/* ============================================
   XYZ STORE — GLOBAL STYLES
   Esports Dark Theme with Neon Accents
   ============================================ */

:root {
  --bg-primary: #0a0a12;
  --bg-secondary: #12121e;
  --bg-card: #1a1a2e;
  --bg-hover: #252540;
  --border: #2a2a45;
  --text-primary: #ffffff;
  --text-secondary: #b0b0c8;
  --text-muted: #707090;
  --accent-primary: #00f0ff;   /* Neon Cyan */
  --accent-secondary: #b026ff; /* Neon Purple */
  --accent-gradient: linear-gradient(135deg, #00f0ff 0%, #b026ff 100%);
  --success: #00ff88;
  --warning: #ffaa00;
  --danger: #ff3366;
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --shadow: 0 4px 20px rgba(0, 240, 255, 0.1);
  --shadow-hover: 0 8px 30px rgba(176, 38, 255, 0.25);
  --transition: all 0.25s ease;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Segoe UI', Tahoma, sans-serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  min-height: 100vh;
  overflow-x: hidden;
}

a { color: var(--accent-primary); text-decoration: none; transition: var(--transition); }
a:hover { color: var(--accent-secondary); }

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

button {
  cursor: pointer;
  font-family: inherit;
  border: none;
  outline: none;
  transition: var(--transition);
}

input, select, textarea {
  font-family: inherit;
  outline: none;
  border: 1px solid var(--border);
  background: var(--bg-secondary);
  color: var(--text-primary);
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  transition: var(--transition);
  width: 100%;
}

input:focus, select:focus, textarea:focus {
  border-color: var(--accent-primary);
  box-shadow: 0 0 0 3px rgba(0, 240, 255, 0.15);
}

/* ============ NAVBAR ============ */
.navbar {
  background: rgba(10, 10, 18, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 100;
  padding: 14px 0;
}

.nav-container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 22px;
  font-weight: 800;
  color: var(--text-primary);
  letter-spacing: 1px;
}

.logo img {
  width: 40px;
  height: 40px;
  border-radius: 50%;
}

.logo-text {
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.nav-links {
  display: flex;
  gap: 28px;
  list-style: none;
  align-items: center;
}

.nav-links a {
  color: var(--text-secondary);
  font-weight: 500;
  font-size: 15px;
  position: relative;
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--accent-primary);
}

.nav-links a.active::after {
  content: '';
  position: absolute;
  bottom: -6px;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--accent-gradient);
  border-radius: 2px;
}

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

.cart-btn {
  position: relative;
  background: var(--bg-card);
  border: 1px solid var(--border);
  color: var(--text-primary);
  padding: 8px 14px;
  border-radius: var(--radius-sm);
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 6px;
}

.cart-btn:hover {
  border-color: var(--accent-primary);
  color: var(--accent-primary);
}

.cart-count {
  background: var(--accent-secondary);
  color: white;
  font-size: 11px;
  padding: 2px 7px;
  border-radius: 10px;
  font-weight: 700;
}

.mobile-toggle {
  display: none;
  background: transparent;
  color: var(--text-primary);
  font-size: 24px;
}

/* ============ BUTTONS ============ */
.btn {
  display: inline-block;
  padding: 12px 24px;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 14px;
  text-align: center;
  border: 1px solid transparent;
}

.btn-primary {
  background: var(--accent-gradient);
  color: #000;
  box-shadow: var(--shadow);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-hover);
  color: #000;
}

.btn-secondary {
  background: transparent;
  border: 1px solid var(--accent-primary);
  color: var(--accent-primary);
}

.btn-secondary:hover {
  background: var(--accent-primary);
  color: #000;
}

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

.btn-danger:hover { opacity: 0.9; }

.btn-sm { padding: 8px 14px; font-size: 13px; }

/* ============ HERO ============ */
.hero {
  position: relative;
  min-height: 70vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 80px 20px;
  background:
    radial-gradient(circle at 20% 30%, rgba(0, 240, 255, 0.15), transparent 50%),
    radial-gradient(circle at 80% 70%, rgba(176, 38, 255, 0.15), transparent 50%),
    var(--bg-primary);
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(0, 240, 255, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 240, 255, 0.04) 1px, transparent 1px);
  background-size: 40px 40px;
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 800px;
}

.hero h1 {
  font-size: clamp(36px, 6vw, 64px);
  font-weight: 900;
  line-height: 1.1;
  margin-bottom: 20px;
  letter-spacing: -1px;
}

.hero h1 span {
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero p {
  font-size: 18px;
  color: var(--text-secondary);
  margin-bottom: 32px;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.hero-buttons {
  display: flex;
  gap: 14px;
  justify-content: center;
  flex-wrap: wrap;
}

/* ============ SECTIONS ============ */
.section {
  padding: 70px 20px;
  max-width: 1280px;
  margin: 0 auto;
}

.section-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 36px;
  flex-wrap: wrap;
  gap: 16px;
}

.section-title {
  font-size: 30px;
  font-weight: 800;
  position: relative;
  padding-left: 16px;
}

.section-title::before {
  content: '';
  position: absolute;
  left: 0;
  top: 6px;
  bottom: 6px;
  width: 4px;
  background: var(--accent-gradient);
  border-radius: 2px;
}

/* ============ PRODUCT GRID ============ */
.product-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 22px;
}

.product-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: var(--transition);
  display: flex;
  flex-direction: column;
}

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

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

.product-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: var(--transition);
}

.product-card:hover .product-image img {
  transform: scale(1.05);
}

.product-badge {
  position: absolute;
  top: 10px;
  left: 10px;
  background: var(--accent-secondary);
  color: white;
  font-size: 11px;
  padding: 4px 10px;
  border-radius: 4px;
  font-weight: 700;
  text-transform: uppercase;
}

.product-info {
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  flex: 1;
}

.product-category {
  color: var(--accent-primary);
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.product-name {
  font-size: 16px;
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.3;
  min-height: 42px;
}

.product-desc {
  color: var(--text-muted);
  font-size: 13px;
  flex: 1;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.product-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 8px;
  gap: 10px;
}

.product-price {
  font-size: 20px;
  font-weight: 800;
  color: var(--accent-primary);
}

.product-actions {
  display: flex;
  gap: 6px;
}

.product-actions button {
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  font-size: 12px;
  font-weight: 600;
}

/* ============ CATEGORIES GRID ============ */
.categories-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 18px;
}

.category-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 28px 18px;
  text-align: center;
  transition: var(--transition);
  cursor: pointer;
}

.category-card:hover {
  border-color: var(--accent-primary);
  transform: translateY(-3px);
  box-shadow: var(--shadow-hover);
}

.category-icon {
  font-size: 40px;
  margin-bottom: 12px;
}

.category-name {
  font-size: 17px;
  font-weight: 700;
  margin-bottom: 4px;
}

.category-count {
  font-size: 13px;
  color: var(--text-muted);
}

/* ============ FILTERS ============ */
.shop-toolbar {
  display: flex;
  gap: 12px;
  margin-bottom: 30px;
  flex-wrap: wrap;
  align-items: center;
  background: var(--bg-card);
  padding: 16px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
}

.shop-toolbar input,
.shop-toolbar select {
  flex: 1;
  min-width: 180px;
}

/* ============ CART / CHECKOUT ============ */
.cart-container, .checkout-container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 40px 20px;
  display: grid;
  grid-template-columns: 1fr 380px;
  gap: 30px;
}

.cart-items, .checkout-form, .order-summary {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 24px;
}

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

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

.cart-item img {
  width: 80px;
  height: 80px;
  border-radius: var(--radius-sm);
  object-fit: cover;
  background: var(--bg-secondary);
}

.cart-item-info h4 {
  font-size: 15px;
  margin-bottom: 4px;
}

.cart-item-info .price {
  color: var(--accent-primary);
  font-weight: 700;
}

.qty-control {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-top: 8px;
}

.qty-control button {
  width: 28px;
  height: 28px;
  background: var(--bg-secondary);
  color: var(--text-primary);
  border: 1px solid var(--border);
  border-radius: 4px;
  font-weight: 700;
}

.qty-control button:hover {
  border-color: var(--accent-primary);
}

.qty-control span {
  min-width: 30px;
  text-align: center;
  font-weight: 600;
}

.remove-btn {
  background: transparent;
  color: var(--danger);
  font-size: 13px;
}

.order-summary h3 {
  margin-bottom: 18px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border);
}

.summary-row {
  display: flex;
  justify-content: space-between;
  padding: 8px 0;
  font-size: 14px;
  color: var(--text-secondary);
}

.summary-row.total {
  font-size: 18px;
  font-weight: 800;
  color: var(--text-primary);
  border-top: 1px solid var(--border);
  margin-top: 12px;
  padding-top: 14px;
}

/* ============ TRACKING HIGHLIGHT BOX ============ */
.tracking-highlight {
  background: linear-gradient(135deg, rgba(0, 240, 255, 0.12) 0%, rgba(176, 38, 255, 0.12) 100%);
  border: 2px solid var(--accent-primary);
  border-radius: var(--radius-md);
  padding: 18px 22px;
  margin: 0 0 24px 0;
  position: relative;
  overflow: hidden;
  animation: pulseGlow 2.5s ease-in-out infinite;
}

.tracking-highlight::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(0, 240, 255, 0.18), transparent);
  animation: shimmer 3s infinite;
  pointer-events: none;
}

.tracking-highlight .tracking-title {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 800;
  font-size: 15px;
  color: var(--accent-primary);
  margin-bottom: 8px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  position: relative;
  z-index: 1;
}

.tracking-highlight .tracking-body {
  color: var(--text-primary);
  font-size: 14px;
  line-height: 1.7;
  position: relative;
  z-index: 1;
}

.tracking-highlight .tracking-body strong {
  color: var(--accent-primary);
}

.tracking-highlight .tracking-contact {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--accent-primary);
  color: #000;
  padding: 8px 18px;
  border-radius: 20px;
  font-weight: 700;
  margin-top: 12px;
  text-decoration: none;
  font-size: 15px;
  transition: var(--transition);
  box-shadow: 0 4px 15px rgba(0, 240, 255, 0.3);
}

.tracking-highlight .tracking-contact:hover {
  background: var(--accent-secondary);
  color: #fff;
  transform: scale(1.05);
  box-shadow: 0 6px 20px rgba(176, 38, 255, 0.4);
}

@keyframes pulseGlow {
  0%, 100% { box-shadow: 0 0 0 0 rgba(0, 240, 255, 0.4); }
  50% { box-shadow: 0 0 25px 3px rgba(0, 240, 255, 0.3); }
}

@keyframes shimmer {
  0% { left: -100%; }
  100% { left: 100%; }
}

/* ============ FORMS ============ */
.form-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-group.full { grid-column: 1 / -1; }

.form-group label {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-secondary);
}

/* ============ FOOTER ============ */
.footer {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border);
  padding: 50px 20px 20px;
  margin-top: 60px;
}

.footer-grid {
  max-width: 1280px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 40px;
}

.footer h4 {
  margin-bottom: 16px;
  font-size: 16px;
  color: var(--accent-primary);
}

.footer ul { list-style: none; }
.footer ul li { margin-bottom: 8px; }
.footer ul a { color: var(--text-secondary); font-size: 14px; }
.footer ul a:hover { color: var(--accent-primary); }

.social-links {
  display: flex;
  gap: 10px;
  margin-top: 14px;
}

.social-links a {
  width: 38px;
  height: 38px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
}

.social-links a:hover {
  background: var(--accent-gradient);
  border-color: transparent;
  color: #000;
}

.footer-bottom {
  max-width: 1280px;
  margin: 0 auto;
  padding-top: 20px;
  border-top: 1px solid var(--border);
  text-align: center;
  color: var(--text-muted);
  font-size: 13px;
}

/* ============ NEWSLETTER ============ */
.newsletter {
  background: var(--accent-gradient);
  padding: 50px 20px;
  text-align: center;
  color: #000;
}

.newsletter h2 {
  font-size: 28px;
  margin-bottom: 10px;
}

.newsletter p { margin-bottom: 20px; }

.newsletter-form {
  display: flex;
  gap: 10px;
  max-width: 500px;
  margin: 0 auto;
  flex-wrap: wrap;
  justify-content: center;
}

.newsletter-form input {
  flex: 1;
  min-width: 220px;
  background: rgba(255,255,255,0.95);
  color: #000;
  border: none;
}

.newsletter-form button {
  background: #000;
  color: var(--accent-primary);
  padding: 12px 24px;
  border-radius: var(--radius-sm);
  font-weight: 700;
}

/* ============ PRODUCT DETAIL ============ */
.product-detail {
  max-width: 1280px;
  margin: 0 auto;
  padding: 40px 20px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
}

.product-gallery img.main-img {
  width: 100%;
  aspect-ratio: 1/1;
  object-fit: cover;
  border-radius: var(--radius-md);
  background: var(--bg-card);
  border: 1px solid var(--border);
}

.gallery-thumbs {
  display: flex;
  gap: 10px;
  margin-top: 14px;
  overflow-x: auto;
}

.gallery-thumbs img {
  width: 80px;
  height: 80px;
  object-fit: cover;
  border-radius: var(--radius-sm);
  cursor: pointer;
  border: 2px solid transparent;
  opacity: 0.6;
}

.gallery-thumbs img.active,
.gallery-thumbs img:hover {
  border-color: var(--accent-primary);
  opacity: 1;
}

.product-detail-info h1 {
  font-size: 32px;
  margin-bottom: 10px;
}

.product-detail-info .price {
  font-size: 34px;
  font-weight: 800;
  color: var(--accent-primary);
  margin: 16px 0;
}

.stock-status {
  display: inline-block;
  padding: 4px 12px;
  border-radius: 20px;
  font-size: 12px;
  font-weight: 700;
  margin-bottom: 16px;
}

.stock-in { background: rgba(0, 255, 136, 0.15); color: var(--success); }
.stock-low { background: rgba(255, 170, 0, 0.15); color: var(--warning); }
.stock-out { background: rgba(255, 51, 102, 0.15); color: var(--danger); }

.detail-tabs {
  margin-top: 24px;
  border-top: 1px solid var(--border);
  padding-top: 20px;
}

.tab-buttons {
  display: flex;
  gap: 10px;
  margin-bottom: 16px;
}

.tab-btn {
  padding: 8px 16px;
  background: var(--bg-secondary);
  color: var(--text-secondary);
  border-radius: var(--radius-sm);
  font-size: 13px;
  font-weight: 600;
}

.tab-btn.active {
  background: var(--accent-primary);
  color: #000;
}

.tab-content { display: none; color: var(--text-secondary); font-size: 14px; line-height: 1.7; }
.tab-content.active { display: block; }

/* ============ ADMIN ============ */
.admin-layout {
  display: grid;
  grid-template-columns: 240px 1fr;
  min-height: 100vh;
}

.admin-sidebar {
  background: var(--bg-secondary);
  border-right: 1px solid var(--border);
  padding: 24px 0;
}

.admin-sidebar .logo {
  padding: 0 20px 24px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 16px;
}

.admin-nav {
  list-style: none;
}

.admin-nav li a {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 20px;
  color: var(--text-secondary);
  font-size: 14px;
  font-weight: 500;
  border-left: 3px solid transparent;
}

.admin-nav li a:hover,
.admin-nav li a.active {
  background: var(--bg-hover);
  color: var(--accent-primary);
  border-left-color: var(--accent-primary);
}

.admin-content {
  padding: 30px;
  overflow-x: auto;
}

.admin-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 28px;
  flex-wrap: wrap;
  gap: 14px;
}

.admin-header h1 {
  font-size: 26px;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 18px;
  margin-bottom: 30px;
}

.stat-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 22px;
  position: relative;
  overflow: hidden;
}

.stat-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0;
  width: 4px;
  height: 100%;
  background: var(--accent-gradient);
}

.stat-card .label {
  font-size: 13px;
  color: var(--text-muted);
  margin-bottom: 6px;
}

.stat-card .value {
  font-size: 28px;
  font-weight: 800;
  color: var(--accent-primary);
}

/* Admin Table */
.admin-table-wrap {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.admin-table {
  width: 100%;
  border-collapse: collapse;
}

.admin-table th,
.admin-table td {
  padding: 12px 16px;
  text-align: left;
  border-bottom: 1px solid var(--border);
  font-size: 14px;
}

.admin-table th {
  background: var(--bg-secondary);
  color: var(--text-secondary);
  font-weight: 600;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.admin-table tr:hover td {
  background: var(--bg-hover);
}

.admin-table img {
  width: 40px;
  height: 40px;
  border-radius: 4px;
  object-fit: cover;
}

.badge {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 12px;
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
}

.badge-pending { background: rgba(255, 170, 0, 0.15); color: var(--warning); }
.badge-processing { background: rgba(0, 240, 255, 0.15); color: var(--accent-primary); }
.badge-shipped { background: rgba(176, 38, 255, 0.15); color: var(--accent-secondary); }
.badge-delivered { background: rgba(0, 255, 136, 0.15); color: var(--success); }
.badge-cancelled { background: rgba(255, 51, 102, 0.15); color: var(--danger); }

/* Modal */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.75);
  backdrop-filter: blur(4px);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  padding: 20px;
}

.modal-overlay.active { display: flex; }

.modal {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  max-width: 700px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  padding: 28px;
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--border);
}

.modal-close {
  background: transparent;
  color: var(--text-secondary);
  font-size: 24px;
  line-height: 1;
}

.modal-close:hover { color: var(--danger); }

/* Alerts */
.alert {
  padding: 14px 18px;
  border-radius: var(--radius-sm);
  margin-bottom: 16px;
  font-size: 14px;
  border-left: 4px solid;
}

.alert-success { background: rgba(0, 255, 136, 0.08); border-color: var(--success); color: var(--success); }
.alert-danger { background: rgba(255, 51, 102, 0.08); border-color: var(--danger); color: var(--danger); }
.alert-info { background: rgba(0, 240, 255, 0.08); border-color: var(--accent-primary); color: var(--accent-primary); }

/* Empty state */
.empty-state {
  text-align: center;
  padding: 60px 20px;
  color: var(--text-muted);
}

.empty-state .icon {
  font-size: 60px;
  margin-bottom: 16px;
  opacity: 0.5;
}

/* Login */
.login-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  background:
    radial-gradient(circle at 30% 40%, rgba(0, 240, 255, 0.1), transparent 50%),
    radial-gradient(circle at 70% 60%, rgba(176, 38, 255, 0.1), transparent 50%),
    var(--bg-primary);
}

.login-box {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 40px;
  width: 100%;
  max-width: 420px;
  box-shadow: var(--shadow-hover);
}

.login-box h2 {
  text-align: center;
  margin-bottom: 8px;
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.login-box .subtitle {
  text-align: center;
  color: var(--text-muted);
  margin-bottom: 28px;
  font-size: 14px;
}

/* FAQ */
.faq-list {
  max-width: 800px;
  margin: 0 auto;
}

.faq-item {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  margin-bottom: 12px;
  overflow: hidden;
}

.faq-question {
  padding: 18px 22px;
  font-weight: 600;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: var(--transition);
}

.faq-question:hover { background: var(--bg-hover); }

.faq-answer {
  padding: 0 22px;
  max-height: 0;
  overflow: hidden;
  color: var(--text-secondary);
  font-size: 14px;
  transition: all 0.3s ease;
}

.faq-item.open .faq-answer {
  padding: 0 22px 18px;
  max-height: 400px;
}

.faq-item.open .faq-toggle { transform: rotate(45deg); }

.faq-toggle {
  font-size: 20px;
  color: var(--accent-primary);
  transition: var(--transition);
}

/* Contact */
.contact-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 18px;
  max-width: 1000px;
  margin: 0 auto;
}

.contact-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 22px;
  text-align: center;
  transition: var(--transition);
}

.contact-card:hover {
  border-color: var(--accent-primary);
  transform: translateY(-3px);
}

.contact-card .icon {
  font-size: 32px;
  margin-bottom: 10px;
  color: var(--accent-primary);
}

.contact-card h4 {
  margin-bottom: 6px;
  font-size: 15px;
}

.contact-card a, .contact-card span {
  color: var(--text-secondary);
  font-size: 14px;
  word-break: break-all;
}

/* Order success */
.success-box {
  max-width: 600px;
  margin: 60px auto;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 50px 30px;
  text-align: center;
}

.success-icon {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  background: rgba(0, 255, 136, 0.15);
  color: var(--success);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 40px;
  margin: 0 auto 20px;
}

/* Payment QR */
.payment-methods {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 14px;
  margin-bottom: 20px;
}

.payment-option {
  background: var(--bg-secondary);
  border: 2px solid var(--border);
  border-radius: var(--radius-md);
  padding: 16px;
  cursor: pointer;
  text-align: center;
  transition: var(--transition);
}

.payment-option:hover,
.payment-option.selected {
  border-color: var(--accent-primary);
}

.payment-option img {
  width: 80px;
  height: 80px;
  object-fit: contain;
  margin: 0 auto 8px;
  background: white;
  border-radius: 6px;
  padding: 4px;
}

.qr-display {
  text-align: center;
  padding: 20px;
  background: var(--bg-secondary);
  border-radius: var(--radius-md);
  margin-bottom: 20px;
}

.qr-display img {
  width: 200px;
  height: 200px;
  object-fit: contain;
  margin: 0 auto 10px;
  background: white;
  padding: 8px;
  border-radius: 8px;
}

/* Image preview */
.image-preview-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(90px, 1fr));
  gap: 10px;
  margin-top: 10px;
}

.image-preview-item {
  position: relative;
  aspect-ratio: 1/1;
  border-radius: var(--radius-sm);
  overflow: hidden;
  border: 1px solid var(--border);
}

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

.image-preview-item button {
  position: absolute;
  top: 4px;
  right: 4px;
  background: var(--danger);
  color: white;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  font-size: 12px;
  line-height: 1;
}

/* ============ RESPONSIVE ============ */
@media (max-width: 960px) {
  .cart-container, .checkout-container {
    grid-template-columns: 1fr;
  }
  .product-detail {
    grid-template-columns: 1fr;
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
  .admin-layout {
    grid-template-columns: 1fr;
  }
  .admin-sidebar {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 240px;
    height: 100vh;
    z-index: 200;
  }
  .admin-sidebar.open { display: block; }
}

@media (max-width: 720px) {
  .nav-links {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--bg-secondary);
    flex-direction: column;
    padding: 20px;
    border-bottom: 1px solid var(--border);
  }
  .nav-links.open { display: flex; }
  .mobile-toggle { display: block; }
  .form-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 28px; }
  .cart-item { grid-template-columns: 60px 1fr; }
  .cart-item .remove-btn { grid-column: 1 / -1; text-align: right; }

  /* Mobile tracking box adjustments */
  .tracking-highlight {
    padding: 14px 16px;
  }
  .tracking-highlight .tracking-title {
    font-size: 13px;
  }
  .tracking-highlight .tracking-body {
    font-size: 13px;
  }
  .tracking-highlight .tracking-contact {
    font-size: 14px;
    padding: 7px 14px;
  }
}

/* Utility */
.text-center { text-align: center; }
.mt-20 { margin-top: 20px; }
.mb-20 { margin-bottom: 20px; }
.hidden { display: none !important; }

/* Scrollbar */
::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: var(--bg-secondary); }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 5px; }
::-webkit-scrollbar-thumb:hover { background: var(--accent-primary); }