body { background: #f5f6fa; font-size: 0.9rem; }
.sidebar {
  position: fixed; top: 0; bottom: 0; left: 0; width: 220px;
  background: #1f2937; color: #cbd5e1; overflow-y: auto; z-index: 100;
}
.sidebar .brand { padding: 16px; font-size: 1.05rem; color: #fff; border-bottom: 1px solid #374151; }
.sidebar .nav-link { color: #cbd5e1; padding: 10px 16px; border-radius: 0; }
.sidebar .nav-link:hover { background: #374151; color: #fff; }
.sidebar .nav-link.active { background: #2563eb; color: #fff; }
.content { margin-left: 220px; padding: 20px; }
.card { border: none; box-shadow: 0 1px 3px rgba(0,0,0,.08); }
.json-pre { background: #0f172a; color: #a5f3fc; padding: 12px; border-radius: 6px; font-size: .8rem; max-height: 480px; overflow: auto; }
.badge-ok { background: #16a34a; }
.badge-fail { background: #dc2626; }
.table-sm td, .table-sm th { vertical-align: middle; }
.login-wrap { min-height: 100vh; display: flex; align-items: center; justify-content: center; background: linear-gradient(135deg, #1f2937, #2563eb); }
.login-card { width: 380px; }
.field-hint { color: #94a3b8; font-size: .78rem; }
.required::after { content: " *"; color: #dc2626; }