:root {
  --bg: #f5f6f8;
  --surface: #ffffff;
  --border: #dfe3e8;
  --text: #1f2933;
  --muted: #616e7c;
  --primary: #2563eb;
  --primary-dark: #1d4ed8;
  --danger: #dc2626;
  --success: #16a34a;
  --warning: #b45309;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: -apple-system, Segoe UI, Roboto, Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
}

a { color: var(--primary); text-decoration: none; }
a:hover { text-decoration: underline; }

.topbar {
  display: flex;
  align-items: center;
  gap: 24px;
  padding: 12px 24px;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
}

.topbar .brand { font-weight: 700; font-size: 1.1rem; color: var(--text); }
.topbar nav { display: flex; gap: 16px; flex: 1; }
.topbar .user-info { display: flex; align-items: center; gap: 12px; color: var(--muted); font-size: 0.9rem; }

.container {
  max-width: 1100px;
  margin: 24px auto;
  padding: 0 16px 48px;
}

h1, h2, h3 { color: var(--text); }

.flashes { margin-bottom: 16px; }
.flash {
  padding: 10px 14px;
  border-radius: 6px;
  margin-bottom: 8px;
  font-size: 0.95rem;
}
.flash-success { background: #dcfce7; color: #166534; }
.flash-danger { background: #fee2e2; color: #991b1b; }
.flash-warning { background: #fef3c7; color: #92400e; }
.flash-info { background: #dbeafe; color: #1e40af; }

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 20px;
  margin-bottom: 20px;
}

table { width: 100%; border-collapse: collapse; }
th, td { text-align: left; padding: 10px 12px; border-bottom: 1px solid var(--border); }
th { color: var(--muted); font-weight: 600; font-size: 0.85rem; text-transform: uppercase; }

.btn {
  display: inline-block;
  padding: 8px 14px;
  border-radius: 6px;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text);
  cursor: pointer;
  font-size: 0.9rem;
}
.btn:hover { background: var(--bg); text-decoration: none; }
.btn-primary { background: var(--primary); color: #fff; border-color: var(--primary); }
.btn-primary:hover { background: var(--primary-dark); }
.btn-danger { background: var(--danger); color: #fff; border-color: var(--danger); }
.btn-sm { padding: 4px 10px; font-size: 0.8rem; }

form.inline { display: inline; }

.form-group { margin-bottom: 16px; }
.form-group label { display: block; margin-bottom: 6px; font-weight: 600; font-size: 0.9rem; }
.form-group .hint { color: var(--muted); font-size: 0.8rem; margin-top: 4px; }
input[type=text], input[type=password], input[type=number], input[type=email], select, textarea {
  width: 100%;
  padding: 8px 10px;
  border: 1px solid var(--border);
  border-radius: 6px;
  font-size: 0.95rem;
  font-family: inherit;
}
textarea { font-family: "Courier New", monospace; }
textarea.config-input { min-height: 160px; }

.status-ok { color: var(--success); font-weight: 600; }
.status-bad { color: var(--danger); font-weight: 600; }

pre.config-view {
  background: #0f172a;
  color: #e2e8f0;
  padding: 16px;
  border-radius: 8px;
  overflow-x: auto;
  max-height: 500px;
  font-size: 0.85rem;
}

.diff-view { background: #0f172a; border-radius: 8px; padding: 16px; overflow-x: auto; font-size: 0.85rem; font-family: "Courier New", monospace; }
.diff-add { color: #4ade80; }
.diff-remove { color: #f87171; }
.diff-context { color: #94a3b8; }

.facts-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: 12px; margin-bottom: 20px; }
.facts-grid .fact { background: var(--bg); border-radius: 6px; padding: 10px 12px; }
.facts-grid .fact .label { color: var(--muted); font-size: 0.75rem; text-transform: uppercase; }
.facts-grid .fact .value { font-size: 1rem; font-weight: 600; }

.badge { display: inline-block; padding: 2px 8px; border-radius: 10px; font-size: 0.75rem; font-weight: 600; }
.badge-admin { background: #ede9fe; color: #5b21b6; }
.badge-operator { background: #dbeafe; color: #1e40af; }
.badge-viewer { background: #f1f5f9; color: #475569; }
.badge-up { background: #dcfce7; color: #166534; }
.badge-down { background: #fee2e2; color: #991b1b; }

.filters { display: flex; gap: 12px; margin-bottom: 16px; }
.filters select { width: auto; }

.actions-row { display: flex; justify-content: space-between; align-items: center; margin-bottom: 16px; }

.search-box { margin-bottom: 10px; }

.tabs { display: flex; gap: 4px; margin-bottom: 16px; border-bottom: 1px solid var(--border); }
.tabs a { padding: 8px 16px; border-bottom: 2px solid transparent; color: var(--muted); }
.tabs a.active { color: var(--primary); border-bottom-color: var(--primary); }