.header {
  height: 4rem;
  width: 100%;
  position: fixed;
  top: 0;
  left: 0;
  backdrop-filter: blur(20px);
  z-index: 100;
  border-bottom: var(--border);
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0 1rem;
  
  
  .logo-text {
    color: var(--text-2);
    margin-right: 1rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    min-width: 0;
    flex: 1;
    
    span {
      color: var(--text-3);
    }
  }
  
  .nav {
    height: 3rem;
    width: max-content;
    display: flex;
    align-items: center;
    border-radius: 0.8rem;
    background: var(--header__nav-bg);
    
    .line {
      height: 1.4rem;
      width: 1px;
      background: var(--text);
    }
    
    .btn {
      min-width: 3rem;
      width: max-content;
      height: 3rem;
      border-radius: 0.8rem;
      background: none;
      display: flex;
      justify-content: center;
      align-items: center;
      
      span {
        margin-left: 0.4rem;
        display: none;
      }
      
      &.active {
        background: var(--bg-3);
        
        span {
          display: block;
        }
      }
      
      &:hover:hover:hover {
        span {
          display: block;
        }
      }
      
      .svg {
        width: 2rem;
        height: 2rem;
      }
      
      &.theme {
        .light-theme {
          display: none;
        }
        .dark-theme {
          display: block;
        }
        
        &.active {
          background: none;
          
          span {
            display: none;
          }
          
          .light-theme {
            display: block;
          }
          .dark-theme {
            display: none;
          }
        }
      }
    }
  }
}