.cp-content-outline {
    position: fixed;
    top: 28vh;
    z-index: 40;
    width: 320px;
    max-width: calc(100vw - 24px);
    transition: transform 0.25s ease;
}

.cp-content-outline--right {
    right: 0;
}

.cp-content-outline--left {
    left: 0;
}

.cp-content-outline.is-collapsed.cp-content-outline--right {
    transform: translateX(calc(100% - 48px));
}

.cp-content-outline.is-collapsed.cp-content-outline--left {
    transform: translateX(calc(-100% + 48px));
}

.cp-content-outline__toggle {
    position: absolute;
    top: 16px;
    width: 48px;
    min-height: 120px;
    border: 0;
    background: #111827;
    color: #fff;
    font-weight: 700;
    cursor: pointer;
    writing-mode: vertical-rl;
    text-orientation: mixed;
    letter-spacing: 0.04em;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 14px 0 0 14px;
}

.cp-content-outline--left .cp-content-outline__toggle {
    left: auto;
    right: 0;
    border-radius: 0 14px 14px 0;
}

.cp-content-outline--right .cp-content-outline__toggle {
    left: 0;
}

.cp-content-outline__panel {
    margin-left: 48px;
    background: #fff;
    border: 1px solid #e5e7eb;
    border-right: 0;
    border-radius: 16px 0 0 16px;
    box-shadow: 0 18px 40px rgba(15, 23, 42, 0.12);
    max-height: 56vh;
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.cp-content-outline--left .cp-content-outline__panel {
    margin-left: 0;
    margin-right: 48px;
    border-right: 1px solid #e5e7eb;
    border-left: 0;
    border-radius: 0 16px 16px 0;
}

.cp-content-outline__panel-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    padding: 14px 16px;
    border-bottom: 1px solid #e5e7eb;
}

.cp-content-outline__title {
    font-size: 15px;
    line-height: 1.2;
    color: #111827;
}

.cp-content-outline__close {
    border: 0;
    background: transparent;
    font-size: 24px;
    line-height: 1;
    cursor: pointer;
    color: #6b7280;
}

.cp-content-outline__nav {
    overflow: auto;
    padding: 14px 16px 16px;
}

.cp-content-outline__list {
    list-style: none;
    margin: 0;
    padding: 0;
    display: grid;
    gap: 8px;
}

.cp-content-outline__item {
    margin: 0;
    padding: 0;
}

.cp-content-outline__item > .cp-content-outline__list {
    margin-top: 8px;
    padding-left: 14px;
    border-left: 1px solid #e5e7eb;
}

.cp-content-outline__link {
    color: #374151;
    text-decoration: none;
    line-height: 1.45;
    font-size: 14px;
}

.cp-content-outline__link:hover {
    color: #111827;
    text-decoration: underline;
}

@media (max-width: 1024px) {
    .cp-content-outline {
        width: 280px;
        top: auto;
        bottom: 16px;
    }

    .cp-content-outline.is-collapsed.cp-content-outline--right {
        transform: translateX(calc(100% - 44px));
    }

    .cp-content-outline.is-collapsed.cp-content-outline--left {
        transform: translateX(calc(-100% + 44px));
    }

    .cp-content-outline__toggle {
        width: 44px;
        min-height: 110px;
    }

    .cp-content-outline__panel {
        margin-left: 44px;
        max-height: 48vh;
    }

    .cp-content-outline--left .cp-content-outline__panel {
        margin-right: 44px;
    }
}