:root {
  color-scheme: light dark;
  --border: #d8dde3;
  --muted: #6b7280;
  --bg-card: #f7f8fa;
  --accent: #2563eb;
  --danger: #b91c1c;
  --ok: #15803d;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  margin: 0;
  color: #111827;
  background: #fff;
}

main {
  max-width: 920px;
  margin: 0 auto;
  padding: 1.5rem;
}

.topbar {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  padding: 0.75rem 1.5rem;
  border-bottom: 1px solid var(--border);
}

.topbar .brand { font-weight: 600; }
.topbar nav { display: flex; gap: 1rem; flex: 1; }
.topbar nav a { text-decoration: none; color: #111827; }
.topbar-right { display: flex; align-items: center; gap: 0.75rem; color: var(--muted); }

.inline { display: inline; }
.link-button {
  background: none; border: none; padding: 0; color: var(--muted);
  text-decoration: underline; cursor: pointer; font: inherit;
}

h1 { font-size: 1.4rem; }
.count { color: var(--muted); font-weight: normal; }

.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 1rem 1.25rem;
  margin-bottom: 1rem;
}
.card-warning { background: #fff7ed; border-color: #fdba74; }

dl { display: grid; grid-template-columns: max-content 1fr; gap: 0.25rem 1rem; margin: 0; }
dt { color: var(--muted); }
dd { margin: 0; }

table.peers-table { width: 100%; border-collapse: collapse; }
.peers-table th, .peers-table td {
  text-align: left; padding: 0.5rem 0.75rem; border-bottom: 1px solid var(--border);
}
.peers-table tr.revoked-row { opacity: 0.6; }

.badge {
  display: inline-block; padding: 0.1rem 0.5rem; border-radius: 999px;
  font-size: 0.75rem; font-weight: 600;
}
.badge-online { background: #dcfce7; color: var(--ok); }
.badge-offline { background: #fee2e2; color: var(--danger); }
.badge-unknown { background: #e5e7eb; color: var(--muted); }
.badge-revoked { background: #1f2937; color: #fff; }

.filters { margin: 0.75rem 0; display: flex; gap: 1rem; }
.filters a { text-decoration: none; color: var(--muted); }
.filters a.active { color: var(--accent); font-weight: 600; }

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

form label { display: block; margin-bottom: 0.75rem; }
form input[type="text"], form input[type="password"], form textarea {
  display: block; width: 100%; margin-top: 0.25rem; padding: 0.4rem 0.5rem;
  border: 1px solid var(--border); border-radius: 6px; font: inherit; box-sizing: border-box;
}
form label.checkbox { display: flex; align-items: center; gap: 0.5rem; }
form label.checkbox input { width: auto; }

button, .button {
  display: inline-block; padding: 0.5rem 1rem; border-radius: 6px; border: 1px solid var(--accent);
  background: var(--accent); color: #fff; cursor: pointer; font: inherit; text-decoration: none;
}
.button-danger { background: var(--danger); border-color: var(--danger); }

.login-box { max-width: 320px; margin: 4rem auto; }

.cert-block {
  white-space: pre-wrap; word-break: break-all; background: #0b1020; color: #d1d5db;
  padding: 0.75rem; border-radius: 6px; font-size: 0.8rem;
}

.flashes { list-style: none; padding: 0; }
.flash { padding: 0.6rem 0.9rem; border-radius: 6px; margin-bottom: 0.75rem; }
.flash-error { background: #fee2e2; color: var(--danger); }
.flash-success { background: #dcfce7; color: var(--ok); }

.network-info { color: var(--muted); margin-bottom: 0.5rem; }