:root {
  --bg: #0f1115;
  --fg: #e7e9ee;
  --muted: #8a93a3;
  --card: #181b22;
  --border: #262a33;
  --ok: #1f7a4d;
  --warn: #7a5b1f;
  --err: #8a2a2a;
  --accent: #4a90e2;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, sans-serif;
  background: var(--bg);
  color: var(--fg);
  line-height: 1.5;
}

main {
  max-width: 760px;
  margin: 2rem auto;
  padding: 0 1rem;
}

h1 { margin-top: 0; font-size: 1.6rem; }
h2 { font-size: 1.1rem; margin-top: 0; }

.lede { color: var(--muted); }

form {
  display: flex;
  gap: 0.5rem;
  align-items: center;
  flex-wrap: wrap;
  margin: 1.5rem 0;
}

label {
  display: none;
}

input[type="text"] {
  flex: 1 1 320px;
  padding: 0.6rem 0.75rem;
  font-size: 1rem;
  background: var(--card);
  color: var(--fg);
  border: 1px solid var(--border);
  border-radius: 6px;
}

input[type="text"]:focus {
  outline: 2px solid var(--accent);
  outline-offset: 1px;
}

button {
  padding: 0.6rem 1.1rem;
  font-size: 1rem;
  background: var(--accent);
  color: white;
  border: none;
  border-radius: 6px;
  cursor: pointer;
}

button:hover { filter: brightness(1.1); }

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-left: 4px solid var(--border);
  border-radius: 6px;
  padding: 1rem 1.25rem;
  margin: 1rem 0;
}

.card.ok    { border-left-color: var(--ok); }
.card.warn  { border-left-color: var(--warn); }
.card.error { border-left-color: var(--err); }

code {
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  background: rgba(255,255,255,0.05);
  padding: 0.05rem 0.3rem;
  border-radius: 3px;
  font-size: 0.92em;
  word-break: break-all;
}

ol { margin: 0.5rem 0 0 1.25rem; padding: 0; }

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.92rem;
}

th, td {
  text-align: left;
  padding: 0.4rem 0.5rem;
  border-bottom: 1px solid var(--border);
  vertical-align: top;
}

th { color: var(--muted); font-weight: 600; }

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

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

a { color: var(--accent); }