* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

body {
    background-color: #f4f7f6;
}

.container {
    display: flex;
    min-height: 100vh;
}

/* Sidebar Styles */
.sidebar {
    width: 250px;
    background-color: #2c3e50;
    color: white;
    padding: 20px;
}

.sidebar h2 {
    text-align: center;
    margin-bottom: 30px;
    color: #1abc9c;
}

.sidebar ul {
    list-style: none;
}

.sidebar ul li {
    padding: 15px;
    transition: 0.3s;
}

.sidebar ul li a {
    color: white;
    text-decoration: none;
    display: flex;
    align-items: center;
}

.sidebar ul li a i {
    margin-right: 10px;
}

.sidebar ul li:hover, .sidebar ul li a.active {
    background-color: #34495e;
    border-radius: 5px;
    color: #1abc9c;
}

/* Main Content Styles */
.main-content {
    flex: 1;
    padding: 30px;
}

header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: white;
    padding: 15px 30px;
    border-radius: 10px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
}

.user-wrapper {
    display: flex;
    align-items: center;
}

.user-wrapper img {
    border-radius: 50%;
    margin-right: 10px;
}

/* Dashboard Cards */
.cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin-top: 30px;
}

.card {
    background: white;
    padding: 25px;
    border-radius: 10px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
}

.card h3 {
    font-size: 24px;
    margin-bottom: 5px;
}

.card span {
    color: #7f8c8d;
}

.card i {
    font-size: 35px;
    color: #1abc9c;
}

/* Responsive Design */
@media (max-width: 768px) {
    .container {
        flex-direction: column;
    }
    .sidebar {
        width: 100%;
    }
}