:root {
  --ink: #17202a;
  --muted: #697586;
  --line: #dfe6ee;
  --panel: #ffffff;
  --soft: #f5f7fa;
  --brand: #e31d2e;
  --brand-dark: #b81222;
  --accent: #0d7f66;
  --night: #111827;
  --shadow: 0 18px 45px rgba(23, 32, 42, 0.11);
  --soft-shadow: 0 8px 24px rgba(23, 32, 42, 0.06);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  color: var(--ink);
  background: #f3f5f8;
  font-family: Arial, Helvetica, sans-serif;
  line-height: 1.45;
}

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

button,
input {
  font: inherit;
}

.wrap {
  width: min(1180px, calc(100% - 28px));
  margin: 0 auto;
}

.top-strip {
  background: var(--night);
  color: #fff;
  font-size: 12px;
}

.top-strip .wrap {
  display: flex;
  min-height: 36px;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.main-header {
  position: sticky;
  top: 0;
  z-index: 40;
  background: rgba(255, 255, 255, 0.96);
  border-bottom: 1px solid var(--line);
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.04);
  backdrop-filter: blur(8px);
}

.header-grid {
  display: grid;
  grid-template-columns: 220px minmax(320px, 1fr) auto;
  align-items: center;
  gap: 20px;
  min-height: 82px;
}

.brand {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.brand strong {
  color: var(--brand);
  font-size: 30px;
  font-weight: 900;
  line-height: 1;
  letter-spacing: 0;
}

.brand span {
  color: var(--muted);
  font-size: 12px;
  font-weight: 700;
}

.search-form {
  display: flex;
  min-width: 0;
  overflow: hidden;
  background: #fff;
  border: 2px solid var(--brand);
  border-radius: 6px;
  box-shadow: var(--soft-shadow);
}

.search-form input {
  min-width: 0;
  flex: 1;
  border: 0;
  padding: 13px 16px;
  font-size: 15px;
  outline: none;
}

.search-form button,
.primary-button,
.secondary-button,
.ghost-button,
.cart-button,
.quote-button,
.departments-button {
  display: inline-flex;
  min-height: 44px;
  align-items: center;
  justify-content: center;
  border-radius: 6px;
  border: 0;
  cursor: pointer;
  font-weight: 800;
  transition: 0.15s ease;
}

.search-form button,
.primary-button,
.departments-button {
  background: var(--brand);
  color: #fff;
  padding: 0 18px;
}

.search-form button:hover,
.primary-button:hover,
.departments-button:hover {
  background: var(--brand-dark);
}

.secondary-button {
  color: #fff;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.4);
  padding: 0 18px;
}

.secondary-button:hover {
  color: var(--ink);
  background: #fff;
}

.ghost-button,
.cart-button,
.quote-button {
  background: #fff;
  border: 1px solid var(--line);
  color: var(--ink);
  padding: 0 14px;
}

.ghost-button:hover,
.cart-button:hover,
.quote-button:hover {
  color: var(--brand);
  border-color: var(--brand);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 8px;
}

.customer-chip {
  display: inline-flex;
  min-height: 44px;
  align-items: center;
  padding: 0 12px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--soft);
  color: var(--ink);
  font-size: 13px;
  font-weight: 800;
}

.nav-band {
  position: relative;
  z-index: 30;
  background: #fff;
  border-bottom: 1px solid var(--line);
}

.nav-grid {
  display: flex;
  min-height: 54px;
  align-items: center;
  gap: 20px;
}

.departments {
  position: relative;
}

.departments-button {
  min-width: 220px;
  justify-content: flex-start;
  border-radius: 0;
  padding: 0 16px;
}

.mega-menu {
  position: absolute;
  top: 100%;
  left: 0;
  display: grid;
  width: 760px;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0;
  padding: 12px;
  visibility: hidden;
  opacity: 0;
  transform: translateY(8px);
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 0 0 6px 6px;
  box-shadow: var(--shadow);
  transition: 0.15s ease;
}

.departments:hover .mega-menu,
.departments:focus-within .mega-menu {
  visibility: visible;
  opacity: 1;
  transform: translateY(0);
}

.mega-group {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 12px;
  border-radius: 6px;
}

.mega-group:hover {
  background: var(--soft);
}

.mega-title {
  margin-bottom: 4px;
  color: var(--ink);
  font-size: 14px;
  font-weight: 900;
}

.mega-title:hover,
.mega-group a:not(.mega-title):hover {
  color: var(--brand);
}

.mega-group a:not(.mega-title) {
  color: var(--muted);
  font-size: 13px;
}

.nav-links {
  display: flex;
  min-width: 0;
  flex: 1;
  align-items: center;
  gap: 20px;
  overflow-x: auto;
}

.nav-links a {
  color: #2b3440;
  font-size: 14px;
  font-weight: 800;
  white-space: nowrap;
}

.nav-links a.active,
.nav-links a:hover {
  color: var(--brand);
}

.hero-band {
  background:
    linear-gradient(90deg, rgba(17, 24, 39, 0.94), rgba(33, 52, 66, 0.72)),
    url("../products/001-pc-bureau-tout-en-un-hp-proone-240-g10-i5-1335u-23-8-fhd-8go-512go-ssd-freedos-n.jpg") center/cover;
  color: #fff;
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(280px, 0.8fr);
  gap: 28px;
  min-height: 340px;
  align-items: center;
  padding: 40px 0;
}

.hero-eyebrow,
.section-kicker {
  display: block;
  margin-bottom: 8px;
  color: var(--accent);
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.hero-copy h1 {
  max-width: 780px;
  margin: 0 0 16px;
  font-size: clamp(34px, 5vw, 60px);
  font-weight: 900;
  line-height: 1.02;
  letter-spacing: 0;
}

.hero-copy p {
  max-width: 640px;
  margin: 0 0 24px;
  color: #dce5ee;
  font-size: 18px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.hero-kpis {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
}

.hero-kpis div {
  padding: 16px;
  background: rgba(255, 255, 255, 0.1);
  border-left: 4px solid var(--brand);
  backdrop-filter: blur(8px);
}

.hero-kpis strong {
  display: block;
  font-size: 28px;
  font-weight: 900;
}

.hero-kpis span {
  color: #dce5ee;
  font-size: 14px;
}

.service-strip {
  background: #fff;
  border-bottom: 1px solid var(--line);
}

.service-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.service-grid div {
  padding: 16px 20px 16px 0;
  border-right: 1px solid var(--line);
}

.service-grid strong {
  display: block;
  color: var(--ink);
  font-size: 14px;
  font-weight: 900;
}

.service-grid span {
  color: var(--muted);
  font-size: 13px;
}

.page-shell {
  display: grid;
  grid-template-columns: 250px minmax(0, 1fr);
  gap: 20px;
  align-items: start;
  padding: 24px 0;
}

.category-panel {
  position: sticky;
  top: 150px;
  overflow: hidden;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 6px;
  box-shadow: var(--soft-shadow);
}

.panel-heading {
  padding: 12px 16px;
  background: var(--night);
  color: #fff;
  font-size: 14px;
  font-weight: 900;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.category-block {
  padding: 16px;
  border-bottom: 1px solid var(--line);
}

.category-block:last-child {
  border-bottom: 0;
}

.category-title {
  display: block;
  color: var(--ink);
  font-size: 14px;
  font-weight: 900;
}

.category-title:hover {
  color: var(--brand);
}

.subcategory-list {
  display: grid;
  gap: 4px;
  margin-top: 8px;
}

.subcategory-list a {
  color: var(--muted);
  font-size: 13px;
}

.subcategory-list a:hover {
  color: var(--brand);
}

.content-stack {
  min-width: 0;
}

.section {
  padding-bottom: 28px;
}

.toolbar {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 16px;
}

.toolbar h2,
.detail-info h1 {
  margin: 0;
  font-size: 26px;
  font-weight: 900;
}

.toolbar p {
  margin: 4px 0 0;
  color: var(--muted);
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.featured-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.product-card {
  display: flex;
  flex-direction: column;
  min-height: 100%;
  overflow: hidden;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 6px;
  box-shadow: var(--soft-shadow);
  transition: 0.15s ease;
}

.product-card:hover {
  border-color: rgba(227, 29, 46, 0.42);
  box-shadow: var(--shadow);
  transform: translateY(-2px);
}

.product-media {
  position: relative;
  display: grid;
  place-items: center;
  aspect-ratio: 4 / 3;
  background: #f8fafc;
  border-bottom: 1px solid var(--line);
}

.product-media img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  padding: 16px;
  mix-blend-mode: multiply;
}

.badge {
  position: absolute;
  top: 12px;
  left: 12px;
  background: var(--accent);
  color: #fff;
  padding: 5px 8px;
  border-radius: 4px;
  font-size: 11px;
  font-weight: 900;
}

.product-body {
  display: flex;
  flex: 1;
  flex-direction: column;
  gap: 10px;
  padding: 16px;
}

.product-category {
  color: var(--brand);
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.sku,
.muted {
  color: var(--muted);
  font-size: 12px;
}

.product-name {
  display: -webkit-box;
  min-height: 48px;
  overflow: hidden;
  color: var(--ink);
  font-size: 15px;
  font-weight: 900;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
}

.product-desc {
  display: -webkit-box;
  min-height: 58px;
  margin: 0;
  overflow: hidden;
  color: #536170;
  font-size: 13px;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
}

.price-row {
  display: flex;
  align-items: baseline;
  gap: 8px;
  margin-top: auto;
}

.price {
  color: var(--brand);
  font-size: 22px;
  font-weight: 900;
}

.old-price {
  color: var(--muted);
  font-size: 13px;
  text-decoration: line-through;
}

.card-actions {
  display: grid;
  grid-template-columns: 1fr 54px;
  gap: 8px;
  margin-top: 4px;
}

.card-actions form,
.card-actions form button {
  width: 100%;
}

.ghost-button {
  display: grid;
  place-items: center;
}

.notice {
  background: #fff8e7;
  border: 1px solid #f3d898;
  border-radius: 6px;
  color: #5f4310;
  padding: 20px;
}

.detail-grid {
  display: grid;
  grid-template-columns: minmax(280px, 500px) minmax(0, 1fr);
  gap: 24px;
  align-items: start;
  padding: 32px 0;
}

.detail-media,
.detail-info {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 6px;
  box-shadow: var(--soft-shadow);
}

.detail-media {
  display: grid;
  place-items: center;
  aspect-ratio: 1 / 1;
}

.detail-media img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  padding: 32px;
  mix-blend-mode: multiply;
}

.detail-info {
  padding: 28px;
}

.detail-description {
  color: #3e4a58;
}

.meta-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin: 20px 0;
}

.meta-list div {
  background: var(--soft);
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 12px;
}

.site-footer {
  margin-top: 32px;
  padding: 32px 0;
  background: var(--night);
  color: #c9d3df;
  font-size: 13px;
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 24px;
}

.footer-grid strong {
  color: #fff;
}

.footer-grid p {
  margin: 8px 0 0;
}

.link-button {
  border: 0;
  background: transparent;
  color: var(--brand);
  cursor: pointer;
  padding: 0;
  font-weight: 800;
  text-align: left;
}

.filter-bar {
  display: flex;
  gap: 10px;
  margin-bottom: 16px;
}

.filter-bar input,
.filter-bar select,
.stack-form select,
.admin-row select,
.product-admin-row textarea {
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 11px 12px;
  min-height: 42px;
}

.responsive-table {
  width: 100%;
  overflow-x: auto;
}

.responsive-table table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}

.responsive-table th,
.responsive-table td {
  padding: 10px;
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
}

.responsive-table th {
  background: var(--soft);
  color: var(--ink);
  font-weight: 900;
}

.admin-dashboard {
  padding: 24px 0;
}

.stat-grid {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 14px;
  margin-bottom: 20px;
}

.stat-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 6px;
  box-shadow: var(--soft-shadow);
  padding: 16px;
}

.stat-card span {
  display: block;
  color: var(--muted);
  font-size: 12px;
  font-weight: 800;
}

.stat-card strong {
  display: block;
  margin-top: 6px;
  color: var(--ink);
  font-size: 22px;
  font-weight: 900;
}

.admin-grid-two {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 20px;
  margin-bottom: 20px;
}

.sales-chart {
  display: flex;
  min-height: 210px;
  align-items: end;
  gap: 14px;
  padding: 20px 8px 0;
}

.sales-chart div {
  display: grid;
  flex: 1;
  align-items: end;
  gap: 8px;
  text-align: center;
}

.sales-chart span {
  display: block;
  min-height: 8px;
  background: var(--brand);
  border-radius: 4px 4px 0 0;
}

.sales-chart small {
  color: var(--muted);
  font-size: 11px;
}

.admin-list {
  display: grid;
  gap: 10px;
  margin: 0;
  padding-left: 18px;
}

.category-admin-row {
  grid-template-columns: 1.1fr 0.9fr 1fr 80px 100px 90px 90px 100px;
}

.customer-row {
  grid-template-columns: 1fr 1fr 0.8fr 1fr 1fr 0.8fr 90px 130px 100px 90px;
}

.product-admin-row {
  grid-template-columns: 0.9fr 0.7fr 1.4fr 90px 90px 80px 80px 0.9fr 1fr 1fr 70px 80px 90px 90px;
}

.order-card {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) 160px 150px 130px 90px 120px;
  gap: 12px;
  align-items: center;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: #fff;
}

.order-card span {
  display: block;
  color: var(--muted);
  font-size: 12px;
}

.order-items {
  grid-column: 1 / -1;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  color: var(--muted);
  font-size: 12px;
}

.account-layout {
  display: grid;
  grid-template-columns: 250px minmax(0, 1fr);
  gap: 20px;
  align-items: start;
  padding: 28px 0;
}

.account-nav {
  position: sticky;
  top: 150px;
}

.account-links {
  padding: 14px;
}

.auth-layout {
  display: grid;
  place-items: start center;
  padding: 36px 0;
}

.auth-card,
.admin-panel,
.cart-panel {
  width: 100%;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 6px;
  box-shadow: var(--soft-shadow);
}

.auth-card {
  max-width: 560px;
  padding: 26px;
}

.auth-card h1 {
  margin: 0 0 18px;
  font-size: 28px;
}

.stack-form {
  display: grid;
  gap: 14px;
}

.stack-form label {
  display: grid;
  gap: 6px;
  color: var(--ink);
  font-size: 14px;
  font-weight: 800;
}

.stack-form input,
.stack-form textarea,
.admin-row input,
.qty-input {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 11px 12px;
  outline: none;
}

.stack-form input:focus,
.stack-form textarea:focus,
.admin-row input:focus,
.qty-input:focus {
  border-color: var(--brand);
}

.cart-panel {
  display: grid;
  gap: 0;
  overflow: hidden;
}

.cart-row {
  display: grid;
  grid-template-columns: 72px minmax(0, 1fr) 130px 90px 130px 110px;
  gap: 14px;
  align-items: center;
  padding: 14px;
  border-bottom: 1px solid var(--line);
}

.cart-row img {
  width: 72px;
  height: 72px;
  object-fit: contain;
  background: #f8fafc;
  border: 1px solid var(--line);
}

.cart-row strong,
.cart-row span {
  display: block;
}

.cart-summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 18px;
  background: var(--soft);
}

.cart-buttons {
  display: flex;
  gap: 10px;
}

.admin-header {
  background: var(--night);
  color: #fff;
}

.admin-header .wrap {
  display: flex;
  min-height: 58px;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.admin-header nav {
  display: flex;
  gap: 12px;
}

.admin-layout {
  display: grid;
  grid-template-columns: 360px minmax(0, 1fr);
  gap: 20px;
  align-items: start;
  padding: 28px 0;
}

.admin-panel {
  padding: 20px;
}

.admin-table {
  display: grid;
  gap: 10px;
}

.admin-row {
  display: grid;
  grid-template-columns: minmax(160px, 1fr) minmax(120px, 0.8fr) 100px 90px 100px;
  gap: 10px;
  align-items: center;
  padding: 10px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: #fff;
}

@media (max-width: 1060px) {
  .header-grid {
    grid-template-columns: 1fr;
    padding: 16px 0;
  }

  .header-actions {
    justify-content: space-between;
  }

  .hero-grid,
  .page-shell,
  .detail-grid {
    grid-template-columns: 1fr;
  }

  .category-panel {
    position: static;
  }

  .product-grid,
  .featured-grid,
  .service-grid,
  .admin-layout {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .admin-layout {
    grid-template-columns: 1fr;
  }

  .stat-grid,
  .admin-grid-two,
  .account-layout {
    grid-template-columns: 1fr;
  }

  .account-nav {
    position: static;
  }

  .cart-row {
    grid-template-columns: 72px minmax(0, 1fr);
  }

  .cart-row .price,
  .cart-row .qty-input,
  .cart-row > strong,
  .cart-row .ghost-button {
    grid-column: 2;
  }
}

@media (max-width: 720px) {
  .top-strip .wrap {
    align-items: flex-start;
    flex-direction: column;
    gap: 4px;
    padding: 8px 0;
  }

  .departments {
    display: none;
  }

  .nav-grid {
    overflow-x: auto;
  }

  .hero-kpis,
  .meta-list,
  .product-grid,
  .featured-grid,
  .service-grid,
  .footer-grid {
    grid-template-columns: 1fr;
  }

  .toolbar {
    align-items: flex-start;
    flex-direction: column;
  }

  .cart-summary,
  .cart-buttons {
    align-items: stretch;
    flex-direction: column;
  }

  .admin-row {
    grid-template-columns: 1fr;
  }

  .filter-bar,
  .order-card {
    grid-template-columns: 1fr;
    flex-direction: column;
  }
}

@media (max-width: 520px) {
  .search-form {
    flex-direction: column;
    border-width: 1px;
  }

  .search-form button {
    border-radius: 0;
  }

  .header-actions {
    align-items: stretch;
    flex-direction: column;
  }

  .cart-button,
  .quote-button {
    width: 100%;
  }
}