  --header-h: 72px;

  color-scheme: light;
}

html[data-theme="dark"] {
  --bg: #0F1115;
  --surface: #181B21;
  --surface-alt: #20242C;
  --text-primary: #F2F3F5;
  --text-secondary: #9AA0AC;
  --text-muted: #6B7280;
  --border: #2A2E37;
  --border-strong: #363B46;

  --primary: #6683FF;
  --primary-dark: #85A0FF;
  --primary-light: #1C2440;
  --accent: #F5B85C;
  --accent-dark: #D89A3E;
  --success: #3FBE86;
  --success-dark: #59D89C;
  --success-light: #123227;
  --danger: #EF6666;
  --danger-light: #331A1A;

  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 6px 20px rgba(0, 0, 0, 0.35);
  --shadow-lg: 0 20px 48px rgba(0, 0, 0, 0.5);

  color-scheme: dark;
}

/* ==========================================================================
   Reset & base
   ========================================================================== */

*, *::before, *::after { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  font-family: var(--font-body);
  background: var(--bg);
  color: var(--text-primary);
  line-height: 1.5;
  transition: background var(--transition), color var(--transition);
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 {
  font-family: var(--font-heading);
  font-weight: 700;
  margin: 0;
  color: var(--text-primary);
  letter-spacing: -0.01em;
}

p { margin: 0; }
ul { margin: 0; padding: 0; }

button {
  font-family: var(--font-body);
  cursor: pointer;
}

input, textarea, select {
  font-family: var(--font-body);
  color: var(--text-primary);
}

a { color: inherit; }
img { max-width: 100%; display: block; }

.container {
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 24px;
}

/* Focus visibility */
a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible,
select:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
  border-radius: 4px;
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::as {
    animation-duration: 0.001ms !important;
    transition-duration: 0.001ms !important;
  }
}

/* ==========================================================================
   Header
   ========================================================================== */

header {
  position: sticky;
  top: 0;
  z-index: 40;
  height: var(--header-h);
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  backdrop-filter: saturate(180%) blur(8px);
}

.header-content {
  height: 100%;
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  gap: 24px;
}

.logo {
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 21px;
  color: var(--primary);
  cursor: pointer;
  white-space: nowrap;
  letter-spacing: -0.02em;
}

.search-bar {
  flex: 1;
  max-width: 520px;
  position: relative;
  display: flex;
  align-items: center;
}

.search-icon {
  position: absolute;
  left: 14px;
  display: flex;
  color: var(--text-muted);
  pointer-events: none;
}

.search-bar input {
  width: 100%;
  height: 44px;
  padding: 0 16px 0 42px;
  border: 1px solid var(--border);
  border-radius: var(--radius-pill);
  background: var(--surface-alt);
  font-size: 14px;
  transition: border-color var(--transition), background var(--transition);
}

.search-bar input:focus {
  outline: none;
  border-color: var(--primary);
  background: var(--surface);
}

.search-bar input::placeholder { color: var(--text-muted); }

.header-controls {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-left: auto;
}

.cart-btn,
.theme-toggle,
.filter-btn,
.back-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: transparent;
  border: 1px solid transparent;
  color: var(--text-primary);
}

.cart-btn,
.theme-toggle {
  position: relative;
  width: 42px;
  height: 42px;
  justify-content: center;
  border-radius: var(--radius-pill);
  border: 1px solid var(--border);
  background: var(--surface);
  transition: border-color var(--transition), transform var(--transition), background var(--transition);
}

.cart-btn:hover,
.theme-toggle:hover {
  border-color: var(--primary);
  color: var(--primary);
}

.cart-badge {
  position: absolute;
  top: -4px;
  right: -4px;
  min-width: 18px;
  height: 18px;
  padding: 0 4px;
  border-radius: var(--radius-pill);
  background: var(--accent);
  color: #1A1300;
  font-size: 11px;
  font-weight: 700;
  align-items: center;
  justify-content: center;
  line-height: 1;
  /* JS sets display:flex/none directly; base state is hidden via inline style="display:none" in HTML */
}

/* Theme icon: single sun glyph, morphs into a moon-ish state in dark mode
   purely with CSS (rotate + fewer visible rays via color/opacity) since
   toggleTheme() only swaps the data-theme attribute, not the SVG markup. */
.theme-icon {
  transition: transform 320ms cubic-bezier(0.4, 0, 0.2, 1), color var(--transition);
}

.theme-toggle:hover .theme-icon { transform: rotate(20deg); }

html[data-theme="dark"] .theme-icon {
  transform: rotate(180deg) scale(0.9);
  color: var(--accent);
}

html[data-theme="dark"] .theme-toggle:hover .theme-icon {
  transform: rotate(200deg) scale(0.9);
}

.filter-btn {
  height: 42px;
  padding: 0 16px;
  border-radius: var(--radius-pill);
  border: 1px solid var(--border);
  background: var(--surface);
  font-size: 14px;
  font-weight: 600;
  transition: border-color var(--transition), color var(--transition), background var(--transition);
}

.filter-btn:hover,
.filter-btn.is-active {
  border-color: var(--primary);
  color: var(--primary);
  background: var(--primary-light);
}

/* the base markup ships class="filter-btn show" so it is visible by default;
   the rule below just guards against a future JS toggle of "show" */
.filter-btn:not(.show) { display: none; }

/* ==========================================================================
   Sidebar (filter drawer) — toggled via sidebar.classList.toggle('active')
   ========================================================================== */

.sidebar {
  position: fixed;
  top: 0;
  right: 0;
  height: 100%;
  width: 320px;
  max-width: 88vw;
  background: var(--surface);
  border-left: 1px solid var(--border);
  padding: 24px;
  z-index: 60;
  transform: translateX(100%);
  transition: transform 260ms cubic-bezier(0.4, 0, 0.2, 1);
  overflow-y: auto;
  box-shadow: var(--shadow-lg);
}

.sidebar.active { transform: translateX(0); }

.sidebar-title {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 15px;
  margin: 20px 0 12px;
}

.sidebar-title:first-of-type { margin-top: 4px; }

.filter-group {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.filter-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 10px;
  border-radius: var(--radius-sm);
  transition: background var(--transition);
}

.filter-item:hover { background: var(--surface-alt); }

.filter-item label {
  font-size: 14px;
  color: var(--text-secondary);
  cursor: pointer;
}

.filter-item input[type="checkbox"] {
  accent-color: var(--primary);
  width: 16px;
  height: 16px;
  cursor: pointer;
}

.price-range {
  display: flex;
  align-items: center;
  gap: 10px;
}

.price-range input {
  width: 100%;
  height: 42px;
  padding: 0 12px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--surface-alt);
  font-size: 14px;
}

.price-range input:focus {
  outline: none;
  border-color: var(--primary);
  background: var(--surface);
}

.apply-filters-btn {
  width: 100%;
  height: 46px;
  margin-top: 24px;
  border: none;
  border-radius: var(--radius-sm);
  background: var(--primary);
  color: #fff;
  font-weight: 600;
  font-size: 14px;
  transition: background var(--transition), transform var(--transition);
}

.apply-filters-btn:hover { background: var(--primary-dark); }
.apply-filters-btn:active { transform: scale(0.98); }

/* ==========================================================================
   Shared buttons
   ========================================================================== */

.btn-primary,
.cart-add-btn,
.order-btn,
.apply-filters-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border: none;
  border-radius: var(--radius-sm);
  font-weight: 600;
  transition: background var(--transition), transform var(--transition), box-shadow var(--transition);
}

.cart-add-btn,
.order-btn,
.copy-link-btn {
  height: 46px;
  padding: 0 20px;
  font-size: 14px;
}

.cart-add-btn {
  background: var(--primary);
  color: #fff;
}

.cart-add-btn:hover { background: var(--primary-dark); box-shadow: var(--shadow-sm); }

.order-btn {
  background: linear-gradient(135deg, #2fcf74 0%, var(--success) 100%);
  color: #fff;
  box-shadow: 0 10px 20px rgba(37, 179, 102, 0.25);
}

.order-btn:hover { background: linear-gradient(135deg, #2bbd6c 0%, var(--success-dark) 100%); box-shadow: 0 12px 24px rgba(37, 179, 102, 0.3); }

.copy-link-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-sm);
  background: var(--surface);
  color: var(--text-primary);
}

.copy-link-btn:hover { border-color: var(--primary); color: var(--primary); }

.cart-add-btn:active,
.order-btn:active,
.copy-link-btn:active { transform: scale(0.98); }

.back-btn {
  height: 40px;
  padding: 0 6px;
  font-size: 14px;
  font-weight: 600;
  color: var(--text-secondary);
  margin: 20px 0 12px;
}

.back-btn:hover { color: var(--primary); }

/* ==========================================================================
   Home page / top bar
   ========================================================================== */

.home-page .container,
.search-page .container,
.cart-page .container,
.detail-page .container { padding-top: 28px; padding-bottom: 64px; }

.top-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 24px;
  flex-wrap: wrap;
}

.sort-select {
  height: 42px;
  padding: 0 36px 0 14px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--surface) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='14' viewBox='0 0 24 24' fill='none' stroke='%235B616E' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E") no-repeat right 12px center;
  appearance: none;
  font-size: 14px;
  font-weight: 500;
  color: var(--text-primary);
  cursor: pointer;
  transition: border-color var(--transition);
}

.sort-select:focus { outline: none; border-color: var(--primary); }

/* ==========================================================================
   Product grid & cards — markup from renderProducts()/goToSearch()
   ========================================================================== */

.products-grid,
.search-results-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(228px, 1fr));
  gap: 20px;
}

.product-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  overflow: hidden;
  cursor: pointer;
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
  display: flex;
  flex-direction: column;
}

.product-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
  border-color: var(--border-strong);
}

.product-image {
  aspect-ratio: 1 / 1;
  background: var(--surface-alt);
  overflow: hidden;
}

.product-image img { transition: transform 400ms ease; }
.product-card:hover .product-image img { transform: scale(1.05); }

.product-info {
  padding: 14px 16px 16px;
  display: flex;
  flex-direction: column;
  gap: 5px;
  flex: 1;
}

.product-category {
  font-size: 12px;
  color: var(--text-muted);
  font-weight: 500;
  text-transform: capitalize;
}

.product-title {
  font-size: 15px;
  font-weight: 600;
  color: var(--text-primary);
  line-height: 1.35;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.product-price {
  font-family: var(--font-heading);
  font-size: 17px;
  font-weight: 700;
  color: var(--primary);
  margin-top: auto;
  padding-top: 6px;
  display: flex;
  align-items: baseline;
  gap: 8px;
  flex-wrap: wrap;
}

.product-price .price-current {
  color: var(--primary);
}

.product-price .price-old,
.detail-price-old {
  font-size: 12px;
  color: var(--text-muted);
  text-decoration: line-through;
  font-weight: 600;
}

.price-discounted {
  align-items: center;
}

.discount-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 4px 8px;
  border-radius: 999px;
  background: rgba(226, 76, 76, 0.12);
  color: var(--danger);
  font-size: 11px;
  font-weight: 700;
  line-height: 1;
}

/* ==========================================================================
   Empty states (products / search)
   ========================================================================== */

.empty-state {
  text-align: center;
  padding: 80px 20px;
  color: var(--text-secondary);
}

.empty-state-icon { font-size: 44px; margin-bottom: 16px; }

.empty-state h2 {
  font-size: 20px;
  margin-bottom: 8px;
  color: var(--text-primary);
}

.empty-state p { font-size: 14px; margin-bottom: 20px; }

.empty-state button {
  height: 44px;
  padding: 0 22px;
  border: none;
  border-radius: var(--radius-sm);
  background: var(--primary);
  color: #fff;
  font-weight: 600;
  font-size: 14px;
  transition: background var(--transition);
}

.empty-state button:hover { background: var(--primary-dark); }

/* ==========================================================================
   Detail page — markup from goToDetail()
   ========================================================================== */

.detail-container {
  display: grid;
  grid-template-columns: minmax(0, 460px) 1fr;
  gap: 48px;
  align-items: start;
}

.detail-images {
  position: sticky;
  top: calc(var(--header-h) + 24px);
}

.main-image {
  aspect-ratio: 1 / 1;
  background: var(--surface-alt);
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border);
}

.thumbnail-images {
  display: flex;
  gap: 10px;
  margin-top: 12px;
  flex-wrap: wrap;
}

.thumbnail {
  width: 64px;
  height: 64px;
  border-radius: var(--radius-sm);
  overflow: hidden;
  border: 2px solid var(--border);
  cursor: pointer;
  opacity: 0.75;
  transition: border-color var(--transition), opacity var(--transition);
}

.thumbnail:hover { opacity: 1; }
.thumbnail.active { border-color: var(--primary); opacity: 1; }

.detail-info { display: flex; flex-direction: column; gap: 14px; }

.detail-category {
  font-size: 13px;
  font-weight: 600;
  color: var(--primary);
  text-transform: capitalize;
}

.detail-title {
  font-size: 28px;
  line-height: 1.25;
}

.detail-price-block {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.detail-price {
  font-family: var(--font-heading);
  font-size: 28px;
  font-weight: 800;
  color: var(--primary);
}

.detail-description {
  font-size: 15px;
  color: var(--text-secondary);
  line-height: 1.7;
  padding-top: 10px;
  border-top: 1px solid var(--border);
}

.detail-features { padding-top: 4px; }

.detail-features h3 {
  font-size: 15px;
  margin-bottom: 10px;
}

.detail-features ul { list-style: none; display: flex; flex-direction: column; gap: 8px; }

.detail-features li {
  position: relative;
  padding-left: 20px;
  font-size: 14px;
  color: var(--text-secondary);
}

.detail-features li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 7px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent);
}

.action-buttons {
  display: flex;
  gap: 12px;
  margin-top: 8px;
  flex-wrap: wrap;
}

.action-buttons .cart-add-btn,
.action-buttons .order-btn { flex: 1; min-width: 160px; }
.action-buttons .copy-link-btn { flex: 0 0 auto; }

/* ==========================================================================
   Search page
   ========================================================================== */

.search-info {
  padding: 4px 0 20px;
  color: var(--text-secondary);
  font-size: 14px;
}

.search-info strong { color: var(--text-primary); }

/* ==========================================================================
   Cart page — markup from renderCart()
   ========================================================================== */

.cart-page-content {
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: 28px;
  align-items: start;
}

.cart-items { display: flex; flex-direction: column; gap: 12px; }

.cart-item {
  display: grid;
  grid-template-columns: 84px 1fr auto;
  gap: 16px;
  align-items: center;
  padding: 14px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
}

.cart-item-image {
  width: 84px;
  height: 84px;
  border-radius: var(--radius-sm);
  overflow: hidden;
  background: var(--surface-alt);
}

.cart-item-info { display: flex; flex-direction: column; gap: 6px; min-width: 0; }

.cart-item-name {
  font-weight: 600;
  font-size: 14px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.cart-item-price {
  font-family: var(--font-heading);
  font-weight: 700;
  color: var(--primary);
  font-size: 15px;
}

.cart-item-actions {
  display: flex;
  flex-direction: column;
  align-items: stretch;
  gap: 8px;
}

.cart-item-order {
  height: 38px;
  padding: 0 16px;
  border: none;
  border-radius: var(--radius-sm);
  background: var(--success);
  color: #fff;
  font-size: 13px;
  font-weight: 600;
  white-space: nowrap;
  transition: background var(--transition), transform var(--transition);
}

.cart-item-order:hover { background: var(--success-dark); }
.cart-item-order:active { transform: scale(0.97); }

.cart-item-delete {
  height: 38px;
  padding: 0 12px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--surface);
  font-size: 15px;
  transition: border-color var(--transition), background var(--transition);
}

.cart-item-delete:hover { border-color: var(--danger); background: var(--danger-light); }

.cart-summary {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 20px;
  position: sticky;
  top: calc(var(--header-h) + 24px);
}

.cart-summary-title {
  font-family: var(--font-heading);
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 16px;
}

.cart-summary-item {
  display: flex;
  justify-content: space-between;
  font-size: 14px;
  color: var(--text-secondary);
  padding: 8px 0;
}

.cart-summary-total {
  display: flex;
  justify-content: space-between;
  font-family: var(--font-heading);
  font-size: 18px;
  font-weight: 700;
  color: var(--text-primary);
  padding-top: 14px;
  margin-top: 8px;
  border-top: 1px solid var(--border);
}

.cart-empty {
  text-align: center;
  padding: 70px 20px;
  color: var(--text-secondary);
}

.cart-empty-icon { font-size: 44px; margin-bottom: 16px; }

.cart-empty h2 { font-size: 20px; margin-bottom: 8px; color: var(--text-primary); }
.cart-empty p { font-size: 14px; margin-bottom: 20px; }

.cart-empty button {
  height: 44px;
  padding: 0 22px;
  border: none;
  border-radius: var(--radius-sm);
  background: var(--primary);
  color: #fff;
  font-weight: 600;
  font-size: 14px;
  transition: background var(--transition);
}

.cart-empty button:hover { background: var(--primary-dark); }

/* ==========================================================================
   Terms of Service Consent Modal
   ========================================================================== */

.terms-overlay {
  position: fixed;
  inset: 0;
  z-index: 200;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 20px;
  background: rgba(10, 11, 14, 0.72);
  backdrop-filter: blur(6px);
}

.terms-overlay.active {
  display: flex;
}

.terms-modal {
  width: min(760px, 100%);
  max-height: 90vh;
  overflow-y: auto;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  padding: 28px;
}

.terms-modal h2 {
  font-size: clamp(24px, 3vw, 32px);
  margin-bottom: 18px;
  color: var(--text-primary);
}

.terms-sections {
  display: flex;
  flex-direction: column;
  gap: 18px;
  margin-bottom: 20px;
}

.terms-section {
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  background: var(--surface-alt);
  padding: 18px 18px 10px;
}

.terms-section h3 {
  margin-bottom: 12px;
  font-size: 18px;
  color: var(--text-primary);
}

.terms-section ol {
  margin: 0;
  padding-left: 20px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  color: var(--text-secondary);
  font-size: 14px;
  line-height: 1.7;
}

.terms-checkbox {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  margin: 18px 0 20px;
  font-size: 14px;
  color: var(--text-primary);
  font-weight: 600;
  cursor: pointer;
}

.terms-checkbox input {
  width: 18px;
  height: 18px;
  margin-top: 2px;
  accent-color: var(--primary);
}

.accept-terms-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 48px;
  border: none;
  border-radius: var(--radius-sm);
  background: var(--primary);
  color: #fff;
  font-size: 15px;
  font-weight: 700;
  transition: background var(--transition), opacity var(--transition), transform var(--transition);
}

.accept-terms-btn:disabled {
  background: var(--border-strong);
  opacity: 0.7;
  cursor: not-allowed;
}

.accept-terms-btn:not(:disabled):hover {
  background: var(--primary-dark);
}

.accept-terms-btn:not(:disabled):active {
  transform: scale(0.99);
}

/* ==========================================================================
   Order modal — toggled via orderModal.classList.add/remove('active')
   ========================================================================== */

.modal-overlay {
  position: fixed;
  inset: 0;
  z-index: 100;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 20px;
  background: rgba(10, 11, 14, 0.5);
  backdrop-filter: blur(4px);
}

.modal-overlay.active { display: flex; }

.modal {
  width: 100%;
  max-width: 520px;
  max-height: 90vh;
  overflow-y: auto;
  background: var(--surface);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  padding: 24px;
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-family: var(--font-heading);
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 20px;
}

.modal-close {
  width: 32px;
  height: 32px;
  border: none;
  background: var(--surface-alt);
  border-radius: var(--radius-pill);
  color: var(--text-secondary);
  font-size: 15px;
  transition: background var(--transition), color var(--transition);
}

.modal-close:hover { background: var(--danger-light); color: var(--danger); }

.product-summary {
  padding: 12px 14px;
  background: var(--surface-alt);
  border-radius: var(--radius-sm);
  margin-bottom: 20px;
  font-size: 14px;
  color: var(--text-secondary);
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.product-summary strong { color: var(--text-primary); }
.product-summary .price strong { color: var(--primary); }

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: 16px;
}

.form-group label {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-secondary);
}

.form-group input,
.form-group textarea,
.form-group select {
  height: 44px;
  padding: 0 14px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--surface-alt);
  font-size: 14px;
  transition: border-color var(--transition), background var(--transition);
}

.form-group textarea {
  height: auto;
  min-height: 84px;
  padding: 12px 14px;
  resize: vertical;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--primary);
  background: var(--surface);
}

.form-group select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='14' viewBox='0 0 24 24' fill='none' stroke='%235B616E' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
  padding-right: 36px;
}

#savedAddressContainer button:hover { opacity: 0.92; }

.modal-actions {
  display: flex;
  gap: 12px;
  margin-top: 8px;
}

.modal-btn {
  flex: 1;
  height: 46px;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 14px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  transition: background var(--transition), border-color var(--transition), color var(--transition), transform var(--transition);
}

.modal-btn.cancel {
  border: 1px solid var(--border-strong);
  background: var(--surface);
  color: var(--text-primary);
}

.modal-btn.cancel:hover { border-color: var(--danger); color: var(--danger); }

.modal-btn.submit {
  border: none;
  background: var(--primary);
  color: #fff;
}

.modal-btn.submit:hover { background: var(--primary-dark); }
.modal-btn:active { transform: scale(0.98); }

/* ==========================================================================
   Page sections — home shows/hides via inline style; others also use
   .active for extra hooks (transitions etc.)
   ========================================================================== */

.detail-page, .search-page, .cart-page { display: none; }
.detail-page.active, .search-page.active, .cart-page.active { display: block; }

/* ==========================================================================
   Responsive
   ========================================================================== */

@media (max-width: 1024px) {
  .detail-container { grid-template-columns: 1fr; gap: 28px; }
  .detail-images { position: static; }
  .cart-page-content { grid-template-columns: 1fr; }
  .cart-summary { position: static; }
}

@media (max-width: 768px) {
  .header-content { flex-wrap: wrap; gap: 10px; padding: 12px 16px; }
  header { height: auto; }
  .logo { font-size: 18px; }
  .search-bar { order: 3; max-width: none; flex-basis: 100%; }
  .search-bar input { height: 40px; }

  .container { padding: 0 16px; }

  .products-grid, .search-results-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
  }

  .product-info { padding: 10px 12px 12px; }
  .product-title { font-size: 13.5px; }
  .product-price { font-size: 16px; }

  .top-bar { gap: 10px; }
  .top-bar h1 { font-size: 22px; }

  .sidebar { width: 100%; max-width: 100%; }

  .form-row { grid-template-columns: 1fr; }
  .modal { padding: 18px; border-radius: var(--radius-md); }

  .detail-title { font-size: 22px; }
  .detail-price { font-size: 22px; }
  .action-buttons {
    flex-direction: row;
    gap: 8px;
    flex-wrap: nowrap;
  }
  .action-buttons .cart-add-btn,
  .action-buttons .order-btn,
  .action-buttons .copy-link-btn {
    min-width: 0;
    width: auto;
    flex: 1 1 0;
    padding: 0 12px;
    font-size: 12.5px;
  }
  .action-buttons .copy-link-btn { flex: 0 0 auto; }

  .cart-item { grid-template-columns: 64px 1fr; grid-template-rows: auto auto; }
  .cart-item-image { width: 64px; height: 64px; }
  .cart-item-actions { grid-column: 2; flex-direction: row; }
}

@media (max-width: 480px) {
  .products-grid, .search-results-grid { grid-template-columns: repeat(2, 1fr); gap: 10px; }
}