:root {
  --panel-sidebar-width: 240px;
  --panel-bg: #f5f6f8;
}

body {
  background: var(--panel-bg);
  min-height: 100vh;
}

.panel-sidebar {
  width: var(--panel-sidebar-width);
  min-height: 100vh;
  background: #1b2430;
  color: #cbd3e1;
  flex-shrink: 0;
}

.panel-sidebar .nav-link {
  color: #cbd3e1;
  border-radius: 6px;
  margin: 2px 8px;
  padding: 0.55rem 0.9rem;
}

.panel-sidebar .nav-link:hover {
  background: rgba(255, 255, 255, 0.08);
  color: #fff;
}

.panel-sidebar .nav-link.active {
  background: #2f6feb;
  color: #fff;
}

.panel-sidebar .nav-link i {
  width: 20px;
  display: inline-block;
  text-align: center;
  margin-right: 6px;
}

.panel-brand {
  color: #fff;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.panel-main {
  flex-grow: 1;
  min-width: 0;
}

.stat-card {
  border: 1px solid #e5e7eb;
  border-radius: 10px;
  background: #fff;
}

.stat-card .stat-value {
  font-size: 1.9rem;
  font-weight: 700;
}

.table-responsive {
  background: #fff;
  border-radius: 10px;
}

.qr-modal-img {
  width: 260px;
  height: 260px;
  background: #fff;
  padding: 12px;
  border-radius: 10px;
}

code.api-key {
  word-break: break-all;
}