/* ============================================
   CHECKOUT - ALLSTYLO
   100% MOBILE FIRST
   ============================================ */

:root {
  --checkout-padding: 16px;
  --checkout-radius: 12px;
  --checkout-gap: 16px;
}

/* ========== CONTENEDOR PRINCIPAL ========== */
.checkout-container {
  padding: 12px 12px calc(100px + var(--safe-bottom));
  max-width: 100%;
  margin: 0 auto;
}

.checkout-container h1 {
  font-size: 1.4rem;
  font-weight: 800;
  margin-bottom: 16px;
  background: linear-gradient(135deg, #fff 0%, var(--accent-gold) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  padding: 0 4px;
}

/* ========== MENSAJE ========== */
.checkout-message {
  padding: 12px 14px;
  border-radius: var(--radius-sm);
  margin-bottom: 14px;
  font-weight: 500;
  font-size: 0.85rem;
  display: none;
  animation: fadeIn 0.3s ease;
}

.checkout-message.error {
  display: block;
  background: rgba(255, 68, 68, 0.12);
  border: 1px solid #ff4444;
  color: #ff4444;
}

.checkout-message.success {
  display: block;
  background: rgba(37, 211, 102, 0.12);
  border: 1px solid var(--whatsapp-color);
  color: var(--whatsapp-color);
}

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

/* ========== SECCIONES ========== */
.order-summary,
.coupon-section,
.customer-data {
  background: var(--card-bg);
  border-radius: var(--radius);
  padding: 14px;
  margin-bottom: 14px;
  border: 1px solid var(--border-color);
}

.order-summary h2,
.coupon-section h2,
.customer-data h2 {
  font-size: 0.95rem;
  font-weight: 700;
  margin-bottom: 12px;
  color: var(--text-main);
}

/* ========== RESUMEN DEL PEDIDO ========== */
.cart-items-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 12px;
  max-height: 260px;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
  padding-right: 4px;
}

.cart-items-list::-webkit-scrollbar {
  width: 2px;
}
.cart-items-list::-webkit-scrollbar-thumb {
  background: var(--border-color);
  border-radius: 2px;
}

.cart-item-checkout {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 10px;
  background: var(--bg-color);
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-color);
}

.cart-item-checkout img {
  width: 44px;
  height: 44px;
  border-radius: 6px;
  object-fit: cover;
  flex-shrink: 0;
  background: var(--bg-color);
}

.cart-item-checkout .item-info {
  flex: 1;
  min-width: 0;
}

.cart-item-checkout .item-name {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-main);
  display: -webkit-box;
  -webkit-line-clamp: 1;
  -webkit-box-orient: vertical;
  line-clamp: 1;
  overflow: hidden;
}

.cart-item-checkout .item-meta {
  font-size: 0.6rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.3px;
}

.cart-item-checkout .item-right {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  flex-shrink: 0;
}

.cart-item-checkout .item-price {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--accent-gold);
}

.cart-item-checkout .item-qty {
  font-size: 0.6rem;
  color: var(--text-muted);
}

/* ========== TOTALES ========== */
.total-section {
  border-top: 1px solid var(--border-color);
  padding-top: 12px;
}

.total-section > div {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 3px 0;
  font-size: 0.85rem;
}

.total-section .subtotal span:first-child,
.total-section .discount span:first-child {
  color: var(--text-muted);
}

.total-section .subtotal span:last-child {
  color: var(--text-main);
  font-weight: 600;
}

.total-section .discount {
  display: none;
}

.total-section .discount.show {
  display: flex;
}

.total-section .discount span:last-child {
  color: #4caf50;
  font-weight: 600;
}

.total-section .total {
  border-top: 1px solid var(--border-color);
  margin-top: 4px;
  padding-top: 10px;
}

.total-section .total span:first-child {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text-main);
}

.total-section .total span:last-child {
  font-size: 1.15rem;
  font-weight: 800;
  color: var(--accent-gold);
}

/* ========== CUPÓN ========== */
.coupon-input {
  display: flex;
  gap: 8px;
}

.coupon-input input {
  flex: 1;
  padding: 10px 12px;
  background: var(--bg-color);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  color: var(--text-main);
  font-family: inherit;
  font-size: 0.85rem;
  outline: none;
  transition: border-color var(--transition);
  min-height: 44px;
  width: 100%;
}

.coupon-input input:focus {
  border-color: var(--accent-gold);
}

.coupon-input input::placeholder {
  color: var(--text-muted);
  opacity: 0.6;
}

.coupon-input button {
  padding: 10px 16px;
  background: var(--border-color);
  border: none;
  border-radius: var(--radius-sm);
  color: var(--text-main);
  font-weight: 600;
  font-size: 0.8rem;
  cursor: pointer;
  transition: all var(--transition);
  font-family: inherit;
  white-space: nowrap;
  min-height: 44px;
  touch-action: manipulation;
}

.coupon-input button:active {
  transform: scale(0.95);
  background: var(--accent-gold);
  color: #000;
}

.coupon-message {
  margin-top: 8px;
  font-size: 0.75rem;
  font-weight: 500;
  min-height: 18px;
}

.coupon-message.success {
  color: var(--whatsapp-color);
}

.coupon-message.error {
  color: #ff4444;
}

/* ========== DATOS DEL CLIENTE ========== */
.form-group {
  margin-bottom: 14px;
}

.form-group:last-child {
  margin-bottom: 0;
}

.form-group label {
  display: block;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-muted);
  margin-bottom: 4px;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 10px 12px;
  background: var(--bg-color);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  color: var(--text-main);
  font-family: inherit;
  font-size: 0.85rem;
  outline: none;
  transition: border-color var(--transition);
  min-height: 44px;
  -webkit-appearance: none;
  appearance: none;
}

.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--accent-gold);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--text-muted);
  opacity: 0.5;
}

.form-group textarea {
  min-height: 70px;
  resize: vertical;
  font-family: inherit;
  line-height: 1.5;
}

.form-group input.error,
.form-group textarea.error {
  border-color: #ff4444;
}

.form-group .error-text {
  font-size: 0.65rem;
  color: #ff4444;
  margin-top: 4px;
  display: none;
}

.form-group .error-text.show {
  display: block;
}

/* ========== MÉTODOS DE PAGO ========== */
.payment-methods {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
}

.payment-option {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 4px;
  padding: 10px 6px;
  background: var(--bg-color);
  border: 2px solid var(--border-color);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition);
  touch-action: manipulation;
  min-height: 44px;
}

.payment-option:active {
  transform: scale(0.95);
}

.payment-option input {
  display: none;
}

.payment-option span {
  font-size: 0.7rem;
  font-weight: 600;
  color: var(--text-muted);
  transition: color var(--transition);
  text-align: center;
}

.payment-option:has(input:checked) {
  border-color: var(--accent-gold);
  background: rgba(212, 175, 55, 0.08);
}

.payment-option:has(input:checked) span {
  color: var(--accent-gold);
}

/* ========== BOTÓN PRINCIPAL ========== */
.btn-primary {
  width: 100%;
  padding: 14px;
  background: var(--whatsapp-color);
  color: #fff;
  border: none;
  border-radius: var(--radius-sm);
  font-size: 0.95rem;
  font-weight: 700;
  cursor: pointer;
  transition: all var(--transition);
  font-family: inherit;
  min-height: 52px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  touch-action: manipulation;
}

.btn-primary:active {
  transform: scale(0.97);
  opacity: 0.9;
}

.btn-primary:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none;
}

.btn-primary.loading {
  position: relative;
  color: transparent;
}

.btn-primary.loading::after {
  content: '';
  position: absolute;
  width: 24px;
  height: 24px;
  border: 3px solid #fff;
  border-top-color: transparent;
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

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

/* ========== EMPTY STATE ========== */
.checkout-empty {
  text-align: center;
  padding: 40px 20px;
}

.checkout-empty .empty-icon {
  font-size: 4rem;
  margin-bottom: 14px;
}

.checkout-empty h2 {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 6px;
  color: var(--text-main);
}

.checkout-empty p {
  color: var(--text-muted);
  font-size: 0.85rem;
  margin-bottom: 18px;
}

.checkout-empty .btn-back {
  display: inline-block;
  padding: 10px 28px;
  background: var(--accent-gold);
  color: #000;
  border-radius: 20px;
  text-decoration: none;
  font-weight: 600;
  font-size: 0.85rem;
  transition: all var(--transition);
  touch-action: manipulation;
}

.checkout-empty .btn-back:active {
  transform: scale(0.95);
}

/* ============================================
   TABLET (600px - 1023px)
   ============================================ */
@media (min-width: 600px) {
  .checkout-container {
    padding: 20px 24px calc(120px + var(--safe-bottom));
    max-width: 560px;
  }

  .checkout-container h1 {
    font-size: 1.6rem;
    margin-bottom: 20px;
  }

  .order-summary,
  .coupon-section,
  .customer-data {
    padding: 18px;
    margin-bottom: 18px;
    border-radius: var(--radius);
  }

  .order-summary h2,
  .coupon-section h2,
  .customer-data h2 {
    font-size: 1rem;
    margin-bottom: 14px;
  }

  .cart-item-checkout {
    padding: 10px 12px;
    gap: 12px;
  }

  .cart-item-checkout img {
    width: 50px;
    height: 50px;
  }

  .cart-item-checkout .item-name {
    font-size: 0.85rem;
  }

  .cart-item-checkout .item-price {
    font-size: 0.9rem;
  }

  .payment-methods {
    gap: 10px;
  }

  .payment-option {
    padding: 12px 8px;
    min-height: 48px;
  }

  .payment-option span {
    font-size: 0.8rem;
  }

  .btn-primary {
    font-size: 1rem;
    padding: 16px;
    min-height: 56px;
  }

  .coupon-input input {
    padding: 12px 14px;
    font-size: 0.9rem;
  }

  .coupon-input button {
    padding: 12px 20px;
    font-size: 0.85rem;
  }

  .form-group input,
  .form-group textarea {
    padding: 12px 14px;
    font-size: 0.9rem;
  }

  .total-section .total span:last-child {
    font-size: 1.25rem;
  }
}

/* ============================================
   DESKTOP (1024px+)
   ============================================ */
@media (min-width: 1024px) {
  .checkout-container {
    padding: 32px 32px calc(140px + var(--safe-bottom));
    max-width: 640px;
  }

  .checkout-container h1 {
    font-size: 1.8rem;
  }

  .order-summary,
  .coupon-section,
  .customer-data {
    padding: 24px;
    margin-bottom: 20px;
  }

  .cart-item-checkout {
    padding: 12px 14px;
  }

  .cart-item-checkout img {
    width: 56px;
    height: 56px;
  }

  .payment-option:hover {
    border-color: var(--accent-gold);
  }

  .payment-option:hover span {
    color: var(--accent-gold);
  }

  .coupon-input button:hover {
    background: var(--accent-gold);
    color: #000;
  }

  .btn-primary:hover {
    opacity: 0.9;
    transform: scale(1.01);
  }

  .btn-primary:active {
    transform: scale(0.97);
  }
}

/* ============================================
   MÓVIL PEQUEÑO (< 380px)
   ============================================ */
@media (max-width: 379px) {
  .checkout-container {
    padding: 8px 8px calc(80px + var(--safe-bottom));
  }

  .checkout-container h1 {
    font-size: 1.2rem;
    margin-bottom: 12px;
  }

  .order-summary,
  .coupon-section,
  .customer-data {
    padding: 10px;
    margin-bottom: 10px;
    border-radius: var(--radius-sm);
  }

  .order-summary h2,
  .coupon-section h2,
  .customer-data h2 {
    font-size: 0.85rem;
    margin-bottom: 10px;
  }

  .payment-methods {
    grid-template-columns: 1fr 1fr;
    gap: 6px;
  }

  .payment-option {
    padding: 8px 4px;
    min-height: 38px;
  }

  .payment-option span {
    font-size: 0.6rem;
  }

  .cart-item-checkout {
    padding: 6px 8px;
    gap: 8px;
  }

  .cart-item-checkout img {
    width: 36px;
    height: 36px;
  }

  .cart-item-checkout .item-name {
    font-size: 0.7rem;
  }

  .cart-item-checkout .item-price {
    font-size: 0.75rem;
  }

  .cart-item-checkout .item-meta {
    font-size: 0.55rem;
  }

  .cart-item-checkout .item-qty {
    font-size: 0.55rem;
  }

  .total-section > div {
    font-size: 0.8rem;
  }

  .total-section .total span:last-child {
    font-size: 1rem;
  }

  .btn-primary {
    font-size: 0.85rem;
    padding: 12px;
    min-height: 44px;
  }

  .coupon-input input {
    font-size: 0.8rem;
    padding: 8px 10px;
    min-height: 38px;
  }

  .coupon-input button {
    font-size: 0.7rem;
    padding: 8px 12px;
    min-height: 38px;
  }

  .form-group input,
  .form-group textarea {
    font-size: 0.8rem;
    padding: 8px 10px;
    min-height: 38px;
  }

  .form-group label {
    font-size: 0.7rem;
  }

  .checkout-empty .empty-icon {
    font-size: 3rem;
  }

  .checkout-empty h2 {
    font-size: 1rem;
  }

  .checkout-empty p {
    font-size: 0.8rem;
  }
}

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

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

.mt-8 { margin-top: 8px; }
.mt-12 { margin-top: 12px; }
.mb-8 { margin-bottom: 8px; }
.mb-12 { margin-bottom: 12px; }

/* ============================================
   SAFE AREA
   ============================================ */
@supports (padding: max(0px)) {
  .checkout-container {
    padding-left: max(12px, env(safe-area-inset-left));
    padding-right: max(12px, env(safe-area-inset-right));
    padding-bottom: max(100px, env(safe-area-inset-bottom));
  }
}

/* ============================================
   ELIMINAR PRODUCTOS DEL CARRITO
   ============================================ */

.order-summary-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 12px;
  flex-wrap: wrap;
  gap: 8px;
}

.order-summary-header h2 {
  margin-bottom: 0;
}

.btn-clear-all {
  background: transparent;
  border: 1px solid #ff4444;
  color: #ff4444;
  padding: 6px 12px;
  border-radius: var(--radius-sm);
  font-size: 0.7rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition);
  font-family: inherit;
  touch-action: manipulation;
  min-height: 36px;
  white-space: nowrap;
}

.btn-clear-all:active {
  transform: scale(0.95);
  background: rgba(255, 68, 68, 0.1);
}

.cart-item-checkout {
  position: relative;
  padding-right: 40px;
}

.cart-item-checkout .btn-remove-item {
  position: absolute;
  top: 8px;
  right: 8px;
  background: transparent;
  border: none;
  color: #ff4444;
  font-size: 1.2rem;
  cursor: pointer;
  padding: 4px 8px;
  border-radius: 4px;
  transition: all var(--transition);
  touch-action: manipulation;
  line-height: 1;
  min-height: 32px;
  min-width: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.cart-item-checkout .btn-remove-item:active {
  transform: scale(0.85);
  background: rgba(255, 68, 68, 0.1);
}

/* Animación al eliminar */
.cart-item-checkout.removing {
  animation: slideOut 0.3s ease forwards;
}

@keyframes slideOut {
  0% {
    opacity: 1;
    transform: translateX(0);
    max-height: 100px;
  }
  100% {
    opacity: 0;
    transform: translateX(40px);
    max-height: 0;
    padding: 0;
    margin: 0;
    overflow: hidden;
  }
}

/* ============================================
   RESPONSIVE - ELIMINAR
   ============================================ */

@media (min-width: 600px) {
  .btn-clear-all {
    font-size: 0.8rem;
    padding: 8px 16px;
    min-height: 40px;
  }
  
  .cart-item-checkout .btn-remove-item {
    font-size: 1.3rem;
    min-height: 36px;
    min-width: 36px;
  }
}

@media (max-width: 380px) {
  .order-summary-header {
    flex-direction: column;
    align-items: stretch;
    gap: 6px;
  }
  
  .btn-clear-all {
    width: 100%;
    text-align: center;
    padding: 8px;
    font-size: 0.7rem;
    min-height: 34px;
  }
  
  .cart-item-checkout .btn-remove-item {
    top: 4px;
    right: 4px;
    font-size: 1rem;
    min-height: 28px;
    min-width: 28px;
    padding: 2px 6px;
  }
}