.challenge-hero[data-astro-cid-k2hzpuxw]{background:var(--color-canvas-soft);border-bottom:1px solid var(--color-hairline)}.breadcrumb[data-astro-cid-k2hzpuxw]{align-items:center;gap:var(--spacing-xs);margin-bottom:var(--spacing-lg);display:flex}.breadcrumb-link[data-astro-cid-k2hzpuxw]{font-size:var(--font-size-body-sm);color:var(--color-body);text-decoration:none}.breadcrumb-link[data-astro-cid-k2hzpuxw]:hover{color:var(--color-accent)}.breadcrumb-sep[data-astro-cid-k2hzpuxw]{font-size:var(--font-size-body-sm);color:var(--color-muted)}.breadcrumb-current[data-astro-cid-k2hzpuxw]{font-size:var(--font-size-body-sm);color:var(--color-ink)}.challenge-hero-header[data-astro-cid-k2hzpuxw]{justify-content:space-between;align-items:flex-start;gap:var(--spacing-md);flex-wrap:wrap;display:flex}.page-title[data-astro-cid-k2hzpuxw]{font-size:clamp(1.75rem, 4vw, var(--font-size-display-lg));color:var(--color-ink);margin-bottom:var(--spacing-xs);font-weight:600}.page-body[data-astro-cid-k2hzpuxw]{font-size:var(--font-size-body-lg);color:var(--color-body);max-width:560px}.streak-badge-card[data-astro-cid-k2hzpuxw]{align-items:center;gap:var(--spacing-md);padding:var(--spacing-md) var(--spacing-lg);background:var(--color-canvas-card);border:1px solid var(--color-hairline);border-radius:var(--radius-xl);box-shadow:var(--shadow-card);display:flex}.streak-fire[data-astro-cid-k2hzpuxw]{font-size:32px}.streak-info[data-astro-cid-k2hzpuxw]{flex-direction:column;display:flex}.streak-number[data-astro-cid-k2hzpuxw]{font-size:var(--font-size-display-md);color:var(--color-ink);font-weight:700;font-family:var(--font-mono);line-height:1}.streak-label[data-astro-cid-k2hzpuxw]{font-size:var(--font-size-caption);color:var(--color-muted)}.challenge-layout[data-astro-cid-k2hzpuxw]{grid-template-columns:1fr;align-items:start;gap:clamp(24px,4vw,32px);display:grid}@media (width>=880px){.challenge-layout[data-astro-cid-k2hzpuxw]{grid-template-columns:minmax(0,1fr) 280px}}.challenge-main[data-astro-cid-k2hzpuxw]{gap:var(--spacing-xl);flex-direction:column;display:flex}.challenge-card-header[data-astro-cid-k2hzpuxw]{justify-content:space-between;align-items:center;display:flex}.challenge-body[data-astro-cid-k2hzpuxw]{gap:var(--spacing-xs);flex-direction:column;display:flex}.challenge-theme-title[data-astro-cid-k2hzpuxw]{color:var(--color-ink);font-size:clamp(1.4rem,3vw,2rem);font-weight:600;line-height:1.25}.challenge-focus-text[data-astro-cid-k2hzpuxw]{font-size:var(--font-size-body-lg);color:var(--color-accent);font-weight:500}.challenge-advice-text[data-astro-cid-k2hzpuxw]{font-size:var(--font-size-body-md);color:var(--color-body);line-height:1.6}.challenge-ref-box[data-astro-cid-k2hzpuxw]{gap:var(--spacing-md);background:var(--color-canvas-soft);border:1px solid var(--color-hairline);border-radius:var(--radius-lg);padding:var(--spacing-md);align-items:center;display:flex}.challenge-ref-img-wrap[data-astro-cid-k2hzpuxw]{border-radius:var(--radius-md);border:1px solid var(--color-hairline);flex-shrink:0;width:100px;height:100px;overflow:hidden}.challenge-ref-img[data-astro-cid-k2hzpuxw]{object-fit:cover;width:100%;height:100%}.challenge-ref-info[data-astro-cid-k2hzpuxw]{flex-direction:column;gap:2px;display:flex}.challenge-ref-title[data-astro-cid-k2hzpuxw]{font-size:var(--font-size-body-md);color:var(--color-ink);font-weight:600}.challenge-action-bar[data-astro-cid-k2hzpuxw]{gap:var(--spacing-sm);flex-wrap:wrap;align-items:center;display:flex}.archive-card[data-astro-cid-k2hzpuxw]{gap:var(--spacing-md);flex-direction:column;display:flex}.archive-title[data-astro-cid-k2hzpuxw]{font-size:var(--font-size-body-md);color:var(--color-ink);font-weight:600}.archive-list[data-astro-cid-k2hzpuxw]{gap:var(--spacing-sm);flex-direction:column;display:flex}.archive-item[data-astro-cid-k2hzpuxw]{padding-bottom:var(--spacing-xs);border-bottom:1px solid var(--color-hairline);flex-direction:column;gap:2px;display:flex}.archive-date[data-astro-cid-k2hzpuxw]{font-size:var(--font-size-caption);color:var(--color-muted);font-family:var(--font-mono)}.archive-title-text[data-astro-cid-k2hzpuxw]{font-size:var(--font-size-body-sm);color:var(--color-body);font-weight:500}