body {
      min-height: 100vh;
      display: flex;
      flex-direction: column;
    }
    .wrapper {
      display: flex;
      flex: 1;
    }
    .sidebar {
      width: 220px;
      background-color: #f8f9fa;
      padding-top: 1rem;
      border-right: 1px solid #ddd;
    }
    .sidebar a {
      display: block;
      padding: 10px 15px;
      color: #333;
      text-decoration: none;
    }
    .sidebar a:hover {
      background-color: #e9ecef;
      border-radius: 5px;
    }
    .content {
      flex: 1;
    }
    .subcontent {
      flex: 1;
      margin:20px;
    }
    .login-container {
      max-width: 400px;
      min-width: 350px;
      margin: 80px auto;
      padding: 30px;
      background: #fff;
      border-radius: 12px;
      box-shadow: 0 0 15px rgba(0,0,0,0.1);
    }
    .form-control:focus {
      box-shadow: none;
      border-color: #0d6efd;
    }
   .header{height:60px;text-align: center;vertical-align: middle}
   .logo{height:40px; margin-top:10px;}

  a{color: unset;}
  a:hover{color: unset;}
   .sidebar a.active {
    background-color: #e9ecef;
    color: #000000;
    font-weight: 600;
  }
  .sidebar a { cursor: pointer; }

  .b-example-divider {
  flex-shrink: 0;
  width: 1.5rem;
  height: 100vh;
  background-color: rgba(0, 0, 0, .1);
  border: solid rgba(0, 0, 0, .15);
  border-width: 1px 0;
  box-shadow: inset 0 .5em 1.5em rgba(0, 0, 0, .1), inset 0 .125em .5em rgba(0, 0, 0, .15);
}

.bi {
  vertical-align: -.125em;
  pointer-events: none;
  fill: currentColor;
}

.dropdown-toggle { outline: 0; }

.nav-flush .nav-link {
  border-radius: 0;
}

.btn-toggle {
  display: inline-flex;
  align-items: center;
  padding: .25rem .5rem;
  font-weight: 600;
  color: rgba(0, 0, 0, .65);
  background-color: transparent;
  border: 0;
}
.btn-toggle:hover,
.btn-toggle:focus {
  color: rgba(0, 0, 0, .85);
  background-color: #d2f4ea;
}

.btn-toggle::before {
  width: 1.25em;
  line-height: 0;
  content: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 16 16'%3e%3cpath fill='none' stroke='rgba%280,0,0,.5%29' stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M5 14l6-6-6-6'/%3e%3c/svg%3e");
  transition: transform .35s ease;
  transform-origin: .5em 50%;
}

.btn-toggle[aria-expanded="true"] {
  color: rgba(0, 0, 0, .85);
}
.btn-toggle[aria-expanded="true"]::before {
  transform: rotate(90deg);
}

.btn-toggle-nav a {
  display: inline-flex;
  padding: .1875rem .5rem;
  margin-top: .125rem;
  margin-left: 1.25rem;
  text-decoration: none;
}
.btn-toggle-nav a:hover,
.btn-toggle-nav a:focus {
  background-color: #e9ecef;
}

.scrollarea {
  overflow-y: auto;
}

.fw-semibold { font-weight: 600; }
.lh-tight { line-height: 1.25; }