/**
 * ================================================================
 * CHECKOUT PROFESIONAL - DISEÑO MODERNO Y LIMPIO
 * ================================================================
 * Optimizado para conversiones con diseño ultra profesional
 */

/* ================================================================
   VARIABLES Y TEMA
   ================================================================ */
:root {
  /* Colores base - Fondo blanco */
  --checkout-white: #ffffff;
  --checkout-bg: #fafafa;
  --checkout-surface: rgba(255, 255, 255, 0.98);

  /* Textos con contraste perfecto */
  --text-primary: #1a1a1a;
  --text-secondary: #6b7280;
  --text-tertiary: #9ca3af;
  --text-muted: #d1d5db;

  /* Sistema de colores naranja */
  --orange-primary: #ff7a00;
  --orange-secondary: #ff9500;
  --orange-dark: #e36800;
  --orange-light: #ffb84d;
  --orange-ultra-light: rgba(255, 122, 0, 0.08);

  /* Colores de estado */
  --color-success: #10b981;
  --color-success-light: rgba(16, 185, 129, 0.1);
  --color-error: #ef4444;
  --color-warning: #f59e0b;

  /* Gradientes naranja */
  --gradient-primary: linear-gradient(135deg, #ff7a00 0%, #ff9500 100%);
  --gradient-hover: linear-gradient(135deg, #e36800 0%, #ff7a00 100%);
  --gradient-subtle: linear-gradient(135deg, rgba(255, 122, 0, 0.05) 0%, rgba(255, 149, 0, 0.05) 100%);

  /* Sombras modernas */
  --shadow-xs: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-sm: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px -1px rgba(0, 0, 0, 0.1);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -2px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -4px rgba(0, 0, 0, 0.1);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.1);
  --shadow-orange: 0 8px 20px rgba(255, 122, 0, 0.25);
  --shadow-orange-lg: 0 12px 28px rgba(255, 122, 0, 0.3);

  /* Bordes y radios */
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 14px;
  --radius-xl: 18px;
  --radius-2xl: 22px;
  --radius-full: 9999px;

  /* Espaciado */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;

  /* Tipografía */
  --font-sans: 'Poppins', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu', 'Cantarell', 'Fira Sans', 'Droid Sans', 'Helvetica Neue', sans-serif;
  --font-weight-normal: 400;
  --font-weight-medium: 500;
  --font-weight-semibold: 600;
  --font-weight-bold: 700;
  --font-weight-extrabold: 800;

  /* Transiciones */
  --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-base: 200ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 300ms cubic-bezier(0.4, 0, 0.2, 1);
}

/* ================================================================
   RESET Y BASE
   ================================================================ */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

.page-checkout {
  background: var(--checkout-bg);
  min-height: 100vh;
  font-family: var(--font-sans);
  color: var(--text-primary);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* ================================================================
   CONTAINER PRINCIPAL
   ================================================================ */
.checkout-flow {
  max-width: 1280px;
  margin: 0 auto;
  padding: var(--space-6) var(--space-4);
}

@media (min-width: 1024px) {
  .checkout-flow {
    padding: var(--space-10) var(--space-8);
  }
}

/* ================================================================
   HEADER
   ================================================================ */
.checkout-hero {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-8);
  gap: var(--space-4);
}

.checkout-back {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: 0.5rem 1.25rem;
  background: var(--checkout-white);
  border: 1px solid rgba(0, 0, 0, 0.08);
  border-radius: var(--radius-full);
  color: var(--orange-primary);
  font-size: 0.875rem;
  font-weight: var(--font-weight-semibold);
  text-decoration: none;
  transition: all var(--transition-base);
  box-shadow: var(--shadow-sm);
}

.checkout-back::after {
  content: "←";
  font-size: 1.125rem;
  line-height: 1;
}

.checkout-back:hover {
  transform: translateX(-2px);
  border-color: var(--orange-primary);
  box-shadow: var(--shadow-md);
}

.checkout-title {
  font-size: clamp(1.5rem, 4vw, 2.25rem);
  font-weight: var(--font-weight-extrabold);
  color: var(--text-primary);
  letter-spacing: -0.02em;
  line-height: 1.2;
}

/* ================================================================
   LAYOUT CON GRID
   ================================================================ */
.checkout-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-6);
  align-items: start;
}

@media (min-width: 1024px) {
  .checkout-layout {
    grid-template-columns: 1fr minmax(380px, 420px);
    gap: var(--space-10);
  }
}

/* ================================================================
   FORMULARIO - LADO IZQUIERDO
   ================================================================ */
.checkout-panels {
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
}

/* ================================================================
   CARDS MODERNOS
   ================================================================ */
.checkout-card {
  background: var(--checkout-white);
  border: 1px solid rgba(0, 0, 0, 0.08);
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-slow);
}

.checkout-card:hover {
  box-shadow: var(--shadow-lg);
}

/* ================================================================
   CARD HEADER
   ================================================================ */
.checkout-card__header {
  display: flex;
  align-items: flex-start;
  gap: var(--space-4);
  padding: var(--space-6);
  border-bottom: 1px solid rgba(0, 0, 0, 0.06);
  background: var(--gradient-subtle);
}

.checkout-card__index {
  flex-shrink: 0;
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--gradient-primary);
  color: white;
  border-radius: var(--radius-md);
  font-size: 1.125rem;
  font-weight: var(--font-weight-bold);
  box-shadow: var(--shadow-orange);
}

.checkout-card__header h2 {
  font-size: 1.25rem;
  font-weight: var(--font-weight-bold);
  color: var(--text-primary);
  letter-spacing: -0.01em;
  line-height: 1.3;
  margin-bottom: 0.375rem;
}

.checkout-card__header p {
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.5;
  font-weight: var(--font-weight-normal);
}

.checkout-card__body {
  padding: var(--space-6);
}

/* ================================================================
   INPUTS MODERNOS
   ================================================================ */
.input-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-4);
}

@media (min-width: 640px) {
  .input-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .input-grid > label:first-child {
    grid-column: 1 / -1;
  }
}

label {
  display: block;
}

label > span:first-child {
  display: block;
  font-size: 0.8125rem;
  font-weight: var(--font-weight-semibold);
  color: var(--text-secondary);
  margin-bottom: 0.5rem;
  letter-spacing: -0.01em;
}

input[type="text"],
input[type="email"],
input[type="tel"],
textarea {
  width: 100%;
  padding: 0.75rem 1rem;
  font-size: 0.9375rem;
  font-family: var(--font-sans);
  color: var(--text-primary);
  background: var(--checkout-white);
  border: 1.5px solid rgba(0, 0, 0, 0.1);
  border-radius: var(--radius-md);
  transition: all var(--transition-base);
  outline: none;
  -webkit-appearance: none;
}

input::placeholder,
textarea::placeholder {
  color: var(--text-muted);
}

input:hover,
textarea:hover {
  border-color: rgba(255, 122, 0, 0.3);
}

input:focus,
textarea:focus {
  border-color: var(--orange-primary);
  box-shadow: 0 0 0 3px rgba(255, 122, 0, 0.1);
}

textarea {
  resize: vertical;
  min-height: 90px;
}

/* ================================================================
   SHIPPING OPTIONS
   ================================================================ */
.shipping-options {
  display: grid;
  gap: var(--space-3);
  margin-top: var(--space-5);
}

.shipping-option {
  position: relative;
  background: var(--checkout-white);
  border: 1.5px solid rgba(0, 0, 0, 0.08);
  border-radius: var(--radius-lg);
  padding: var(--space-4);
  cursor: pointer;
  transition: all var(--transition-base);
  display: flex;
  gap: var(--space-3);
  align-items: flex-start;
}

.shipping-option:hover {
  border-color: var(--orange-primary);
  box-shadow: 0 0 0 3px var(--orange-ultra-light);
}

.shipping-option input[type="radio"] {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
}

.shipping-option.is-selected {
  border-color: var(--orange-primary);
  background: var(--orange-ultra-light);
  box-shadow: 0 0 0 3px rgba(255, 122, 0, 0.08);
}

.shipping-option__icon {
  flex-shrink: 0;
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255, 122, 0, 0.1);
  color: var(--orange-primary);
  border-radius: var(--radius-md);
  transition: all var(--transition-base);
}

.shipping-option.is-selected .shipping-option__icon {
  background: var(--gradient-primary);
  color: white;
  box-shadow: var(--shadow-orange);
}

.shipping-option__content {
  flex: 1;
  min-width: 0;
}

.shipping-option__header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.375rem;
  gap: var(--space-3);
}

.shipping-option__header strong {
  font-size: 0.9375rem;
  font-weight: var(--font-weight-semibold);
  color: var(--text-primary);
  flex: 1;
}

.shipping-option__price {
  font-size: 0.875rem;
  font-weight: var(--font-weight-bold);
  color: var(--text-primary);
  padding: 0.25rem 0.75rem;
  background: rgba(255, 122, 0, 0.1);
  border-radius: var(--radius-full);
  white-space: nowrap;
}

.shipping-option__price.is-free {
  background: var(--color-success-light);
  color: var(--color-success);
}

.shipping-option .option-meta {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: 0.8125rem;
  color: var(--text-secondary);
  line-height: 1.4;
}

.shipping-option em {
  display: block;
  font-size: 0.75rem;
  color: var(--text-tertiary);
  font-style: normal;
  line-height: 1.4;
  margin-top: 0.375rem;
}

/* Placeholder para Correo Argentino */
.shipping-option--placeholder {
  cursor: pointer;
  background: linear-gradient(135deg, rgba(255, 122, 0, 0.04) 0%, rgba(255, 149, 0, 0.06) 100%);
  border: 2px dashed rgba(255, 122, 0, 0.3);
  position: relative;
  overflow: hidden;
  transition: all var(--transition-base);
}

.shipping-option--placeholder::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 122, 0, 0.1), transparent);
  transition: left 0.6s ease;
}

.shipping-option--placeholder:hover::before {
  left: 100%;
}

.shipping-option--placeholder:hover {
  border-color: var(--orange-primary);
  background: linear-gradient(135deg, rgba(255, 122, 0, 0.08) 0%, rgba(255, 149, 0, 0.1) 100%);
  box-shadow: 0 4px 12px rgba(255, 122, 0, 0.15);
  transform: translateY(-2px);
}

.shipping-option--placeholder:active {
  transform: translateY(0);
  box-shadow: 0 2px 6px rgba(255, 122, 0, 0.1);
}

.shipping-option__badge {
  display: inline-flex;
  align-items: center;
  padding: 0.375rem 0.875rem;
  background: var(--gradient-primary);
  color: white;
  font-size: 0.75rem;
  font-weight: var(--font-weight-semibold);
  border-radius: var(--radius-full);
  white-space: nowrap;
  box-shadow: 0 2px 8px rgba(255, 122, 0, 0.25);
  animation: pulse-badge 2s ease-in-out infinite;
}

@keyframes pulse-badge {
  0%, 100% {
    box-shadow: 0 2px 8px rgba(255, 122, 0, 0.25);
  }
  50% {
    box-shadow: 0 4px 12px rgba(255, 122, 0, 0.4);
  }
}

.shipping-option__arrow {
  flex-shrink: 0;
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--orange-primary);
  transition: transform var(--transition-base);
}

.shipping-option--placeholder:hover .shipping-option__arrow {
  transform: translateY(3px);
  animation: bounce-arrow 1s ease-in-out infinite;
}

@keyframes bounce-arrow {
  0%, 100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(5px);
  }
}

.shipping-option--correo {
  border-color: var(--orange-primary);
  background: var(--orange-ultra-light);
}

/* ================================================================
   PAYMENT METHODS
   ================================================================ */
.payment-methods {
  display: grid;
  gap: var(--space-3);
  margin-top: var(--space-5);
}

.payment-card {
  position: relative;
  background: var(--checkout-white);
  border: 1.5px solid rgba(0, 0, 0, 0.08);
  border-radius: var(--radius-lg);
  cursor: pointer;
  transition: all var(--transition-base);
  overflow: hidden;
}

.payment-card:hover {
  border-color: var(--orange-primary);
  box-shadow: 0 0 0 3px var(--orange-ultra-light);
}

.payment-card.is-active {
  border-color: var(--orange-primary);
  background: var(--orange-ultra-light);
  box-shadow: 0 0 0 3px rgba(255, 122, 0, 0.08);
}

.payment-card input[type="radio"] {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
}

.payment-card label {
  display: flex;
  gap: var(--space-3);
  align-items: center;
  cursor: pointer;
  margin: 0;
  padding: var(--space-4);
}

.payment-card__icon {
  flex-shrink: 0;
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--gradient-primary);
  color: white;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-orange);
  transition: all var(--transition-base);
}

.payment-card:hover .payment-card__icon {
  transform: scale(1.05);
  box-shadow: var(--shadow-orange-lg);
}

.payment-card[data-payment-option="transfer"] .payment-card__icon {
  background: linear-gradient(135deg, #10b981 0%, #059669 100%);
  box-shadow: 0 8px 20px rgba(16, 185, 129, 0.25);
}

.payment-card[data-payment-option="cash"] .payment-card__icon {
  background: var(--gradient-primary);
}

.payment-card__title {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  flex-wrap: wrap;
  font-size: 1rem;
  font-weight: var(--font-weight-semibold);
  color: var(--text-primary);
  margin-bottom: 0.25rem;
}

.payment-card__discount {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.125rem 0.5rem;
  background: linear-gradient(135deg, #10b981 0%, #059669 100%);
  color: white;
  font-size: 0.6875rem;
  font-weight: var(--font-weight-bold);
  border-radius: var(--radius-full);
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.payment-card__desc {
  display: block;
  font-size: 0.8125rem;
  color: var(--text-secondary);
  line-height: 1.5;
}

/* ================================================================
   ALERTS
   ================================================================ */
.payment-alert {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  padding: var(--space-3);
  margin: var(--space-3) var(--space-4);
  border-radius: var(--radius-md);
  font-size: 0.8125rem;
  line-height: 1.5;
  border: 1px solid;
}

.payment-alert svg {
  flex-shrink: 0;
  margin-top: 2px;
}

.payment-alert--success {
  background: var(--color-success-light);
  color: #065f46;
  border-color: rgba(16, 185, 129, 0.2);
}

.payment-alert--success svg {
  color: var(--color-success);
}

.payment-alert--info {
  background: var(--orange-ultra-light);
  color: #92400e;
  border-color: rgba(255, 122, 0, 0.2);
}

.payment-alert--info svg {
  color: var(--orange-primary);
}

.payment-alert strong {
  display: block;
  font-weight: var(--font-weight-semibold);
  margin-bottom: 0.125rem;
}

.payment-alert p {
  margin: 0;
}

/* ================================================================
   BOTONES COMPACTOS Y PROFESIONALES
   ================================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: 0.625rem 1.5rem;
  font-size: 0.9375rem;
  font-weight: var(--font-weight-semibold);
  font-family: var(--font-sans);
  border-radius: var(--radius-md);
  border: none;
  cursor: pointer;
  transition: all var(--transition-base);
  text-decoration: none;
  letter-spacing: -0.01em;
  position: relative;
  overflow: hidden;
}

.btn-primary {
  background: var(--gradient-primary);
  color: white;
  box-shadow: var(--shadow-orange);
}

.btn-primary:hover:not(:disabled) {
  background: var(--gradient-hover);
  transform: translateY(-1px);
  box-shadow: var(--shadow-orange-lg);
}

.btn-primary:active:not(:disabled) {
  transform: translateY(0);
}

.btn-primary:disabled {
  background: linear-gradient(135deg, #d4d4d4 0%, #a3a3a3 100%);
  color: #737373;
  cursor: not-allowed;
  opacity: 0.6;
  transform: none;
  box-shadow: none;
}

.btn-block {
  width: 100%;
  margin-top: var(--space-5);
}

.btn-outline {
  background: var(--checkout-white);
  color: var(--orange-primary);
  border: 1.5px solid rgba(255, 122, 0, 0.3);
  box-shadow: var(--shadow-xs);
}

.btn-outline:hover:not(:disabled) {
  background: var(--orange-ultra-light);
  border-color: var(--orange-primary);
  box-shadow: var(--shadow-sm);
}

/* ================================================================
   BOTÓN FINALIZAR COMPRA
   ================================================================ */
.btn-checkout-final {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.875rem 1.75rem;
}

.btn-checkout-final__text {
  flex: 1;
  text-align: center;
  font-weight: var(--font-weight-semibold);
  font-size: 1rem;
}

.btn-checkout-final svg {
  flex-shrink: 0;
  margin-left: var(--space-2);
  transition: transform var(--transition-base);
}

.btn-checkout-final:hover:not(:disabled) svg {
  transform: translateX(3px);
}

/* ================================================================
   DISCOUNT FIELD
   ================================================================ */
.discount-field {
  margin-top: var(--space-5);
}

.discount-field > span {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: 0.8125rem;
  font-weight: var(--font-weight-semibold);
  color: var(--text-secondary);
  margin-bottom: 0.625rem;
}

.discount-field > span svg {
  color: var(--orange-primary);
}

.discount-field__control {
  display: flex;
  gap: var(--space-2);
}

.discount-field__control input {
  flex: 1;
}

.discount-field__message {
  display: block;
  margin-top: 0.5rem;
  font-size: 0.8125rem;
  color: var(--text-secondary);
}

/* ================================================================
   CHECKOUT SUMMARY - SIDEBAR PROFESIONAL
   ================================================================ */
.checkout-summary {
  position: sticky;
  top: var(--space-6);
  background: var(--checkout-white);
  border: 1px solid rgba(0, 0, 0, 0.08);
  border-radius: var(--radius-xl);
  padding: var(--space-6);
  box-shadow: var(--shadow-lg);
  height: fit-content;
}

.summary-header {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-bottom: var(--space-5);
  padding-bottom: var(--space-4);
  border-bottom: 1px solid rgba(0, 0, 0, 0.06);
}

.summary-header__icon {
  color: var(--orange-primary);
}

.summary-header h2 {
  font-size: 1.25rem;
  font-weight: var(--font-weight-bold);
  color: var(--text-primary);
  letter-spacing: -0.01em;
}

/* ================================================================
   PRODUCT CARDS EN RESUMEN
   ================================================================ */
.summary-products {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  margin-bottom: var(--space-5);
  max-height: 400px;
  overflow-y: auto;
  padding-right: 0.5rem;
}

/* Scrollbar personalizado */
.summary-products::-webkit-scrollbar {
  width: 6px;
}

.summary-products::-webkit-scrollbar-track {
  background: rgba(0, 0, 0, 0.05);
  border-radius: var(--radius-full);
}

.summary-products::-webkit-scrollbar-thumb {
  background: rgba(255, 122, 0, 0.3);
  border-radius: var(--radius-full);
}

.summary-products::-webkit-scrollbar-thumb:hover {
  background: rgba(255, 122, 0, 0.5);
}

.summary-product-card {
  display: flex;
  gap: var(--space-3);
  padding: var(--space-3);
  background: var(--gradient-subtle);
  border-radius: var(--radius-md);
  border: 1px solid rgba(255, 122, 0, 0.12);
  transition: all var(--transition-base);
}

.summary-product-card:hover {
  transform: translateX(2px);
  box-shadow: var(--shadow-sm);
  border-color: rgba(255, 122, 0, 0.2);
}

.summary-product-card__image {
  position: relative;
  flex-shrink: 0;
  width: 70px;
  height: 70px;
  border-radius: var(--radius-md);
  overflow: hidden;
  background: white;
  box-shadow: var(--shadow-xs);
}

.summary-product-card__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.summary-product-card__info {
  flex: 1;
  min-width: 0;
}

.summary-product-card__title {
  font-size: 0.875rem;
  font-weight: var(--font-weight-semibold);
  color: var(--text-primary);
  margin-bottom: 0.25rem;
  line-height: 1.3;
  overflow: hidden;
  text-overflow: ellipsis;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
}

.summary-product-card__variant {
  font-size: 0.75rem;
  color: var(--text-secondary);
  margin-bottom: 0.375rem;
  font-weight: var(--font-weight-medium);
}

.summary-product-card__attrs {
  display: flex;
  flex-wrap: wrap;
  gap: 0.25rem;
  margin-bottom: 0.375rem;
}

.attr-tag {
  display: inline-flex;
  align-items: center;
  padding: 0.125rem 0.375rem;
  background: rgba(255, 122, 0, 0.15);
  color: var(--orange-dark);
  font-size: 0.625rem;
  font-weight: var(--font-weight-semibold);
  border-radius: var(--radius-sm);
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.summary-product-card__price {
  font-size: 0.9375rem;
  font-weight: var(--font-weight-bold);
  color: var(--text-primary);
}

.summary-sep {
  border: none;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(0, 0, 0, 0.1), transparent);
  margin: var(--space-5) 0;
}

.checkout-summary dl > div {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.625rem 0;
  font-size: 0.875rem;
}

.checkout-summary dt {
  color: var(--text-secondary);
  font-weight: var(--font-weight-medium);
}

.checkout-summary dd {
  color: var(--text-primary);
  font-weight: var(--font-weight-semibold);
}

.summary-discount {
  color: var(--color-success) !important;
}

.summary-discount dd {
  color: var(--color-success) !important;
}

.checkout-total {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-5);
  margin-top: var(--space-4);
  background: var(--gradient-subtle);
  border-radius: var(--radius-lg);
  border: 1px solid rgba(255, 122, 0, 0.15);
}

.checkout-total span {
  font-size: 1rem;
  font-weight: var(--font-weight-semibold);
  color: var(--text-secondary);
}

.checkout-total strong {
  font-size: 1.875rem;
  font-weight: var(--font-weight-extrabold);
  color: var(--orange-primary);
  letter-spacing: -0.02em;
}

/* ================================================================
   SECURITY BADGE
   ================================================================ */
.security-badge {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-3);
  margin-top: var(--space-4);
  background: var(--color-success-light);
  border-radius: var(--radius-md);
  border: 1px solid rgba(16, 185, 129, 0.15);
}

.security-badge svg {
  flex-shrink: 0;
  color: var(--color-success);
}

.security-badge p {
  font-size: 0.75rem;
  color: var(--text-secondary);
  line-height: 1.4;
  margin: 0;
}

/* ================================================================
   PAYMENT PROCESSING MODAL
   ================================================================ */
.payment-processing {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(12px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-slow);
}

.payment-processing[aria-hidden="false"] {
  opacity: 1;
  visibility: visible;
}

.payment-processing__content {
  background: var(--checkout-white);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  max-width: 460px;
  width: 90%;
  box-shadow: var(--shadow-xl);
  position: relative;
  transform: scale(0.95);
  transition: transform var(--transition-slow);
}

.payment-processing[aria-hidden="false"] .payment-processing__content {
  transform: scale(1);
}

.payment-processing__close {
  position: absolute;
  top: var(--space-3);
  right: var(--space-3);
  background: transparent;
  border: none;
  font-size: 1.75rem;
  color: var(--text-tertiary);
  cursor: pointer;
  padding: var(--space-2);
  line-height: 1;
  transition: color var(--transition-base);
  border-radius: var(--radius-md);
}

.payment-processing__close:hover {
  color: var(--text-primary);
  background: rgba(0, 0, 0, 0.05);
}

.payment-processing__icon {
  width: 70px;
  height: 70px;
  margin: 0 auto var(--space-5);
  position: relative;
}

.spinner {
  width: 70px;
  height: 70px;
  border: 3px solid rgba(255, 122, 0, 0.15);
  border-top-color: var(--orange-primary);
  border-radius: var(--radius-full);
  animation: spin 1s linear infinite;
  position: absolute;
  top: 0;
  left: 0;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

.processing-check {
  display: none;
  width: 70px;
  height: 70px;
  color: var(--color-success);
  position: absolute;
  top: 0;
  left: 0;
}

.payment-processing[data-state="success"] .spinner {
  display: none;
}

.payment-processing[data-state="success"] .processing-check {
  display: block;
  animation: checkPop 0.4s ease-out;
}

@keyframes checkPop {
  0% {
    transform: scale(0);
    opacity: 0;
  }
  50% {
    transform: scale(1.1);
  }
  100% {
    transform: scale(1);
    opacity: 1;
  }
}

.payment-processing__text {
  text-align: center;
}

.processing-title {
  font-size: 1.375rem;
  font-weight: var(--font-weight-bold);
  color: var(--text-primary);
  margin-bottom: var(--space-2);
}

.processing-subtitle {
  font-size: 0.875rem;
  color: var(--text-secondary);
}

.payment-processing__details {
  margin-top: var(--space-5);
  padding-top: var(--space-5);
  border-top: 1px solid rgba(0, 0, 0, 0.1);
  text-align: left;
}
.payment-processing__copy {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  width: 100%;
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius-md);
  border: 1px solid rgba(0, 0, 0, 0.1);
  background: var(--checkout-white);
  color: var(--text-primary);
  font-weight: var(--font-weight-semibold);
  font-size: 0.9375rem;
  margin-top: var(--space-4);
  transition: all var(--transition-base);
}
.payment-processing__copy:hover {
  border-color: var(--orange-primary);
  color: var(--orange-primary);
}
.payment-processing__copy-icon {
  width: 20px;
  height: 20px;
  display: inline-flex;
}
.payment-processing__copy-icon svg {
  width: 20px;
  height: 20px;
}
.payment-processing__copy.is-copied {
  border-color: var(--color-success);
  color: var(--color-success);
  background: var(--color-success-light);
}

.payment-processing__whatsapp {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: 0.75rem 1.5rem;
  background: #25d366;
  color: white;
  text-decoration: none;
  border-radius: var(--radius-md);
  font-weight: var(--font-weight-semibold);
  font-size: 0.9375rem;
  transition: all var(--transition-base);
  margin-top: var(--space-5);
  box-shadow: 0 8px 20px rgba(37, 211, 102, 0.25);
  width: 100%;
  justify-content: center;
}

.payment-processing__whatsapp:hover {
  background: #1ebe5d;
  transform: translateY(-1px);
  box-shadow: 0 12px 28px rgba(37, 211, 102, 0.3);
}

.payment-processing__whatsapp-icon {
  width: 20px;
  height: 20px;
}

/* ================================================================
   PICKUP INFO Y SHIPPING NOTE
   ================================================================ */
.pickup-info,
.shipping-note {
  margin-top: var(--space-5);
  padding: var(--space-4);
  background: var(--orange-ultra-light);
  border-radius: var(--radius-md);
  border: 1px solid rgba(255, 122, 0, 0.15);
}

.pickup-info p {
  font-size: 0.875rem;
  color: var(--text-primary);
  line-height: 1.5;
  margin-bottom: var(--space-2);
}

.pickup-info p:last-child {
  margin-bottom: 0;
}

.shipping-note__label > span {
  display: block;
  font-size: 0.875rem;
  font-weight: var(--font-weight-semibold);
  color: var(--text-primary);
  margin-bottom: 0.625rem;
}

.shipping-note__hint {
  font-size: 0.75rem;
  color: var(--text-secondary);
  margin-top: 0.5rem;
  line-height: 1.4;
}

.payment-method__hint {
  display: block;
  font-size: 0.75rem;
  color: var(--text-secondary);
  margin-top: 0.75rem;
}

/* ================================================================
   EXTRAS
   ================================================================ */
.checkout-card__extras {
  margin-top: var(--space-5);
}

.payment-amount {
  margin-bottom: var(--space-4);
}

/* ================================================================
   UTILIDADES
   ================================================================ */
.is-hidden {
  display: none !important;
}

[hidden] {
  display: none !important;
}

/* ================================================================
   RESPONSIVE - MOBILE ULTRA PRO
   ================================================================ */
@media (max-width: 1024px) {
  .checkout-summary {
    position: static;
    margin-top: 0;
    order: -1;
  }

  .checkout-layout {
    display: flex;
    flex-direction: column-reverse;
  }
}

@media (max-width: 768px) {
  .checkout-flow {
    padding: var(--space-5) var(--space-3);
  }

  .checkout-hero {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-3);
    margin-bottom: var(--space-6);
  }

  .checkout-title {
    font-size: 1.625rem;
  }

  .checkout-card__header,
  .checkout-card__body,
  .checkout-summary {
    padding: var(--space-5);
  }

  .checkout-card__index {
    width: 40px;
    height: 40px;
    font-size: 1rem;
  }

  .checkout-card__header h2 {
    font-size: 1.125rem;
  }

  .checkout-card__header p {
    font-size: 0.8125rem;
  }

  .payment-card__icon,
  .shipping-option__icon {
    width: 44px;
    height: 44px;
  }

  .summary-product-card__image {
    width: 60px;
    height: 60px;
  }

  .summary-products {
    max-height: 300px;
  }

  .checkout-total strong {
    font-size: 1.625rem;
  }

  .input-grid {
    grid-template-columns: 1fr !important;
  }

  .payment-processing__content {
    padding: var(--space-6);
  }

  .btn {
    padding: 0.625rem 1.25rem;
    font-size: 0.875rem;
  }

  .btn-checkout-final {
    padding: 0.75rem 1.25rem;
  }

  .btn-checkout-final__text {
    font-size: 0.9375rem;
  }
}

@media (max-width: 480px) {
  .checkout-flow {
    padding: var(--space-4) var(--space-2);
  }

  .checkout-title {
    font-size: 1.375rem;
  }

  .checkout-back {
    padding: 0.5rem 1rem;
    font-size: 0.8125rem;
  }

  .checkout-card__header,
  .checkout-card__body,
  .checkout-summary {
    padding: var(--space-4);
  }

  .checkout-card__index {
    width: 36px;
    height: 36px;
    font-size: 0.9375rem;
  }

  .payment-card__icon,
  .shipping-option__icon {
    width: 40px;
    height: 40px;
  }

  .summary-product-card__image {
    width: 54px;
    height: 54px;
  }

  .checkout-total strong {
    font-size: 1.375rem;
  }

  .btn {
    padding: 0.625rem 1rem;
    font-size: 0.8125rem;
  }

  .btn-checkout-final {
    padding: 0.625rem 1rem;
  }

  .btn-checkout-final__text {
    font-size: 0.875rem;
  }

  .summary-header h2 {
    font-size: 1.125rem;
  }
}

/* ================================================================
   ACCESIBILIDAD
   ================================================================ */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

*:focus-visible {
  outline: 2px solid var(--orange-primary);
  outline-offset: 3px;
  border-radius: 4px;
}

/* ================================================================
   SHIPPING NOTICE Y BOTÓN
   ================================================================ */
.shipping-method-notice {
  margin: 1.5rem 0;
  padding: 1.25rem;
  background: linear-gradient(135deg, rgba(11, 132, 132, 0.05) 0%, rgba(10, 112, 112, 0.05) 100%);
  border: 1px solid rgba(11, 132, 132, 0.15);
  border-radius: var(--radius-lg);
}

.shipping-method-notice-content {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
}

.shipping-method-notice-content svg {
  flex-shrink: 0;
  margin-top: 0.125rem;
}

.shipping-method-notice-content div {
  flex: 1;
}

.shipping-method-notice-content strong {
  display: block;
  font-size: 1rem;
  font-weight: var(--font-weight-semibold);
  color: var(--text-primary);
  margin-bottom: 0.375rem;
}

.shipping-method-notice-content p {
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.5;
  margin: 0;
}

#calculate-shipping-button {
  margin-top: 1rem;
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-weight: var(--font-weight-semibold);
}

#calculate-shipping-button svg {
  flex-shrink: 0;
}