@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&display=swap');

:root {
  --navy: #0f172a;
  --navy-light: #1e293b;
  --navy-mid: #334155;
  --blue: #2563eb;
  --blue-light: #3b82f6;
  --blue-glow: rgba(37,99,235,0.15);
  --blue-dark: #1d4ed8;
  --white: #f8fafc;
  --text: #f1f5f9;
  --text-muted: #94a3b8;
  --text-dim: #64748b;
  --slate: #64748b;
  --slate-light: #94a3b8;
  --slate-dark: #475569;
  --card-bg: #ffffff;
  --card-text: #1e293b;
  --card-text-muted: #64748b;
  --border: rgba(148,163,184,0.15);
  --border-light: #e2e8f0;
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.3);
  --shadow-md: 0 4px 20px rgba(0,0,0,0.3);
  --shadow-lg: 0 8px 40px rgba(0,0,0,0.4);
  --shadow-glow: 0 0 30px var(--blue-glow);
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --transition: all 0.2s ease;
  --font: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --max-width: 1200px;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--font);
  color: var(--text);
  background: var(--navy);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; }
ul { list-style: none; }
img { max-width: 100%; display: block; }
button { cursor: pointer; font-family: inherit; border: none; background: none; color: inherit; }
input, select, textarea { font-family: inherit; }

.container { max-width: var(--max-width); margin: 0 auto; padding: 0 20px; }

h1, h2, h3, h4, h5 { font-weight: 600; line-height: 1.25; }
h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.5rem; }

.section-title {
  font-size: 1.75rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
  color: var(--white);
}

.section-subtitle {
  font-size: 0.9rem;
  color: var(--text-dim);
  margin-bottom: 2rem;
}

/* Notice Bar */
.notice-bar {
  background: var(--blue);
  color: var(--white);
  text-align: center;
  font-size: 0.8rem;
  padding: 8px 16px;
  letter-spacing: 0.3px;
}

/* Navbar */
.navbar {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(15,23,42,0.9);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
}

.navbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
}

.navbar-logo {
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--white);
  letter-spacing: 0.5px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.navbar-logo span {
  color: var(--blue);
}

.navbar-logo small {
  font-size: 0.65rem;
  font-weight: 400;
  color: var(--text-dim);
  letter-spacing: 0;
}

.navbar-links {
  display: flex;
  align-items: center;
  gap: 32px;
}

.navbar-links a {
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-muted);
  transition: var(--transition);
  position: relative;
}

.navbar-links a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--blue);
  transition: var(--transition);
  border-radius: 1px;
}

.navbar-links a:hover { color: var(--white); }
.navbar-links a:hover::after { width: 100%; }

.navbar-icons {
  display: flex;
  align-items: center;
  gap: 20px;
}

.navbar-icon {
  position: relative;
  color: var(--text-muted);
  transition: var(--transition);
  font-size: 1.2rem;
}

.navbar-icon:hover { color: var(--white); }

.cart-count {
  position: absolute;
  top: -8px;
  right: -10px;
  background: var(--blue);
  color: var(--white);
  font-size: 0.6rem;
  font-weight: 700;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.mobile-toggle {
  display: none;
  font-size: 1.5rem;
  color: var(--text-muted);
  background: none;
  border: none;
  cursor: pointer;
}

/* Hero */
.hero {
  position: relative;
  height: 480px;
  display: flex;
  align-items: center;
  overflow: hidden;
  background: var(--navy);
}

.hero::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background:
    radial-gradient(ellipse at 20% 50%, rgba(37,99,235,0.12) 0%, transparent 50%),
    radial-gradient(ellipse at 80% 50%, rgba(59,130,246,0.08) 0%, transparent 50%);
  animation: heroGradient 8s ease-in-out infinite alternate;
}

@keyframes heroGradient {
  0% { transform: translate(0, 0) rotate(0deg); }
  100% { transform: translate(-2%, -2%) rotate(2deg); }
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 680px;
}

.hero-subtitle {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 3px;
  color: var(--blue);
  font-weight: 600;
  margin-bottom: 1rem;
}

.hero-title {
  font-size: 3rem;
  font-weight: 800;
  color: var(--white);
  margin-bottom: 1rem;
  line-height: 1.15;
}

.hero-text {
  font-size: 1.05rem;
  color: var(--text-muted);
  margin-bottom: 2rem;
  line-height: 1.8;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  font-size: 0.85rem;
  font-weight: 600;
  border-radius: var(--radius-sm);
  transition: var(--transition);
  cursor: pointer;
  border: none;
}

.btn-primary {
  background: var(--blue);
  color: var(--white);
}

.btn-primary:hover {
  background: var(--blue-dark);
  box-shadow: var(--shadow-glow);
  transform: translateY(-1px);
}

.btn-outline {
  border: 2px solid var(--border);
  color: var(--text);
}

.btn-outline:hover {
  border-color: var(--blue);
  color: var(--blue);
}

.btn-dark {
  background: var(--navy-light);
  color: var(--white);
}

.btn-dark:hover {
  background: var(--navy-mid);
}

.btn-light {
  border: 2px solid var(--border);
  color: var(--text);
}

.btn-light:hover {
  background: var(--navy-light);
}

.btn-white {
  background: var(--white);
  color: var(--navy);
}

.btn-white:hover {
  background: var(--slate-light);
}

/* Stats Bar */
.stats-bar {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-bottom: 1px solid var(--border);
  background: var(--navy-light);
}

.stat-item {
  text-align: center;
  padding: 32px 20px;
  border-right: 1px solid var(--border);
}

.stat-item:last-child { border-right: none; }

.stat-number {
  font-size: 2rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 4px;
}

.stat-number span { color: var(--blue); }

.stat-label {
  font-size: 0.85rem;
  color: var(--text-dim);
}

/* Categories */
.categories {
  padding: 60px 0;
  background: var(--navy);
}

.category-grid {
  display: grid;
  gap: 16px;
}

.category-grid.first-row {
  grid-template-columns: repeat(3, 1fr);
}

.category-grid.second-row {
  grid-template-columns: repeat(2, 1fr);
  max-width: 66.666%;
  margin: 16px auto 0;
}

.category-card {
  display: flex;
  align-items: center;
  gap: 20px;
  background: var(--navy-light);
  border-left: 3px solid var(--blue);
  border-radius: var(--radius-md);
  padding: 28px;
  cursor: pointer;
  transition: var(--transition);
}

.category-card:hover {
  background: rgba(30,41,59,0.8);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.category-icon {
  font-size: 2.5rem;
  width: 60px;
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(37,99,235,0.1);
  border-radius: var(--radius-sm);
  flex-shrink: 0;
}

.category-info h3 {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--white);
  margin-bottom: 4px;
}

.category-info p {
  font-size: 0.85rem;
  color: var(--text-dim);
}

.category-count {
  color: var(--blue);
  font-weight: 600;
}

/* Products Section */
.products-section {
  padding: 60px 0;
  background: var(--navy);
}

.products-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  margin-bottom: 2rem;
}

.filter-tabs {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.filter-tab {
  padding: 8px 18px;
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--text-dim);
  cursor: pointer;
  transition: var(--transition);
  border-radius: 20px;
  border: 1px solid var(--border);
}

.filter-tab:hover {
  color: var(--white);
  border-color: var(--blue);
}

.filter-tab.active {
  background: var(--blue);
  color: var(--white);
  border-color: var(--blue);
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.product-card {
  background: var(--card-bg);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: var(--transition);
  cursor: pointer;
  border-bottom: 3px solid transparent;
  position: relative;
}

.product-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-bottom-color: var(--blue);
}

.product-img-wrap {
  position: relative;
  overflow: hidden;
  aspect-ratio: 1;
  background: var(--navy-light);
}

.product-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.product-card:hover .product-img { transform: scale(1.06); }

.product-category-tag {
  position: absolute;
  top: 10px;
  left: 10px;
  background: rgba(15,23,42,0.8);
  color: var(--text);
  font-size: 0.65rem;
  font-weight: 600;
  padding: 3px 10px;
  border-radius: 12px;
  backdrop-filter: blur(4px);
}

.product-add-btn {
  position: absolute;
  bottom: 10px;
  right: 10px;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--blue);
  color: var(--white);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  opacity: 0;
  transform: translateY(10px);
  transition: var(--transition);
  box-shadow: var(--shadow-md);
}

.product-card:hover .product-add-btn {
  opacity: 1;
  transform: translateY(0);
}

.product-add-btn:hover {
  background: var(--blue-dark);
  transform: translateY(-2px) scale(1.05);
}

.product-info {
  padding: 16px;
}

.product-name {
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--card-text);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  line-height: 1.4;
  min-height: 2.5em;
  margin-bottom: 10px;
}

.product-price-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.product-price {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--blue);
}

.product-price-original {
  font-size: 0.78rem;
  color: var(--card-text-muted);
  text-decoration: line-through;
  margin-left: 8px;
}

.product-sales {
  font-size: 0.72rem;
  color: var(--card-text-muted);
}

/* Banner */
.banner {
  padding: 60px 0;
  background: linear-gradient(135deg, var(--navy) 0%, rgba(37,99,235,0.15) 50%, var(--navy) 100%);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.banner-content {
  text-align: center;
  max-width: 600px;
  margin: 0 auto;
}

.banner h2 {
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 0.75rem;
}

.banner p {
  color: var(--text-muted);
  font-size: 0.95rem;
  margin-bottom: 1.5rem;
}

.newsletter-form {
  display: flex;
  gap: 8px;
  max-width: 440px;
  margin: 0 auto;
}

.newsletter-form input {
  flex: 1;
  padding: 12px 18px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
  background: var(--navy-light);
  color: var(--white);
  outline: none;
  transition: var(--transition);
}

.newsletter-form input:focus {
  border-color: var(--blue);
  box-shadow: 0 0 0 3px var(--blue-glow);
}

.newsletter-form input::placeholder {
  color: var(--text-dim);
}

/* Footer */
.footer {
  background: var(--navy);
  padding: 48px 0 0;
  border-top: 1px solid var(--border);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 40px;
}

.footer-brand {
  margin-bottom: 20px;
}

.footer-brand .navbar-logo {
  margin-bottom: 16px;
  display: inline-block;
}

.footer-about {
  font-size: 0.85rem;
  color: var(--text-dim);
  line-height: 1.8;
  margin-bottom: 20px;
}

.footer-socials {
  display: flex;
  gap: 10px;
}

.footer-social {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
  font-size: 0.8rem;
  color: var(--text-muted);
}

.footer-social:hover {
  border-color: var(--blue);
  color: var(--blue);
  background: var(--blue-glow);
}

.footer h4 {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--white);
  margin-bottom: 20px;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.footer-links li { margin-bottom: 10px; }

.footer-links a {
  font-size: 0.85rem;
  color: var(--text-dim);
  transition: var(--transition);
}

.footer-links a:hover {
  color: var(--blue);
}

.footer-bottom {
  border-top: 1px solid var(--border);
  padding: 20px 0;
  margin-top: 40px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.8rem;
  color: var(--text-dim);
}

.footer-bottom a { color: var(--text-muted); }
.footer-bottom a:hover { color: var(--blue); }

/* Breadcrumb */
.breadcrumb {
  padding: 20px 0;
  font-size: 0.8rem;
  color: var(--text-dim);
}

.breadcrumb a { color: var(--text-dim); }
.breadcrumb a:hover { color: var(--blue); }
.breadcrumb span { color: var(--text); }

/* Product Detail */
.product-detail { padding-bottom: 60px; }
.detail-layout { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; }

.gallery-main {
  aspect-ratio: 1;
  background: var(--navy-light);
  border-radius: var(--radius-md);
  overflow: hidden;
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
}

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

.gallery-thumbs {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
}

.gallery-thumb {
  aspect-ratio: 1;
  border-radius: var(--radius-sm);
  overflow: hidden;
  cursor: pointer;
  border: 2px solid transparent;
  transition: var(--transition);
}

.gallery-thumb:hover, .gallery-thumb.active { border-color: var(--blue); }
.gallery-thumb img { width: 100%; height: 100%; object-fit: cover; }

.detail-category {
  font-size: 0.75rem;
  color: var(--blue);
  text-transform: uppercase;
  letter-spacing: 1.5px;
  font-weight: 600;
  margin-bottom: 8px;
}

.detail-name {
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 12px;
}

.detail-rating {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 20px;
  font-size: 0.85rem;
  color: var(--text-dim);
}

.detail-stars { color: #f59e0b; }

.detail-price-wrap {
  padding: 20px 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  margin-bottom: 24px;
}

.detail-price {
  font-size: 2rem;
  font-weight: 700;
  color: var(--blue);
}

.detail-price-original {
  font-size: 1rem;
  color: var(--text-dim);
  text-decoration: line-through;
  margin-left: 12px;
}

.detail-meta { margin-bottom: 24px; }

.detail-meta-item {
  display: flex;
  gap: 16px;
  padding: 8px 0;
  font-size: 0.85rem;
  color: var(--text-muted);
}

.detail-meta-item strong {
  min-width: 80px;
  color: var(--text);
}

.detail-color { margin-bottom: 24px; }

.detail-label {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 10px;
}

.color-options { display: flex; gap: 8px; }

.color-swatch {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  cursor: pointer;
  border: 2px solid transparent;
  transition: var(--transition);
}

.color-swatch:hover, .color-swatch.active { border-color: var(--blue); }

.detail-qty {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 24px;
}

.qty-btn {
  width: 40px;
  height: 40px;
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  transition: var(--transition);
  border-radius: var(--radius-sm);
  color: var(--text-muted);
  background: transparent;
}

.qty-btn:hover { background: var(--navy-light); color: var(--white); }

.qty-input {
  width: 60px;
  height: 40px;
  border: 1px solid var(--border);
  text-align: center;
  font-size: 0.9rem;
  border-radius: var(--radius-sm);
  background: transparent;
  color: var(--text);
}

.detail-actions {
  display: flex;
  gap: 12px;
  margin-top: 24px;
}

.detail-actions .btn {
  flex: 1;
  justify-content: center;
  padding: 16px;
}

.detail-tabs { margin-top: 60px; }

.tab-nav {
  display: flex;
  gap: 0;
  border-bottom: 1px solid var(--border);
}

.tab-btn {
  padding: 14px 28px;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-dim);
  border-bottom: 2px solid transparent;
  transition: var(--transition);
  background: none;
  cursor: pointer;
}

.tab-btn.active {
  color: var(--blue);
  border-bottom-color: var(--blue);
}

.tab-content {
  padding: 28px 0;
  font-size: 0.9rem;
  line-height: 1.8;
  color: var(--text-muted);
}

.tab-pane { display: none; }
.tab-pane.active { display: block; }

/* Cart Page */
.cart-page { padding-bottom: 60px; padding-top: 20px; }

.cart-layout {
  display: grid;
  grid-template-columns: 1fr 360px;
  gap: 40px;
  align-items: start;
}

.cart-select-all {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 0;
  border-bottom: 1px solid var(--border);
  color: var(--text-muted);
  font-size: 0.85rem;
}

.cart-select-all input[type="checkbox"] {
  width: 18px;
  height: 18px;
  cursor: pointer;
  accent-color: var(--blue);
}

.cart-item {
  display: grid;
  grid-template-columns: auto 80px 1fr auto auto auto auto;
  gap: 16px;
  align-items: center;
  padding: 20px 0;
  border-bottom: 1px solid var(--border);
}

.cart-item input[type="checkbox"] {
  width: 18px;
  height: 18px;
  cursor: pointer;
  accent-color: var(--blue);
}

.cart-item-name {
  font-weight: 500;
  font-size: 0.9rem;
  color: var(--text);
}

.cart-item-name:hover { color: var(--blue); }

.cart-item-category {
  font-size: 0.75rem;
  color: var(--text-dim);
  margin-top: 4px;
}

.cart-item-price {
  font-weight: 600;
  color: var(--blue);
}

.cart-item-total {
  font-weight: 600;
  color: var(--text);
}

.cart-remove {
  color: var(--text-dim);
  transition: var(--transition);
  font-size: 1.2rem;
}

.cart-remove:hover { color: #ef4444; }

.cart-summary {
  background: var(--navy-light);
  padding: 28px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
}

.cart-summary h3 {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--white);
  margin-bottom: 24px;
}

.summary-row {
  display: flex;
  justify-content: space-between;
  padding: 12px 0;
  font-size: 0.9rem;
  color: var(--text-muted);
}

.summary-row.total {
  border-top: 1px solid var(--border);
  margin-top: 12px;
  padding-top: 20px;
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--white);
}

.summary-row.total span:last-child { color: var(--blue); }

.cart-summary .btn { width: 100%; justify-content: center; margin-top: 24px; }

.cart-empty {
  text-align: center;
  padding: 80px 0;
}

.cart-empty-icon {
  font-size: 4rem;
  margin-bottom: 16px;
  opacity: 0.3;
}

.cart-empty h3 {
  font-size: 1.3rem;
  color: var(--text);
  margin-bottom: 8px;
}

.cart-empty p {
  color: var(--text-dim);
  margin-bottom: 24px;
}

.coupon-section {
  background: var(--navy-light);
  border-radius: var(--radius-md);
  padding: 20px;
  margin-bottom: 24px;
  border: 1px solid var(--border);
}

.coupon-section h4 {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 12px;
}

.coupon-input {
  display: flex;
  gap: 8px;
}

.coupon-input input {
  flex: 1;
  padding: 10px 14px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
  background: var(--navy);
  color: var(--text);
  outline: none;
}

.coupon-input input:focus { border-color: var(--blue); }

.coupon-input button {
  padding: 10px 20px;
  background: var(--blue);
  color: var(--white);
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
  font-weight: 500;
}

.coupon-input button:hover { background: var(--blue-dark); }

/* Payment Page */
.payment-page { padding-top: 20px; padding-bottom: 60px; }

.payment-layout {
  display: grid;
  grid-template-columns: 1fr 400px;
  gap: 40px;
  align-items: start;
}

.payment-section {
  background: var(--navy-light);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 32px;
  margin-bottom: 24px;
}

.payment-section h3 {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--white);
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.payment-section h3 .step {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--blue);
  color: var(--white);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.8rem;
  flex-shrink: 0;
}

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

.address-form .full { grid-column: span 2; }

.address-form label {
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--text-muted);
  margin-bottom: 4px;
  display: block;
}

.address-form input,
.address-form select,
.address-form textarea {
  width: 100%;
  padding: 10px 14px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
  background: var(--navy);
  color: var(--text);
  transition: var(--transition);
  outline: none;
}

.address-form input:focus,
.address-form select:focus,
.address-form textarea:focus {
  border-color: var(--blue);
  box-shadow: 0 0 0 3px var(--blue-glow);
}

.address-form textarea { resize: vertical; min-height: 70px; }

.payment-methods { display: flex; gap: 16px; }

.payment-method {
  flex: 1;
  padding: 24px;
  border: 2px solid var(--border);
  border-radius: var(--radius-md);
  text-align: center;
  cursor: pointer;
  transition: var(--transition);
}

.payment-method:hover { border-color: var(--blue); }
.payment-method.selected { border-color: var(--blue); background: var(--blue-glow); }

.payment-method .pm-icon { font-size: 2.5rem; margin-bottom: 8px; }
.payment-method .pm-name { font-size: 0.9rem; font-weight: 600; color: var(--text); }
.payment-method .pm-desc { font-size: 0.75rem; color: var(--text-dim); margin-top: 4px; }

.payment-qr {
  text-align: center;
  padding: 32px;
  display: none;
}

.payment-qr.show { display: block; }

.payment-qr .qr-placeholder {
  width: 200px;
  height: 200px;
  background: var(--navy);
  border: 2px dashed var(--border);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 16px;
  font-size: 3rem;
  color: var(--text-dim);
}

.payment-qr p { font-size: 0.85rem; color: var(--text-muted); }
.payment-qr .pm-big-icon { font-size: 4rem; margin-bottom: 12px; }

.order-review {
  background: var(--navy-light);
  border-radius: var(--radius-md);
  padding: 24px;
  border: 1px solid var(--border);
}

.order-review h3 {
  font-size: 1rem;
  font-weight: 600;
  color: var(--white);
  margin-bottom: 16px;
}

.order-item {
  display: flex;
  gap: 12px;
  padding: 12px 0;
  border-bottom: 1px solid var(--border);
}

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

.order-item-img {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-sm);
  background: var(--navy);
  overflow: hidden;
  flex-shrink: 0;
}

.order-item-img img { width: 100%; height: 100%; object-fit: cover; }

.order-item-info { flex: 1; }
.order-item-name { font-size: 0.85rem; font-weight: 500; color: var(--text); }
.order-item-meta { font-size: 0.75rem; color: var(--text-dim); margin-top: 4px; }
.order-item-price { font-size: 0.85rem; font-weight: 600; color: var(--text); }

.saved-url-section {
  margin-top: 16px;
  padding: 16px;
  background: var(--navy);
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  font-size: 0.8rem;
}

.saved-url-section code {
  word-break: break-all;
  color: var(--blue);
  font-size: 0.75rem;
}

.save-url-btn {
  font-size: 0.8rem;
  color: var(--blue);
  cursor: pointer;
}

.payment-actions {
  display: flex;
  gap: 16px;
  margin-top: 24px;
}

.payment-actions .btn { flex: 1; justify-content: center; padding: 16px; }

/* Toast */
.toast {
  position: fixed;
  bottom: 24px;
  right: 24px;
  background: var(--navy-light);
  color: var(--text);
  padding: 14px 24px;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--border);
  z-index: 1000;
  font-size: 0.85rem;
  transform: translateY(120px);
  opacity: 0;
  transition: var(--transition);
}

.toast.show { transform: translateY(0); opacity: 1; }

/* Responsive */
@media (max-width: 1024px) {
  .product-grid { grid-template-columns: repeat(2, 1fr); }
  .category-grid.first-row { grid-template-columns: repeat(2, 1fr); }
  .category-grid.second-row { max-width: 100%; grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 2fr 1fr; }
}

@media (max-width: 768px) {
  .navbar-links { display: none; }
  .mobile-toggle { display: block; }

  .navbar-links.open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 68px;
    left: 0;
    right: 0;
    background: rgba(15,23,42,0.98);
    padding: 24px;
    border-bottom: 1px solid var(--border);
    gap: 20px;
    z-index: 99;
    backdrop-filter: blur(16px);
  }

  .hero-title { font-size: 2rem; }
  .hero { height: 400px; }
  .stats-bar { grid-template-columns: repeat(2, 1fr); }
  .stat-item:nth-child(2) { border-right: none; }
  .category-grid.first-row { grid-template-columns: 1fr; }
  .category-grid.second-row { grid-template-columns: 1fr; }
  .product-grid { grid-template-columns: repeat(2, 1fr); gap: 16px; }
  .products-header { flex-direction: column; gap: 16px; align-items: flex-start; }
  .filter-tabs { overflow-x: auto; width: 100%; padding-bottom: 8px; }
  .banner h2 { font-size: 1.5rem; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; gap: 12px; text-align: center; }
  .detail-layout { grid-template-columns: 1fr; gap: 24px; }
  .cart-layout { grid-template-columns: 1fr; }
  .cart-item { grid-template-columns: auto 60px 1fr; gap: 8px; }
  .cart-item .cart-item-price,
  .cart-item .cart-item-total { display: none; }
  .payment-layout { grid-template-columns: 1fr; }
  .address-form { grid-template-columns: 1fr; }
  .address-form .full { grid-column: span 1; }
  .payment-methods { flex-direction: column; }
}

@media (max-width: 480px) {
  .product-grid { grid-template-columns: repeat(2, 1fr); gap: 12px; }
  .product-info { padding: 12px; }
  .product-name { font-size: 0.8rem; }
  .product-price { font-size: 0.95rem; }
  .hero-title { font-size: 1.5rem; }
  .hero-text { font-size: 0.85rem; }
  .navbar-inner { height: 60px; }
  .navbar-links.open { top: 60px; }
  .stats-bar { grid-template-columns: 1fr 1fr; }
  .stat-item { padding: 20px; border-right: none; border-bottom: 1px solid var(--border); }
  .container { padding: 0 16px; }
  .newsletter-form { flex-direction: column; }
}