/* ==========================================================================
   Northline — styles.css
   Design tokens + 6 page layouts + components. Mobile-first; 641px+ = desktop.
   ========================================================================== */

:root {
  /* Brand */
  --north-orange:  #FF9900;
  --north-navy:    #131921;
  --north-gold:    #FEBD69;

  /* Surfaces */
  --north-bg:      #EAEDED;
  --north-white:   #FFFFFF;
  --north-card:    #FFFFFF;

  /* Text & borders */
  --north-link:    #007185;
  --north-text:    #0F1111;
  --north-muted:   #565959;
  --north-border:  #DDD;

  /* Semantic */
  --north-danger:  #B12704;
  --north-success: #067D62;

  /* Subnav */
  --north-subnav:  #232F3E;

  /* Spacing */
  --north-space-1: 4px;
  --north-space-2: 8px;
  --north-space-3: 12px;
  --north-space-4: 16px;
  --north-space-5: 24px;
  --north-space-6: 32px;
  --north-space-7: 48px;
  --north-radius-sm: 4px;
  --north-radius:    8px;
  --north-radius-pill: 100px;
  --north-page-max:  1500px;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  font-family: "Amazon Ember", "Helvetica Neue", Arial, sans-serif;
  font-size: 14px;
  line-height: 1.45;
  color: var(--north-text);
  background: var(--north-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

a { color: var(--north-link); text-decoration: none; }
a:hover { color: var(--north-orange); text-decoration: underline; }

button { font-family: inherit; cursor: pointer; }

/* ==========================================================================
   Header
   ========================================================================== */
#header {
  background: var(--north-navy);
  height: 50px;
  display: flex;
  align-items: center;
  gap: var(--north-space-3);
  padding: 0 var(--north-space-3);
  position: sticky;
  top: 0;
  z-index: 50;
}
#header .logo {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
}
#header .logo svg {
  height: 32px;
  width: auto;
  display: block;
}
#search-form {
  flex: 1;
  display: flex;
  height: 36px;
  background: var(--north-white);
  border-radius: var(--north-radius-sm);
  overflow: hidden;
}
#search-input {
  flex: 1;
  border: 0;
  padding: 0 var(--north-space-3);
  font-size: 14px;
  outline: none;
  min-width: 0;
}
.search-submit {
  flex: 0 0 44px;
  background: var(--north-orange);
  border: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--north-text);
}
.search-submit svg { width: 20px; height: 20px; }
.search-submit:hover { background: var(--north-gold); }

.account {
  display: flex;
  align-items: center;
  gap: var(--north-space-3);
  color: var(--north-white);
  font-size: 12px;
  flex: 0 0 auto;
}
.account-greeting {
  display: none;
  line-height: 1.2;
  white-space: nowrap;
}
.account-link {
  display: none;
  color: var(--north-white);
  white-space: nowrap;
}
.cart-link {
  display: inline-flex;
  align-items: center;
  gap: var(--north-space-2);
  color: var(--north-white);
  padding: 4px 6px;
  border: 1px solid transparent;
  border-radius: 2px;
}
.cart-link:hover { color: var(--north-orange); border-color: var(--north-white); text-decoration: none; }
.cart-icon-wrap { position: relative; display: inline-flex; }
.cart-icon-wrap svg { width: 28px; height: 28px; display: block; }
.cart-badge {
  position: absolute;
  top: -4px;
  right: -8px;
  background: var(--north-orange);
  color: var(--north-text);
  font-size: 11px;
  font-weight: 700;
  line-height: 1;
  padding: 3px 5px;
  border-radius: 10px;
  min-width: 18px;
  text-align: center;
}
.cart-label { font-weight: 700; }

/* ==========================================================================
   Subnav
   ========================================================================== */
#subnav {
  background: var(--north-subnav);
  display: flex;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  padding: 0 var(--north-space-3);
  white-space: nowrap;
}
#subnav a {
  display: inline-block;
  padding: var(--north-space-3) var(--north-space-4);
  color: var(--north-white);
  font-size: 13px;
  border-bottom: 2px solid transparent;
}
#subnav a:hover {
  color: var(--north-orange);
  border-bottom-color: var(--north-orange);
  text-decoration: none;
}

/* ==========================================================================
   Page mount + generic layout
   ========================================================================== */
#page {
  min-height: 60vh;
  padding: var(--north-space-4) var(--north-space-3);
}
#page > * { max-width: var(--north-page-max); margin-left: auto; margin-right: auto; }

#footer {
  background: var(--north-subnav);
  color: var(--north-white);
  text-align: center;
  padding: var(--north-space-5) var(--north-space-3);
  margin-top: var(--north-space-7);
  font-size: 12px;
}
.footer-links a { color: var(--north-white); margin: 0 var(--north-space-1); }
.footer-links a:hover { color: var(--north-orange); text-decoration: none; }
.footer-links .dot { color: var(--north-muted); }
.footer-note { color: var(--north-muted); margin: var(--north-space-2) 0 0; }

/* ==========================================================================
   Buttons
   ========================================================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--north-space-2);
  border: 0;
  border-radius: var(--north-radius-sm);
  padding: 8px 14px;
  font-size: 13px;
  font-weight: 600;
  line-height: 1;
  cursor: pointer;
  transition: background 150ms ease-out, transform 150ms ease-out, border-color 150ms;
  text-decoration: none;
}
.btn-primary {
  background: var(--north-orange);
  color: var(--north-text);
}
.btn-primary:hover { background: var(--north-gold); transform: scale(1.02); color: var(--north-text); text-decoration: none; }
.btn-primary:active { transform: scale(0.98); }
.btn-secondary {
  background: var(--north-white);
  color: var(--north-text);
  border: 1px solid var(--north-border);
}
.btn-secondary:hover { background: #F7F8F8; color: var(--north-text); text-decoration: none; }
.btn-block { width: 100%; padding: 12px 16px; font-size: 14px; }
.btn-large { padding: 14px 24px; font-size: 15px; }
.btn-pill { border-radius: var(--north-radius-pill); }
.btn:disabled { opacity: 0.5; cursor: not-allowed; transform: none; }
.btn:disabled:hover { background: var(--north-orange); transform: none; }

/* ==========================================================================
   Cards (product cards + generic surface cards)
   ========================================================================== */
.card {
  background: var(--north-card);
  border-radius: var(--north-radius);
  box-shadow: 0 1px 2px rgba(15, 17, 17, 0.08);
  padding: var(--north-space-4);
}
.card-product {
  background: var(--north-card);
  border-radius: var(--north-radius);
  padding: var(--north-space-4);
  display: flex;
  flex-direction: column;
  gap: var(--north-space-2);
  transition: box-shadow 150ms;
}
.card-product:hover { box-shadow: 0 4px 12px rgba(15, 17, 17, 0.12); }
.card-product .card-image {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 160px;
  margin-bottom: var(--north-space-2);
}
.card-product .card-image img {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
}
.card-product .card-title {
  font-size: 14px;
  font-weight: 500;
  color: var(--north-link);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  line-height: 1.3;
  min-height: 36px;
  text-decoration: none;
}
.card-product .card-title:hover { color: var(--north-orange); text-decoration: underline; }
.card-product .card-price-row {
  display: flex;
  align-items: baseline;
  gap: var(--north-space-2);
}
.card-product .price-now {
  font-size: 18px;
  font-weight: 700;
  color: var(--north-text);
}
.card-product .price-was {
  font-size: 12px;
  color: var(--north-muted);
  text-decoration: line-through;
}
.card-product .card-rating-row {
  display: flex;
  align-items: center;
  gap: var(--north-space-1);
  font-size: 12px;
  color: var(--north-link);
}
.card-product .card-prime { display: flex; align-items: center; }
.card-product .card-prime svg { width: 48px; height: 16px; }
.card-product .card-actions {
  display: flex;
  gap: var(--north-space-2);
  margin-top: var(--north-space-2);
}
.card-product .card-actions .btn { flex: 1; padding: 7px 4px; font-size: 12px; }

/* ==========================================================================
   Rating stars
   ========================================================================== */
.rating-stars {
  display: inline-flex;
  align-items: center;
  gap: 1px;
  color: var(--north-orange);
}
.rating-stars svg { width: 14px; height: 14px; }
.rating-stars svg.empty { color: var(--north-border); }
.rating-count {
  color: var(--north-link);
  font-size: 12px;
  margin-left: var(--north-space-1);
}

/* ==========================================================================
   Quantity stepper
   ========================================================================== */
.qty-stepper {
  display: inline-flex;
  align-items: stretch;
  height: 32px;
  border: 1px solid var(--north-border);
  border-radius: var(--north-radius-sm);
  overflow: hidden;
  background: var(--north-white);
}
.qty-stepper button {
  width: 28px;
  height: 100%;
  border: 0;
  background: #F0F2F2;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--north-text);
}
.qty-stepper button:hover { background: #E7E9E9; }
.qty-stepper button:disabled { color: var(--north-muted); cursor: not-allowed; }
.qty-stepper button svg { width: 14px; height: 14px; }
.qty-stepper .qty-input {
  width: 36px;
  border: 0;
  text-align: center;
  font-size: 13px;
  font-weight: 600;
  background: var(--north-white);
  padding: 0;
  -moz-appearance: textfield;
}
.qty-stepper .qty-input::-webkit-outer-spin-button,
.qty-stepper .qty-input::-webkit-inner-spin-button {
  -webkit-appearance: none;
  margin: 0;
}

/* ==========================================================================
   Toast
   ========================================================================== */
#toast-host {
  position: fixed;
  bottom: var(--north-space-5);
  right: var(--north-space-5);
  display: flex;
  flex-direction: column;
  gap: var(--north-space-2);
  z-index: 200;
  pointer-events: none;
}
.toast {
  background: var(--north-text);
  color: var(--north-white);
  width: 280px;
  min-height: 48px;
  border-radius: var(--north-radius-sm);
  padding: var(--north-space-3) var(--north-space-4);
  font-size: 13px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.18);
  display: flex;
  align-items: center;
  transform: translateX(120%);
  opacity: 0;
  transition: transform 200ms ease-out, opacity 200ms ease-out;
}
.toast.toast-in { transform: translateX(0); opacity: 1; }
.toast.toast-success { background: var(--north-success); }
.toast.toast-error { background: var(--north-danger); }

/* ==========================================================================
   Hero (Home)
   ========================================================================== */
.hero {
  background: linear-gradient(135deg, #2c3e50 0%, #485f78 50%, var(--north-navy) 100%);
  color: var(--north-white);
  border-radius: var(--north-radius);
  padding: var(--north-space-7) var(--north-space-5);
  margin-bottom: var(--north-space-6);
  display: flex;
  flex-direction: column;
  gap: var(--north-space-3);
  position: relative;
  overflow: hidden;
}
.hero::after {
  content: "";
  position: absolute;
  right: -40px;
  bottom: -40px;
  width: 240px;
  height: 240px;
  background: var(--north-orange);
  opacity: 0.10;
  border-radius: 50%;
}
.hero h1 {
  font-size: 26px;
  margin: 0;
  font-weight: 900;
  letter-spacing: -0.5px;
}
.hero p { margin: 0; font-size: 14px; opacity: 0.9; max-width: 600px; }
.hero .btn { align-self: flex-start; }

/* ==========================================================================
   Category grid (Home)
   ========================================================================== */
.section { margin-bottom: var(--north-space-7); }
.section h2 {
  font-size: 20px;
  margin: 0 0 var(--north-space-4);
  font-weight: 700;
}
.category-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--north-space-3);
}
.cat-tile {
  background: var(--north-card);
  border-radius: var(--north-radius);
  padding: var(--north-space-5) var(--north-space-4);
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: var(--north-space-2);
  color: var(--north-text);
  box-shadow: 0 1px 2px rgba(15, 17, 17, 0.08);
  transition: box-shadow 150ms;
}
.cat-tile:hover { box-shadow: 0 4px 12px rgba(15, 17, 17, 0.12); color: var(--north-text); text-decoration: none; }
.cat-tile svg { width: 48px; height: 48px; color: var(--north-link); }
.cat-tile .cat-tile-name { font-weight: 700; font-size: 14px; }
.cat-tile .cat-tile-link { font-size: 12px; color: var(--north-link); }

/* ==========================================================================
   Featured row + deal + recent (Home)
   ========================================================================== */
.product-row {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--north-space-3);
}
.deal-card {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--north-space-4);
  background: var(--north-card);
  border-radius: var(--north-radius);
  padding: var(--north-space-4);
  box-shadow: 0 1px 2px rgba(15, 17, 17, 0.08);
  align-items: center;
}
.deal-card .deal-image {
  display: flex;
  align-items: center;
  justify-content: center;
}
.deal-card .deal-image img {
  max-width: 100%;
  max-height: 200px;
  object-fit: contain;
}
.deal-card .deal-info { display: flex; flex-direction: column; gap: var(--north-space-2); }
.deal-card .deal-badge {
  display: inline-block;
  background: var(--north-danger);
  color: var(--north-white);
  font-size: 11px;
  font-weight: 700;
  padding: 3px 8px;
  border-radius: var(--north-radius-sm);
  align-self: flex-start;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}
.deal-card .deal-title { font-size: 16px; font-weight: 600; color: var(--north-text); margin: 0; }
.deal-card .deal-meta { font-size: 12px; color: var(--north-muted); }
.deal-card .deal-price-row { display: flex; align-items: baseline; gap: var(--north-space-2); }
.deal-card .deal-price { font-size: 24px; font-weight: 700; color: var(--north-text); }
.deal-card .deal-was { font-size: 13px; color: var(--north-muted); text-decoration: line-through; }

/* ==========================================================================
   Listing page (Search)
   ========================================================================== */
.listing-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--north-space-5);
}
.filters {
  background: var(--north-card);
  border-radius: var(--north-radius);
  padding: var(--north-space-4);
}
.filters .filter-group {
  border-bottom: 1px solid var(--north-border);
  padding: var(--north-space-3) 0;
}
.filters .filter-group:last-child { border-bottom: 0; }
.filters h3 {
  font-size: 14px;
  font-weight: 700;
  margin: 0 0 var(--north-space-2);
  text-transform: none;
  color: var(--north-text);
}
.filter-option {
  display: flex;
  align-items: center;
  gap: var(--north-space-2);
  font-size: 13px;
  color: var(--north-text);
  padding: 4px 0;
  cursor: pointer;
}
.filter-option input { margin: 0; cursor: pointer; }

.listing-toolbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--north-space-3);
  font-size: 13px;
  color: var(--north-muted);
  flex-wrap: wrap;
  gap: var(--north-space-2);
}
.listing-toolbar .result-count { color: var(--north-link); }
.sort-select {
  height: 32px;
  padding: 0 var(--north-space-3);
  border: 1px solid var(--north-border);
  border-radius: var(--north-radius-sm);
  background: var(--north-white);
  font-size: 13px;
  font-family: inherit;
}

.pagination {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: var(--north-space-2);
  margin-top: var(--north-space-5);
  font-size: 13px;
}
.pagination button, .pagination span.page {
  min-width: 32px;
  height: 32px;
  border: 1px solid var(--north-border);
  background: var(--north-white);
  border-radius: var(--north-radius-sm);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0 var(--north-space-3);
  font-size: 13px;
  cursor: pointer;
  color: var(--north-link);
}
.pagination button:hover { background: #F7F8F8; color: var(--north-orange); }
.pagination .page-current {
  background: var(--north-orange);
  border-color: var(--north-orange);
  color: var(--north-text);
  font-weight: 700;
}
.pagination button:disabled { color: var(--north-muted); cursor: not-allowed; }
.pagination .ellipsis { color: var(--north-muted); }

/* ==========================================================================
   PDP
   ========================================================================== */
.pdp-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--north-space-5);
}
.pdp-media {
  background: var(--north-card);
  border-radius: var(--north-radius);
  padding: var(--north-space-4);
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 320px;
}
.pdp-media img { max-width: 100%; max-height: 320px; object-fit: contain; }
.pdp-info { display: flex; flex-direction: column; gap: var(--north-space-3); }
.pdp-info .breadcrumb {
  font-size: 12px;
  color: var(--north-muted);
}
.pdp-info .breadcrumb a { color: var(--north-link); }
.pdp-info h1 {
  font-size: 22px;
  margin: 0;
  font-weight: 700;
  line-height: 1.25;
}
.pdp-info .pdp-rating-row {
  display: flex;
  align-items: center;
  gap: var(--north-space-2);
  font-size: 13px;
  color: var(--north-link);
}
.pdp-info .pdp-price-row {
  display: flex;
  align-items: baseline;
  gap: var(--north-space-3);
  flex-wrap: wrap;
}
.pdp-info .price-now { font-size: 24px; font-weight: 700; color: var(--north-text); }
.pdp-info .price-was { font-size: 13px; color: var(--north-muted); text-decoration: line-through; }
.pdp-info .pdp-prime svg { width: 56px; height: 18px; vertical-align: middle; }
.pdp-buybox .pdp-prime svg { width: 56px; height: 18px; vertical-align: middle; }
.pdp-info .pdp-stock { color: var(--north-success); font-size: 16px; font-weight: 700; display: flex; align-items: center; gap: var(--north-space-1); }
.pdp-info .pdp-stock svg { width: 18px; height: 18px; }
.pdp-info .pdp-stock.oos { color: var(--north-danger); }
.pdp-info .pdp-description { font-size: 14px; line-height: 1.5; }
.pdp-info .pdp-features {
  margin: 0;
  padding-left: var(--north-space-5);
  font-size: 13px;
}
.pdp-info .pdp-features li { margin-bottom: var(--north-space-1); }

.pdp-buybox {
  background: var(--north-card);
  border-radius: var(--north-radius);
  padding: var(--north-space-4);
  display: flex;
  flex-direction: column;
  gap: var(--north-space-3);
}
.pdp-buybox .price-now { font-size: 22px; font-weight: 700; color: var(--north-text); }
.pdp-buybox .qty-row {
  display: flex;
  align-items: center;
  gap: var(--north-space-3);
  font-size: 13px;
}
.pdp-buybox .qty-row .qty-label { color: var(--north-muted); }

.related-row { margin-top: var(--north-space-6); }

/* ==========================================================================
   Cart
   ========================================================================== */
.cart-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--north-space-5);
}
.cart-line-list {
  background: var(--north-card);
  border-radius: var(--north-radius);
  padding: var(--north-space-4);
  display: flex;
  flex-direction: column;
}
.cart-line {
  display: grid;
  grid-template-columns: 64px 1fr auto;
  gap: var(--north-space-3);
  padding: var(--north-space-3) 0;
  border-bottom: 1px solid var(--north-border);
  align-items: center;
}
.cart-line:last-child { border-bottom: 0; }
.cart-line .cart-thumb {
  width: 64px;
  height: 64px;
  background: #F7F8F8;
  border-radius: var(--north-radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
}
.cart-line .cart-thumb img { max-width: 100%; max-height: 100%; object-fit: contain; }
.cart-line .cart-meta { display: flex; flex-direction: column; gap: var(--north-space-2); min-width: 0; }
.cart-line .cart-title {
  font-size: 14px;
  font-weight: 500;
  color: var(--north-link);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  line-height: 1.3;
  text-decoration: none;
}
.cart-line .cart-title:hover { color: var(--north-orange); text-decoration: underline; }
.cart-line .cart-line-controls { display: flex; align-items: center; gap: var(--north-space-3); flex-wrap: wrap; }
.cart-line .cart-line-price { color: var(--north-muted); font-size: 13px; }
.cart-line .cart-line-actions { display: flex; align-items: center; gap: var(--north-space-3); }
.cart-line .cart-remove {
  background: transparent;
  border: 0;
  color: var(--north-link);
  font-size: 13px;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 4px 0;
}
.cart-line .cart-remove:hover { color: var(--north-danger); }
.cart-line .cart-remove svg { width: 14px; height: 14px; }

.cart-summary {
  background: var(--north-card);
  border-radius: var(--north-radius);
  padding: var(--north-space-4);
  display: flex;
  flex-direction: column;
  gap: var(--north-space-3);
  align-self: start;
  position: sticky;
  top: 60px;
}
.cart-summary h3 { margin: 0 0 var(--north-space-2); font-size: 16px; }
.cart-summary .summary-row {
  display: flex;
  justify-content: space-between;
  font-size: 14px;
}
.cart-summary .summary-row.muted { color: var(--north-muted); font-size: 13px; }
.cart-summary .summary-total {
  display: flex;
  justify-content: space-between;
  font-size: 18px;
  font-weight: 700;
  border-top: 1px solid var(--north-border);
  padding-top: var(--north-space-3);
  margin-top: var(--north-space-2);
}
.cart-empty {
  background: var(--north-card);
  border-radius: var(--north-radius);
  padding: var(--north-space-7) var(--north-space-4);
  text-align: center;
}
.cart-empty h2 { margin: 0 0 var(--north-space-2); font-size: 22px; }
.cart-empty p { color: var(--north-muted); margin: 0 0 var(--north-space-4); }

/* ==========================================================================
   Checkout
   ========================================================================== */
.checkout-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--north-space-5);
}
.checkout-form {
  background: var(--north-card);
  border-radius: var(--north-radius);
  padding: var(--north-space-5);
}
.checkout-form h2 {
  font-size: 20px;
  margin: 0 0 var(--north-space-4);
  font-weight: 700;
}
.checkout-form h3 {
  font-size: 16px;
  margin: var(--north-space-5) 0 var(--north-space-3);
  font-weight: 700;
}
.form-field {
  display: flex;
  flex-direction: column;
  gap: 4px;
  margin-bottom: var(--north-space-3);
}
.form-field label {
  font-size: 13px;
  font-weight: 700;
  color: var(--north-text);
}
.form-field input {
  height: 32px;
  padding: 0 var(--north-space-3);
  border: 1px solid var(--north-border);
  border-radius: var(--north-radius-sm);
  font-size: 14px;
  font-family: inherit;
  background: var(--north-white);
  color: var(--north-text);
}
.form-field input:focus {
  outline: 0;
  border-color: var(--north-orange);
  box-shadow: 0 0 0 2px rgba(255, 153, 0, 0.25);
}
.form-field.invalid input { border-color: var(--north-danger); }
.form-field .field-error {
  font-size: 12px;
  color: var(--north-danger);
  display: none;
}
.form-field.invalid .field-error { display: block; }

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--north-space-3);
}
.form-row-3 { grid-template-columns: 1fr 1fr 1fr; }

.payment-banner {
  background: #FFF8E7;
  border: 1px solid var(--north-gold);
  color: var(--north-text);
  padding: var(--north-space-2) var(--north-space-3);
  border-radius: var(--north-radius-sm);
  font-size: 12px;
  margin-bottom: var(--north-space-3);
}

.checkout-summary {
  background: var(--north-card);
  border-radius: var(--north-radius);
  padding: var(--north-space-4);
  position: sticky;
  top: 60px;
}
.checkout-summary h3 { margin: 0 0 var(--north-space-3); font-size: 16px; }
.checkout-summary .summary-line {
  display: flex;
  gap: var(--north-space-2);
  padding: var(--north-space-2) 0;
  font-size: 13px;
  border-bottom: 1px solid var(--north-border);
}
.checkout-summary .summary-line img { width: 40px; height: 40px; object-fit: contain; flex: 0 0 auto; background: #F7F8F8; border-radius: var(--north-radius-sm); }
.checkout-summary .summary-line .summary-line-meta { flex: 1; min-width: 0; }
.checkout-summary .summary-line .summary-line-title {
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  color: var(--north-text);
  font-weight: 500;
  font-size: 13px;
  text-decoration: none;
}
.checkout-summary .summary-line .summary-line-sub { color: var(--north-muted); font-size: 12px; }
.checkout-summary .summary-totals {
  margin-top: var(--north-space-3);
  display: flex;
  flex-direction: column;
  gap: var(--north-space-1);
}
.checkout-summary .summary-totals .row {
  display: flex;
  justify-content: space-between;
  font-size: 14px;
}
.checkout-summary .summary-totals .row.total {
  border-top: 1px solid var(--north-border);
  padding-top: var(--north-space-2);
  margin-top: var(--north-space-2);
  font-size: 18px;
  font-weight: 700;
}

/* ==========================================================================
   Order success
   ========================================================================== */
.order-success-hero {
  background: var(--north-card);
  border-radius: var(--north-radius);
  padding: var(--north-space-7) var(--north-space-4);
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--north-space-3);
}
.order-success-hero .check-circle {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: var(--north-success);
  color: var(--north-white);
  display: inline-flex;
  align-items: center;
  justify-content: center;
}
.order-success-hero .check-circle svg { width: 40px; height: 40px; }
.order-success-hero h1 {
  font-size: 24px;
  margin: 0;
  font-weight: 700;
}
.order-success-hero .order-id {
  font-family: "SFMono-Regular", Consolas, Menlo, monospace;
  font-size: 14px;
  color: var(--north-muted);
  background: var(--north-bg);
  padding: var(--north-space-2) var(--north-space-4);
  border-radius: var(--north-radius-sm);
}

.order-recap {
  background: var(--north-card);
  border-radius: var(--north-radius);
  padding: var(--north-space-4);
  margin-top: var(--north-space-5);
}
.order-recap h2 { font-size: 18px; margin: 0 0 var(--north-space-3); font-weight: 700; }
.order-recap .recap-line {
  display: flex;
  align-items: center;
  gap: var(--north-space-3);
  padding: var(--north-space-2) 0;
  border-bottom: 1px solid var(--north-border);
  font-size: 14px;
}
.order-recap .recap-line:last-child { border-bottom: 0; }
.order-recap .recap-line img { width: 48px; height: 48px; object-fit: contain; background: #F7F8F8; border-radius: var(--north-radius-sm); }
.order-recap .recap-line .recap-line-meta { flex: 1; min-width: 0; }
.order-recap .recap-line .recap-line-title { font-weight: 500; }
.order-recap .recap-line .recap-line-sub { color: var(--north-muted); font-size: 12px; }
.order-recap .recap-totals {
  display: flex;
  flex-direction: column;
  gap: var(--north-space-1);
  margin-top: var(--north-space-3);
  padding-top: var(--north-space-3);
  border-top: 1px solid var(--north-border);
}
.order-recap .recap-totals .row {
  display: flex;
  justify-content: space-between;
  font-size: 14px;
}
.order-recap .recap-totals .row.total { font-size: 18px; font-weight: 700; }

.order-shipping {
  background: var(--north-card);
  border-radius: var(--north-radius);
  padding: var(--north-space-4);
  margin-top: var(--north-space-5);
}
.order-shipping h2 { font-size: 18px; margin: 0 0 var(--north-space-3); font-weight: 700; }
.order-shipping .ship-name { font-weight: 700; margin: 0; }
.order-shipping .ship-addr { margin: 0; color: var(--north-text); font-size: 14px; line-height: 1.5; }
.order-shipping .ship-meta { color: var(--north-muted); font-size: 12px; margin-top: var(--north-space-2); }

.order-cta {
  margin-top: var(--north-space-5);
  text-align: center;
}

/* ==========================================================================
   Not found / 404
   ========================================================================== */
.notfound {
  background: var(--north-card);
  border-radius: var(--north-radius);
  padding: var(--north-space-7) var(--north-space-4);
  text-align: center;
  display: flex;
  flex-direction: column;
  gap: var(--north-space-3);
  align-items: center;
}
.notfound h1 { margin: 0; font-size: 28px; }
.notfound p { color: var(--north-muted); margin: 0; }

/* ==========================================================================
   Mobile-first overrides — desktop layout at 641px+
   ========================================================================== */
@media (min-width: 641px) {
  #header { height: 60px; padding: 0 var(--north-space-4); gap: var(--north-space-4); }
  #header .logo svg { height: 40px; }
  #search-form { height: 40px; max-width: 600px; }
  .account-greeting, .account-link { display: inline; }
  #page { padding: var(--north-space-5) var(--north-space-4); }

  .hero h1 { font-size: 36px; }
  .hero { padding: var(--north-space-7) var(--north-space-6); }

  .category-grid { grid-template-columns: repeat(6, 1fr); }
  .product-row { grid-template-columns: repeat(3, 1fr); }
  .related-row .product-row { grid-template-columns: repeat(4, 1fr); }

  .listing-layout {
    grid-template-columns: 240px 1fr;
    gap: var(--north-space-5);
  }
  .filters { position: sticky; top: 110px; align-self: start; max-height: calc(100vh - 130px); overflow-y: auto; }

  .pdp-layout {
    grid-template-columns: 1fr 1.2fr 320px;
    gap: var(--north-space-5);
  }
  .pdp-media { min-height: 500px; }
  .pdp-media img { max-height: 500px; }

  .cart-layout { grid-template-columns: 1fr 320px; }
  .checkout-layout { grid-template-columns: 1fr 320px; }

  .deal-card { grid-template-columns: 1fr 2fr; }
}