:root {
    --bg: #09090b;
    --card: #14161c;
    --line: #2a2e38;
    --text: #e7e8ec;
    --muted: #a1a7b3;
    --accent: #9ec1ff;
    color-scheme: dark
}

* {
    box-sizing: border-box
}

html {
    -webkit-text-size-adjust: 100%;
    background-color: #09090b
}

body {
    margin: 0;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    background-color: #09090b;
    background-image: radial-gradient(900px 420px at 0% -10%, #1a2740 0%, transparent 55%);
    color: var(--text);
    font: 1rem/1.6 system-ui, "Segoe UI", sans-serif;
    -webkit-font-smoothing: antialiased
}

a {
    color: inherit;
    text-decoration: none
}

:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 3px
}

::selection {
    background: #24508a;
    color: #fff
}

.hdr,
.ftr {
    align-self: stretch
}

.hdr {
    position: sticky;
    top: 0;
    z-index: 2;
    background: var(--bg);
    border-bottom: 1px solid var(--line)
}

.hdr-in,
.wrap,
.ftr-in {
    width: min(42rem, calc(100% - 2rem));
    margin-inline: auto
}

.hdr-in {
    display: flex;
    flex-wrap: wrap;
    align-items: baseline;
    justify-content: space-between;
    gap: .6rem 1.25rem;
    padding: .85rem 0
}

.nav {
    display: flex;
    flex-wrap: wrap;
    gap: .35rem 1rem
}

.nav a {
    color: var(--muted);
    font-size: .82rem
}

.nav a[aria-current="page"] {
    color: #fff
}

.logo {
    font-weight: 600;
    letter-spacing: -.02em;
    color: #fff
}

.logo::before {
    content: "";
    display: inline-block;
    width: .55em;
    height: .55em;
    margin-right: .45em;
    border-radius: 3px;
    background: var(--accent);
    vertical-align: .08em
}

.logo b {
    color: var(--accent);
    font-weight: 600
}

.wrap {
    flex: 1;
    padding: 2.75rem 0 4rem
}

h1 {
    margin: 0 0 .9rem;
    max-width: 16ch;
    color: #fff;
    font-size: clamp(1.85rem, 5vw, 2.7rem);
    font-weight: 600;
    letter-spacing: -.035em;
    line-height: 1.08
}

h2 {
    margin: 2.75rem 0 .8rem;
    color: #fff;
    font-size: 1.25rem;
    font-weight: 600;
    letter-spacing: -.02em;
    line-height: 1.25
}

h3 {
    margin: 1.4rem 0 .4rem;
    color: #fff;
    font-size: 1.02rem;
    font-weight: 600;
    letter-spacing: -.01em;
    line-height: 1.35
}

main a {
    color: var(--accent);
    text-underline-offset: .15em
}

pre {
    margin: 0 0 1rem;
    padding: .85rem 1rem;
    overflow-x: auto;
    border: 1px solid var(--line);
    border-radius: 12px;
    background: var(--card);
    color: #f4f7fb;
    font: .84rem/1.5 ui-monospace, "Cascadia Mono", Consolas, monospace
}

main p {
    margin: 0 0 .9rem
}

.lead {
    font-size: 1.08rem;
    color: #f4f6f8
}

.note {
    margin: 0 0 1.1rem;
    padding: .7rem .9rem;
    border: 1px solid var(--line);
    border-radius: 10px;
    background: #101218
}

.note p {
    margin: 0;
    color: var(--muted);
    font-size: .78rem;
    line-height: 1.55
}

.updated {
    display: inline-block;
    margin: 0 0 1.35rem;
    padding: .2rem .65rem;
    border: 1px solid var(--line);
    border-radius: 999px;
    color: var(--muted);
    font-size: .72rem;
    letter-spacing: .06em;
    text-transform: uppercase
}

.fig {
    margin: 1.1rem 0 1.35rem
}

.fig-narrow {
    max-width: 26rem
}

.fig-square {
    max-width: 18rem
}

.fig img {
    display: block;
    width: 100%;
    height: auto;
    border: 1px solid var(--line);
    border-radius: 12px;
    background: var(--card)
}

.mirrors {
    display: grid;
    gap: .55rem;
    margin: 1.15rem 0 1.35rem
}

.mr {
    border: 1px solid var(--line);
    border-radius: 12px;
    background: var(--card)
}

.mr:hover,
.mr:focus-within {
    border-color: #4d6288
}

.mr-url {
    overflow-x: auto;
    padding: .85rem 1rem
}

.mr-url input {
    display: block;
    width: max-content;
    min-width: 100%;
    border: 0;
    padding: 0;
    background: transparent;
    color: #f4f7fb;
    font: .84rem/1.4 ui-monospace, "Cascadia Mono", Consolas, monospace;
    cursor: text
}

.ftr {
    border-top: 1px solid var(--line);
    padding: 1.6rem 0 2rem
}

.ftr-brand {
    margin: 0 0 .35rem;
    color: #fff;
    font-weight: 600;
    letter-spacing: -.02em
}

.ftr-desc,
.ftr-copy {
    margin: 0;
    color: var(--muted);
    font-size: .8rem;
    line-height: 1.55
}

.ftr-nav {
    display: flex;
    flex-wrap: wrap;
    gap: .35rem 1rem;
    margin-top: .85rem
}

.ftr-nav a {
    color: var(--muted);
    font-size: .8rem
}

.ftr-copy {
    margin-top: .8rem
}

@media (max-width: 640px) {
    .wrap {
        padding-top: 1.75rem
    }

    .mr-url input {
        font-size: .68rem
    }
}