@import url('https://fonts.googleapis.com/css2?family=Space+Mono:wght@400;700&family=IBM+Plex+Sans:wght@300;400;500;600&family=JetBrains+Mono:wght@400;500&display=swap');

:root {
  --bg-primary: #0D1117;
  --bg-secondary: #161B22;
  --bg-tertiary: #21262D;
  --bg-hover: #2D333B;
  --accent-blue: #2563EB;
  --accent-blue-hover: #1D4ED8;
  --accent-cyan: #22D3EE;
  --text-primary: #F0F6FC;
  --text-secondary: #8B949E;
  --text-muted: #6E7681;
  --border-color: #30363D;
  --border-hover: #484F58;
  --success: #3FB950;
  --warning: #D29922;
  --danger: #F85149;
  --info: #58A6FF;
  --radius-sm: 6px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: 'IBM Plex Sans', sans-serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  font-size: 16px;
  line-height: 1.6;
  min-height: 100vh;
}

h1, h2, h3, h4, h5 {
  font-family: 'Space Mono', monospace;
  line-height: 1.3;
}

a { color: var(--info); text-decoration: none; }
a:hover { color: var(--accent-cyan); }

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

button { cursor: pointer; font-family: 'IBM Plex Sans', sans-serif; }

input, select, textarea {
  font-family: 'IBM Plex Sans', sans-serif;
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  border-radius: var(--radius-md);
  padding: 10px 14px;
  font-size: 14px;
  width: 100%;
  transition: border-color 0.2s;
  outline: none;
}

input:focus, select:focus, textarea:focus {
  border-color: var(--accent-blue);
}

input::placeholder, textarea::placeholder { color: var(--text-muted); }

select option { background: var(--bg-tertiary); }

/* ─── SCROLLBAR ─────────────────────────────────────────── */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: var(--bg-primary); }
::-webkit-scrollbar-thumb { background: var(--border-hover); border-radius: 3px; }

/* ─── BUTTONS ────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 20px;
  border-radius: var(--radius-md);
  font-size: 14px;
  font-weight: 500;
  border: 1px solid transparent;
  transition: all 0.2s;
  white-space: nowrap;
  text-decoration: none;
}

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

.btn-outline {
  background: transparent;
  color: var(--text-primary);
  border-color: var(--border-hover);
}
.btn-outline:hover { background: var(--bg-hover); border-color: var(--text-secondary); }

.btn-success { background: var(--success); color: #0D1117; border-color: var(--success); }
.btn-danger { background: var(--danger); color: #fff; border-color: var(--danger); }
.btn-ghost { background: transparent; border-color: transparent; color: var(--text-secondary); }
.btn-ghost:hover { background: var(--bg-hover); color: var(--text-primary); }

.btn-lg { padding: 14px 28px; font-size: 16px; }
.btn-sm { padding: 6px 12px; font-size: 12px; }

.btn:disabled { opacity: 0.5; cursor: not-allowed; }

/* ─── NAVBAR ─────────────────────────────────────────────── */
.navbar {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(13,17,23,0.95);
  border-bottom: 1px solid var(--border-color);
  backdrop-filter: blur(10px);
}

.navbar-inner {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 24px;
  height: 64px;
  display: flex;
  align-items: center;
  gap: 24px;
}

.navbar-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  flex-shrink: 0;
}

.navbar-logo img { height: 36px; width: 36px; object-fit: contain; border-radius: 6px; }

.logo-placeholder {
  width: 36px;
  height: 36px;
  background: var(--accent-blue);
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: 'Space Mono', monospace;
  font-size: 13px;
  font-weight: 700;
  color: #fff;
}

.navbar-brand {
  font-family: 'Space Mono', monospace;
  font-size: 16px;
  font-weight: 700;
  color: var(--text-primary);
}

.navbar-brand span { color: var(--accent-cyan); }

.navbar-nav {
  display: flex;
  align-items: center;
  gap: 4px;
  margin-left: auto;
  list-style: none;
}

.navbar-nav a {
  padding: 8px 12px;
  border-radius: var(--radius-md);
  font-size: 14px;
  color: var(--text-secondary);
  transition: all 0.2s;
}
.navbar-nav a:hover, .navbar-nav a.active {
  color: var(--text-primary);
  background: var(--bg-hover);
}

.navbar-actions {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-left: 8px;
}

.cart-btn {
  position: relative;
  padding: 8px 12px;
  border-radius: var(--radius-md);
  background: transparent;
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  font-size: 18px;
  transition: all 0.2s;
  display: flex;
  align-items: center;
}
.cart-btn:hover { background: var(--bg-hover); border-color: var(--border-hover); }

.cart-count {
  position: absolute;
  top: -4px;
  right: -4px;
  background: var(--accent-blue);
  color: #fff;
  font-size: 10px;
  font-weight: 700;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.user-avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  object-fit: cover;
  cursor: pointer;
  border: 2px solid var(--border-color);
}

.user-menu-wrap { position: relative; }

.user-dropdown {
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  min-width: 180px;
  padding: 8px;
  display: none;
  z-index: 200;
}

.user-dropdown.open { display: block; }

.user-dropdown a {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 12px;
  border-radius: var(--radius-md);
  font-size: 14px;
  color: var(--text-secondary);
  transition: all 0.2s;
}
.user-dropdown a:hover { background: var(--bg-hover); color: var(--text-primary); }
.user-dropdown .divider { height: 1px; background: var(--border-color); margin: 6px 0; }

.hamburger {
  display: none;
  background: transparent;
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  padding: 8px 10px;
  border-radius: var(--radius-md);
  font-size: 18px;
  cursor: pointer;
}

/* ─── HERO ───────────────────────────────────────────────── */
.hero {
  background: var(--bg-primary);
  border-bottom: 1px solid var(--border-color);
  padding: 80px 24px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(37,99,235,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(37,99,235,0.04) 1px, transparent 1px);
  background-size: 40px 40px;
  pointer-events: none;
}

.hero-content { position: relative; max-width: 680px; margin: 0 auto; }

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(37,99,235,0.12);
  border: 1px solid rgba(37,99,235,0.3);
  color: var(--info);
  font-size: 12px;
  padding: 5px 12px;
  border-radius: 20px;
  margin-bottom: 24px;
}

.hero h1 {
  font-size: clamp(28px, 5vw, 48px);
  color: var(--text-primary);
  margin-bottom: 16px;
}
.hero h1 span { color: var(--accent-cyan); }

.hero p {
  font-size: 18px;
  color: var(--text-secondary);
  margin-bottom: 32px;
}

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

/* ─── STATS BAR ──────────────────────────────────────────── */
.stats-bar {
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border-color);
  padding: 20px 24px;
}

.stats-inner {
  max-width: 1280px;
  margin: 0 auto;
  display: flex;
  justify-content: center;
  gap: 48px;
  flex-wrap: wrap;
}

.stat-item {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
}

.stat-icon {
  width: 36px;
  height: 36px;
  background: rgba(37,99,235,0.12);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--info);
  font-size: 16px;
}

.stat-label { color: var(--text-secondary); }
.stat-value { color: var(--text-primary); font-weight: 600; font-size: 16px; }

/* ─── SECTION ────────────────────────────────────────────── */
.section { padding: 64px 24px; }
.section-sm { padding: 40px 24px; }

.container { max-width: 1280px; margin: 0 auto; }

.section-header { text-align: center; margin-bottom: 48px; }
.section-header h2 { font-size: 28px; margin-bottom: 12px; }
.section-header p { color: var(--text-secondary); font-size: 16px; }

/* ─── CATEGORY GRID ──────────────────────────────────────── */
.category-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  gap: 12px;
}

.category-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 20px 16px;
  text-align: center;
  cursor: pointer;
  transition: all 0.2s;
  text-decoration: none;
  display: block;
}

.category-card:hover {
  border-color: var(--accent-blue);
  background: var(--bg-hover);
  transform: translateY(-2px);
}

.cat-icon {
  width: 48px;
  height: 48px;
  background: rgba(37,99,235,0.12);
  border-radius: var(--radius-md);
  margin: 0 auto 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
}

.category-card h3 {
  font-family: 'IBM Plex Sans', sans-serif;
  font-size: 13px;
  font-weight: 500;
  color: var(--text-primary);
}

/* ─── PRODUCT CARD ───────────────────────────────────────── */
.products-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 16px;
}

.product-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all 0.2s;
  position: relative;
  display: flex;
  flex-direction: column;
}

.product-card:hover {
  border-color: var(--border-hover);
  transform: translateY(-2px);
}

.product-img-wrap {
  position: relative;
  aspect-ratio: 4/3;
  background: var(--bg-tertiary);
  overflow: hidden;
}

.product-img-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s;
}
.product-card:hover .product-img-wrap img { transform: scale(1.05); }

.product-img-placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  font-size: 40px;
}

.product-badges {
  position: absolute;
  top: 8px;
  left: 8px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.wishlist-btn {
  position: absolute;
  top: 8px;
  right: 8px;
  width: 32px;
  height: 32px;
  background: rgba(13,17,23,0.8);
  border: 1px solid var(--border-color);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  color: var(--text-secondary);
  font-size: 14px;
  transition: all 0.2s;
}
.wishlist-btn:hover, .wishlist-btn.active { color: var(--danger); border-color: var(--danger); }

.product-body {
  padding: 14px;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.product-cat {
  font-size: 11px;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 4px;
}

.product-name {
  font-size: 14px;
  font-weight: 500;
  color: var(--text-primary);
  margin-bottom: 8px;
  line-height: 1.4;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.product-rating {
  display: flex;
  align-items: center;
  gap: 4px;
  margin-bottom: 10px;
  font-size: 12px;
  color: var(--warning);
}
.product-rating span { color: var(--text-muted); }

.product-price {
  display: flex;
  align-items: baseline;
  gap: 8px;
  margin-bottom: 12px;
  margin-top: auto;
}

.price-current {
  font-size: 18px;
  font-weight: 700;
  color: var(--text-primary);
  font-family: 'Space Mono', monospace;
}

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

.price-save {
  font-size: 11px;
  color: var(--success);
  background: rgba(63,185,80,0.1);
  padding: 2px 6px;
  border-radius: 4px;
}

.product-actions { display: flex; gap: 8px; }

.product-actions .btn { flex: 1; justify-content: center; font-size: 13px; padding: 8px 12px; }

/* ─── BADGE ──────────────────────────────────────────────── */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 3px 8px;
  border-radius: 4px;
  font-size: 11px;
  font-weight: 500;
  white-space: nowrap;
}

.badge-like-new { background: #1A3A2A; color: #3FB950; }
.badge-good { background: #1A2A3A; color: #58A6FF; }
.badge-fair { background: #3A2A1A; color: #D29922; }
.badge-for-parts { background: #3A1A1A; color: #F85149; }
.badge-available { background: rgba(63,185,80,0.15); color: var(--success); }
.badge-sourcing { background: rgba(210,153,34,0.15); color: var(--warning); }
.badge-reserved { background: rgba(88,166,255,0.15); color: var(--info); }
.badge-out-of-stock { background: rgba(248,81,73,0.15); color: var(--danger); }
.badge-tested { background: rgba(34,211,238,0.1); color: var(--accent-cyan); }
.badge-blue { background: rgba(37,99,235,0.15); color: var(--info); }
.badge-success { background: rgba(63,185,80,0.15); color: var(--success); }
.badge-warning { background: rgba(210,153,34,0.15); color: var(--warning); }
.badge-danger { background: rgba(248,81,73,0.15); color: var(--danger); }

/* ─── HOW IT WORKS ───────────────────────────────────────── */
.steps-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 24px;
}

.step-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 28px 24px;
  text-align: center;
  position: relative;
}

.step-num {
  width: 44px;
  height: 44px;
  background: var(--accent-blue);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: 'Space Mono', monospace;
  font-weight: 700;
  font-size: 18px;
  color: #fff;
  margin: 0 auto 16px;
}

.step-card h3 {
  font-family: 'IBM Plex Sans', sans-serif;
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 8px;
}

.step-card p { font-size: 14px; color: var(--text-secondary); }

/* ─── CONDITION GUIDE ────────────────────────────────────── */
.condition-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 16px;
}

.condition-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 20px;
}

.condition-card h3 {
  font-family: 'IBM Plex Sans', sans-serif;
  font-size: 15px;
  font-weight: 600;
  margin-bottom: 8px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.condition-card p { font-size: 13px; color: var(--text-secondary); }

/* ─── FOOTER ─────────────────────────────────────────────── */
footer {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border-color);
  padding: 48px 24px 24px;
}

.footer-grid {
  max-width: 1280px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 40px;
  border-bottom: 1px solid var(--border-color);
}

.footer-brand p { font-size: 14px; color: var(--text-secondary); margin-top: 12px; line-height: 1.7; }

.footer-col h4 {
  font-family: 'IBM Plex Sans', sans-serif;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 16px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.footer-col ul { list-style: none; }
.footer-col ul li { margin-bottom: 10px; }
.footer-col ul li a { font-size: 14px; color: var(--text-secondary); transition: color 0.2s; }
.footer-col ul li a:hover { color: var(--text-primary); }

.footer-social {
  display: flex;
  gap: 8px;
  margin-top: 12px;
}

.social-btn {
  width: 36px;
  height: 36px;
  background: var(--bg-hover);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
  font-size: 16px;
  transition: all 0.2s;
  text-decoration: none;
}
.social-btn:hover { color: var(--text-primary); border-color: var(--border-hover); background: var(--bg-tertiary); }

.footer-bottom {
  max-width: 1280px;
  margin: 24px auto 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 13px;
  color: var(--text-muted);
  flex-wrap: wrap;
  gap: 8px;
}

/* ─── FLOATING BUTTONS ───────────────────────────────────── */
.floating-btns {
  position: fixed;
  bottom: 24px;
  right: 24px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  z-index: 90;
}

.floating-wa {
  width: 52px;
  height: 52px;
  background: #25D366;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 24px;
  text-decoration: none;
  animation: pulse 2s infinite;
  border: none;
}

@keyframes pulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(37,211,102,0.4); }
  50% { box-shadow: 0 0 0 10px rgba(37,211,102,0); }
}

.back-top {
  width: 44px;
  height: 44px;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
  font-size: 18px;
  cursor: pointer;
  opacity: 0;
  transition: all 0.3s;
}
.back-top.visible { opacity: 1; }
.back-top:hover { color: var(--text-primary); background: var(--bg-hover); }

/* ─── MODAL ──────────────────────────────────────────────── */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.7);
  z-index: 300;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  opacity: 0;
  visibility: hidden;
  transition: all 0.2s;
}

.modal-overlay.open { opacity: 1; visibility: visible; }

.modal {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-xl);
  max-width: 480px;
  width: 100%;
  padding: 32px;
  transform: scale(0.95);
  transition: transform 0.2s;
}

.modal-overlay.open .modal { transform: scale(1); }

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 24px;
}

.modal-close {
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-size: 20px;
  cursor: pointer;
  padding: 4px;
  transition: color 0.2s;
}
.modal-close:hover { color: var(--text-primary); }

/* ─── LOGIN MODAL ────────────────────────────────────────── */
.login-modal { text-align: center; }
.login-modal h2 { font-size: 22px; margin-bottom: 8px; }
.login-modal p { color: var(--text-secondary); font-size: 14px; margin-bottom: 28px; }

.btn-google {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  width: 100%;
  padding: 12px 20px;
  background: var(--bg-tertiary);
  border: 1px solid var(--border-hover);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-size: 15px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s;
}
.btn-google:hover { background: var(--bg-hover); border-color: var(--text-secondary); }

.btn-google img { width: 20px; height: 20px; }

/* ─── PAGE HEADER ────────────────────────────────────────── */
.page-header {
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border-color);
  padding: 32px 24px;
}

.page-header h1 { font-size: 24px; margin-bottom: 4px; }
.page-header p { color: var(--text-secondary); font-size: 14px; }

/* ─── BREADCRUMB ─────────────────────────────────────────── */
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  color: var(--text-muted);
  margin-bottom: 8px;
}
.breadcrumb a { color: var(--text-secondary); }
.breadcrumb a:hover { color: var(--info); }
.breadcrumb span { color: var(--text-muted); }

/* ─── FILTER SIDEBAR ─────────────────────────────────────── */
.products-layout {
  display: grid;
  grid-template-columns: 240px 1fr;
  gap: 24px;
  align-items: start;
}

.filter-sidebar {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 20px;
  position: sticky;
  top: 80px;
}

.filter-group { margin-bottom: 24px; }
.filter-group:last-child { margin-bottom: 0; }

.filter-group h4 {
  font-family: 'IBM Plex Sans', sans-serif;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 12px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.filter-option {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 8px;
  cursor: pointer;
}

.filter-option input[type="checkbox"] {
  width: 16px;
  height: 16px;
  border-radius: 4px;
  accent-color: var(--accent-blue);
  flex-shrink: 0;
}

.filter-option label {
  font-size: 13px;
  color: var(--text-secondary);
  cursor: pointer;
}

.price-range-wrap { padding: 8px 0; }
.price-range-wrap input[type="range"] {
  padding: 0;
  background: transparent;
  border: none;
  accent-color: var(--accent-blue);
}
.price-range-labels {
  display: flex;
  justify-content: space-between;
  font-size: 12px;
  color: var(--text-muted);
  margin-top: 6px;
}

/* ─── PRODUCT DETAIL ─────────────────────────────────────── */
.product-detail-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: start;
}

.gallery-main {
  aspect-ratio: 1;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  overflow: hidden;
  margin-bottom: 12px;
}

.gallery-main img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.gallery-thumbs {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.gallery-thumb {
  width: 64px;
  height: 64px;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  overflow: hidden;
  cursor: pointer;
  transition: border-color 0.2s;
}
.gallery-thumb.active, .gallery-thumb:hover { border-color: var(--accent-blue); }
.gallery-thumb img { width: 100%; height: 100%; object-fit: cover; }

.product-detail-info h1 { font-size: 24px; margin-bottom: 12px; }

.product-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 16px;
}

.product-price-detail {
  margin-bottom: 20px;
  padding: 16px;
  background: var(--bg-tertiary);
  border-radius: var(--radius-lg);
}

.product-price-detail .price-current { font-size: 28px; }

.specs-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
  margin-bottom: 20px;
}

.specs-table tr { border-bottom: 1px solid var(--border-color); }
.specs-table tr:last-child { border-bottom: none; }
.specs-table td { padding: 10px 12px; }
.specs-table td:first-child { color: var(--text-secondary); width: 40%; background: var(--bg-tertiary); }

.qty-wrap {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
}

.qty-ctrl {
  display: flex;
  align-items: center;
  gap: 0;
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.qty-btn {
  width: 36px;
  height: 36px;
  background: transparent;
  border: none;
  color: var(--text-primary);
  font-size: 18px;
  cursor: pointer;
  transition: background 0.2s;
  display: flex;
  align-items: center;
  justify-content: center;
}
.qty-btn:hover { background: var(--bg-hover); }

.qty-input {
  width: 48px;
  height: 36px;
  background: transparent;
  border: none;
  border-left: 1px solid var(--border-color);
  border-right: 1px solid var(--border-color);
  text-align: center;
  color: var(--text-primary);
  font-size: 14px;
  font-weight: 600;
  padding: 0;
  border-radius: 0;
}

/* ─── CART ───────────────────────────────────────────────── */
.cart-layout {
  display: grid;
  grid-template-columns: 1fr 360px;
  gap: 24px;
  align-items: start;
}

.cart-item {
  display: flex;
  gap: 16px;
  padding: 16px;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  margin-bottom: 12px;
}

.cart-item-img {
  width: 80px;
  height: 80px;
  background: var(--bg-tertiary);
  border-radius: var(--radius-md);
  overflow: hidden;
  flex-shrink: 0;
}
.cart-item-img img { width: 100%; height: 100%; object-fit: cover; }

.cart-item-body { flex: 1; }
.cart-item-name { font-weight: 500; font-size: 15px; margin-bottom: 4px; }
.cart-item-meta { font-size: 12px; color: var(--text-muted); margin-bottom: 10px; }

.order-summary-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 20px;
  position: sticky;
  top: 80px;
}

.order-summary-card h3 {
  font-family: 'IBM Plex Sans', sans-serif;
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border-color);
}

.summary-row {
  display: flex;
  justify-content: space-between;
  font-size: 14px;
  margin-bottom: 10px;
  color: var(--text-secondary);
}

.summary-row.total {
  color: var(--text-primary);
  font-weight: 600;
  font-size: 16px;
  padding-top: 12px;
  border-top: 1px solid var(--border-color);
  margin-top: 4px;
}

.free-delivery-bar {
  background: var(--bg-tertiary);
  border-radius: 4px;
  height: 6px;
  margin: 12px 0;
  overflow: hidden;
}
.free-delivery-fill {
  height: 100%;
  background: var(--success);
  border-radius: 4px;
  transition: width 0.3s;
}

.coupon-row {
  display: flex;
  gap: 8px;
  margin: 16px 0;
}
.coupon-row input { flex: 1; }

/* ─── CHECKOUT ───────────────────────────────────────────── */
.checkout-steps {
  display: flex;
  align-items: center;
  gap: 0;
  margin-bottom: 36px;
}

.checkout-step {
  display: flex;
  align-items: center;
  gap: 10px;
  flex: 1;
  font-size: 13px;
}

.step-circle {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--bg-tertiary);
  border: 2px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
  font-size: 13px;
  color: var(--text-muted);
  flex-shrink: 0;
  transition: all 0.3s;
}

.checkout-step.active .step-circle {
  background: var(--accent-blue);
  border-color: var(--accent-blue);
  color: #fff;
}

.checkout-step.done .step-circle {
  background: var(--success);
  border-color: var(--success);
  color: #fff;
}

.step-label { color: var(--text-muted); }
.checkout-step.active .step-label, .checkout-step.done .step-label { color: var(--text-primary); }

.step-line {
  flex: 1;
  height: 2px;
  background: var(--border-color);
  margin: 0 8px;
}

.form-group { margin-bottom: 16px; }
.form-label {
  display: block;
  font-size: 13px;
  color: var(--text-secondary);
  margin-bottom: 6px;
  font-weight: 500;
}

.form-grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.payment-option {
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 16px;
  cursor: pointer;
  transition: all 0.2s;
  margin-bottom: 12px;
}
.payment-option:hover, .payment-option.selected {
  border-color: var(--accent-blue);
  background: rgba(37,99,235,0.05);
}

.payment-option-header {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 8px;
}
.payment-option-header input[type="radio"] { accent-color: var(--accent-blue); }

.upi-details {
  background: var(--bg-tertiary);
  border-radius: var(--radius-md);
  padding: 16px;
  text-align: center;
  margin-top: 12px;
}

.upi-details img { width: 120px; height: 120px; margin: 0 auto 12px; border-radius: 8px; }
.upi-id { font-family: 'JetBrains Mono', monospace; font-size: 14px; color: var(--accent-cyan); }

/* ─── ORDER TRACKING ─────────────────────────────────────── */
.tracking-timeline {
  position: relative;
  padding-left: 32px;
}

.tracking-timeline::before {
  content: '';
  position: absolute;
  left: 10px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: var(--border-color);
}

.timeline-item {
  position: relative;
  margin-bottom: 24px;
}

.timeline-dot {
  position: absolute;
  left: -27px;
  top: 4px;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--border-color);
  border: 2px solid var(--bg-primary);
}

.timeline-item.done .timeline-dot { background: var(--success); }
.timeline-item.active .timeline-dot { background: var(--accent-blue); }

.timeline-title {
  font-weight: 500;
  font-size: 14px;
  margin-bottom: 2px;
}
.timeline-item.done .timeline-title { color: var(--text-primary); }
.timeline-item:not(.done):not(.active) .timeline-title { color: var(--text-muted); }

.timeline-date { font-size: 12px; color: var(--text-muted); }

/* ─── TRUST BADGES ───────────────────────────────────────── */
.trust-badges {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
  margin-top: 20px;
}

.trust-badge {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  color: var(--text-secondary);
}

.trust-badge i { color: var(--success); font-size: 14px; }

/* ─── TOAST ──────────────────────────────────────────────── */
.toast-container {
  position: fixed;
  bottom: 80px;
  right: 24px;
  z-index: 400;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.toast {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 12px 16px;
  font-size: 14px;
  min-width: 240px;
  max-width: 320px;
  display: flex;
  align-items: center;
  gap: 10px;
  animation: slideInRight 0.3s ease;
}
.toast.success { border-color: var(--success); }
.toast.error { border-color: var(--danger); }
.toast.success i { color: var(--success); }
.toast.error i { color: var(--danger); }

@keyframes slideInRight {
  from { transform: translateX(100%); opacity: 0; }
  to { transform: translateX(0); opacity: 1; }
}

/* ─── LOADING ────────────────────────────────────────────── */
.spinner {
  width: 20px;
  height: 20px;
  border: 2px solid var(--border-color);
  border-top-color: var(--accent-blue);
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
  display: inline-block;
}

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

.skeleton {
  background: var(--bg-tertiary);
  border-radius: var(--radius-md);
  animation: shimmer 1.5s infinite;
}

@keyframes shimmer {
  0%, 100% { opacity: 0.5; }
  50% { opacity: 1; }
}

/* ─── EMPTY STATE ────────────────────────────────────────── */
.empty-state {
  text-align: center;
  padding: 64px 24px;
  color: var(--text-secondary);
}

.empty-state i { font-size: 48px; margin-bottom: 16px; color: var(--text-muted); display: block; }
.empty-state h3 { font-family: 'IBM Plex Sans', sans-serif; font-size: 18px; margin-bottom: 8px; color: var(--text-primary); }
.empty-state p { font-size: 14px; margin-bottom: 20px; }

/* ─── PAGINATION ─────────────────────────────────────────── */
.pagination {
  display: flex;
  justify-content: center;
  gap: 6px;
  margin-top: 32px;
}

.pagination button {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-md);
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s;
}

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

/* ─── ACCOUNT ────────────────────────────────────────────── */
.account-layout {
  display: grid;
  grid-template-columns: 240px 1fr;
  gap: 24px;
  align-items: start;
}

.account-sidebar {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 16px;
  position: sticky;
  top: 80px;
}

.account-avatar {
  text-align: center;
  padding: 20px;
  border-bottom: 1px solid var(--border-color);
  margin-bottom: 12px;
}

.account-avatar img {
  width: 72px;
  height: 72px;
  border-radius: 50%;
  margin: 0 auto 12px;
  border: 2px solid var(--border-color);
}

.account-avatar h3 { font-family: 'IBM Plex Sans', sans-serif; font-size: 16px; margin-bottom: 4px; }
.account-avatar p { font-size: 13px; color: var(--text-muted); }

.account-nav-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  border-radius: var(--radius-md);
  font-size: 14px;
  color: var(--text-secondary);
  cursor: pointer;
  transition: all 0.2s;
  border: none;
  background: transparent;
  width: 100%;
  text-align: left;
}
.account-nav-item:hover, .account-nav-item.active {
  background: var(--bg-hover);
  color: var(--text-primary);
}
.account-nav-item i { width: 18px; text-align: center; font-size: 16px; }

/* ─── REVIEWS ────────────────────────────────────────────── */
.rating-bars { margin-bottom: 24px; }

.rating-bar-row {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 6px;
  font-size: 13px;
  color: var(--text-secondary);
}

.rating-bar-track {
  flex: 1;
  height: 6px;
  background: var(--bg-tertiary);
  border-radius: 3px;
  overflow: hidden;
}
.rating-bar-fill { height: 100%; background: var(--warning); border-radius: 3px; }

.review-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 16px;
  margin-bottom: 12px;
}

.review-header {
  display: flex;
  justify-content: space-between;
  margin-bottom: 8px;
}

.reviewer-info { display: flex; align-items: center; gap: 10px; }
.reviewer-avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--bg-hover);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  font-weight: 600;
  color: var(--info);
}

.reviewer-name { font-weight: 500; font-size: 14px; }
.review-date { font-size: 12px; color: var(--text-muted); }
.review-title { font-weight: 600; font-size: 14px; margin-bottom: 4px; }
.review-body { font-size: 14px; color: var(--text-secondary); }

/* ─── RESPONSIVE ─────────────────────────────────────────── */
@media (max-width: 1024px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .products-layout { grid-template-columns: 200px 1fr; }
}

@media (max-width: 768px) {
  .navbar-nav { display: none; }
  .hamburger { display: flex; margin-left: auto; }
  .navbar-nav.open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 64px;
    left: 0;
    right: 0;
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
    padding: 16px;
    gap: 4px;
  }
  .products-layout { grid-template-columns: 1fr; }
  .filter-sidebar { position: static; display: none; }
  .filter-sidebar.open { display: block; }
  .product-detail-layout { grid-template-columns: 1fr; }
  .cart-layout { grid-template-columns: 1fr; }
  .account-layout { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .checkout-step .step-label { display: none; }
  .form-grid-2 { grid-template-columns: 1fr; }
  .hero { padding: 48px 20px; }
  .section { padding: 40px 20px; }
}

@media (max-width: 480px) {
  .products-grid { grid-template-columns: 1fr 1fr; }
  .cart-item { flex-direction: column; }
  .cart-item-img { width: 100%; height: 160px; }
}