/* ===================================
   VARIABLES AND RESET
   =================================== */

@import url("https://fonts.googleapis.com/css2?family=Titillium+Web:wght@300;400;600;700&display=swap");

:root {
    /* Primary colors */
    --color-primary: #004b99;
    --color-catalog: #004b99;
    /* Updated dynamically */
    --color-secondary: #64748b;
    --color-success: #10b981;
    --color-warning: #f59e0b;
    --color-error: #ef4444;

    /* Grays */
    --color-gray-50: #f9fafb;
    --color-gray-100: #f3f4f6;
    --color-gray-200: #e5e7eb;
    --color-gray-300: #d1d5db;
    --color-gray-400: #9ca3af;
    --color-gray-500: #6b7280;
    --color-gray-600: #4b5563;
    --color-gray-700: #374151;
    --color-gray-800: #1f2937;
    --color-gray-900: #111827;

    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;

    /* Borders */
    --border-radius-sm: 0.375rem;
    --border-radius-md: 0.5rem;
    --border-radius-lg: 0.75rem;
    --border-radius-xl: 1rem;

    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);

    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 200ms ease;
    --transition-slow: 300ms ease;

    /* Fonts */
    --font-sans: -apple-system, BlinkMacSystemFont, 'Titillium Web', 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: var(--font-sans);
    background-color: var(--color-gray-50);
    color: var(--color-gray-900);
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

button {
    font-family: inherit;
    cursor: pointer;
    border: none;
    outline: none;
}

input {
    font-family: inherit;
}

/* ===================================
   HEADER
   =================================== */

.header {
    background-color: white;
    box-shadow: var(--shadow-sm);
    position: sticky;
    top: 0;
    z-index: 100;
}

.header-container {
    padding: var(--spacing-lg) var(--spacing-xl);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.header-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-gray-900);
}

.header-title span {
    color: var(--color-primary);
}

/* Breadcrumb */
.breadcrumb {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: 0.875rem;
    color: var(--color-gray-600);
}

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

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

.breadcrumb-separator {
    color: var(--color-gray-400);
}

.breadcrumb-current {
    color: var(--color-gray-900);
    font-weight: 500;
}

/* ===================================
   MAIN CONTAINER
   =================================== */

.main-container {
    padding: var(--spacing-2xl) var(--spacing-xl);
    flex-grow: 1;
}

.page-title {
    font-size: 2rem;
    font-weight: 700;
    color: var(--color-gray-900);
    margin-bottom: var(--spacing-sm);
}

.page-description {
    font-size: 1.125rem;
    color: var(--color-gray-600);
    margin-bottom: var(--spacing-2xl);
}

/* ===================================
   CATALOGS GRID (index.html)
   =================================== */

.catalogs-header {
    text-align: center;
    margin-bottom: var(--spacing-2xl);
}

.catalogs-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-xl);
    max-width: 1000px;
    margin: 0 auto;
}

.catalog-card {
    background: #fff;
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-base);
    cursor: pointer;
    border: 1px solid var(--color-gray-200);
}

.catalog-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
    border-color: var(--color-primary);
}

.catalog-card-header {
    padding: var(--spacing-lg) var(--spacing-lg) var(--spacing-md);
    text-align: center;
}

.catalog-card-logo {
    width: 150px;
    height: 150px;
    margin: 0 auto var(--spacing-sm);
    display: flex;
    align-items: center;
    justify-content: center;
}

.catalog-card-logo img {
    max-width: 150px;
    max-height: 150px;
    width: auto;
    height: auto;
    object-fit: contain;
}

.catalog-card-title {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--color-gray-900);
    margin: 0;
}

.catalog-card-content {
    padding: 0 var(--spacing-lg) var(--spacing-lg);
}

.catalog-card-description {
    color: var(--color-gray-600);
    font-size: 0.875rem;
    line-height: 1.5;
    margin-bottom: var(--spacing-md);
    text-align: center;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    line-clamp: 2;
    overflow: hidden;
}

.catalog-card-button {
    width: 100%;
    padding: var(--spacing-sm) var(--spacing-md);
    background-color: var(--color-primary);
    color: white;
    border: none;
    border-radius: var(--border-radius-sm);
    font-weight: 500;
    font-size: 0.8125rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
    transition: all var(--transition-base);
}

.catalog-card-button:hover {
    background-color: #3e77b2;
}

.catalog-card-button-icon {
    width: 14px;
    height: 14px;
    transition: transform var(--transition-fast);
}

.catalog-card:hover .catalog-card-button-icon {
    transform: translateX(2px);
}

/* ===================================
   CATALOG LAYOUT WITH SIDEBAR
   =================================== */

.catalog-content {
    display: flex;
    gap: var(--spacing-xl);
    align-items: flex-start;
}

/* ===================================
   FILTERS SIDEBAR
   =================================== */

.filters-sidebar {
    width: 250px;
    background: white;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-sm);
    padding: var(--spacing-lg);
    position: sticky;
    top: calc(80px + var(--spacing-md));
    height: fit-content;
}

/* Hide mobile accordion toggle on desktop */
.filters-toggle-mobile {
    display: none;
}

.filters-header {
    margin-bottom: var(--spacing-lg);
}

.filters-header h3 {
    font-size: 1rem;
    font-weight: 600;
    color: white;
    background-color: var(--color-gray-700);
    margin: -var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
    padding: var(--spacing-md);
    border-radius: var(--border-radius-lg) var(--border-radius-lg) 0 0;
}

.filter-section {
    margin-bottom: var(--spacing-lg);
    padding-bottom: var(--spacing-lg);
    border-bottom: 1px solid var(--color-gray-200);
}

.filter-section:last-of-type {
    border-bottom: none;
}

.filter-title {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--color-gray-900);
    margin-bottom: var(--spacing-md);
    text-transform: uppercase;
}

.filter-options {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.filter-option {
    display: flex;
    align-items: center;
    justify-content: space-between;
    cursor: pointer;
    font-size: 0.875rem;
    color: var(--color-gray-700);
    position: relative;
    padding-left: var(--spacing-xl);
}

.product-count {
    color: var(--color-gray-500);
    font-size: 0.75rem;
    margin-left: auto;
}

.show-more-btn {
    background: none;
    border: none;
    color: var(--color-catalog);
    font-size: 0.875rem;
    cursor: pointer;
    padding: var(--spacing-sm) 0;
    text-decoration: underline;
    width: 100%;
    text-align: left;
    margin-top: var(--spacing-sm);
}

.show-more-btn:hover {
    opacity: 0.8;
}

.filter-option input[type="checkbox"] {
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 16px;
    height: 16px;
    margin: 0;
    cursor: pointer;
}

.filter-option input[type="checkbox"]:checked + .checkmark::before {
    content: "✓";
    position: absolute;
    left: 2px;
    top: -2px;
    font-size: 12px;
    color: var(--color-catalog);
    font-weight: bold;
}

.checkmark {
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    height: 16px;
    width: 16px;
    background-color: white;
    border: 2px solid var(--color-gray-300);
    border-radius: var(--border-radius-sm);
    pointer-events: none;
}

.filter-option input[type="checkbox"]:checked + .checkmark {
    border-color: var(--color-catalog);
    background-color: white;
}

.clear-filters-btn {
    width: 100%;
    padding: var(--spacing-md);
    background-color: var(--color-catalog);
    color: white;
    border: none;
    border-radius: var(--border-radius-md);
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-base);
}

.clear-filters-btn:hover {
    opacity: 0.9;
}

/* ===================================
   PRODUCTS CONTENT AREA
   =================================== */

.products-content {
    flex: 1;
    min-width: 0;
}

.products-header {
    width: 50%;
    background: white;
    border-radius: var(--border-radius-lg);
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
}

.products-header .search-container {
    flex: 1;
    position: relative;
    display: flex;
    align-items: center;
    max-width: none;
}

.products-header .search-input {
    flex: 1;
    padding: var(--spacing-md) var(--spacing-md) var(--spacing-md) 2.75rem;
    border: 2px solid var(--color-gray-200);
    border-radius: var(--border-radius-md);
    font-size: 1rem;
    transition: all var(--transition-fast);
}

/* ===================================
   SEARCH AND FILTERS (catalog.html)
   =================================== */

.catalogs-header {
    margin-bottom: var(--spacing-2xl);
}

.search-section {
    background: white;
    padding: var(--spacing-lg);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-sm);
    margin-bottom: var(--spacing-xl);
}

.search-container {
    position: relative;
    max-width: 600px;
}

.search-icon {
    position: absolute;
    left: var(--spacing-md);
    top: 50%;
    transform: translateY(-50%);
    color: var(--color-gray-400);
    pointer-events: none;
}

.search-input {
    width: 100%;
    padding: var(--spacing-md) var(--spacing-md) var(--spacing-md) 2.75rem;
    border: 2px solid var(--color-gray-200);
    border-radius: var(--border-radius-md);
    font-size: 1rem;
    transition: all var(--transition-fast);
}

.search-input:focus {
    outline: none;
    border-color: var(--color-catalog);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.search-input::placeholder {
    color: var(--color-gray-400);
}

.products-info {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-lg);
}

.product-counter {
    font-size: 0.875rem;
    color: var(--color-gray-600);
    font-weight: 500;
}

/* ===================================
   PRODUCTS GRID (catalog.html)
   =================================== */

.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: var(--spacing-lg);
}

.product-card {
    background: white;
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-base);
    display: flex;
    flex-direction: column;
    position: relative;
}

.product-card:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.product-card-badge {
    position: absolute;
    top: var(--spacing-sm);
    left: var(--spacing-sm);
    background-color: var(--color-gray-700);
    color: white;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--border-radius-sm);
    font-size: 0.75rem;
    font-weight: 500;
    z-index: 1;
}

.product-card-image {
    width: 100%;
    height: 180px;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
}

.product-card-image img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    padding: var(--spacing-md);
}

.product-card-content {
    padding: var(--spacing-lg);
    flex: 1;
    display: flex;
    flex-direction: column;
}

.product-card-title {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--color-gray-900);
    margin-bottom: var(--spacing-sm);
    line-height: 1.3;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    line-clamp: 2;
    overflow: hidden;
}

.product-card-subtitle {
    font-size: 0.75rem;
    color: var(--color-gray-600);
    margin-bottom: var(--spacing-sm);
}

.product-card-brand {
    font-size: 0.75rem;
    color: var(--color-catalog);
    font-weight: 500;
}

.product-card-details {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
    font-size: 0.75rem;
    color: var(--color-gray-600);
}

.product-card-weight {
    font-weight: 500;
    color: var(--color-gray-800);
}

.product-card-footer {
    display: flex;
    justify-content: center;
    margin-top: auto;
}

.product-card-button {
    width: 100%;
    padding: var(--spacing-sm) var(--spacing-lg);
    background-color: var(--color-catalog);
    color: white;
    border: none;
    border-radius: var(--border-radius-md);
    font-size: 0.875rem;
    font-weight: 500;
    transition: all var(--transition-fast);
}

.product-card-button:hover {
    opacity: 0.9;
}

/* ===================================
   LOADER
   =================================== */

.loader {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-2xl);
    gap: var(--spacing-lg);
}

.spinner {
    width: 48px;
    height: 48px;
    border: 4px solid var(--color-gray-200);
    border-top-color: var(--color-catalog);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

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

.loader-text {
    color: var(--color-gray-600);
    font-weight: 500;
}

/* ===================================
   STATUS MESSAGES
   =================================== */

.empty-message,
.error-message {
    display: none;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-2xl);
    text-align: center;
    gap: var(--spacing-md);
}

.empty-message-icon,
.error-message-icon {
    font-size: 3rem;
}

.empty-message-text,
.error-message-text {
    font-size: 1.125rem;
    color: var(--color-gray-600);
    font-weight: 500;
}

.error-message {
    background-color: #fef2f2;
    border-radius: var(--border-radius-lg);
}

.mensaje-error-texto {
    color: var(--color-error);
}

/* ===================================
   RESPONSIVE
   =================================== */

@media (max-width: 768px) {
    .header-container {
        padding: var(--spacing-md) var(--spacing-lg);
    }

    .header-title {
        font-size: 1.25rem;
    }

    .main-container {
        padding: var(--spacing-xl) var(--spacing-lg);
    }

    .page-title {
        font-size: 1.5rem;
    }

    .page-description {
        font-size: 1rem;
    }

    /* Mobile layout for catalog */
    .catalog-content {
        flex-direction: column;
    }

    .filters-sidebar {
        width: 100%;
        position: static;
        padding: var(--spacing-lg);
        transition: padding var(--transition-base);
    }

    .filters-sidebar.collapsed .filters-toggle-mobile {
        margin: 0;
        border-radius: var(--border-radius-lg);
    }

    /* Mobile accordion styles */
    .filters-toggle-mobile {
        display: block;
        width: 100%;
        background: var(--color-gray-700);
        color: white;
        border: none;
        padding: var(--spacing-md);
        font-size: 1rem;
        font-weight: 600;
        border-radius: var(--border-radius-lg);
        cursor: pointer;
        display: flex;
        align-items: center;
        justify-content: space-between;
        transition: var(--transition-base);
        margin: 0;
    }

    .filters-toggle-mobile:hover {
        background: var(--color-gray-600);
    }

    .filters-toggle-icon {
        transition: transform var(--transition-base);
        stroke: currentColor;
    }

    .filters-sidebar.collapsed .filters-toggle-icon {
        transform: rotate(-90deg);
    }

    .filters-content {
        overflow: hidden;
        transition: max-height var(--transition-slow), padding var(--transition-slow);
        max-height: 1000px;
        padding-top: var(--spacing-lg);
    }

    .filters-sidebar.collapsed .filters-content {
        max-height: 0;
        padding-top: 0;
        padding-bottom: 0;
    }

    .filters-sidebar.collapsed .filters-header h3 {
        display: none;
    }

    .filters-header h3 {
        display: none;
    }

    .filters-header {
        margin-bottom: 0;
    }

    .products-header {
        flex-direction: column;
        gap: var(--spacing-md);
    }

    .products-header .search-container {
        width: 100%;
    }

    .scan-btn {
        width: 100%;
        justify-content: center;
    }

    .catalogs-grid {
        grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
        gap: var(--spacing-lg);
        max-width: 800px;
    }

    .catalog-card-header {
        padding: var(--spacing-lg) var(--spacing-md) var(--spacing-sm);
    }

    .catalog-card-logo {
        width: 60px;
        height: 60px;
    }

    .catalog-card-logo img {
        max-width: 45px;
        max-height: 45px;
    }

    .catalog-card-title {
        font-size: 1rem;
    }

    .catalog-card-content {
        padding: 0 var(--spacing-md) var(--spacing-md);
    }

    .catalog-card-button {
        padding: var(--spacing-xs) var(--spacing-sm);
        font-size: 0.8125rem;
    }

    .catalog-card-button-icon {
        width: 14px;
        height: 14px;
    }

    .products-grid {
        grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
        gap: var(--spacing-md);
    }

    .product-card-image {
        height: 160px;
    }

    .search-container {
        max-width: 100%;
    }
}

@media (max-width: 480px), (max-height: 900px) {
    .catalogs-grid {
        grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
        gap: var(--spacing-md);
        padding: 0;
    }

    .catalog-card-header {
        padding: var(--spacing-md) var(--spacing-md) var(--spacing-sm);
    }

    .catalog-card-logo {
        width: 100px;
        height: 100px;
        margin-bottom: var(--spacing-sm);
    }

    .catalog-card-logo img {
        max-width: 100px;
        max-height: 100px;
    }

    .catalog-card-title {
        font-size: 0.9375rem;
    }

    .catalog-card-content {
        padding: 0 var(--spacing-md) var(--spacing-md);
    }

    .catalog-card-description {
        font-size: 0.8125rem;
        margin-bottom: var(--spacing-sm);
    }

    .catalog-card-button {
        padding: var(--spacing-xs) var(--spacing-sm);
        font-size: 0.75rem;
    }

    .catalog-card-button-icon {
        width: 12px;
        height: 12px;
    }

    .products-grid {
        grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    }

    .product-card-footer {
        flex-direction: column;
        align-items: stretch;
    }

    .product-card-button {
        width: 100%;
        text-align: center;
    }

    .search-container {
        max-width: 100%;
        position: relative;
        display: flex;
        align-items: center;
        background: white;
        border: 1px solid #ddd;
        border-radius: 8px;
        padding: 0;
    }

    .search-icon {
        color: #666;
    }

    .search-input {
        flex: 1;
        border: none;
        outline: none;
        padding: 12px 50px;
        font-size: 16px;
        background: transparent;
    }

    .search-buttons {
        display: flex;
        align-items: center;
        gap: 4px;
        padding: 4px;
    }

    .search-action-btn {
        display: flex;
        align-items: center;
        justify-content: center;
        width: 36px;
        height: 36px;
        border: none;
        border-radius: 6px;
        background: transparent;
        cursor: pointer;
        transition: background-color 0.2s;
    }

    .search-action-btn:hover {
        background-color: #f5f5f5;
    }

    .clear-btn svg {
        color: #666;
    }

    .scan-btn svg {
        color: var(--color-catalog);
    }
}



/* ===================================
   FOOTER
   =================================== */

.footer {
    background-color: white;
    border-top: 1px solid var(--color-gray-200);
    padding: var(--spacing-xl) 0;
    margin-top: auto;
    text-align: center;
}

.footer-text {
    color: var(--color-gray-600);
    font-size: 0.875rem;
    margin: 0;
}

/* ===================================
   PRODUCT MODAL
   =================================== */

.product-modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(4px);
}

.product-modal.show {
    display: flex;
    align-items: center;
    justify-content: center;
}

.product-modal-content {
    background-color: white;
    border-radius: var(--border-radius-lg);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.2);
    height: 100%;
    overflow-y: auto;
    position: relative;
    animation: modalSlideIn 0.3s ease-out;
}

@keyframes modalSlideIn {
    from {
        opacity: 0;
        transform: translate3d(0, -30px, 0) scale(0.95);
    }
    to {
        opacity: 1;
        transform: translate3d(0, 0, 0) scale(1);
    }
}

.product-modal-header {
    position: sticky;
    top: 0;
    background: white;
    padding: var(--spacing-lg);
    z-index: 10;
    border-radius: var(--border-radius-lg) var(--border-radius-lg) 0 0;
}

.product-modal-close {
    position: absolute;
    right: var(--spacing-md);
    top: 50%;
    background: none;
    border: none;
    font-size: 2.5rem;
    cursor: pointer;
    color: var(--color-gray-600);
    width: 32px;
    height: 32px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s;
}

.product-modal-close:hover {
    background-color: var(--color-gray-100);
    color: var(--color-gray-800);
}

.product-modal-body {
    display: grid;
    grid-template-columns: 300px 1fr;
    gap: var(--spacing-xl);
    padding: var(--spacing-xl);
}

.product-modal-image {
    position: sticky;
    top: var(--spacing-xl);
    height: fit-content;
}

.product-modal-image img {
    width: 100%;
    height: auto;
    border-radius: var(--border-radius-md);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1);
}

.product-modal-info {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.product-modal-title-section h2 {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--color-gray-900);
    margin: 0 0 var(--spacing-sm) 0;
    line-height: 1.2;
}

.product-modal-category {
    color: var(--color-primary);
    font-weight: 600;
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin: 0 0 var(--spacing-md) 0;
}

.product-modal-meta {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
    padding: var(--spacing-md);
    background-color: var(--color-gray-50);
    border-radius: var(--border-radius-md);
    font-size: 0.875rem;
}

.product-modal-meta span {
    color: var(--color-gray-700);
    padding: var(--spacing-xs) var(--spacing-sm);
    background-color: white;
    border-radius: var(--border-radius-sm);
    border: 1px solid var(--color-gray-200);
}

.product-modal-section {
    border-bottom: 1px solid var(--color-gray-200);
    padding-bottom: var(--spacing-lg);
}

.product-modal-section:last-child {
    border-bottom: none;
    padding-bottom: 0;
}

.product-modal-section h3 {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--color-gray-900);
    margin: 0 0 var(--spacing-md) 0;
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.product-modal-section p {
    color: var(--color-gray-700);
    line-height: 1.6;
    margin: 0;
}

.product-storage-section {
    margin-top: var(--spacing-lg);
}

.product-benefits-list {
    font-size: 0.875rem;
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.product-benefits-list li {
    color: var(--color-gray-700);
    padding: var(--spacing-sm);
    background-color: var(--color-success-50);
    border-left: 3px solid var(--color-success-500);
    border-radius: 0 var(--border-radius-sm) var(--border-radius-sm) 0;
    position: relative;
}

.product-benefits-list li:before {
    content: "✓";
    color: var(--color-success-600);
    font-weight: 700;
    margin-right: var(--spacing-sm);
}

.product-storage-list {
    font-size: 0.875rem;
    padding-left: 1.5rem;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.product-modal-expandable {
    border: 1px solid var(--color-gray-200);
    border-radius: var(--border-radius-md);
    overflow: hidden;
}

.expand-button {
    width: 100%;
    background: var(--color-gray-50);
    border: none;
    padding: var(--spacing-md);
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
    font-weight: 500;
    color: var(--color-gray-800);
    transition: background-color 0.2s;
}

.expand-button:hover {
    background: var(--color-gray-100);
}

.expand-icon {
    transition: transform 0.3s ease;
}

.expand-button.expanded .expand-icon {
    transform: rotate(180deg);
}

.expandable-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
}

.expandable-content.expanded {
    max-height: 500px;
    padding: var(--spacing-md);
    background: white;
    overflow-y: auto;
}

.feeding-guide,
.technical-info {
    display: grid;
    gap: var(--spacing-sm);
}

.feeding-row,
.technical-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-md);
    padding: var(--spacing-sm);
    background: var(--color-gray-50);
    border-radius: var(--border-radius-sm);
}

.feeding-label,
.technical-label {
    font-weight: 600;
    color: var(--color-gray-800);
}

.feeding-value,
.technical-value {
    color: var(--color-gray-700);
}

.storage-info p {
    margin: var(--spacing-sm) 0;
    color: var(--color-gray-700);
    display: flex;
    padding-left: 1.5rem;
    align-items: center;
    gap: var(--spacing-sm);
}

/* Mobile styles for modal */
@media (max-width: 768px) {
    .product-modal-content {
        width: 100%;
        height: 100%;
        margin: var(--spacing-md);
    }

    .product-modal-body {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
        padding: var(--spacing-lg);
    }

    .product-modal-image {
        position: static;
    }

    .product-modal-title-section h2 {
        font-size: 1.5rem;
    }

    .expandable-content.expanded {
        max-height: 300px;
    }
}

@media (max-width: 480px) {
    .product-modal-body {
        padding: var(--spacing-md);
    }

    .product-modal-meta {
        flex-direction: column;
        gap: var(--spacing-xs);
    }

    .feeding-row,
    .technical-row {
        grid-template-columns: 1fr;
        gap: var(--spacing-xs);
    }
}

/* ===================================
   BOTÓN DE ESCÁNER y limpiar
   =================================== */

.scanner-button,
.clear-button {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm);
    margin: var(--spacing-sm);
    border-radius: var(--border-radius-lg);
    font-weight: 700;
    font-size: 0.875rem;
    transition: all var(--transition-base);
    box-shadow: var(--shadow-lg);
}

.scanner-button:hover,
.clear-button:hover {
    opacity: 0.9;
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.scanner-button svg,
.clear-button svg {
    width: 20px;
    height: 20px;
}

/* ===================================
   MODAL DEL ESCÁNER
   =================================== */

.scanner-modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 9999;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-lg);
}

.scanner-modal-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0, 0, 0, 0.75);
    backdrop-filter: blur(4px);
}

.scanner-modal-content {
    position: relative;
    background: white;
    border-radius: var(--border-radius-xl);
    max-width: 600px;
    width: 100%;
    max-height: 90vh;
    overflow: hidden;
    box-shadow: var(--shadow-xl);
    display: flex;
    flex-direction: column;
    animation: modalSlideUp 0.3s ease;
}

@keyframes modalSlideUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.scanner-modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-lg);
    border-bottom: 1px solid var(--color-gray-200);
    background-color: var(--color-gray-50);
}

.scanner-modal-title {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--color-gray-900);
    margin: 0;
}

.scanner-modal-title svg {
    color: var(--color-catalogo);
}

.scanner-modal-close {
    padding: var(--spacing-sm);
    background: transparent;
    border-radius: var(--border-radius-md);
    color: var(--color-gray-600);
    transition: all var(--transition-fast);
    display: flex;
    align-items: center;
    justify-content: center;
}

.scanner-modal-close:hover {
    background-color: var(--color-gray-100);
    color: var(--color-gray-900);
}

.scanner-modal-body {
    padding: var(--spacing-lg);
    overflow-y: auto;
    flex: 1;
}

/* ===================================
   VIDEO DEL ESCÁNER
   =================================== */

.scanner-video-container {
    position: relative;
    width: 100%;
    aspect-ratio: 4 / 3;
    background-color: #000;
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    margin-bottom: var(--spacing-lg);
    border: 2px solid var(--color-gray-300);
}

.scanner-video {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 8px;
    background: #000;
}

.scanner-overlay {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 80%;
    height: 60%;
    border: 3px solid rgba(59, 130, 246, 0.8);
    border-radius: var(--border-radius-md);
    box-shadow:
        0 0 0 9999px rgba(0, 0, 0, 0.5),
        inset 0 0 20px rgba(59, 130, 246, 0.3);
    pointer-events: none;
}

.scanner-line {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg,
            transparent,
            rgba(59, 130, 246, 1),
            transparent);
    animation: scanLine 2s ease-in-out infinite;
}

@keyframes scanLine {

    0%,
    100% {
        transform: translateY(0);
        opacity: 0;
    }

    50% {
        opacity: 1;
    }

    100% {
        transform: translateY(calc(60vh * 0.6));
        opacity: 0;
    }
}

.scanner-status {
    position: absolute;
    bottom: var(--spacing-lg);
    left: 50%;
    transform: translateX(-50%);
    background-color: var(--color-primary);
    color: white;
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: var(--border-radius-md);
    font-size: 0.875rem;
    font-weight: 500;
    box-shadow: var(--shadow-md);
    white-space: nowrap;
    max-width: 90%;
    text-align: center;
    transition: all var(--transition-base);
}

/* ===================================
   SELECTOR DE CÁMARA
   =================================== */

.camera-selector-container {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
    padding: var(--spacing-md);
    background-color: var(--color-gray-50);
    border-radius: var(--border-radius-md);
}

.camera-selector-label {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-gray-700);
    white-space: nowrap;
}

.camera-selector {
    flex: 1;
    padding: var(--spacing-sm) var(--spacing-md);
    border: 1px solid var(--color-gray-300);
    border-radius: var(--border-radius-md);
    font-size: 0.875rem;
    background-color: white;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.camera-selector:focus {
    outline: none;
    border-color: var(--color-catalogo);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

/* ===================================
   INSTRUCCIONES Y RESULTADO
   =================================== */

.scanner-instructions {
    background-color: var(--color-gray-50);
    padding: var(--spacing-lg);
    border-radius: var(--border-radius-md);
    margin-bottom: var(--spacing-lg);
}

.scanner-instructions p {
    margin: 0;
    padding: var(--spacing-sm) 0;
    font-size: 0.875rem;
    color: var(--color-gray-700);
    line-height: 1.6;
}

.scanner-result {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-lg);
    background-color: #dcfce7;
    border: 2px solid var(--color-success);
    border-radius: var(--border-radius-md);
    animation: resultFadeIn 0.3s ease;
}

@keyframes resultFadeIn {
    from {
        opacity: 0;
        transform: scale(0.95);
    }

    to {
        opacity: 1;
        transform: scale(1);
    }
}

.scanner-result-icon {
    width: 40px;
    height: 40px;
    background-color: var(--color-success);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    flex-shrink: 0;
}

.scanner-result-text {
    flex: 1;
    font-size: 0.875rem;
    color: var(--color-gray-900);
}

.scanner-result-text strong {
    display: block;
    font-size: 1rem;
    margin-top: var(--spacing-xs);
    color: var(--color-success);
    font-weight: 600;
}

/* ===================================
   RESPONSIVE - MODAL ESCÁNER
   =================================== */

@media (max-width: 768px) {
    .scanner-modal {
        padding: 0;
    }

    .scanner-modal-content {
        max-width: 100%;
        max-height: 100vh;
        border-radius: 0;
    }

    .scanner-video-container {
        aspect-ratio: 3 / 4;
        border-radius: 0;
    }

    .scanner-overlay {
        width: 85%;
        height: 50%;
    }

    .camera-selector-container {
        flex-direction: column;
        align-items: stretch;
    }

    .camera-selector-label {
        justify-content: center;
    }
}

/* ===================================
   UTILIDADES
   =================================== */

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

.mt-xl {
    margin-top: var(--spacing-xl);
}

.mb-xl {
    margin-bottom: var(--spacing-xl);
}