:root {
  --bg: #07111f;
  --bg2: #0c1629;
  --panel: rgba(255,255,255,.06);
  --line: rgba(255,255,255,.1);
  --text: #f4f7fb;
  --muted: #afbbcf;
  --primary: #66e0ff;
  --secondary: #9d7dff;
  --dark: #060d18;
  --success: #1fb874;
  --danger: #ff627b;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: Inter, system-ui, sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top right, rgba(102,224,255,.16), transparent 25%),
    radial-gradient(circle at top left, rgba(157,125,255,.15), transparent 23%),
    linear-gradient(180deg, var(--bg), var(--bg2));
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
.container { width: min(1180px, calc(100% - 32px)); margin: 0 auto; }
.site-header { position: sticky; top: 0; z-index: 100; backdrop-filter: blur(18px); background: rgba(7,17,31,.72); border-bottom: 1px solid var(--line); }
.nav-row { display:flex; align-items:center; justify-content:space-between; min-height:80px; gap:20px; }
.brand { display:flex; align-items:center; gap:14px; }
.brand strong { display:block; font-size: 1.05rem; }
.brand small { display:block; color: var(--muted); margin-top:2px; }
.brand-mark { width:46px; height:46px; display:grid; place-items:center; border-radius:16px; background: linear-gradient(135deg, rgba(102,224,255,.25), rgba(157,125,255,.25)); border:1px solid var(--line); font-weight:800; }
.main-nav { display:flex; align-items:center; gap:22px; flex-wrap:wrap; }
.main-nav a { color: var(--muted); }
.main-nav a:hover, .main-nav a.active { color: #fff; }
.pill-nav { padding: 10px 16px; border-radius:999px; border:1px solid var(--line); background: var(--panel); }
.hero { padding: 72px 0 36px; }
.hero-grid { display:grid; grid-template-columns: 1.1fr .9fr; gap:34px; align-items:center; }
.eyebrow { display:inline-flex; padding:8px 14px; border-radius:999px; border:1px solid var(--line); background: var(--panel); color:#dff7ff; font-size:.88rem; }
.hero h1, .section-head h1 { font-size: clamp(2.5rem, 6vw, 4.7rem); line-height:1.03; margin:16px 0; letter-spacing:-0.04em; }
.hero p, .section-head p, .lead { color: var(--muted); font-size: 1.08rem; line-height: 1.8; }
.hero-actions, .product-actions, .footer-actions { display:flex; flex-wrap:wrap; gap:14px; }
.btn { display:inline-flex; align-items:center; justify-content:center; gap:8px; padding: 14px 20px; border-radius: 16px; border:1px solid var(--line); font-weight:600; cursor:pointer; }
.btn-primary { background: linear-gradient(135deg, var(--primary), #9af0ff); color:#06111c; }
.btn-secondary { background: rgba(255,255,255,.04); color:#fff; }
.full { width:100%; }
.stats-grid { display:grid; grid-template-columns: repeat(3, 1fr); gap:14px; margin-top:28px; }
.stats-grid > div, .feature-box, .card, .category-card, .hero-visual, .login-card, .admin-panel, .admin-stat { background: var(--panel); border:1px solid var(--line); border-radius: 24px; }
.stats-grid > div { padding:20px; }
.stats-grid strong { display:block; font-size:1.7rem; margin-bottom:6px; }
.stats-grid span { color: var(--muted); }
.hero-visual { position:relative; overflow:hidden; min-height:520px; }
.hero-visual img { width:100%; height:100%; object-fit:cover; }
.card-glow { box-shadow: 0 20px 80px rgba(50,175,255,.15); }
.visual-panel { position:absolute; left:18px; right:18px; bottom:18px; padding:22px; border-radius:22px; background: rgba(0,0,0,.38); backdrop-filter: blur(14px); border:1px solid rgba(255,255,255,.1); }
.visual-panel span, .tag { display:inline-flex; padding:7px 12px; border-radius:999px; background: rgba(102,224,255,.14); color:#b9f5ff; font-size:.85rem; border:1px solid rgba(102,224,255,.18); }
.visual-panel h3 { margin:10px 0 0; font-size:1.45rem; }
.section { padding: 34px 0 70px; }
.section-head { text-align:center; max-width: 760px; margin: 0 auto 26px; }
.section-head.left { text-align:left; margin-left:0; }
.section-head h2 { font-size: clamp(2rem, 5vw, 3.2rem); margin:10px 0; letter-spacing:-0.03em; }
.cards { display:grid; gap:22px; }
.four-col { grid-template-columns: repeat(4, 1fr); }
.product-grid { grid-template-columns: repeat(4, 1fr); }
.category-card, .feature-box, .admin-panel { padding:24px; }
.icon-dot { width:14px; height:14px; border-radius:50%; background: linear-gradient(135deg, var(--primary), var(--secondary)); margin-bottom: 16px; }
.category-card h3, .feature-box h3, .product-body h3 { margin:0 0 10px; }
.category-card p, .feature-box p, .product-body p, .site-footer p, .site-footer li, .copyright, .muted-box { color: var(--muted); line-height:1.75; }
.product-card { overflow:hidden; border-radius: 28px; background: var(--panel); border:1px solid var(--line); display:flex; flex-direction:column; }
.product-image-wrap { aspect-ratio: 4 / 3; overflow:hidden; }
.product-image-wrap img, .single-image img { width:100%; height:100%; object-fit:cover; transition: transform .45s ease; }
.product-card:hover .product-image-wrap img { transform: scale(1.06); }
.product-body { padding:22px; display:flex; flex-direction:column; gap:10px; }
.price-row { display:flex; align-items:center; gap:10px; }
.price-row strong { font-size:1.3rem; }
.price-row small { text-decoration:line-through; color: var(--muted); }
.dark-strip { background: linear-gradient(180deg, rgba(255,255,255,.015), rgba(255,255,255,.03)); border-top:1px solid var(--line); border-bottom:1px solid var(--line); }
.feature-band { display:grid; grid-template-columns: repeat(3, 1fr); gap:20px; }
.page-top { padding-top: 46px; }
.filters { display:grid; grid-template-columns: 1.3fr .8fr auto; gap:14px; margin: 20px 0 28px; }
.filters input, .filters select, .admin-form input, .admin-form textarea, .admin-form select {
  width:100%; padding: 14px 16px; border-radius: 16px; background: rgba(255,255,255,.04); border:1px solid var(--line); color:#fff; font: inherit;
}
.filters input::placeholder, .admin-form input::placeholder, .admin-form textarea::placeholder { color: #97a8c2; }
.filters select option, .admin-form select option { color: #000; }
.empty-state { padding:28px; border:1px dashed var(--line); border-radius:22px; color: var(--muted); }
.product-single { display:grid; grid-template-columns: .95fr 1.05fr; gap:28px; align-items:start; }
.single-image { overflow:hidden; border-radius: 30px; min-height: 520px; background: var(--panel); border:1px solid var(--line); }
.single-content h1 { font-size: clamp(2.2rem, 5vw, 3.8rem); line-height:1.05; margin:12px 0; }
.stock-line { margin: 18px 0 8px; color: #cfefff; }
.single-price strong { font-size:2rem; }
.detail-box { margin-top: 24px; padding: 24px; background: var(--panel); border:1px solid var(--line); border-radius: 24px; }
.detail-box ul { margin: 14px 0 0 18px; color: var(--muted); }
.site-footer { padding: 44px 0 24px; border-top:1px solid var(--line); margin-top: 22px; }
.footer-grid { display:grid; grid-template-columns: 1.1fr .9fr .9fr 1fr; gap:24px; }
.site-footer h3, .site-footer h4 { margin-top:0; }
.site-footer ul { list-style:none; padding:0; margin:0; }
.copyright { margin-top: 20px; padding-top: 18px; border-top:1px solid var(--line); }
.admin-body { background: linear-gradient(180deg, #07111f, #0c1629); min-height:100vh; }
.login-card { width:min(460px, calc(100% - 32px)); margin: 10vh auto; padding:32px; }
.login-card h1 { margin:0 0 8px; }
.admin-form { display:grid; gap:16px; }
.admin-form label { display:grid; gap:8px; font-weight:600; color:#dce8f9; }
.alert { padding:14px 16px; border-radius:16px; margin: 0 0 18px; }
.alert.success { background: rgba(31,184,116,.14); border:1px solid rgba(31,184,116,.3); }
.alert.error { background: rgba(255,98,123,.12); border:1px solid rgba(255,98,123,.28); }
.muted-box { margin-top:14px; padding:14px 16px; border-radius:16px; background: rgba(255,255,255,.04); border:1px solid var(--line); }
.admin-shell { display:grid; grid-template-columns: 270px 1fr; }
.admin-sidebar { min-height:100vh; position:sticky; top:0; padding:24px 18px; border-right:1px solid var(--line); background: rgba(3,10,19,.6); backdrop-filter: blur(18px); }
.admin-brand { margin-bottom:24px; }
.admin-sidebar nav { display:grid; gap:10px; }
.admin-sidebar nav a { padding:12px 14px; border-radius:14px; color:#d4e0f3; background: rgba(255,255,255,.03); border:1px solid transparent; }
.admin-sidebar nav a:hover { border-color: var(--line); }
.admin-main { padding:28px; }
.admin-header h1 { margin:0 0 6px; font-size: 2rem; }
.admin-header p { color: var(--muted); }
.admin-stats { display:grid; grid-template-columns: repeat(3, 1fr); gap:18px; margin: 18px 0 22px; }
.admin-stat { padding:24px; }
.admin-stat strong { display:block; font-size:1.8rem; }
.admin-stat span { color:var(--muted); }
.admin-grid { display:grid; grid-template-columns: repeat(3, 1fr); gap:18px; }
.admin-grid.two { grid-template-columns: 1.05fr 1.15fr; align-items:start; }
.admin-panel.wide { min-width:0; }
.grid-form { grid-template-columns: repeat(2, 1fr); }
.full-row, .checkbox-line { grid-column:1 / -1; }
.checkbox-line { display:flex !important; align-items:center; gap:10px; }
.checkbox-line input { width:auto; }
.table-wrap { overflow:auto; }
.admin-table { width:100%; border-collapse: collapse; }
.admin-table th, .admin-table td { border-bottom:1px solid var(--line); padding:12px 10px; text-align:left; vertical-align:middle; }
.thumb { width:58px; height:58px; object-fit:cover; border-radius:12px; }
.table-link { margin-right:12px; color:#b6ecff; }
.table-link.danger { color:#ff9cab; }
.mtop { margin-top: 16px; }
@media (max-width: 1100px) {
  .hero-grid, .product-single, .footer-grid, .admin-shell, .admin-grid.two { grid-template-columns: 1fr; }
  .four-col, .product-grid, .feature-band, .admin-stats, .admin-grid { grid-template-columns: repeat(2, 1fr); }
  .admin-sidebar { min-height:auto; position:relative; }
}
@media (max-width: 700px) {
  .main-nav { display:none; }
  .stats-grid, .four-col, .product-grid, .feature-band, .admin-stats, .admin-grid, .grid-form, .filters { grid-template-columns: 1fr; }
  .hero { padding-top:44px; }
  .hero-visual { min-height:320px; }
  .single-image { min-height:320px; }
  .admin-main { padding:18px; }
}