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

/* ── Design Tokens ───────────────────────────────────────────────────────── */
:root {
  /* Brand */
  --navy:        #080F1E;
  --navy-80:     #1A2540;
  --navy-60:     #2D3D63;
  --cobalt:      #1447E6;
  --cobalt-dark: #0E38C4;
  --cobalt-light:#E8EFFE;

  /* Neutrals */
  --white:       #FFFFFF;
  --gray-50:     #F8F9FB;
  --gray-100:    #F1F2F6;
  --gray-200:    #E2E4ED;
  --gray-300:    #CBD0DC;
  --gray-400:    #9BA5BC;
  --gray-500:    #6B7594;
  --gray-700:    #333D55;
  --gray-900:    #080F1E;

  /* Semantic */
  --green:       #047857;
  --green-bg:    #ECFDF5;
  --amber:       #92400E;
  --amber-bg:    #FFFBEB;
  --red:         #B91C1C;
  --red-bg:      #FEF2F2;

  /* Surfaces */
  --bg:          #F5F6FA;
  --surface:     #FFFFFF;
  --surface-2:   #F8F9FB;
  --border:      #E2E4ED;
  --border-dark: #CBD0DC;

  /* Type */
  --font-display: 'DM Serif Display', Georgia, serif;
  --font-body:    'DM Sans', -apple-system, BlinkMacSystemFont, sans-serif;

  /* Shadows */
  --shadow-xs:   0 1px 2px rgba(8,15,30,0.06);
  --shadow-sm:   0 2px 8px rgba(8,15,30,0.07), 0 1px 2px rgba(8,15,30,0.04);
  --shadow-md:   0 8px 24px rgba(8,15,30,0.08), 0 2px 6px rgba(8,15,30,0.05);
  --shadow-lg:   0 24px 64px rgba(8,15,30,0.12), 0 6px 16px rgba(8,15,30,0.06);
  --shadow-focus:0 0 0 3px rgba(20,71,230,0.16);

  /* Radii */
  --r-xs:  4px;
  --r-sm:  8px;
  --r-md:  12px;
  --r-lg:  16px;
  --r-xl:  24px;

  /* Motion */
  --ease:       cubic-bezier(0.22, 1, 0.36, 1);
  --ease-out:   cubic-bezier(0, 0, 0.2, 1);
}

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  background: var(--bg);
  color: var(--gray-900);
  font-size: 14px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

/* ── Header ──────────────────────────────────────────────────────────────── */
.header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255,255,255,0.97);
  border-bottom: 1px solid var(--border);
  backdrop-filter: saturate(180%) blur(12px);
}
.header-inner {
  max-width: 1440px;
  margin: 0 auto;
  padding: 0 32px;
  height: 72px;
  display: flex;
  align-items: center;
  gap: 24px;
}

/* Logo */
.logo {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: var(--navy);
  flex-shrink: 0;
}
.logo-icon {
  width: 38px;
  height: 38px;
  background: var(--navy);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.logo-icon svg { color: #fff; }
.logo-text {
  font-family: var(--font-display);
  font-size: 24px;
  letter-spacing: -0.03em;
  color: var(--navy);
}
.logo-text em { font-style: italic; color: var(--cobalt); }

/* Search */
.header-search {
  flex: 1;
  max-width: 540px;
  display: flex;
  align-items: center;
  background: var(--gray-50);
  border: 1.5px solid var(--border);
  border-radius: var(--r-md);
  overflow: hidden;
  transition: border-color 0.18s, box-shadow 0.18s, background 0.18s;
}
.header-search:focus-within {
  border-color: var(--cobalt);
  background: var(--white);
  box-shadow: var(--shadow-focus);
}
.header-search input {
  flex: 1;
  border: none;
  background: transparent;
  padding: 0 16px;
  height: 44px;
  font-family: var(--font-body);
  font-size: 14px;
  color: var(--gray-900);
  outline: none;
}
.header-search input::placeholder { color: var(--gray-400); }
.header-search button {
  border: none;
  background: transparent;
  padding: 0 16px;
  height: 44px;
  color: var(--gray-400);
  cursor: pointer;
  display: flex;
  align-items: center;
  transition: color 0.18s;
}
.header-search button:hover { color: var(--cobalt); }

/* Header right */
.header-meta { display: flex; align-items: center; gap: 12px; margin-left: auto; }
.total-pill {
  font-size: 12px;
  font-weight: 500;
  color: var(--gray-500);
  background: var(--gray-100);
  border: 1px solid var(--border);
  padding: 5px 12px;
  border-radius: 999px;
  letter-spacing: 0.01em;
}
.cart-btn {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 0 16px;
  height: 40px;
  border: 1.5px solid var(--border);
  border-radius: var(--r-sm);
  background: var(--white);
  color: var(--gray-700);
  font-family: var(--font-body);
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.18s;
}
.cart-btn:hover { border-color: var(--cobalt); color: var(--cobalt); }

/* ── Hero ────────────────────────────────────────────────────────────────── */
.hero-bar {
  background: var(--navy);
  color: white;
  padding: 72px 32px;
  position: relative;
  overflow: hidden;
}
.hero-bar::after {
  content: '';
  position: absolute;
  bottom: -1px;
  left: 0;
  right: 0;
  height: 1px;
  background: rgba(255,255,255,0.06);
}
/* Subtle dot grid pattern */
.hero-bar::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: radial-gradient(circle, rgba(255,255,255,0.04) 1px, transparent 1px);
  background-size: 32px 32px;
  pointer-events: none;
}
.hero-inner {
  max-width: 1440px;
  margin: 0 auto;
  position: relative;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 48px;
  align-items: center;
}
.hero-content {}
.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255,255,255,0.07);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 999px;
  padding: 4px 14px;
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.6);
  margin-bottom: 20px;
}
.hero-eyebrow span { color: rgba(255,255,255,0.9); }
.hero-bar h1 {
  font-family: var(--font-display);
  font-size: clamp(36px, 4.5vw, 58px);
  letter-spacing: -0.03em;
  line-height: 1.08;
  margin-bottom: 16px;
  color: var(--white);
}
.hero-bar h1 em { font-style: italic; color: #7BA8FF; }
.hero-bar p {
  color: rgba(255,255,255,0.5);
  font-size: 16px;
  max-width: 480px;
  line-height: 1.7;
}
.hero-stats {
  display: flex;
  flex-direction: column;
  gap: 3px;
  padding: 28px 32px;
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.09);
  border-radius: var(--r-lg);
  flex-shrink: 0;
  min-width: 180px;
}
.stat {
  font-size: 13px;
  color: rgba(255,255,255,0.5);
  display: flex;
  align-items: baseline;
  gap: 8px;
}
.stat strong {
  font-family: var(--font-display);
  font-size: 28px;
  color: #fff;
  letter-spacing: -0.03em;
  line-height: 1.2;
}
.stat-divider { display: none; }

/* ── Category Nav ─────────────────────────────────────────────────────────── */
.cat-nav {
  background: var(--white);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 72px;
  z-index: 90;
  overflow-x: auto;
  scrollbar-width: none;
}
.cat-nav::-webkit-scrollbar { display: none; }
.cat-nav-inner {
  display: flex;
  gap: 2px;
  padding: 8px 32px;
  max-width: 1440px;
  margin: 0 auto;
  width: max-content;
}
.cat-pill {
  display: flex;
  align-items: center;
  gap: 6px;
  border: none;
  background: transparent;
  padding: 7px 16px;
  border-radius: var(--r-sm);
  font-family: var(--font-body);
  font-size: 13px;
  font-weight: 500;
  color: var(--gray-500);
  cursor: pointer;
  white-space: nowrap;
  transition: all 0.15s;
}
.cat-pill:hover { background: var(--gray-100); color: var(--gray-900); }
.cat-pill.active { background: var(--navy); color: var(--white); }

/* ── Layout ───────────────────────────────────────────────────────────────── */
.layout {
  display: flex;
  max-width: 1440px;
  margin: 0 auto;
  padding: 28px 32px;
  gap: 28px;
  align-items: flex-start;
  min-height: calc(100vh - 200px);
}

/* ── Sidebar ──────────────────────────────────────────────────────────────── */
.sidebar {
  width: 256px;
  flex-shrink: 0;
  position: sticky;
  top: 116px;
  height: fit-content;
  max-height: calc(100vh - 140px);
  overflow-y: auto;
  scrollbar-width: thin;
  scrollbar-color: var(--border) transparent;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
}
.sidebar.collapsed { display: none; }

.sidebar-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 20px 16px;
  border-bottom: 1px solid var(--border);
}
.sidebar-header h2 {
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--gray-500);
}
.clear-btn {
  font-size: 12px;
  color: var(--cobalt);
  background: none;
  border: none;
  cursor: pointer;
  font-family: var(--font-body);
  font-weight: 500;
  transition: opacity 0.15s;
}
.clear-btn:hover { opacity: 0.7; }

.filter-group {
  padding: 16px 20px;
  border-bottom: 1px solid var(--border);
}
.filter-group:last-of-type { border-bottom: none; }

.filter-label {
  display: block;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  color: var(--gray-400);
  margin-bottom: 10px;
}
.filter-scroll {
  max-height: 200px;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 1px;
  scrollbar-width: thin;
  scrollbar-color: var(--border) transparent;
}
.filter-item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 7px 10px;
  border-radius: var(--r-xs);
  cursor: pointer;
  font-size: 13px;
  color: var(--gray-500);
  transition: all 0.12s;
  border: none;
  background: none;
  text-align: left;
  width: 100%;
}
.filter-item:hover { background: var(--gray-50); color: var(--gray-900); }
.filter-item.active {
  background: var(--cobalt-light);
  color: var(--cobalt);
  font-weight: 500;
}
.filter-search {
  width: 100%;
  padding: 8px 12px;
  border: 1.5px solid var(--border);
  border-radius: var(--r-sm);
  font-size: 13px;
  font-family: var(--font-body);
  color: var(--gray-900);
  background: var(--gray-50);
  outline: none;
  margin-bottom: 8px;
  transition: border-color 0.15s, box-shadow 0.15s;
}
.filter-search:focus { border-color: var(--cobalt); box-shadow: var(--shadow-focus); background: var(--white); }

.price-inputs { display: flex; align-items: center; gap: 8px; }
.price-inputs input {
  flex: 1;
  padding: 8px 12px;
  border: 1.5px solid var(--border);
  border-radius: var(--r-sm);
  font-size: 13px;
  font-family: var(--font-body);
  color: var(--gray-900);
  background: var(--gray-50);
  outline: none;
  transition: border-color 0.15s;
}
.price-inputs input:focus { border-color: var(--cobalt); background: var(--white); }
.price-inputs span { color: var(--gray-300); font-size: 12px; }

.check-item {
  display: flex;
  align-items: center;
  gap: 9px;
  padding: 5px 0;
  font-size: 13px;
  color: var(--gray-500);
  cursor: pointer;
  transition: color 0.12s;
}
.check-item:hover { color: var(--gray-900); }
.check-item input[type="radio"],
.check-item input[type="checkbox"] {
  accent-color: var(--cobalt);
  width: 14px;
  height: 14px;
  flex-shrink: 0;
}
.check-item.toggle { justify-content: space-between; padding: 6px 0; }
.toggle-slider {
  width: 38px; height: 22px;
  background: var(--gray-200);
  border-radius: 999px;
  position: relative;
  transition: background 0.2s;
  flex-shrink: 0;
}
.toggle-slider::after {
  content: '';
  position: absolute;
  top: 3px; left: 3px;
  width: 16px; height: 16px;
  background: var(--white);
  border-radius: 50%;
  transition: transform 0.2s var(--ease);
  box-shadow: 0 1px 3px rgba(0,0,0,0.15);
}
.check-item.toggle input { display: none; }
.check-item.toggle input:checked ~ .toggle-slider { background: var(--cobalt); }
.check-item.toggle input:checked ~ .toggle-slider::after { transform: translateX(16px); }

.apply-btn {
  width: calc(100% - 40px);
  margin: 16px 20px;
  padding: 11px;
  background: var(--navy);
  color: var(--white);
  border: none;
  border-radius: var(--r-sm);
  font-family: var(--font-body);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.02em;
  cursor: pointer;
  transition: background 0.18s, transform 0.1s;
}
.apply-btn:hover { background: var(--navy-80); }
.apply-btn:active { transform: scale(0.98); }

/* ── Main Content ─────────────────────────────────────────────────────────── */
.main-content { flex: 1; min-width: 0; }

.toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
  gap: 12px;
  flex-wrap: wrap;
}
.toolbar-left { display: flex; align-items: center; gap: 12px; }
.toolbar-right { display: flex; align-items: center; gap: 8px; }

.sidebar-toggle {
  display: flex;
  align-items: center;
  gap: 7px;
  padding: 0 14px;
  height: 38px;
  border: 1.5px solid var(--border);
  background: var(--white);
  border-radius: var(--r-sm);
  font-family: var(--font-body);
  font-size: 13px;
  font-weight: 500;
  color: var(--gray-500);
  cursor: pointer;
  transition: all 0.15s;
}
.sidebar-toggle:hover { border-color: var(--cobalt); color: var(--cobalt); }

.results-label {
  font-size: 13px;
  color: var(--gray-400);
  font-variant-numeric: tabular-nums;
}

.sort-select {
  height: 38px;
  padding: 0 32px 0 12px;
  border: 1.5px solid var(--border);
  border-radius: var(--r-sm);
  background: var(--white);
  font-family: var(--font-body);
  font-size: 13px;
  color: var(--gray-700);
  cursor: pointer;
  outline: none;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%239BA5BC' stroke-width='2'%3E%3Cpolyline points='6,9 12,15 18,9'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 10px center;
  transition: border-color 0.15s;
}
.sort-select:focus { border-color: var(--cobalt); }

.view-toggle {
  display: flex;
  border: 1.5px solid var(--border);
  border-radius: var(--r-sm);
  overflow: hidden;
  background: var(--white);
}
.view-btn {
  padding: 8px 10px;
  border: none;
  background: transparent;
  color: var(--gray-400);
  cursor: pointer;
  transition: all 0.15s;
  display: flex;
  align-items: center;
}
.view-btn + .view-btn { border-left: 1px solid var(--border); }
.view-btn.active { background: var(--navy); color: var(--white); }

/* Active chips */
.active-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 18px;
}
.chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px 4px 12px;
  background: var(--cobalt-light);
  color: var(--cobalt);
  border-radius: 999px;
  font-size: 12px;
  font-weight: 500;
  border: 1px solid rgba(20,71,230,0.15);
}
.chip-remove {
  background: none;
  border: none;
  padding: 0;
  cursor: pointer;
  color: var(--cobalt);
  font-size: 15px;
  line-height: 1;
  opacity: 0.6;
  transition: opacity 0.12s;
}
.chip-remove:hover { opacity: 1; }

/* ── Product Grid ─────────────────────────────────────────────────────────── */
.product-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(228px, 1fr));
  gap: 16px;
}
.product-grid.list-mode {
  grid-template-columns: 1fr;
  gap: 10px;
}

/* Product Card */
.product-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  overflow: hidden;
  cursor: pointer;
  transition: transform 0.22s var(--ease), box-shadow 0.22s var(--ease), border-color 0.18s;
  animation: fadeUp 0.35s var(--ease) both;
  position: relative;
}
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(12px); }
  to   { opacity: 1; transform: translateY(0); }
}
.product-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: var(--border-dark);
}
.product-card:hover .card-img img { transform: scale(1.05); }

/* SEO link — invisible, full overlay */
.card-seo-link {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.card-img {
  aspect-ratio: 1;
  background: var(--gray-50);
  overflow: hidden;
  position: relative;
}
.card-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s var(--ease);
}
.img-placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 40px;
}
.card-badge {
  position: absolute;
  top: 12px;
  left: 12px;
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  padding: 3px 9px;
  border-radius: 999px;
  z-index: 1;
}
.badge-stock { background: var(--green-bg); color: var(--green); }
.badge-low   { background: var(--amber-bg); color: var(--amber); }
.badge-out   { background: var(--red-bg);   color: var(--red);   }
.badge-login { background: var(--gray-100); color: var(--gray-500); }

.card-body { padding: 16px; }
.card-brand {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  color: var(--cobalt);
  margin-bottom: 5px;
}
.card-name {
  font-size: 14px;
  font-weight: 500;
  color: var(--gray-900);
  line-height: 1.45;
  margin-bottom: 10px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.card-meta { display: flex; gap: 5px; flex-wrap: wrap; margin-bottom: 12px; }
.card-tag {
  font-size: 11px;
  color: var(--gray-500);
  background: var(--gray-50);
  border: 1px solid var(--border);
  padding: 2px 8px;
  border-radius: var(--r-xs);
}
.card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 12px;
  border-top: 1px solid var(--border);
}
.card-price {
  font-family: var(--font-display);
  font-size: 20px;
  letter-spacing: -0.025em;
  color: var(--gray-900);
  line-height: 1;
}
.card-price small {
  font-family: var(--font-body);
  font-size: 11px;
  font-weight: 400;
  color: var(--gray-400);
  display: block;
  margin-top: 3px;
  letter-spacing: 0;
}
.card-add {
  width: 34px;
  height: 34px;
  border-radius: var(--r-sm);
  background: var(--navy);
  color: var(--white);
  border: none;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: background 0.15s, transform 0.12s;
  font-size: 18px;
  line-height: 1;
  flex-shrink: 0;
  position: relative;
  z-index: 2;
}
.card-add:hover { background: var(--cobalt); transform: scale(1.07); }

/* List mode */
.product-grid.list-mode .product-card { display: flex; flex-direction: row; border-radius: var(--r-md); }
.product-grid.list-mode .card-img { width: 96px; height: 96px; aspect-ratio: unset; flex-shrink: 0; }
.product-grid.list-mode .card-body { flex: 1; display: flex; align-items: center; gap: 16px; flex-wrap: wrap; padding: 12px 16px; }
.product-grid.list-mode .card-name { flex: 1; min-width: 200px; margin-bottom: 0; -webkit-line-clamp: 1; }
.product-grid.list-mode .card-meta { margin-bottom: 0; }

/* ── Loading / Empty ──────────────────────────────────────────────────────── */
.loading-state {
  grid-column: 1/-1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 16px;
  padding: 96px 0;
  color: var(--gray-400);
}
.spinner {
  width: 36px;
  height: 36px;
  border: 2.5px solid var(--border);
  border-top-color: var(--cobalt);
  border-radius: 50%;
  animation: rotate 0.75s linear infinite;
}
@keyframes rotate { to { transform: rotate(360deg); } }

.empty-state {
  grid-column: 1/-1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 80px 24px;
  text-align: center;
}
.empty-state .empty-icon { font-size: 48px; margin-bottom: 20px; opacity: 0.4; }
.empty-state h3 { font-family: var(--font-display); font-size: 22px; margin-bottom: 8px; color: var(--gray-700); }
.empty-state p { color: var(--gray-400); max-width: 300px; font-size: 14px; }

/* ── Pagination ───────────────────────────────────────────────────────────── */
.pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 4px;
  padding: 40px 0 20px;
}
.page-btn {
  min-width: 38px;
  height: 38px;
  padding: 0 12px;
  border: 1.5px solid var(--border);
  background: var(--white);
  border-radius: var(--r-sm);
  font-family: var(--font-body);
  font-size: 13px;
  font-weight: 500;
  color: var(--gray-500);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.15s;
}
.page-btn:hover:not(:disabled) { border-color: var(--cobalt); color: var(--cobalt); }
.page-btn.active { background: var(--navy); border-color: var(--navy); color: var(--white); }
.page-btn:disabled { opacity: 0.35; cursor: default; }
.page-ellipsis { padding: 0 4px; color: var(--gray-300); font-size: 13px; }

/* ── Modal ────────────────────────────────────────────────────────────────── */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(8,15,30,0.65);
  backdrop-filter: blur(8px);
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.22s;
}
.modal-overlay.open { opacity: 1; pointer-events: all; }

.modal {
  background: var(--white);
  border-radius: var(--r-xl);
  max-width: 920px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  position: relative;
  transform: scale(0.95) translateY(20px);
  transition: transform 0.3s var(--ease);
  scrollbar-width: thin;
  box-shadow: var(--shadow-lg);
}
.modal-overlay.open .modal { transform: scale(1) translateY(0); }

.modal-close {
  position: sticky;
  top: 16px;
  float: right;
  margin: 16px 16px 0 0;
  width: 38px;
  height: 38px;
  border-radius: var(--r-sm);
  border: 1.5px solid var(--border);
  background: var(--white);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  color: var(--gray-400);
  transition: all 0.15s;
  z-index: 10;
  flex-shrink: 0;
}
.modal-close:hover { border-color: var(--gray-900); color: var(--gray-900); }

.modal-body { padding: 0 36px 40px; clear: both; }

.modal-product { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; }
@media (max-width: 680px) { .modal-product { grid-template-columns: 1fr; } }

.modal-gallery { display: flex; flex-direction: column; gap: 10px; }
.modal-main-img {
  aspect-ratio: 1;
  background: var(--gray-50);
  border-radius: var(--r-lg);
  border: 1px solid var(--border);
  overflow: hidden;
}
.modal-main-img img { width: 100%; height: 100%; object-fit: cover; }
.modal-thumbs { display: flex; gap: 8px; }
.modal-thumb {
  width: 62px;
  height: 62px;
  border-radius: var(--r-sm);
  background: var(--gray-50);
  border: 2px solid transparent;
  overflow: hidden;
  cursor: pointer;
  transition: border-color 0.15s;
}
.modal-thumb.active { border-color: var(--cobalt); }
.modal-thumb img { width: 100%; height: 100%; object-fit: cover; }

.modal-info { display: flex; flex-direction: column; gap: 18px; }
.modal-cat {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--cobalt);
}
.modal-title {
  font-family: var(--font-display);
  font-size: 28px;
  letter-spacing: -0.025em;
  line-height: 1.18;
  color: var(--gray-900);
}
.modal-brand { font-size: 13px; color: var(--gray-400); }

.modal-price-block { display: flex; align-items: baseline; gap: 14px; }
.modal-price-each {
  font-family: var(--font-display);
  font-size: 40px;
  letter-spacing: -0.04em;
  color: var(--gray-900);
  line-height: 1;
}
.modal-price-case { font-size: 13px; color: var(--gray-400); }

.modal-avail {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.03em;
  padding: 5px 12px;
  border-radius: 999px;
}
.avail-in    { background: var(--green-bg); color: var(--green); }
.avail-limit { background: var(--amber-bg); color: var(--amber); }
.avail-out   { background: var(--red-bg);   color: var(--red);   }

.modal-desc {
  font-size: 14px;
  color: var(--gray-500);
  line-height: 1.75;
  border-top: 1px solid var(--border);
  padding-top: 18px;
}

.modal-specs {
  background: var(--gray-50);
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  overflow: hidden;
}
.spec-row {
  display: flex;
  gap: 12px;
  font-size: 13px;
  padding: 9px 16px;
  border-bottom: 1px solid var(--border);
}
.spec-row:last-child { border-bottom: none; }
.spec-label { color: var(--gray-400); min-width: 110px; font-weight: 500; }
.spec-value { color: var(--gray-900); }

.modal-features ul { list-style: none; display: flex; flex-direction: column; gap: 7px; }
.modal-features li {
  font-size: 13px;
  color: var(--gray-500);
  display: flex;
  align-items: flex-start;
  gap: 10px;
}
.modal-features li::before {
  content: '✓';
  color: var(--green);
  font-weight: 700;
  flex-shrink: 0;
}

.modal-actions { display: flex; gap: 10px; padding-top: 4px; }
.btn-primary {
  flex: 1;
  padding: 14px;
  background: var(--navy);
  color: var(--white);
  border: none;
  border-radius: var(--r-sm);
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.18s, transform 0.1s;
  letter-spacing: 0.01em;
}
.btn-primary:hover { background: var(--cobalt); }
.btn-primary:active { transform: scale(0.98); }

.btn-secondary {
  padding: 14px 18px;
  background: var(--white);
  color: var(--gray-700);
  border: 1.5px solid var(--border);
  border-radius: var(--r-sm);
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.15s;
}
.btn-secondary:hover { border-color: var(--gray-900); color: var(--gray-900); }

/* Similar products */
.similar-section {
  margin-top: 36px;
  border-top: 1px solid var(--border);
  padding-top: 28px;
}
.similar-title {
  font-family: var(--font-display);
  font-size: 22px;
  letter-spacing: -0.02em;
  margin-bottom: 16px;
  color: var(--gray-900);
}
.similar-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(156px, 1fr));
  gap: 12px;
}

/* ── Toast ────────────────────────────────────────────────────────────────── */
.toast {
  position: fixed;
  bottom: 28px;
  left: 50%;
  transform: translateX(-50%) translateY(12px);
  background: var(--navy);
  color: var(--white);
  padding: 12px 20px;
  border-radius: var(--r-sm);
  font-size: 13px;
  font-weight: 500;
  opacity: 0;
  pointer-events: none;
  transition: all 0.28s var(--ease);
  z-index: 400;
  white-space: nowrap;
  box-shadow: var(--shadow-md);
  letter-spacing: 0.01em;
}
.toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }

/* ── Skeleton ─────────────────────────────────────────────────────────────── */
.skeleton {
  background: linear-gradient(90deg, var(--gray-100) 25%, var(--gray-200) 50%, var(--gray-100) 75%);
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite;
  border-radius: var(--r-xs);
}
@keyframes shimmer { to { background-position: -200% 0; } }

/* ── Responsive ───────────────────────────────────────────────────────────── */
@media (max-width: 1024px) {
  .hero-inner { grid-template-columns: 1fr; }
  .hero-stats { flex-direction: row; width: fit-content; }
  .stat { flex-direction: column; gap: 0; min-width: 100px; }
}
@media (max-width: 900px) {
  .sidebar {
    position: fixed;
    left: -290px;
    top: 0;
    bottom: 0;
    z-index: 150;
    border-radius: 0;
    width: 290px;
    max-height: 100vh;
    transition: left 0.3s var(--ease);
    box-shadow: var(--shadow-lg);
  }
  .sidebar.mobile-open { left: 0; }
  .sidebar.collapsed { display: flex; }
  .layout { padding: 16px; }
  .hero-bar { padding: 48px 20px; }
  .header-inner { padding: 0 20px; }
  .cat-nav-inner { padding: 8px 20px; }
}
@media (max-width: 600px) {
  .header-inner { padding: 0 16px; gap: 12px; }
  .hero-bar h1 { font-size: 34px; }
  .product-grid { grid-template-columns: repeat(auto-fill, minmax(160px, 1fr)); gap: 12px; }
  .modal-body { padding: 0 20px 28px; }
  .layout { padding: 12px 16px; }
}