/* ==========================================================================
   Challenge Detail
   Popular Challenges & Academic Challenges — single-challenge pages.
   Figure, citation, and reference visuals are handled by figures.css,
   inline-citation.css, journal-body.css, and journal-footer.css.
   ========================================================================== */

/* -------------------------------------------------------------------------
   Page Root
   ------------------------------------------------------------------------- */

.challenge-detail {
    max-width: var(--measure-reading);
    margin-left: auto;
    margin-right: auto;
    padding: var(--space-xl) var(--space-md);
}

/* -------------------------------------------------------------------------
   Title & Category Badge
   ------------------------------------------------------------------------- */

#challenge-title {
    font-family: var(--font-heading);
    font-size: var(--text-h1);
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--space-sm);
}

#challenge-category {
    margin-bottom: var(--space-lg);
}

/* -------------------------------------------------------------------------
   Body
   ------------------------------------------------------------------------- */

.challenge-detail-body {
    font-size: var(--text-body);
    line-height: var(--leading-long);
    color: var(--text-primary);
    margin-bottom: var(--space-xl);
}

.challenge-detail-body p {
    margin-bottom: var(--space-md);
}

/* -------------------------------------------------------------------------
   Responses
   ------------------------------------------------------------------------- */

.challenge-responses {
    margin-top: var(--space-2xl);
    padding-top: var(--space-lg);
    border-top: 1px solid var(--border);
}

.challenge-responses h2 {
    font-family: var(--font-heading);
    font-size: var(--text-h2);
    color: var(--text-primary);
    margin-bottom: var(--space-md);
}

.response-card {
    padding: var(--space-md) 0;
    border-bottom: 1px solid var(--border);
}

.response-card-title {
    display: block;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--space-xs);
}

.response-card-meta {
    font-size: var(--text-small);
    color: var(--text-secondary);
}

/* -------------------------------------------------------------------------
   Mobile (CSS-3: breakpoints live with the component they affect)
   ------------------------------------------------------------------------- */

@media (max-width: 600px) {
    .challenge-detail {
        padding: var(--space-lg) var(--space-md);
    }

    #challenge-title {
        font-size: var(--text-h2);
    }
}