/**
 * ## FH ARTICLE DISCOVERY — PREMIUM SCHOLARLY UI ##
 *
 * Scope:
 *   CSS only.
 *
 * PATCH NOTE:
 *   FH-ARTICLE-DISCOVERY-CLEAN-TAB-CSS-2026-09-19
 */

/* ============================================================
 * DISCOVERY CONTAINER
 * ============================================================ */

.fh-article-discovery {
    margin: 3.5rem 0 3rem;
}

.fh-article-discovery__heading {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.fh-article-discovery__heading h2 {
    margin: 0;
    font-size: clamp(1.55rem, 2vw, 1.9rem);
    font-weight: 700;
    line-height: 1.2;
    letter-spacing: -0.015em;
}

.fh-article-discovery__rule {
    width: 3.25rem;
    height: 3px;
    flex: 0 0 3.25rem;
    background: currentColor;
}


/* ============================================================
 * SCHOLARLY TAB NAVIGATION
 * ============================================================ */

.fh-article-discovery__tabs {
    display: flex;
    align-items: flex-end;
    gap: 0;

    width: 100%;
    margin: 0;
    padding: 0;

    border-bottom: 1px solid #d9dde3;

    overflow-x: auto;
    overflow-y: hidden;

    scrollbar-width: none;
}

.fh-article-discovery__tabs::-webkit-scrollbar {
    display: none;
}


/* ============================================================
 * TAB BUTTON RESET
 *
 * Override only the native/theme button presentation.
 * ============================================================ */

.fh-article-discovery__tab {
    position: relative;

    display: inline-flex !important;
    align-items: center;
    justify-content: center;

    flex: 0 0 auto;

    min-height: 46px;

    margin: 0 !important;
    padding: 11px 20px !important;

    appearance: none !important;
    -webkit-appearance: none !important;

    border: 0 !important;
    border-radius: 0 !important;

    border-bottom: 3px solid transparent !important;

    background: transparent !important;

    color: #667085 !important;

    box-shadow: none !important;

    font-family: inherit !important;
    font-size: 14px !important;
    font-weight: 600 !important;
    line-height: 1.35 !important;

    text-align: center;
    text-decoration: none;

    white-space: nowrap;

    cursor: pointer;

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


/* ============================================================
 * TAB HOVER
 * ============================================================ */

.fh-article-discovery__tab:hover {
    color: #1f2937 !important;
    background: #f7f8fa !important;
}


/* ============================================================
 * ACTIVE TAB
 * ============================================================ */

.fh-article-discovery__tab.is-active,
.fh-article-discovery__tab[aria-selected="true"] {
    color: #111827 !important;
    background: transparent !important;
    font-weight: 700 !important;
    border-bottom-color: #111827 !important;
}


/* ============================================================
 * FOCUS
 * ============================================================ */

.fh-article-discovery__tab:focus {
    outline: none !important;
}

.fh-article-discovery__tab:focus-visible {
    outline: 2px solid #6b7280 !important;
    outline-offset: -3px;
}


/* ============================================================
 * PANELS
 * ============================================================ */

.fh-article-discovery__panels {
    padding-top: 1.5rem;
}

.fh-article-discovery__panel.is-hidden {
    display: none;
}


/* ============================================================
 * ARTICLE GRID
 * ============================================================ */

.fh-article-discovery__list {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 0 2.25rem;

    margin: 0;
    padding: 0;

    list-style: none;
}


/* ============================================================
 * ARTICLE ITEM
 * ============================================================ */

.fh-article-discovery__item {
    min-width: 0;

    padding: 1.15rem 0 1.25rem;

    border-bottom: 1px solid #e3e3e3;
}

.fh-article-discovery__item:first-child,
.fh-article-discovery__item:nth-child(2),
.fh-article-discovery__item:nth-child(3),
.fh-article-discovery__item:nth-child(4) {
    padding-top: .25rem;
}


/* ============================================================
 * ARTICLE TITLE
 * ============================================================ */

.fh-article-discovery__title {
    margin: 0;

    font-size: 1rem;
    font-weight: 650;
    line-height: 1.45;

    text-wrap: pretty;
}

.fh-article-discovery__title a {
    color: inherit;
    text-decoration: none;
}

.fh-article-discovery__title a:hover {
    text-decoration: underline;
    text-underline-offset: .15em;
}

.fh-article-discovery__title a:focus-visible {
    outline: 2px solid currentColor;
    outline-offset: 3px;
    text-decoration: underline;
}


/* ============================================================
 * AUTHORS
 * ============================================================ */

.fh-article-discovery__authors {
    margin-top: .45rem;

    font-size: .84rem;
    line-height: 1.45;

    opacity: .72;
}


/* ============================================================
 * EMPTY / SOURCE INFORMATION
 * ============================================================ */

.fh-article-discovery__empty,
.fh-article-discovery__source {
    margin: 1rem 0 0;

    font-size: .84rem;
    line-height: 1.5;

    opacity: .72;
}


/* ============================================================
 * TABLET
 * ============================================================ */

@media (max-width: 1100px) {

    .fh-article-discovery__list {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 0 1.75rem;
    }

    .fh-article-discovery__item:nth-child(3),
    .fh-article-discovery__item:nth-child(4) {
        padding-top: 1.15rem;
    }
}


/* ============================================================
 * MOBILE
 * ============================================================ */

@media (max-width: 640px) {

    .fh-article-discovery {
        margin: 2.5rem 0 2rem;
    }

    .fh-article-discovery__heading {
        gap: .75rem;
        margin-bottom: 1rem;
    }

    .fh-article-discovery__heading h2 {
        font-size: 1.45rem;
    }

    .fh-article-discovery__rule {
        width: 2.5rem;
        flex-basis: 2.5rem;
    }

    .fh-article-discovery__tabs {
        margin-bottom: 0;
    }

    .fh-article-discovery__tab {
        min-height: 44px;

        padding: 10px 15px !important;

        font-size: 13px !important;
    }

    .fh-article-discovery__panels {
        padding-top: 1rem;
    }

    .fh-article-discovery__list {
        grid-template-columns: 1fr;
    }

    .fh-article-discovery__item,
    .fh-article-discovery__item:nth-child(n) {
        padding-top: 1rem;
    }
}


/* ============================================================
 * REDUCED MOTION
 * ============================================================ */

@media (prefers-reduced-motion: reduce) {

    .fh-article-discovery__tab {
        transition: none;
    }
}




/* ============================================================
 * MOBILE
 * ============================================================ */

@media (max-width: 640px) {

}


/**
 * PATCH NOTE:
 *   FH-ARTICLE-DISCOVERY-TAB-MICROCOPY-2026-09-19
 */



@media (max-width: 640px) {
}

/**
 * PATCH NOTE:
 *   FH-ARTICLE-DISCOVERY-TAB-MICROCOPY-CORRECT-TEMPLATE-2026-09-19
 */

/* ============================================================
 * FH ARTICLE DISCOVERY — TAB MICROCOPY
 * ============================================================ */

.fh-article-discovery__description {
    margin: 0 0 1.35rem;
    max-width: 72rem;
    color: #667085;
    font-size: .82rem;
    font-weight: 400;
    line-height: 1.55;
    letter-spacing: 0;
    text-wrap: pretty;
}

@media (max-width: 640px) {
    .fh-article-discovery__description {
        margin-bottom: 1rem;
        font-size: .78rem;
    }
}

/**
 * PATCH NOTE:
 *   FH-ARTICLE-DISCOVERY-CSS-MICROCOPY-NORMALIZE-2026-09-19
 */