:root {
  --bg: #ffffff;
  --fg: #1f2328;
  --muted: #59636e;
  --line: #d1d9e0;
  --accent: #2563eb;
  --accent-fg: #ffffff;
  --code-bg: #f6f8fa;
  --err: #b42318;
  --ok: #1a7f37;
  color-scheme: light dark;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0d1117;
    --fg: #e6edf3;
    --muted: #9198a1;
    --line: #30363d;
    --accent: #4493f8;
    --accent-fg: #0d1117;
    --code-bg: #161b22;
    --err: #ff7b72;
    --ok: #3fb950;
  }
}
* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font: 16px/1.5 system-ui, -apple-system, "Segoe UI", sans-serif;
}
main { max-width: 64rem; margin: 0 auto; padding: 1.5rem 1rem 3rem; }
h1 { margin: 0; font-size: 1.75rem; }
h2 { font-size: 1.15rem; margin: 2rem 0 0.75rem; }
header p, footer p, .examples { color: var(--muted); }
code, input, textarea, td.v, td.r { font-family: ui-monospace, "SF Mono", Menlo, Consolas, monospace; }
code { background: var(--code-bg); padding: 0 0.25em; border-radius: 4px; font-size: 0.9em; }
label { display: block; font-weight: 600; margin: 1rem 0 0.4rem; }
.row { display: flex; flex-wrap: wrap; gap: 0.5rem; }
input, textarea {
  width: 100%;
  font-size: 1rem;
  padding: 0.6rem 0.75rem;
  color: var(--fg);
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: 6px;
}
.row input { flex: 1 1 18rem; width: auto; }
button {
  font: inherit;
  padding: 0.55rem 1rem;
  border-radius: 6px;
  border: 1px solid var(--accent);
  background: var(--accent);
  color: var(--accent-fg);
  cursor: pointer;
}
button.secondary { background: transparent; color: var(--accent); }
button.ex { padding: 0; border: 0; background: none; color: var(--accent); font-size: 0.9rem; font-family: ui-monospace, Menlo, monospace; text-decoration: underline dotted; text-underline-offset: 3px; }
.examples { font-size: 0.9rem; margin: 0.75rem 0 0; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
table { width: 100%; border-collapse: collapse; font-size: 0.95rem; }
th, td { text-align: left; vertical-align: top; padding: 0.5rem; border-bottom: 1px solid var(--line); }
th { color: var(--muted); font-weight: 600; }
.facts th.l { width: 13rem; color: var(--fg); }
.facts .v { overflow-wrap: anywhere; }
.facts .v.prose { font-family: inherit; }
.facts .w { color: var(--muted); font-size: 0.85rem; margin-top: 0.15rem; }
.v { font-family: ui-monospace, "SF Mono", Menlo, Consolas, monospace; }
.err { color: var(--err); font-weight: 600; }
textarea { resize: vertical; font-size: 0.85rem; }
footer { margin-top: 3rem; padding-top: 0.75rem; border-top: 1px solid var(--line); font-size: 0.85rem; display: flex; flex-wrap: wrap; justify-content: space-between; gap: 0.25rem 1rem; }
footer p { margin: 0; }
a { color: var(--accent); }
@media (max-width: 40rem) {
  .facts tr { display: block; border-bottom: 1px solid var(--line); padding: 0.4rem 0; }
  .facts th.l, .facts td { display: block; border: 0; padding: 0.1rem 0; width: auto; }
  .tabs a { padding: 0.5rem 0.6rem; }
}
.row.split { align-items: center; margin-top: 0.5rem; }
.row.split label { margin: 0; }
.row.split input { flex: 0 1 14rem; }
.note { color: var(--muted); margin: 0 0 0.5rem; }

.tabs { display: flex; gap: 0.25rem; margin: 1.5rem 0 0; border-bottom: 1px solid var(--line); overflow-x: auto; overflow-y: hidden; scrollbar-width: none; }
.tabs::-webkit-scrollbar { display: none; }
.tabs a { padding: 0.5rem 0.9rem; color: var(--muted); text-decoration: none; font-weight: 600; border-bottom: 2px solid transparent; margin-bottom: -1px; white-space: nowrap; }
.tabs a[aria-selected="true"] { color: var(--fg); border-bottom-color: var(--accent); }
.panel { padding-top: 0.5rem; }
#ipv6 { padding-top: 1rem; }
.verdict { margin: 1.5rem 0 1rem; padding: 1rem 1.25rem; border: 1px solid var(--line); border-left: 4px solid var(--accent); border-radius: 6px; background: var(--code-bg); }
.verdict[data-tone="inside"] { border-left-color: var(--ok); }
.verdict[data-tone="outside"] { border-left-color: var(--err); }
.verdict p { margin: 0; }
.big { font: 600 1.4rem/1.3 ui-monospace, "SF Mono", Menlo, Consolas, monospace; overflow-wrap: anywhere; }
[data-tone="inside"] .big { color: var(--ok); }
[data-tone="outside"] .big { color: var(--err); }
.sub { color: var(--muted); margin-top: 0.25rem !important; }
details#ai { margin-top: 1.5rem; border: 1px solid var(--line); border-radius: 6px; padding: 0.5rem 1rem; }
details#ai summary { cursor: pointer; font-weight: 600; }
pre { background: var(--code-bg); padding: 0.75rem 1rem; border-radius: 6px; overflow-x: auto; font-size: 0.85rem; }
pre code { background: none; padding: 0; }
pre.shell { white-space: pre-wrap; overflow-wrap: anywhere; line-height: 1.6; padding: 1rem 1.25rem; border: 1px solid var(--line); }
pre.shell .c { color: var(--muted); }
.apiline { margin-top: 1rem; font-size: 0.85rem; overflow-wrap: anywhere; }
#api td.v { overflow-wrap: anywhere; width: 45%; }