/* Learner panel of the course page, replaces the decorative left column there. */
#container-left.course-panel {
    bottom: 0;
    height: auto;
    overflow-y: auto;
    padding: 70px 16px 16px;
    top: 0;
    width: 30%;
}

.course-panel [hidden] {
    display: none !important;
}

.course-panel-inner {
    color: var(--text);
    font-size: 14px;
    margin: 0 auto;
    max-width: 280px;
}

.course-panel-section {
    border-bottom: 1px solid var(--border-soft);
    padding: 14px 0;
}

.course-panel-title {
    color: var(--text-muted);
    font-size: 12px;
    font-weight: 600;
    letter-spacing: .06em;
    margin: 0 0 8px;
    text-transform: uppercase;
}

.course-panel-progress {
    text-align: center;
}

#container-left.course-panel #exercise-progress-circle {
    font-size: 1.1em;
    margin: 0 auto 8px;
    width: 110px;
}

.course-panel-count,
.course-panel-line,
.course-panel-next {
    margin: 0 0 6px;
}

.course-panel-muted {
    color: var(--text-muted);
    display: block;
    font-size: 13px;
}

a.course-panel-muted {
    color: var(--link);
    margin-top: 6px;
}

.button.-orange.course-panel-continue {
    background-color: var(--accent);
    box-sizing: border-box;
    color: #000;
    display: block;
    font-weight: 600;
    max-width: none;
    text-align: center;
    width: 100%;
}

.button.-orange.course-panel-continue:hover,
.course-bar .button.-orange:hover {
    background-color: #ffb04d;
}

.course-bar .button.-orange {
    background-color: var(--accent);
    color: #000;
    font-weight: 600;
}

.course-panel-next {
    margin-top: 8px;
}

.course-panel-completed {
    font-weight: 600;
    margin: 0;
}

.course-panel-warning {
    background: rgba(255, 140, 0, .18);
    border-left: 4px solid var(--accent);
    border-radius: 3px;
    font-weight: 600;
    padding: 6px 8px;
}

.chapter-nav {
    list-style: none;
    margin: 0;
    padding: 0;
}

.chapter-nav-link {
    border-left: 3px solid transparent;
    border-radius: 3px;
    color: var(--text);
    display: grid;
    gap: 3px 8px;
    grid-template-columns: 1fr auto auto;
    padding: 6px 6px 6px 8px;
    text-decoration: none;
}

.chapter-nav-link:hover {
    background: var(--surface-hover);
}

.chapter-nav-link[aria-current="true"] {
    background: var(--surface-sunken);
    border-left-color: var(--accent);
    font-weight: 600;
}

.chapter-nav-count {
    color: var(--text-muted);
    font-size: 12px;
    font-variant-numeric: tabular-nums;
}

.chapter-nav-check {
    color: #26a050;
    font-weight: 700;
    visibility: hidden;
}

.chapter-nav-item.is-finished .chapter-nav-check {
    visibility: visible;
}

.chapter-nav-bar {
    background: var(--border);
    border-radius: 2px;
    display: block;
    grid-column: 1 / -1;
    height: 4px;
    overflow: hidden;
}

.chapter-nav-bar-fill {
    background: #26a050;
    display: block;
    height: 100%;
    transition: width .3s;
}

.course-panel-downloads {
    list-style: none;
    margin: 0;
    padding: 0;
}

.course-panel-downloads li {
    margin-bottom: 4px;
}

#container-left.course-panel img.course-panel-dwarf {
    margin: 16px auto 0;
    width: 90px;
}

/* anchored categories must clear the fixed navigation */
.course-page .category {
    scroll-margin-top: 70px;
}

.course-page .exercise-line-wrapper {
    scroll-margin-top: 70px;
}

.certificate-fallback .certificate-hint {
    display: block;
}

.course-bar {
    display: none;
}

/* the panel is visible: its certificate block replaces the one in the main column */
@media only screen and (min-width: 941px) {
    .course-page #certificate-wrapper.certificate-fallback {
        display: none;
    }
}

@media only screen and (max-width: 940px) {
    .course-bar {
        background: var(--surface-alt);
        border: 1px solid var(--border-soft);
        border-radius: 4px;
        display: block;
        margin: 8px 0 16px;
        padding: 10px 12px;
        position: sticky;
        top: 56px;
        z-index: 10;
    }

    .course-bar-progress {
        align-items: center;
        display: flex;
        gap: 10px;
        margin-bottom: 8px;
    }

    .course-bar-progress .chapter-nav-bar {
        flex: 1;
    }

    .course-bar-actions {
        align-items: center;
        display: flex;
        flex-wrap: wrap;
        gap: 8px;
    }

    .course-bar-actions .button {
        max-width: none;
    }

    .course-bar-jump {
        flex: 1 1 160px;
        min-width: 0;
    }

    .course-bar-jump select {
        box-sizing: border-box;
        width: 100%;
        background: var(--surface);
        border: 1px solid var(--border);
        border-radius: 3px;
        color: var(--text);
        max-width: 100%;
        padding: 6px;
    }

    .course-bar [hidden] {
        display: none !important;
    }
}