:root {
    color-scheme: light dark;
    --text: light-dark(#1c1f23, #e6e8eb);
    --muted: light-dark(#5b6470, #9aa3ad);
    --background: light-dark(#fbfbfa, #15171a);
    --surface: light-dark(#ffffff, #1d2024);
    --line: light-dark(#e2e4e7, #2e3338);
    --link: light-dark(#1f5fbf, #7fb0f5);
    --up: light-dark(#1a7f43, #5fd08a);
    --down: light-dark(#b3261e, #f2857d);
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font: 1rem/1.6 system-ui, sans-serif;
    color: var(--text);
    background: var(--background);
}

header,
main {
    max-width: 44rem;
    margin: 0 auto;
    padding: 0 1rem;
}

header {
    padding-block: 1.25rem;
}

header a {
    font-weight: 600;
    color: inherit;
    text-decoration: none;
}

main {
    padding-bottom: 4rem;
}

h1 {
    margin: 1rem 0 0.5rem;
    font-size: 2rem;
    line-height: 1.2;
}

h2 {
    display: inline;
    margin: 0 0.5rem 0 0;
    font-size: 1.2rem;
}

a {
    color: var(--link);
}

img {
    display: block;
    max-width: 100%;
    border: 1px solid var(--line);
    border-radius: 0.5rem;
}

.lead {
    color: var(--muted);
}

.demos,
.links {
    padding: 0;
    list-style: none;
}

.demos li {
    margin-top: 1.5rem;
    padding: 1.25rem;
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: 0.75rem;
}

.demos img {
    margin-bottom: 1rem;
}

.demos p {
    margin: 0.5rem 0 0;
}

.picture {
    margin-block: 1.5rem;
}

.links {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 1.25rem;
    margin-top: 2rem;
}

.open {
    display: inline-block;
    padding: 0.5rem 1rem;
    color: var(--background);
    background: var(--text);
    border-radius: 0.5rem;
    text-decoration: none;
}

.health {
    display: inline-block;
    padding: 0 0.6rem;
    font-size: 0.8rem;
    font-weight: 600;
    border: 1px solid currentColor;
    border-radius: 1rem;
    vertical-align: middle;
}

.health[hidden] {
    display: none;
}

.health[data-state='up'] {
    color: var(--up);
}

.health[data-state='down'] {
    color: var(--down);
}