* {
    box-sizing: border-box;
    font-family: sans-serif;
    margin: 0;
    padding: 0;
}
body {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}
.container {
    display: flex;
    flex: 1;
}
.sidebar {
    background-color: var(--primary-color);
    color: white;
    padding: 16px;
    transition: all 0.3s ease;
    width: var(--sidebar-width);
}
.sidebar > .navigation-links {
    list-style: none;
    margin-top: 16px;
}
.sidebar > .navigation-links > li {
    border-bottom: 1px solid var(--secondary-color);
}
.sidebar > .navigation-links > li > a {
    border-radius: 4px;
    color: white;
    cursor: pointer;
    text-decoration: none;
    display: block;
    margin: 4px 0;
    padding: 12px 6px;
}
.sidebar > .navigation-links > li > a:hover {
    background-color: var(--secondary-color);
}
main {
    background: var(--background-color);
    flex: 1;
    height: 100vh;
    padding: 32px;
}
.mobile-header {
    display: none;
    background: var(--primary-color);
    color: white;
    padding: 16px;
    justify-content: space-between;
    align-items: center;
}
.menu-btn {
    background: var(--secondary-color);
    color: white;
    border: none;
    padding: 8px 12px;
    cursor: pointer;
    border-radius: 4px;
}
@media (max-width: 768px) {
    .container {
        position: relative;
    }
    .mobile-header {
        display: flex;
    }
    .sidebar {
        position: absolute;
        left: calc(-1 * var(--sidebar-width));
        height: 100%;
        z-index: 100;
    }
    .sidebar.active {
        left: 0;
    }
    main {
        width: 100%;
    }
}
.main-content {
    display: none;
    height: 100%;
}
#searchbar {
    width: 100%;
    padding: 10px;
    margin-top: 10px;
    border: 1px solid #ddd;
    border-radius: 4px;
}