:root {
  color-scheme: light dark;
  --bg: #fcfcfa;
  --fg: #1c1d1f;
  --muted: #55585d;
  --line: #d9d9d4;
  --panel: #f1f1ec;
  --link: #0b57a4;
  --warn-bg: #fdecea;
  --warn-line: #b3261e;
  --warn-fg: #5c0f0a;
  --green: #1d7a3e;
  --red: #c62828;
  --blue: #1f5fbf;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #15171a;
    --fg: #e6e6e3;
    --muted: #a5a8ad;
    --line: #33363b;
    --panel: #1e2024;
    --link: #8ab8f0;
    --warn-bg: #3a1714;
    --warn-line: #f28b82;
    --warn-fg: #fbd9d5;
    --green: #4cc274;
    --red: #f06a62;
    --blue: #6f9ef0;
  }
}

*, *::before, *::after { box-sizing: border-box; }

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

body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font: 1.0625rem/1.6 system-ui, -apple-system, "Segoe UI", Roboto, "Noto Sans", Helvetica, Arial, sans-serif;
}

.wrap { max-width: 44rem; margin: 0 auto; padding: 0 1rem; }

a { color: var(--link); text-underline-offset: 0.15em; }
a:focus-visible { outline: 2px solid var(--link); outline-offset: 2px; border-radius: 2px; }

.skip { position: absolute; left: -9999px; }
.skip:focus { left: 1rem; top: 1rem; background: var(--bg); padding: 0.5rem 0.75rem; z-index: 1; }

header { border-bottom: 1px solid var(--line); padding: 2.5rem 0 1.25rem; }
header h1 { margin: 0; font-size: 2rem; line-height: 1.2; letter-spacing: -0.01em; }
header p { margin: 0.5rem 0 0; color: var(--muted); }

nav ul { list-style: none; margin: 1rem 0 0; padding: 0; display: flex; flex-wrap: wrap; gap: 0.25rem 1.25rem; }

main section { padding-top: 1.5rem; }
h2 { font-size: 1.375rem; line-height: 1.3; margin: 1.25rem 0 0.5rem; }
h3 { font-size: 1.0625rem; margin: 1.25rem 0 0.25rem; }
p, ul, ol { margin: 0.5rem 0 0.75rem; }
li { margin: 0.25rem 0; }
li > p { margin: 0.25rem 0; }

code { font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, "Liberation Mono", monospace; font-size: 0.92em; overflow-wrap: anywhere; }

.warning {
  margin: 1.5rem 0 0;
  padding: 0.75rem 1rem;
  background: var(--warn-bg);
  color: var(--warn-fg);
  border-left: 4px solid var(--warn-line);
  border-radius: 4px;
}
.warning h2 { margin-top: 0.25rem; color: inherit; }

.downloads { list-style: none; padding: 0; }
.downloads li { border-top: 1px solid var(--line); padding: 0.5rem 0; margin: 0; }
.downloads li:last-child { border-bottom: 1px solid var(--line); }
.downloads a { font-weight: 600; }
.size { color: var(--muted); white-space: nowrap; }
.downloads p { margin: 0.125rem 0 0; }

.leds { list-style: none; padding: 0; }
.leds li { display: flex; gap: 0.75rem; align-items: baseline; }
.led { flex: none; display: inline-block; width: 0.8em; height: 0.8em; border-radius: 50%; position: relative; top: 0.05em; }
.led.green { background: var(--green); }
.led.red { background: var(--red); }
.led.blue { background: var(--blue); }
.led.off { box-shadow: inset 0 0 0 1.5px var(--muted); }
.led.red-green { background: linear-gradient(90deg, var(--red) 50%, var(--green) 50%); }

.note { background: var(--panel); border-radius: 4px; padding: 0.5rem 0.75rem; }

footer { border-top: 1px solid var(--line); margin-top: 2.5rem; padding: 1rem 0 2rem; color: var(--muted); font-size: 0.9375rem; }

pre { background: var(--panel); border-radius: 4px; padding: 0.5rem 0.75rem; margin: 0.5rem 0 0.75rem; white-space: pre-wrap; }
pre code { overflow-wrap: anywhere; }

table { border-collapse: collapse; margin: 0.5rem 0 0.75rem; }
th, td { text-align: left; vertical-align: top; padding: 0.25rem 0.75rem 0.25rem 0; border-bottom: 1px solid var(--line); }
pre.cmd { white-space: pre; overflow-x: auto; }
pre.cmd code { overflow-wrap: normal; }
.nb { white-space: nowrap; }