/* Navigation Styles */
.main-navigation {
  background-color: #f8f9fa;
  padding: 1rem 0;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.nav-menu {
  display: flex;
  list-style: none;
  margin: 0;
  padding: 0;
  justify-content: center;
  align-items: center;
  flex-wrap: wrap;
}

.nav-item {
  position: relative;
  margin: 0 1rem;
}

.nav-link {
  color: #333;
  text-decoration: none;
  font-weight: 500;
  padding: 0.5rem 1rem;
  display: block;
  transition: color 0.3s;
}

.nav-link:hover {
  color: #4a90e2;
}

.nav-link.active {
  color: #4a90e2;
}

.nav-item.active > .nav-link {
  color: #4a90e2;
}

/* Search in navigation */
.nav-item.nav-search {
  margin-left: auto;
}

.nav-search-form {
  display: flex;
  align-items: center;
}

.nav-search-input {
  padding: 0.5rem;
  border: 1px solid #e0e0e0;
  border-radius: 4px 0 0 4px;
  font-size: 0.9rem;
  min-width: 200px;
}

.nav-search-button {
  padding: 0.5rem 0.75rem;
  background-color: #4a90e2;
  color: white;
  border: none;
  border-radius: 0 4px 4px 0;
  cursor: pointer;
  transition: background-color 0.3s;
}

.nav-search-button:hover {
  background-color: #3a80d2;
}

/* Dropdown styles */
.sub-menu {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  background-color: white;
  min-width: 200px;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
  z-index: 100;
  padding: 0.5rem 0;
  list-style: none;
  border-radius: 4px;
}

.nav-item.has-children:hover .sub-menu {
  display: block;
}

.sub-menu .nav-item {
  margin: 0;
}

.sub-menu .nav-link {
  padding: 0.5rem 1rem;
}

.sub-menu .sub-menu {
  top: 0;
  left: 100%;
}

/* Responsive styles */
@media (max-width: 768px) {
  .nav-menu {
    flex-direction: column;
    align-items: center;
  }

  .nav-item {
    margin: 0.5rem 0;
    width: 100%;
    text-align: center;
  }

  .nav-item.nav-search {
    margin-left: 0;
    width: 100%;
  }

  .nav-search-form {
    width: 100%;
    margin-top: 0.5rem;
  }

  .nav-search-input {
    min-width: 0;
    width: 100%;
  }

  .sub-menu {
    position: static;
    display: none;
    box-shadow: none;
    width: 100%;
    background-color: #f8f9fa;
  }

  .nav-item.has-children:hover .sub-menu {
    display: block;
  }
}