/* ============================================================
   BIOPEPTIX — Shop / Catalog Styles
   ============================================================ */

/* ── Filter Bar ─────────────────────────────────────────── */
.filter-bar {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  flex-wrap: wrap;
  margin-bottom: 2.5rem;
}
.filter-bar-label {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-sub);
  margin-right: 0.5rem;
}
.filter-btn {
  padding: 0.45rem 1.1rem;
  border-radius: var(--radius-pill);
  font-size: 0.85rem;
  font-weight: 600;
  border: 1.5px solid var(--gray-200);
  background: var(--white);
  color: var(--text-sub);
  cursor: pointer;
  transition: var(--transition);
}
.filter-btn:hover {
  border-color: var(--secondary);
  color: var(--secondary);
}
.filter-btn.active {
  background: var(--secondary);
  border-color: var(--secondary);
  color: var(--white);
}

/* ── Product Grid ───────────────────────────────────────── */
.product-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.75rem;
}
@media (max-width: 1024px) { .product-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px)  { .product-grid { grid-template-columns: 1fr; } }

/* ── Product Card ───────────────────────────────────────── */
.product-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  transition: var(--transition);
  border: 1px solid var(--gray-100);
  display: flex;
  flex-direction: column;
}
.product-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-5px);
}
.product-card__img-wrap {
  position: relative;
  overflow: hidden;
  background: var(--gray-soft);
  aspect-ratio: 4/3;
}
.product-card__img-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}
.product-card:hover .product-card__img-wrap img { transform: scale(1.06); }
.product-card__badge {
  position: absolute;
  top: 0.75rem;
  left: 0.75rem;
}
.product-card__body {
  padding: 1.25rem;
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}
.product-card__name {
  font-size: 1rem;
  font-weight: 700;
  color: var(--primary);
  line-height: 1.3;
}
.product-card__desc {
  font-size: 0.85rem;
  color: var(--text-sub);
  flex: 1;
}
.product-card__footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 0.75rem;
  gap: 0.5rem;
}
.product-card__price {
  font-size: 1.3rem;
  font-weight: 800;
  color: var(--secondary);
}
.product-card__price span {
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--gray-400);
  text-decoration: line-through;
  margin-left: 0.35rem;
}
.add-to-cart-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  gap: 0.35rem;
  padding: 0.75rem 1.1rem;
  background: #E6E8F6; /* Light indigo */
  color: #3B3A9B; /* Dark indigo */
  border-radius: 2rem;
  font-size: 0.95rem;
  font-weight: 600;
  transition: var(--transition);
  border: none;
  cursor: pointer;
}
.add-to-cart-btn:hover {
  background: #3B3A9B;
  color: #FFFFFF;
  transform: scale(1.02);
}
.add-to-cart-btn.added {
  background: var(--success);
  color: var(--white);
}

/* No results */
.no-results {
  grid-column: 1/-1;
  text-align: center;
  padding: 4rem 2rem;
  color: var(--text-sub);
}
.no-results svg { opacity: 0.25; margin: 0 auto 1rem; }

/* ── Shop Hero Banner ───────────────────────────────────── */
.shop-hero {
  background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
  padding: 3.5rem 0;
  text-align: center;
  color: var(--white);
}
.shop-hero h1 { color: var(--white); margin-bottom: 0.5rem; }
.shop-hero p  { color: rgba(255,255,255,0.8); font-size: 1.05rem; }

/* ── Cart Drawer ────────────────────────────────────────── */
.cart-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.45);
  z-index: 1500;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}
.cart-overlay.open { opacity: 1; pointer-events: all; }

.cart-drawer {
  position: fixed;
  top: 0; right: -420px;
  width: 420px;
  max-width: 100vw;
  height: 100vh;
  background: var(--white);
  z-index: 1600;
  display: flex;
  flex-direction: column;
  box-shadow: -8px 0 32px rgba(0,0,0,0.15);
  transition: right 0.35s cubic-bezier(0.4,0,0.2,1);
}
.cart-drawer.open { right: 0; }

.cart-drawer__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.25rem 1.5rem;
  border-bottom: 1px solid var(--gray-100);
}
.cart-drawer__title {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--primary);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
.cart-drawer__close {
  width: 36px; height: 36px;
  border-radius: 50%;
  background: var(--gray-100);
  display: flex; align-items: center; justify-content: center;
  color: var(--primary);
  font-size: 1.1rem;
  cursor: pointer;
  transition: var(--transition);
}
.cart-drawer__close:hover { background: var(--danger); color: var(--white); }

.cart-drawer__body {
  flex: 1;
  overflow-y: auto;
  padding: 1rem 1.5rem;
}
.cart-empty {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  height: 100%;
  gap: 1rem;
  color: var(--text-sub);
  text-align: center;
}
.cart-empty svg { opacity: 0.25; }

.cart-item {
  display: flex;
  gap: 1rem;
  padding: 1rem 0;
  border-bottom: 1px solid var(--gray-100);
  align-items: center;
}
.cart-item:last-child { border-bottom: none; }
.cart-item__img {
  width: 72px; height: 72px;
  border-radius: var(--radius);
  object-fit: cover;
  background: var(--gray-soft);
  flex-shrink: 0;
}
.cart-item__info { flex: 1; }
.cart-item__name {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--primary);
  margin-bottom: 0.25rem;
}
.cart-item__price {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--secondary);
}
.cart-item__qty {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-top: 0.4rem;
}
.qty-btn {
  width: 26px; height: 26px;
  border-radius: 50%;
  background: var(--gray-100);
  border: none;
  cursor: pointer;
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--primary);
  display: flex; align-items: center; justify-content: center;
  transition: var(--transition);
}
.qty-btn:hover { background: var(--secondary); color: var(--white); }
.qty-val {
  font-size: 0.9rem;
  font-weight: 600;
  min-width: 20px;
  text-align: center;
}
.cart-item__remove {
  color: var(--gray-400);
  font-size: 0.85rem;
  cursor: pointer;
  transition: var(--transition);
  padding: 4px;
}
.cart-item__remove:hover { color: var(--danger); }

.cart-drawer__footer {
  padding: 1.25rem 1.5rem;
  border-top: 1px solid var(--gray-100);
  background: var(--gray-soft);
}
.cart-subtotal {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1rem;
  font-weight: 600;
}
.cart-subtotal .amount {
  font-size: 1.3rem;
  font-weight: 800;
  color: var(--secondary);
}
.cart-checkout-btn {
  width: 100%;
  padding: 0.9rem;
  background: var(--secondary);
  color: var(--white);
  border-radius: var(--radius-pill);
  font-size: 1rem;
  font-weight: 700;
  border: none;
  cursor: pointer;
  transition: var(--transition);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
}
.cart-checkout-btn:hover { background: var(--accent); transform: translateY(-1px); }