.header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.75rem 1.5rem;
    background-color: white;
    border-bottom: 1px solid #e5e7eb;
    box-shadow: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  }
  
  .header-left {
    display: flex;
    align-items: center;
  }
  
  .header-logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
  }
  .logo-icon {
    width: 1.8rem;
    height: 1.8rem;
    color: #6A7282;
    filter: brightness(0) saturate(100%) invert(44%) sepia(24%) saturate(263%) hue-rotate(182deg) brightness(95%) contrast(88%);
  }
  
  .logo-text {
    font-weight: 600;
    font-size: 1.5rem;
    color: #111827;
  }
  
  .header-right {
    display: flex;
    align-items: center;
    gap: 1.5rem;
  }
  
  .notification-badge {
    position: relative;
    cursor: pointer;
  }
  
  .notification-icon {
    font-size: 1.25rem;
  }
  
  .notification-count {
    position: absolute;
    top: -8px;
    right: -8px;
    background-color: #ef4444;
    color: white;
    font-size: 0.55rem;
    padding: 0.125rem 0.375rem;
    border-radius: 9999px;
    font-weight: 500;
  }
  
  .language-selector {
    padding: 0.375rem 0.75rem;
    background-color: #f3f4f6;
    border-radius: 0.375rem;
    font-size: 0.875rem;
    font-weight: 500;
    color: #4b5563;
    cursor: pointer;
  }
  
  .user-menu {
    position: relative;
    cursor: pointer;
  }
  
  .user-menu-trigger {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 12px;
    border-radius: 6px;
    transition: background-color 0.2s;
  }
  
  .user-menu-trigger:hover {
    background-color: rgba(0, 0, 0, 0.05);
  }
  
  .user-dropdown-menu {
    position: absolute;
    top: 100%;
    right: 0;
    width: 220px;
    background: white;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    padding: 8px 0;
    margin-top: 8px;
    display: none;
    z-index: 1000;
  }
  
  .user-menu.active .user-dropdown-menu {
    display: block;
  }
  
  .dropdown-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 16px;
    color: #333;
    text-decoration: none;
    transition: background-color 0.2s;
  }
  
  .dropdown-item:hover {
    background-color: rgba(0, 0, 0, 0.05);
  }
  
  .dropdown-item .icon {
    width: 20px;
    height: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
  }
  
  .dropdown-item .icon img {
    width: 16px;
    height: 16px;
  }
  
  .dropdown-divider {
    height: 1px;
    background-color: #eee;
    margin: 8px 0;
  }
  
  .user-dropdown-menu {
    opacity: 0;
    transform: translateY(-10px);
    transition: opacity 0.2s, transform 0.2s;
  }
  
  .user-menu.active .user-dropdown-menu {
    opacity: 1;
    transform: translateY(0);
  }
  
  @media (max-width: 640px) {
    .header {
      padding: 0.75rem 1rem;
    }
    
    .logo-text {
      display: none;
    }
    
    .header-right {
      gap: 1rem;
    }
  }

  .login-button {
    background-color: #252162;
    color: white;
    font-weight: 600;
    font-size: 1rem;
    padding: 10px 20px;
    border-radius: 5px;
    text-decoration: none;
  }

  .login-button:hover {
    background-color: #4c44a0;
    color: white;
    text-decoration: none;
  }