* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: system-ui, -apple-system, sans-serif;
  background: #f4f5f7;
  color: #1f2430;
}
nav {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 0.75rem 1.5rem;
  background: #1f2430;
  color: #fff;
}
nav .brand { font-weight: 700; margin-right: 1rem; }
nav a { color: #cdd3e0; text-decoration: none; }
nav a:hover { color: #fff; }
nav form { margin-left: auto; }
main { max-width: 960px; margin: 0 auto; padding: 1.5rem; }
h1 { margin-top: 0; }

.cards { display: flex; gap: 1rem; flex-wrap: wrap; }
.card {
  background: #fff;
  border-radius: 8px;
  padding: 1rem 1.25rem;
  box-shadow: 0 1px 3px rgba(0,0,0,0.08);
  flex: 1 1 220px;
}
.card h3 { margin: 0 0 0.5rem; font-size: 0.85rem; text-transform: uppercase; color: #6b7280; }

table { width: 100%; border-collapse: collapse; background: #fff; border-radius: 8px; overflow: hidden; }
th, td { text-align: left; padding: 0.6rem 0.8rem; border-bottom: 1px solid #e5e7eb; }
thead th { background: #eef0f4; font-size: 0.8rem; text-transform: uppercase; color: #6b7280; }
table.kv { background: transparent; }
table.kv th { width: 200px; color: #6b7280; }

.badge { padding: 0.15rem 0.5rem; border-radius: 999px; font-size: 0.75rem; }
.badge.ok { background: #d1fae5; color: #065f46; }
.badge.err { background: #fee2e2; color: #991b1b; }
.badge.muted { background: #e5e7eb; color: #4b5563; }
.muted { color: #6b7280; }
.error { color: #991b1b; }

button, .button {
  background: #2563eb;
  color: #fff;
  border: none;
  border-radius: 6px;
  padding: 0.45rem 0.9rem;
  cursor: pointer;
  font-size: 0.9rem;
  text-decoration: none;
  display: inline-block;
}
button:hover, .button:hover { background: #1d4ed8; }
button.danger { background: #dc2626; }
button.danger:hover { background: #b91c1c; }
button.link { background: none; padding: 0; color: #cdd3e0; }
button.link:hover { color: #fff; background: none; }
form.inline { display: inline; }
.actions form { margin-right: 0.25rem; }
.actions-row { margin-top: 1rem; display: flex; gap: 0.5rem; }

input {
  padding: 0.45rem 0.6rem;
  border: 1px solid #d1d5db;
  border-radius: 6px;
  font-size: 0.9rem;
}
.add-peer { display: flex; gap: 0.5rem; align-items: center; margin-bottom: 0.25rem; flex-wrap: wrap; }
input.narrow { width: 80px; }
input.mid { width: 160px; }
.breadcrumbs { margin-bottom: 1rem; font-size: 0.85rem; color: #6b7280; }
.breadcrumbs a { color: #2563eb; text-decoration: none; }
.breadcrumbs a:hover { text-decoration: underline; }
.config-card { margin-top: 1rem; }
.config-card pre {
  background: #1f2430;
  color: #d6e2ff;
  padding: 1rem;
  border-radius: 6px;
  overflow-x: auto;
  font-size: 0.85rem;
}
form.stack label { display: block; margin-bottom: 0.5rem; }
form.stack { margin-top: 0.75rem; }

.login-page { display: flex; align-items: center; justify-content: center; min-height: 100vh; }
.login-box {
  background: #fff;
  padding: 2rem;
  border-radius: 10px;
  box-shadow: 0 4px 16px rgba(0,0,0,0.1);
  width: 320px;
}
.login-box h1 { font-size: 1.3rem; text-align: center; }
.login-box label { display: block; margin-bottom: 0.75rem; font-size: 0.9rem; }
.login-box input { width: 100%; margin-top: 0.25rem; }
.login-box button { width: 100%; margin-top: 0.5rem; }

.qr { max-width: 220px; display: block; margin-bottom: 0.5rem; }
code { word-break: break-all; font-size: 0.85em; }