:root {
    --bg-color: #ffffff;
    --text-primary: #1a1a1a;
    /* Black/Dark Grey */
    --text-secondary: #666666;

    /* Brand Colors from operadistribuciones.com */
    --accent-color: #50ADBF;
    /* Teal/Turquoise - Primary Buttons & Highlights */
    --accent-hover: #4095a5;
    --highlight-color: #E8CA9B;
    /* Beige/Gold - Badges & Secondary Accents */

    --border-color: #e5e5e5;
    --light-bg: #f9f9f9;
    --danger-color: #ef4444;

    --font-main: 'Inter', sans-serif;

    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;

    --transition: all 0.3s ease;
    --radius: 8px;
    --shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
}

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

body {
    font-family: var(--font-main);
    color: var(--text-primary);
    background-color: var(--bg-color);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

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

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

.container {
    width: 96%;
    max-width: 1600px;
    margin: 0 auto;
}

/* Header */
header {
    padding: var(--spacing-sm) 0;
    position: sticky;
    top: 0;
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
    z-index: 100;
    border-bottom: 1px solid transparent;
    transition: var(--transition);
}

header.scrolled {
    border-color: var(--border-color);
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    text-decoration: none;
    letter-spacing: -0.05em;
}

.icon-btn {
    position: relative;
    font-size: 1.5rem;
    padding: 0.5rem;
    transition: var(--transition);
}

.icon-btn:hover {
    transform: scale(1.1);
}

/* Header Pagination */
.header-pagination {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    background: var(--light-bg);
    padding: 0.2rem 0.5rem;
    border-radius: 50px;
    border: 1px solid var(--border-color);
}

.page-btn {
    background: none;
    border: none;
    cursor: pointer;
    font-size: 1.2rem;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0.2rem;
    border-radius: 50%;
    transition: var(--transition);
}

.page-btn:hover:not(:disabled) {
    background: white;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.page-btn:disabled {
    color: var(--text-secondary);
    opacity: 0.5;
    cursor: not-allowed;
}

#page-info {
    font-size: 0.9rem;
    font-weight: 500;
    min-width: 40px;
    text-align: center;
}

.badge {
    position: absolute;
    top: 0;
    right: 0;
    background: var(--accent-color);
    color: white;
    font-size: 0.7rem;
    font-weight: 600;
    height: 18px;
    width: 18px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Hero Section */
#hero {
    padding: var(--spacing-lg) 0;
    text-align: center;
}

#hero h1 {
    font-size: 3rem;
    line-height: 1.1;
    margin-bottom: var(--spacing-sm);
    letter-spacing: -0.03em;
}

#hero p {
    color: var(--text-secondary);
    font-size: 1.1rem;
}

/* Filters Section */
.filter-wrapper {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

@media (min-width: 768px) {
    .filter-wrapper {
        flex-direction: row;
        justify-content: space-between;
        align-items: center;
    }

    .search-box {
        max-width: 300px;
    }

    .filter-dropdown {
        width: auto;
    }

    .filter-btn {
        width: auto;
    }
}

.search-box {
    position: relative;
    width: 100%;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    /* Separate them */
}

#search-input {
    width: 100%;
    padding: 0.8rem 1rem;
    border: 1px solid var(--border-color);
    /* Restore full border */
    border-radius: var(--radius);
    /* Restore border radius */
    font-family: inherit;
    font-size: 1rem;
    transition: var(--transition);
}

.search-btn {
    padding: 0.8rem 1.2rem;
    background: var(--accent-color);
    color: white;
    border: 1px solid var(--accent-color);
    border-radius: var(--radius);
    /* Restore border radius */
    cursor: pointer;
    font-size: 1.2rem;
    transition: var(--transition);
}

.search-btn:hover {
    background: #a60e33;
    /* Darker shade of accent */
}

#search-input:focus {
    outline: none;
    border-color: var(--text-primary);
    box-shadow: 0 0 0 2px rgba(0, 0, 0, 0.05);
}

.search-options {
    display: flex;
    align-items: center;
}

.sort-checkbox {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.9rem;
    color: var(--text-primary);
    cursor: pointer;
    user-select: none;
}

.sort-checkbox input {
    accent-color: var(--accent-color);
    width: 16px;
    height: 16px;
    cursor: pointer;
}

/* Active Filters & Container */
.filter-container {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    align-items: center;
}

.active-filters {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    flex: 1;
    /* Allow it to take up remaining space */
}

.active-tag {
    background: var(--light-bg);
    color: var(--accent-color);
    padding: 0.3rem 0.8rem;
    border-radius: 50px;
    font-size: 0.85rem;
    border: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    gap: 0.3rem;
    cursor: pointer;
    transition: var(--transition);
    white-space: nowrap;
    /* Prevent text wrap inside tag */
}

.active-tag:hover {
    background: #ffebeb;
    border-color: var(--danger-color);
    color: var(--danger-color);
}

.active-tag i {
    font-size: 1rem;
}

/* Filter Dropdown styles handled above in media queries section base styles */

.filter-btn {
    padding: 0.8rem 1.5rem;
    background: white;
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    font-size: 1rem;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
    transition: var(--transition);
    /* Width handled by mobile rule above: 100% */
}

.filter-btn:hover {
    border-color: var(--text-primary);
}

.dropdown-content {
    display: none;
    position: absolute;
    right: 0;
    /* Align right on larger screens if needed, or left */
    top: 100%;
    margin-top: 5px;
    background-color: white;
    min-width: 250px;
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.1);
    z-index: 10;
    border-radius: var(--radius);
    padding: 0.5rem 0;
    border: 1px solid var(--border-color);
    max-height: 400px;
    overflow-y: auto;
}

.dropdown-content.show {
    display: block;
}

.filter-item {
    display: flex;
    align-items: center;
    padding: 0.8rem 1.2rem;
    cursor: pointer;
    transition: background-color 0.2s;
    user-select: none;
}

.filter-item:hover {
    background-color: var(--light-bg);
}

.filter-item input {
    margin-right: 10px;
    accent-color: var(--accent-color);
    width: 18px;
    height: 18px;
    cursor: pointer;
}

.filter-item span {
    font-size: 0.95rem;
}


/* Products Grid */
.grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.product-card {
    background: var(--bg-color);
    border-radius: var(--radius);
    overflow: hidden;
    transition: var(--transition);
    border: 1px solid transparent;
}

.product-card:hover {
    box-shadow: var(--shadow);
    transform: translateY(-5px);
}

.product-image {
    aspect-ratio: 1;
    background: var(--light-bg);
    overflow: hidden;
    position: relative;
}

.carousel-slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0;
    transition: opacity 0.5s ease, transform 0.5s ease;
    z-index: 1;
}

.carousel-slide.active {
    opacity: 1;
    z-index: 2;
}

.product-card:hover .carousel-slide.active {
    transform: scale(1.05);
}

.carousel-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(255, 255, 255, 0.9);
    border: none;
    border-radius: 50%;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    z-index: 3;
    opacity: 0;
    transition: all 0.3s ease;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
    font-size: 1.2rem;
    color: var(--text-primary);
}

.product-image:hover .carousel-btn,
.modal-image-container:hover .carousel-btn {
    opacity: 1;
}

.carousel-btn:hover {
    background: white;
    transform: translateY(-50%) scale(1.1);
    color: var(--accent-color);
}

.carousel-btn.prev {
    left: 10px;
}

.carousel-btn.next {
    right: 10px;
}

.carousel-dots {
    position: absolute;
    bottom: 15px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 6px;
    z-index: 3;
}

.dot {
    width: 8px;
    height: 8px;
    background: rgba(255, 255, 255, 0.6);
    border-radius: 50%;
    cursor: pointer;
    transition: all 0.3s ease;
    border: 1px solid rgba(0, 0, 0, 0.05);
}

.dot:hover {
    background: rgba(255, 255, 255, 0.9);
}

.dot.active {
    background: var(--accent-color);
    transform: scale(1.2);
    border-color: transparent;
}

.product-info {
    padding: var(--spacing-sm) 0;
}

.product-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 0.5rem;
}

.product-title {
    font-size: 1rem;
    font-weight: 500;
}

.product-price {
    font-weight: 600;
    color: var(--text-primary);
}

.product-stock {
    font-size: 0.75rem;
    color: #198754;
    /* Green shade */
    background-color: #d1e7dd;
    padding: 0.2rem 0.6rem;
    border-radius: 12px;
    font-weight: 600;
}

.product-header-sub {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.5rem;
}

.product-desc {
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-xs);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.product-attributes {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: var(--spacing-sm);
    font-size: 0.75rem;
    color: var(--text-secondary);
}

.attr-item {
    background: var(--light-bg);
    padding: 2px 6px;
    border-radius: 4px;
    display: flex;
    align-items: center;
    gap: 3px;
}

.product-extras {
    margin-bottom: var(--spacing-sm);
    border-top: 1px dashed var(--border-color);
    padding-top: var(--spacing-xs);
}

.extras-title {
    font-size: 0.75rem;
    text-transform: uppercase;
    font-weight: 700;
    margin-bottom: 0.5rem;
    color: var(--accent-color);
    letter-spacing: 0.05em;
    display: flex;
    align-items: center;
    gap: 0.3rem;
}

.extras-title::before {
    content: '';
    display: block;
    width: 6px;
    height: 6px;
    background: var(--accent-color);
    border-radius: 50%;
}

.extras-list {
    list-style: none;
    padding-left: 0;
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem;
}

.extras-list li {
    font-size: 0.7rem;
    background: #fff0f3;
    /* Very light tint of brand red */
    color: var(--accent-color);
    padding: 0.2rem 0.6rem;
    border-radius: 12px;
    border: 1px solid rgba(166, 14, 51, 0.2);
    font-weight: 500;
}

.btn-add {
    width: 100%;
    padding: 0.8rem;
    background: var(--light-bg);
    color: var(--text-primary);
    font-weight: 500;
    border-radius: var(--radius);
    transition: var(--transition);
    border: 1px solid var(--border-color);
}

.btn-add:hover {
    background: var(--accent-color);
    color: white;
    border-color: var(--accent-color);
}

.cart-total {
    display: flex;
    justify-content: space-between;
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

.btn-primary {
    width: 100%;
    padding: 1rem;
    background: #25D366;
    color: white;
    font-weight: 600;
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    transition: var(--transition);
}

.btn-primary:hover:not(:disabled) {
    background: #128C7E;
}

.btn-primary:disabled {
    background: var(--border-color);
    cursor: not-allowed;
}

/* Cart Sidebar */
.overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.3);
    backdrop-filter: blur(2px);
    z-index: 1000;
    opacity: 0;
    pointer-events: none;
    transition: var(--transition);
}

.overlay.active {
    opacity: 1;
    pointer-events: all;
}

.sidebar {
    position: fixed;
    top: 0;
    right: -100%;
    width: 100%;
    max-width: 400px;
    height: 100%;
    background: var(--bg-color);
    z-index: 1001;
    transition: var(--transition);
    display: flex;
    flex-direction: column;
    box-shadow: -5px 0 30px rgba(0, 0, 0, 0.1);
}

.sidebar.active {
    right: 0;
}

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

.cart-items {
    flex: 1;
    overflow-y: auto;
    padding: var(--spacing-md);
}

.cart-item {
    display: flex;
    gap: 1rem;
    margin-bottom: 1.5rem;
    animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }

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

.cart-item-img {
    width: 70px;
    height: 70px;
    object-fit: cover;
    border-radius: 4px;
    background: var(--light-bg);
}

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

.cart-item-title {
    font-size: 0.9rem;
    font-weight: 500;
    margin-bottom: 0.25rem;
}

.cart-item-price {
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
}

.cart-controls {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.qty-controls {
    display: flex;
    align-items: center;
    border: 1px solid var(--border-color);
    border-radius: 4px;
}

.qty-btn {
    padding: 0.2rem 0.6rem;
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.qty-btn:hover {
    color: var(--accent-color);
}

.modal-price-stock {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1rem;
}

.modal-stock {
    font-size: 0.9rem;
    color: #198754;
    background-color: #d1e7dd;
    padding: 0.3rem 0.8rem;
    border-radius: 20px;
    font-weight: 600;
}



/* Sub-products styles */
.sub-products-container {
    margin-top: 1rem;
    padding-top: 0.8rem;
    border-top: 1px dashed var(--border-color);
}

.sub-products-title {
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.sub-products-list {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    max-height: 300px;
    /* Show approx 6 items */
    overflow-y: auto;
}

.sub-product-item {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    background: var(--light-bg);
    padding: 0.5rem;
    border-radius: 6px;
    border: 1px solid transparent;
    transition: var(--transition);
}

.sub-product-item:hover {
    background: white;
    border-color: var(--border-color);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
}

.sub-product-image {
    width: 40px;
    height: 40px;
    object-fit: cover;
    border-radius: 4px;
    background: #fff;
    flex-shrink: 0;
}

.sub-product-info {
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.sub-product-name {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.sub-product-desc {
    font-size: 0.75rem;
    color: var(--text-secondary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* Allow full text in modal */
.modal-details .sub-product-desc {
    white-space: normal;
}

/* Modal Grid Styles */
.modal-products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
    gap: 1rem;
    max-height: 400px;
    /* Taller scroll area for cards */
    padding: 0.5rem;
}

.modal-products-grid .sub-product-item.card-style {
    flex-direction: column;
    align-items: flex-start;
    text-align: left;
    height: 100%;
    padding: 0.8rem;
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow);
}

.modal-products-grid .sub-product-image {
    width: 100%;
    height: 120px;
    object-fit: contain;
    /* Keep aspect ratio visible */
    margin-bottom: 0.5rem;
    border-radius: 4px;
}

.modal-products-grid .sub-product-name {
    font-size: 0.9rem;
    margin-bottom: 0.25rem;
}

.modal-products-grid .sub-product-desc {
    font-size: 0.8rem;
    color: var(--text-secondary);
}

.qty-input {
    font-size: 0.9rem;
    width: 40px;
    text-align: center;
    border: none;
    -moz-appearance: textfield;
}

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

.remove-btn {
    font-size: 0.8rem;
    color: var(--text-secondary);
    text-decoration: underline;
}

.remove-btn:hover {
    color: var(--danger-color);
}

.cart-footer {
    padding: var(--spacing-md);
    border-top: 1px solid var(--border-color);
    background: var(--bg-color);
}

/* Responsive */
@media (max-width: 768px) {
    #hero h1 {
        font-size: 2.5rem;
    }

    .sidebar {
        width: 85%;
    }
}

/* Loading Spinner */
.loading-container {
    grid-column: 1 / -1;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 3rem;
}

.loader {
    width: 48px;
    height: 48px;
    border: 5px solid var(--border-color);
    border-bottom-color: var(--accent-color);
    border-radius: 50%;
    display: inline-block;
    box-sizing: border-box;
    animation: rotation 1s linear infinite;
}

@keyframes rotation {
    0% {
        transform: rotate(0deg);
    }

    100% {
        transform: rotate(360deg);
    }
}

@media (max-width: 768px) {
    #hero h1 {
        font-size: 2.5rem;
    }

    .sidebar {
        width: 85%;
    }
}

/* Modal */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(5px);
    z-index: 1100;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    pointer-events: none;
    transition: var(--transition);
}

.modal-overlay.active {
    opacity: 1;
    pointer-events: all;
}

.modal-content {
    background: var(--bg-color);
    width: 95%;
    max-width: 1200px;
    max-height: 90vh;
    border-radius: var(--radius);
    position: relative;
    overflow-y: auto;
    box-shadow: var(--shadow);
    transform: translateY(20px);
    transition: var(--transition);
    padding: var(--spacing-md);
}

.modal-overlay.active .modal-content {
    transform: translateY(0);
}

.modal-close {
    position: absolute;
    top: 15px;
    right: 15px;
    font-size: 1.5rem;
    color: var(--text-secondary);
    z-index: 10;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: var(--light-bg);
}

.modal-close:hover {
    background: var(--danger-color);
    color: white;
}

.modal-body {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
}

@media (min-width: 768px) {
    .modal-body {
        grid-template-columns: 1fr 1fr;
    }
}

.modal-image-container {
    background: var(--light-bg);
    border-radius: var(--radius);
    overflow: hidden;
    position: relative;
    /* For absolute positioning of slides */
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 600px;
    /* Ensure height for carousel */
}

.modal-image-container .carousel-slide {
    object-fit: contain;
    /* Better for modal viewing */
    max-height: 100%;
    max-width: 100%;
}

.modal-details {
    display: flex;
    flex-direction: column;
}

.modal-title {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
}

.modal-price {
    font-size: 1.5rem;
    color: var(--accent-color);
    font-weight: 600;
}

.btn-view-modal {
    background: none;
    border: none;
    cursor: pointer;
    color: var(--text-secondary);
    font-size: 1.2rem;
    padding: 0.2rem;
    border-radius: 4px;
    transition: var(--transition);
    margin-left: 0.5rem;
}

.btn-view-modal:hover {
    color: var(--accent-color);
    background: var(--light-bg);
}

/* Mobile Search Toggle Logic */
.search-toggle {
    display: none;
    margin-right: 0.5rem;
}

@media (max-width: 768px) {
    .search-toggle {
        display: block;
    }

    #filters {
        display: none;
        padding-top: 1rem;
        padding-bottom: 1rem;
        border-bottom: 1px solid var(--border-color);
        background: var(--light-bg);
        margin-bottom: 1rem;
        animation: slideDown 0.3s ease;
    }

    #filters.active {
        display: block;
    }

    @keyframes slideDown {
        from {
            opacity: 0;
            transform: translateY(-10px);
        }

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