html, body {
    margin: 0;
    padding: 0;
    display: block;
    width: 100%;
    height: 100%;
}

body {
    display: flex;
    flex-direction: column;
}

nav {
    flex-grow: 0;
    flex-shrink: 0;
    padding: 0.25em;
    background-color: silver;
    border-bottom: 1px solid gray;
}

footer {
    flex-grow: 0;
    flex-shrink: 0;
    padding: 0.25em;
    background-color: silver;
    border-top: 1px solid gray;
}

article {
    display: flex;
    flex-grow: 1;
    flex-direction: column;
    overflow: hidden;
}

h1.page-title {
    flex-shrink: 0;
    font-size: 1.5em;
    font-weight: bold;
    width: 100%;
    white-space: nowrap;
    text-overflow: ellipsis;
    overflow: hidden;
}

section {
    display: block;
}

.tab-content {
    flex-grow: 1;
    flex-shrink: 1;
    overflow: hidden;
    padding-top: 0.5em;
    position: relative;
}

section.scheduler-container {
    width: 100%;
    height: 100%;
}

/* Вкладки на радиокнопках (FullScreen.cshtml). Кнопки скрыты визуально,
   но остаются в фокусе и переключаются стрелками. */
.schedule-tab-input {
    position: absolute;
    width: 1px;
    height: 1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    opacity: 0;
}

/* Оформление повторяет .nav-tabs > li > a из Bootstrap 3. */
.nav-tabs > li > label {
    display: block;
    position: relative;
    margin: 0 2px 0 0;
    padding: 10px 15px;
    line-height: 1.42857143;
    font-weight: normal;
    color: #337ab7;
    border: 1px solid transparent;
    border-radius: 4px 4px 0 0;
    cursor: pointer;
}

.nav-tabs > li > label:hover {
    background-color: #eee;
    border-color: #eee #eee #ddd;
}

#tab-scheduler:checked ~ .nav-tabs label[for="tab-scheduler"],
#tab-intersections:checked ~ .nav-tabs label[for="tab-intersections"],
#tab-notallocated:checked ~ .nav-tabs label[for="tab-notallocated"] {
    color: #555;
    cursor: default;
    background-color: #fff;
    border-color: #ddd #ddd transparent;
}

#tab-scheduler:focus-visible ~ .nav-tabs label[for="tab-scheduler"],
#tab-intersections:focus-visible ~ .nav-tabs label[for="tab-intersections"],
#tab-notallocated:focus-visible ~ .nav-tabs label[for="tab-notallocated"] {
    outline: 2px solid #337ab7;
    outline-offset: -2px;
}

.schedule-tab-pane {
    display: none;
}

#tab-scheduler:checked ~ .tab-content #scheduler,
#tab-intersections:checked ~ .tab-content #intersections,
#tab-notallocated:checked ~ .tab-content #notallocated {
    display: block;
}