.cms-lessons {
    --cms-lessons-border: rgba(127, 127, 127, .30);
    --cms-lessons-faint: rgba(127, 127, 127, .08);
    --cms-lessons-line: rgba(127, 127, 127, .35);
    --cms-lessons-accent: #58a6ff;
    --cms-lessons-rail: 48px;
    --cms-lessons-media: 72px;
    --cms-lessons-gap: 18px;

    display: flex;
    gap: 16px;
    margin: var(--cms-lessons-gap) 0;
    position: relative;
    align-items: stretch;
}

.cms-lessons__rail {
    flex: 0 0 var(--cms-lessons-rail);
    position: relative;
    display: flex;
    justify-content: center;
}

.cms-lessons__rail::before {
    content: "";
    position: absolute;
    left: 50%;
    margin-left: -1px;
    top: var(--cms-lessons-rail);
    bottom: calc(var(--cms-lessons-gap) * -1);
    width: 2px;
    background: var(--cms-lessons-line);
    opacity: .5;
}

.cms-lessons--no-number .cms-lessons__rail::before {
    top: 0;
}

.cms-lessons--last .cms-lessons__rail::before {
    display: none;
}

.cms-lessons__num {
    position: relative;
    z-index: 1;
    flex: 0 0 auto;
    width: var(--cms-lessons-rail);
    height: var(--cms-lessons-rail);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    font-size: .95em;
    border: 1px solid var(--cms-lessons-border);
    background: var(--cms-lessons-faint);
}

.cms-lessons__num--spacer {
    border-color: transparent;
    background: transparent;
}

.cms-lessons__body {
    position: relative;
    flex: 1 1 auto;
    min-width: 0;
    border: 1px solid var(--cms-lessons-border);
    border-radius: 14px;
    padding: 16px 18px;
    background: var(--cms-lessons-faint);
}

.cms-lessons__main {
    display: flex;
    gap: 16px;
    align-items: flex-start;
    justify-content: space-between;
}

.cms-lessons__text {
    flex: 1 1 auto;
    min-width: 0;
}

.cms-lessons__title {
    margin: 0 0 6px;
    font-size: 1.15em;
    font-weight: 700;
    line-height: 1.25;
}

.cms-lessons .cms-lessons__title-link {
    color: inherit !important;
    text-decoration: none !important;
    transition: color .15s ease;
}

.cms-lessons .cms-lessons__title-link:hover,
.cms-lessons .cms-lessons__title-link:focus {
    color: var(--cms-lessons-accent) !important;
    text-decoration: none !important;
}

.cms-lessons__desc {
    margin: 0;
    font-size: .96em;
    line-height: 1.45;
    opacity: .7;
}

.cms-lessons__media {
    flex: 0 0 auto;
    width: var(--cms-lessons-media);
    height: var(--cms-lessons-media);
    display: flex;
    align-items: center;
    justify-content: center;
}

.cms-lessons__done {
    display: none;
    position: absolute;
    right: 16px;
    bottom: 16px;
    align-items: center;
    justify-content: center;
    width: 22px;
    height: 22px;
    border-radius: 50%;
    color: #8fce9f;
    background: rgba(143, 206, 159, .14);
    opacity: .85;
    cursor: help;
}

.cms-lessons.is-done .cms-lessons__done {
    display: flex;
}

.cms-lessons__done-icon {
    width: 14px;
    height: 14px;
    display: block;
}

.cms-lessons__img {
    width: var(--cms-lessons-media);
    height: var(--cms-lessons-media);
    object-fit: cover;
    border-radius: 12px;
    display: block;
}

.cms-lessons__emoji {
    font-size: 46px;
    line-height: 1;
}

.cms-lessons__placeholder {
    font-size: 46px;
    line-height: 1;
    opacity: .22;
    user-select: none;
    -webkit-user-select: none;
}

.cms-lessons__badge {
    font-size: .72rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: .08em;
    line-height: 1;
    white-space: nowrap;
    padding: 5px 11px;
    border-radius: 999px;
    background: var(--cms-lessons-faint);
    border: 1px solid var(--cms-lessons-border);
    color: currentColor;
    opacity: .7;
}

.cms-lessons__actions {
    margin-top: 14px;
}

.cms-lessons .cms-lessons__btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-weight: 700;
    font-size: .9em;
    line-height: 1;
    padding: 9px 16px;
    border-radius: 9px;
    border: 1px solid transparent;
    box-shadow: none;
    cursor: pointer;
    transition: filter .15s ease, border-color .15s ease, color .15s ease, background-color .15s ease;
}

.cms-lessons .cms-lessons__btn,
.cms-lessons .cms-lessons__btn:hover,
.cms-lessons .cms-lessons__btn:focus,
.cms-lessons .cms-lessons__btn:active {
    text-decoration: none !important;
}

.cms-lessons .cms-lessons__btn--open {
    background: transparent;
    color: inherit !important;
    border: 1px solid var(--cms-lessons-border) !important;
}

.cms-lessons .cms-lessons__btn--open:hover {
    border-color: var(--cms-lessons-accent) !important;
    color: var(--cms-lessons-accent) !important;
}

.cms-lessons .cms-lessons__btn--play {
    background: var(--cms-lessons-accent);
    color: #fff !important;
    border: 1px solid var(--cms-lessons-accent) !important;
}

.cms-lessons .cms-lessons__btn--play:hover {
    filter: brightness(1.08);
    color: #fff !important;
}

@media (max-width: 480px) {
    .cms-lessons {
        --cms-lessons-rail: 38px;
        --cms-lessons-media: 56px;
        gap: 12px;
    }

    .cms-lessons__emoji,
    .cms-lessons__placeholder {
        font-size: 36px;
    }
}