:root {
  --bg: #f5f6f8;
  --card: #ffffff;
  --text: #16181d;
  --muted: #6b7280;
  --line: #e2e5ea;
  --accent: #1f6feb;
  --ok: #147d4a;
  --error: #c02626;
  --radius: 10px;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0f1115;
    --card: #171a20;
    --text: #e8eaed;
    --muted: #9aa1ac;
    --line: #2a2f38;
    --accent: #4d90fe;
    --ok: #4ade80;
    --error: #f87171;
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 24px;
  background: var(--bg);
  color: var(--text);
  font: 16px/1.5 system-ui, -apple-system, "Segoe UI", sans-serif;
}

.card {
  width: 100%;
  max-width: 430px;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 28px;
  box-shadow: 0 1px 2px rgb(0 0 0 / 0.05), 0 8px 24px rgb(0 0 0 / 0.06);
}

.card__head { margin-bottom: 18px; }

h1 { margin: 0; font-size: 21px; letter-spacing: -0.01em; }
h2 { margin: 10px 0 4px; font-size: 18px; }

.muted { margin: 5px 0 0; color: var(--muted); font-size: 14px; }
.lede { margin: 0 0 18px; font-size: 14px; color: var(--muted); }

label {
  display: block;
  margin: 14px 0 6px;
  font-size: 13px;
  font-weight: 600;
}

input {
  width: 100%;
  padding: 11px 13px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: transparent;
  color: inherit;
  font: inherit;
  font-size: 16px;
}

input:focus {
  outline: 2px solid var(--accent);
  outline-offset: 1px;
  border-color: transparent;
}

button {
  width: 100%;
  padding: 11px 16px;
  margin-top: 9px;
  border-radius: var(--radius);
  border: 1px solid transparent;
  font: inherit;
  font-weight: 600;
  cursor: pointer;
}

button:disabled { opacity: 0.55; cursor: not-allowed; }

.primary { background: var(--accent); color: #fff; margin-top: 18px; }
.secondary { background: transparent; border-color: var(--line); color: var(--text); }
.danger { background: transparent; border-color: transparent; color: var(--error); font-size: 13px; }

.scope {
  margin-top: 20px;
  padding: 13px 15px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  font-size: 13px;
  color: var(--muted);
}
.scope strong { color: var(--text); }
.scope ul { margin: 7px 0; padding-left: 18px; }
.scope p { margin: 7px 0 0; }

.banner {
  margin: 0 0 18px;
  padding: 8px 11px;
  border: 1px dashed var(--accent);
  border-radius: 8px;
  color: var(--accent);
  font-size: 12px;
  font-weight: 600;
}

.tick {
  width: 46px;
  height: 46px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: color-mix(in srgb, var(--ok) 15%, transparent);
  color: var(--ok);
  font-size: 24px;
  font-weight: 700;
}

.tick--bad {
  background: color-mix(in srgb, var(--error) 15%, transparent);
  color: var(--error);
}

.kv {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 7px 16px;
  margin: 18px 0 16px;
  font-size: 14px;
}
.kv dt { color: var(--muted); }
.kv dd { margin: 0; overflow-wrap: anywhere; }

.mono { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 12px; }

details { margin-bottom: 14px; font-size: 13px; }
summary { cursor: pointer; color: var(--muted); }

pre {
  max-height: 180px;
  overflow: auto;
  margin: 8px 0 0;
  padding: 10px;
  border: 1px solid var(--line);
  border-radius: 8px;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
}

.status { margin: 16px 0 0; min-height: 20px; font-size: 13.5px; }
.status--info { color: var(--muted); }
.status--ok { color: var(--ok); }
.status--error { color: var(--error); }