:root {
    --background-color: #f3f4f6;
    --text-color: #1f2937;
    --button-color: #d1d5db;
    --button-text-color: #1f2937;
}

@media (prefers-color-scheme: dark) {
    :root {
        --background-color: #030712;
        --text-color: #f3f4f6;
        --button-color: #1f2937;
        --button-text-color: #f3f4f6;
    }
}

html, body {
    font-family: Geist, sans-serif;
    width: 100%;
    height: 100%;
    display: flex;
    justify-content: center;
    background-color: var(--background-color);
    color: var(--text-color);
}

body {
    margin: 0;
}

.container {
    display: flex;
    flex-direction: column;
    align-items: start;
    justify-content: center;
    padding-top: 8rem;
    padding-left: 1rem;
    padding-right: 1rem;
}

h1 {
    font-weight: bolder;
    font-size: 1em;
    margin: 0;
    padding-bottom: 0.5rem;
}

h2 {
    font-weight: 400;
    font-size: 1em;
    margin: 0;
    padding: 0;
}

ul {
    list-style: none;
    margin: 0;
    padding: 0;
}

ul > li:not(:last-child) {
    padding-bottom: 0.5rem;
}

a {
    text-decoration: underline;
    color: var(--text-color)
}

hr.divider {
    border-color: var(--text-color);
    margin: 1.5rem 0;
    width: 100%;
}

main {
    width: 100%;
    flex: 1;
}

button {
    background-color: var(--button-color);
    color: var(--button-text-color);
    border: 1px #9ca3af solid;
    padding: 0.5rem 2rem;
    border-radius: 4px;
    width: 100%;
    font-weight: 500;
    box-shadow: rgba(0, 0, 0, 0.05) 0 0 0 1px;
}
@media (prefers-color-scheme: dark) {
    button {
        border: 0;
    }
}

footer {
    padding-top: 2rem;
    padding-bottom: 4rem;
    opacity: 80%;
    font-size: 0.8em;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

footer > p {
    margin: 0;
}

.summary {
    max-width: 40ch;
    font-size: 1em;
    line-height: 1.5em;
    padding-top: 1rem;
    padding-bottom: 1rem;
}

.instructions {
    max-width: 40ch;
    line-height: 1.5em;
    padding-top: 1rem;
    padding-bottom: 1rem;
}

.instructions-link {
    font-size: 0.8em;
    display: block;
    text-align: center;
    margin-top: 1rem;
}

.back-link {
    font-size: 0.8em;
}