:root {
    --primary-color: #000;
    --secondary-color: #fff;
    --bg-color: #f8f9fa;
    --text-color: #333;
    --card-bg: #fff;
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, .1), 0 2px 4px -1px rgba(0, 0, 0, .06);
    --radius: 12px;
    --font-family: 'Inter', sans-serif
}

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

body {
    font-family: var(--font-family);
    background-color: var(--bg-color);
    color: var(--text-color);
    -webkit-font-smoothing: antialiased
}

header {
    background-color: var(--card-bg);
    padding: 1rem 2rem;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: var(--shadow);
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
    flex-wrap: wrap
}

.header-left {
    display: flex;
    align-items: center;
    flex-shrink: 0;
    order: 1
}

.header-right {
    display: flex;
    align-items: center;
    gap: 1rem;
    flex-shrink: 0;
    order: 2;
    margin-left: auto
}

.logo-container {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 700;
    font-size: 1.2rem
}

.logo-text {
    white-space: nowrap
}

.logo-img {
    height: 40px;
    width: auto
}

.sede-indicator {
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: .5rem;
    padding: .5rem 1rem;
    background: rgba(0, 0, 0, .05);
    border-radius: 8px;
    transition: all .3s;
    font-size: .85rem;
    font-weight: 500;
    color: var(--text-color);
    white-space: nowrap
}

.sede-indicator:hover {
    background: rgba(0, 0, 0, .1);
    transform: translateY(-1px)
}

.sede-name-text {
    display: inline
}

.cart-icon {
    position: relative;
    cursor: pointer;
    padding: 8px;
    transition: transform .2s ease
}

.cart-count {
    position: absolute;
    top: 0;
    right: 0;
    background-color: var(--primary-color);
    color: #fff;
    font-size: .75rem;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center
}

.search-container {
    flex: 1 1 100%;
    max-width: 100%;
    margin: 0;
    order: 3
}

.search-input {
    width: 100%;
    padding: .8rem 1rem;
    border: 1px solid #ddd;
    border-radius: 20px;
    font-size: .95rem;
    outline: 0;
    transition: all .3s
}

.search-input:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 2px rgba(0, 0, 0, .05)
}

.categories-nav {
    padding: 1rem 2rem;
    overflow-x: auto;
    white-space: nowrap;
    background: var(--bg-color);
    scrollbar-width: thin;
    scrollbar-color: var(--primary-color) #eee
}

.categories-nav::-webkit-scrollbar {
    height: 8px
}

.categories-nav::-webkit-scrollbar-track {
    background: #eee;
    border-radius: 4px
}

.categories-nav::-webkit-scrollbar-thumb {
    background-color: var(--primary-color);
    border-radius: 4px
}

.category-btn {
    display: inline-block;
    padding: .5rem 1.5rem;
    margin-right: 10px;
    background: var(--card-bg);
    border: 1px solid #eee;
    border-radius: 20px;
    cursor: pointer;
    transition: all .3s ease;
    font-size: .9rem
}

.category-btn.active,
.category-btn:hover {
    background-color: var(--primary-color);
    color: #fff;
    border-color: var(--primary-color)
}

.view-controls {
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
    background: var(--bg-color)
}

.sort-selector {
    display: flex;
    align-items: center;
    gap: .5rem;
    background: var(--card-bg);
    padding: .5rem .75rem;
    border-radius: 8px;
    box-shadow: var(--shadow);
    border: 1px solid #eee;
    transition: all .3s
}

.sort-icon {
    flex-shrink: 0;
    color: var(--text-color);
    stroke: var(--text-color)
}

.sort-dropdown {
    border: none;
    background: transparent;
    font-size: .9rem;
    font-family: var(--font-family);
    color: var(--text-color);
    cursor: pointer;
    outline: none;
    padding: 0;
    padding-right: 1.5rem;
    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 12'%3E%3Cpath fill='%23333' d='M6 9L1 4h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right center;
    min-width: 180px
}

.sort-dropdown:hover {
    color: var(--primary-color)
}

.sort-selector:hover {
    border-color: var(--primary-color)
}

.sort-selector:hover .sort-icon {
    stroke: var(--primary-color)
}

.view-toggle {
    display: flex;
    gap: .5rem;
    background: var(--card-bg);
    padding: .25rem;
    border-radius: 8px;
    box-shadow: var(--shadow)
}

.view-toggle-btn {
    padding: .5rem;
    background: 0 0;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    transition: all .2s;
    display: flex;
    align-items: center;
    justify-content: center
}

.view-toggle-btn:hover {
    background: rgba(0, 0, 0, .05)
}

.view-toggle-btn.active {
    background: var(--primary-color);
    color: #fff
}

.view-toggle-btn.active svg {
    stroke: #fff
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 2rem;
    padding: 2rem;
    max-width: 1200px;
    margin: 0 auto
}

.products-grid.grid-2 {
    grid-template-columns: repeat(auto-fill, minmax(400px, 1fr))
}

.product-card {
    background: var(--card-bg);
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: transform .3s ease;
    cursor: pointer;
    display: flex;
    flex-direction: column
}

.product-card:hover {
    transform: translateY(-5px)
}

.product-image {
    width: 100%;
    height: 200px;
    object-fit: contain;
    background-color: #f5f5f5;
    padding: 1rem
}

.products-grid.grid-2 .product-image {
    height: 300px;
    padding: 1.5rem
}

.product-info {
    padding: 1rem;
    flex-grow: 1;
    display: flex;
    flex-direction: column
}

.product-code {
    font-size: .75rem;
    color: #999;
    margin-bottom: .25rem;
    font-weight: 500
}

.product-title {
    font-weight: 600;
    margin-bottom: .5rem
}

.product-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: .8rem;
    margin-bottom: .5rem;
    gap: .5rem
}

.product-unit {
    background: linear-gradient(135deg, #4facfe 0, #00f2fe 100%);
    color: #fff;
    padding: .25rem .6rem;
    border-radius: 6px;
    font-weight: 600;
    font-size: .75rem;
    letter-spacing: .5px;
    text-transform: uppercase
}

.product-stock {
    padding: .25rem .6rem;
    border-radius: 6px;
    font-weight: 600;
    font-size: .75rem
}

.product-stock.in-stock {
    background: linear-gradient(135deg, #11998e 0, #38ef7d 100%);
    color: #fff
}

.product-stock.out-of-stock {
    background: linear-gradient(135deg, #eb3349 0, #f45c43 100%);
    color: #fff
}

.product-price {
    color: var(--primary-color);
    font-weight: 700;
    font-size: 1.1rem;
    margin-top: auto
}

.product-actions {
    padding: 1rem;
    margin-top: auto;
    display: flex;
    gap: 10px;
    align-items: center
}

.qty-selector {
    display: flex;
    align-items: center;
    border: 1px solid var(--primary-color);
    border-radius: 8px;
    overflow: hidden;
    height: 40px;
    flex-shrink: 0
}

.qty-btn {
    background: var(--primary-color);
    border: none;
    width: 30px;
    height: 100%;
    font-weight: 600;
    cursor: pointer;
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: opacity .2s
}

.qty-btn:hover {
    opacity: .9
}

.qty-btn:disabled {
    opacity: .5;
    cursor: not-allowed
}

.qty-input {
    width: 40px;
    height: 100%;
    border: none;
    text-align: center;
    font-weight: 600;
    appearance: textfield;
    -moz-appearance: textfield;
    -webkit-appearance: textfield;
    font-size: .9rem;
    color: var(--text-color)
}

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

.qty-input:disabled {
    background: #f5f5f5;
    cursor: not-allowed
}

.add-to-cart-btn {
    flex-grow: 1;
    height: 40px;
    padding: 0 1rem;
    background: var(--primary-color);
    color: #fff;
    border: none;
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
    transition: opacity .2s;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 5px
}

.add-to-cart-btn:hover {
    opacity: .9
}

.add-to-cart-btn:disabled {
    background: #ccc;
    cursor: not-allowed;
    opacity: .6
}

.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, .5);
    display: none;
    justify-content: center;
    align-items: center;
    z-index: 1000;
    opacity: 0;
    transition: opacity .3s ease
}

.modal-overlay.open {
    display: flex;
    opacity: 1
}

.modal-content {
    background: var(--card-bg);
    width: 90%;
    max-width: 800px;
    border-radius: var(--radius);
    overflow: hidden;
    display: flex;
    flex-direction: row;
    max-height: 90vh;
    position: relative;
    animation: slideUp .3s ease
}

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

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

.modal-image {
    width: 50%;
    object-fit: contain;
    background-color: #f5f5f5;
    padding: 2rem
}

.modal-details {
    padding: 2rem;
    width: 50%;
    overflow-y: auto
}

.close-modal {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: 0 0;
    border: none;
    font-size: 1.5rem;
    cursor: pointer
}

.modal-actions {
    display: flex;
    gap: 1rem;
    margin-top: 2rem
}

.modal-actions .qty-selector {
    height: 50px
}

.modal-actions .qty-btn {
    width: 40px
}

.modal-actions .qty-input {
    width: 50px;
    font-size: 1.1rem
}

.modal-actions .add-to-cart-btn {
    height: 50px;
    font-size: 1.1rem
}

.cart-sidebar {
    position: fixed;
    top: 0;
    right: -400px;
    width: 100%;
    max-width: 400px;
    height: 100%;
    background: var(--card-bg);
    box-shadow: -2px 0 10px rgba(0, 0, 0, .1);
    z-index: 2000;
    transition: right .3s ease
}

.cart-sidebar.open {
    right: 0
}

#cart-view,
#checkout-view {
    height: 100%;
    display: flex;
    flex-direction: column
}

.cart-header {
    padding: 1.5rem;
    border-bottom: 1px solid #eee;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-shrink: 0
}

.cart-items {
    flex-grow: 1;
    overflow-y: auto;
    padding: 1.5rem;
    min-height: 0
}

.cart-item {
    display: flex;
    gap: 1rem;
    margin-bottom: 1.5rem
}

.cart-item-img {
    width: 60px;
    height: 60px;
    border-radius: 8px;
    object-fit: contain;
    background-color: #f5f5f5;
    padding: .25rem
}

.cart-footer {
    padding: 1.5rem;
    border-top: 1px solid #eee;
    flex-shrink: 0
}

.cart-qty-selector {
    display: flex;
    align-items: center;
    border: 1px solid var(--primary-color);
    border-radius: 6px;
    height: 30px;
    width: fit-content;
    margin-top: 5px;
    overflow: hidden
}

.cart-qty-btn {
    background: var(--primary-color);
    border: none;
    width: 25px;
    height: 100%;
    cursor: pointer;
    font-size: 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff
}

.cart-qty-input {
    width: 35px;
    height: 100%;
    border: none;
    text-align: center;
    font-size: .9rem;
    appearance: textfield;
    -moz-appearance: textfield;
    -webkit-appearance: textfield
}

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

.btn-primary {
    background-color: var(--primary-color);
    color: #fff;
    border: none;
    padding: 1rem;
    width: 100%;
    border-radius: var(--radius);
    font-weight: 600;
    cursor: pointer;
    font-size: 1rem
}

.btn-danger {
    background-color: #fff;
    color: var(--primary-color);
    border: 1px solid var(--primary-color);
    padding: .8rem;
    border-radius: var(--radius);
    font-weight: 600;
    cursor: pointer;
    transition: all .2s;
    display: block;
    text-align: center
}

.btn-danger:hover {
    background-color: var(--primary-color);
    color: #fff
}

.form-group {
    margin-bottom: 1rem
}

.form-group label {
    display: block;
    margin-bottom: .5rem;
    font-weight: 500
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: .8rem;
    border: 1px solid #ddd;
    border-radius: 8px;
    font-family: inherit
}

.hidden {
    display: none !important
}

.flying-img {
    position: fixed;
    z-index: 9999;
    border-radius: 50%;
    object-fit: cover;
    pointer-events: none;
    transition: all .8s cubic-bezier(.19, 1, .22, 1);
    box-shadow: 0 5px 15px rgba(0, 0, 0, .2)
}

.scroll-top-btn {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 50px;
    height: 50px;
    background-color: var(--primary-color);
    color: #fff;
    border: none;
    border-radius: 50%;
    cursor: pointer;
    box-shadow: 0 4px 10px rgba(0, 0, 0, .2);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: all .3s ease;
    z-index: 900
}

.scroll-top-btn.visible {
    opacity: 1;
    visibility: visible
}

.scroll-top-btn:hover {
    transform: translateY(-5px);
    box-shadow: 0 6px 15px rgba(0, 0, 0, .3)
}

.swal2-container {
    z-index: 3000 !important
}

.loading-spinner {
    grid-column: 1/-1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 4rem 2rem;
    gap: 1rem
}

.spinner {
    width: 50px;
    height: 50px;
    border: 4px solid #f3f3f3;
    border-top: 4px solid var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite
}

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

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

.loading-spinner p {
    color: #666;
    font-size: 1rem;
    font-weight: 500
}

.loading-spinner.hidden {
    display: none
}

.sede-modal-content {
    max-width: 500px !important;
    text-align: center;
    flex-direction: column !important;
    padding: 2rem !important
}

.sedes-buttons-container {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    width: 100%
}

.sedes-buttons-container button {
    padding: 1rem 1.5rem;
    font-size: 1rem;
    background: var(--primary-color);
    color: #fff;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    transition: transform .2s, box-shadow .2s;
    text-align: left;
    width: 100%
}

.sedes-buttons-container button:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 12px rgba(0, 0, 0, .15)
}

.sede-banner {
    background: linear-gradient(135deg, var(--primary-color) 0%, rgba(0, 0, 0, .8) 100%);
    color: #fff;
    padding: .75rem 1rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: .9rem;
    font-weight: 500;
    box-shadow: 0 2px 4px rgba(0, 0, 0, .1)
}

@media (max-width:768px) {
    header {
        padding: 1rem;
        gap: .5rem
    }

    .sede-indicator {
        display: none !important
    }

    .logo-container {
        max-width: 200px
    }

    .logo-text {
        white-space: normal;
        word-wrap: break-word;
        line-height: 1.3;
        font-size: 1rem
    }

    .sede-banner {
        display: flex !important
    }

    .search-container {
        order: 3;
        flex: 1 1 100%
    }

    .view-controls {
        flex-wrap: wrap;
        gap: .5rem
    }

    .sort-selector {
        flex: 1 1 auto;
        min-width: 0
    }

    .sort-dropdown {
        min-width: 0;
        width: 100%
    }

    .view-toggle {
        flex-shrink: 0
    }

    .products-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
        padding: 1rem
    }

    .products-grid.grid-2 {
        grid-template-columns: 1fr
    }

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

    .modal-image {
        width: 100%;
        height: 250px;
        padding: 1rem
    }

    .modal-details {
        width: 100%;
        padding: 1.5rem
    }

    .close-modal.desktop-only {
        display: none
    }

    .close-modal.mobile-only {
        display: block;
        position: static;
        padding: 1rem;
        width: 100%;
        text-align: left;
        font-size: 1.2rem
    }

    .view-controls {
        padding: .5rem 1rem
    }
}

@media (min-width:769px) {
    .close-modal.mobile-only {
        display: none
    }

    .close-modal.desktop-only {
        display: block
    }
}