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

.navbar {
  background-color: var(--bg-card);
  border-bottom: 1px solid var(--border-subtle);
  position: sticky;
  top: 0;
  z-index: 40;
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-4);
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-weight: 700;
  font-size: 1.125rem;
  color: var(--text-main);
  text-decoration: none;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  list-style: none;
}

.nav-link {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-md);
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-muted);
  text-decoration: none;
  transition: all 0.15s ease;
}

.nav-link:hover,
.nav-link.active {
  color: var(--text-main);
  background-color: var(--bg-subtle);
  text-decoration: none;
}

.nav-link.active {
  color: var(--primary);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.main-content {
  flex: 1;
  max-width: 1200px;
  width: 100%;
  margin: 0 auto;
  padding: var(--space-6) var(--space-4);
  min-width: 0;
  overflow-x: hidden;
}

.page-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-6);
  flex-wrap: wrap;
  gap: var(--space-4);
}

.page-title {
  font-size: 1.5rem;
  color: var(--text-main);
}

.page-actions {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

@media (max-width: 768px) {
  .navbar {
    max-width: 100vw;
    overflow-x: hidden;
  }
  .nav-container {
    height: auto;
    padding: var(--space-2) var(--space-3);
    flex-wrap: wrap;
    gap: var(--space-2);
    max-width: 100vw;
    box-sizing: border-box;
  }
  .nav-links {
    order: 3;
    width: 100%;
    overflow-x: auto;
    scrollbar-width: none;
    -ms-overflow-style: none;
    padding-bottom: var(--space-1);
    white-space: nowrap;
    -webkit-overflow-scrolling: touch;
  }
  .nav-links::-webkit-scrollbar {
    display: none;
  }
  .nav-link {
    flex-shrink: 0;
  }
  .nav-actions {
    margin-left: auto;
    display: flex;
    align-items: center;
    gap: var(--space-1);
  }
  @media (max-width: 480px) {
    .nav-user-label {
      display: none !important;
    }
  }
}