.user-container {
    display: flex;
    background-color: #0d0e0f; 
    color: #fff;
    min-height: 100vh;
  }
  
  .sidebar {
    width: 250px; 
    background-color: #16171a !important; 
    padding: 20px;
    flex: 0 0 auto;
  }
  
  .sidebar ul {
    list-style: none;
    padding: 0;
    margin: 0;
  }
  
  .sidebar li {
    padding: 10px;
    border-radius: 5px;
    cursor: pointer;
    transition: background-color 0.3s;
    color: #fff; 
  }

  .sidebar li:hover {
    background-color: #37383f; 
  }
  
  .main-content {
    flex: 1 0 auto; 
    padding: 20px;
  }
  
  .user-profile {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px;
    border-radius: 12px;
    background-color: #16171a; 
    color: #fff; 
    margin-bottom: 20px;
  }
  
  .user-info {
    display: flex;
    align-items: center;
  }
  
  .avatar {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    overflow: hidden;
    margin-right: 20px;
  }
  
  .avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
  }
  
  .details h3 {
    margin: 0;
    font-size: 20px;
    font-weight: bold;
  }
  
  .details p {
    margin: 5px 0 0;
    font-size: 14px;
    color: #666;
  }
  
  .account-value {
    text-align: center;
  }
  
  .account-value p,
  .account-value h2 {
    margin: 0;
    color: #fff; 
  }
  
  .account-value h2 {
    font-size: 24px;
    font-weight: bold;
  }
  
  .account-value p {
    font-size: 14px;
    color: #666;
  }
  
  .yatirma-button {
    background-color: #007bff; 
    color: #fff;
    border: none;
    padding: 10px 20px;
    border-radius: 5px;
    cursor: pointer;
    margin-top: 10px;
  }
  
  .user-sections {
    display: flex;
    flex-wrap: wrap; 
    justify-content: space-between;
  }
  
  .section {
    width: calc(33% - 20px); 
    padding: 20px;
    border-radius: 5px;
    background-color: #16171a; 
    color: #fff; 
    margin-bottom: 20px;
  }
  
  .section h3,
  .section p,
  .section a {
    color: #fff; 
  }
  
  .section h3 {
    margin: 0 0 10px;
    font-size: 18px;
    font-weight: bold;
  }
  
  .section p {
    margin: 0;
    font-size: 14px;
  }
  
  .section ul {
    list-style: none;
    padding: 0;
    margin: 10px 0 0;
  }
  
  .section li {
    margin-bottom: 5px;
  }
  
  .section a {
    color: #007bff;
    text-decoration: none;
  }
  
  .invite-code {
    margin-top: 20px;
    display: flex;
    align-items: center;
  }
  
  .invite-code p {
    margin: 0 10px 0 0;
  }
  
  .invite-code span {
    font-weight: bold;
  }
  
  @media (max-width: 768px) {
    .user-container {
      width: 100%;
      flex-direction: column;
    }
  
    .sidebar {
      top: 0;
      left: 0;
      width: 100%;
      height: 60px;
      background-color: #16171a !important;
      z-index: 1000;
      display: flex;
      overflow-x: auto;
      white-space: nowrap;
    }
  
    .sidebar ul {
      display: flex;
      padding: 0;
      margin: 0;
      width: 100%;
    }
  
    .sidebar li {
      flex: 0 0 auto;
      margin-right: 10px;
    }

    .user-sections .section {
      width: calc(50% - 20px); 
    }
  }
  
  @media (max-width: 480px) {
    .user-sections .section {
      width: 100%; 
    }
  }