:root{
  --bg:#071026;
  --card:#0b1220;
  --muted:#9aa4b2;
  --accent:#7c3aed;
  --glass: rgba(255,255,255,0.03);
  --radius:12px;
}

*{box-sizing:border-box}
body{
  margin:0;
  font-family: Inter, system-ui, -apple-system, "Segoe UI", Roboto, Arial;
  background: linear-gradient(180deg,#071126 0%, #081426 100%);
  color:#e6eef8;
  min-height:100vh;
  display:flex;
  flex-direction:column;
}

/* header */
.topbar{
  display:flex;
  justify-content:space-between;
  align-items:center;
  padding:14px 20px;
  border-bottom:1px solid rgba(255,255,255,0.03);
  background: linear-gradient(180deg, rgba(124,58,237,0.03), transparent);
}
.topbar h1{margin:0; font-size:1.2rem}
.top-right { display:flex; align-items:center; gap:8px }
.label { color:var(--muted); font-size:0.95rem; }

/* tabs */
.tabs { display:flex; gap:6px; padding:10px 20px; }
.tab { background:transparent; border:1px solid rgba(255,255,255,0.03); color:var(--muted); padding:8px 12px; border-radius:8px; cursor:pointer; }
.tab.active { background: linear-gradient(90deg,var(--accent), #4c1d95); color:white; border:none; }

/* layout */
.container{ width:95%; max-width:1100px; margin:18px auto; display:grid; grid-template-columns: 1fr 360px; gap:20px; align-items:start; }
.view{ display:block; }
.products-area{ display:flex; flex-direction:column; gap:18px; }

.products-section h2{ margin:0 0 10px 0; color:#fff }
.product-grid{ display:grid; grid-template-columns: repeat(auto-fill, minmax(220px,1fr)); gap:12px; }

.card{
  background: linear-gradient(180deg, rgba(255,255,255,0.02), transparent);
  border:1px solid rgba(255,255,255,0.04);
  padding:12px;
  border-radius:12px;
  box-shadow: 0 8px 22px rgba(2,6,23,0.6);
  display:flex;
  flex-direction:column;
  gap:8px;
}
.card h3{ margin:0; font-size:1.02rem }
.card .price{ font-weight:700; color:var(--accent) }

.btn{
  background:transparent;
  color:inherit;
  border:1px solid rgba(255,255,255,0.06);
  padding:8px 10px;
  border-radius:8px;
  cursor:pointer;
  text-decoration:none;
}
.btn.primary{
  background: linear-gradient(90deg,var(--accent), #4c1d95);
  border: none;
  color:white;
}

/* cart */
.cart{
  background: linear-gradient(180deg, rgba(255,255,255,0.02), transparent);
  border-radius:12px;
  padding:14px;
  border:1px solid rgba(255,255,255,0.03);
  min-height:220px;
}
.cart-list{ display:flex; flex-direction:column; gap:8px; max-height:320px; overflow:auto; margin-bottom:10px; }
.cart-item{ display:flex; justify-content:space-between; gap:8px; padding:10px; background:var(--glass); border-radius:8px; align-items:center; }
.cart-item .meta { color:var(--muted); font-size:0.9rem }
.qty-controls { display:flex; gap:6px; align-items:center; }

/* orders */
.orders-list{ display:flex; flex-direction:column; gap:8px; }
.order-card{ background:var(--card); padding:10px; border-radius:8px; border:1px solid rgba(255,255,255,0.03); }

/* fields & misc */
.field input, .checkout-form input { width:100%; padding:8px; border-radius:8px; border:1px solid rgba(255,255,255,0.04); background:transparent; color:inherit; margin-top:6px; }
.cart-footer { display:flex; flex-direction:column; gap:10px; margin-top:8px; }
.total { font-weight:700; font-size:1.05rem; color: #fff; }
.result { margin-top:10px; color:#a7f3d0; font-weight:700; text-align:center; }

/* popup */
.popup-overlay{ position:fixed; inset:0; background:rgba(0,0,0,0.7); display:flex; align-items:center; justify-content:center; z-index:999; }
.popup{ background: linear-gradient(180deg, rgba(255,255,255,0.02), rgba(255,255,255,0.01)); padding:18px; border-radius:12px; width: 360px; text-align:center; border:1px solid rgba(255,255,255,0.06); }
.popup h2{ color:#a7f3d0; margin:0 0 8px 0 }
.popup-code{ font-family:monospace; text-align:left; background:rgba(255,255,255,0.03); padding:10px; border-radius:8px; margin-top:8px; }

/* responsive */
@media (max-width:920px){
  .container{ grid-template-columns: 1fr; padding: 0 12px; }
  .top-right { margin-top:8px; }
  .product-grid{ grid-template-columns: 1fr; }
}