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

body {
    font-family: Arial, sans-serif;
    background-color: #f9f9f9;
}

header {
    text-align: center;
    margin: 20px 0;
    margin-left: 300px;
}

h1 {
    font-size: 2rem;
    color: #333;
}

.product-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    padding: 20px;
    max-width: 1200px;
    margin: 0 auto;
    margin-left: 300px;
}

.product {
    background-color: #fff;
    border: 1px solid #ddd;
    border-radius: 8px;
    padding: 15px;
    text-align: center;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
    cursor: pointer;
    position: relative;
}

.product img {
    max-width: 100%;
    border-radius: 5px;
}

.product h2 {
    font-size: 1.2rem;
    color: #333;
    margin: 10px 0;
}

.price {
    font-size: 1rem;
    color: #666;
    margin-bottom: 10px;
}

.description {
    display: flex;
    font-size: 0.9rem;
    color: #555;
    text-align: center;
}
.sidebar {
    position: fixed;
    height: 100%;
    width: 260px;
    background: #11101d;
    padding: 15px;
    z-index: 99;
    margin-top: -94.5px;
    margin-left: -20px;
    margin-right: 100px;
}
.sidebar a {
    color: #fff;
    text-decoration: none;
}    
.logo {
    font-size: 25px;
    padding: 0 15px;
}
.menu-content {
    position: relative;
    height: 100%;
    width: 100%;
    margin-top: 40px;
    overflow-y: scroll;
}
.menu-content::-webkit-scrollbar {
display: none;
}
.menu-items {
height: 100%;
width: 100%;
list-style: none;
transition: all 0.4s ease;
}
.submenu-active .menu-items {
transform: translateX(-56%);
}
.menu-title {
color: #fff;
font-size: 14px;
padding: 15px 20px;
}
.item a,
.submenu-item {
padding: 16px;
display: inline-block;
width: 100%;
border-radius: 12px;
}
.item i {
font-size: 12px;
}
.item a:hover,
.submenu-item:hover,
.submenu .menu-title:hover {
background: rgba(255, 255, 255, 0.1);
}
.submenu-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: #fff;
    cursor: pointer;
}
.submenu {
    position: absolute;
    height: 100%;
    width: 100%;
    top: 0;
    right: calc(-100% - 26px);
    height: calc(100% + 100vh);
    background: #11101d;
    display: none;
}
.show-submenu ~ .submenu {
display: block;
}
.submenu .menu-title {
border-radius: 12px;
cursor: pointer;
}
.submenu .menu-title i {
margin-right: 10px;
}