.cart-overlay {
  position: fixed; inset: 0; background: rgba(10, 20, 24, 0.4);
  opacity: 0; pointer-events: none; transition: opacity 0.2s ease; z-index: 30;
}
.cart-overlay.open { opacity: 1; pointer-events: auto; }

.cart-drawer {
  position: fixed; top: 0; right: 0; height: 100%; width: min(380px, 92vw);
  background: var(--surface); box-shadow: var(--shadow);
  transform: translateX(100%); transition: transform 0.25s ease; z-index: 31;
  display: flex; flex-direction: column;
}
.cart-drawer.open { transform: translateX(0); }

.cart-head { padding: 1.2rem 1.3rem; border-bottom: 1px solid var(--line); display: flex; justify-content: space-between; align-items: center; }
.cart-head h3 { font-size: 1.1rem; }
.cart-close { border: none; background: none; font-size: 1.3rem; color: var(--ink-soft); line-height: 1; }

.cart-items { flex: 1; overflow-y: auto; padding: 1rem 1.3rem; display: flex; flex-direction: column; gap: 0.9rem; }
.cart-empty { color: var(--ink-soft); font-size: 0.9rem; text-align: center; margin-top: 2rem; }

.cart-row { display: flex; justify-content: space-between; align-items: center; gap: 0.6rem; font-size: 0.88rem; }
.cart-row .name { font-weight: 600; }
.qty-ctrl { display: flex; align-items: center; gap: 0.4rem; }
.qty-ctrl button { border: 1px solid var(--line); background: transparent; color: var(--ink); width: 1.5rem; height: 1.5rem; border-radius: 6px; }
.qty-ctrl span { min-width: 1.2rem; text-align: center; font-variant-numeric: tabular-nums; }

.cart-foot { border-top: 1px solid var(--line); padding: 1.1rem 1.3rem 1.4rem; display: flex; flex-direction: column; gap: 0.8rem; }
.cart-total { display: flex; justify-content: space-between; font-weight: 700; font-size: 1.05rem; }
.whatsapp-btn { border: none; background: var(--accent); color: var(--accent-ink); padding: 0.8rem; border-radius: 10px; font-weight: 600; text-align: center; display: block; text-decoration: none; transition: background 0.15s ease; }
.whatsapp-btn:hover:not(.disabled) { background: var(--accent-dark); }
.whatsapp-btn.disabled { background: var(--line); color: var(--ink-soft); pointer-events: none; }

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