.main-nav {
    background-color: #b0e0ec !important;
    color: white !important;
    padding: 1vw !important;
}
.main-nav ul {
    list-style-type: none !important;
    padding: 0 !important;
    margin: 0 !important;
    display: flex !important;
}
.main-nav li {
    margin-right: 20px !important;
    margin-top: 0.5vw;
}
.main-nav a {
    text-decoration: none !important;
    color: rgb(10, 118, 151) !important;
    margin: 6vw !important;
    font-size: 25px !important;
}
.main-nav a:hover {
    text-decoration: underline;
}
.container {
    display: flex;
}
.sidebar {
    width: 8vw;
    background-color: #d5e9e8;
    color: rgb(15, 15, 15);
    padding: 2vw;
    margin-top: 2vw;
    font-size: 1.5vw;
    transition: width 0.1s, visibility 0.1s;
}
.sidebar ul {
    list-style-type: none;
    padding: 0;
}
.sidebar li {
    margin: 3.5vw 0;
}
.sidebar a {
    text-decoration: none;
    color: rgb(14, 13, 13);
}
.sidebar a:hover {
    text-decoration: underline;
}
/* .toggle-btn {
    background-color: #b9e0e5;
    color: white;
    border: none;
    cursor: pointer;
    font-size: 20px;
    width: 3vw;
    margin-top: 2vw;    
    line-height:40vw;
} */
.main-content {
    flex-grow: 1;
    padding: 15px;
}
.sidebar.hidden {
    width: 0;
    visibility: hidden;
}
.sidebar .submenu {
    max-height: 0;
    overflow: hidden;    
    width: 8vw;
    transition: max-height 0.3s ease-out;
    background-color: #afd9db;
    border-radius: 0.5vw;
    margin-top: 0.5vw;
  }
  .sidebar .submenu.active {
    max-height: 10vw; /* Adjust based on your content */
  }
  .sidebar .submenu a {
    color: #444040;
    font-weight: normal;
    font-size: 1.2vw;
    /* font-family: 'Helvetica', sans-serif; */
    display: block;
    padding: 1vw 1vw;
  }
  .sidebar .submenu li {
    margin-bottom: 0vw;
    margin-top: 0vw;
  }