/* ==========================================================================
   Composants — panier (drawer) + toast
   ========================================================================== */

.cart-overlay {
  position: fixed;
  inset: 0;
  z-index: var(--z-overlay);
  background: rgba(10, 11, 11, 0.6);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--duration-base) var(--ease-out-expo),
    visibility 0s linear var(--duration-base);
}

.cart-overlay.is-open {
  opacity: 1;
  visibility: visible;
  transition: opacity var(--duration-base) var(--ease-out-expo);
}

.cart-drawer {
  position: fixed;
  top: 0;
  right: 0;
  bottom: 0;
  z-index: var(--z-drawer);
  width: min(420px, 92vw);
  display: flex;
  flex-direction: column;
  background: rgba(25, 28, 29, 0.92);
  border-left: 1px solid var(--glass-border);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  box-shadow: var(--shadow-lg);
  opacity: 0;
  visibility: hidden;
  transform: translateY(24px);
  transition: opacity var(--duration-base) var(--ease-out-expo),
    transform var(--duration-base) var(--ease-out-expo),
    visibility 0s linear var(--duration-base);
  /* Contrainte projet : compositing des éléments fixes */
  will-change: transform;
}

.cart-drawer.is-open {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
  transition: opacity var(--duration-base) var(--ease-out-expo),
    transform var(--duration-base) var(--ease-out-expo);
}

.cart-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-5);
  border-bottom: 1px solid rgba(255, 255, 255, 0.07);
}

.cart-head h3 {
  font-size: var(--text-xl);
}

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

.cart-empty {
  margin: auto;
  text-align: center;
  color: var(--color-text-muted);
}

.cart-empty svg {
  width: 54px;
  height: 54px;
  margin: 0 auto var(--space-4);
  opacity: 0.5;
}

.cart-item {
  display: grid;
  grid-template-columns: 72px 1fr auto;
  gap: var(--space-4);
  align-items: center;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  padding: var(--space-3);
}

.cart-item-img {
  width: 72px;
  height: 72px;
  object-fit: cover;
  background: var(--color-bg-elevated);
  border-radius: var(--radius-sm);
}

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

.cart-item-price {
  color: var(--color-accent-soft);
  font-size: var(--text-sm);
  margin-top: 2px;
}

.cart-item-qty {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  margin-top: var(--space-2);
  font-size: var(--text-sm);
}

.cart-item-qty button {
  width: 24px;
  height: 24px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  border: 1px solid var(--glass-border);
  color: var(--color-text-muted);
  line-height: 1;
}

.cart-item-qty button:hover {
  color: var(--color-accent);
  border-color: var(--color-accent);
}

.cart-item-remove {
  color: var(--color-text-faint);
  transition: color var(--duration-fast) var(--ease-out-expo);
  align-self: start;
}

.cart-item-remove:hover {
  color: var(--color-accent);
}

.cart-item-remove svg {
  width: 17px;
  height: 17px;
}

.cart-foot {
  padding: var(--space-5);
  border-top: 1px solid rgba(255, 255, 255, 0.07);
}

.cart-total-row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: var(--space-4);
}

.cart-total-row strong {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  color: var(--color-accent-soft);
}

.cart-note {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  text-align: center;
  margin-top: var(--space-3);
}

.cart-foot .btn {
  width: 100%;
}

/* Toast confirmation */
.toast {
  position: fixed;
  bottom: var(--space-6);
  left: 50%;
  z-index: var(--z-toast);
  display: flex;
  align-items: center;
  gap: var(--space-3);
  background: rgba(25, 28, 29, 0.95);
  border: 1px solid rgba(79, 201, 141, 0.4);
  border-radius: var(--radius-pill);
  padding: var(--space-3) var(--space-5);
  font-size: var(--text-sm);
  font-weight: 500;
  box-shadow: var(--shadow-lg);
  opacity: 0;
  visibility: hidden;
  transform: translate(-50%, 16px);
  transition: opacity var(--duration-base) var(--ease-out-expo),
    transform var(--duration-base) var(--ease-out-expo),
    visibility 0s linear var(--duration-base);
}

.toast.is-visible {
  opacity: 1;
  visibility: visible;
  transform: translate(-50%, 0);
  transition: opacity var(--duration-base) var(--ease-out-expo),
    transform var(--duration-base) var(--ease-out-expo);
}

.toast svg {
  width: 18px;
  height: 18px;
  color: var(--color-success);
  flex-shrink: 0;
}