/**
 * Estilos para Página Individual de Producto + Configurador
 * Optics Sterling LLC
 * 
 * ETAPA 3: Estilos completos
 */

/* ============================================
   BREADCRUMB
   ============================================ */
.breadcrumb {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: var(--spacing-md) 0;
    font-size: 0.875rem;
    color: var(--color-gray-500);
}

.breadcrumb a {
    color: var(--color-gray-600);
    text-decoration: none;
    transition: var(--transition-fast);
}

.breadcrumb a:hover {
    color: var(--color-primary);
}

.breadcrumb .separator {
    color: var(--color-gray-300);
}

.breadcrumb .current {
    color: var(--color-primary);
    font-weight: var(--font-weight-medium);
}

/* ============================================
   PRODUCTO - GRID PRINCIPAL
   ============================================ */
.product-single {
    padding-top: 120px;
    padding-bottom: var(--spacing-3xl);
}

.product-single-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl);
}

/* ============================================
   GALERÍA DE IMÁGENES
   ============================================ */
.product-gallery {
    position: relative;
}

.product-main-image {
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    background: var(--color-gray-100);
    margin-bottom: var(--spacing-md);
    aspect-ratio: 4/3;
}

.product-main-image img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    transition: var(--transition-normal);
}

.product-thumbnails {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-sm);
}

.product-thumbnails img {
    width: 100%;
    aspect-ratio: 1/1;
    object-fit: cover;
    border-radius: var(--border-radius-sm);
    cursor: pointer;
    border: 3px solid transparent;
    transition: var(--transition-normal);
}

.product-thumbnails img:hover {
    border-color: var(--color-gray-300);
}

.product-thumbnails img.active {
    border-color: var(--color-secondary);
}

/* ============================================
   INFORMACIÓN DEL PRODUCTO
   ============================================ */
.product-info-single {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.product-info-single .product-category {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    color: var(--color-secondary);
    font-weight: var(--font-weight-semibold);
}

.product-info-single h1 {
    font-size: 2.5rem;
    color: var(--color-gray-900);
    margin: 0;
}

.product-info-single .price {
    font-size: 2rem;
    font-weight: var(--font-weight-bold);
    color: var(--color-primary);
}

.product-description {
    color: var(--color-gray-600);
    line-height: 1.7;
    font-size: 1rem;
}

.product-features {
    background: var(--color-gray-50);
    padding: var(--spacing-md);
    border-radius: var(--border-radius-md);
}

.product-features h4 {
    font-size: 0.9375rem;
    color: var(--color-gray-900);
    margin-bottom: var(--spacing-sm);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.product-features h4 i {
    color: var(--color-secondary);
}

.product-features ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.product-features ul li {
    padding: 0.25rem 0;
    color: var(--color-gray-600);
    font-size: 0.875rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.product-features ul li::before {
    content: '•';
    color: var(--color-secondary);
    font-weight: bold;
}

/* ============================================
   CONFIGURADOR
   ============================================ */
.configurator-section {
    margin-top: var(--spacing-lg);
    padding-top: var(--spacing-lg);
    border-top: 2px solid var(--color-gray-200);
}

.configurator-section h3 {
    font-size: 1.25rem;
    color: var(--color-gray-900);
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: var(--spacing-xs);
}

.configurator-section h3 i {
    color: var(--color-secondary);
}

.configurator-subtitle {
    color: var(--color-gray-500);
    font-size: 0.9375rem;
    margin-bottom: var(--spacing-lg);
}

/* Opciones del configurador */
.configurator-option {
    margin-bottom: var(--spacing-lg);
}

.option-label {
    display: block;
    font-weight: var(--font-weight-semibold);
    color: var(--color-gray-800);
    margin-bottom: var(--spacing-sm);
    font-size: 0.9375rem;
}

.option-label .required {
    color: #e74c3c;
    margin-left: 0.25rem;
}

.configurator-options {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
}

/* Botones de opción */
.option-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.25rem;
    padding: 0.625rem 1.25rem;
    border: 2px solid var(--color-gray-200);
    border-radius: var(--border-radius-md);
    background: var(--color-white);
    cursor: pointer;
    transition: var(--transition-normal);
    font-size: 0.8125rem;
    color: var(--color-gray-700);
    font-family: var(--font-primary);
    min-width: 80px;
    position: relative;
}

.option-btn:hover {
    border-color: var(--color-primary);
    color: var(--color-primary);
    transform: translateY(-2px);
}

.option-btn.selected {
    border-color: var(--color-secondary);
    background: rgba(201, 168, 76, 0.08);
    color: var(--color-gray-900);
    box-shadow: 0 0 0 3px rgba(201, 168, 76, 0.2);
}

.option-btn img {
    width: 40px;
    height: 40px;
    object-fit: contain;
    margin-bottom: 0.25rem;
}

.option-btn .option-price {
    font-size: 0.6875rem;
    font-weight: var(--font-weight-semibold);
    color: var(--color-primary);
}

.option-btn .option-price.free {
    color: var(--color-gray-400);
}

.option-btn .option-info-tip {
    cursor: help;
    color: var(--color-gray-400);
    transition: var(--transition-fast);
}

.option-btn .option-info-tip:hover {
    color: var(--color-secondary);
}

/* Radio buttons (prescripción) */
.radio-group .option-btn {
    flex-direction: row;
    gap: 0.5rem;
    min-width: auto;
    padding: 0.5rem 1.25rem;
}

.radio-group .option-btn input[type="radio"] {
    display: none;
}

.radio-group .option-btn .option-label-text {
    font-weight: var(--font-weight-medium);
}

/* Fotosensible info */
.fotosensible-info {
    margin-top: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--color-gray-50);
    border-radius: var(--border-radius-sm);
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.875rem;
    color: var(--color-gray-600);
    border-left: 3px solid var(--color-secondary);
}

.fotosensible-info i {
    color: var(--color-secondary);
    font-size: 1rem;
}

/* ============================================
   PRESCRIPCIÓN - ESTILOS MEJORADOS
   ============================================ */
.prescription-section {
    margin-top: var(--spacing-lg);
    padding: var(--spacing-lg);
    background: var(--color-white);
    border-radius: var(--border-radius-lg);
    border: 2px solid var(--color-gray-200);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
}

.prescription-section h4 {
    font-size: 1.0625rem;
    color: var(--color-gray-900);
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: var(--spacing-xs);
}

.prescription-section h4 i {
    color: var(--color-secondary);
}

.prescription-subtitle {
    color: var(--color-gray-500);
    font-size: 0.875rem;
    margin-bottom: var(--spacing-md);
}

/* Métodos de prescripción */
.prescription-options {
    display: flex;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
}

.prescription-method {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    border: 2px solid var(--color-gray-200);
    border-radius: var(--border-radius-md);
    cursor: pointer;
    transition: var(--transition-normal);
    background: var(--color-white);
    font-size: 0.875rem;
}

.prescription-method:hover {
    border-color: var(--color-primary);
}

.prescription-method.selected {
    border-color: var(--color-secondary);
    background: rgba(201, 168, 76, 0.08);
}

.prescription-method input[type="radio"] {
    display: none;
}

.prescription-method i {
    color: var(--color-gray-400);
    font-size: 1rem;
}

.prescription-method.selected i {
    color: var(--color-secondary);
}

/* Grid de prescripción - MEJORADO */
.prescription-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
    margin-top: var(--spacing-md);
}

/* Columnas OD y OS */
.prescription-column {
    background: var(--color-gray-50);
    border-radius: var(--border-radius-md);
    padding: var(--spacing-md);
    border: 2px solid var(--color-gray-200);
    transition: var(--transition-normal);
}

.prescription-column:hover {
    border-color: var(--color-primary);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.06);
}

/* Títulos de ojos */
.prescription-eye-title {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: var(--spacing-md);
    padding-bottom: var(--spacing-sm);
    border-bottom: 2px solid var(--color-gray-200);
}

.prescription-eye-title .eye-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: var(--color-secondary);
    color: var(--color-white);
    font-weight: var(--font-weight-bold);
    font-size: 0.875rem;
    padding: 0.25rem 0.75rem;
    border-radius: var(--border-radius-sm);
    min-width: 36px;
    font-family: var(--font-primary);
}

.prescription-eye-title .eye-label {
    font-weight: var(--font-weight-semibold);
    color: var(--color-gray-700);
    font-size: 0.9375rem;
}

/* Campos de prescripción */
.prescription-field {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
    margin-bottom: var(--spacing-sm);
}

.prescription-field label {
    font-size: 0.8125rem;
    font-weight: var(--font-weight-semibold);
    color: var(--color-gray-700);
    letter-spacing: 0.3px;
}

.prescription-field label .required {
    color: #e74c3c;
}

/* Selectores de prescripción */
.prescription-field select {
    padding: 0.5rem 0.75rem;
    border: 2px solid var(--color-gray-200);
    border-radius: var(--border-radius-sm);
    font-size: 0.875rem;
    font-family: var(--font-primary);
    background: var(--color-white);
    color: var(--color-gray-800);
    transition: var(--transition-normal);
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%236b7280' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
    padding-right: 36px;
    width: 100%;
}

.prescription-field select:hover {
    border-color: var(--color-primary);
}

.prescription-field select:focus {
    outline: none;
    border-color: var(--color-secondary);
    box-shadow: 0 0 0 3px rgba(201, 168, 76, 0.15);
}

.prescription-field select option {
    padding: 0.5rem;
}

.prescription-field select option[value=""] {
    color: var(--color-gray-400);
}

/* Inputs manuales (PD y HEIGHT) */
.prescription-field input[type="text"] {
    padding: 0.5rem 0.75rem;
    border: 2px solid var(--color-gray-200);
    border-radius: var(--border-radius-sm);
    font-size: 0.875rem;
    font-family: var(--font-primary);
    transition: var(--transition-normal);
    background: var(--color-white);
    color: var(--color-gray-800);
    width: 100%;
}

.prescription-field input[type="text"]::placeholder {
    color: var(--color-gray-400);
    font-size: 0.8125rem;
}

.prescription-field input[type="text"]:hover {
    border-color: var(--color-primary);
}

.prescription-field input[type="text"]:focus {
    outline: none;
    border-color: var(--color-secondary);
    box-shadow: 0 0 0 3px rgba(201, 168, 76, 0.15);
}

/* Upload de receta - MEJORADO */
.prescription-upload .upload-area {
    border: 2px dashed var(--color-gray-300);
    border-radius: var(--border-radius-md);
    padding: var(--spacing-xl);
    text-align: center;
    transition: var(--transition-normal);
    cursor: pointer;
    position: relative;
    background: var(--color-gray-50);
}

.prescription-upload .upload-area:hover {
    border-color: var(--color-primary);
    background: rgba(26, 35, 126, 0.02);
}

.prescription-upload .upload-area i {
    font-size: 3rem;
    color: var(--color-gray-400);
    margin-bottom: var(--spacing-sm);
}

.prescription-upload .upload-area p {
    color: var(--color-gray-600);
    margin-bottom: var(--spacing-xs);
}

.prescription-upload .upload-area .upload-formats {
    font-size: 0.75rem;
    color: var(--color-gray-400);
    display: block;
    margin-top: 0.25rem;
}

.prescription-upload .upload-area input[type="file"] {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    cursor: pointer;
}

/* ============================================
   TOTAL Y ACCIONES
   ============================================ */
.configurator-total {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-lg);
    background: var(--color-gray-50);
    border-radius: var(--border-radius-lg);
    margin-top: var(--spacing-lg);
    border: 2px solid var(--color-gray-200);
}

.total-left {
    display: flex;
    align-items: baseline;
    gap: var(--spacing-sm);
}

.total-label {
    font-weight: var(--font-weight-medium);
    color: var(--color-gray-600);
    font-size: 1rem;
}

.total-price {
    font-size: 2rem;
    font-weight: var(--font-weight-bold);
    color: var(--color-primary);
}

.btn-add-to-cart {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.875rem 2rem;
    background: var(--color-secondary);
    color: var(--color-white);
    border: none;
    border-radius: var(--border-radius-md);
    font-size: 1rem;
    font-weight: var(--font-weight-semibold);
    cursor: pointer;
    transition: var(--transition-normal);
}

.btn-add-to-cart:hover {
    background: var(--color-secondary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-add-to-cart i {
    transition: var(--transition-normal);
}

.btn-add-to-cart:hover i {
    transform: translateX(4px);
}

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 991px) {
    .product-single {
        padding-top: 100px;
    }
    
    .product-single-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }
    
    .product-info-single h1 {
        font-size: 2rem;
    }
    
    .prescription-grid {
        grid-template-columns: 1fr 1fr;
        gap: var(--spacing-md);
    }
}

@media (max-width: 768px) {
    .product-single {
        padding-top: 90px;
        padding-bottom: var(--spacing-xl);
    }
    
    .product-info-single h1 {
        font-size: 1.75rem;
    }
    
    .product-info-single .price {
        font-size: 1.5rem;
    }
    
    .product-main-image {
        aspect-ratio: 1/1;
    }
    
    .product-thumbnails {
        grid-template-columns: repeat(4, 1fr);
        gap: var(--spacing-xs);
    }
    
    .configurator-option {
        margin-bottom: var(--spacing-md);
    }
    
    .configurator-options {
        gap: var(--spacing-xs);
    }
    
    .option-btn {
        padding: 0.5rem 0.75rem;
        font-size: 0.75rem;
        min-width: 60px;
    }
    
    .option-btn img {
        width: 30px;
        height: 30px;
    }
    
    .prescription-section {
        padding: var(--spacing-md);
    }
    
    .prescription-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
    
    .prescription-column {
        padding: var(--spacing-md);
    }
    
    .prescription-options {
        flex-direction: column;
        gap: var(--spacing-xs);
    }
    
    .prescription-eye-title {
        margin-bottom: var(--spacing-sm);
    }
    
    .prescription-field {
        margin-bottom: var(--spacing-xs);
    }
    
    .configurator-total {
        flex-direction: column;
        gap: var(--spacing-md);
        text-align: center;
        padding: var(--spacing-md);
    }
    
    .total-left {
        flex-direction: column;
        align-items: center;
    }
    
    .btn-add-to-cart {
        width: 100%;
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .product-single {
        padding-top: 80px;
    }
    
    .product-info-single h1 {
        font-size: 1.5rem;
    }
    
    .option-btn {
        padding: 0.375rem 0.625rem;
        font-size: 0.6875rem;
        min-width: 50px;
    }
    
    .option-btn img {
        width: 24px;
        height: 24px;
    }
    
    .prescription-section {
        padding: var(--spacing-sm);
    }
    
    .prescription-column {
        padding: var(--spacing-sm);
    }
    
    .prescription-field select,
    .prescription-field input[type="text"] {
        padding: 0.4rem 0.6rem;
        font-size: 0.8125rem;
    }
    
    .prescription-field select {
        padding-right: 30px;
        background-position: right 8px center;
    }
    
    .prescription-eye-title .eye-badge {
        font-size: 0.75rem;
        padding: 0.15rem 0.6rem;
        min-width: 30px;
    }
    
    .prescription-eye-title .eye-label {
        font-size: 0.8125rem;
    }
    
    .prescription-upload .upload-area {
        padding: var(--spacing-md);
    }
    
    .prescription-upload .upload-area i {
        font-size: 2rem;
    }
}


/* ============================================
   MODAL DE CONFIRMACIÓN
   ============================================ */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(8px);
    z-index: 2000;
    display: none;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-md);
    animation: fadeIn 0.3s ease;
}

.modal-container {
    background: var(--color-white);
    border-radius: var(--border-radius-xl);
    max-width: 500px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: var(--shadow-xl);
    animation: slideUp 0.4s ease;
}

.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-lg);
    border-bottom: 1px solid var(--color-gray-200);
}

.modal-header h3 {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 1.25rem;
    color: var(--color-gray-900);
}

.modal-close {
    background: none;
    border: none;
    font-size: 1.25rem;
    color: var(--color-gray-400);
    cursor: pointer;
    padding: 0.25rem;
    transition: var(--transition-fast);
}

.modal-close:hover {
    color: var(--color-gray-700);
    transform: rotate(90deg);
}

.modal-body {
    padding: var(--spacing-lg);
}

.modal-body p {
    color: var(--color-gray-600);
    margin-bottom: var(--spacing-md);
}

.modal-options h4 {
    font-size: 0.875rem;
    color: var(--color-gray-700);
    margin-bottom: var(--spacing-sm);
    font-weight: var(--font-weight-medium);
}

.modal-options ul {
    list-style: none;
    padding: 0;
    margin: 0 0 var(--spacing-md) 0;
}

.modal-options ul li {
    padding: 0.375rem 0;
    border-bottom: 1px solid var(--color-gray-100);
    color: var(--color-gray-600);
    font-size: 0.875rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.modal-options ul li::before {
    content: '•';
    color: var(--color-secondary);
    font-weight: bold;
}

.modal-total {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-md);
    background: var(--color-gray-50);
    border-radius: var(--border-radius-md);
    margin-top: var(--spacing-md);
}

.modal-total span:first-child {
    font-weight: var(--font-weight-medium);
    color: var(--color-gray-700);
}

.modal-total-price {
    font-size: 1.5rem;
    font-weight: var(--font-weight-bold);
    color: var(--color-primary);
}

.modal-footer {
    display: flex;
    gap: var(--spacing-sm);
    padding: var(--spacing-lg);
    border-top: 1px solid var(--color-gray-200);
}

.modal-footer button {
    flex: 1;
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: var(--border-radius-md);
    font-weight: var(--font-weight-semibold);
    cursor: pointer;
    transition: var(--transition-normal);
    font-size: 0.9375rem;
}

.modal-footer .modal-continue {
    background: var(--color-gray-100);
    color: var(--color-gray-700);
}

.modal-footer .modal-continue:hover {
    background: var(--color-gray-200);
}

.modal-footer .modal-cart {
    background: var(--color-secondary);
    color: var(--color-white);
}

.modal-footer .modal-cart:hover {
    background: var(--color-secondary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

/* ============================================
   SELECTOR DE CANTIDAD
   ============================================ */
.quantity-selector {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    margin-top: var(--spacing-md);
}

.quantity-selector label {
    font-weight: var(--font-weight-medium);
    color: var(--color-gray-700);
    font-size: 0.9375rem;
}

.quantity-control {
    display: flex;
    align-items: center;
    gap: 0;
    border: 2px solid var(--color-gray-200);
    border-radius: var(--border-radius-md);
    overflow: hidden;
}

.quantity-control .qty-btn {
    width: 40px;
    height: 40px;
    border: none;
    background: var(--color-gray-50);
    color: var(--color-gray-700);
    font-size: 1.25rem;
    cursor: pointer;
    transition: var(--transition-fast);
    display: flex;
    align-items: center;
    justify-content: center;
}

.quantity-control .qty-btn:hover {
    background: var(--color-primary);
    color: var(--color-white);
}

.quantity-control input {
    width: 50px;
    height: 40px;
    border: none;
    border-left: 1px solid var(--color-gray-200);
    border-right: 1px solid var(--color-gray-200);
    text-align: center;
    font-size: 1rem;
    font-weight: var(--font-weight-semibold);
    font-family: var(--font-primary);
    padding: 0;
    -moz-appearance: textfield;
}

.quantity-control input::-webkit-outer-spin-button,
.quantity-control input::-webkit-inner-spin-button {
    -webkit-appearance: none;
    margin: 0;
}

.quantity-control input:focus {
    outline: none;
}

.total-unit {
    font-size: 0.875rem;
    color: var(--color-gray-400);
    display: block;
}

.total-label-small {
    font-size: 0.75rem;
    color: var(--color-gray-400);
    display: block;
    font-weight: var(--font-weight-regular);
}

/* ============================================
   ANIMACIONES
   ============================================ */
@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

@keyframes slideUp {
    from {
        transform: translateY(30px);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

/* ============================================
   TOTAL Y ACCIONES
   ============================================ */
.configurator-total {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-lg);
    background: var(--color-gray-50);
    border-radius: var(--border-radius-lg);
    margin-top: var(--spacing-lg);
    border: 2px solid var(--color-gray-200);
    flex-wrap: wrap;
    gap: var(--spacing-md);
}

.total-left {
    display: flex;
    align-items: baseline;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
}

.total-label {
    font-weight: var(--font-weight-medium);
    color: var(--color-gray-600);
    font-size: 1rem;
}

.total-price {
    font-size: 2rem;
    font-weight: var(--font-weight-bold);
    color: var(--color-primary);
}

.total-unit {
    font-size: 0.875rem;
    color: var(--color-gray-400);
}

.total-label-small {
    font-size: 0.75rem;
    color: var(--color-gray-400);
    font-weight: var(--font-weight-regular);
}

.total-right {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

/* ============================================
   BOTÓN AGREGAR AL CARRITO (CORREGIDO)
   ============================================ */
.btn-add-to-cart {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    padding: 0.875rem 2rem;
    min-width: 200px;
    background: linear-gradient(135deg, #c9a84c 0%, #b8963a 100%);
    color: #ffffff;
    border: none;
    border-radius: var(--border-radius-md);
    font-size: 1rem;
    font-weight: var(--font-weight-semibold);
    font-family: var(--font-primary);
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
    position: relative;
    overflow: hidden;
    box-shadow: 0 4px 15px rgba(201, 168, 76, 0.3);
}

/* Efecto hover */
.btn-add-to-cart:hover {
    background: linear-gradient(135deg, #b8963a 0%, #a0852e 100%);
    transform: translateY(-3px);
    box-shadow: 0 8px 30px rgba(201, 168, 76, 0.4);
    color: #ffffff;
}

/* Efecto active (click) */
.btn-add-to-cart:active {
    transform: translateY(0px);
    box-shadow: 0 2px 10px rgba(201, 168, 76, 0.3);
}

/* Icono del botón */
.btn-add-to-cart i {
    font-size: 1.125rem;
    transition: transform 0.3s ease;
}

/* El icono se mueve al hover */
.btn-add-to-cart:hover i {
    transform: translateX(4px);
}

/* Estado disabled */
.btn-add-to-cart:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none !important;
    box-shadow: none !important;
}

/* Estado de carga */
.btn-add-to-cart.loading {
    pointer-events: none;
    opacity: 0.8;
}

.btn-add-to-cart.loading i {
    animation: spin 1s linear infinite;
}

@keyframes spin {
    from {
        transform: rotate(0deg);
    }
    to {
        transform: rotate(360deg);
    }
}

/* Estado de éxito (cuando se agrega al carrito) */
.btn-add-to-cart.success {
    background: linear-gradient(135deg, #2ecc71 0%, #27ae60 100%);
    box-shadow: 0 4px 15px rgba(46, 204, 113, 0.3);
}

.btn-add-to-cart.success i {
    animation: bounceIn 0.5s ease;
}

@keyframes bounceIn {
    0% {
        transform: scale(0);
    }
    50% {
        transform: scale(1.3);
    }
    100% {
        transform: scale(1);
    }
}

/* ============================================
   RESPONSIVE BOTÓN
   ============================================ */
@media (max-width: 768px) {
    .configurator-total {
        flex-direction: column;
        text-align: center;
        padding: var(--spacing-md);
    }
    
    .total-left {
        justify-content: center;
        flex-direction: column;
        align-items: center;
    }
    
    .total-right {
        width: 100%;
    }
    
    .btn-add-to-cart {
        width: 100%;
        min-width: auto;
        padding: 0.875rem 1.5rem;
        justify-content: center;
        font-size: 0.9375rem;
    }
}

@media (max-width: 480px) {
    .btn-add-to-cart {
        padding: 0.75rem 1.25rem;
        font-size: 0.875rem;
        min-height: 50px;
    }
    
    .btn-add-to-cart i {
        font-size: 1rem;
    }
}