body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    overflow-x: hidden;
}

.header {
    background-color: #0073e6;
    color: #fff;
    padding: 1rem;
    text-align: center;
    position: relative;
}

.menu-toggle {
    position: absolute;
    left: 1rem;
    top: 1rem;
    font-size: 1.5rem;
    background: none;
    border: none;
    color: #fff;
    cursor: pointer;
}

.menu {
    position: fixed;
    top: 0;
    left: -100%;
    width: 250px;
    height: 100%;
    background-color: #333;
    color: #fff;
    padding: 2rem;
    transition: left 0.3s ease;
}

.menu.open {
    left: 0;
}

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

.menu ul li {
    margin: 1rem 0;
}

.menu ul li a {
    color: #fff;
    text-decoration: none;
}

.content {
    padding: 1rem;
    margin-top: 60px;
}

.chart-container {
    margin-bottom: 2rem;
}

.events-container {
    background-color: #f9f9f9;
    padding: 1rem;
    border-radius: 8px;
}

@media (min-width: 768px) {
    .menu {
        position: relative;
        left: 0;
        width: 200px;
        height: auto;
        padding: 1rem;
    }
    
    .content {
        margin-left: 220px;
    }
}