/* ===== Store: outline button (light backgrounds) ===== */
.btn-outline{background:transparent;color:var(--ink);border:1.5px solid var(--line);}
.btn-outline:hover{background:var(--paper-2);border-color:var(--ink);}

/* ===== Store: category tiles ===== */
.category-tiles{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:1.5rem;margin-top:2.5rem;}
.category-tile{background:var(--white);border:1px solid var(--line);border-radius:var(--radius-lg);padding:2rem;text-align:center;box-shadow:var(--shadow-sm);transition:transform .15s ease,box-shadow .15s ease;display:block;}
.category-tile:hover{transform:translateY(-4px);box-shadow:var(--shadow);}
.category-tile svg{width:48px;height:48px;color:var(--green);margin:0 auto 1rem;fill:none;stroke:currentColor;stroke-width:2;}
.category-tile h3{font-size:1.15rem;font-weight:800;}
.category-tile p{margin-top:.5rem;opacity:.8;font-size:.9rem;}

/* ===== Store: product grid / cards ===== */
.product-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:1.5rem;margin-top:2.5rem;}
.product-card{position:relative;background:var(--white);border:1px solid var(--line);border-radius:var(--radius-lg);padding:1.5rem;box-shadow:var(--shadow-sm);display:flex;flex-direction:column;}
.product-card .sale-badge{position:absolute;top:1rem;left:1rem;background:var(--red);color:var(--white);font-size:.72rem;font-weight:800;padding:.3rem .7rem;border-radius:999px;letter-spacing:.03em;z-index:1;}
.product-image{width:100%;aspect-ratio:1/1;border-radius:var(--radius-md);background:var(--paper-2);display:flex;align-items:center;justify-content:center;overflow:hidden;margin-bottom:1.2rem;}
.product-image img{width:100%;height:100%;object-fit:contain;}
.product-image svg{width:56px;height:56px;color:var(--ink);opacity:.35;fill:none;stroke:currentColor;stroke-width:1.6;}
.product-brand{color:var(--green-dark);font-weight:700;font-size:.78rem;text-transform:uppercase;letter-spacing:.03em;}
.product-card h3{font-size:1.05rem;font-weight:800;margin-top:.3rem;}
.product-compat{font-size:.82rem;opacity:.7;margin-top:.4rem;}
.product-price-row{display:flex;align-items:baseline;gap:.6rem;margin-top:1rem;}
.price-old{text-decoration:line-through;opacity:.5;font-size:.9rem;}
.price-new{color:var(--green-dark);font-weight:800;font-size:1.3rem;}
.stock-status{margin-top:.3rem;font-size:.8rem;font-weight:700;}
.stock-in{color:var(--green-dark);}
.stock-out{color:var(--red);}
.product-card .btn{margin-top:1.2rem;}

/* ===== Store: empty state ===== */
.empty-state{margin-top:2.5rem;background:var(--white);border:1px dashed var(--line);border-radius:var(--radius-lg);padding:3rem 2rem;text-align:center;}
.empty-state h3{font-size:1.2rem;font-weight:800;}
.empty-state p{opacity:.75;margin-top:.6rem;}

/* ===== Store: responsive ===== */
@media (max-width:980px){
  .product-grid,.category-tiles{grid-template-columns:repeat(2,minmax(0,1fr));}
}
@media (max-width:640px){
  .product-grid,.category-tiles{grid-template-columns:1fr;}
}