#site-shell {
    position: relative;
    z-index: 1;
    min-height: 100vh;
}

#site-shell #page-container {
    min-height: 100vh;
}

.nvns-course-banner,
.nvns-course-banner[hidden] {
    display: none;
}

.nvns-course-banner {
    box-sizing: border-box;
}

.nvns-course-promo-link,
.nvns-course-promo-link img {
    display: block;
    width: 100%;
}

.nvns-course-promo-link {
    line-height: 0;
    border-radius: 12px;
}

.nvns-course-promo-link img {
    height: auto;
    border-radius: inherit;
}

.nvns-course-promo-link:focus-visible {
    outline: 3px solid #132d46;
    outline-offset: 4px;
}

@media screen and (min-width: 1280px) {
    :root {
        --nvns-course-side-width: min(clamp(160px, 14vw, 200px), calc((100vh - 128px) / 2.4));
        --nvns-course-rail-width: calc(var(--nvns-course-side-width) + 40px);
    }

    body {
        background: #fff;
    }

    #site-shell {
        width: calc(100% - var(--nvns-course-rail-width));
    }

    #site-shell #page-container {
        border: 0;
    }

    #site-shell footer {
        border-top: 0;
        background: #fff;
    }

    #announcement {
        right: calc(var(--nvns-course-rail-width) - 4px);
    }

    #nvns-course-promo {
        position: fixed;
        z-index: 400;
        top: 50%;
        right: 20px;
        display: block;
        width: var(--nvns-course-side-width);
        transform: translateY(-50%);
    }

}

@media screen and (max-width: 1279.98px) {
    #nvns-course-top {
        position: relative;
        display: block;
        width: 100%;
        max-width: 600px;
        margin: 0 auto;
        padding: 8px;
    }

    #site-shell #navigation {
        position: sticky;
        top: 0;
    }

    #site-shell #page-container > br {
        display: none;
    }

    #site-shell #content {
        margin-top: 24px;
    }

    #nvns-course-sticky:not([hidden]) {
        position: fixed;
        z-index: 600;
        right: 0;
        bottom: 0;
        left: 0;
        display: block;
        padding: 6px 8px calc(6px + env(safe-area-inset-bottom, 0px));
        border-top: 1px solid #e2e8f0;
        background: #fff;
        box-shadow: 0 -3px 12px rgb(0 0 0 / 12%);
        transform: translateY(calc(100% + 12px));
        opacity: 0;
        visibility: hidden;
        pointer-events: none;
        transition: transform 220ms ease, opacity 220ms ease, visibility 0s linear 220ms;
    }

    :root.nvns-course-bar-active #nvns-course-sticky {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
        pointer-events: auto;
        transition-delay: 0s;
    }

    #nvns-course-sticky .nvns-course-promo-link {
        max-width: 600px;
        margin: 0 auto;
        border-radius: 8px;
    }

    :root.nvns-course-bar-active body {
        height: auto;
        padding-bottom: var(--nvns-course-bar-height, 0px);
    }

    :root.nvns-course-bar-active #announcement {
        bottom: calc(var(--nvns-course-bar-height, 0px) + 8px);
    }
}

@media screen and (max-width: 760px) {
    #site-shell #nav-list {
        top: var(--nvns-navigation-bottom, 36px);
    }
}

@media (prefers-reduced-motion: reduce) {
    #nvns-course-sticky:not([hidden]) {
        transition: none;
    }
}

@media print {
    .nvns-course-banner {
        display: none !important;
    }
}