.header {  
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px;
    background-color: #fff;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    
    position: fixed;
    top: 0;
    left: 0;
    right: 0;

    z-index: 2000;

    transition: margin-left 0.3s ease; 
    margin-left: 0;
}

.header i {
    font-size: 18px;
}

.hamburger {
    font-size: 24px;
    cursor: pointer;
}

.sidebar {
    width: 250px;
    background-color: #fff;
    height: 100vh;

    position: fixed;
    top: 0;
    left: -250px;

    display: flex;
    flex-direction: column;

    border-right: 2px solid #dbe1e8;
    box-shadow: 2px 0 5px rgba(0, 0, 0, 0.1);

    transition: left 0.3s ease;

    z-index: 3000;
}

.sidebar.open {
    left: 0;
}

.sidebar img {
    max-width: 80%;
    margin-bottom: 20px;
    padding: 15px;
    display: block;
    margin: 0 auto;
}

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

.sidebar ul li a {
    padding: 18px;
    font-size: 1.1em;
    display: flex;
    align-items: center;
    color: #000;
    text-decoration: none;
}

.sidebar ul li a i {
    margin-right: 10px;
    font-size: 22px;
}

.sidebar ul li.active {
    background-image: linear-gradient(to right, #0c4a1a, #155d27);
}

.sidebar ul li.active a {
    color: #fff;
}

.content {
    margin-top: 70px;
    margin-left: 0;
    padding: 20px;
    flex-grow: 1;
    overflow-y: auto;
    height: calc(100vh - 70px);
    transition: margin-left 0.3s ease;
}

body.sidebar-open .header {
    margin-left: 250px;
}

body.sidebar-open .content {
    margin-left: 250px;
}

.sair-icon {
    position: fixed; 
    top: 8px; 
    right: 20px; 

    z-index: 4000;
}

hr {
    margin: 0;
}

@media screen and (max-width: 1425px) {
    .header {
        width: 100%;
    }

    .main-div {
        margin: 20px auto !important;
    }
}

@media (min-width: 768px) {
    .sair-icon {
        left: 300px; 
        top: 10px; 
        position: fixed; 
        flex-direction: row; 
        justify-content: flex-end;
    }
}

.dataTables_wrapper {
    z-index: 1 !important;
    position: relative;
}