/* ============================================
   SHOPVN — Modern Tech E-commerce
   Dark luxe + gradient accents + glassmorphism
   ============================================ */

/* ── Foundation ── */
:root {
  --bg-dark: #0a0e1a;
  --bg-card: #111827;
  --bg-card-hover: #1a2236;
  --bg-surface: #0f1629;
  --bg-glass: rgba(17, 24, 39, .72);
  --bg-page: #060a14;

  --accent: #6366f1;
  --accent-light: #818cf8;
  --accent-glow: rgba(99,102,241,.35);
  --gradient-main: linear-gradient(135deg, #6366f1 0%, #a855f7 50%, #ec4899 100%);
  --gradient-btn: linear-gradient(135deg, #6366f1 0%, #8b5cf6 100%);
  --gradient-hot: linear-gradient(135deg, #f43f5e 0%, #fb923c 100%);
  --gradient-success: linear-gradient(135deg, #10b981 0%, #34d399 100%);

  --text: #f1f5f9;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  --text-dark: #1e293b;

  --border: rgba(148, 163, 184, .12);
  --border-accent: rgba(99, 102, 241, .3);

  --radius: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --shadow: 0 4px 24px rgba(0,0,0,.3);
  --shadow-glow: 0 0 32px rgba(99,102,241,.15);
  --shadow-card: 0 2px 12px rgba(0,0,0,.25);

  --transition: .25s cubic-bezier(.4,0,.2,1);
  --font: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
}

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

body {
  font-family: var(--font);
  background: var(--bg-page);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

a { color: var(--accent-light); text-decoration: none; transition: color var(--transition); }
a:hover { color: #c4b5fd; }
img { max-width: 100%; height: auto; }
.container { max-width: 1240px; margin: 0 auto; padding: 0 20px; }

/* ── Buttons ── */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 11px 24px; border: none; border-radius: var(--radius);
  font-size: 14px; font-weight: 600; cursor: pointer; font-family: var(--font);
  transition: all var(--transition); text-decoration: none; line-height: 1.4;
  position: relative; overflow: hidden;
}
.btn::after {
  content: ''; position: absolute; inset: 0;
  background: linear-gradient(rgba(255,255,255,.1), transparent);
  opacity: 0; transition: opacity var(--transition);
}
.btn:hover::after { opacity: 1; }

.btn-primary {
  background: var(--gradient-btn); color: #fff;
  box-shadow: 0 4px 16px rgba(99,102,241,.3);
}
.btn-primary:hover { transform: translateY(-1px); box-shadow: 0 6px 24px rgba(99,102,241,.45); color: #fff; }

.btn-outline {
  background: transparent; border: 1px solid var(--border);
  color: var(--text-secondary); backdrop-filter: blur(8px);
}
.btn-outline:hover { border-color: var(--accent); color: var(--accent-light); }

.btn-danger { background: var(--gradient-hot); color: #fff; }
.btn-ghost { background: rgba(255,255,255,.06); color: var(--text-secondary); border: 1px solid var(--border); }
.btn-ghost:hover { background: rgba(255,255,255,.1); color: var(--text); }
.btn-sm { padding: 7px 14px; font-size: 13px; border-radius: 8px; }
.btn-lg { padding: 15px 32px; font-size: 16px; }
.btn-full { width: 100%; }
.btn-icon { display: flex; align-items: center; color: var(--text-secondary); }
.btn-icon:hover { color: var(--accent-light); }

/* ── Top Bar ── */
.topbar {
  background: var(--gradient-main); color: #fff;
  font-size: 12px; padding: 7px 0; letter-spacing: .3px;
  text-align: center;
}
.topbar-inner { display: flex; justify-content: center; align-items: center; gap: 16px; }
.topbar-promo { font-weight: 500; }
.topbar-contact { display: none; opacity: .9; }
@media (min-width: 768px) {
  .topbar-inner { justify-content: space-between; }
  .topbar-contact { display: block; }
}

/* ── Header ── */
.header {
  background: var(--bg-glass); backdrop-filter: blur(20px) saturate(1.5);
  -webkit-backdrop-filter: blur(20px) saturate(1.5);
  border-bottom: 1px solid var(--border);
  padding: 14px 0; position: sticky; top: 0; z-index: 100;
}
.header-inner { display: flex; align-items: center; gap: 20px; }

.logo {
  font-size: 24px; font-weight: 800; white-space: nowrap; text-decoration: none;
  background: var(--gradient-main); -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
}

.search-form { flex: 1; position: relative; max-width: 480px; }
.search-form input {
  width: 100%; padding: 11px 44px 11px 16px;
  background: rgba(255,255,255,.06); border: 1px solid var(--border);
  border-radius: var(--radius-xl); font-size: 14px; color: var(--text);
  transition: all var(--transition); font-family: var(--font);
}
.search-form input::placeholder { color: var(--text-muted); }
.search-form input:focus {
  outline: none; border-color: var(--accent);
  background: rgba(255,255,255,.08);
  box-shadow: 0 0 0 3px var(--accent-glow);
}
.search-form button {
  position: absolute; right: 4px; top: 50%; transform: translateY(-50%);
  background: var(--gradient-btn); color: #fff; border: none; border-radius: 50%;
  width: 34px; height: 34px; display: flex; align-items: center; justify-content: center;
  cursor: pointer; transition: transform var(--transition);
}
.search-form button:hover { transform: translateY(-50%) scale(1.05); }

.search-dropdown {
  display: none; position: absolute; top: calc(100% + 6px); left: 0; right: 0;
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius); box-shadow: var(--shadow); z-index: 200;
  overflow: hidden;
}
.search-dropdown.active { display: block; }
.search-dropdown a {
  display: flex; align-items: center; gap: 12px; padding: 10px 16px;
  color: var(--text); font-size: 14px; border-bottom: 1px solid var(--border);
  transition: background var(--transition);
}
.search-dropdown a:last-child { border-bottom: none; }
.search-dropdown a:hover { background: rgba(99,102,241,.08); }
.search-dropdown img { width: 40px; height: 40px; object-fit: cover; border-radius: 8px; }

.header-actions { display: flex; align-items: center; gap: 12px; }
.cart-link {
  position: relative; display: flex; align-items: center;
  color: var(--text-secondary); transition: color var(--transition);
}
.cart-link:hover { color: var(--accent-light); }
.cart-badge {
  position: absolute; top: -7px; right: -9px;
  background: var(--gradient-hot); color: #fff;
  font-size: 10px; font-weight: 700;
  width: 19px; height: 19px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 2px 8px rgba(244,63,94,.4);
}

/* ── Category Nav ── */
.catnav {
  background: var(--bg-surface); border-bottom: 1px solid var(--border);
  overflow-x: auto; scrollbar-width: none;
}
.catnav::-webkit-scrollbar { display: none; }
.catnav-inner { display: flex; gap: 0; }
.catnav-link {
  padding: 12px 20px; white-space: nowrap; font-size: 14px; font-weight: 500;
  color: var(--text-secondary); transition: all var(--transition);
  position: relative;
}
.catnav-link::after {
  content: ''; position: absolute; bottom: 0; left: 50%; width: 0; height: 2px;
  background: var(--gradient-main); transition: all var(--transition);
  transform: translateX(-50%);
}
.catnav-link:hover { color: var(--text); }
.catnav-link:hover::after { width: 70%; }

/* ── Hero ── */
.hero {
  position: relative; padding: 60px 0; text-align: center;
  overflow: hidden;
}
.hero::before {
  content: ''; position: absolute; inset: 0;
  background:
    radial-gradient(ellipse 60% 50% at 50% 0%, rgba(99,102,241,.2) 0%, transparent 70%),
    radial-gradient(ellipse 40% 40% at 80% 100%, rgba(168,85,247,.12) 0%, transparent 60%),
    radial-gradient(ellipse 40% 40% at 10% 80%, rgba(236,72,153,.08) 0%, transparent 60%);
}
.hero .container { position: relative; z-index: 1; }
.hero h1 {
  font-size: 32px; font-weight: 800; margin-bottom: 16px; line-height: 1.2;
  background: linear-gradient(135deg, #fff 30%, var(--accent-light) 100%);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
}
.hero p { font-size: 17px; color: var(--text-secondary); margin-bottom: 28px; max-width: 500px; margin-left: auto; margin-right: auto; }
.hero .btn { background: #fff; color: var(--bg-dark); font-weight: 700; border-radius: var(--radius-xl); }
.hero .btn:hover { transform: translateY(-2px); box-shadow: 0 8px 32px rgba(255,255,255,.15); color: var(--bg-dark); }
@media (min-width: 768px) {
  .hero { padding: 80px 0; }
  .hero h1 { font-size: 48px; }
  .hero p { font-size: 19px; }
}

/* ── Sections ── */
.section { padding: 48px 0; }
.section-alt { background: var(--bg-surface); }
.section-title {
  font-size: 24px; font-weight: 700; margin-bottom: 32px; text-align: center;
  position: relative;
}
.section-title::after {
  content: ''; display: block; width: 48px; height: 3px; margin: 10px auto 0;
  background: var(--gradient-main); border-radius: 2px;
}

/* ── Category Cards ── */
.cat-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 16px; }
.cat-card {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius-lg); padding: 36px 24px; text-align: center;
  transition: all var(--transition); position: relative; overflow: hidden;
}
.cat-card::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0; height: 3px;
  background: var(--gradient-main); transform: scaleX(0);
  transition: transform var(--transition); transform-origin: left;
}
.cat-card:hover {
  border-color: var(--border-accent);
  transform: translateY(-4px);
  box-shadow: var(--shadow-glow);
}
.cat-card:hover::before { transform: scaleX(1); }
.cat-card:hover { color: var(--text); }
.cat-card-icon { font-size: 44px; display: block; margin-bottom: 14px; filter: drop-shadow(0 4px 8px rgba(0,0,0,.3)); }
.cat-card h3 { font-size: 16px; margin-bottom: 6px; color: var(--text); }
.cat-card-count { font-size: 13px; color: var(--text-muted); }

/* ── Product Grid ── */
.product-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px; }
@media (min-width: 640px) { .product-grid { grid-template-columns: repeat(3, 1fr); gap: 18px; } }
@media (min-width: 1024px) { .product-grid { grid-template-columns: repeat(4, 1fr); } }

.product-card {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius-lg); overflow: hidden;
  transition: all var(--transition);
}
.product-card:hover {
  border-color: var(--border-accent);
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(0,0,0,.3), var(--shadow-glow);
}
.product-card-img {
  display: block; aspect-ratio: 1; overflow: hidden; background: var(--bg-surface);
  position: relative;
}
.product-card-img img {
  width: 100%; height: 100%; object-fit: cover;
  transition: transform .4s cubic-bezier(.4,0,.2,1);
}
.product-card:hover .product-card-img img { transform: scale(1.08); }
.product-card-placeholder {
  width: 100%; height: 100%; display: flex; align-items: center; justify-content: center;
  background: var(--bg-surface);
}
.product-card-badge {
  position: absolute; top: 10px; left: 10px;
  background: var(--gradient-hot); color: #fff;
  font-size: 11px; font-weight: 700; padding: 3px 10px; border-radius: 6px;
  box-shadow: 0 2px 8px rgba(244,63,94,.3);
}
.product-card-body { padding: 14px; }
.product-card-cat {
  font-size: 11px; color: var(--accent-light); text-transform: uppercase;
  letter-spacing: .8px; font-weight: 600;
}
.product-card-title {
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical;
  overflow: hidden; font-size: 14px; font-weight: 600; color: var(--text);
  margin: 6px 0 10px; line-height: 1.4;
}
.product-card-title:hover { color: var(--accent-light); }
.product-card-price { margin-bottom: 12px; display: flex; align-items: baseline; gap: 8px; flex-wrap: wrap; }
.price-sale { font-size: 17px; font-weight: 700; color: #f472b6; }
.price-original { font-size: 13px; color: var(--text-muted); text-decoration: line-through; }

.add-cart-form .btn {
  width: 100%; background: rgba(99,102,241,.12); color: var(--accent-light);
  border: 1px solid rgba(99,102,241,.2); font-weight: 600; border-radius: 10px;
}
.add-cart-form .btn:hover {
  background: var(--gradient-btn); color: #fff; border-color: transparent;
  box-shadow: 0 4px 16px rgba(99,102,241,.35);
}

/* ── Trust ── */
.trust-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }
@media (min-width: 768px) { .trust-grid { grid-template-columns: repeat(4, 1fr); } }
.trust-item {
  text-align: center; padding: 24px 16px;
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius-lg); transition: all var(--transition);
}
.trust-item:hover { border-color: var(--border-accent); }
.trust-icon { font-size: 36px; display: block; margin-bottom: 10px; }
.trust-item h3 { font-size: 14px; font-weight: 600; margin-bottom: 4px; }
.trust-item p { font-size: 13px; color: var(--text-muted); }

/* ── Breadcrumb ── */
.breadcrumb {
  font-size: 13px; color: var(--text-muted); padding: 20px 0;
  display: flex; gap: 8px; flex-wrap: wrap; align-items: center;
}
.breadcrumb a { color: var(--text-muted); }
.breadcrumb a:hover { color: var(--accent-light); }
.breadcrumb span { opacity: .4; }

/* ── Page ── */
.page-content { padding-bottom: 48px; }
.page-header {
  display: flex; justify-content: space-between; align-items: center;
  flex-wrap: wrap; gap: 16px; margin-bottom: 28px;
}
.page-header h1 { font-size: 26px; font-weight: 700; }
.sort-bar { display: flex; align-items: center; gap: 6px; font-size: 13px; }
.sort-bar span { color: var(--text-muted); }
.sort-bar a {
  color: var(--text-muted); padding: 5px 12px; border-radius: 8px;
  border: 1px solid transparent; transition: all var(--transition);
}
.sort-bar a:hover { color: var(--text); border-color: var(--border); }
.sort-bar a.active {
  color: var(--accent-light); background: rgba(99,102,241,.1);
  border-color: var(--border-accent); font-weight: 600;
}

/* ── Product Detail ── */
.product-detail { display: grid; grid-template-columns: 1fr; gap: 28px; margin-bottom: 48px; }
@media (min-width: 768px) { .product-detail { grid-template-columns: 1fr 1fr; gap: 48px; } }

.product-main-img {
  border-radius: var(--radius-lg); overflow: hidden;
  background: var(--bg-card); border: 1px solid var(--border);
}
.product-main-img img { width: 100%; aspect-ratio: 1; object-fit: cover; }
.product-thumbs { display: flex; gap: 8px; margin-top: 10px; overflow-x: auto; }
.thumb {
  width: 68px; height: 68px; object-fit: cover; border-radius: 10px;
  border: 2px solid var(--border); cursor: pointer; flex-shrink: 0;
  transition: all var(--transition); opacity: .6;
}
.thumb.active, .thumb:hover { border-color: var(--accent); opacity: 1; }

.product-info h1 { font-size: 24px; margin-bottom: 20px; line-height: 1.3; font-weight: 700; }
.product-price-block { display: flex; align-items: baseline; gap: 14px; margin-bottom: 20px; }
.product-price-main {
  font-size: 32px; font-weight: 800;
  background: var(--gradient-hot); -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
}
.product-price-old { font-size: 16px; color: var(--text-muted); text-decoration: line-through; }
.product-discount {
  background: rgba(244,63,94,.15); color: #fb7185;
  font-size: 13px; font-weight: 700; padding: 4px 12px; border-radius: 8px;
}
.product-short-desc { color: var(--text-secondary); margin-bottom: 24px; font-size: 15px; line-height: 1.7; }

.product-add-form { display: flex; gap: 14px; margin-bottom: 24px; flex-wrap: wrap; }
.qty-control {
  display: flex; border: 1px solid var(--border); border-radius: var(--radius);
  overflow: hidden; background: var(--bg-card);
}
.qty-control button {
  width: 44px; border: none; background: transparent; font-size: 18px;
  cursor: pointer; transition: all var(--transition); color: var(--text-secondary);
}
.qty-control button:hover { background: rgba(99,102,241,.1); color: var(--accent-light); }
.qty-control input {
  width: 56px; border: none; background: transparent;
  border-left: 1px solid var(--border); border-right: 1px solid var(--border);
  text-align: center; font-size: 15px; color: var(--text); font-family: var(--font);
}
.qty-control input::-webkit-inner-spin-button { -webkit-appearance: none; }

.product-meta { font-size: 14px; color: var(--text-muted); }
.product-description { margin-bottom: 48px; }
.product-description h2 {
  font-size: 20px; margin-bottom: 18px; padding-bottom: 14px;
  border-bottom: 1px solid var(--border);
}
.desc-content { white-space: pre-wrap; line-height: 1.8; color: var(--text-secondary); }
.related-section h2 { font-size: 20px; margin-bottom: 20px; }

/* ── Cart ── */
.cart-table-wrap { overflow-x: auto; }
.cart-table { width: 100%; border-collapse: collapse; }
.cart-table th {
  text-align: left; font-size: 12px; color: var(--text-muted);
  text-transform: uppercase; letter-spacing: .8px;
  padding: 14px 12px; border-bottom: 1px solid var(--border);
}
.cart-table td {
  padding: 18px 12px; border-bottom: 1px solid var(--border); vertical-align: middle;
}
.cart-product-cell { display: flex; align-items: center; gap: 14px; min-width: 220px; }
.cart-product-cell a { color: var(--text); font-weight: 500; }
.cart-product-cell a:hover { color: var(--accent-light); }
.cart-thumb { width: 68px; height: 68px; object-fit: cover; border-radius: 10px; border: 1px solid var(--border); }
.cart-qty-form input {
  width: 60px; padding: 8px; background: var(--bg-card); border: 1px solid var(--border);
  border-radius: 8px; text-align: center; color: var(--text); font-family: var(--font);
}
.cart-subtotal { font-weight: 700; white-space: nowrap; color: var(--accent-light); }
.btn-icon-danger {
  background: none; border: none; font-size: 22px; color: var(--text-muted);
  cursor: pointer; padding: 6px 10px; border-radius: 8px; transition: all var(--transition);
}
.btn-icon-danger:hover { background: rgba(244,63,94,.1); color: #fb7185; }

.cart-summary { margin-top: 28px; text-align: right; }
.cart-total { font-size: 20px; margin-bottom: 18px; }
.cart-total strong {
  font-size: 26px;
  background: var(--gradient-hot); -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
}
.cart-actions { display: flex; gap: 14px; justify-content: flex-end; }

/* ── Checkout ── */
.checkout-grid { display: grid; gap: 32px; }
@media (min-width: 768px) { .checkout-grid { grid-template-columns: 1fr 400px; } }
.checkout-form-wrap h2, .checkout-summary h2 { font-size: 18px; margin-bottom: 18px; }
.checkout-summary {
  background: var(--bg-card); border-radius: var(--radius-lg); padding: 28px;
  border: 1px solid var(--border); align-self: start; position: sticky; top: 90px;
}
.checkout-item {
  display: flex; justify-content: space-between; padding: 10px 0;
  font-size: 14px; border-bottom: 1px solid var(--border); color: var(--text-secondary);
}
.checkout-item-price { color: var(--text); font-weight: 500; }
.checkout-total {
  display: flex; justify-content: space-between; margin-top: 18px;
  font-size: 18px; padding-top: 14px; border-top: 1px solid var(--border);
}
.checkout-total strong {
  background: var(--gradient-hot); -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
}

.checkout-form { }

/* ── Forms ── */
.form-group { margin-bottom: 18px; }
.form-group label { display: block; font-size: 14px; font-weight: 600; margin-bottom: 8px; color: var(--text-secondary); }
.form-group input, .form-group select, .form-group textarea {
  width: 100%; padding: 12px 16px;
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius); color: var(--text); font-size: 14px;
  font-family: var(--font); transition: all var(--transition);
}
.form-group input::placeholder, .form-group textarea::placeholder { color: var(--text-muted); }
.form-group input:focus, .form-group select:focus, .form-group textarea:focus {
  outline: none; border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-glow);
}

/* ── Pagination ── */
.pagination { display: flex; justify-content: center; gap: 6px; margin-top: 36px; }
.pagination a {
  padding: 9px 16px; border: 1px solid var(--border); border-radius: 10px;
  color: var(--text-secondary); font-size: 14px; transition: all var(--transition);
}
.pagination a:hover { border-color: var(--accent); color: var(--accent-light); }
.pagination a.active {
  background: var(--gradient-btn); color: #fff; border-color: transparent;
  box-shadow: 0 4px 12px rgba(99,102,241,.3);
}

/* ── Empty state ── */
.empty-state { text-align: center; padding: 72px 20px; }
.empty-state p { color: var(--text-muted); margin-bottom: 24px; font-size: 16px; }

/* ── Alerts ── */
.alert { padding: 16px 20px; border-radius: var(--radius); margin-bottom: 18px; font-size: 14px; }
.alert-success { background: rgba(16,185,129,.1); border: 1px solid rgba(16,185,129,.3); color: #34d399; }
.alert-success a { color: var(--accent-light); font-weight: 600; }
.alert-error { background: rgba(244,63,94,.1); border: 1px solid rgba(244,63,94,.3); color: #fb7185; }

/* ── Footer ── */
.footer {
  background: var(--bg-surface); border-top: 1px solid var(--border);
  padding: 48px 0 0; margin-top: 48px;
}
.footer-grid { display: grid; grid-template-columns: 1fr; gap: 28px; }
@media (min-width: 768px) { .footer-grid { grid-template-columns: 2fr 1fr 1fr; } }
.footer-col h3 { font-size: 16px; font-weight: 700; margin-bottom: 14px; color: var(--text); }
.footer-col a {
  display: block; color: var(--text-muted); padding: 4px 0; font-size: 14px;
  transition: color var(--transition);
}
.footer-col a:hover { color: var(--accent-light); }
.footer-col p { font-size: 14px; color: var(--text-muted); line-height: 1.7; }
.footer-bottom {
  border-top: 1px solid var(--border); padding: 18px 0; margin-top: 36px;
  font-size: 13px; text-align: center; color: var(--text-muted);
}

/* ============================================
   ADMIN — Dark Tech Theme
   ============================================ */
.admin-login-body {
  min-height: 100vh; display: flex; align-items: center; justify-content: center;
  background: var(--bg-page);
  background-image: radial-gradient(ellipse at top, rgba(99,102,241,.08), transparent 60%);
}
.admin-login-card {
  background: var(--bg-card); border: 1px solid var(--border);
  padding: 44px; border-radius: var(--radius-lg); box-shadow: var(--shadow);
  width: 100%; max-width: 400px;
}
.admin-login-card h1 {
  text-align: center; margin-bottom: 28px; font-size: 22px;
  background: var(--gradient-main); -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
}

.admin-body { display: flex; min-height: 100vh; background: var(--bg-page); }

.admin-sidebar {
  width: 250px; background: var(--bg-surface); border-right: 1px solid var(--border);
  position: fixed; left: 0; top: 0; bottom: 0; z-index: 200;
  overflow-y: auto; transform: translateX(-100%); transition: transform .25s;
}
@media (min-width: 1024px) { .admin-sidebar { transform: none; } }
.sidebar-open .admin-sidebar { transform: none; }

.admin-sidebar-logo {
  padding: 22px 20px; font-size: 18px; font-weight: 800;
  border-bottom: 1px solid var(--border);
}
.admin-sidebar-logo a {
  background: var(--gradient-main); -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
}
.admin-nav { padding: 14px 0; }
.admin-nav-link {
  display: block; padding: 11px 22px; color: var(--text-muted); font-size: 14px;
  transition: all var(--transition); border-left: 3px solid transparent; font-weight: 500;
}
.admin-nav-link:hover {
  background: rgba(99,102,241,.06); color: var(--text);
  border-left-color: var(--accent);
}
.admin-nav hr { border: none; border-top: 1px solid var(--border); margin: 10px 18px; }

.admin-main { flex: 1; margin-left: 0; }
@media (min-width: 1024px) { .admin-main { margin-left: 250px; } }

.admin-header {
  background: var(--bg-glass); backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
  padding: 18px 28px; display: flex; align-items: center; gap: 18px;
  position: sticky; top: 0; z-index: 100;
}
.admin-header h1 { font-size: 20px; font-weight: 700; }
.admin-menu-toggle {
  background: var(--bg-card); border: 1px solid var(--border); border-radius: 8px;
  font-size: 20px; padding: 7px 12px; cursor: pointer; color: var(--text);
}
@media (min-width: 1024px) { .admin-menu-toggle { display: none; } }

.admin-content { padding: 28px; }

.admin-stats-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px; margin-bottom: 28px; }
@media (min-width: 768px) { .admin-stats-grid { grid-template-columns: repeat(3, 1fr); } }
@media (min-width: 1200px) { .admin-stats-grid { grid-template-columns: repeat(6, 1fr); } }

.stat-card {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius-lg); padding: 18px;
  display: flex; align-items: center; gap: 14px;
  transition: all var(--transition);
}
.stat-card:hover { border-color: var(--border-accent); box-shadow: var(--shadow-glow); }
.stat-icon { font-size: 30px; }
.stat-number { font-size: 22px; font-weight: 800; }
.stat-label { font-size: 12px; color: var(--text-muted); margin-top: 2px; }

.admin-card {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius-lg); padding: 28px; margin-bottom: 22px;
}
.admin-card h2 { font-size: 18px; margin-bottom: 18px; font-weight: 700; }

.admin-toolbar { display: flex; gap: 12px; align-items: center; flex-wrap: wrap; margin-bottom: 18px; }
.admin-filters { display: flex; gap: 10px; margin-left: auto; }
.admin-filters select {
  padding: 9px 14px; background: var(--bg-card); border: 1px solid var(--border);
  border-radius: 8px; font-size: 13px; color: var(--text); font-family: var(--font);
}

.admin-table { width: 100%; border-collapse: collapse; }
.admin-table th {
  text-align: left; font-size: 11px; color: var(--text-muted);
  text-transform: uppercase; letter-spacing: .8px; padding: 12px 14px;
  border-bottom: 1px solid var(--border);
}
.admin-table td {
  padding: 14px; border-bottom: 1px solid var(--border);
  font-size: 14px; vertical-align: middle; color: var(--text-secondary);
}
.admin-table td strong { color: var(--text); }
.admin-thumb { width: 48px; height: 48px; object-fit: cover; border-radius: 8px; border: 1px solid var(--border); }
.admin-actions { display: flex; gap: 8px; }

.badge {
  display: inline-block; padding: 4px 12px; border-radius: var(--radius);
  font-size: 12px; font-weight: 600;
}
.badge-published, .badge-completed { background: rgba(16,185,129,.1); color: #34d399; }
.badge-draft, .badge-pending { background: rgba(214,158,46,.1); color: #fbbf24; }
.badge-cancelled { background: rgba(244,63,94,.1); color: #fb7185; }
.badge-confirmed { background: rgba(99,102,241,.1); color: var(--accent-light); }
.badge-shipping { background: rgba(56,189,248,.1); color: #38bdf8; }

.status-select {
  padding: 5px 10px; border-radius: 8px; font-size: 13px; cursor: pointer;
  background: var(--bg-surface); border: 1px solid var(--border);
  color: var(--text); font-family: var(--font);
}

.form-grid { display: grid; gap: 28px; }
@media (min-width: 768px) { .form-grid { grid-template-columns: 1fr 340px; } }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.form-preview-img {
  margin-top: 10px; width: 120px; height: 120px; object-fit: cover;
  border-radius: 10px; border: 1px solid var(--border);
}

/* ── Scrollbar ── */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--text-muted); }

/* ── Responsive ── */
@media (max-width: 640px) {
  .header-inner { flex-wrap: wrap; }
  .search-form { order: 3; flex-basis: 100%; max-width: 100%; margin-top: 10px; }
  .hero { padding: 40px 0; }
  .hero h1 { font-size: 26px; }
  .cart-table th:nth-child(2), .cart-table td:nth-child(2) { display: none; }
  .admin-content { padding: 16px; }
}

/* ── Animated background particles (subtle) ── */
@keyframes float {
  0%, 100% { transform: translateY(0) rotate(0deg); opacity: 0; }
  10% { opacity: .6; }
  90% { opacity: 0; }
  100% { transform: translateY(-100vh) rotate(720deg); }
}