:root {
    --body-bg: #112233;
    --nav-bg: rgb(69, 92, 115);
}

* {
    box-sizing: border-box;
}

html {
    font-family: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
}

body {
    min-height: 100vh;
    margin: 0;
    font-size: 1.5rem;
    background-color: var(--body-bg);
    color: white;
    display: grid;
    grid-template-columns: 20rem 1fr;
    gap: 2rem;
}

nav {
    position: sticky;
    top: 0;
    max-height: 100vh;
    background-color: var(--nav-bg);
}

.nav-list {
    margin: 0;
    padding: 0;
    list-style: none;
    display: grid;
    gap: 1rem;
    padding-block: 2rem;
}

.nav-list li {
    padding: 1.5rem 2rem;
    margin-left: 2rem;
    border-radius: 100vw 0 0 100vw;
}

.nav-list li.active {
    background: var(--body-bg)
}

.nav-list a {
    color: white;
    text-decoration: none;
}

.main-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}