/* Mobile cart: keep both actions accessible above the persistent bottom navigation.
   Cart > overlay > bottom nav, while checkout modal remains above the cart. */
@media (max-width: 640px) {
  #cartPanel {
    width: 100%;
    max-width: 100%;
    box-sizing: border-box;
    height: 100vh; /* Fallback for browsers without dynamic viewport units. */
    height: 100dvh;
    max-height: 100dvh;
    overflow: hidden;
    z-index: 110;
  }

  /* Raise the backdrop only while the CART is open, not for other overlays. */
  #cartPanel.is-open + #overlay.is-open {
    z-index: 100;
  }

  #cartPanel .cart-panel__header {
    flex: 0 0 auto;
    padding: 16px 18px;
  }

  #cartPanel .cart-items {
    flex: 1 1 auto;
    min-height: 0; /* Allows a long cart to scroll without pushing the footer offscreen. */
    overflow-y: auto;
    overscroll-behavior: contain;
    -webkit-overflow-scrolling: touch;
    padding: 12px 18px;
  }

  #cartPanel .cart-item {
    grid-template-columns: 46px minmax(0, 1fr) auto;
    gap: 10px;
  }

  #cartPanel .cart-item__icon {
    width: 46px;
    height: 46px;
  }

  #cartPanel .cart-item h3 {
    overflow-wrap: anywhere;
  }

  #cartPanel .qty {
    gap: 5px;
  }

  #cartPanel .qty button {
    min-width: 32px;
    min-height: 32px;
  }

  #cartPanel .cart-summary {
    flex: 0 1 auto;
    min-height: 0;
    max-height: 62%;
    margin-top: 0;
    overflow-y: auto; /* Makes the controls reachable on extra-short screens. */
    overscroll-behavior: contain;
    -webkit-overflow-scrolling: touch;
    padding: 14px 18px calc(18px + env(safe-area-inset-bottom, 0px));
    gap: 10px;
    background: #fff;
  }

  #cartPanel #whatsappOrder,
  #cartPanel #clearCart {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    min-height: 48px;
    box-sizing: border-box;
    flex: 0 0 auto;
    text-align: center;
    white-space: normal;
  }
}