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

.sidebar {
  width: 220px;
  min-width: 220px;
  background: var(--bg-secondary);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  padding: 20px 0;
}

.sidebar-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 0 20px 24px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 16px;
}

.logo-icon {
  font-size: 1.4rem;
}

.logo-text {
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--text-primary);
}

.sidebar-nav {
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding: 0 12px;
  flex: 1;
}

.nav-group-label {
  font-size: 0.68rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  padding: 14px 12px 4px;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  border-radius: 8px;
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 500;
  transition: all 0.15s;

  &:hover {
    background: var(--bg-card);
    color: var(--text-primary);
  }

  &.active {
    background: var(--accent-dim);
    color: var(--accent);
  }
}

.nav-icon {
  font-size: 1rem;
  width: 20px;
  text-align: center;
}

.sidebar-footer {
  padding: 0 12px;
  border-top: 1px solid var(--border);
  padding-top: 12px;
  margin-top: 12px;
}

.main-content {
  flex: 1;
  overflow-y: auto;
}
