/* ==========================================================================
   FrameX — Overlays
   Cart drawer, product modal, toast, backdrop.
   Hidden overlays use visibility (not display) so they can animate and are
   removed from the tab order while closed.
   ========================================================================== */

.backdrop {
  position: fixed;
  inset: 0;
  z-index: var(--z-overlay);
  background: rgba(2, 3, 10, 0.55);
  opacity: 0;
  visibility: hidden;
  transition:
    opacity var(--dur-base) var(--ease-out),
    visibility 0s linear var(--dur-base);
}

.backdrop.is-visible {
  opacity: 1;
  visibility: visible;
  transition-delay: 0s;
}

/* Cart drawer ---------------------------------------------------------------- */
.drawer {
  position: fixed;
  inset: 0 0 0 auto;
  z-index: var(--z-drawer);
  display: flex;
  flex-direction: column;
  width: min(100%, 440px);
  background: var(--white);
  box-shadow: var(--shadow-overlay);
  visibility: hidden;
  transform: translateX(100%);
  transition:
    transform 420ms var(--ease-out),
    visibility 0s linear 420ms;
}

.drawer.is-open {
  visibility: visible;
  transform: none;
  transition-delay: 0s;
}

.drawer__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px;
  border-bottom: 1px solid var(--line);
}

.drawer__close {
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  transition: background-color var(--dur-fast) var(--ease-out);
}

.drawer__close:hover {
  background: var(--stone-soft);
}

.drawer__body {
  flex: 1;
  padding: 8px 20px 20px;
  overflow-y: auto;
  overscroll-behavior: contain;
}

.drawer__foot {
  display: grid;
  gap: 12px;
  padding: 16px 20px calc(16px + env(safe-area-inset-bottom, 0px));
  border-top: 1px solid var(--line);
  background: var(--white);
}

.drawer__foot[hidden] {
  display: none;
}

.cart-empty {
  display: grid;
  justify-items: center;
  gap: 12px;
  padding: 64px 12px;
  text-align: center;
  color: var(--muted);
}

.cart-empty .icon {
  width: 44px;
  height: 44px;
  color: var(--slate);
}

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

.cart-group {
  padding-top: 16px;
}

.cart-group__head {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 4px;
  color: var(--muted);
  font-size: var(--text-sm);
  font-weight: 700;
}

.cart-line {
  display: grid;
  grid-template-columns: 72px minmax(0, 1fr);
  gap: 14px;
  padding: 14px 0;
  border-bottom: 1px solid var(--line);
  animation: line-in 380ms var(--ease-out) both;
}

@keyframes line-in {
  from {
    opacity: 0;
    transform: translateX(16px);
  }
}

.cart-line.is-removing {
  opacity: 0;
  transform: translateX(24px);
  transition:
    opacity var(--dur-base) var(--ease-out),
    transform var(--dur-base) var(--ease-out);
}

.cart-line__image {
  width: 72px;
  height: 72px;
  border-radius: var(--radius-sm);
  object-fit: cover;
  background: var(--stone);
}

.cart-line__info {
  display: grid;
  gap: 4px;
  min-width: 0;
}

.cart-line__name {
  font-size: 0.95rem;
  font-weight: 700;
  line-height: 1.3;
}

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

.cart-line__row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  margin-top: 4px;
}

.cart-line__total {
  font-weight: 800;
}

.cart-line__remove {
  justify-self: start;
  color: var(--muted);
  font-size: var(--text-xs);
  text-decoration: underline;
  min-height: 44px;
  padding-inline: 2px;
}

.cart-line__remove:hover {
  color: var(--wine);
}

.summary-row {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  font-size: var(--text-sm);
}

.summary-row--total {
  font-size: 1.05rem;
  font-weight: 800;
}

.summary-row small {
  color: var(--muted);
}

.drawer__note {
  color: var(--muted);
  font-size: var(--text-xs);
}

/* Toast ------------------------------------------------------------------------ */
.toast-region {
  position: fixed;
  left: 50%;
  bottom: calc(20px + env(safe-area-inset-bottom, 0px));
  z-index: var(--z-toast);
  display: grid;
  gap: 8px;
  width: min(92vw, 420px);
  transform: translateX(-50%);
  pointer-events: none;
}

.toast {
  padding: 12px 18px;
  border-radius: var(--radius-md);
  background: var(--ink);
  color: var(--white);
  font-size: var(--text-sm);
  box-shadow: var(--shadow-overlay);
  animation: toast-in 380ms var(--ease-out) both;
}

.toast.is-leaving {
  animation: toast-out 260ms var(--ease-out) both;
}

@keyframes toast-in {
  from {
    opacity: 0;
    transform: translateY(14px);
  }
}

@keyframes toast-out {
  to {
    opacity: 0;
    transform: translateY(8px);
  }
}

.toast {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  pointer-events: auto;
}

.toast__action {
  flex: none;
  min-height: 44px;
  padding: 0 4px;
  color: var(--gold);
  font-weight: 700;
  text-decoration: underline;
}

/* Cart: states the backend reports ------------------------------------------------ */
.drawer.is-busy .qty__btn,
.drawer.is-busy .cart-line__remove,
.drawer.is-busy .cart-clear button {
  pointer-events: none;
  opacity: 0.55;
}

.cart-line--unavailable .cart-line__image,
.cart-line--unavailable .cart-line__name,
.cart-line--unavailable .cart-line__meta {
  opacity: 0.55;
}

.cart-line__flag {
  display: flex;
  align-items: flex-start;
  gap: 6px;
  margin-top: 2px;
  color: var(--brown-deep);
  font-size: var(--text-xs);
  font-weight: 700;
  line-height: 1.4;
}

.cart-line__flag--error {
  color: var(--danger);
}

.cart-line__flag .icon {
  flex: none;
  width: 14px;
  height: 14px;
  margin-top: 1px;
}

.cart-line__edit {
  color: var(--brown-deep);
  font-weight: 700;
  text-decoration: underline;
}

.cart-notice {
  display: flex;
  gap: 10px;
  margin-top: 14px;
  padding: 12px 14px;
  border-radius: var(--radius-md);
  background: rgba(198, 40, 40, 0.08);
  color: #8e1c1c;
  font-size: var(--text-sm);
  line-height: 1.5;
}

.cart-notice:focus {
  outline: none;
  box-shadow: var(--focus-ring);
}

.cart-notice .icon {
  flex: none;
  width: 18px;
  height: 18px;
  margin-top: 2px;
}

.cart-notice ul {
  margin: 4px 0 0;
  padding-left: 18px;
  list-style: disc;
}

.cart-notice p {
  margin-top: 6px;
}

.cart-clear {
  padding-top: 6px;
  text-align: right;
}

.cart-clear button {
  min-height: 44px;
  color: var(--muted);
  font-size: var(--text-xs);
  text-decoration: underline;
}

.cart-clear button:hover,
.cart-clear button[data-confirm] {
  color: var(--wine);
}

.btn[aria-busy="true"] {
  cursor: progress;
  opacity: 0.75;
}

/* Login / sign-up dialog (ui/auth-gate.js) ---------------------------------------
   Opens over the page when a visitor adds to the cart or opens the cart.
   The forms inside are styled by auth.css, which is loaded with the dialog. */
.auth-gate {
  position: fixed;
  inset: 0;
  z-index: calc(var(--z-drawer) + 10);
  display: grid;
  place-items: center;
  padding: 16px;
  overflow-y: auto;
  overscroll-behavior: contain;
  visibility: hidden;
  opacity: 0;
  transition:
    opacity var(--dur-base) var(--ease-out),
    visibility 0s linear var(--dur-base);
}

.auth-gate.is-open {
  visibility: visible;
  opacity: 1;
  transition-delay: 0s;
}

.auth-gate__panel {
  position: relative;
  width: min(100%, 480px);
  max-height: calc(100dvh - 32px);
  overflow-y: auto;
  border-radius: var(--radius-xl);
  background: var(--white);
  box-shadow: var(--shadow-overlay);
  transform: translateY(12px);
  transition: transform var(--dur-base) var(--ease-out);
}

.auth-gate.is-open .auth-gate__panel {
  transform: none;
}

.auth-gate__close {
  position: absolute;
  top: 8px;
  right: 8px;
  z-index: 1;
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  color: var(--umber);
  transition: background-color var(--dur-fast) var(--ease-out);
}

.auth-gate__close:hover {
  background: rgba(5, 8, 22, 0.08);
}

.auth-gate__notice {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 18px 60px 16px 24px;
  border-radius: var(--radius-xl) var(--radius-xl) 0 0;
  background: var(--cream);
  color: var(--umber);
  font-size: var(--text-sm);
  font-weight: 600;
  line-height: 1.5;
}

.auth-gate__notice .icon {
  flex: none;
  width: 20px;
  height: 20px;
  margin-top: 1px;
  color: var(--brown-deep);
}

.auth-gate__notice strong {
  color: var(--ink);
}

/* The card is the dialog itself here: no second box, no second shadow. */
.auth-gate__body .auth-card {
  width: 100%;
  padding: 20px 24px 24px;
  border-radius: 0;
  box-shadow: none;
}

@media (max-width: 480px) {
  .auth-gate {
    padding: 8px;
    place-items: end center;
  }

  .auth-gate__panel {
    max-height: calc(100dvh - 16px);
  }

  .auth-gate__notice {
    padding-left: 18px;
  }

  .auth-gate__body .auth-card {
    padding: 16px 18px 20px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .auth-gate,
  .auth-gate__panel {
    transition: none;
  }
}

/* The customer's own photos on a cart line */
.cart-line__photos {
  display: flex;
  align-items: flex-start;
  gap: 5px;
  color: var(--brown-deep);
  font-weight: 600;
}

.cart-line__photos .icon {
  flex: none;
  width: 13px;
  height: 13px;
  margin-top: 2px;
}

.cart-line__photos span {
  min-width: 0;
  overflow-wrap: anywhere;
}