:root {
  color-scheme: light dark;
  --bg: #f6f7f9;
  --card: #ffffff;
  --ink: #1c2024;
  --muted: #61686f;
  --line: #dfe3e8;
  --brand: #f6821f;
  --ok: #1a7f43;
  --bad: #c0392b;
  --warn: #8a6d1f;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #14171a;
    --card: #1c2024;
    --ink: #e7eaee;
    --muted: #9aa3ac;
    --line: #2c3238;
    --ok: #48c07c;
    --bad: #ef6a5c;
    --warn: #d9b45a;
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  padding: 0 1.25rem 3rem;
  background: var(--bg);
  color: var(--ink);
  font: 15px/1.55 ui-sans-serif, system-ui, -apple-system, "Segoe UI", sans-serif;
}

header { max-width: 860px; margin: 0 auto; padding: 2rem 0 1rem; }
h1 { margin: 0; font-size: 1.6rem; letter-spacing: -0.01em; }
h2 { margin: 0 0 0.35rem; font-size: 1rem; }
.sub { margin: 0.35rem 0 0; color: var(--muted); }
.host { font-family: ui-monospace, SFMono-Regular, Consolas, monospace; color: var(--brand); }

main { max-width: 860px; margin: 0 auto; display: grid; gap: 1rem; }
footer { max-width: 860px; margin: 1.5rem auto 0; }

.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 1rem 1.1rem;
}

.muted { color: var(--muted); }
.small { font-size: 0.85rem; }
p { margin: 0.35rem 0 0.75rem; }

.row { display: flex; flex-wrap: wrap; gap: 0.5rem; align-items: center; }

button {
  font: inherit;
  padding: 0.45rem 0.9rem;
  border-radius: 7px;
  border: 1px solid var(--line);
  background: var(--bg);
  color: var(--ink);
  cursor: pointer;
}
button:hover:not(:disabled) { border-color: var(--brand); }
button:disabled { opacity: 0.5; cursor: progress; }
button.primary { background: var(--brand); border-color: var(--brand); color: #1c2024; font-weight: 600; }

input[type="text"] {
  font: inherit;
  font-family: ui-monospace, SFMono-Regular, Consolas, monospace;
  padding: 0.45rem 0.6rem;
  border-radius: 7px;
  border: 1px solid var(--line);
  background: var(--bg);
  color: var(--ink);
  min-width: 14rem;
}

fieldset { border: 1px solid var(--line); border-radius: 8px; margin: 0 0 0.75rem; padding: 0.6rem 0.8rem; }
legend { color: var(--muted); font-size: 0.85rem; padding: 0 0.3rem; }
fieldset label { display: block; padding: 0.15rem 0; }

code, pre { font-family: ui-monospace, SFMono-Regular, Consolas, monospace; font-size: 0.86rem; }
code { background: var(--bg); border: 1px solid var(--line); border-radius: 4px; padding: 0.05rem 0.3rem; }

pre {
  margin: 0.6rem 0 0;
  padding: 0.8rem;
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: 8px;
  overflow-x: auto;
  white-space: pre-wrap;
  word-break: break-word;
  max-height: 22rem;
}

.identity { color: var(--muted); font-size: 0.9rem; }
.identity.ok { color: var(--ok); }

.pill {
  display: inline-block;
  min-width: 2.6rem;
  text-align: center;
  padding: 0.1rem 0.45rem;
  border-radius: 999px;
  font-weight: 700;
  font-size: 0.8rem;
  color: #fff;
  background: var(--muted);
}
.pill.ok { background: var(--ok); }
.pill.bad { background: var(--bad); }
.pill.warn { background: var(--warn); }

details summary { cursor: pointer; color: var(--muted); }