.nav-container {
    display: flex;
    flex-direction: row;
    height: 100vh;
    width: 90%;
}

.nav-container .header {
    background-color: #333;
    color: white;
    display: flex;
    align-items: center;
    padding: 0 10px;
    height: 30px;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
}

.nav-container .header .user-info {
    display: flex;
    align-items: center;
}

.nav-container .header .avatar {
    border-radius: 50%;
    height: 20px;
    margin-right: 10px;
}

.nav-container .sidebar {
    background-color: #222;
    color: white;
    width: 200px;
    padding: 20px 10px;
    height: 100%;
    position: fixed;
    left: 0;
    top: 0;
    overflow-y: auto;
}

.nav-container .sidebar ul {
    list-style-type: none;
    padding: 0;
}

.nav-container .sidebar li {
    margin-bottom: 10px;
}

.nav-container .sidebar a {
    color: white;
    text-decoration: none;
}

.nav-container .sidebar a:hover {
    text-decoration: underline;
}

.nav-container .main-content {
    margin-left: 200px;
    margin-top: 30px;
    padding: 20px;
    width: calc(100% - 200px);
    flex-grow: 1;
}

.ooc-gallery {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
}

.ooc-item {
    flex: 1 1 200px;
    text-align: center;
}

.ooc-item img {
    max-width: 100%;
    border: 1px solid #ccc;
    border-radius: 4px;
}

.overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    justify-content: center;
    align-items: center;
    z-index: 1000;
}

.overlay-image {
    max-width: 90%;
    max-height: 90%;
    border-radius: 8px;
}

.overlay:active {
    display: none;
}