/* =========================================================
   CartNova Design System
   ========================================================= */

:root {
  --primary: #1e3a8a;
  --primary-dark: #13275c;
  --primary-light: #3b5bdb;
  --secondary: #7c3aed;
  --secondary-soft: #ede9fe;
  --background: #f5f7fb;
  --surface: #ffffff;
  --text: #1f2937;
  --muted: #6b7280;
  --success: #16a34a;
  --danger: #dc2626;
  --warning: #d97706;
  --border: #e5e7eb;
  --shadow: 0 8px 24px rgba(15, 23, 42, 0.08);
  --shadow-sm: 0 2px 8px rgba(15, 23, 42, 0.06);
  --radius: 14px;
  --radius-sm: 10px;
  --nav-height: 72px;
  --container: 1200px;
  --font-display: "Sora", "Segoe UI", sans-serif;
  --font-body: "Manrope", "Segoe UI", sans-serif;
  --transition: 0.22s ease;
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --radius-lg: 20px;
  --focus-ring: 0 0 0 3px rgba(59, 91, 219, 0.38);
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  background: var(--background);
  color: var(--text);
  line-height: 1.6;
  min-height: 100vh;
}

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

a {
  color: inherit;
  text-decoration: none;
}

button,
input,
select,
textarea {
  font: inherit;
}

:focus-visible { outline: 3px solid var(--primary-light); outline-offset: 3px; box-shadow: var(--focus-ring); }
button:disabled { cursor: not-allowed; opacity: .58; }

ul {
  list-style: none;
}

.container {
  width: min(100% - 2rem, var(--container));
  margin-inline: auto;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}

/* ---------- Typography ---------- */

h1, h2, h3, h4 {
  font-family: var(--font-display);
  line-height: 1.2;
  color: var(--text);
}

.section-title {
  font-size: clamp(1.5rem, 2.5vw, 2rem);
  margin-bottom: 0.4rem;
}

.section-subtitle {
  color: var(--muted);
  margin-bottom: 1.75rem;
}

.section {
  padding: 4rem 0;
}

.section-alt {
  background: var(--surface);
}

/* ---------- Buttons ---------- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  border: none;
  border-radius: 999px;
  padding: 0.8rem 1.4rem;
  font-weight: 600;
  cursor: pointer;
  transition: transform var(--transition), background var(--transition), box-shadow var(--transition), color var(--transition);
}

.btn:hover {
  transform: translateY(-1px);
}

.btn:active {
  transform: translateY(0);
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  color: #fff;
  box-shadow: 0 8px 18px rgba(30, 58, 138, 0.25);
}

.btn-primary:hover {
  background: linear-gradient(135deg, var(--primary-dark), var(--primary));
}

.btn-secondary {
  background: var(--secondary);
  color: #fff;
}

.btn-outline {
  background: transparent;
  color: var(--primary);
  border: 1.5px solid var(--primary);
}

.btn-outline:hover {
  background: var(--primary);
  color: #fff;
}

.btn-ghost {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--border);
}

.btn-danger {
  background: var(--danger);
  color: #fff;
}

.btn-sm {
  padding: 0.45rem 0.9rem;
  font-size: 0.9rem;
}

.btn-block {
  width: 100%;
}

.btn:disabled {
  opacity: 0.55;
  cursor: not-allowed;
  transform: none;
}

/* ---------- Navbar ---------- */

.navbar {
  position: sticky;
  top: 0;
  z-index: 1000;
  height: var(--nav-height);
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.nav-inner {
  height: 100%;
  display: flex;
  align-items: center;
  gap: 1rem;
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.35rem;
  color: var(--primary);
  flex-shrink: 0;
}

.logo-mark {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  display: grid;
  place-items: center;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  color: #fff;
  font-size: 1rem;
  box-shadow: 0 6px 14px rgba(124, 58, 237, 0.25);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  margin-left: 1rem;
}

.nav-links a {
  padding: 0.45rem 0.8rem;
  border-radius: 999px;
  color: var(--muted);
  font-weight: 600;
  font-size: 0.95rem;
  transition: background var(--transition), color var(--transition);
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--primary);
  background: #eef2ff;
}

.nav-search {
  flex: 1;
  max-width: 420px;
  margin-left: auto;
  position: relative;
}

.nav-search input {
  width: 100%;
  border: 1px solid var(--border);
  background: var(--background);
  border-radius: 999px;
  padding: 0.7rem 1rem 0.7rem 2.6rem;
  outline: none;
  transition: border-color var(--transition), box-shadow var(--transition);
}

.nav-search input:focus {
  border-color: var(--primary-light);
  box-shadow: 0 0 0 3px rgba(59, 91, 219, 0.15);
}

.nav-search-icon {
  position: absolute;
  left: 0.95rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--muted);
  pointer-events: none;
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  margin-left: 0.5rem;
}

.icon-btn {
  position: relative;
  width: 42px;
  height: 42px;
  border-radius: 50%;
  border: 1px solid var(--border);
  background: var(--surface);
  display: grid;
  place-items: center;
  cursor: pointer;
  transition: background var(--transition), border-color var(--transition);
}

.icon-btn:hover {
  background: #eef2ff;
  border-color: #c7d2fe;
}

.badge-count {
  position: absolute;
  top: -4px;
  right: -4px;
  min-width: 18px;
  height: 18px;
  padding: 0 4px;
  border-radius: 999px;
  background: var(--secondary);
  color: #fff;
  font-size: 0.7rem;
  font-weight: 700;
  display: grid;
  place-items: center;
}

.nav-toggle {
  display: none;
  width: 42px;
  height: 42px;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: var(--surface);
  cursor: pointer;
}

.nav-toggle span {
  display: block;
  width: 18px;
  height: 2px;
  margin: 4px auto;
  background: var(--text);
}

/* ---------- Hero ---------- */

.hero {
  position: relative;
  min-height: calc(100vh - var(--nav-height));
  display: grid;
  align-items: center;
  overflow: hidden;
  background:
    linear-gradient(120deg, rgba(19, 39, 92, 0.88), rgba(30, 58, 138, 0.72), rgba(124, 58, 237, 0.55)),
    url("https://images.unsplash.com/photo-1441986300917-64674bd600d8?auto=format&fit=crop&w=1600&q=80") center/cover no-repeat;
  color: #fff;
}

.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 80% 20%, rgba(255, 255, 255, 0.12), transparent 40%);
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 640px;
  padding: 4rem 0;
}

.brand-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  font-size: 0.8rem;
  opacity: 0.9;
  margin-bottom: 1rem;
}

.hero h1 {
  font-size: clamp(2.4rem, 6vw, 4.2rem);
  color: #fff;
  margin-bottom: 1rem;
}

.hero p {
  font-size: 1.1rem;
  max-width: 34rem;
  opacity: 0.92;
  margin-bottom: 1.8rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
}

.hero .btn-outline {
  border-color: rgba(255, 255, 255, 0.7);
  color: #fff;
}

.hero .btn-outline:hover {
  background: #fff;
  color: var(--primary);
}

/* ---------- Category grid ---------- */

.category-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 1rem;
}

.category-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.4rem 1rem;
  text-align: center;
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
  box-shadow: var(--shadow-sm);
}

.category-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow);
  border-color: #c7d2fe;
}

.category-icon {
  width: 54px;
  height: 54px;
  margin: 0 auto 0.8rem;
  border-radius: 16px;
  display: grid;
  place-items: center;
  background: var(--secondary-soft);
  color: var(--secondary);
  font-size: 1.4rem;
}

.category-card h3 {
  font-size: 0.95rem;
  margin-bottom: 0.2rem;
}

.category-card p {
  color: var(--muted);
  font-size: 0.8rem;
}

/* ---------- Product cards ---------- */

.product-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.25rem;
}

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

.product-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow);
}

.product-media {
  position: relative;
  aspect-ratio: 1;
  background: #eef2ff;
  overflow: hidden;
}

.product-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.35s ease;
}

.product-card:hover .product-media img {
  transform: scale(1.05);
}

.discount-badge {
  position: absolute;
  top: 0.75rem;
  left: 0.75rem;
  background: var(--danger);
  color: #fff;
  font-size: 0.75rem;
  font-weight: 700;
  padding: 0.25rem 0.55rem;
  border-radius: 999px;
}

.wishlist-btn {
  position: absolute;
  top: 0.75rem;
  right: 0.75rem;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: none;
  background: rgba(255, 255, 255, 0.95);
  color: var(--muted);
  cursor: pointer;
  display: grid;
  place-items: center;
  box-shadow: var(--shadow-sm);
  transition: color var(--transition), transform var(--transition);
}

.wishlist-btn:hover,
.wishlist-btn.active {
  color: var(--danger);
  transform: scale(1.05);
}

.product-body {
  padding: 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
  flex: 1;
}

.product-category {
  color: var(--secondary);
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.product-name {
  font-size: 1rem;
  font-weight: 700;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  min-height: 2.5em;
}

.product-rating {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  color: var(--warning);
  font-size: 0.88rem;
  font-weight: 600;
}

.product-rating span {
  color: var(--muted);
  font-weight: 500;
}

.price-row {
  display: flex;
  align-items: baseline;
  gap: 0.5rem;
  margin-top: auto;
}

.price-current {
  font-size: 1.15rem;
  font-weight: 800;
  color: var(--primary);
}

.price-original {
  color: var(--muted);
  text-decoration: line-through;
  font-size: 0.9rem;
}

.product-actions {
  display: flex;
  gap: 0.5rem;
  margin-top: 0.6rem;
}

.product-actions .btn {
  flex: 1;
}

/* ---------- Feature / Why / Reviews ---------- */

.feature-grid,
.why-grid,
.reviews-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.1rem;
}

.feature-card,
.why-card,
.review-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.4rem;
  box-shadow: var(--shadow-sm);
}

.feature-card {
  background: linear-gradient(160deg, #13275c, #3b5bdb);
  color: #fff;
  border: none;
}

.feature-card h3 {
  color: #fff;
  margin: 0.6rem 0 0.35rem;
}

.feature-card p {
  opacity: 0.9;
  font-size: 0.92rem;
}

.offer-badge {
  display: inline-block;
  background: rgba(255, 255, 255, 0.18);
  padding: 0.25rem 0.6rem;
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 700;
}

.why-icon {
  width: 48px;
  height: 48px;
  border-radius: 14px;
  display: grid;
  place-items: center;
  background: #eef2ff;
  color: var(--primary);
  font-size: 1.3rem;
  margin-bottom: 0.8rem;
}

.review-card .stars {
  color: var(--warning);
  margin-bottom: 0.5rem;
}

.review-card p {
  color: var(--muted);
  margin-bottom: 0.9rem;
}

.reviewer {
  display: flex;
  align-items: center;
  gap: 0.7rem;
}

.avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  color: #fff;
  display: grid;
  place-items: center;
  font-weight: 700;
}

/* ---------- Newsletter ---------- */

.newsletter {
  background: linear-gradient(120deg, var(--primary-dark), var(--primary), var(--secondary));
  color: #fff;
  border-radius: var(--radius);
  padding: 2.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  flex-wrap: wrap;
}

.newsletter h2 {
  color: #fff;
  margin-bottom: 0.4rem;
}

.newsletter p {
  opacity: 0.9;
}

.newsletter-form {
  display: flex;
  gap: 0.6rem;
  flex-wrap: wrap;
  min-width: min(100%, 380px);
}

.newsletter-form input {
  flex: 1;
  min-width: 220px;
  border: none;
  border-radius: 999px;
  padding: 0.85rem 1.1rem;
  outline: none;
}

/* ---------- Footer ---------- */

.footer {
  background: #0f172a;
  color: #cbd5e1;
  padding: 3.5rem 0 1.5rem;
  margin-top: 2rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr repeat(3, 1fr);
  gap: 2rem;
  margin-bottom: 2rem;
}

.footer .logo {
  color: #fff;
  margin-bottom: 0.8rem;
}

.footer h4 {
  color: #fff;
  margin-bottom: 0.9rem;
  font-size: 1rem;
}

.footer a {
  display: block;
  color: #94a3b8;
  margin-bottom: 0.55rem;
  transition: color var(--transition);
}

.footer a:hover {
  color: #fff;
}

.socials {
  display: flex;
  gap: 0.6rem;
  margin-top: 1rem;
}

.socials a {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.08);
  display: grid;
  place-items: center;
  margin: 0;
}

.footer-bottom {
  border-top: 1px solid rgba(148, 163, 184, 0.2);
  padding-top: 1.2rem;
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
  font-size: 0.9rem;
}

/* ---------- Page headers ---------- */

.page-header {
  padding: 2rem 0 1rem;
}

.page-header h1 {
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  margin-bottom: 0.35rem;
}

.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  color: var(--muted);
  font-size: 0.9rem;
  margin-bottom: 0.6rem;
}

.breadcrumb a:hover {
  color: var(--primary);
}

/* ---------- Auth ---------- */

.auth-page {
  min-height: calc(100vh - var(--nav-height));
  display: grid;
  place-items: center;
  padding: 2rem 0 4rem;
  background:
    radial-gradient(circle at top right, rgba(124, 58, 237, 0.12), transparent 35%),
    var(--background);
}

.auth-card {
  width: min(100%, 440px);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: calc(var(--radius) + 4px);
  padding: 2rem;
  box-shadow: var(--shadow);
}

.auth-card h1 {
  font-size: 1.6rem;
  margin-bottom: 0.35rem;
}

.auth-card > p {
  color: var(--muted);
  margin-bottom: 1.5rem;
}

.form-group {
  margin-bottom: 1rem;
}

.form-group label {
  display: block;
  font-weight: 600;
  margin-bottom: 0.4rem;
  font-size: 0.92rem;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 0.75rem 0.9rem;
  background: var(--surface);
  outline: none;
  transition: border-color var(--transition), box-shadow var(--transition);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--primary-light);
  box-shadow: 0 0 0 3px rgba(59, 91, 219, 0.15);
}

.form-error {
  color: var(--danger);
  font-size: 0.82rem;
  margin-top: 0.35rem;
  display: none;
}

.form-group.invalid input,
.form-group.invalid select,
.form-group.invalid textarea {
  border-color: var(--danger);
}

.form-group.invalid .form-error {
  display: block;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.8rem;
}

.auth-footer {
  text-align: center;
  margin-top: 1.2rem;
  color: var(--muted);
}

.auth-footer a {
  color: var(--primary);
  font-weight: 700;
}

/* ---------- Cart / Checkout / Orders / Profile ---------- */

.layout-2col {
  display: grid;
  grid-template-columns: 1.7fr 1fr;
  gap: 1.5rem;
  align-items: start;
  padding-bottom: 3rem;
}

.panel {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.25rem;
  box-shadow: var(--shadow-sm);
}

.panel h2,
.panel h3 {
  margin-bottom: 1rem;
}

.cart-item {
  display: grid;
  grid-template-columns: 96px 1fr auto;
  gap: 1rem;
  padding: 1rem 0;
  border-bottom: 1px solid var(--border);
}

.cart-item:last-child {
  border-bottom: none;
}

.cart-item img {
  width: 96px;
  height: 96px;
  object-fit: cover;
  border-radius: var(--radius-sm);
  background: #eef2ff;
}

.cart-item-info h3 {
  font-size: 1rem;
  margin-bottom: 0.25rem;
}

.cart-item-info p {
  color: var(--muted);
  font-size: 0.88rem;
}

.qty-control {
  display: inline-flex;
  align-items: center;
  border: 1px solid var(--border);
  border-radius: 999px;
  overflow: hidden;
  margin-top: 0.7rem;
}

.qty-control button {
  width: 34px;
  height: 34px;
  border: none;
  background: transparent;
  cursor: pointer;
  font-weight: 700;
}

.qty-control span {
  min-width: 28px;
  text-align: center;
  font-weight: 700;
}

.cart-item-side {
  text-align: right;
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 0.6rem;
}

.summary-row {
  display: flex;
  justify-content: space-between;
  margin-bottom: 0.7rem;
  color: var(--muted);
}

.summary-row.total {
  color: var(--text);
  font-weight: 800;
  font-size: 1.15rem;
  border-top: 1px solid var(--border);
  padding-top: 0.8rem;
  margin-top: 0.5rem;
}

.empty-state {
  text-align: center;
  padding: 3rem 1.5rem;
  background: var(--surface);
  border: 1px dashed var(--border);
  border-radius: var(--radius);
}

.empty-state h2 {
  margin: 0.6rem 0 0.4rem;
}

.empty-state p {
  color: var(--muted);
  margin-bottom: 1.2rem;
}

.empty-icon {
  font-size: 2.5rem;
}

/* Products page filters */

.products-layout {
  display: grid;
  grid-template-columns: 260px 1fr;
  gap: 1.5rem;
  padding-bottom: 3rem;
}

.filters {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.2rem;
  height: fit-content;
  position: sticky;
  top: calc(var(--nav-height) + 1rem);
  box-shadow: var(--shadow-sm);
}

.filters h3 {
  margin-bottom: 1rem;
}

.filter-group {
  margin-bottom: 1.2rem;
  padding-bottom: 1.2rem;
  border-bottom: 1px solid var(--border);
}

.filter-group:last-child {
  border-bottom: none;
  margin-bottom: 0;
  padding-bottom: 0;
}

.filter-group label {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 0.5rem;
  color: var(--muted);
  cursor: pointer;
}

.toolbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: 1.2rem;
}

.toolbar select {
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 0.55rem 0.9rem;
  background: var(--surface);
}

.pagination {
  display: flex;
  justify-content: center;
  gap: 0.4rem;
  margin-top: 2rem;
}

.pagination button {
  min-width: 40px;
  height: 40px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: var(--surface);
  cursor: pointer;
  font-weight: 600;
}

.pagination button.active,
.pagination button:hover {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
}

/* Product details */

.details-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  padding-bottom: 2rem;
}

.details-image {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  aspect-ratio: 1;
  box-shadow: var(--shadow-sm);
}

.details-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.details-info h1 {
  font-size: clamp(1.5rem, 3vw, 2.1rem);
  margin: 0.5rem 0 0.8rem;
}

.stock-ok {
  color: var(--success);
  font-weight: 700;
}

.stock-low {
  color: var(--warning);
  font-weight: 700;
}

.details-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
  margin: 1.2rem 0;
}

.details-meta {
  margin-top: 1.5rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.1rem;
}

.details-meta li {
  display: flex;
  justify-content: space-between;
  padding: 0.55rem 0;
  border-bottom: 1px solid var(--border);
  color: var(--muted);
}

.details-meta li:last-child {
  border-bottom: none;
}

.details-meta strong {
  color: var(--text);
}

.reviews-list {
  display: grid;
  gap: 1rem;
}

/* Checkout steps */

.checkout-steps {
  display: flex;
  gap: 0.6rem;
  flex-wrap: wrap;
  margin-bottom: 1.5rem;
}

.step-chip {
  padding: 0.45rem 0.9rem;
  border-radius: 999px;
  background: #eef2ff;
  color: var(--primary);
  font-weight: 700;
  font-size: 0.85rem;
}

.step-chip.active {
  background: var(--primary);
  color: #fff;
}

.payment-options {
  display: grid;
  gap: 0.7rem;
}

.payment-option {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 0.9rem 1rem;
  cursor: pointer;
}

.payment-option:has(input:checked) {
  border-color: var(--primary);
  background: #eef2ff;
}

/* Orders / Profile */

.orders-list {
  display: grid;
  gap: 1rem;
  padding-bottom: 3rem;
}

.order-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.2rem;
  box-shadow: var(--shadow-sm);
}

.order-top {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: 0.8rem;
}

.status-pill {
  display: inline-flex;
  align-items: center;
  padding: 0.25rem 0.7rem;
  border-radius: 999px;
  font-size: 0.78rem;
  font-weight: 700;
  background: #eef2ff;
  color: var(--primary);
}

.status-pill.delivered { background: #dcfce7; color: var(--success); }
.status-pill.cancelled { background: #fee2e2; color: var(--danger); }
.status-pill.shipped { background: #ede9fe; color: var(--secondary); }

.profile-layout {
  display: grid;
  grid-template-columns: 240px 1fr;
  gap: 1.5rem;
  padding-bottom: 3rem;
}

.profile-nav a {
  display: block;
  padding: 0.75rem 0.9rem;
  border-radius: var(--radius-sm);
  color: var(--muted);
  font-weight: 600;
  margin-bottom: 0.3rem;
}

.profile-nav a.active,
.profile-nav a:hover {
  background: #eef2ff;
  color: var(--primary);
}

/* Toast */

.toast-container {
  position: fixed;
  right: 1rem;
  bottom: 1rem;
  z-index: 2000;
  display: grid;
  gap: 0.6rem;
}

.toast {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: .8rem;
  min-width: 260px;
  max-width: 360px;
  background: #0f172a;
  color: #fff;
  padding: 0.9rem 1rem;
  border-radius: 12px;
  box-shadow: var(--shadow);
  animation: slideIn 0.25s ease;
}

.toast.success { border-left: 4px solid var(--success); }
.toast.error { border-left: 4px solid var(--danger); }
.toast.info { border-left: 4px solid var(--primary-light); }
.toast.warning { border-left: 4px solid var(--warning); }
.toast-dismiss { flex: 0 0 auto; border: 0; background: transparent; color: inherit; font-size: 1.2rem; line-height: 1; cursor: pointer; }
.toast-leaving { opacity: 0; transition: opacity .2s ease; }

@keyframes slideIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Loading */

.loading-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(15, 23, 42, 0.25);
  z-index: 1500;
  place-items: center;
}

.loading-overlay.show {
  display: grid;
}

.spinner {
  width: 42px;
  height: 42px;
  border: 3px solid rgba(255, 255, 255, 0.35);
  border-top-color: #fff;
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
}

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

.skeleton {
  background: linear-gradient(90deg, #e5e7eb 25%, #f3f4f6 50%, #e5e7eb 75%);
  background-size: 200% 100%;
  animation: shimmer 1.2s infinite;
  border-radius: 8px;
}

.skeleton-card { min-height: 390px; border: 1px solid var(--border); border-radius: var(--radius); background:#fff; overflow:hidden; }
.skeleton-media { height:230px; }
.skeleton-line { height:14px; margin:16px; border-radius:8px; }
.skeleton-line.short { width:42%; }
.skeleton-line.medium { width:68%; }
.skeleton-grid { display:grid; grid-template-columns:repeat(4,minmax(0,1fr)); gap:1rem; }
.empty-state { display:grid; justify-items:center; text-align:center; gap:.7rem; padding:2.5rem 1rem; border:1px dashed var(--border); border-radius:var(--radius); background:#fff; }
.empty-state-icon { width:48px; height:48px; color:var(--primary); }
.empty-state p { max-width:44ch; color:var(--muted); }
.profile-nav button { display:block; width:100%; text-align:left; padding:.75rem .9rem; border:0; border-radius:var(--radius-sm); background:transparent; color:var(--muted); font-weight:600; margin-bottom:.3rem; cursor:pointer; }
.profile-nav button.active,.profile-nav button:hover { background:#eef2ff; color:var(--primary); }

@keyframes shimmer {
  to { background-position: -200% 0; }
}

/* Modal */

.modal-backdrop {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(15, 23, 42, 0.45);
  z-index: 1600;
  place-items: center;
  padding: 1rem;
}

.modal-backdrop.show {
  display: grid;
}

.modal {
  width: min(100%, 520px);
  background: var(--surface);
  border-radius: var(--radius);
  padding: 1.4rem;
  box-shadow: var(--shadow);
}

.modal h3 {
  margin-bottom: 0.6rem;
}

.modal p {
  color: var(--muted);
  margin-bottom: 1.2rem;
}

.modal-actions {
  display: flex;
  justify-content: flex-end;
  gap: 0.6rem;
}

.hidden {
  display: none !important;
}

/* Stage 1 layout and catalog usability fixes */
.product-media { aspect-ratio: 4 / 5; }
.product-media > a { display: block; width: 100%; height: 100%; }
.product-body { min-height: 12rem; }
.product-rating { margin-top: auto; }
.product-actions { margin-top: 0.25rem; }
.product-media img.image-fallback { object-fit: contain; }
.filters { top: calc(var(--nav-height) + 1rem); max-height: calc(100vh - var(--nav-height) - 2rem); overflow-y: auto; }
.filters .form-row { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); }
.filters input[type="number"] { width: 100%; min-width: 0; }
.category-filter-list label { min-width: 0; }
.active-filter-chips { display: flex; flex-wrap: wrap; gap: 0.5rem; margin: 0 0 1rem; }
.filter-chip { display: inline-flex; align-items: center; gap: 0.45rem; border: 1px solid #c7d2fe; border-radius: 999px; padding: 0.35rem 0.7rem; background: #eef2ff; color: var(--primary-dark); cursor: pointer; }
.filter-chip span { font-size: 1.1rem; line-height: 1; }
.pagination { flex-wrap: wrap; }
.pagination button:disabled { opacity: 0.45; cursor: not-allowed; }
.pagination .load-more-btn { flex-basis: 100%; width: fit-content; margin: 0.35rem auto 0; padding-inline: 1.2rem; }
:focus-visible { outline: 3px solid rgba(59, 91, 219, 0.55); outline-offset: 3px; }
.hero::after { background: linear-gradient(90deg, rgba(15, 23, 42, 0.18), rgba(15, 23, 42, 0.04)), radial-gradient(circle at 80% 20%, rgba(255, 255, 255, 0.1), transparent 40%); }
@media (max-width: 900px) {
  .products-layout { grid-template-columns: minmax(0, 1fr); }
  .filters { position: static; max-height: none; }
}
@media (max-width: 640px) {
  .product-grid { grid-template-columns: minmax(0, 1fr); }
  .product-body { min-height: 11rem; }
  .auth-page { min-height: 0; padding: 2rem 1rem 3rem; }
}
/* Mobile filter drawer */
.toolbar-start { display: flex; align-items: center; gap: 0.7rem; }
.mobile-filter-toggle, .filter-close { display: none; }
.filter-heading { display: flex; align-items: center; justify-content: space-between; }
.filter-backdrop[hidden] { display: none; }
@media (max-width: 900px) {
  .mobile-filter-toggle, .filter-close { display: inline-flex; }
  .filter-close { width: 2.25rem; height: 2.25rem; align-items: center; justify-content: center; border: 1px solid var(--border); border-radius: 50%; background: var(--surface); color: var(--text); font-size: 1.3rem; cursor: pointer; }
  .filters { position: fixed; z-index: 1001; top: var(--nav-height); bottom: 0; left: 0; width: min(88vw, 360px); max-height: none; overflow-y: auto; border-radius: 0 var(--radius) var(--radius) 0; transform: translateX(-105%); transition: transform var(--transition); }
  .filters.open { transform: translateX(0); }
  .filter-backdrop { position: fixed; z-index: 999; inset: var(--nav-height) 0 0; background: rgba(15, 23, 42, 0.48); }
}

/* Stage 3 customer shopping features */
.icon-btn .badge-count { font-size: .62rem; }
.cart-drawer-trigger { color: var(--primary); font-size: 1.1rem; }
.search-form-enhanced { z-index: 1002; }
.search-suggestions { position:absolute; top:calc(100% + .45rem); left:0; right:0; max-height: min(70vh, 28rem); overflow:auto; padding:.4rem; border:1px solid var(--border); border-radius:var(--radius); background:var(--surface); box-shadow:var(--shadow-lg); z-index:1100; }
.search-suggestion { display:grid; grid-template-columns:42px minmax(0,1fr) auto; gap:.65rem; align-items:center; padding:.55rem; border-radius:.6rem; color:var(--text); }
.search-suggestion:hover,.search-suggestion:focus { background:#f3f0ff; }
.search-suggestion img { width:42px; height:48px; object-fit:cover; border-radius:.4rem; }
.search-suggestion span { display:grid; gap:.15rem; font-size:.82rem; }
.search-suggestion small,.search-no-suggestions { color:var(--muted); }
.search-suggestion strong { font-size:.8rem; color:var(--primary); }
.product-actions { flex-wrap:wrap; }
.product-actions .btn { min-width:0; }
.cart-drawer-backdrop,.quick-view-backdrop { position:fixed; inset:0; background:rgba(15,23,42,.52); z-index:1200; }
.cart-drawer-backdrop[hidden] { display:none; }
.cart-drawer { position:fixed; z-index:1201; top:0; right:0; bottom:0; width:min(92vw,430px); background:var(--surface); box-shadow:var(--shadow-lg); transform:translateX(105%); transition:transform .25s ease; display:flex; flex-direction:column; padding:1.15rem; }
.cart-drawer.open { transform:translateX(0); }
.cart-drawer-head,.cart-drawer-foot .summary-row,.compare-toolbar { display:flex; align-items:center; justify-content:space-between; gap:.8rem; }
.cart-drawer-head button,.quick-view-close { border:0; background:#f1f0f9; border-radius:50%; width:2.5rem; height:2.5rem; cursor:pointer; font-size:1.4rem; }
.cart-drawer-items { overflow:auto; flex:1; }
.drawer-item,.saved-item { display:grid; grid-template-columns:60px minmax(0,1fr) auto; gap:.75rem; align-items:center; padding:.85rem 0; border-bottom:1px solid var(--border); }
.drawer-item>img,.saved-item>img { width:60px; height:70px; object-fit:cover; border-radius:.5rem; }
.drawer-item>div { display:grid; gap:.35rem; }
.drawer-item a,.saved-item a { color:var(--text); font-weight:700; }
.drawer-item .qty-control { margin:0; }
.drawer-remove { border:0; background:transparent; color:var(--muted); font-size:1.3rem; cursor:pointer; }
.cart-drawer-foot { display:grid; gap:.75rem; padding-top:.85rem; border-top:1px solid var(--border); }
.quick-view-backdrop { display:grid; place-items:center; padding:1rem; overflow:auto; }
.quick-view-modal { position:relative; width:min(900px,100%); max-height:90vh; overflow:auto; padding:1.5rem; border-radius:var(--radius); background:var(--surface); box-shadow:var(--shadow-lg); }
.quick-view-close { position:absolute; top:.8rem; right:.8rem; z-index:1; }
.quick-view-content { display:grid; grid-template-columns:minmax(0,1fr) minmax(0,1fr); gap:1.5rem; align-items:center; }
.quick-view-content>img { width:100%; max-height:70vh; object-fit:contain; border-radius:var(--radius); background:#f8f7ff; }
.quick-view-content>div { display:grid; gap:.6rem; }
.quick-view-content h2 { margin:0; padding-right:2rem; }
.quick-brand,.detail-brand { color:var(--muted); font-weight:700; }
.quick-view-content .price-row { display:flex; align-items:center; gap:.7rem; flex-wrap:wrap; }
.quick-view-content .price-row strong { color:var(--primary); font-size:1.25rem; }
.quick-view-actions { display:flex; flex-wrap:wrap; gap:.5rem; margin-top:.5rem; }
.stage3-details { align-items:start; }
.details-gallery { position:sticky; top:calc(var(--nav-height) + 1rem); }
.details-gallery .details-image { position:relative; display:grid; place-items:center; }
.details-gallery .details-image img { transition:transform .25s ease; cursor:zoom-in; }
.details-gallery .details-image img.zoomed { transform:scale(1.65); cursor:zoom-out; }
.gallery-nav,.zoom-toggle { position:absolute; z-index:2; display:grid; place-items:center; border:1px solid var(--border); border-radius:50%; background:rgba(255,255,255,.92); width:2.6rem; height:2.6rem; cursor:pointer; font-size:1.4rem; }
.gallery-prev { left:.7rem; }.gallery-next { right:.7rem; }.zoom-toggle { bottom:.7rem; right:.7rem; }
.thumbnail-gallery { display:flex; gap:.55rem; overflow:auto; padding:.65rem 0; }
.gallery-thumb { flex:0 0 68px; height:76px; padding:3px; border:1px solid var(--border); border-radius:.55rem; background:var(--surface); cursor:pointer; }
.gallery-thumb.active { border:2px solid var(--primary); }.gallery-thumb img { width:100%; height:100%; object-fit:cover; border-radius:.35rem; }
.detail-price { display:flex; align-items:center; gap:.75rem; flex-wrap:wrap; margin:1rem 0; }.detail-price strong { color:var(--primary); font-size:1.5rem; }.detail-price del { color:var(--muted); }
.detail-description { color:var(--muted); line-height:1.7; }
.variant-picker { border:0; padding:0; margin:1rem 0; }.variant-picker legend { font-weight:700; margin-bottom:.45rem; text-transform:capitalize; }.variant-picker>div { display:flex; flex-wrap:wrap; gap:.5rem; }
.variant-option { border:1px solid var(--border); border-radius:999px; padding:.45rem .8rem; background:var(--surface); cursor:pointer; }.variant-option.active { border-color:var(--primary); background:#f2edff; color:var(--primary); }
.pincode-check { display:grid; gap:.45rem; margin:1rem 0; }.pincode-check>div { display:flex; gap:.5rem; }.pincode-check input { min-width:0; flex:1; }.pincode-check p { margin:0; font-size:.85rem; color:var(--muted); }.pincode-success { color:var(--success)!important; }.pincode-error { color:var(--danger)!important; }
.detail-qty { display:flex; gap:1rem; align-items:center; margin:1rem 0; }.details-actions { display:flex; flex-wrap:wrap; gap:.5rem; }.details-actions .btn { flex:1 1 auto; }
.spec-table { border:1px solid var(--border); border-radius:var(--radius); overflow:hidden; }.spec-table>div { display:grid; grid-template-columns:minmax(150px,.7fr) 1.3fr; gap:1rem; padding:.8rem 1rem; border-bottom:1px solid var(--border); }.spec-table>div:last-child { border-bottom:0; }.spec-table>div:nth-child(odd) { background:#faf9ff; }
.rating-summary { display:grid; grid-template-columns:180px minmax(0,1fr); gap:2rem; padding:1rem; border:1px solid var(--border); border-radius:var(--radius); }.rating-score { display:grid; align-content:center; gap:.3rem; }.rating-score strong { font-size:2.5rem; }.rating-score span,.stars { color:#f59e0b; }.rating-breakdown { display:grid; gap:.35rem; }.rating-breakdown>div { display:grid; grid-template-columns:45px minmax(0,1fr) 45px; gap:.55rem; align-items:center; }.rating-breakdown progress { width:100%; height:.65rem; accent-color:var(--primary); }.rating-breakdown small { color:var(--muted); text-align:right; }
.review-note { color:var(--muted); padding:1rem 0; }
.saved-for-later { margin-top:1.5rem; }.saved-list { display:grid; gap:.25rem; }.saved-item>div:last-child { display:flex; flex-wrap:wrap; justify-content:flex-end; gap:.35rem; }.saved-item p { margin:.25rem 0; }
.coupon-form { display:grid; gap:.4rem; margin:1rem 0; }.coupon-form>div { display:flex; gap:.4rem; }.coupon-form input { min-width:0; flex:1; }.coupon-remove { justify-self:start; color:var(--danger); border:0; padding:0; background:none; cursor:pointer; }.delivery-progress { color:var(--primary); font-weight:700; font-size:.9rem; padding:.55rem 0; }
.compare-table-wrap { overflow:auto; border:1px solid var(--border); border-radius:var(--radius); }.compare-table { width:100%; border-collapse:collapse; min-width:540px; }.compare-table th,.compare-table td { padding:.8rem; border-bottom:1px solid var(--border); text-align:left; vertical-align:top; }.compare-table th { background:#f5f3ff; min-width:115px; }.compare-table td { min-width:180px; }.compare-table tr:last-child th,.compare-table tr:last-child td { border-bottom:0; }.compare-image { display:block; width:120px; height:120px; object-fit:cover; border-radius:.6rem; margin-bottom:.6rem; }.compare-table td:last-child { border-right:0; }.compare-table td span { display:block; margin:.2rem 0; }
.filter-drawer-open,.cart-drawer-open,.quick-view-open { overflow:hidden; }

/* Stage 4 checkout, saved addresses and order lifecycle */
.muted { color: var(--muted); }
.address-choice-list { display:grid; gap:.7rem; margin-top:.8rem; }
.address-choice { display:flex; gap:.8rem; align-items:flex-start; border:1px solid var(--border); border-radius:var(--radius-sm); padding:1rem; cursor:pointer; background:#fff; }
.address-choice.selected { border-color:var(--primary-light); box-shadow:0 0 0 2px rgba(59,91,219,.12); }
.address-choice>span { display:grid; gap:.25rem; }
.address-choice small { color:var(--primary); }
.saved-addresses { display:grid; gap:.75rem; margin:1rem 0 1.5rem; }
.saved-address { display:flex; justify-content:space-between; align-items:center; gap:1rem; border:1px solid var(--border); border-radius:var(--radius-sm); background:#fff; padding:1rem; }
.saved-address p { color:var(--muted); margin-top:.35rem; }
.address-actions,.order-actions { display:flex; flex-wrap:wrap; align-items:center; gap:.55rem; margin-top:1rem; }
.checkbox-line { display:flex; align-items:center; gap:.55rem; margin:.8rem 0; }
.checkbox-line input { width:auto; }
.order-detail-grid { display:grid; grid-template-columns:1fr 1fr; gap:1.25rem; padding:1.2rem 0; }
.tracking-timeline { display:flex; align-items:flex-start; margin:1.5rem 0 .6rem; }
.tracking-step { position:relative; flex:1; display:grid; justify-items:center; gap:.45rem; text-align:center; color:var(--muted); font-size:.78rem; }
.tracking-step:not(:last-child)::after { content:""; height:2px; background:var(--border); position:absolute; left:60%; right:-40%; top:15px; z-index:0; }
.tracking-step span { width:32px; height:32px; display:grid; place-items:center; border-radius:50%; background:#eef0f5; position:relative; z-index:1; font-weight:800; }
.tracking-step.complete,.tracking-step.current { color:var(--primary); }
.tracking-step.complete span,.tracking-step.current span { color:white; background:var(--primary-light); }
.tracking-step.complete:not(:last-child)::after { background:var(--primary-light); }
.tracking-note { font-size:.85rem; margin-bottom:1rem; }
.confirmation-card { max-width:760px; margin:0 auto 3rem; }
.confirmation-mark { width:56px; height:56px; display:grid; place-items:center; border-radius:50%; color:#fff; background:var(--success); font-size:1.8rem; font-weight:800; margin-bottom:1rem; }
.confirmation-card>p { color:var(--muted); margin:.5rem 0 1rem; }
.info-content { max-width:850px; margin:0 auto 3rem; }
.info-content section+section { border-top:1px solid var(--border); margin-top:1rem; padding-top:1rem; }
.info-content p { color:var(--muted); margin-top:.4rem; }
.notice { background:#eff6ff; color:#1e3a8a; border-radius:var(--radius-sm); padding:.8rem 1rem; margin:.8rem 0 1rem; }
.newsletter { display:flex; align-items:center; justify-content:space-between; gap:1.5rem; margin:1.5rem 0; }
.newsletter-form { display:flex; gap:.5rem; max-width:480px; width:100%; }
.newsletter-form input { min-width:0; flex:1; }
@media(max-width:760px){.quick-view-content{grid-template-columns:1fr}.quick-view-content>img{max-height:38vh}.details-gallery{position:static}.stage3-details{grid-template-columns:1fr}.rating-summary{grid-template-columns:1fr;gap:1rem}.spec-table>div{grid-template-columns:1fr;gap:.2rem}.compare-toolbar{align-items:flex-start;flex-direction:column}}
@media(max-width:560px){.search-suggestions{position:fixed;top:calc(var(--nav-height) + .25rem);left:.75rem;right:.75rem;max-height:60vh}.product-actions .btn{flex:1 1 calc(50% - .5rem)}.quick-view-modal{padding:1rem}.saved-item{grid-template-columns:50px minmax(0,1fr)}.saved-item>img{width:50px;height:58px}.saved-item>div:last-child{grid-column:2;justify-content:flex-start}.details-actions .btn{flex:1 1 44%}}