.article-icon-button,
.article-citation-item button,
.article-final-cta a,
.article-author-box__links a,
.article-post-nav__item,
.article-sidebar-cta a,
.article-floating-action {
    display: inline-flex;
    align-items: center;
    justify-content: center;

    border-radius: var(--radius-full);

    text-decoration: none;

    transition:
        transform 220ms ease,
        color 220ms ease,
        background-color 220ms ease,
        border-color 220ms ease,
        opacity 220ms ease;
}

.article-floating-actions {
    position: fixed;
    right: clamp(1rem, 3vw, 1.6rem);
    bottom: clamp(1rem, 3vw, 1.6rem);
    z-index: 1000;

    display: grid;
    gap: 0.72rem;
}

.article-floating-action {
    position: relative;

    width: 3.15rem;
    height: 3.15rem;

    border: 1px solid var(--color-border);

    color: var(--color-text);
    background: var(--color-bg-soft);
    backdrop-filter: blur(18px);

    box-shadow: var(--shadow-soft);

    font-size: 1rem;
    font-weight: 850;
    line-height: 1;

    cursor: pointer;
}

.article-floating-action:hover {
    transform: translateY(-2px) scale(1.03);

    color: var(--color-bg);
    background: var(--color-text);
    border-color: var(--color-text);
}

.article-floating-action::after {
    content: attr(data-tooltip);

    position: absolute;
    right: calc(100% + 0.65rem);
    top: 50%;

    transform: translateY(-50%) translateX(0.35rem);

    width: max-content;
    max-width: 180px;

    padding: 0.55rem 0.72rem;

    border: 1px solid var(--color-border);
    border-radius: var(--radius-full);

    color: var(--color-text);
    background: var(--color-bg-soft);
    backdrop-filter: blur(18px);

    box-shadow: var(--shadow-soft);

    font-size: 0.78rem;
    font-weight: 760;
    line-height: 1;
    white-space: nowrap;

    opacity: 0;
    pointer-events: none;

    transition:
        opacity 180ms ease,
        transform 180ms ease;
}

.article-floating-action:hover::after,
.article-floating-action:focus-visible::after {
    opacity: 1;
    transform: translateY(-50%) translateX(0);
}

.article-tool-card {
    padding: 1rem;

    border: 1px solid var(--color-border);
    border-radius: 1.15rem;

    background: var(--color-bg-soft);
    backdrop-filter: blur(18px);

    box-shadow: var(--shadow-soft);
}

.article-tool-card__label,
.article-toc h2,
.article-sidebar-cta h2 {
    margin: 0;

    color: var(--color-text);

    font-size: 0.78rem;
    font-weight: 850;
    letter-spacing: 0.12em;
    line-height: 1.2;
    text-transform: uppercase;
}

.article-reading-card__track {
    overflow: hidden;

    height: 0.42rem;

    margin-top: 0.8rem;

    border-radius: 999px;

    background: rgba(245, 242, 255, 0.08);
}

html[data-theme="light"] .article-reading-card__track {
    background: rgba(23, 23, 23, 0.08);
}

.article-reading-card__track span {
    display: block;

    width: 0%;
    height: 100%;

    border-radius: inherit;

    background: linear-gradient(90deg, var(--color-sky), var(--color-text));

    transition: width 120ms linear;
}

.article-reading-card__value {
    margin: 0.65rem 0 0;

    color: var(--color-text-muted);

    font-size: 0.82rem;
}

.article-toc ol {
    display: grid;
    gap: 0.25rem;

    margin: 0.9rem 0 0;
    padding: 0;

    list-style: none;
}

.article-toc a {
    display: block;

    padding: 0.48rem 0.55rem;

    border-radius: 0.7rem;

    color: var(--color-text-muted);

    font-size: 0.86rem;
    line-height: 1.35;
    text-decoration: none;

    transition:
        color 180ms ease,
        background-color 180ms ease;
}

.article-toc a:hover,
.article-toc a.is-active {
    color: var(--color-text);
    background: rgba(245, 242, 255, 0.07);
}

html[data-theme="light"] .article-toc a:hover,
html[data-theme="light"] .article-toc a.is-active {
    background: rgba(23, 23, 23, 0.045);
}

.article-sidebar-cta p {
    margin: 0.7rem 0 0;

    color: var(--color-text-muted);

    font-size: 0.88rem;
    line-height: 1.55;
}

.article-sidebar-cta a {
    margin-top: 0.9rem;
    padding: 0.7rem 0.95rem;

    border: 1px solid var(--color-border);

    color: var(--color-text);
    background: transparent;

    font-size: 0.86rem;
    font-weight: 750;
}

.article-sidebar-cta a:hover {
    transform: translateY(-1px);

    color: var(--color-bg);
    background: var(--color-text);
    border-color: var(--color-text);
}

.article-note {
    margin-top: 1.5rem;
    padding: clamp(1.1rem, 3vw, 1.5rem);

    border: 1px solid var(--color-border);
    border-radius: 1.2rem;

    background: rgba(245, 242, 255, 0.045);
}

html[data-theme="light"] .article-note {
    background: rgba(23, 23, 23, 0.035);
}

.article-note h3 {
    margin-top: 0;
}

.article-grid-list {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1rem;

    margin-top: 1.2rem;
}

.article-grid-list>div {
    padding: clamp(1.1rem, 3vw, 1.45rem);

    border: 1px solid var(--color-border);
    border-radius: 1.2rem;

    background: rgba(245, 242, 255, 0.04);
}

html[data-theme="light"] .article-grid-list>div {
    background: rgba(23, 23, 23, 0.03);
}

.article-grid-list h3 {
    margin-top: 0;
}

.article-citation-panel,
.article-author-box,
.article-final-cta,
.article-post-nav {
    margin-top: clamp(2.4rem, 6vw, 4rem);
}

.article-citation-panel {
    padding: clamp(1rem, 3vw, 1.5rem);

    border: 1px solid var(--color-border);
    border-radius: 1.35rem;

    background: var(--color-bg-soft);

    box-shadow: var(--shadow-soft);
}

.article-citation-panel[hidden] {
    display: none;
}

.article-citation-panel__header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 1rem;
}

.article-citation-panel__header h2 {
    margin: 0;

    font-size: clamp(1.4rem, 3vw, 2rem);
    letter-spacing: -0.04em;
}

.article-icon-button {
    flex: 0 0 auto;

    width: 2.3rem;
    height: 2.3rem;

    border: 1px solid var(--color-border);

    color: var(--color-text);
    background: transparent;

    cursor: pointer;
}

.article-icon-button:hover {
    color: var(--color-bg);
    background: var(--color-text);
    border-color: var(--color-text);
}

.article-citation-list {
    display: grid;
    gap: 0.9rem;

    margin-top: 1.2rem;
}

.article-citation-item {
    padding: 1rem;

    border: 1px solid var(--color-border);
    border-radius: 1rem;

    background: rgba(245, 242, 255, 0.035);
}

html[data-theme="light"] .article-citation-item {
    background: rgba(23, 23, 23, 0.028);
}

.article-citation-item h3 {
    margin: 0 0 0.45rem;

    font-size: 1rem;
}

.article-citation-item p {
    margin: 0;

    color: var(--color-text-muted);

    line-height: 1.65;
}

.article-citation-item pre {
    overflow-x: auto;

    margin: 0;
    padding: 0.9rem;

    border: 1px solid var(--color-border);
    border-radius: 0.8rem;

    color: var(--color-text);
    background: rgba(0, 0, 0, 0.14);

    font-size: 0.8rem;
    line-height: 1.55;
}

html[data-theme="light"] .article-citation-item pre {
    background: rgba(23, 23, 23, 0.045);
}

.article-citation-item button {
    margin-top: 0.8rem;
    padding: 0.62rem 0.85rem;

    border: 1px solid var(--color-border);

    color: var(--color-text);
    background: transparent;

    font-size: 0.82rem;
    font-weight: 760;

    cursor: pointer;
}

.article-citation-item button:hover {
    color: var(--color-bg);
    background: var(--color-text);
    border-color: var(--color-text);
}

.article-author-box {
    display: grid;
    grid-template-columns: 92px minmax(0, 1fr);
    gap: 1rem;

    padding: clamp(1.1rem, 3vw, 1.6rem);

    border: 1px solid var(--color-border);
    border-radius: 1.35rem;

    background: var(--color-bg-soft);

    box-shadow: var(--shadow-soft);
}

.article-author-box>img {
    width: 92px;
    height: 92px;

    border-radius: 50%;

    object-fit: cover;
}

.article-author-box h2 {
    margin: 0;

    font-size: clamp(1.45rem, 3vw, 2rem);
    letter-spacing: -0.045em;
}

.article-author-box p:not(.article-kicker) {
    margin: 0.65rem 0 0;

    color: var(--color-text-muted);

    line-height: 1.68;
}

.article-author-box__links {
    display: flex;
    flex-wrap: wrap;
    gap: 0.6rem;

    margin-top: 1rem;
}

.article-author-box__links a {
    padding: 0.58rem 0.82rem;

    border: 1px solid var(--color-border);

    color: var(--color-text-muted);

    font-size: 0.84rem;
    font-weight: 750;
}

.article-author-box__links a:hover {
    transform: translateY(-1px);

    color: var(--color-text);
    border-color: var(--color-border-strong);
    background: rgba(245, 242, 255, 0.06);
}

html[data-theme="light"] .article-author-box__links a:hover {
    background: rgba(23, 23, 23, 0.04);
}

.article-final-cta {
    padding: clamp(1.4rem, 4vw, 2.2rem);

    border: 1px solid var(--color-border);
    border-radius: 1.5rem;

    background: var(--color-bg-soft);

    box-shadow: var(--shadow-soft);
}

.article-final-cta h2 {
    max-width: 720px;

    margin: 0;

    font-size: clamp(1.8rem, 4vw, 3rem);
    line-height: 1;
    letter-spacing: -0.055em;
}

.article-final-cta p:not(.article-kicker) {
    max-width: 620px;

    margin: 1rem 0 0;

    color: var(--color-text-muted);

    line-height: 1.7;
}

.article-final-cta a {
    margin-top: 1.2rem;
    padding: 0.85rem 1.15rem;

    border: 1px solid var(--color-text);

    color: var(--color-bg);
    background: var(--color-text);

    font-weight: 780;
}

.article-final-cta a:hover {
    transform: translateY(-2px);
    opacity: 0.86;
}

.article-post-nav {
    display: grid;
}

.article-post-nav__item {
    align-items: flex-start;

    padding: 1.1rem;

    border: 1px solid var(--color-border);
    border-radius: 1.15rem;

    color: var(--color-text);
    background: rgba(245, 242, 255, 0.035);

    flex-direction: column;
}

html[data-theme="light"] .article-post-nav__item {
    background: rgba(23, 23, 23, 0.028);
}

.article-post-nav__item:hover {
    transform: translateY(-2px);

    border-color: var(--color-border-strong);
    background: rgba(245, 242, 255, 0.065);
}

html[data-theme="light"] .article-post-nav__item:hover {
    background: rgba(23, 23, 23, 0.045);
}

.article-post-nav__item span {
    color: var(--color-text-muted);

    font-size: 0.78rem;
    font-weight: 840;
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

.article-post-nav__item strong {
    margin-top: 0.35rem;

    font-size: clamp(1.1rem, 2vw, 1.35rem);
    line-height: 1.2;
}

.article-toast {
    position: fixed;
    left: 50%;
    bottom: 1.2rem;
    z-index: 1002;

    transform: translate(-50%, 160%);

    padding: 0.78rem 1rem;

    border: 1px solid var(--color-border);
    border-radius: var(--radius-full);

    color: var(--color-text);
    background: var(--color-bg-soft);
    backdrop-filter: blur(18px);

    box-shadow: var(--shadow-soft);

    font-size: 0.9rem;
    font-weight: 740;

    transition: transform 260ms ease;
}

.article-toast.is-visible {
    transform: translate(-50%, 0);
}

/* =========================================================
   Floating citation action refinement
   ========================================================= */

.article-floating-action {
    width: 3.25rem;
    height: 3.25rem;
}

.article-floating-action__icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;

    width: 1.28rem;
    height: 1.28rem;
}

.article-floating-action__icon svg {
    display: block;

    width: 100%;
    height: 100%;

    fill: currentColor;
}

.article-floating-action:hover .article-floating-action__icon {
    transform: scale(1.04);
}

/* =========================================================
   Author social icons + CTA button direction refinement
   ========================================================= */

.article-author-box__links {
    gap: 0.55rem;
}

.article-author-box__links a {
    width: 2.45rem;
    height: 2.45rem;

    padding: 0;

    border: 1px solid var(--color-border);
    border-radius: 50%;

    color: var(--color-text-muted);
    background: transparent;
}

.article-author-box__links a svg {
    display: block;

    width: 1.05rem;
    height: 1.05rem;

    fill: currentColor;
}

.article-author-box__links a:hover {
    transform: translateY(-2px);

    color: var(--color-bg);
    background: var(--color-text);
    border-color: var(--color-text);
}

.article-final-cta a {
    border: 1px solid var(--color-border-strong);

    color: var(--color-text);
    background: transparent;
}

.article-final-cta a:hover {
    transform: translateY(-2px);

    color: var(--color-bg);
    background: var(--color-text);
    border-color: var(--color-text);
    opacity: 1;
}