body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    background-color: #f9f9f9;
    color: #333;
}

header {
    padding: 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background-color: #fff;
    border-bottom: 1px solid #ddd;
}

header .logo {
    font-size: 24px;
    font-weight: bold;
    color: #ff4081;
}

.header-right {
    display: flex;
    align-items: center;
    gap: 10px;
}

.header-right nav ul {
    display: flex;
    flex-direction: row;
    gap: 15px;
    margin: 0;
    padding: 0;
    list-style: none;
}

.header-right nav ul li {
    border: none;
}

.header-right nav ul li a {
    color: #333;
    padding: 5px 10px;
    border-radius: 3px;
    transition: background-color 0.3s;
}

.header-right nav ul li a:hover {
    background-color: #f0f0f0;
    color: #ff4081;
}

input[type="text"] {
    padding: 10px;
    border: 1px solid #ddd;
    border-radius: 5px;
    width: 200px;
    margin-right: 10px;
}

/* Main layout with sidebar */
.page-container {
    display: flex;
    min-height: calc(100vh - 80px); /* Subtract header height */
}

nav {
    width: 200px;
    background-color: #333;
    color: white;
    padding: 0;
}

nav ul {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 0;
}

nav ul li {
    cursor: pointer;
    border-bottom: 1px solid #444;
}

nav ul li:last-child {
    border-bottom: none;
}

nav ul li a {
    text-decoration: none;
    color: white;
    padding: 15px 20px;
    display: block;
    transition: background-color 0.3s;
}

nav ul li a:hover {
    background-color: #555;
    color: #ff4081;
}

button {
    background-color: #ff4081;
    color: #fff;
    border: none;
    padding: 10px 20px;
    cursor: pointer;
    border-radius: 5px;
}

button:hover {
    background-color: #e73370;
}

main {
    flex: 1;
    padding: 20px;
    max-width: calc(100vw - 250px);
}

.competitors-sales {
    background-color: #fff;
    padding: 20px;
    border-radius: 5px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    margin-bottom: 30px;
}

.competitors-sales h2 {
    color: #ff4081;
    margin-top: 0;
    margin-bottom: 20px;
}

.competitors-sales table, .listings table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 20px;
}

.competitors-sales th, .listings th {
    background-color: #f8f8f8;
    padding: 12px;
    text-align: left;
    font-size: 14px;
    border-bottom: 2px solid #ddd;
    font-weight: 600;
}

.competitors-sales td, .listings td {
    padding: 12px;
    border-bottom: 1px solid #eee;
    font-size: 14px;
}

.competitors-sales tr:hover {
    background-color: #f9f9f9;
}

.competitors-sales button {
    margin-top: 20px;
    background-color: #ff4081;
    color: #fff;
    border: none;
    padding: 12px 24px;
    cursor: pointer;
    border-radius: 5px;
    font-weight: 600;
    transition: background-color 0.3s;
}

.competitors-sales button:hover {
    background-color: #e73370;
}

.analytics-cards {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 20px;
    margin-top: 20px;
}

.analytics-cards .card {
    background-color: #fff;
    padding: 20px;
    border-radius: 5px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    height: fit-content;
}

.analytics-cards .card h3 {
    color: #ff4081;
    margin-top: 0;
    margin-bottom: 15px;
}

.analytics-cards .card table {
    width: 100%;
    border-collapse: collapse;
}

.analytics-cards .card th {
    background-color: #f8f8f8;
    padding: 8px;
    text-align: left;
    font-size: 14px;
    border-bottom: 1px solid #ddd;
}

.analytics-cards .card td {
    padding: 8px;
    border-bottom: 1px solid #eee;
    font-size: 14px;
}

.seller-overview {
    display: flex;
    gap: 20px;
    margin-bottom: 30px;
    align-items: flex-start;
}

.seller-overview .shop-image {
    width: 120px;
    height: 120px;
    background-color: #ddd;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    color: #666;
    flex-shrink: 0;
}

.seller-overview .shop-stats, .seller-overview .sales-stats {
    background-color: #fff;
    padding: 20px;
    border-radius: 5px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    height: fit-content;
    flex: 1;
}

.seller-overview .sales-history {
    background-color: #fff;
    padding: 20px;
    border-radius: 5px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    flex: 1;
}

.product-info {
    display: flex;
    align-items: center;
}

.tags {
    display: flex;
    flex-wrap: wrap;
    gap: 5px;
    margin-top: 5px;
}

.tag {
    background-color: #f0f0f0;
    padding: 2px 8px;
    border-radius: 12px;
    font-size: 12px;
    color: #666;
}

footer {
    background-color: #333;
    color: #fff;
    text-align: center;
    padding: 15px 20px;
    font-size: 12px;
    border-top: 1px solid #444;
    margin-top: auto;
}

footer p {
    margin: 0;
    line-height: 1.4;
}

.seller-overview .shop-stats h3, .seller-overview .sales-stats h3 {
    color: #ff4081;
    margin-top: 0;
}

.seller-overview ul {
    list-style: none;
    padding: 0;
}

.seller-overview li {
    padding: 5px 0;
    border-bottom: 1px solid #eee;
}

.sales-history {
    background-color: #fff;
    padding: 20px;
    border-radius: 5px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

@media (max-width: 768px) {
    header {
        padding: 10px;
    }

    .header-right {
        flex-direction: column;
        gap: 5px;
    }

    .header-right nav ul {
        flex-direction: column;
        gap: 5px;
    }

    input[type="text"] {
        width: 150px;
        margin-right: 0;
        margin-bottom: 5px;
    }

    .page-container {
        flex-direction: column;
    }

    nav {
        width: 100%;
        order: 2;
    }

    nav ul {
        flex-direction: row;
        justify-content: center;
    }

    nav ul li {
        border: none;
        border-right: 1px solid #444;
    }

    nav ul li:last-child {
        border-right: none;
    }

    main {
        order: 1;
        padding: 10px;
        max-width: 100%;
    }

    .seller-overview {
        flex-direction: column;
        align-items: center;
    }

    .seller-overview .shop-image {
        margin-bottom: 20px;
    }

    .analytics-cards {
        grid-template-columns: 1fr;
    }
}