/* ==========================================================================
   Floating cart icon + slide-out mini cart
   Relies on design tokens defined in ../style.css (:root variables).
   ========================================================================== */

.cart-fab {
  position: fixed;
  top: calc(var(--header-height) + 16px);
  right: 20px;
  z-index: 150;
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: var(--color-white);
  box-shadow: var(--shadow-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}
.cart-fab:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.cart-badge {
  position: absolute;
  top: -4px;
  right: -4px;
  min-width: 20px;
  height: 20px;
  padding: 0 5px;
  border-radius: 999px;
  background: var(--color-accent);
  color: #fff;
  font-size: 0.7rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  line-height: 1;
}

/* Overlay behind the drawer */
.cart-overlay {
  position: fixed;
  inset: 0;
  background: rgba(15, 23, 42, 0.45);
  z-index: 149;
  opacity: 0;
  transition: opacity var(--transition-base);
}
.cart-overlay.visible { opacity: 1; }

/* Slide-out drawer */
.cart-drawer {
  position: fixed;
  top: 0;
  right: 0;
  bottom: 0;
  width: min(380px, 100vw);
  background: var(--color-white);
  box-shadow: var(--shadow-lg);
  z-index: 151;
  display: flex;
  flex-direction: column;
  transform: translateX(100%);
  transition: transform var(--transition-base);
}
.cart-drawer.open { transform: translateX(0); }

.cart-drawer-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-lg);
  border-bottom: 1px solid var(--color-border);
  flex-shrink: 0;
}
.cart-drawer-header h2 {
  margin: 0;
  font-size: 1.2rem;
}
.cart-close {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  transition: background var(--transition-fast);
}
.cart-close:hover { background: var(--color-bg-muted); }

.cart-drawer-body {
  flex: 1;
  overflow-y: auto;
  padding: var(--space-lg);
}

.cart-empty {
  color: var(--color-text-faint);
  text-align: center;
  margin-top: var(--space-xl);
}

.cart-item {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 0.3rem 1rem;
  padding-bottom: var(--space-md);
  border-bottom: 1px solid var(--color-border);
}
.cart-item-name {
  font-weight: 600;
  margin: 0 0 0.2rem;
  font-size: 0.95rem;
}
.cart-item-qty {
  font-size: 0.85rem;
  color: var(--color-text-faint);
  margin: 0;
}
.cart-item-price {
  font-weight: 600;
  text-align: right;
  margin: 0;
}
.cart-item-remove {
  grid-column: 1 / -1;
  justify-self: start;
  font-size: 0.85rem;
  color: var(--color-text-faint);
  text-decoration: underline;
  margin-top: 0.4rem;
}
.cart-item-remove:hover { color: var(--color-accent); }

.cart-total {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-weight: 700;
  font-size: 1.05rem;
  margin-top: var(--space-md);
  padding-top: var(--space-md);
}

.cart-drawer-footer {
  padding: var(--space-lg);
  border-top: 1px solid var(--color-border);
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  flex-shrink: 0;
}
.cart-drawer-footer .btn {
  width: 100%;
  text-align: center;
}
#cart-checkout[aria-disabled="true"] {
  pointer-events: none;
  opacity: 0.5;
}

@media (max-width: 480px) {
  .cart-drawer { width: 100vw; }
}