/* ============================================================
   SHOP & CART STYLES
   ============================================================ */

/* Cart drawer */
.cart-drawer {
  position: fixed;
  top: 0;
  right: 0;
  width: min(420px, 100vw);
  height: 100dvh;
  background: var(--color-surface);
  border-left: 1px solid var(--color-border);
  box-shadow: var(--shadow-lg);
  z-index: 500;
  display: flex;
  flex-direction: column;
  transform: translateX(100%);
  transition: transform 320ms cubic-bezier(0.16, 1, 0.3, 1);
}
.cart-drawer.open { transform: translateX(0); }

.cart-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.4);
  z-index: 499;
  opacity: 0;
  pointer-events: none;
  transition: opacity 320ms;
}
.cart-overlay.visible { opacity: 1; pointer-events: all; }

.cart-drawer-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-6) var(--space-6) var(--space-5);
  border-bottom: 1px solid var(--color-border);
}

.cart-drawer-header h2 {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 700;
}

.cart-close {
  width: 36px; height: 36px;
  display: flex; align-items: center; justify-content: center;
  border-radius: var(--radius-md);
  color: var(--color-text-muted);
  cursor: pointer;
  transition: background var(--transition-interactive), color var(--transition-interactive);
  background: none; border: none;
}
.cart-close:hover { background: var(--color-surface-offset); color: var(--color-text); }

.cart-drawer-body {
  flex: 1;
  overflow-y: auto;
  padding: var(--space-5) var(--space-6);
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.cart-empty {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-4);
  height: 100%;
  min-height: 200px;
  color: var(--color-text-muted);
  text-align: center;
}

.cart-item {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: var(--space-2);
  padding: var(--space-4);
  background: var(--color-surface-2);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
}

.cart-item-info {
  grid-column: 1 / -1;
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
}

.cart-item-name {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-text);
}

.cart-item-price {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
}

.cart-item-controls {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.qty-btn {
  width: 28px; height: 28px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  font-size: var(--text-base);
  font-weight: 600;
  display: flex; align-items: center; justify-content: center;
  cursor: pointer;
  transition: background var(--transition-fast);
  color: var(--color-text);
}
.qty-btn:hover { background: var(--color-surface-offset); }

.qty-val {
  font-size: var(--text-sm);
  font-weight: 600;
  min-width: 24px;
  text-align: center;
}

.remove-btn {
  width: 28px; height: 28px;
  border-radius: var(--radius-sm);
  background: none;
  border: none;
  font-size: 18px;
  color: var(--color-text-muted);
  cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  transition: color var(--transition-fast);
  line-height: 1;
}
.remove-btn:hover { color: var(--color-error); }

.cart-item-subtotal {
  font-size: var(--text-sm);
  font-weight: 700;
  color: var(--color-primary);
  align-self: center;
}

.cart-total {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-4);
  background: var(--color-surface-offset);
  border-radius: var(--radius-md);
  font-size: var(--text-base);
  font-weight: 600;
}

.cart-total strong {
  font-size: var(--text-lg);
  color: var(--color-primary);
}

.cart-actions {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.cart-note {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  text-align: center;
  max-width: 100%;
}

/* Cart toast */
.cart-toast {
  position: fixed;
  bottom: var(--space-8);
  left: 50%;
  transform: translateX(-50%) translateY(20px);
  background: var(--color-text);
  color: var(--color-text-inverse);
  padding: var(--space-3) var(--space-6);
  border-radius: var(--radius-full);
  font-size: var(--text-sm);
  font-weight: 500;
  z-index: 600;
  opacity: 0;
  transition: opacity 250ms, transform 250ms;
  display: flex;
  align-items: center;
  gap: var(--space-2);
  white-space: nowrap;
  box-shadow: var(--shadow-lg);
}
.cart-toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }

/* Product grid */
.product-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: var(--space-6);
}

.product-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: box-shadow var(--transition-interactive), transform var(--transition-interactive);
}
.product-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-3px);
}

.product-image {
  position: relative;
  aspect-ratio: 4/3;
  overflow: hidden;
  background: var(--color-surface-offset);
}

.product-image img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform 400ms ease;
}
.product-card:hover .product-image img { transform: scale(1.04); }

.product-badge {
  position: absolute;
  top: var(--space-3);
  left: var(--space-3);
}

.product-body {
  padding: var(--space-5);
}

.product-name {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 700;
  margin-bottom: var(--space-2);
  color: var(--color-text);
}

.product-tagline {
  font-size: var(--text-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-accent);
  margin-bottom: var(--space-3);
}

.product-desc {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.6;
  margin-bottom: var(--space-4);
}

.product-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
}

.product-price {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 700;
  color: var(--color-primary);
}

.product-price .price-note {
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: 400;
  color: var(--color-text-muted);
  display: block;
  margin-top: 2px;
}

/* Filter bar */
.shop-filter-bar {
  display: flex;
  gap: var(--space-3);
  flex-wrap: wrap;
  align-items: center;
  margin-bottom: var(--space-8);
}

.filter-btn {
  padding: var(--space-2) var(--space-5);
  font-size: var(--text-sm);
  font-weight: 600;
  border-radius: var(--radius-full);
  border: 2px solid var(--color-border);
  background: transparent;
  color: var(--color-text-muted);
  cursor: pointer;
  transition: all var(--transition-interactive);
  font-family: var(--font-body);
}
.filter-btn:hover, .filter-btn.active {
  border-color: var(--color-primary);
  color: var(--color-primary);
  background: var(--color-primary-light);
}

/* Animations */
.animate-in {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 600ms ease, transform 600ms ease;
}
.animate-in.visible { opacity: 1; transform: translateY(0); }