:root {
  --card-bg: #ffffff;
  --card-border: rgba(148, 163, 184, 0.3);
}

.sidebar-link {
  display: block;
  padding: 0.6rem 0.8rem;
  border-radius: 0.75rem;
  color: rgba(255, 255, 255, 0.85);
  transition: all 0.2s ease;
}

.sidebar-link:hover {
  background: rgba(255, 255, 255, 0.15);
  color: #fff;
  transform: translateX(4px);
}

.sidebar {
  display: flex;
  flex-direction: column;
}

.sidebar-nav {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.layout-shell {
  display: flex;
  min-height: 100vh;
}

.layout-main {
  flex: 1;
  min-width: 0;
  margin-left: 16rem;
}

.card {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 1rem;
  padding: 1.5rem;
  box-shadow: 0 10px 30px rgba(30, 30, 30, 0.05);
}