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

body {
    font-family: 'Open Sans', sans-serif;
    background-color: #f5f5f5;
    color: #333;
}

.main-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 20px;
    height: 60px;
    border-bottom: 1px solid #e6e6e6;
    background-color: #fff;
    position: sticky;
    top: 0;
    z-index: 1000;
    width: 100%;
}

.logo {
    margin-right: 20px;
}

.logo img {
    display: block;
}

.main-nav {
    flex: 1;
}

.nav-links {
    display: flex;
    list-style: none;
}

.nav-links a {
    text-decoration: none;
    color: #000;
    font-weight: 500;
    padding: 5px 0;
    margin: 6px;
}

.nav-links a:hover {
    color: #dddee4;
    font-weight: 500;
    background-color: #000;
    border-radius: 16px;
    padding: 6px;
    transition: all 0.3s ease;
}

.nav-links a.active {
    color: #1428a0;
    font-weight: 500;
    background-color: #FFFFFF;
    border-radius: 16px;
    padding: 6px;
}

.header-actions {
    display: flex;
    align-items: center;
}

.search {
    position: relative;
    margin-right: 20px;
}

.search-container {
    display: flex;
    border: 1px solid #ccc;
    border-radius: 20px;
    overflow: hidden;
    background: #f5f5f5;
}

#searchInput {
    width: 180px;
    padding: 8px 12px;
    border: none;
    outline: none;
    background: transparent;
}

#searchButton {
    background: transparent;
    border: none;
    padding: 0 12px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
}

.search-results {
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    background: white;
    border: 1px solid #ccc;
    border-top: none;
    border-radius: 0 0 5px 5px;
    max-height: 200px;
    overflow-y: auto;
    display: none;
    box-shadow: 0 4px 8px rgba(0,0,0,0.1);
    z-index: 10;
}

.cart, .account {
    margin-left: 15px;
    font-size: 20px;
}

.cart a, .account a {
    color: #000;
    text-decoration: none;
}

/* Page Layout */
.page-container {
    display: flex;
    max-width: 1400px;
    margin: 20px auto;
    gap: 20px;
    padding: 0 15px;
}

/* Sidebar Styles */
.sidebar {
    width: 280px;
    background-color: #fff;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
    padding: 20px;
    position: sticky;
    top: 80px;
    height: fit-content;
}

.filter-section {
    margin-bottom: 25px;
}

.filter-section h3 {
    font-size: 18px;
    margin-bottom: 15px;
    color: #1428a0;
    font-weight: 600;
    border-bottom: 1px solid #e6e6e6;
    padding-bottom: 8px;
}

.series-list {
    list-style: none;
}

.series-list li {
    margin-bottom: 10px;
}

.series-link {
    text-decoration: none;
    color: #555;
    display: block;
    padding: 8px 10px;
    border-radius: 4px;
    transition: all 0.2s ease;
}

.series-link:hover {
    background-color: #f0f0f0;
    color: #1428a0;
}

.series-link[data-series="all"].active {
    color: #1428a0;
    font-weight: 500;
}

.series-link:not([data-series="all"]).active {
    background-color: #1428a0;
    color: white;
    font-weight: 500;
}

/* Price Range Slider */
.price-range {
    padding: 10px 0;
}

.range-slider {
    position: relative;
    height: 6px;
    margin: 30px 0;
    background: #e0e0e0;
    border-radius: 5px;
}

.range-slider input {
    position: absolute;
    width: 100%;
    height: 6px;
    background: none;
    pointer-events: none;
    -webkit-appearance: none;
    appearance: none;
}

.range-slider input::-webkit-slider-thumb {
    height: 18px;
    width: 18px;
    border-radius: 50%;
    background: #1428a0;
    pointer-events: auto;
    -webkit-appearance: none;
    cursor: pointer;
}

.range-slider input::-moz-range-thumb {
    height: 18px;
    width: 18px;
    border-radius: 50%;
    background: #1428a0;
    pointer-events: auto;
    -moz-appearance: none;
    cursor: pointer;
}

.price-inputs {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 15px;
}

.price-input {
    display: flex;
    align-items: center;
    width: 45%;
}

.price-input span {
    margin-right: 5px;
    font-weight: 500;
}

.price-input input {
    width: 100%;
    padding: 8px;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 14px;
}

.price-separator {
    font-weight: bold;
    margin: 0 5px;
}

.filter-btn {
    width: 100%;
    padding: 10px;
    background-color: #1428a0;
    color: white;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-weight: 500;
    transition: background-color 0.2s;
}

.filter-btn:hover {
    background-color: #0e1c6b;
}

/* Checkbox Styles */
.feature-filters {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.checkbox-container {
    display: flex;
    align-items: center;
    position: relative;
    padding-left: 35px;
    cursor: pointer;
    font-size: 14px;
    user-select: none;
}

.checkbox-container input {
    position: absolute;
    opacity: 0;
    cursor: pointer;
    height: 0;
    width: 0;
}

.checkmark {
    position: absolute;
    top: 0;
    left: 0;
    height: 20px;
    width: 20px;
    background-color: #eee;
    border-radius: 4px;
}

.checkbox-container:hover input ~ .checkmark {
    background-color: #ccc;
}

.checkbox-container input:checked ~ .checkmark {
    background-color: #1428a0;
}

.checkmark:after {
    content: "";
    position: absolute;
    display: none;
}

.checkbox-container input:checked ~ .checkmark:after {
    display: block;
}

.checkbox-container .checkmark:after {
    left: 7px;
    top: 3px;
    width: 5px;
    height: 10px;
    border: solid white;
    border-width: 0 2px 2px 0;
    transform: rotate(45deg);
}

/* Main Content Styles */
.main-content {
    flex: 1;
    background-color: #fff;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
    padding: 20px;
}

.content-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    padding-bottom: 15px;
    border-bottom: 1px solid #e6e6e6;
}

.content-header h1 {
    font-size: 24px;
    color: #1428a0;
    margin: 0;
}

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

.sort-options label {
    margin-right: 10px;
    font-size: 14px;
}

.sort-options select {
    padding: 8px 12px;
    border: 1px solid #ddd;
    border-radius: 4px;
    background-color: #f5f5f5;
    font-size: 14px;
    cursor: pointer;
}

/* Products Grid */
.products-container {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 20px;
}

.product-card {
    background-color: #fff;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 2px 8px rgba(0,0,0,0.08);
    transition: transform 0.3s, box-shadow 0.3s;
}

.product-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}

.product-image {
    height: 200px;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 15px;
    background-color: #f9f9f9;
}

.product-image img {
    max-height: 100%;
    max-width: 100%;
    object-fit: contain;
}

.product-info {
    padding: 15px;
}

.product-series {
    font-size: 12px;
    color: #1428a0;
    font-weight: 600;
    margin-bottom: 5px;
}

.product-name {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 8px;
    color: #333;
}

.product-price {
    font-size: 18px;
    font-weight: 700;
    color: #1428a0;
    margin-bottom: 10px;
}

.product-features {
    display: flex;
    flex-wrap: wrap;
    gap: 5px;
    margin-bottom: 12px;
}

.feature-tag {
    font-size: 11px;
    padding: 3px 8px;
    background-color: #f0f0f0;
    border-radius: 12px;
    color: #555;
}

.buy-btn {
    width: 100%;
    padding: 8px 0;
    background-color: #1428a0;
    color: white;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-weight: 500;
    transition: background-color 0.2s;
}

.buy-btn:hover {
    background-color: #0e1c6b;
}

.price-filter-note {
    font-size: 12px;
    color: #666;
    margin-top: 10px;
    text-align: center;
    font-style: italic;
}


.cart-count {
    position: absolute;
    top: -8px;
    right: -8px;
    background-color: #1428a0;
    color: white;
    font-size: 12px;
    font-weight: bold;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.cart {
    position: relative;
}


.product-card {
    display: flex;
    flex-direction: column;
    height: 100%;
    background-color: #fff;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 2px 8px rgba(0,0,0,0.08);
    transition: transform 0.3s, box-shadow 0.3s;
}

.product-info {
    display: flex;
    flex-direction: column;
    flex-grow: 1;
    padding: 15px;
}


.buy-btn {
    width: 100%;
    padding: 10px 0;
    background-color: #1428a0;
    color: white;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-weight: 500;
    transition: background-color 0.2s;
    margin-top: auto;
}

.buy-btn:hover {
    background-color: #0e1c6b;
}

.cart-confirmation {
    position: fixed;
    bottom: 20px;
    right: 20px;
    background-color: #1428a0;
    color: white;
    padding: 12px 20px;
    border-radius: 4px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.15);
    z-index: 1000;
    animation: slide-in 0.3s ease-out;
}

.cart-confirmation.fade-out {
    animation: fade-out 0.5s ease-out forwards;
}

@keyframes slide-in {
    from {
        transform: translateX(100%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

@keyframes fade-out {
    from {
        opacity: 1;
    }
    to {
        opacity: 0;
    }
}

.cart-count {
    position: absolute;
    top: -8px;
    right: -8px;
    background-color: #1428a0;
    color: white;
    font-size: 12px;
    font-weight: bold;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.cart {
    position: relative;
}


.product-card {
    display: flex;
    flex-direction: column;
    height: 100%;
    background-color: #fff;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 2px 8px rgba(0,0,0,0.08);
    transition: transform 0.3s, box-shadow 0.3s;
}

.product-info {
    display: flex;
    flex-direction: column;
    flex-grow: 1;
    padding: 15px;
}


.buy-btn {
    width: 100%;
    padding: 10px 0;
    background-color: #1428a0;
    color: white;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-weight: 500;
    transition: background-color 0.2s;
    margin-top: auto;
}

.buy-btn:hover {
    background-color: #0e1c6b;
}


@media (max-width: 768px) {
    .product-card {
        height: auto;
    }
    
    .product-info {
        padding: 12px;
}

    .buy-btn {
        padding: 8px 0;
        font-size: 14px;
    }
}

@media (max-width: 480px) {
    .product-info {
        padding: 10px;
    }
    
    .buy-btn {
        padding: 6px 0;
        font-size: 13px;
    }
}


.cart-confirmation {
    position: fixed;
    bottom: 20px;
    right: 20px;
    background-color: #1428a0;
    color: white;
    padding: 12px 20px;
    border-radius: 4px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.15);
    z-index: 1000;
    animation: slide-in 0.3s ease-out;
}

.cart-confirmation.fade-out {
    animation: fade-out 0.5s ease-out forwards;
}

@keyframes slide-in {
    from {
        transform: translateX(100%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

@keyframes fade-out {
    from {
        opacity: 1;
    }
    to {
        opacity: 0;
    }
}


@media (max-width: 768px) {
    .product-card {
        height: auto;
    }
    
    .product-info {
        padding: 12px;
    }
    
    .buy-btn {
        padding: 8px 0;
        font-size: 14px;
    }
}

@media (max-width: 480px) {
    .product-info {
        padding: 10px;
    }
    
    .buy-btn {
        padding: 6px 0;
        font-size: 13px;
    }
}


@media (max-width: 992px) {
    .page-container {
        flex-direction: column;
    }

    .sidebar {
        width: 100%;
        position: static;
        margin-bottom: 20px;
    }

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

@media (max-width: 768px) {
    .content-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 10px;
    }

    .products-container {
        grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
    }
    
    .product-name {
        font-size: 14px;
    }
}

@media (max-width: 480px) {
    .products-container {
        grid-template-columns: 1fr 1fr;
        gap: 10px;
    }
    
    .product-image {
        height: 150px;
    }
}


.nav-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
}

.nav-toggle .bar {
    width: 25px;
    height: 3px;
    background-color: #000;
    margin: 3px 0;
    transition: 0.4s;
}

.nav-dropdown {
    display: flex;
}

@media screen and (max-width: 768px) {
    .nav-toggle {
        display: flex;
    }

    .nav-dropdown {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background-color: #fff;
        flex-direction: column;
        box-shadow: 0 4px 6px rgba(0,0,0,0.1);
        z-index: 1000;
    }

    .nav-dropdown.active {
        display: flex;
    }

    .nav-links {
        flex-direction: column;
    }

    .nav-links a {
        padding: 15px;
        border-bottom: 1px solid #eee;
        text-align: center;
    }

    .nav-links a:hover {
        background-color: #f0f0f0;
        color: #000;
        border-radius: 0;
    }
}