body {
          margin: 0;
          font-family: Arial, sans-serif;
          display: flex;
          flex-direction: column;
          background-color: #f5f5f5;
        }

        /* Sidebar */
        .sidebar {
          width: 250px;
          height: 100%;
          background-color: #ffffff;
          box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
          display: flex;
          flex-direction: column;
          align-items: center;
          padding-top: 20px;
          position: fixed;
        }
        .logo {
          width: 80px;
          margin-bottom: 20px;
        }
        .nav-menu {
          width: 100%;
          list-style: none;
          padding: 0;
          margin: 0;
        }
        .nav-item {
          width: 100%;
        }
        .nav-link {
          display: flex;
          align-items: center;
          text-decoration: none;
          color: #333;
          padding: 15px 20px;
          font-size: 16px;
          transition: background-color 0.3s, color 0.3s;
        }
        .nav-link:hover,
        .nav-link.active {
          background-color: #e6f7ff;
          color: #007bff;
        }
        .nav-link i {
          margin-right: 10px;
          font-size: 18px;
        }
        .user-section {
          margin-top: auto;
          width: 100%;
          padding: 20px;
          display: flex;
          align-items: center;
          border-top: 1px solid #eee;
        }
        .user-section img {
          width: 50px;
          height: 50px;
          border-radius: 50%;
          margin-right: 10px;
        }
        .user-info {
          display: flex;
          flex-direction: column;
        }
        .user-info span {
          font-size: 14px;
          color: #333;
        }


        /* Main content area */
        .content {
          margin-left: 250px;
          padding: 20px;
          width: calc(100% - 250px);
        }

        /* Menu Cards */
        .menu {
          display: flex;
          flex-wrap: wrap;
          gap: 20px;
        }
        .card {
          background-color: #fff;
          box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
          border-radius: 8px;
          padding: 20px;
          text-align: center;
          flex: 1 1 calc(30% - 20px);
          max-width: calc(30% - 20px);

        }
        .card h2 {
          margin: 0 0 10px;
          font-size: 20px;
        }
        .btn {
          display: inline-block;
          padding: 10px 20px;
          color: #fff;
          background-color: #007bff;
          border-radius: 4px;
          text-decoration: none;
          font-size: 14px;
          transition: background-color 0.3s;
        }
        .btn:hover {
          background-color: #0056b3;
        }

/* Company Info */
.company-info {
  text-align: center;
  padding: 20px;
  background-color: Whitesmoke;
  color: blue;
  margin-left: 250px;
}

.company-name {
  font-size: 30px;
  font-weight: bold;
  margin: 0;
}

.app-name {
  font-weight: bold;
  app-name-shadow:0 2px 4px rgba(0, 0, 0, 0.1);
  font-size: 24px;
  margin: 5px 0 0;
}



        /* Responsive Design */
@media screen and (max-width: 768px) {
          .sidebar {
            width: 100%;
            height: auto;
            position: static;
          }
          .content {
            margin-left: 0;
            width: 100%;
          }
          .menu {
            flex-direction: column;
            align-items: center;
          }
          .card {
            flex: 1 1 100%;
            max-width: 100%;
            min-width: 50%;
          }
}

@media screen and (max-width: 480px) {
          .nav-link {
            font-size: 14px;
            padding: 10px 15px;
          }
          .btn {
            font-size: 12px;
            padding: 8px 15px;
          }
}

@media screen and (max-width: 768px) {
  .sidebar {
    width: 100%;
    height: auto;
    position: static;
  }

  .content {
    margin-left: 0;
    width: 100%;
  }

  .menu {
    flex-direction: column;
    align-items: center;
  }

  .card {
    flex: 1 1 100%;
    max-width: 100%;
    min-width: 50%;
  }

  .company-info {
    margin-left: 0;
  }
}

@media screen and (max-width: 480px) {
  .nav-link {
    font-size: 14px;
    padding: 10px 15px;
  }

  .btn {
    font-size: 12px;
    padding: 8px 15px;
  }

  .user-section {
    flex-direction: column;
    align-items: flex-start;
    gap: 10px;
  }

  .user-section img {
    margin-right: 0;
  }

  .card {
    min-width: 90%;
  }
}