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

:root {
  --primary: #8b5cf6;
  --primary-dark: #7c3aed;
  --primary-light: #a78bfa;
  --primary-glow: rgba(139, 92, 246, 0.3);
  --secondary: #ec4899;
  --accent: #f59e0b;
  --bg-deep: #05050a;
  --bg: #0a0a14;
  --bg-card: #111122;
  --bg-card-hover: #1a1a30;
  --bg-elevated: #16162a;
  --bg-glass: rgba(17, 17, 34, 0.6);
  --text: #f1f5f9;
  --text-muted: #8892a8;
  --text-dim: #555d73;
  --border: rgba(139, 92, 246, 0.12);
  --border-glow: rgba(139, 92, 246, 0.3);
  --radius: 12px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --shadow: 0 4px 30px rgba(0, 0, 0, 0.4);
  --shadow-glow: 0 0 40px rgba(139, 92, 246, 0.15);
  --transition: 0.4s cubic-bezier(0.22, 1, 0.36, 1);
}

html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  background: var(--bg-deep);
  color: var(--text);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

::selection { background: var(--primary); color: white; }

/* Scrollbar */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg-deep); }
::-webkit-scrollbar-thumb { background: var(--primary); border-radius: 3px; }

/* Noise overlay */
body::before {
  content: ''; position: fixed; inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.03'/%3E%3C/svg%3E");
  pointer-events: none; z-index: 0;
}

.container { max-width: 1280px; margin: 0 auto; padding: 0 32px; }

/* ===== HEADER ===== */
.header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  background: rgba(5, 5, 10, 0.7);
  backdrop-filter: blur(20px) saturate(1.5);
  border-bottom: 1px solid var(--border);
  transition: var(--transition);
}

.header.scrolled { background: rgba(5, 5, 10, 0.95); box-shadow: 0 4px 30px rgba(0,0,0,0.5); }

.header-inner {
  display: flex; align-items: center; justify-content: space-between;
  height: 80px;
}

.logo {
  display: flex; align-items: center; gap: 12px; text-decoration: none;
  font-size: 1.5rem; font-weight: 800; color: var(--text);
  position: relative;
}

.logo-icon {
  width: 36px; height: 36px;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.2rem; color: white;
  box-shadow: 0 0 20px var(--primary-glow);
  animation: logoPulse 3s ease-in-out infinite;
}

@keyframes logoPulse {
  0%, 100% { box-shadow: 0 0 20px var(--primary-glow); }
  50% { box-shadow: 0 0 40px var(--primary-glow), 0 0 60px rgba(236, 72, 153, 0.2); }
}

.logo-text span { background: linear-gradient(135deg, var(--primary-light), var(--secondary)); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }

.nav { display: flex; gap: 8px; }

.nav a {
  color: var(--text-muted); text-decoration: none;
  font-size: 0.88rem; font-weight: 500; padding: 8px 16px;
  border-radius: 8px; transition: all var(--transition);
  position: relative;
}

.nav a:hover, .nav a.active {
  color: var(--text);
  background: rgba(139, 92, 246, 0.08);
}

.nav a.active { color: var(--primary-light); }

.header-actions { display: flex; align-items: center; gap: 12px; }

.cart-link {
  position: relative; text-decoration: none;
  width: 44px; height: 44px;
  display: flex; align-items: center; justify-content: center;
  background: var(--bg-glass); border: 1px solid var(--border);
  border-radius: 12px; transition: all var(--transition);
  font-size: 1.2rem;
}

.cart-link:hover { border-color: var(--primary); background: rgba(139, 92, 246, 0.1); }

.cart-badge {
  position: absolute; top: -4px; right: -4px;
  background: linear-gradient(135deg, var(--secondary), #db2777);
  color: white; font-size: 0.65rem; font-weight: 700;
  width: 20px; height: 20px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 0 12px rgba(236, 72, 153, 0.4);
}

.menu-toggle {
  display: none; background: none; border: none;
  color: var(--text); font-size: 1.5rem; cursor: pointer;
  width: 44px; height: 44px;
  align-items: center; justify-content: center;
  background: var(--bg-glass); border: 1px solid var(--border);
  border-radius: 12px;
}

/* ===== HERO ===== */
.hero {
  min-height: 100vh;
  display: flex; align-items: center;
  position: relative; overflow: hidden;
  padding-top: 80px;
}

#hero-3d-container {
  position: absolute; inset: 0; z-index: 1;
  pointer-events: none;
}

.hero .container { position: relative; z-index: 2; display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }

.hero-content { position: relative; }

.hero-badge {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 8px 20px; border-radius: 100px;
  background: rgba(139, 92, 246, 0.1);
  border: 1px solid rgba(139, 92, 246, 0.2);
  font-size: 0.82rem; color: var(--primary-light);
  margin-bottom: 24px; font-weight: 500;
}

.hero-badge-dot {
  width: 6px; height: 6px; border-radius: 50%;
  background: #22c55e; animation: dotPulse 2s infinite;
}

@keyframes dotPulse { 0%, 100% { opacity: 1; } 50% { opacity: 0.3; } }

.hero-content h1 {
  font-size: clamp(2.8rem, 5vw, 4.5rem);
  font-weight: 800; line-height: 1.05;
  margin-bottom: 24px; letter-spacing: -0.02em;
}

.hero-content h1 .gradient-text {
  background: linear-gradient(135deg, var(--primary-light), var(--secondary), #06b6d4);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
}

.hero-content p {
  color: var(--text-muted);
  font-size: 1.1rem; margin-bottom: 36px;
  max-width: 520px; line-height: 1.7;
}

.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; }

.hero-stats {
  display: flex; gap: 40px; margin-top: 48px;
  padding-top: 32px; border-top: 1px solid var(--border);
}

.hero-stat h3 {
  font-size: 1.6rem; font-weight: 800;
  background: linear-gradient(135deg, var(--text), var(--primary-light));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
}

.hero-stat p { font-size: 0.85rem; color: var(--text-muted); margin: 0; }

/* ===== BUTTONS ===== */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  gap: 10px; padding: 14px 32px;
  border-radius: 12px; font-size: 0.95rem; font-weight: 600;
  text-decoration: none; cursor: pointer;
  border: none; transition: all var(--transition);
  font-family: inherit; position: relative; overflow: hidden;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary), #7c3aed);
  color: white; box-shadow: 0 4px 20px var(--primary-glow);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 40px var(--primary-glow);
}

.btn-primary::before {
  content: ''; position: absolute; inset: 0;
  background: linear-gradient(135deg, transparent, rgba(255,255,255,0.1));
  opacity: 0; transition: var(--transition);
}

.btn-primary:hover::before { opacity: 1; }

.btn-outline {
  background: transparent; color: var(--text);
  border: 1px solid var(--border);
}

.btn-outline:hover { border-color: var(--primary); color: var(--primary-light); background: rgba(139,92,246,0.08); transform: translateY(-2px); }

.btn-ghost {
  background: rgba(139, 92, 246, 0.08);
  color: var(--primary-light); border: none;
}

.btn-ghost:hover { background: rgba(139, 92, 246, 0.15); transform: translateY(-2px); }

.btn-sm { padding: 10px 20px; font-size: 0.85rem; }
.btn-lg { padding: 16px 40px; font-size: 1.05rem; }
.btn-block { width: 100%; }
.btn:disabled { opacity: 0.5; cursor: not-allowed; transform: none !important; }

/* ===== SECTIONS ===== */
.section { padding: 100px 0; position: relative; }

.section-header {
  text-align: center; margin-bottom: 60px;
}

.section-label {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 6px 16px; border-radius: 100px;
  background: rgba(139, 92, 246, 0.08);
  border: 1px solid rgba(139, 92, 246, 0.15);
  font-size: 0.78rem; color: var(--primary-light);
  text-transform: uppercase; letter-spacing: 1.5px;
  font-weight: 600; margin-bottom: 16px;
}

.section-title {
  font-size: clamp(2rem, 3vw, 2.8rem);
  font-weight: 800; margin-bottom: 16px;
  letter-spacing: -0.01em;
}

.section-subtitle {
  color: var(--text-muted); font-size: 1.05rem;
  max-width: 560px; margin: 0 auto;
}

/* ===== CATEGORIES ===== */
.categories {
  background: linear-gradient(180deg, var(--bg-deep), var(--bg));
}

.categories-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.category-card {
  position: relative;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 40px 28px;
  text-align: center; text-decoration: none; color: var(--text);
  transition: all var(--transition);
  overflow: hidden; cursor: pointer;
}

.category-card::before {
  content: ''; position: absolute; inset: 0;
  background: radial-gradient(circle at 50% 0%, var(--cat-glow, rgba(139,92,246,0.1)), transparent 70%);
  opacity: 0; transition: var(--transition);
}

.category-card:hover {
  transform: translateY(-8px) scale(1.02);
  border-color: var(--cat-color, var(--primary));
  box-shadow: 0 20px 60px rgba(0,0,0,0.4), 0 0 40px var(--cat-glow, transparent);
}

.category-card:hover::before { opacity: 1; }

.cat-icon-wrap {
  width: 72px; height: 72px;
  background: var(--bg-elevated);
  border-radius: 20px;
  display: flex; align-items: center; justify-content: center;
  margin: 0 auto 20px;
  font-size: 2rem; transition: var(--transition);
  border: 1px solid var(--border);
}

.category-card:hover .cat-icon-wrap {
  background: rgba(139,92,246,0.15);
  border-color: var(--cat-color, var(--primary));
  transform: scale(1.1);
}

.category-card h3 { font-size: 1.1rem; font-weight: 700; margin-bottom: 8px; }
.category-card p { color: var(--text-muted); font-size: 0.85rem; }

.cat-arrow {
  display: inline-flex; align-items: center; gap: 6px;
  margin-top: 16px; font-size: 0.85rem;
  color: var(--text-muted); transition: var(--transition);
}

.category-card:hover .cat-arrow { color: var(--cat-color, var(--primary-light)); gap: 10px; }

/* ===== PRODUCTS GRID ===== */
.products-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 24px;
}

.product-card {
  position: relative;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  overflow: hidden; text-decoration: none; color: var(--text);
  transition: all var(--transition);
  transform-style: preserve-3d;
  perspective: 1000px;
}

.product-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 20px 60px rgba(0,0,0,0.3), var(--shadow-glow);
  border-color: var(--primary);
}

.product-image {
  position: relative; aspect-ratio: 1;
  overflow: hidden; background: var(--bg-elevated);
}

.product-image img {
  width: 100%; height: 100%; object-fit: cover;
  transition: transform 0.6s cubic-bezier(0.22, 1, 0.36, 1);
}

.product-card:hover .product-image img { transform: scale(1.08); }

.product-image::after {
  content: ''; position: absolute; inset: 0;
  background: linear-gradient(180deg, transparent 50%, rgba(5,5,10,0.6));
  pointer-events: none;
}

.product-card-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(180deg, transparent 40%, rgba(5,5,10,0.85));
  opacity: 0; transition: var(--transition);
  display: flex; align-items: flex-end; padding: 20px;
}

.product-card:hover .product-card-overlay { opacity: 1; }

.quick-view-btn {
  width: 100%; padding: 10px;
  background: rgba(255,255,255,0.1);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255,255,255,0.15);
  border-radius: 10px; color: white;
  font-size: 0.85rem; font-weight: 600; cursor: pointer;
  transition: var(--transition); font-family: inherit;
}

.quick-view-btn:hover { background: var(--primary); border-color: var(--primary); }

.badge {
  position: absolute; top: 16px; left: 16px; z-index: 2;
  padding: 6px 16px; border-radius: 100px;
  font-size: 0.72rem; font-weight: 600;
  background: linear-gradient(135deg, var(--primary), #7c3aed);
  color: white; box-shadow: 0 4px 15px var(--primary-glow);
}

.badge-hot {
  background: linear-gradient(135deg, #ef4444, #dc2626);
  box-shadow: 0 4px 15px rgba(239,68,68,0.3);
}

.badge-new {
  background: linear-gradient(135deg, #22c55e, #16a34a);
  box-shadow: 0 4px 15px rgba(34,197,94,0.3);
}

.product-info {
  padding: 20px;
  position: relative;
}

.product-category {
  font-size: 0.72rem; text-transform: uppercase;
  letter-spacing: 1.5px; color: var(--text-muted);
  font-weight: 600; display: block; margin-bottom: 6px;
}

.product-info h3 {
  font-size: 1.05rem; font-weight: 600;
  margin-bottom: 12px;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
}

.product-price {
  display: flex; align-items: center; gap: 10px;
}

.current { font-size: 1.15rem; font-weight: 700; color: var(--primary-light); }
.original { font-size: 0.85rem; color: var(--text-dim); text-decoration: line-through; }
.current-lg { font-size: 1.8rem; }
.original-lg { font-size: 1.1rem; }

.product-rating {
  display: flex; align-items: center; gap: 6px;
  margin-top: 8px; font-size: 0.82rem; color: var(--text-muted);
}

.stars { color: var(--accent); letter-spacing: 2px; }

/* ===== SHOWCASE SECTION ===== */
.showcase {
  background: var(--bg);
  overflow: hidden;
}

.showcase-track {
  display: flex; gap: 24px;
  animation: scrollShowcase 40s linear infinite;
  width: max-content;
}

@keyframes scrollShowcase {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

.showcase-item {
  flex-shrink: 0; width: 200px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 24px; text-align: center;
}

.showcase-item .emoji { font-size: 2.5rem; margin-bottom: 12px; display: block; }
.showcase-item h4 { font-size: 0.9rem; font-weight: 600; }

/* ===== FEATURES ===== */
.features-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.feature-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 40px 28px;
  text-align: center;
  transition: all var(--transition);
  position: relative; overflow: hidden;
}

.feature-card::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0; height: 3px;
  background: linear-gradient(90deg, var(--primary), var(--secondary));
  transform: scaleX(0); transition: var(--transition);
}

.feature-card:hover::before { transform: scaleX(1); }
.feature-card:hover { transform: translateY(-4px); border-color: var(--primary); }

.feature-icon {
  width: 64px; height: 64px;
  margin: 0 auto 20px;
  background: rgba(139,92,246,0.1);
  border-radius: 16px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.8rem;
}

.feature-card h3 { font-size: 1.05rem; font-weight: 700; margin-bottom: 8px; }
.feature-card p { color: var(--text-muted); font-size: 0.88rem; line-height: 1.6; }

/* ===== PAGE HEADER ===== */
.page-header {
  padding: 140px 0 60px;
  text-align: center;
  position: relative;
}

.page-header::before {
  content: ''; position: absolute; inset: 0;
  background: radial-gradient(ellipse at 50% 0%, rgba(139,92,246,0.08), transparent 70%);
  pointer-events: none;
}

.page-header h1 {
  font-size: clamp(2.2rem, 4vw, 3.2rem);
  font-weight: 800; margin-bottom: 12px;
  letter-spacing: -0.02em;
}
.page-header p { color: var(--text-muted); font-size: 1.05rem; }

/* ===== PRODUCTS LAYOUT ===== */
.products-layout {
  display: grid;
  grid-template-columns: 260px 1fr;
  gap: 32px;
}

.filters {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 28px; height: fit-content;
  position: sticky; top: 100px;
}

.filters h3 { font-size: 1rem; font-weight: 700; margin-bottom: 20px; }

.filter-list { list-style: none; }

.filter-list li { margin-bottom: 4px; }

.filter-list a {
  display: flex; align-items: center; gap: 10px;
  padding: 10px 14px; border-radius: 10px;
  color: var(--text-muted); text-decoration: none;
  font-size: 0.88rem; transition: all var(--transition);
}

.filter-list a:hover { background: var(--bg-elevated); color: var(--text); }

.filter-list a.active {
  background: rgba(139,92,246,0.1);
  color: var(--primary-light); font-weight: 600;
}

.filter-list a .count {
  margin-left: auto; font-size: 0.78rem;
  background: var(--bg-elevated); padding: 2px 8px;
  border-radius: 6px; color: var(--text-dim);
}

.products-toolbar {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 28px; gap: 16px; flex-wrap: wrap;
}

.search-form {
  display: flex; gap: 0; flex: 1; max-width: 360px;
}

.search-form input {
  flex: 1; padding: 12px 18px;
  border: 1px solid var(--border);
  border-right: none; border-radius: 12px 0 0 12px;
  background: var(--bg-card); color: var(--text);
  font-size: 0.9rem; outline: none; font-family: inherit;
  transition: border-color var(--transition);
}

.search-form input:focus { border-color: var(--primary); }

.search-form button {
  padding: 12px 18px;
  border: 1px solid var(--border);
  border-radius: 0 12px 12px 0;
  background: var(--bg-card); color: var(--text-muted);
  cursor: pointer; transition: all var(--transition);
  font-size: 1rem;
}

.search-form button:hover { background: var(--primary); color: white; border-color: var(--primary); }

.toolbar-count { font-size: 0.88rem; color: var(--text-muted); }

/* ===== PRODUCT DETAIL ===== */
.product-detail-page { padding: 140px 0 60px; }

.back-link {
  display: inline-flex; align-items: center; gap: 8px;
  color: var(--text-muted); text-decoration: none;
  margin-bottom: 32px; font-size: 0.9rem;
  transition: color var(--transition);
}
.back-link:hover { color: var(--primary-light); }

.product-detail-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
}

.product-detail-image {
  position: relative;
  border-radius: var(--radius-xl);
  overflow: hidden; background: var(--bg-elevated);
  border: 1px solid var(--border);
}

.product-detail-image img { width: 100%; display: block; }

.product-detail-info .product-category {
  font-size: 0.75rem; letter-spacing: 2px;
}

.product-detail-info h1 {
  font-size: clamp(1.8rem, 3vw, 2.4rem);
  font-weight: 800; margin: 8px 0 16px;
}

.product-description {
  color: var(--text-muted); line-height: 1.8;
  margin: 20px 0; font-size: 0.95rem;
}

/* Customize Form */
.customize-form { margin-top: 28px; }

.form-group { margin-bottom: 24px; }

.form-group label {
  display: block; font-size: 0.88rem;
  font-weight: 600; margin-bottom: 10px;
  color: var(--text);
}

.form-input {
  width: 100%; padding: 14px 18px;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: 10px; color: var(--text);
  font-size: 0.95rem; font-family: inherit;
  transition: border-color var(--transition); outline: none;
}

.form-input:focus { border-color: var(--primary); box-shadow: 0 0 0 3px rgba(139,92,246,0.1); }

textarea.form-input { resize: vertical; }

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

.color-option input, .size-option input { display: none; }

.color-swatch, .size-option span {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 10px 18px;
  border: 1px solid var(--border);
  border-radius: 10px; font-size: 0.85rem;
  cursor: pointer; transition: all var(--transition);
  background: var(--bg-elevated);
}

.color-swatch::before {
  content: ''; width: 14px; height: 14px; border-radius: 50%;
  background: currentColor; flex-shrink: 0;
  box-shadow: inset 0 2px 4px rgba(0,0,0,0.2);
}

.color-option input:checked + .color-swatch,
.size-option input:checked + span {
  border-color: var(--primary);
  background: rgba(139,92,246,0.12);
  color: var(--primary-light);
  box-shadow: 0 0 20px rgba(139,92,246,0.1);
}

.quantity-selector {
  display: flex; align-items: center;
  width: fit-content;
  border: 1px solid var(--border);
  border-radius: 10px; overflow: hidden;
}

.qty-btn {
  padding: 12px 18px; background: var(--bg-elevated);
  border: none; color: var(--text);
  font-size: 1.1rem; cursor: pointer;
  transition: background var(--transition);
  font-family: inherit;
}

.qty-btn:hover { background: var(--primary); }

.quantity-selector input {
  width: 60px; text-align: center; padding: 12px;
  border: none; border-left: 1px solid var(--border); border-right: 1px solid var(--border);
  background: var(--bg-card); color: var(--text);
  font-size: 1rem; outline: none; font-family: inherit;
  -moz-appearance: textfield;
}

.quantity-selector input::-webkit-inner-spin-button { -webkit-appearance: none; }

.product-features {
  margin-top: 32px; padding-top: 24px;
  border-top: 1px solid var(--border);
}

.product-features h3 { font-size: 0.95rem; font-weight: 700; margin-bottom: 12px; }
.product-features ul { list-style: none; display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.product-features li { padding: 6px 0; color: var(--text-muted); font-size: 0.88rem; display: flex; align-items: center; gap: 8px; }
.product-features li::before { content: '✓'; color: #22c55e; font-weight: 700; }

/* ===== CART ===== */
.cart-page { padding: 140px 0 60px; }

.cart-layout {
  display: grid;
  grid-template-columns: 1fr 380px;
  gap: 32px; align-items: start;
}

.cart-item {
  display: flex; gap: 24px;
  padding: 24px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  margin-bottom: 16px;
  transition: var(--transition);
}

.cart-item:hover { border-color: rgba(139,92,246,0.2); }

.cart-item-image {
  width: 120px; height: 120px;
  border-radius: 12px; overflow: hidden;
  flex-shrink: 0; background: var(--bg-elevated);
}

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

.cart-item-info { flex: 1; }
.cart-item-info h3 { font-size: 1.05rem; font-weight: 600; margin-bottom: 4px; }
.cart-custom { font-size: 0.85rem; color: var(--text-muted); margin-bottom: 2px; }
.cart-price { font-size: 1.15rem; font-weight: 700; color: var(--primary-light); margin-top: 8px; }

.cart-item-actions { display: flex; flex-direction: column; align-items: flex-end; gap: 12px; justify-content: center; }

.cart-qty-form { display: flex; align-items: center; border: 1px solid var(--border); border-radius: 10px; overflow: hidden; }
.qty-display { padding: 8px 14px; font-weight: 600; min-width: 36px; text-align: center; }

.btn-remove {
  background: none; border: none;
  color: #ef4444; font-size: 0.85rem;
  cursor: pointer; padding: 6px 12px;
  border-radius: 8px; transition: all var(--transition);
  font-family: inherit;
}

.btn-remove:hover { background: rgba(239,68,68,0.1); }

.cart-summary {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 28px; position: sticky; top: 100px;
}

.cart-summary h3 { font-size: 1.2rem; font-weight: 700; margin-bottom: 24px; }

.summary-row { display: flex; justify-content: space-between; padding: 10px 0; font-size: 0.95rem; color: var(--text-muted); }
.summary-total { border-top: 1px solid var(--border); margin-top: 8px; padding-top: 16px; font-size: 1.1rem; font-weight: 700; color: var(--text); }

.free-shipping-msg {
  font-size: 0.85rem; padding: 12px 16px;
  border-radius: 10px;
  background: rgba(245,158,11,0.08);
  color: var(--accent); text-align: center;
  margin: 16px 0; border: 1px solid rgba(245,158,11,0.15);
}

.free-shipping-msg.success {
  background: rgba(34,197,94,0.08);
  color: #22c55e; border-color: rgba(34,197,94,0.15);
}

/* ===== CHECKOUT ===== */
.checkout-page { padding: 140px 0 60px; }

.checkout-layout {
  display: grid;
  grid-template-columns: 1fr 420px;
  gap: 32px; align-items: start;
}

.checkout-form .checkout-section {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 28px; margin-bottom: 20px;
}

.checkout-section h2 { font-size: 1.1rem; font-weight: 700; margin-bottom: 24px; }

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

.payment-options { display: flex; flex-direction: column; gap: 12px; }

.payment-option {
  display: flex; align-items: center; gap: 14px;
  padding: 16px 20px;
  border: 1px solid var(--border);
  border-radius: 12px; cursor: pointer;
  transition: all var(--transition);
}

.payment-option:hover { border-color: var(--primary); }
.payment-option:has(input:checked) { border-color: var(--primary); background: rgba(139,92,246,0.06); }
.payment-option input:checked + span { color: var(--primary-light); font-weight: 600; }

.checkout-summary {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 28px; position: sticky; top: 100px;
}

.checkout-summary h3 { margin-bottom: 20px; padding-bottom: 16px; border-bottom: 1px solid var(--border); }

.checkout-item { display: flex; gap: 12px; align-items: center; margin-bottom: 12px; }
.checkout-item img { width: 50px; height: 50px; border-radius: 8px; object-fit: cover; background: var(--bg-elevated); }
.checkout-item-name { font-size: 0.88rem; font-weight: 600; }
.checkout-item-qty { font-size: 0.8rem; color: var(--text-muted); }
.checkout-item > span:last-child { margin-left: auto; font-weight: 600; color: var(--primary-light); font-size: 0.9rem; }

.summary-divider { height: 1px; background: var(--border); margin: 16px 0; }

/* ===== ORDER SUCCESS ===== */
.success-page { display: flex; align-items: center; min-height: 80vh; padding-top: 80px; }

.success-card {
  max-width: 600px; margin: 0 auto;
  text-align: center;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 48px;
  position: relative; overflow: hidden;
}

.success-card::before {
  content: ''; position: absolute; top: -50%; left: -50%;
  width: 200%; height: 200%;
  background: conic-gradient(from 0deg, transparent, rgba(139,92,246,0.03), transparent, rgba(236,72,153,0.03), transparent);
  animation: successRotate 10s linear infinite;
}

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

.success-card > * { position: relative; z-index: 1; }
.success-icon { font-size: 4rem; margin-bottom: 16px; }
.success-card h1 { font-size: 2rem; font-weight: 800; margin-bottom: 8px; }
.success-card > p { color: var(--text-muted); margin-bottom: 32px; }
.order-details { background: var(--bg-elevated); border-radius: var(--radius); padding: 20px; margin-bottom: 24px; text-align: left; }
.order-detail-row { display: flex; justify-content: space-between; padding: 8px 0; font-size: 0.9rem; }
.order-detail-row span:first-child { color: var(--text-muted); }
.order-id { font-family: monospace; font-weight: 600; color: var(--primary-light); }
.status-confirmed { color: #22c55e; font-weight: 600; }

.success-items { margin-bottom: 24px; }
.success-item { display: flex; justify-content: space-between; padding: 8px 0; font-size: 0.9rem; border-bottom: 1px solid var(--border); }
.success-item:last-child { border-bottom: none; }
.success-msg { color: var(--text-muted); font-size: 0.9rem; margin-bottom: 24px; }
.success-actions { display: flex; gap: 12px; justify-content: center; }

/* ===== ADMIN ===== */
.admin-page { padding: 140px 0 60px; }

.order-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  margin-bottom: 20px; overflow: hidden;
}

.order-header {
  display: flex; justify-content: space-between; align-items: center;
  padding: 20px 28px;
  background: var(--bg-elevated);
  border-bottom: 1px solid var(--border);
}

.order-header h3 { font-size: 1rem; font-family: monospace; }
.order-date { font-size: 0.82rem; color: var(--text-muted); }
.order-status { padding: 4px 14px; border-radius: 100px; font-size: 0.8rem; font-weight: 600; }
.order-status.confirmed { background: rgba(34,197,94,0.12); color: #22c55e; }

.order-body { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 24px; padding: 28px; }
.order-info-group h4 { font-size: 0.82rem; text-transform: uppercase; letter-spacing: 0.5px; color: var(--text-muted); margin-bottom: 12px; }
.order-item-row { display: flex; justify-content: space-between; font-size: 0.85rem; padding: 4px 0; border-bottom: 1px solid var(--border); }
.order-item-row:last-child { border-bottom: none; }
.order-item-row span:first-child { flex: 1; }

/* ===== EMPTY STATE ===== */
.empty-state { text-align: center; padding: 80px 20px; }
.empty-state .icon { font-size: 4rem; margin-bottom: 16px; display: block; }
.empty-state h2 { font-size: 1.5rem; margin-bottom: 8px; }
.empty-state p { color: var(--text-muted); margin-bottom: 24px; }

/* ===== 3D TILT CARDS ===== */
.tilt-card { transform-style: preserve-3d; }
.tilt-card .tilt-content { transform-style: preserve-3d; }

/* ===== FOOTER ===== */
.footer {
  background: var(--bg-card);
  border-top: 1px solid var(--border);
  padding: 80px 0 0; position: relative;
  overflow: hidden;
}

.footer::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0; height: 1px;
  background: linear-gradient(90deg, transparent, var(--primary), var(--secondary), transparent);
}

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

.footer-brand .logo { margin-bottom: 16px; }
.footer-brand p { color: var(--text-muted); font-size: 0.9rem; line-height: 1.7; max-width: 320px; }

.footer-links h4 { font-size: 0.88rem; font-weight: 700; margin-bottom: 16px; }

.footer-links a {
  display: block; color: var(--text-muted); text-decoration: none;
  font-size: 0.88rem; padding: 4px 0;
  transition: color var(--transition);
}

.footer-links a:hover { color: var(--primary-light); padding-left: 4px; }

.footer-contact p { color: var(--text-muted); font-size: 0.88rem; margin-bottom: 4px; }

.footer-bottom {
  margin-top: 60px; padding: 24px 0;
  border-top: 1px solid var(--border);
  text-align: center; color: var(--text-dim);
  font-size: 0.85rem;
}

/* ===== PARTICLES ===== */
.particles {
  position: fixed; inset: 0; pointer-events: none;
  z-index: 0; overflow: hidden;
}

.particle {
  position: absolute;
  width: 2px; height: 2px;
  background: var(--primary); border-radius: 50%;
  opacity: 0; animation: particleFloat linear infinite;
}

@keyframes particleFloat {
  0% { transform: translateY(100vh) scale(0); opacity: 0; }
  10% { opacity: 1; }
  90% { opacity: 1; }
  100% { transform: translateY(-10vh) scale(1); opacity: 0; }
}

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
  .hero .container { grid-template-columns: 1fr; text-align: center; }
  .hero-content p { margin: 0 auto 36px; }
  .hero-actions { justify-content: center; }
  .hero-stats { justify-content: center; }
  .categories-grid, .features-grid { grid-template-columns: repeat(2, 1fr); }
  .product-detail-layout { grid-template-columns: 1fr; }
  .cart-layout, .checkout-layout { grid-template-columns: 1fr; }
  .products-layout { grid-template-columns: 1fr; }
  .order-body { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  .nav {
    display: none; position: fixed; top: 80px; left: 0; right: 0; bottom: 0;
    background: rgba(5,5,10,0.98);
    backdrop-filter: blur(20px);
    flex-direction: column; padding: 24px 32px; gap: 8px;
    z-index: 999;
  }
  .nav.active { display: flex; }
  .menu-toggle { display: flex; }
  .hero-content h1 { font-size: 2.5rem; }
  .categories-grid, .features-grid { grid-template-columns: 1fr; }
  .section-title { font-size: 1.6rem; }
  .form-row-2 { grid-template-columns: 1fr; }
  .success-card { padding: 24px; }
  .success-actions { flex-direction: column; }
  .footer-grid { grid-template-columns: 1fr; gap: 24px; }
  .container { padding: 0 20px; }
  .product-features ul { grid-template-columns: 1fr; }
}