.ksaber-toc {
    --ksaber-toc-bg: #ffffff;
    --ksaber-toc-text: #111111;
    --ksaber-toc-accent: #111111;
    --ksaber-toc-border: #e5e7eb;
    --ksaber-toc-hover-bg: #f3f4f6;
    --ksaber-toc-hover-text: #000000;
    box-sizing: border-box;
    width: 100%;
    margin: 1.5rem 0 2rem;
    background: var(--ksaber-toc-bg);
    color: var(--ksaber-toc-text);
    border: 1px solid var(--ksaber-toc-border);
    border-left: 5px solid var(--ksaber-toc-accent);
    border-radius: 14px;
    overflow: hidden;
    box-shadow: 0 12px 35px rgba(15, 23, 42, 0.07);
}

.ksaber-toc *,
.ksaber-toc *::before,
.ksaber-toc *::after {
    box-sizing: border-box;
}

.ksaber-toc__toggle {
    appearance: none;
    width: 100%;
    border: 0;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
    padding: 1rem 1.15rem;
    background: transparent;
    color: var(--ksaber-toc-text);
    font: inherit;
    font-weight: 700;
    text-align: left;
}

.ksaber-toc__toggle:hover,
.ksaber-toc__toggle:focus-visible {
    background: var(--ksaber-toc-hover-bg);
    color: var(--ksaber-toc-hover-text);
    outline: none;
}

.ksaber-toc__title {
    display: inline-flex;
    align-items: center;
    gap: .45rem;
    line-height: 1.25;
}

.ksaber-toc__title::before {
    content: "☰";
    display: inline-block;
    font-size: .95em;
    color: var(--ksaber-toc-accent);
}

.ksaber-toc__toggle-icon {
    width: .65rem;
    height: .65rem;
    border-right: 2px solid currentColor;
    border-bottom: 2px solid currentColor;
    transform: rotate(45deg);
    transition: transform .2s ease;
    flex: 0 0 auto;
}

.ksaber-toc.is-collapsed .ksaber-toc__toggle-icon {
    transform: rotate(-45deg);
}

.ksaber-toc__body {
    padding: .35rem .85rem 1rem;
    border-top: 1px solid var(--ksaber-toc-border);
}

.ksaber-toc__body[hidden],
.ksaber-toc__children[hidden] {
    display: none !important;
}

.ksaber-toc__list {
    margin-top: .25rem;
    margin-bottom: 0;
    padding-left: 1.35rem;
}

.ksaber-toc__list--depth-0 {
    padding-left: 0;
}

.ksaber-toc[data-numbering="0"] .ksaber-toc__list {
    list-style: none;
    padding-left: 0;
}

.ksaber-toc__item {
    margin: .15rem 0;
    padding: 0;
}

.ksaber-toc__row {
    display: flex;
    align-items: flex-start;
    gap: .35rem;
    min-height: 2.1rem;
    border-radius: 10px;
    transition: background .15s ease, color .15s ease;
}

.ksaber-toc__row:hover,
.ksaber-toc__row:focus-within {
    background: var(--ksaber-toc-hover-bg);
    color: var(--ksaber-toc-hover-text);
}

.ksaber-toc__link {
    display: block;
    flex: 1 1 auto;
    padding: .45rem .55rem .45rem .1rem;
    color: var(--ksaber-toc-text);
    text-decoration: none;
    line-height: 1.35;
    overflow-wrap: anywhere;
}

.ksaber-toc__row:hover .ksaber-toc__link,
.ksaber-toc__row:focus-within .ksaber-toc__link {
    color: var(--ksaber-toc-hover-text);
}

.ksaber-toc__link:hover,
.ksaber-toc__link:focus-visible {
    text-decoration: underline;
    text-underline-offset: 3px;
    outline: none;
}

.ksaber-toc__branch-toggle,
.ksaber-toc__branch-spacer {
    width: 1.7rem;
    min-width: 1.7rem;
    height: 2.1rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    margin: 0;
}

.ksaber-toc__branch-toggle {
    appearance: none;
    border: 0;
    border-radius: 8px;
    background: transparent;
    color: var(--ksaber-toc-text);
    cursor: pointer;
}

.ksaber-toc__branch-toggle:hover,
.ksaber-toc__branch-toggle:focus-visible {
    background: rgba(0, 0, 0, .05);
    outline: none;
}

.ksaber-toc__branch-toggle span {
    width: .45rem;
    height: .45rem;
    border-right: 2px solid currentColor;
    border-bottom: 2px solid currentColor;
    transform: rotate(45deg);
    transition: transform .18s ease;
}

.ksaber-toc__branch-toggle[aria-expanded="false"] span {
    transform: rotate(-45deg);
}

.ksaber-toc__children {
    margin-left: .75rem;
}

.ksaber-toc__item--h1 > .ksaber-toc__row .ksaber-toc__link {
    font-weight: 700;
}

.ksaber-toc__item--h2 > .ksaber-toc__row .ksaber-toc__link {
    font-weight: 650;
}

.ksaber-toc__item--h5 > .ksaber-toc__row .ksaber-toc__link,
.ksaber-toc__item--h6 > .ksaber-toc__row .ksaber-toc__link {
    font-size: .95em;
}

.entry-content h1[id],
.entry-content h2[id],
.entry-content h3[id],
.entry-content h4[id],
.entry-content h5[id],
.entry-content h6[id],
.post-content h1[id],
.post-content h2[id],
.post-content h3[id],
.post-content h4[id],
.post-content h5[id],
.post-content h6[id] {
    scroll-margin-top: 95px;
}

@media (max-width: 640px) {
    .ksaber-toc {
        border-radius: 12px;
    }

    .ksaber-toc__toggle {
        padding: .9rem 1rem;
    }

    .ksaber-toc__body {
        padding: .25rem .65rem .85rem;
    }

    .ksaber-toc__children {
        margin-left: .35rem;
    }
}

/* Versión 1.1: acordeón por secciones y resaltado suave de lectura */
.ksaber-toc__link.is-active {
    font-weight: 700;
    background: var(--ksaber-toc-hover-bg);
    color: var(--ksaber-toc-hover-text);
    border-left: 3px solid var(--ksaber-toc-accent);
    padding-left: .45rem;
    border-radius: 9px;
}

.ksaber-toc__branch-toggle span {
    width: auto;
    height: auto;
    border: 0;
    transform: none;
    line-height: 1;
}

.ksaber-toc__branch-toggle span::before {
    content: "▸";
    display: inline-block;
    font-size: .9rem;
    transform: translateY(-1px);
    transition: transform .18s ease;
}

.ksaber-toc__branch-toggle[aria-expanded="true"] span::before {
    content: "▾";
}

.ksaber-toc__branch-toggle[aria-expanded="false"] span {
    transform: none;
}

.ksaber-toc-target-highlight {
    animation: ksaberTocTargetHighlight 1.8s ease;
    border-radius: 8px;
}

@keyframes ksaberTocTargetHighlight {
    0% {
        background: color-mix(in srgb, var(--ksaber-toc-accent, #111111) 12%, transparent);
        box-shadow: 0 0 0 9px color-mix(in srgb, var(--ksaber-toc-accent, #111111) 12%, transparent);
    }
    100% {
        background: transparent;
        box-shadow: 0 0 0 0 transparent;
    }
}

h1[id],
h2[id],
h3[id],
h4[id],
h5[id],
h6[id] {
    scroll-margin-top: 105px;
}

/* Versión 1.2: scroll interno y banderín móvil/tablet */
.ksaber-toc__body {
    max-height: min(70vh, 680px);
    overflow-y: auto;
    overscroll-behavior: contain;
    scrollbar-width: thin;
    scrollbar-color: color-mix(in srgb, var(--ksaber-toc-accent, #111111) 42%, transparent) transparent;
}

.ksaber-toc__body::-webkit-scrollbar {
    width: 8px;
}

.ksaber-toc__body::-webkit-scrollbar-track {
    background: transparent;
}

.ksaber-toc__body::-webkit-scrollbar-thumb {
    background: color-mix(in srgb, var(--ksaber-toc-accent, #111111) 28%, transparent);
    border-radius: 999px;
}

.ksaber-toc-mobile-tab {
    display: none;
}

@media (max-width: 1024px) {
    .ksaber-toc.ksaber-toc--mobile-ready {
        position: fixed !important;
        top: 50%;
        right: max(10px, env(safe-area-inset-right));
        width: min(88vw, 410px);
        max-width: calc(100vw - 64px);
        max-height: calc(100dvh - 36px);
        margin: 0 !important;
        z-index: 99999;
        opacity: 0;
        pointer-events: none;
        transform: translate(calc(100% + 32px), -50%);
        transition: transform .24s ease, opacity .24s ease, box-shadow .24s ease;
        border-radius: 16px;
        box-shadow: 0 22px 60px rgba(15, 23, 42, .23);
    }

    .ksaber-toc.ksaber-toc--mobile-ready.is-mobile-open {
        opacity: 1;
        pointer-events: auto;
        transform: translate(0, -50%);
    }

    .ksaber-toc.ksaber-toc--mobile-ready .ksaber-toc__body {
        max-height: calc(100dvh - 116px);
        padding-bottom: 1rem;
    }

    .ksaber-toc-mobile-tab {
        appearance: none;
        position: fixed;
        top: 50%;
        right: 0;
        z-index: 100000;
        display: inline-flex;
        flex-direction: column;
        align-items: center;
        justify-content: center;
        gap: .25rem;
        width: 44px;
        min-height: 96px;
        padding: .65rem .32rem;
        border: 1px solid var(--ksaber-toc-accent, #111111);
        border-right: 0;
        border-radius: 16px 0 0 16px;
        background: var(--ksaber-toc-accent, #111111);
        color: var(--ksaber-toc-bg, #ffffff);
        box-shadow: 0 14px 34px rgba(15, 23, 42, .22);
        cursor: pointer;
        font: inherit;
        font-size: .72rem;
        font-weight: 800;
        line-height: 1;
        letter-spacing: .02em;
        text-transform: uppercase;
        transform: translateY(-50%);
        transition: background .18s ease, color .18s ease, transform .18s ease, box-shadow .18s ease;
        -webkit-tap-highlight-color: transparent;
    }

    .ksaber-toc-mobile-tab:hover,
    .ksaber-toc-mobile-tab:focus-visible {
        transform: translateY(-50%) translateX(-2px);
        outline: none;
        box-shadow: 0 18px 42px rgba(15, 23, 42, .28);
    }

    .ksaber-toc-mobile-tab.is-toc-open {
        background: var(--ksaber-toc-bg, #ffffff);
        color: var(--ksaber-toc-accent, #111111);
        border-color: var(--ksaber-toc-border, #e5e7eb);
    }

    .ksaber-toc-mobile-tab__icon {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        width: 1.2rem;
        height: 1.2rem;
        font-size: 1rem;
        line-height: 1;
    }

    .ksaber-toc-mobile-tab__text {
        writing-mode: vertical-rl;
        transform: rotate(180deg);
        white-space: nowrap;
    }
}

@media (max-width: 480px) {
    .ksaber-toc.ksaber-toc--mobile-ready {
        width: min(90vw, 360px);
        max-width: calc(100vw - 58px);
        right: 8px;
    }

    .ksaber-toc-mobile-tab {
        width: 40px;
        min-height: 88px;
        border-radius: 14px 0 0 14px;
        font-size: .68rem;
    }
}