/* =========================================================
   SmileAge — Single Research Article (page-specific styles)
   -----------------------------------------------------------
   Scope: styles only the single-article detail page. Every
   class here is prefixed "sa-ra-", distinct from "sa-", "sa-ev-",
   "sa-rep-", and "sa-res-" used elsewhere, so it loads alongside
   programs.css + research.css (reused here for shared tokens and
   the content-type tag) without any selector collisions.
   Load order: style.css, then programs.css, then research.css,
   then this file, then responsive.css last.
   ========================================================= */

/* Scoped to this page only (research-article.css is only loaded here). */
html {
    scroll-behavior: smooth;
}

.sa-ra-page {
    background-color: #fff;
    padding-block: clamp(2rem, 4vh, 3rem) clamp(4rem, 8vh, 6rem);
}

.sa-ra-back-link {
    display: inline-flex;
    align-items: center;
    gap: 0.55rem;
    margin-bottom: 1.75rem;
    font-weight: 600;
    font-size: 0.9rem;
    color: var(--mission-muted, #6f6c63);
    text-decoration: none;
    transition: color 0.2s ease, gap 0.2s ease;
}

.sa-ra-back-link:hover {
    color: var(--green-dark, #16362a);
    gap: 0.75rem;
}

/* ---------- Article header ---------- */
.sa-ra-header {
    max-width: 56rem;
    margin-bottom: 2.5rem;
}

.sa-ra-header-tags {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.65rem;
    margin-bottom: 1.25rem;
}

.sa-ra-status-tag {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    font-size: 0.72rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.03em;
    padding: 0.35rem 0.8rem;
    border-radius: var(--sa-radius-pill);
    background-color: var(--icon-green-bg, #e2f0e8);
    color: var(--green-dark, #16362a);
}

.sa-ra-title {
    font-family: var(--font-serif, "Playfair Display", serif);
    font-weight: 700;
    font-size: clamp(1.75rem, 3.4vw, 2.5rem);
    line-height: 1.3;
    color: var(--navy-heading, #16213e);
    margin-bottom: 1.25rem;
    overflow-wrap: break-word;
}

.sa-ra-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem 1.5rem;
    margin-bottom: 1.5rem;
    padding-bottom: 1.5rem;
    border-bottom: 1px solid rgba(28, 27, 23, 0.08);
}

.sa-ra-meta span {
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--mission-muted, #6f6c63);
}

.sa-ra-meta i {
    color: var(--green, #2fa878);
    font-size: 0.85rem;
}

.sa-ra-share {
    display: flex;
    align-items: center;
    gap: 0.65rem;
}

.sa-ra-share-label {
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--ink, #1c1b17);
    margin-right: 0.15rem;
}

.sa-ra-share-btn {
    position: relative;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 2.35rem;
    height: 2.35rem;
    border: 1px solid rgba(28, 27, 23, 0.12);
    border-radius: 50%;
    background-color: #fff;
    color: var(--mission-muted, #6f6c63);
    font-size: 0.9rem;
    transition: color 0.2s ease, border-color 0.2s ease, transform 0.2s ease;
}

.sa-ra-share-btn:hover {
    color: var(--green-dark, #16362a);
    border-color: var(--green, #2fa878);
    transform: translateY(-2px);
}

.sa-ra-copied-toast {
    position: absolute;
    top: -2.1rem;
    left: 50%;
    transform: translateX(-50%) translateY(4px);
    background-color: var(--green-dark, #16362a);
    color: #fff;
    font-size: 0.7rem;
    font-weight: 600;
    padding: 0.3rem 0.65rem;
    border-radius: 0.4rem;
    white-space: nowrap;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.2s ease, transform 0.2s ease;
}

.sa-ra-copied-toast-visible {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
}

/* ---------- Cover image ---------- */
.sa-ra-cover {
    margin-top: 2rem;
    border-radius: 1.5rem;
    overflow: hidden;
    box-shadow: var(--sa-shadow-soft);
    aspect-ratio: 21 / 8;
}

.sa-ra-cover img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

/* ---------- Two-column layout ---------- */
.sa-ra-layout {
    display: grid;
    grid-template-columns: 1fr 20rem;
    align-items: start;
    gap: 2.5rem;
}

.sa-ra-main {
    min-width: 0;
}

.sa-ra-sidebar {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    position: sticky;
    top: 7.5rem;
}

/* ---------- Generic card ---------- */
.sa-ra-card {
    background-color: #fff;
    border: 1px solid rgba(28, 27, 23, 0.08);
    border-radius: 1.25rem;
    padding: 1.75rem;
    /* margin-bottom: 1.5rem; */
    box-shadow: var(--sa-shadow-soft);
}

.sa-ra-card-title {
    display: flex;
    align-items: center;
    gap: 0.55rem;
    font-family: var(--font-sans, "Plus Jakarta Sans", sans-serif);
    font-weight: 700;
    font-size: 1.15rem;
    color: var(--navy-heading, #16213e);
    margin-bottom: 1rem;
}

.sa-ra-card-title i {
    color: var(--green, #2fa878);
    font-size: 1rem;
}

/* ---------- Abstract ---------- */
.sa-ra-abstract-text {
    font-size: 0.95rem;
    line-height: 1.75;
    color: var(--mission-muted, #6f6c63);
    margin-bottom: 0.5rem;
}

.sa-ra-clamped {
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.sa-ra-clamped-expanded {
    -webkit-line-clamp: unset;
    overflow: visible;
}

.sa-ra-read-more {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0;
    background: none;
    border: none;
    font-weight: 700;
    font-size: 0.85rem;
    color: var(--green-dark, #16362a);
    transition: color 0.2s ease;
}

.sa-ra-read-more:hover {
    color: var(--green, #2fa878);
}

.sa-ra-read-more i {
    font-size: 0.7rem;
    transition: transform 0.25s ease;
}

.sa-ra-read-more-open i {
    transform: rotate(180deg);
}

/* ---------- Article prose body ---------- */
.sa-ra-body {
    font-size: 0.98rem;
    line-height: 1.8;
    color: var(--ink, #1c1b17);
    margin-bottom: 1rem;
}

.sa-ra-body h2 {
    font-family: var(--font-sans, "Plus Jakarta Sans", sans-serif);
    font-weight: 700;
    font-size: 1.35rem;
    color: var(--navy-heading, #16213e);
    margin-top: 2.5rem;
    margin-bottom: 1rem;
    padding-top: 0.5rem;
    scroll-margin-top: 1.5rem;
}

.sa-ra-body > h2:first-child {
    margin-top: 0;
    padding-top: 0;
}

.sa-ra-body p {
    color: var(--mission-muted, #6f6c63);
    margin-bottom: 1.1rem;
}

.sa-ra-list {
    list-style: none;
    margin: 0 0 1.1rem;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.sa-ra-list li {
    position: relative;
    padding-left: 1.5rem;
    color: var(--mission-muted, #6f6c63);
}

.sa-ra-list li::before {
    content: "";
    position: absolute;
    left: 0;
    top: 0.55rem;
    width: 0.5rem;
    height: 0.5rem;
    border-radius: 50%;
    background-color: var(--green, #2fa878);
}

/* ---------- Key Factors numbered list ---------- */
.sa-ra-factor-list {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    margin-bottom: 1rem;
}

.sa-ra-factor {
    display: flex;
    gap: 1.1rem;
}

.sa-ra-factor-num {
    flex-shrink: 0;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 2.25rem;
    height: 2.25rem;
    border-radius: 50%;
    background-image: var(--sa-teal-grad);
    color: #fff;
    font-family: var(--font-sans, "Plus Jakarta Sans", sans-serif);
    font-weight: 700;
    font-size: 1rem;
}

.sa-ra-factor h3 {
    font-size: 1.02rem;
    font-weight: 700;
    color: var(--navy-heading, #16213e);
    margin-bottom: 0.4rem;
}

.sa-ra-factor p {
    font-size: 0.92rem;
    color: var(--mission-muted, #6f6c63);
    margin-bottom: 0;
}

/* ---------- Highlight cards (Methodology / Findings / Impact ...) ---------- */
.sa-ra-highlight {
    position: relative;
    padding-left: 2rem;
    scroll-margin-top: 1.5rem;
}

.sa-ra-highlight::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    bottom: 0;
    width: 5px;
    border-radius: 1.25rem 0 0 1.25rem;
}

.sa-ra-highlight p {
    font-size: 0.92rem;
    line-height: 1.7;
    color: var(--mission-muted, #6f6c63);
    margin-bottom: 0;
}

.sa-ra-highlight-blue::before {
    background-color: var(--blue, #2f6fd6);
}

.sa-ra-highlight-blue .sa-ra-card-title i {
    color: var(--blue, #2f6fd6);
}

.sa-ra-highlight-green::before {
    background-color: var(--green, #2fa878);
}

.sa-ra-highlight-purple::before {
    background-color: var(--purple, #7c3aed);
}

.sa-ra-highlight-purple .sa-ra-card-title i {
    color: var(--purple, #7c3aed);
}

.sa-ra-highlight-orange::before {
    background-color: var(--orange, #ee6518);
}

.sa-ra-highlight-orange .sa-ra-card-title i {
    color: var(--orange, #ee6518);
}

.sa-ra-highlight-teal::before {
    background-image: var(--sa-teal-grad);
}

.sa-ra-check-list,
.sa-ra-star-list {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: 0.7rem;
}

.sa-ra-check-list li,
.sa-ra-star-list li {
    display: flex;
    align-items: flex-start;
    gap: 0.6rem;
    font-size: 0.92rem;
    line-height: 1.6;
    color: var(--mission-muted, #6f6c63);
}

.sa-ra-check-list i {
    flex-shrink: 0;
    margin-top: 0.2rem;
    color: var(--green, #2fa878);
    font-size: 0.85rem;
}

.sa-ra-star-list i {
    flex-shrink: 0;
    margin-top: 0.2rem;
    color: var(--orange, #ee6518);
    font-size: 0.8rem;
}

/* ---------- Sidebar: Table of Contents ---------- */
.sa-ra-sidebar-title {
    display: flex;
    align-items: center;
    gap: 0.55rem;
    font-family: var(--font-sans, "Plus Jakarta Sans", sans-serif);
    font-weight: 700;
    font-size: 1rem;
    color: var(--navy-heading, #16213e);
    margin-bottom: 1rem;
}

.sa-ra-sidebar-title i {
    color: var(--green, #2fa878);
    font-size: 0.9rem;
}

.sa-ra-toc-list {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: 0.15rem;
    max-height: 22rem;
    overflow-y: auto;
}

.sa-ra-toc-list a {
    display: block;
    padding: 0.5rem 0.75rem;
    border-left: 2px solid transparent;
    border-radius: 0.4rem;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--mission-muted, #6f6c63);
    text-decoration: none;
    transition: color 0.2s ease, background-color 0.2s ease, border-color 0.2s ease;
}

.sa-ra-toc-list a:hover {
    color: var(--green-dark, #16362a);
    background-color: var(--cream-bg, #f8f4ee);
}

.sa-ra-toc-list a.sa-ra-toc-active {
    color: var(--green-dark, #16362a);
    background-color: var(--icon-green-bg, #e2f0e8);
    border-left-color: var(--green, #2fa878);
}

/* ---------- Sidebar: Details ---------- */
.sa-ra-detail-list {
    margin: 0;
}

.sa-ra-detail-list > div {
    padding-block: 0.65rem;
    border-bottom: 1px solid rgba(28, 27, 23, 0.08);
}

.sa-ra-detail-list > div:last-child {
    border-bottom: none;
    padding-bottom: 0;
}

.sa-ra-detail-list > div:first-child {
    padding-top: 0;
}

.sa-ra-detail-list dt {
    font-size: 0.72rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.03em;
    color: var(--mission-muted, #6f6c63);
    margin-bottom: 0.25rem;
}

.sa-ra-detail-list dd {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--ink, #1c1b17);
    margin: 0;
}

/* ---------- Sidebar: Source link ---------- */
.sa-ra-source-link {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    padding: 0.85rem 1rem;
    background-color: var(--cream-bg, #f8f4ee);
    border-radius: 0.75rem;
    color: var(--green-dark, #16362a);
    font-size: 0.82rem;
    font-weight: 600;
    text-decoration: none;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    transition: background-color 0.2s ease;
}

.sa-ra-source-link:hover {
    color: var(--green-dark, #16362a);
    background-color: var(--icon-green-bg, #e2f0e8);
}

.sa-ra-source-link i {
    flex-shrink: 0;
    color: var(--green, #2fa878);
}


#saRaArticle .wp-block-heading
{
    font-size: 25px;
    font-weight: 700;
    margin-bottom: 15px;
}
#saRaArticle .wp-block-image img
{
    width: 100%;
    height: auto;
}

.sa-blog-categories a
{
    color: var(--green, #2fa878);
}

.sa-ra-main .wp-block-heading
{
    scroll-margin-top: 120px;
}

.sa-recent-post
{
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 8px;
    border-bottom: 1px solid #ccc;
    padding-bottom: 8px;

}
.sa-ra-card .sa-recent-post:last-child
{
    margin-bottom: 0px;
    border-bottom: none;
    padding-bottom: 0px;
}

.sa-recent-post img
{
    width: 80px;
    height: auto;
    border-radius: 4px;
}
.sa-recent-post h6
{
    font-size: 14px;
    color: #000;
    margin-bottom: 5px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.sa-recent-post small
{
    font-size: 12px;
    padding: 2px 7px;
    display: inline-block;
    background: #e7e7e7;
    border-radius: 20px;
    color: #676767;
}