/* cmdbuf.io */

/* Reset */
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    -webkit-text-size-adjust: 100%;
    text-size-adjust: 100%;
}

img,
svg {
    display: block;
    max-width: 100%;
}

input,
button,
select,
textarea {
    font: inherit;
}

/* Theme */
:root {
    color-scheme: light dark;

    --bg: #ffffff;
    --bg-soft: #f6f8fa;
    --text: #1f2328;
    --text-muted: #59636e;
    --border: #d1d9e0;
    --link: #0a69da;
    --accent: #007d9c;
    --accent-text: #00687f;

    --code-bg: #f6f8fa;
    --code-text: #1f2328;
    --code-comment: #59636e;
    --code-keyword: #cf222e;
    --code-string: #0a3069;
    --code-number: #0550ae;
}

@media (prefers-color-scheme: dark) {
    :root {
        --bg: #0d1117;
        --bg-soft: #151b23;
        --text: #e6edf3;
        --text-muted: #9ba6b2;
        --border: #30363d;
        --link: #58a6ff;
        --accent: #37b5d8;
        --accent-text: #4cc2e6;

        --code-bg: #151b23;
        --code-text: #e6edf3;
        --code-comment: #9ba6b2;
        --code-keyword: #ff7b72;
        --code-string: #a5d6ff;
        --code-number: #79c0ff;
    }
}

:root[data-theme="light"] {
    --bg: #ffffff;
    --bg-soft: #f6f8fa;
    --text: #1f2328;
    --text-muted: #59636e;
    --border: #d1d9e0;
    --link: #0a69da;
    --accent: #007d9c;
    --accent-text: #00687f;

    --code-bg: #f6f8fa;
    --code-text: #1f2328;
    --code-comment: #59636e;
    --code-keyword: #cf222e;
    --code-string: #0a3069;
    --code-number: #0550ae;
}

:root[data-theme="dark"] {
    --bg: #0d1117;
    --bg-soft: #151b23;
    --text: #e6edf3;
    --text-muted: #9ba6b2;
    --border: #30363d;
    --link: #58a6ff;
    --accent: #37b5d8;
    --accent-text: #4cc2e6;

    --code-bg: #151b23;
    --code-text: #e6edf3;
    --code-comment: #9ba6b2;
    --code-keyword: #ff7b72;
    --code-string: #a5d6ff;
    --code-number: #79c0ff;
}

/* Base */
body {
    background: var(--bg);
    color: var(--text);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
        "Helvetica Neue", Arial, sans-serif;
    font-size: 1.0625rem;
    line-height: 1.65;
}

code,
pre,
kbd {
    font-family: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas,
        "Liberation Mono", monospace;
}

a {
    color: var(--link);
    text-decoration: none;
}

a:hover,
a:focus-visible {
    text-decoration: underline;
}

main a {
    text-decoration: underline;
    text-underline-offset: 0.15em;
}

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

.visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip-path: inset(50%);
    white-space: nowrap;
}

.skip-link {
    position: absolute;
    left: -999px;
    top: 0;
    background: var(--bg);
    padding: 0.5rem 1rem;
    z-index: 10;
}

.skip-link:focus {
    left: 0;
}

/* Layout */
.container {
    max-width: 46rem;
    margin: 0 auto;
    padding: 0 1.25rem;
}

/* Header */
header {
    border-bottom: 1px solid var(--border);
}

header .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 0.5rem 1rem;
    padding-top: 0.875rem;
    padding-bottom: 0.875rem;
}

.wordmark {
    font-weight: 700;
    font-size: 1.125rem;
    color: var(--text);
    letter-spacing: -0.01em;
}

.wordmark span {
    color: var(--accent-text);
}

header nav {
    display: flex;
    align-items: center;
    gap: 1.125rem;
    flex-wrap: wrap;
}

header nav a {
    color: var(--text);
}

#theme-toggle {
    background: none;
    border: 1px solid var(--border);
    border-radius: 6px;
    color: var(--text);
    cursor: pointer;
    padding: 0.25rem 0.625rem;
    line-height: 1.4;
}

#theme-toggle:hover {
    background: var(--bg-soft);
}

/* Prose */
main {
    padding: 2.5rem 0 4rem;
}

section {
    margin-bottom: 3.5rem;
}

h1 {
    font-size: clamp(2rem, 5vw, 2.625rem);
    line-height: 1.15;
    letter-spacing: -0.02em;
    margin-bottom: 1rem;
}

h2 {
    font-size: 1.625rem;
    line-height: 1.25;
    letter-spacing: -0.01em;
    margin-bottom: 0.875rem;
    padding-top: 0.5rem;
}

h3 {
    font-size: 1.1875rem;
    margin: 1.75rem 0 0.5rem;
}

p {
    margin-bottom: 1rem;
}

ul,
ol {
    margin: 0 0 1rem 1.375rem;
}

li {
    margin-bottom: 0.375rem;
}

.lede {
    font-size: 1.1875rem;
    color: var(--text-muted);
    max-width: 40rem;
}

.hero {
    padding-top: 1rem;
}

.cta {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 0.75rem;
    margin: 1.5rem 0;
}

.cta .install {
    background: var(--bg-soft);
    border: 1px solid var(--border);
    border-radius: 6px;
    padding: 0.5rem 0.875rem;
    font-size: 0.9375rem;
}

main .cta a.btn {
    display: inline-block;
    border: 1px solid var(--border);
    border-radius: 6px;
    padding: 0.5rem 0.875rem;
    font-size: 0.9375rem;
    font-weight: 600;
    text-decoration: none;
    line-height: 1.4;
}

main .cta a.btn:first-of-type {
    border-color: var(--accent-text);
    color: var(--bg);
    background: var(--accent-text);
}

main .cta a.btn:hover {
    text-decoration: underline;
}

.provenance {
    font-size: 0.875rem;
    color: var(--text-muted);
    margin: -0.5rem 0 1.5rem;
}

.provenance a {
    color: var(--text-muted);
}

/* Code */
pre {
    background: var(--code-bg);
    color: var(--code-text);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 1rem 1.125rem;
    overflow-x: auto;
    margin-bottom: 1rem;
    font-size: 0.875rem;
    line-height: 1.6;
    tab-size: 4;
}

:not(pre) > code {
    background: var(--code-bg);
    border: 1px solid var(--border);
    border-radius: 4px;
    padding: 0.1em 0.35em;
    font-size: 0.875em;
}

.c { color: var(--code-comment); }
.k { color: var(--code-keyword); }
.s { color: var(--code-string); }
.n { color: var(--code-number); }

.caption,
.playground {
    font-size: 0.9375rem;
    border-left: 3px solid var(--border);
    padding-left: 0.875rem;
    margin-top: -0.375rem;
    margin-bottom: 1.5rem;
}

.caption {
    color: var(--text-muted);
}

/* Diagrams */
.diagram {
    margin: 0 0 1rem;
    overflow-x: auto;
}

.diagram svg {
    display: block;
    min-width: 40rem;
    width: 100%;
    height: auto;
}

.diagram .d-env {
    font-size: 12px;
    fill: var(--text-muted);
}

.diagram .d-hop {
    font-size: 12px;
    fill: var(--accent-text);
    font-family: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas,
        "Liberation Mono", monospace;
}

.diagram .d-cmd {
    font-size: 14px;
    fill: var(--text);
    font-family: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas,
        "Liberation Mono", monospace;
}

.diagram .d-code {
    font-size: 12px;
    fill: var(--accent-text);
    font-family: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas,
        "Liberation Mono", monospace;
}

.diagram figcaption {
    min-width: 40rem;
}

/* Fact list */
.facts {
    list-style: none;
    margin-left: 0;
    display: flex;
    flex-direction: column;
    gap: 0.875rem;
}

.facts li {
    margin: 0;
}

/* Machine grid */
.machine-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(19rem, 1fr));
    gap: 0.875rem;
    margin-bottom: 1.25rem;
}

.machine-grid > div {
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 0.875rem 1rem;
    background: var(--bg-soft);
}

.machine-grid h3 {
    margin: 0 0 0.375rem;
    font-size: 1rem;
}

.machine-grid pre {
    margin: 0;
    padding: 0.5rem 0.75rem;
    font-size: 0.8125rem;
    background: var(--bg);
}

.machine-grid p {
    font-size: 0.9375rem;
    color: var(--text-muted);
    margin: 0.5rem 0 0;
}

/* Tables */
table {
    border-collapse: collapse;
    width: 100%;
    margin-bottom: 1rem;
    font-size: 0.9375rem;
}

th,
td {
    text-align: left;
    padding: 0.5rem 0.75rem;
    border-bottom: 1px solid var(--border);
}

th {
    font-weight: 600;
}

td code {
    white-space: nowrap;
}

.table-scroll {
    overflow-x: auto;
    margin-bottom: 1rem;
}

.table-scroll table {
    margin-bottom: 0;
}

/* Footer */
footer {
    border-top: 1px solid var(--border);
    padding: 1.5rem 0 2rem;
    color: var(--text-muted);
    font-size: 0.9375rem;
}

footer .container {
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 0.5rem 1.5rem;
}

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

@media (max-width: 40rem) {
    body {
        font-size: 1rem;
    }

    pre {
        font-size: 0.8125rem;
        padding: 0.875rem 1rem;
    }
}