body {
    margin: 0;
}

h2 {
    font-family: "Tahoma";
}

p {
    font-family: "Palatino Linotype";
}


body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    background-color: #f4f4f4;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

header {
    background-color: #333;
    color: #fff;
    padding: 10px;
    text-align: center;
}

main {
    display: flex;
    flex: 1;
}

.main-nav {
    background-color: #555;
    color: #fff;
    padding: 20px;
    text-align: center;
    flex-shrink: 0;
    overflow:auto;
}

.main-nav li{
    
    list-style:none;
}
.main-nav a {
    display: block;
    color: #fff;
    text-decoration: none;
    padding: 10px;
    margin: 10px 0;
    border-radius: 5px;
    transition: background-color 0.3s;
}

.main-nav a:hover {
    background-color: #444;
}

section {
    padding: 20px;
    flex: 1;
    order: 2;
}

footer {
    background-color: #333;
    color: #fff;
    padding: 10px;
    text-align: center;
    flex-shrink: 0;
}

.maintenance {
    font-family: Arial, sans-serif;
    background-color: #f4f4f4;
    margin: 0;
    padding: 0;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    text-align: center;
}
.maintenance .container {
    max-width: 600px;
    margin: auto;
    padding: 20px;
    background-color: #fff;
    border-radius: 10px;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
}
.maintenance .container h1 {
    color: #333;
}
.maintenance .container p {
    color: #666;
    margin-bottom: 20px;
}
.maintenance .container .icon {
    font-size: 80px;
    margin-bottom: 20px;
    color: #999;
}
.top-navi {
    float:right;
}
.top-navi li a {
    
    text-decoration:none;
    display: inline-block;
    margin-left:5px;
    margin-right:5px;
}

.top-navi li:hover {
    background-color: DimGrey;
    
}
.top-navi ul li {
    text-decoration:none;
    float:left;
    list-style:none;
}
.twocolumn {
    column-count: 2;
}
.height100 {
    height:100%;
}

.todo {
    color:grey !important;
    
}
table .collapse.in {
	display:table-row;
}

    .float > div{
        display:block;
        float:left;
        width:50%;
    }
.dt-search, .dt_paging
{
    text-align:right;
}

@media  (min-width: 601px) {
    #menu__toggle, #menu_toggle{
        display:none;
    }
}

@media only screen and (max-width: 600px) {
    
    #menu__toggle, #menu_toggle  {
        opacity: 0;
        z-index: 3;
    }
    #menu__toggle:checked + .menu__btn > span , #menu_toggle:checked + .menu_btn > span{
        transform: rotate(45deg);
    }
    #menu__toggle:checked + .menu__btn > span::before, #menu_toggle:checked + .menu_btn > span::before {
        top: 0;
        transform: rotate(0deg);
    }
    #menu__toggle:checked + .menu__btn > span::after, #menu_toggle:checked + .menu_btn > span::after {
        top: 0;
        transform: rotate(90deg);
    }
    #menu__toggle:checked ~ .menu__box{
        left: 0 !important;
    }
    #menu_toggle:checked ~ .menu_box {
        right: 0 !important;
    }
    .menu__btn {
        position: fixed;
        top: 20px;
        left: 20px;
        width: 26px;
        height: 26px;
        cursor: pointer;
        z-index: 3;
    }

    .menu_btn {
        position: fixed;
        top: 20px;
        right: 20px;
        width: 26px;
        height: 26px;
        cursor: pointer;
        z-index: 3;
    }
    
    .menu__btn > span,
    .menu__btn > span::before,
    .menu__btn > span::after,
    .menu_btn > span,
    .menu_btn > span::before,
    .menu_btn > span::after{
        display: block;
        position: absolute;
        width: 100%;
        height: 2px;
        background-color: #616161;
        transition-duration: .25s;
    }
    .menu__btn > span::before,
    .menu_btn > span::before {
        content: '';
        top: -8px;
    }
    .menu__btn > span::after,
    .menu_btn > span::after {
        content: '';
        top: 8px;
    }
    .menu__box   {
        display: block;
        position: fixed;
        top: 0;
        left: -100%;
        width: 300px;
        height: 100%;
        margin: 0;
        padding: 80px 0;
        list-style: none;
        background-color: #555;
        box-shadow: 2px 2px 6px rgba(0, 0, 0, .4);
        transition-duration: .25s;
        
        z-index: 2;
        
    }
    
   .menu_box {
        display: block;
        position: fixed;
        top: 0;
        right: -100%;
        width: 300px;
        height: 100%;
        margin: 0;
        padding: 80px 0;
        list-style: none;
        background-color: #555;
        box-shadow: 2px 2px 6px rgba(0, 0, 0, .4);
        transition-duration: .25s;
        
        z-index: 2;
        
}
    .menu__item,  .menu_item {
        display: block;
        padding: 12px 24px;
        color: #333;
        font-family: 'Roboto', sans-serif;
        font-size: 20px;
        font-weight: 600;
        text-decoration: none;
        transition-duration: .25s;
    }
    .menu__item:hover, .menu_item:hover {
        background-color: #CFD8DC;
    }
    .top-navi li a {
    
    text-decoration:none;
    display: block;
}
    
.top-navi ul li {
    text-decoration:none;
    float:none;
    list-style:none;
}
    .btn-light{
    width:85%;
    }
}
    .dataTable thead tr { 
        position: sticky; 
        top: 35px; 
        z-index: 1; 
    }
    
    .controls { 
        position: sticky; 
        top: 0; 
        z-index: 1; 
    }