:root {
    --gcf-grey: #41474c;
    --gcf-blue: #1d6bae;
    --gcf-light: #b0c4e0;
    --default-shadow: 0 0 6px 0 rgba(0, 0, 0, 0.3);
    --header-height: 56px;
    --header-gradient: radial-gradient(circle, #71777C 0%, #61676C 100%);
    --grey-light: #f0f0f0;
    --grey-mid: #dadada;
    --grey-dark: #ddd;
    --green: #a5ff70;
    --orange: #ffd700;
    --red: #ff7070;
}

body {
    padding-top: var(--header-height);
    background-color: #fafafa;
}

a, a:visited, a:hover {
    color: var(--gcf-blue);
}

.btn-link {
    color: var(--gcf-blue);
    padding: 0;
}

.btn-link:hover, .btn-link:focus, .btn-link:active {
    color: var(--gcf-blue);
    text-decoration: none;
}

.card-header {
    background-color: var(--grey-light);
}

.tab-content {
    background-color: #fff;
}

.nav-tabs .nav-item .nav-link:not(.active) {
    background-color: var(--grey-light);
    border-color: var(--grey-dark);
}

.nav-tabs .nav-item .nav-link {
    color: var(--gcf-grey);
}

.table thead th, .table tfoot th {
    background-color: var(--gcf-light);
    color: var(--gcf-grey);
}


#header {
    width: 100vw;
    height: var(--header-height);
    line-height: var(--header-height);
    position: fixed;
    top: 0;
    left: 0;
    background: var(--header-gradient);
    color: #fff;
    vertical-align: middle;
    border-bottom: 2px solid var(--gcf-light);
    box-shadow: var(--default-shadow);
    z-index: 999;
    display: flex;
    flex-wrap: nowrap;
    justify-content: flex-start;
    white-space: nowrap;
    padding: 0 12px;
}

#header .logo {
    position: relative;
    display: inline-block;
    border-radius: 4px;
    line-height: 40px;
    margin: 6px;
    text-align: center;
}

#header .logo img {
    height: calc(var(--header-height) - 12px);
}

#header .logo span {
    color: #000;
    font-size: 14px;
}

#header .title {
    margin: 0 8px;
}

#header .watch {
    position: relative;
    display: inline-block;
    font-size: 11px;
    padding: 6px 12px;
    line-height: 24px;
    vertical-align: middle;
    white-space: nowrap;
    text-align: center;
}

#header .watch .hour {
    font-size: 22px;
}

#header .welcome {
    flex-grow: 1;
    text-align: center;
}

#header .menu {
    text-align: right;
    display: flex;
    justify-content: flex-end;
}

#header .menu_toggle {
    display: none;
}

#header .menu a {
    box-sizing: border-box;
    text-decoration: none;
    height: var(--header-height);
    color: #fff;
    padding: 0 12px;
    white-space: nowrap;
}

#header .submenu {
    display: none;
    position: absolute;
    top: var(--header-height);
    background-color: var(--gcf-grey);
    box-shadow: var(--default-shadow);
    text-align: left;
}

#header .submenu.toggled {
    display: block;
}

#header .submenu > * {
    display: block;
    text-align: center;
    padding: 0 36px!important;
}

#header .username {
    text-align: center;
}

#header a .fas {
    font-size: 120%;
    margin: 0 6px;
    vertical-align: baseline;
}

#header a:hover, #header a.current {
    background-color: var(--gcf-light);
    border-bottom: 4px solid var(--gcf-blue);
    color: #000;
}

.btn-primary {
    background-color: var(--gcf-blue);
    border-color: var(--gcf-blue);
}

.bg-primary {
    background-color: var(--gcf-blue) !important;
    color: #fff;
}

.card {
    box-shadow: var(--default-shadow);
}

.table {
    border: 1px solid var(--gcf-light);
}

.alert-container {
    position: fixed;
    width: 60vw;
    left: 20vw;
    z-index: 10000;
    top: calc(var(--header-height) - 12px);
    opacity: .95;
}

@media (max-width: 768px) {
    #header .menu_toggle {
        display: flex;
    }

    #header .menu_toggle a {
        padding-left: 20px;
        padding-right: 20px;
    }

    #header .menu:not(.menu_toggle) {
        position: absolute;
        display: block;
        width: 0;
        min-width: 0;
        overflow: hidden;
        top: var(--header-height);
        right: 0;
        height: calc(100vh - var(--header-height));
        padding: 12px 0;
        background-color: var(--gcf-grey);
        transition: .1s ease-in-out;
    }

    #header .menu:not(.menu_toggle).toggled {
        width: 40vw;
        min-width: 240px;
    }

    #header .menu:not(.menu_toggle) a {
        display: block;
        margin: 0 0 0 12px;
        text-align: center;
        border-bottom: 1px solid var(--gcf-light);
    }

    #header .menu:not(.menu_toggle) .submenu {
        position: static;
        margin-top: 1px;
        box-shadow: none;
        border-right: 12px solid var(--gcf-light);
    }

    #header .menu:not(.menu_toggle) .submenu a {
        padding: 0!important;
    }
}