/* ==========================================================================
   DRAWER DE CARRITO DE COMPRAS Y CHECKOUT WHATSAPP
   ========================================================================== */

.cart-drawer-backdrop {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(15, 23, 42, 0.65);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  z-index: var(--z-drawer);
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-normal), visibility var(--transition-normal);
  display: flex;
  justify-content: flex-end; /* Drawer lateral */
}

.cart-drawer-backdrop.open {
  opacity: 1;
  visibility: visible;
}

.cart-drawer {
  background-color: var(--color-surface);
  backdrop-filter: var(--glass-blur-heavy);
  -webkit-backdrop-filter: var(--glass-blur-heavy);
  width: 100%;
  max-width: 460px;
  height: 100%;
  display: flex;
  flex-direction: column;
  transform: translateX(100%);
  transition: transform var(--transition-normal);
  box-shadow: var(--shadow-lg);
  border-left: 1px solid var(--color-border);
}

[data-theme="light"] .cart-drawer {
  background-color: #FFFFFF;
  border-left-color: #E2E8F0;
}

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

/* ==========================================================================
   HEADER DEL CARRITO
   ========================================================================== */
.cart-header {
  padding: 20px 24px;
  border-bottom: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-shrink: 0;
}

@keyframes cart-bounce {
  0% { transform: scale(1); }
  50% { transform: scale(1.15); }
  100% { transform: scale(1); }
}

.cart-bounce-anim {
  animation: cart-bounce 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.cart-header-title {
  display: flex;
  align-items: center;
  gap: 8px;
}

.cart-header-title h2 {
  font-size: 1.2rem;
  color: var(--color-text-main);
}

.cart-count-badge {
  background-color: var(--color-surface-hover);
  color: var(--color-text-muted);
  border: 1px solid var(--color-border);
  padding: 2px 8px;
  border-radius: var(--radius-full);
  font-size: 0.8rem;
  font-weight: 700;
}

.cart-header-actions {
  display: flex;
  align-items: center;
  gap: 8px;
}

.btn-clear-cart {
  font-size: 0.78rem;
  color: var(--color-danger);
  font-weight: 600;
  padding: 6px 10px;
  border-radius: var(--radius-sm);
}

.btn-clear-cart:hover {
  background-color: var(--color-danger-bg);
}

/* ==========================================================================
   CONTENIDO SCROLLEABLE DEL CARRITO
   ========================================================================== */
.cart-content {
  flex-grow: 1;
  overflow-y: auto;
  padding: 16px 20px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

/* LISTA DE ITEMS */
.cart-items-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.cart-item {
  display: flex;
  gap: 12px;
  padding: 12px;
  border-radius: var(--radius-md);
  background-color: var(--color-bg);
  border: 1px solid var(--color-border);
  position: relative;
}

.cart-item-img {
  width: 64px;
  height: 64px;
  border-radius: var(--radius-sm);
  object-fit: cover;
  background-color: #E2E8F0;
  flex-shrink: 0;
}

.cart-item-info {
  display: flex;
  flex-direction: column;
  flex-grow: 1;
  gap: 4px;
}

.cart-item-title {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--color-text-main);
  padding-right: 20px;
  line-height: 1.2;
}

.cart-item-variants {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  font-size: 0.75rem;
  color: var(--color-text-muted);
}

.variant-tag {
  background-color: var(--color-surface);
  padding: 1px 6px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border);
}

.cart-item-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 6px;
}

.cart-item-price {
  font-weight: 700;
  font-size: 0.95rem;
  color: var(--color-primary);
  font-family: var(--font-display);
}

.cart-item-qty {
  display: flex;
  align-items: center;
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  overflow: hidden;
}

.btn-cart-qty {
  width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--color-text-main);
}

.cart-qty-num {
  min-width: 24px;
  text-align: center;
  font-size: 0.85rem;
  font-weight: 600;
}

.btn-remove-item {
  position: absolute;
  top: 8px;
  right: 8px;
  width: 24px;
  height: 24px;
  color: var(--color-text-subtle);
  border-radius: 50%;
}

.btn-remove-item:hover {
  color: var(--color-danger);
  background-color: var(--color-danger-bg);
}

/* ==========================================================================
   FORMULARIO MÍNIMO DEL CLIENTE
   ========================================================================== */
.checkout-section {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding-top: 12px;
  border-top: 1px solid var(--color-border);
}

.checkout-section-title {
  font-size: 0.88rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--color-text-main);
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-label {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--color-text-muted);
}

/* OPCIONES DE ENTREGA */
.delivery-options-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
}

.delivery-radio-card {
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 10px;
  cursor: pointer;
  display: flex;
  flex-direction: column;
  gap: 2px;
  transition: all var(--transition-fast);
  background-color: var(--color-surface);
}

.delivery-radio-card.selected {
  border-color: var(--color-primary);
  background-color: var(--color-surface-hover);
  box-shadow: var(--shadow-xs);
}

[data-theme="light"] .delivery-radio-card.selected {
  background-color: #F1F5F9;
  border-color: #0F172A;
}

.delivery-radio-card strong {
  font-size: 0.85rem;
  color: var(--color-text-main);
}

.delivery-radio-card span {
  font-size: 0.75rem;
  color: var(--color-text-muted);
}

#delivery-address-container {
  display: none;
  animation: fade-down 0.25s ease forwards;
}

#delivery-address-container.visible {
  display: flex;
}

@keyframes fade-down {
  from { opacity: 0; transform: translateY(-8px); }
  to { opacity: 1; transform: translateY(0); }
}

/* OPCIONES DE PAGO */
.payment-options-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
}

.payment-radio-card {
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 10px;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.85rem;
  font-weight: 600;
  background-color: var(--color-surface);
  transition: all var(--transition-fast);
}

.payment-radio-card.selected {
  border-color: var(--color-primary);
  background-color: var(--color-surface-hover);
}

[data-theme="light"] .payment-radio-card.selected {
  background-color: #F1F5F9;
  border-color: #0F172A;
}

.bank-info-card {
  display: none;
  background-color: var(--color-surface-hover);
  border: 1px dashed var(--color-border);
  border-radius: var(--radius-md);
  padding: 12px;
  font-size: 0.82rem;
  gap: 4px;
  flex-direction: column;
}

[data-theme="light"] .bank-info-card {
  background-color: #F8FAFC;
  border-color: #CBD5E1;
}

.bank-info-card.visible {
  display: flex;
}

/* ==========================================================================
   RESUMEN DE TOTALES Y BOTÓN WHATSAPP FIJO
   ========================================================================== */
.cart-footer {
  padding: 16px 20px;
  border-top: 1px solid var(--color-border);
  background-color: transparent;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.cart-totals-breakdown {
  display: flex;
  flex-direction: column;
  gap: 6px;
  font-size: 0.88rem;
}

.totals-row {
  display: flex;
  justify-content: space-between;
  color: var(--color-text-muted);
}

.totals-row.total-final {
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--color-text-main);
  border-top: 1px solid var(--color-border);
  padding-top: 6px;
}

.totals-row.total-final span:last-child {
  font-family: var(--font-display);
  color: var(--color-primary);
}

.btn-send-whatsapp {
  width: 100%;
  height: 54px;
  border-radius: var(--radius-md);
  font-size: 1.05rem;
  font-weight: 800;
  letter-spacing: 0.01em;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
}

.cart-footer-note {
  font-size: 0.75rem;
  text-align: center;
  color: var(--color-text-subtle);
}

/* ESTADO CARRITO VACÍO */
.cart-empty-view {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 60px 20px;
  height: 100%;
  gap: 12px;
}

.cart-empty-icon {
  width: 64px;
  height: 64px;
  color: var(--color-text-subtle);
}

/* ==========================================================================
   MICRO-ANIMACIONES PARA CARRITO (+ / - / SUBIR Y BAJAR CANTIDAD)
   ========================================================================== */
@keyframes qtyBump {
  0% { transform: scale(1); }
  50% { transform: scale(1.4); color: var(--color-primary); }
  100% { transform: scale(1); }
}

@keyframes pricePop {
  0% { transform: scale(1); opacity: 0.8; }
  50% { transform: scale(1.12); color: var(--color-primary); opacity: 1; }
  100% { transform: scale(1); opacity: 1; }
}

@keyframes itemPulse {
  0% { transform: scale(1); }
  50% { transform: scale(1.02); }
  100% { transform: scale(1); }
}

@keyframes subtotalPulse {
  0% { transform: scale(1); }
  50% { transform: scale(1.15); color: var(--color-primary); }
  100% { transform: scale(1); }
}

@keyframes badgePop {
  0% { transform: scale(1); }
  40% { transform: scale(1.4) rotate(-10deg); }
  70% { transform: scale(0.92) rotate(6deg); }
  100% { transform: scale(1) rotate(0deg); }
}

.qty-bump {
  animation: qtyBump 0.28s cubic-bezier(0.34, 1.56, 0.64, 1) forwards;
}

.price-pop {
  animation: pricePop 0.28s ease-out forwards;
}

.item-pulse {
  animation: itemPulse 0.28s ease-out forwards;
}

.subtotal-pulse {
  animation: subtotalPulse 0.32s cubic-bezier(0.34, 1.56, 0.64, 1) forwards;
}

.badge-pop {
  animation: badgePop 0.35s cubic-bezier(0.34, 1.56, 0.64, 1) forwards;
}

.cart-item-removing {
  opacity: 0;
  transform: translateX(40px);
  transition: all 0.22s ease-out;
}