:root {
  --brand: #6d4aff;
  --brand-dark: #4f34c4;
  --sidebar-width: 220px;
}

body {
  background-color: #f5f7fa;
  min-height: 100vh;
}

.navbar-brand {
  font-weight: 600;
}

.app-navbar {
  background-color: var(--brand-dark);
}

.app-sidebar {
  width: var(--sidebar-width);
  min-height: calc(100vh - 56px);
  background-color: #ffffff;
  border-right: 1px solid #e3e7ec;
}

.app-sidebar .nav-link {
  color: #445069;
  border-radius: 0.4rem;
  padding: 0.55rem 0.9rem;
  font-size: 0.95rem;
}

.app-sidebar .nav-link.active,
.app-sidebar .nav-link:hover {
  background-color: #efeaff;
  color: var(--brand-dark);
}

.app-content {
  padding: 1.5rem;
}

.section-title {
  font-weight: 600;
  color: #2b3648;
}

.empty-state {
  text-align: center;
  color: #94a0b3;
  padding: 1.25rem;
}

.auth-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--brand), var(--brand-dark));
}

.auth-card {
  width: 100%;
  max-width: 420px;
}

.stat-card {
  background: #fff;
  border-radius: 0.5rem;
  padding: 1rem;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.06);
}

.stat-value {
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--brand-dark);
}

.stat-label {
  color: #6b7688;
  font-size: 0.85rem;
}