/**
 * Smart Article Navigation presentation.
 *
 * The Elementor selectors below are limited to the Single Post article row
 * and rail. Component presentation otherwise relies on stable Nabd classes.
 */

.single-post .elementor-869 .elementor-element.elementor-element-baac3d8:has(#nabd-article-navigation) {
    overflow-x: clip !important;
    overflow-y: visible !important;
}

.single-post .elementor-869 .elementor-element.elementor-element-48bcfdc:has(#nabd-article-navigation) {
    overflow: visible !important;
}

.single-post .elementor-869 .elementor-element.elementor-element-48bcfdc:has(#nabd-article-navigation) {
    align-items: stretch !important;
}

.single-post .elementor-869 .elementor-element.elementor-element-ca8d386:has(#nabd-article-navigation) {
    position: static !important;
    top: auto !important;
    align-self: stretch !important;
    height: auto !important;
    min-height: 0 !important;
}

.single-post .nabd-toc-sticky > .nabd-toc {
    flex: 1 1 auto;
    align-items: stretch !important;
    min-height: 100%;
}

.single-post .nabd-toc {
    position: relative;
    overflow: visible !important;
    padding: 18px !important;
    border: 1px solid #dce7f5 !important;
    border-radius: 24px;
    color: #143b7d !important;
    background: linear-gradient(180deg, #f7faff 0%, #eef5fd 100%) !important;
    box-shadow: none !important;
    isolation: isolate;
}

.single-post .nabd-toc::after {
    display: none !important;
    content: none !important;
}

.single-post .nabd-toc > * {
    position: relative;
    z-index: auto;
}

.single-post .nabd-toc > .elementor-widget,
.single-post .nabd-toc .elementor-shortcode {
    height: 100%;
    min-height: 100%;
}

.single-post .nabd-toc .elementor-shortcode {
    display: flex;
    flex-direction: column;
}

.single-post .nabd-toc .nabd-article-nav-rail-inner {
    flex: 1 1 auto;
    height: auto;
    min-height: 100%;
}

.nabd-article-nav {
    position: sticky;
    top: 140px;
    display: flex;
    flex-direction: column;
    inline-size: 100%;
    max-block-size: calc(100vh - 168px);
    padding: 22px;
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: 22px;
    color: #fff;
    background:
        linear-gradient(155deg, rgba(19, 116, 232, 0.24), transparent 54%),
        linear-gradient(165deg, #143b7d 0%, #0a2f67 100%);
    box-shadow: 0 18px 40px rgba(20, 59, 125, 0.18);
    text-align: start;
}

.nabd-article-nav__header {
    display: flex;
    flex: 0 0 auto;
    align-items: center;
    justify-content: space-between;
    gap: 14px;
    padding-block-end: 16px;
    border-block-end: 1px solid rgba(255, 255, 255, 0.16);
}

.single-post #nabd-article-navigation .nabd-article-nav__title {
    margin: 0;
    color: #fff;
    font-size: clamp(1.05rem, 1.2vw, 1.2rem);
    font-weight: 700;
    line-height: 1.45;
}

.nabd-article-nav__toggle {
    display: none;
    flex: 0 0 44px;
    align-items: center;
    justify-content: center;
    inline-size: 44px;
    block-size: 44px;
    padding: 0;
    border: 1px solid rgba(255, 255, 255, 0.28);
    border-radius: 12px;
    color: #fff;
    background: rgba(255, 255, 255, 0.08);
    cursor: pointer;
}

.nabd-article-nav__toggle::after {
    inline-size: 9px;
    block-size: 9px;
    border-inline-end: 2px solid currentColor;
    border-block-end: 2px solid currentColor;
    content: "";
    transform: rotate(45deg) translateY(-2px);
    transition: transform 180ms ease;
}

.nabd-article-nav__toggle[aria-expanded="true"]::after {
    transform: rotate(225deg) translate(-2px, -2px);
}

.nabd-article-nav__body {
    min-block-size: 0;
    overflow-x: hidden;
    overflow-y: auto;
    padding-block-start: 14px;
    scrollbar-color: rgba(255, 255, 255, 0.34) transparent;
    scrollbar-width: thin;
}

.nabd-article-nav__body::-webkit-scrollbar {
    inline-size: 6px;
}

.nabd-article-nav__body::-webkit-scrollbar-thumb {
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.3);
}

.nabd-article-nav__list {
    margin: 0;
    padding: 0;
    list-style: none;
}

.nabd-article-nav__list:not(.nabd-article-nav__list--nested) {
    counter-reset: nabd-article-section;
}

.nabd-article-nav__list:not(.nabd-article-nav__list--nested) > .nabd-article-nav__item {
    counter-increment: nabd-article-section;
}

.nabd-article-nav__item {
    margin: 0;
    padding: 0;
}

.single-post #nabd-article-navigation .nabd-article-nav__link {
    position: relative;
    display: grid;
    grid-template-columns: 2rem minmax(0, 1fr);
    gap: 8px;
    align-items: start;
    margin-block: 2px;
    padding: 9px 10px;
    border-inline-start: 3px solid transparent;
    border-radius: 10px;
    color: #dbe8fb;
    font-size: 14px;
    font-weight: 600;
    line-height: 1.55;
    text-align: start;
    text-decoration: none;
    overflow-wrap: anywhere;
    transition: color 160ms ease, background-color 160ms ease, border-color 160ms ease;
}

.nabd-article-nav__list:not(.nabd-article-nav__list--nested) > .nabd-article-nav__item > .nabd-article-nav__link::before {
    color: #8fc0fa;
    content: counter(nabd-article-section, decimal-leading-zero);
    font-size: 11px;
    font-variant-numeric: tabular-nums;
    font-weight: 700;
    letter-spacing: 0.04em;
    line-height: 2.05;
}

.nabd-article-nav__list--nested {
    padding-inline-start: 14px;
}

.single-post #nabd-article-navigation .nabd-article-nav__list--nested .nabd-article-nav__link {
    grid-template-columns: 0.6rem minmax(0, 1fr);
    margin-inline-start: 6px;
    color: #c8d9f1;
    font-size: 13px;
    font-weight: 500;
}

.nabd-article-nav__list--nested .nabd-article-nav__link::before {
    inline-size: 5px;
    block-size: 5px;
    margin-block-start: 0.7em;
    border-radius: 50%;
    background: #6faef6;
    content: "";
}

.nabd-article-nav__list--nested .nabd-article-nav__list--nested {
    padding-inline-start: 12px;
}

.single-post #nabd-article-navigation .nabd-article-nav__list--nested .nabd-article-nav__list--nested .nabd-article-nav__link {
    color: #b8cbe6;
    font-size: 12px;
}

.single-post #nabd-article-navigation .nabd-article-nav__link:hover {
    color: #fff;
    background: rgba(19, 116, 232, 0.2);
}

.single-post #nabd-article-navigation .nabd-article-nav__link--active,
.single-post #nabd-article-navigation .nabd-article-nav__link[aria-current="location"] {
    border-inline-start-color: #ae1c20;
    color: #fff;
    background: rgba(255, 255, 255, 0.12);
    font-weight: 700;
}

.single-post #nabd-article-navigation .nabd-article-nav__link:focus-visible,
.single-post #nabd-article-navigation .nabd-article-nav__toggle:focus-visible {
    outline: 3px solid #9dccff;
    outline-offset: 3px;
}

#article-key-points,
#article-content h2[id],
#article-content h3[id],
#article-content h4[id],
#article-sources,
#article-medical-reviewer {
    scroll-margin-block-start: 150px;
}

@media (max-width: 1100px) {
    .single-post .elementor-869 .elementor-element.elementor-element-48bcfdc:has(#nabd-article-navigation) {
        flex-direction: column !important;
        gap: 28px;
        padding-inline: 48px !important;
    }

    .single-post .elementor-869 .elementor-element.elementor-element-ca8d386:has(#nabd-article-navigation),
    .single-post .elementor-869 .elementor-element.elementor-element-d98a2ed {
        inline-size: 100% !important;
        max-inline-size: 100% !important;
    }

    .single-post .nabd-toc-sticky,
    .single-post .nabd-toc-sticky > .nabd-toc,
    .single-post .nabd-toc > .elementor-widget,
    .single-post .nabd-toc .elementor-shortcode,
    .single-post .nabd-toc .nabd-article-nav-rail-inner {
        min-height: 0;
        height: auto !important;
    }

    .single-post .nabd-toc {
        padding: 10px !important;
        border-radius: 22px;
    }

    .nabd-article-nav {
        position: static;
        top: auto;
        max-block-size: none;
        padding: 0;
        border-radius: 18px;
    }

    .nabd-article-nav__header {
        min-block-size: 64px;
        padding: 10px 12px 10px 20px;
        border-block-end: 0;
    }

    .nabd-article-nav__toggle {
        display: flex;
    }

    .nabd-article-nav__body {
        max-block-size: min(65vh, 560px);
        padding: 8px 12px 16px;
        border-block-start: 1px solid rgba(255, 255, 255, 0.16);
    }

    .nabd-article-nav__body[hidden] {
        display: none;
    }
}

@media (max-width: 600px) {
    .single-post .elementor-869 .elementor-element.elementor-element-48bcfdc:has(#nabd-article-navigation) {
        gap: 20px;
        padding-inline: 18px !important;
    }

    .single-post .nabd-toc {
        padding: 6px !important;
        border-radius: 18px;
    }

    .nabd-article-nav {
        border-radius: 15px;
    }

    .nabd-article-nav__header {
        min-block-size: 60px;
        padding-inline: 10px 14px;
    }

    .single-post #nabd-article-navigation .nabd-article-nav__title {
        font-size: 1rem;
    }

    .nabd-article-nav__body {
        padding-inline: 8px;
    }
}

@media (prefers-reduced-motion: reduce) {
    .nabd-article-nav__toggle::after,
    .nabd-article-nav__link {
        transition: none;
    }
}