/* Temu-style cart UX — fly-to-cart, badge pop, drawer, flame checkout */

.cart-fly-ghost {
  position: fixed;
  z-index: 12000;
  width: 72px;
  height: 72px;
  border-radius: 14px;
  overflow: hidden;
  pointer-events: none;
  box-shadow: 0 12px 28px rgba(0, 0, 0, 0.22);
  will-change: transform, opacity;
  background: #fff;
}

.cart-fly-ghost img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.cart-fly-ghost.is-flying {
  animation: cart-fly-arc 0.72s cubic-bezier(0.22, 0.82, 0.28, 1) forwards;
}

@keyframes cart-fly-arc {
  0% {
    opacity: 1;
    transform: translate(0, 0) scale(1) rotate(0deg);
  }
  55% {
    opacity: 1;
    transform: translate(var(--fly-mx), var(--fly-my)) scale(0.72) rotate(-12deg);
  }
  100% {
    opacity: 0.15;
    transform: translate(var(--fly-x), var(--fly-y)) scale(0.18) rotate(18deg);
  }
}

[data-cart-target].cart-icon-shake {
  animation: cart-icon-shake 0.55s ease;
}

@keyframes cart-icon-shake {
  0%,
  100% {
    transform: translateX(0) rotate(0);
  }
  15% {
    transform: translateX(-3px) rotate(-8deg);
  }
  30% {
    transform: translateX(3px) rotate(8deg);
  }
  45% {
    transform: translateX(-2px) rotate(-5deg);
  }
  60% {
    transform: translateX(2px) rotate(5deg);
  }
  75% {
    transform: translateX(-1px) rotate(-2deg);
  }
}

.nav-cart-badge,
.cart-fab-badge,
[data-cart-count] {
  transition: transform 0.2s ease;
}

.nav-cart-badge.is-pop,
.cart-fab-badge.is-pop,
[data-cart-count].is-pop {
  animation: cart-badge-pop 0.45s cubic-bezier(0.34, 1.56, 0.64, 1);
}

@keyframes cart-badge-pop {
  0% {
    transform: scale(0.4);
  }
  55% {
    transform: scale(1.35);
  }
  100% {
    transform: scale(1);
  }
}

.nav-item[data-cart-target] {
  position: relative;
}

.nav-cart-badge {
  position: absolute;
  top: 6px;
  right: 10px;
  min-width: 1.1rem;
  height: 1.1rem;
  padding: 0 0.28rem;
  border-radius: 999px;
  background: #ef4444;
  color: #fff;
  font-size: 0.65rem;
  font-weight: 800;
  line-height: 1.1rem;
  text-align: center;
  display: none;
  box-shadow: 0 0 0 2px var(--bg-primary, #fff);
}

.nav-cart-badge.is-on {
  display: inline-block;
}

.sidebar.collapsed .nav-cart-badge {
  right: 8px;
  top: 4px;
}

/* Floating cart (product detail / mobile target) */
.cart-fab {
  position: fixed;
  right: 1rem;
  bottom: calc(5.25rem + env(safe-area-inset-bottom, 0px));
  z-index: 950;
  width: 3.15rem;
  height: 3.15rem;
  border-radius: 50%;
  border: none;
  background: #fff;
  color: var(--primary, #046fad);
  box-shadow: 0 10px 28px rgba(4, 111, 173, 0.28), 0 0 0 1px rgba(4, 111, 173, 0.12);
  display: none;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-size: 1.35rem;
}

.cart-fab.is-visible {
  display: inline-flex;
}

.cart-fab-badge {
  position: absolute;
  top: -2px;
  right: -2px;
  min-width: 1.15rem;
  height: 1.15rem;
  padding: 0 0.28rem;
  border-radius: 999px;
  background: #ef4444;
  color: #fff;
  font-size: 0.68rem;
  font-weight: 800;
  line-height: 1.15rem;
  text-align: center;
  display: none;
}

.cart-fab-badge.is-on {
  display: inline-block;
}

@media (min-width: 901px) {
  .cart-fab {
    bottom: 1.5rem;
  }
}

/* Cart drawer modal */
.cart-drawer-overlay {
  position: fixed;
  inset: 0;
  z-index: 11000;
  background: rgba(15, 23, 42, 0.45);
  backdrop-filter: blur(3px);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.22s ease;
}

.cart-drawer-overlay.is-open {
  opacity: 1;
  pointer-events: auto;
}

.cart-drawer {
  position: absolute;
  right: 0;
  top: 0;
  bottom: 0;
  width: min(420px, 100%);
  background: var(--bg-primary, #fff);
  color: var(--text-primary, #111);
  box-shadow: -12px 0 40px rgba(0, 0, 0, 0.18);
  display: flex;
  flex-direction: column;
  transform: translateX(104%);
  transition: transform 0.32s cubic-bezier(0.22, 0.9, 0.28, 1);
}

.cart-drawer-overlay.is-open .cart-drawer {
  transform: translateX(0);
}

@media (max-width: 640px) {
  .cart-drawer {
    top: auto;
    left: 0;
    right: 0;
    width: 100%;
    max-height: min(88vh, 720px);
    border-radius: 18px 18px 0 0;
    transform: translateY(104%);
  }

  .cart-drawer-overlay.is-open .cart-drawer {
    transform: translateY(0);
  }
}

.cart-drawer-handle {
  width: 36px;
  height: 4px;
  border-radius: 99px;
  background: var(--border-light, #e5e7eb);
  margin: 0.55rem auto 0;
  display: none;
}

@media (max-width: 640px) {
  .cart-drawer-handle {
    display: block;
  }
}

.cart-drawer-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  padding: 0.95rem 1.1rem 0.7rem;
  border-bottom: 1px solid var(--border-light, #e5e7eb);
}

.cart-drawer-head h3 {
  margin: 0;
  font-size: 1.05rem;
  font-weight: 800;
  letter-spacing: -0.02em;
}

.cart-drawer-close {
  border: none;
  background: var(--bg-secondary, #f3f4f6);
  width: 2rem;
  height: 2rem;
  border-radius: 50%;
  font-size: 1.15rem;
  line-height: 1;
  cursor: pointer;
  color: var(--text-secondary, #6b7280);
}

.cart-drawer-body {
  flex: 1;
  overflow: auto;
  padding: 0.75rem 1rem 1rem;
  -webkit-overflow-scrolling: touch;
}

.cart-drawer-empty {
  text-align: center;
  padding: 2.5rem 1rem;
  color: var(--text-secondary, #6b7280);
}

.cart-drawer-item {
  display: grid;
  grid-template-columns: 64px minmax(0, 1fr);
  gap: 0.7rem;
  padding: 0.7rem 0;
  border-bottom: 1px solid var(--border-light, #f0f0f0);
  animation: cart-drawer-item-in 0.35s ease both;
}

.cart-drawer-item:nth-child(2) {
  animation-delay: 0.04s;
}
.cart-drawer-item:nth-child(3) {
  animation-delay: 0.08s;
}
.cart-drawer-item:nth-child(4) {
  animation-delay: 0.12s;
}

@keyframes cart-drawer-item-in {
  from {
    opacity: 0;
    transform: translateY(8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.cart-drawer-thumb {
  width: 64px;
  height: 64px;
  border-radius: 10px;
  object-fit: cover;
  background: var(--bg-secondary, #f3f4f6);
}

.cart-drawer-title {
  font-size: 0.88rem;
  font-weight: 650;
  line-height: 1.3;
  margin: 0 0 0.2rem;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.cart-drawer-meta {
  font-size: 0.72rem;
  color: var(--text-secondary, #6b7280);
  margin: 0 0 0.35rem;
}

.cart-drawer-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
}

.cart-drawer-price {
  font-weight: 750;
  color: var(--primary, #046fad);
  font-size: 0.9rem;
}

.cart-drawer-qty {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--text-secondary, #6b7280);
}

.cart-drawer-foot {
  padding: 0.85rem 1.1rem calc(0.95rem + env(safe-area-inset-bottom, 0px));
  border-top: 1px solid var(--border-light, #e5e7eb);
  background: var(--bg-primary, #fff);
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
}

.cart-drawer-total {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  font-size: 0.9rem;
}

.cart-drawer-total strong {
  font-size: 1.15rem;
  font-weight: 800;
  color: var(--text-primary, #111);
}

.cart-drawer-link {
  text-align: center;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--primary, #046fad);
  text-decoration: none;
}

/* Checkout CTA — theme primary, subtle pulse (not orange flame) */
.cart-checkout-btn {
  position: relative;
  overflow: hidden;
  width: 100%;
  border: none;
  border-radius: 14px;
  padding: 0.95rem 1rem;
  font-size: 1rem;
  font-weight: 800;
  letter-spacing: 0.01em;
  color: #fff;
  cursor: pointer;
  background: linear-gradient(
    110deg,
    var(--primary, #046fad) 0%,
    color-mix(in srgb, var(--primary, #046fad) 82%, #0a4d7a) 45%,
    var(--primary, #046fad) 100%
  );
  background-size: 180% 100%;
  animation: cart-checkout-shimmer 2.8s ease-in-out infinite;
  box-shadow: 0 10px 24px color-mix(in srgb, var(--primary, #046fad) 35%, transparent);
}

.cart-checkout-btn:disabled {
  opacity: 0.65;
  cursor: wait;
  animation-play-state: paused;
}

.cart-checkout-btn span {
  position: relative;
  z-index: 1;
}

.cart-checkout-btn:hover {
  filter: brightness(1.06);
}

@keyframes cart-checkout-shimmer {
  0%,
  100% {
    background-position: 0% 50%;
  }
  50% {
    background-position: 100% 50%;
  }
}

/* Back-compat alias */
.cart-flame-btn {
  position: relative;
  overflow: hidden;
  width: 100%;
  border: none;
  border-radius: 14px;
  padding: 0.95rem 1rem;
  font-size: 1rem;
  font-weight: 800;
  letter-spacing: 0.01em;
  color: #fff;
  cursor: pointer;
  background: linear-gradient(
    110deg,
    var(--primary, #046fad) 0%,
    color-mix(in srgb, var(--primary, #046fad) 82%, #0a4d7a) 45%,
    var(--primary, #046fad) 100%
  );
  background-size: 180% 100%;
  animation: cart-checkout-shimmer 2.8s ease-in-out infinite;
  box-shadow: 0 10px 24px color-mix(in srgb, var(--primary, #046fad) 35%, transparent);
}

.cart-drawer-added-pulse {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.78rem;
  font-weight: 700;
  color: #059669;
  margin: 0 0 0.55rem;
  animation: cart-added-in 0.4s ease;
}

@keyframes cart-added-in {
  from {
    opacity: 0;
    transform: translateY(-6px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}