.header {
  background-color: white;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
  position: sticky;
  top: 0;
  z-index: 1000;
}

.header-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem;
  max-width: 1200px;
  margin: 0 auto;
}

.logo {
  height: 50px;
  width: auto;
}

.menu-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 1.5rem;
  cursor: pointer;
  padding: 0.5rem;
}

.nav-links {
  display: flex;
  gap: 2rem;
  align-items: center;
}

.nav-link {
  color: #333;
  text-decoration: none;
  font-size: 1.1rem;
  padding: 0.5rem;
}

.nav-link.active {
  color: #00439b;
  font-weight: bold;
}

@media screen and (max-width: 768px) {
  .header-toolbar {
    padding: 0.8rem;
  }

  .logo {
    height: 40px;
  }

  .menu-toggle {
    display: block;
  }

  .nav-links {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: white;
    flex-direction: column;
    padding: 1rem;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
  }

  .nav-links.show {
    display: flex;
  }

  .nav-link {
    width: 100%;
    text-align: center;
    padding: 1rem;
    font-size: 1.2rem;
  }
}

@media screen and (max-width: 480px) {
  .header-toolbar {
    padding: 0.6rem;
  }

  .logo {
    height: 35px;
  }

  .nav-link {
    font-size: 1.1rem;
    padding: 0.8rem;
  }
}

.header-toolbar a {
  display: flex;
  align-items: center;
  text-decoration: none;
}

.nav-item.dropdown {
  position: relative;
  display: inline-block;
}

.dropdown-content {
  display: none;
  position: absolute;
  background-color: #fff;
  min-width: 160px;
  box-shadow: 0 8px 16px rgba(0,0,0,0.2);
  z-index: 1;
  border-radius: 4px;
}

.dropdown-content .dropdown-item {
  color: #333;
  padding: 12px 16px;
  text-decoration: none;
  display: block;
}

.dropdown-content .dropdown-item:hover {
  background-color: #f1f1f1;
}

.nav-item.dropdown:hover .dropdown-content {
  display: block;
}

/* Ajuste para mobile */
@media (max-width: 768px) {
  .dropdown-content {
    position: static;
    box-shadow: none;
    background-color: transparent;
  }
  
  .dropdown-content .dropdown-item {
    padding-left: 30px;
  }
}