:root {
  --bg: #f6f7f9;
  --card: #ffffff;
  --border: #e2e5ea;
  --text: #1f2430;
  --muted: #667085;
  --accent: #2454ff;
  --pass: #1a7f37;
  --fail: #c9262f;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: -apple-system, Segoe UI, Roboto, Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
}
header.topbar {
  background: var(--card);
  border-bottom: 1px solid var(--border);
  padding: 14px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
header.topbar .brand { font-weight: 700; font-size: 1.05rem; }
header.topbar nav a {
  color: var(--muted);
  text-decoration: none;
  margin-left: 18px;
  font-size: 0.92rem;
}
header.topbar nav a:hover { color: var(--text); }
main { max-width: 960px; margin: 32px auto; padding: 0 20px; }
.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 24px;
  margin-bottom: 20px;
}
h1 { font-size: 1.4rem; margin-top: 0; }
h2 { font-size: 1.1rem; }
table { width: 100%; border-collapse: collapse; }
th, td { text-align: left; padding: 10px 8px; border-bottom: 1px solid var(--border); font-size: 0.92rem; }
th { color: var(--muted); font-weight: 600; }
.badge { padding: 2px 9px; border-radius: 999px; font-size: 0.78rem; font-weight: 600; }
.badge.pass { background: #e8f7ec; color: var(--pass); }
.badge.fail { background: #fbe9e9; color: var(--fail); }
a.button, button {
  display: inline-block;
  background: var(--accent);
  color: #fff;
  border: none;
  padding: 9px 16px;
  border-radius: 7px;
  font-size: 0.9rem;
  cursor: pointer;
  text-decoration: none;
}
a.button.secondary, button.secondary { background: #fff; color: var(--text); border: 1px solid var(--border); }
input[type=text], input[type=email], input[type=password] {
  padding: 9px 11px;
  border: 1px solid var(--border);
  border-radius: 7px;
  width: 100%;
  font-size: 0.92rem;
  margin-bottom: 12px;
}
label { font-size: 0.85rem; color: var(--muted); display: block; margin-bottom: 4px; }
.error-box { background: #fbe9e9; color: var(--fail); padding: 10px 14px; border-radius: 7px; margin-bottom: 16px; font-size: 0.9rem; }
.muted { color: var(--muted); }
.login-shell { max-width: 380px; margin: 90px auto; }
.divider { text-align: center; color: var(--muted); margin: 16px 0; font-size: 0.85rem; }
.key-reveal { background: #fff8e6; border: 1px solid #f0d98c; padding: 14px; border-radius: 8px; font-family: monospace; word-break: break-all; }