:root{
  --bg:#f7f7f9;
  --card:#ffffff;
  --accent:#2b7a78;
  --muted:#777;
}
*{box-sizing:border-box}
body{
  margin:0;
  font-family:Inter, system-ui, Arial, sans-serif;
  background:var(--bg);
  color:#111;
}
.site-header{
  display:flex;
  justify-content:space-between;
  align-items:center;
  padding:16px 20px;
  background:linear-gradient(90deg,#fff,#f1f1f1);
  box-shadow:0 2px 6px rgba(0,0,0,0.06);
}
.product-grid{
  display:grid;
  grid-template-columns: repeat(auto-fill,minmax(220px,1fr));
  gap:16px;
  padding:20px;
}
.card{
  background:var(--card);
  border-radius:8px;
  padding:12px;
  box-shadow:0 1px 4px rgba(0,0,0,0.06);
  display:flex;
  flex-direction:column;
  gap:8px;
}
.card img{
  width:100%;
  height:130px;
  object-fit:cover;
  border-radius:6px;
}
.card h3{margin:0;font-size:1rem}
.card p.price{margin:0;font-weight:700}
.button-row{display:flex;gap:8px;margin-top:auto}
button{cursor:pointer;border:0;padding:8px 10px;border-radius:6px}
button.primary{background:var(--accent);color:#fff}
button.ghost{background:transparent;border:1px solid #ddd}
.cart-panel{
  position:fixed;
  right:16px;
  top:70px;
  width:320px;
  max-height:70vh;
  overflow:auto;
  background:var(--card);
  padding:16px;
  border-radius:8px;
  box-shadow:0 8px 30px rgba(0,0,0,0.12);
  z-index:1000;
}
.hidden{display:none}
.cart-item{display:flex;gap:8px;align-items:center;padding:8px 0;border-bottom:1px solid #eee}
.cart-item img{width:60px;height:40px;object-fit:cover;border-radius:6px}
.qty-controls{display:flex;gap:6px;align-items:center}
.cart-footer{display:flex;justify-content:space-between;align-items:center;padding-top:8px}
.close-btn{float:right;background:transparent;font-weight:bold}

.button-row {
  display: flex;
  gap: 8px;
  align-items: center;
  margin-top: auto;
}
.stock-inline {
  flex: 1;
  height: 10px;
  background: #eee;
  border-radius: 5px;
  overflow: hidden;
}
.stock-fill-inline {
  height: 100%;
  transition: width 0.4s ease;
}