body {
    display: grid;
    grid-template-columns:
        var(--sidebar-width)
        minmax(var(--main-content-width-min), auto) 
        var(--sidebar-width);
    grid-template-rows: var(--header-height) auto;
    grid-template-areas:
        "header header header"
        "left-sidebar main right-sidebar";

    color: var(--text);
    background-color: var(--body-bg); 
}

body.full-width {
    grid-template-areas:
        "header header header"
        "main main main";
}

header {
    grid-area: header;
    position: sticky;
    top: 0px;
    z-index: 10;

    display: grid;
    grid-template-columns: calc(var(--sidebar-width)/2) calc(var(--sidebar-width)/2) auto var(--sidebar-width);
    grid-template-rows: auto;
    grid-template-areas:
      "logo mode title nav";

    background-color: var(--header-bg);
    box-shadow: rgba(0,0,0, 0.3) 0px 3px 3px;
}

header .logo {
    grid-area: logo;
    align-self: center;
    justify-self: center;
}

header .logo img {
    height: calc(var(--header-height) - 10px);
}

header h2 {
    grid-area: mode;
    align-self: center;
    justify-self: end;

    margin-right: 10px;

    font-size: 14px;
    text-align: right;
}

header h1 {
    grid-area: title;
    align-self: center;
    justify-self: center;
}

header nav {
    grid-area: nav;
    align-self: center;
    justify-self: right;

    display: flex;
    height: var(--header-height);
    white-space: nowrap;

    padding: 5px;
}

main {
    grid-area: main;
    align-self: start;
    justify-self: center;

    min-height: 50vh;
    width: 100%;
    max-width: var(--main-content-width-max);
    padding: 10px;

    background-color: var(--main-bg); 
}

main [type=submit] {
  margin-top: 20px;
}

main ul > li {
    color: var(--text);
    background-color: var(--list-bg);
    border: 1px solid var(--list-border);
}
main ul > li:not(:last-child) {
    border-bottom: none;
}
main ul > li > label {
    display: block;
}
main ul > li > label:hover {
    background-color: var(--secondary-button-bg-hover);
}
main ul > li > label::before {
    content: '\00a0';
    display: inline-block;

    width: 20px;
    height: auto;
    margin-right: 2px;
    padding: 5px;

    background-color: #ddd;
}
main ul > li input {
    margin-left: -28px;
    margin-right: 11px;
}
.standby main ul > li > label::before {
    background-color: inherit;
}


aside {
    align-self: start;
    position: sticky;
    top: var(--header-height);
    z-index: 9;

    display: flex;
    flex-direction: column;
    justify-items: stretch;

    width: var(--sidebar-width);
    padding: 10px;

    background-color: var(--sidebar-bg);
    color: var(--sidebar-text);
}

aside > article {
    max-height: 800px;
    overflow-y: scroll;
}

aside button, .standby aside button, ul > li > a {
    color: var(--secondary-button-text);
    background-color: var(--sidebar-button-bg);
}
aside button:hover, .standby aside button:hover, ul > li > a:hover {
    background-color: var(--sidebar-button-bg-hover);
}

aside.left {
    grid-area: left-sidebar;
}

aside.right {
    grid-area: right-sidebar;
}

.status main {
    display: flex;
    flex-direction: column;
    align-items: center;

    padding: 80px;

    text-align: center;
}