* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    font-family: Arial, sans-serif;
}

body {
    background-color: #f4f6f8;
    color: #333;
}

header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background-color: #2c3e50;
    padding: 10px 20px;
    color: #fff;
}

.logo {
    font-size: 1.5em;
    font-weight: bold;
}

nav ul {
    list-style: none;
    display: flex;
}

nav ul li {
    margin-left: 20px;
}

nav ul li a {
    color: #fff;
    text-decoration: none;
    padding: 8px 12px;
    border-radius: 4px;
    transition: background-color 0.3s;
}

nav ul li a:hover {
    background-color: #34495e;
}

.user-profile {
    position: relative;
}

.user-profile img {
    width: 40px;
    height: 40px;
    border-radius: 50%;
}

.dropdown {
    position: absolute;
    top: 50px;
    right: 0;
    display: none;
}

.dropdown-content {
    background-color: #fff;
    color: #333;
    min-width: 150px;
    box-shadow: 0px 8px 16px rgba(0,0,0,0.2);
    border-radius: 4px;
    overflow: hidden;
    z-index: 1;
}

.dropdown-content a {
    padding: 12px 16px;
    display: block;
    text-decoration: none;
    color: #333;
}

.dropdown-content a:hover {
    background-color: #f1f1f1;
}

.dropbtn {
    background: none;
    border: none;
    color: #fff;
    cursor: pointer;
    font-size: 1em;
}

.user-profile:hover .dropdown {
    display: block;
}

main {
    padding: 20px;
}

.dashboard-overview {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
}

.dashboard-overview div {
    background-color: #fff;
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0px 2px 4px rgba(0,0,0,0.1);
}

.dashboard-overview h2 {
    margin-bottom: 15px;
    font-size: 1.2em;
    color: #2c3e50;
}

.storage-summary {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.storage-chart {
    width: 100px;
    height: 100px;
    background-color: #bdc3c7;
    border-radius: 50%;
    margin-bottom: 10px;
    position: relative;
}

.circle {
    width: 100%;
    height: 100%;
    background: conic-gradient(#27ae60 60%, #bdc3c7 0%);
    border-radius: 50%;
}

.storage-details p {
    margin: 5px 0;
}

.backup-status ul, .recent-activity ul, .alerts-notifications ul {
    list-style: none;
}

.backup-status li, .recent-activity li, .alerts-notifications li {
    margin-bottom: 10px;
}

.backup-status button {
    padding: 10px 15px;
    background-color: #2980b9;
    color: #fff;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    transition: background-color 0.3s;
}

.backup-status button:hover {
    background-color: #3498db;
}