.checkout-container {
            display: grid;
            grid-template-columns: 2fr 1fr;
            gap: 40px;
            padding: 40px 0;
        }

        .checkout-form {
            background: var(--white);
            padding: 30px;
            border-radius: var(--border-radius);
            box-shadow: var(--shadow);
        }

        .form-section {
            margin-bottom: 30px;
            padding-bottom: 30px;
            border-bottom: 1px solid var(--gray-light);
        }

        .form-section:last-of-type {
            border-bottom: none;
            padding-bottom: 0;
            margin-bottom: 0;
        }

        .section-title {
            font-size: 1.2rem;
            font-weight: 700;
            margin-bottom: 20px;
            color: var(--primary-color);
        }

        .section-title i {
            margin-right: 10px;
            color: var(--secondary-color);
        }

        .form-row {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 20px;
            margin-bottom: 15px;
        }

        .form-group {
            margin-bottom: 15px;
        }

        .form-group label {
            display: block;
            margin-bottom: 8px;
            font-weight: 600;
            color: var(--dark-text);
        }

        .form-group input,
        .form-group select,
        .form-group textarea {
            width: 100%;
            padding: 12px;
            border: 1px solid var(--gray-light);
            border-radius: var(--border-radius-sm);
            font-family: inherit;
            transition: all var(--transition);
        }

        .form-group input:focus,
        .form-group select:focus,
        .form-group textarea:focus {
            outline: none;
            border-color: var(--secondary-color);
            box-shadow: 0 0 0 3px rgba(233, 69, 96, 0.1);
        }

        .form-group input.error,
        .form-group select.error {
            border-color: var(--danger-color);
            background-color: rgba(220, 53, 69, 0.05);
        }

        .error-message {
            color: var(--danger-color);
            font-size: 0.8rem;
            margin-top: 5px;
            display: none;
        }

        .error-message.show {
            display: block;
        }

        .highlight-error {
            animation: shake 0.5s ease-in-out;
            scroll-margin-top: 100px;
        }

        @keyframes shake {

            0%,
            100% {
                transform: translateX(0);
            }

            25% {
                transform: translateX(-5px);
            }

            75% {
                transform: translateX(5px);
            }
        }

        .order-summary {
            background: var(--white);
            padding: 30px;
            border-radius: var(--border-radius);
            box-shadow: var(--shadow);
            position: sticky;
            top: 100px;
        }

        .cart-item-summary {
            display: flex;
            gap: 15px;
            margin-bottom: 15px;
            padding-bottom: 15px;
            border-bottom: 1px solid var(--gray-light);
        }

        .cart-item-summary-image {
            width: 60px;
            height: 60px;
            object-fit: cover;
            border-radius: var(--border-radius-sm);
        }

        .cart-item-summary-details {
            flex: 1;
        }

        .cart-item-summary-name {
            font-weight: 600;
            margin-bottom: 5px;
            font-size: 0.9rem;
        }

        .cart-item-summary-meta {
            font-size: 0.8rem;
            color: var(--light-text);
        }

        .cart-item-summary-price {
            font-weight: 700;
            color: var(--secondary-color);
        }

        .summary-row {
            display: flex;
            justify-content: space-between;
            margin-bottom: 12px;
            padding: 8px 0;
        }

        .summary-label {
            color: var(--light-text);
        }

        .summary-value {
            font-weight: 600;
            color: var(--dark-text);
        }

        .summary-total {
            display: flex;
            justify-content: space-between;
            margin-top: 20px;
            padding-top: 20px;
            border-top: 2px solid var(--gray-light);
            font-size: 1.3rem;
            font-weight: 700;
        }

        .summary-total .summary-value {
            color: var(--secondary-color);
        }

        .payment-methods {
            display: flex;
            flex-direction: column;
            gap: 15px;
        }

        .payment-option {
            display: flex;
            align-items: center;
            padding: 15px;
            border: 2px solid var(--gray-light);
            border-radius: var(--border-radius);
            cursor: pointer;
            transition: all var(--transition);
        }

        .payment-option:hover {
            border-color: var(--secondary-color);
            background-color: var(--light-bg);
        }

        .payment-option input[type="radio"] {
            margin-right: 15px;
            width: 18px;
            height: 18px;
            cursor: pointer;
        }

        .payment-option.selected {
            border-color: var(--secondary-color);
            background-color: rgba(233, 69, 96, 0.05);
        }

        .payment-details {
            display: none;
            margin-top: 15px;
            padding: 15px;
            background-color: var(--light-bg);
            border-radius: var(--border-radius);
            font-size: 0.9rem;
            color: var(--light-text);
        }

        .payment-details.show {
            display: block;
        }

        .coupon-section {
            margin-top: 15px;
        }

        .coupon-input-group {
            display: flex;
            gap: 10px;
        }

        .coupon-input-group input {
            flex: 1;
            padding: 12px;
            border: 2px solid var(--gray-light);
            border-radius: var(--border-radius-sm);
            font-family: inherit;
            transition: all var(--transition);
        }

        .coupon-input-group input:focus {
            outline: none;
            border-color: var(--secondary-color);
            box-shadow: 0 0 0 3px rgba(233, 69, 96, 0.1);
        }

        .coupon-input-group button {
            padding: 12px 24px;
            white-space: nowrap;
            font-weight: 600;
        }

        .coupon-applied {
            background: linear-gradient(135deg, rgba(40, 167, 69, 0.1), rgba(40, 167, 69, 0.05));
            border: 1px solid var(--success-color);
            border-radius: var(--border-radius);
            padding: 12px 15px;
            margin-top: 10px;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .coupon-applied span {
            color: var(--success-color);
            font-weight: 600;
        }

        .remove-coupon {
            color: var(--danger-color);
            cursor: pointer;
            text-decoration: underline;
            font-size: 0.8rem;
        }

        .alert {
            padding: 15px;
            border-radius: var(--border-radius);
            margin-bottom: 20px;
        }

        .alert-success {
            background-color: rgba(40, 167, 69, 0.1);
            color: var(--success-color);
            border: 1px solid var(--success-color);
        }

        .alert-danger {
            background-color: rgba(220, 53, 69, 0.1);
            color: var(--danger-color);
            border: 1px solid var(--danger-color);
        }

        .success-message {
            text-align: center;
            padding: 60px 40px;
            background: var(--white);
            border-radius: var(--border-radius);
            box-shadow: var(--shadow-lg);
            margin: 40px 0;
        }

        .success-icon {
            font-size: 4rem;
            color: var(--success-color);
            margin-bottom: 20px;
        }

        .success-message h2 {
            color: var(--success-color);
            margin-bottom: 20px;
        }

        .order-number {
            font-family: monospace;
            font-weight: 700;
            background: var(--light-bg);
            padding: 10px 20px;
            border-radius: var(--border-radius);
            display: inline-block;
            margin: 15px 0;
            font-size: 1.2rem;
        }

        .total-amount {
            font-size: 1.5rem;
            font-weight: bold;
            color: var(--secondary-color);
            margin: 20px 0;
        }

        .btn-loading {
            position: relative;
            pointer-events: none;
            opacity: 0.7;
        }

        .btn-loading::after {
            content: '';
            position: absolute;
            width: 20px;
            height: 20px;
            top: 50%;
            right: 15px;
            margin-top: -10px;
            border: 2px solid var(--white);
            border-top-color: transparent;
            border-radius: 50%;
            animation: spin 0.6s linear infinite;
        }

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

        .address-selector {
            margin-bottom: 20px;
        }

        .address-option {
            border: 2px solid var(--gray-light);
            border-radius: var(--border-radius);
            margin-bottom: 15px;
            transition: all var(--transition);
            cursor: pointer;
        }

        .address-option.selected {
            border-color: var(--secondary-color);
            background-color: rgba(233, 69, 96, 0.05);
        }

        .address-radio {
            padding: 15px;
            display: flex;
            align-items: flex-start;
            gap: 15px;
        }

        .address-radio input[type="radio"] {
            margin-top: 2px;
            width: 18px;
            height: 18px;
        }

        .address-details-compact {
            flex: 1;
        }

        .address-name-compact {
            font-weight: 600;
            color: var(--dark-text);
            margin-bottom: 5px;
        }

        .address-text-compact {
            font-size: 0.85rem;
            color: var(--light-text);
            line-height: 1.4;
        }

        .default-badge-small {
            background-color: var(--success-color);
            color: white;
            padding: 2px 8px;
            border-radius: 12px;
            font-size: 0.7rem;
            font-weight: 600;
            margin-left: 10px;
        }

        .btn-link {
            background: none;
            border: none;
            color: var(--secondary-color);
            cursor: pointer;
            font-size: 0.85rem;
            text-decoration: underline;
            padding: 0;
        }

        .btn-link:hover {
            color: var(--primary-color);
        }

        .new-address-form {
            margin-top: 20px;
            padding-top: 20px;
            border-top: 1px solid var(--gray-light);
        }

        .new-address-form.hidden {
            display: none;
        }

        .checkbox-group {
            margin-top: 10px;
        }

        .checkbox-group input {
            margin-right: 8px;
        }

        /* Estilo para el indicador de guardado automático */
        .auto-save-indicator {
            font-size: 0.75rem;
            margin-top: 5px;
            color: var(--success-color);
            display: none;
        }

        .auto-save-indicator.show {
            display: block;
        }

        @media (max-width: 1024px) {
            .checkout-container {
                grid-template-columns: 1fr;
            }

            .order-summary {
                position: static;
                order: 1;
            }

            .checkout-form {
                order: 2;
            }
        }

        @media (max-width: 768px) {
            .form-row {
                grid-template-columns: 1fr;
                gap: 0;
            }

            .checkout-form {
                padding: 20px;
            }

            .order-summary {
                padding: 20px;
            }

            .coupon-input-group {
                flex-direction: column;
            }

            .coupon-input-group button {
                width: 100%;
            }
        }