:root {
  --bg: #f4f5f7;
  --card: #ffffff;
  --ink: #1c2530;
  --muted: #6b7785;
  --line: #dfe3e8;
  --primary: #1565c0;
  --danger: #c62828;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font: 15px/1.5 system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
  color: var(--ink);
  background: var(--bg);
}
.topbar {
  display: flex; align-items: center; justify-content: space-between;
  padding: 12px 20px; background: var(--ink); color: #fff;
}
.brand { color: #fff; text-decoration: none; font-weight: 600; }
.who { display: flex; gap: 14px; align-items: center; font-size: 14px; }
.wrap { max-width: 920px; margin: 24px auto; padding: 0 16px; }
h1 { font-size: 22px; margin: 0 0 4px; }
h2 { font-size: 17px; margin: 0 0 12px; }
.muted { color: var(--muted); }
.small { font-size: 13px; }
.card {
  background: var(--card); border: 1px solid var(--line); border-radius: 10px;
  padding: 18px 20px; margin: 16px 0;
}
.card.narrow { max-width: 460px; margin: 40px auto; }
summary { cursor: pointer; }
label { display: block; margin: 10px 0; font-size: 14px; color: var(--muted); }
label.check { display: flex; gap: 8px; align-items: center; color: var(--ink); }
input, select {
  display: block; width: 100%; margin-top: 4px; padding: 9px 10px;
  border: 1px solid var(--line); border-radius: 6px; font-size: 14px; color: var(--ink);
}
label.check input { width: auto; margin: 0; }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 4px 16px; }
.form-grid .full { grid-column: 1 / -1; }
.form-inline { display: flex; gap: 8px; align-items: flex-end; flex-wrap: wrap; }
.form-inline label { margin: 0; }
.form-inline input[type=password], .form-inline input[type=text] { width: auto; }
button {
  font: inherit; cursor: pointer; border: 0; border-radius: 6px;
  padding: 9px 16px; background: #e9edf2; color: var(--ink);
}
button.primary { background: var(--primary); color: #fff; }
button.danger { background: var(--danger); color: #fff; }
button.small { padding: 6px 10px; font-size: 13px; }
button.link, .link { background: none; color: var(--primary); text-decoration: none; padding: 0; }
button.copy { background: #e9edf2; padding: 6px 10px; font-size: 13px; }
.primary-link {
  display: inline-block; margin-top: 10px; padding: 9px 16px;
  background: var(--primary); color: #fff; border-radius: 6px; text-decoration: none;
}
.inline { display: inline; }
table.grid { width: 100%; border-collapse: collapse; font-size: 14px; }
table.grid th, table.grid td { text-align: left; padding: 8px 10px; border-bottom: 1px solid var(--line); }
table.grid th { color: var(--muted); font-weight: 600; }
code { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; }
.secret {
  display: block; background: #f0f3f6; border: 1px solid var(--line); border-radius: 6px;
  padding: 8px 10px; word-break: break-all; margin: 4px 0;
}
.secret.tiny { font-size: 12px; }
.field { margin: 14px 0; }
.field-label { display: block; font-size: 13px; color: var(--muted); margin-bottom: 2px; }
.codes { columns: 2; list-style: none; padding: 10px; margin: 4px 0;
  background: #f0f3f6; border: 1px solid var(--line); border-radius: 6px;
  font-family: ui-monospace, monospace; font-size: 13px; }
.alert { padding: 10px 14px; border-radius: 8px; margin: 0 0 14px; }
.alert.error { background: #fdecea; color: var(--danger); border: 1px solid #f5c6c2; }
.copied { background: #c8e6c9 !important; }