:root {
  --border: #d8dde3;
  --text: #1c2430;
  --muted: #6b7684;
  --accent: #2557a7;
  --danger: #b3261e;
  --bg: #f7f8fa;
}
* { box-sizing: border-box; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
  margin: 0;
  background: var(--bg);
  color: var(--text);
}
.topnav {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  padding: 0.75rem 1.5rem;
  background: #fff;
  border-bottom: 1px solid var(--border);
}
.topnav .brand { font-weight: 600; margin-right: 1rem; }
.topnav a { color: var(--text); text-decoration: none; }
.topnav a:hover { color: var(--accent); }
.logout-form { margin-left: auto; display: flex; align-items: center; gap: 0.75rem; }
.whoami { color: var(--muted); font-size: 0.9rem; }
.container { max-width: 900px; margin: 2rem auto; padding: 0 1.5rem; }
.page-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 1rem; }
h1 { font-size: 1.4rem; }
h2 { font-size: 1.1rem; margin-top: 2rem; }
.data-table { width: 100%; border-collapse: collapse; background: #fff; }
.data-table th, .data-table td { text-align: left; padding: 0.5rem 0.75rem; border-bottom: 1px solid var(--border); }
.muted { color: var(--muted); }
.warning { color: #8a5300; font-size: 0.85rem; margin-left: 0.5rem; }
.warning-banner { background: #fff4e0; border: 1px solid #e8b45a; padding: 0.75rem 1rem; border-radius: 6px; }
.button, button {
  display: inline-block; background: var(--accent); color: #fff; border: none;
  padding: 0.5rem 1rem; border-radius: 6px; cursor: pointer; text-decoration: none; font-size: 0.95rem;
}
button.link-button { background: none; color: var(--accent); padding: 0; text-decoration: underline; }
button.danger, .danger { background: var(--danger); }
.stacked-form { display: flex; flex-direction: column; gap: 0.9rem; max-width: 480px; }
.stacked-form label { display: flex; flex-direction: column; gap: 0.25rem; font-size: 0.9rem; }
.stacked-form input, .stacked-form select { padding: 0.45rem; border: 1px solid var(--border); border-radius: 4px; font-size: 0.95rem; }
.checkbox-label { flex-direction: row !important; align-items: center; gap: 0.5rem !important; }
fieldset { border: 1px solid var(--border); border-radius: 6px; padding: 1rem; }
legend { padding: 0 0.4rem; font-weight: 600; }
.chain-row { display: flex; align-items: center; gap: 0.75rem; margin-bottom: 0.4rem; }
.chain-row input[type=number] { width: 4rem; }
.search-form { display: flex; gap: 0.5rem; margin-bottom: 1rem; }
.auth-box { max-width: 360px; margin: 4rem auto; background: #fff; padding: 2rem; border-radius: 8px; border: 1px solid var(--border); }
.error { color: var(--danger); }
.danger-form { margin-top: 1rem; }
.danger-zone { margin-top: 2rem; border: 1px solid #e8b45a; border-radius: 6px; padding: 0.75rem 1rem; background: #fffaf0; }
.api-key { display: block; background: #eef1f4; padding: 0.6rem; border-radius: 4px; word-break: break-all; }
.unmapped-group { margin-bottom: 1rem; background: #fff; }
.unmapped-group summary { cursor: pointer; color: var(--accent); margin: 0.5rem 0; }
.unmapped-client-list { margin: 0.25rem 0 0.75rem; padding-left: 1.25rem; }
.unmapped-actions { display: flex; flex-wrap: wrap; gap: 0.75rem; align-items: center; }
.inline-form { display: flex; flex-wrap: wrap; gap: 0.5rem; align-items: center; }
.inline-form input, .inline-form select { padding: 0.4rem; border: 1px solid var(--border); border-radius: 4px; font-size: 0.9rem; }
.inline-form input[name="extension"] { width: 6rem; }