/* body{
    background-color: black;
    color: rgb(219, 228, 235);
}

.sidebarnavigation{
    display: flex;
    align-items: center;
    justify-content: center; 
    height: 100vh; 
    background-color: transparent;
}

.list{
    position:fixed;
    right: 10%;
    list-style-type: none;
}
.listelement{
    transition: text-shadow 0.3s ,transform ease 0.3s;
    font-size: 30px;
    text-shadow: 0 0 10px #ffffff;
    text-decoration: none;
    text-align: center;
}
.listelement:hover{
    text-shadow: 0 0 14px #ffffff;
    transform: translateY(-5px);
}
.listelement:active{
    text-shadow: 0 0 10px #ffffff;
    transform: translateY(0px);
} */

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: Arial, sans-serif;
    background-color: #000;
    color: rgb(219, 228, 235);
    display: flex;
}

.sidebar {
    position: fixed;
    left: 0;
    top: 0;
    width: 260px;
    height: 100vh;
    background-color: #1c1c1c;
    border-right: 1px solid #1f1f1f;
    padding: 24px;
    overflow-y: auto;
}
/* 
.sidebar-title {
    font-size: 14px;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: #888;
    margin-bottom: 20px;
} */

.nav-list {
    list-style: none;
}

.nav-item {
    display: block;
    padding: 10px 14px;
    margin-bottom: 6px;
    /* border-radius: 8px; */
    cursor: pointer;
    font-size: 15px;
    color: #cfd8e3;
    text-shadow: 0 0 10px #fff;
    text-decoration: none;
    transition: 
        background 0.2s ease,
        color 0.2s ease,
        transform 0.15s ease;
}

.sub {
    margin-left: 30px;
    font-size: 12px;
}

.sub-nav-item-block{
    display: none;
}

.nav-item:hover {
    text-shadow: 0 0 14px #fff;
    /* background: #141414; */
    color: #fff;
    transform: translateX(4px);
}
.nav-item:active {
    /* background: #1f1f1f; */
    background: #ffffff;
    color: #000000;
    /* border: 2px solid; */
    /* box-shadow: inset 0 0 0 1px #2a2a2a; */
    filter: drop-shadow(0 0 10px #ffffff);
}

.nav-item.selected {
    /* background: #1f1f1f; */
    background: #ffffff;
    color: #000000;
    /* border: 2px solid; */
    /* box-shadow: inset 0 0 0 1px #2a2a2a; */
    filter: drop-shadow(0 0 10px #ffffff);
}

.content {
    margin-left: 260px;
    padding: 48px;
    width: 100%;
    text-shadow: 0 0 10px #fff;
}

.logo {
    width: 70px;
    height: auto;
    margin-bottom: 20px;
    filter: drop-shadow(0 0 10px #ffffff);
}
/* 
.containerbox{
    background-color: #1f1f1f;
} */