.challenge-index[data-astro-cid-c2b6kics]{--glow: rgba(91, 140, 90, .3);--glass-bd: rgba(91, 140, 90, .2);--corner-sz: 14px;--corner-w: 1.5px}.challenge-index[data-astro-cid-c2b6kics]{position:relative;padding-top:6rem;min-height:100vh;background:var(--color-surface);color:var(--color-ink);overflow:hidden}.challenge-bg[data-astro-cid-c2b6kics]{position:absolute;inset:0;pointer-events:none}.challenge-bg-grid[data-astro-cid-c2b6kics]{position:absolute;inset:0;background-image:radial-gradient(circle,rgba(91,140,90,.1) 1px,transparent 1px);background-size:32px 32px}.challenge-bg-glow[data-astro-cid-c2b6kics]{position:absolute;top:20%;right:10%;width:500px;height:400px;background:radial-gradient(ellipse,rgba(212,137,155,.06) 0%,transparent 65%)}.challenge-container[data-astro-cid-c2b6kics]{position:relative;max-width:1080px;margin:0 auto;padding:var(--sp-16) var(--sp-8)}.challenge-grid[data-astro-cid-c2b6kics]{display:grid;grid-template-columns:minmax(0,1fr) 240px;gap:var(--sp-12);align-items:start}.challenge-main[data-astro-cid-c2b6kics]{min-width:0}@media(max-width:900px){.challenge-grid[data-astro-cid-c2b6kics]{grid-template-columns:1fr;gap:var(--sp-8)}}.challenge-header[data-astro-cid-c2b6kics]{margin-bottom:var(--sp-16)}.challenge-header[data-astro-cid-c2b6kics] h1[data-astro-cid-c2b6kics]{font-size:clamp(2.4rem,4vw + .5rem,3.6rem);color:var(--color-ink);margin-bottom:var(--sp-4)}.challenge-rule[data-astro-cid-c2b6kics]{margin-bottom:var(--sp-6)}.subtitle[data-astro-cid-c2b6kics]{font-size:1.0625rem;color:var(--color-ink-soft);max-width:52ch;line-height:1.75}.empty[data-astro-cid-c2b6kics]{color:var(--color-ink-soft);font-style:italic}.post-list[data-astro-cid-c2b6kics]{list-style:none;display:flex;flex-direction:column}.post-item[data-astro-cid-c2b6kics]{padding:var(--sp-8) 0;border-bottom:1px solid rgba(91,140,90,.15)}.post-list[data-astro-cid-c2b6kics] li[data-astro-cid-c2b6kics]:first-child{border-top:1px solid rgba(91,140,90,.15)}.post-link[data-astro-cid-c2b6kics]{position:relative;display:block;transition:background .3s var(--ease-spring)}.filter-banner[data-astro-cid-c2b6kics]{display:flex;align-items:center;flex-wrap:wrap;gap:var(--sp-3);padding:var(--sp-3) var(--sp-4);margin-bottom:var(--sp-6);background:#d4899b1a;border:1px solid rgba(212,137,155,.35);color:var(--color-ink);font-size:.8125rem;letter-spacing:.04em}.filter-banner-label[data-astro-cid-c2b6kics]{font-weight:700;text-transform:uppercase;letter-spacing:.08em;color:var(--color-ink-soft)}.filter-clear[data-astro-cid-c2b6kics]{color:var(--color-ink-soft);font-size:.75rem;text-transform:uppercase;letter-spacing:.08em;border-left:1px solid rgba(212,137,155,.4);padding-left:var(--sp-3);transition:color .2s var(--ease-out)}.filter-clear[data-astro-cid-c2b6kics]:hover{color:var(--color-pink)}.filter-empty[data-astro-cid-c2b6kics]{color:var(--color-ink-soft);font-style:italic;padding:var(--sp-8) 0}[data-astro-cid-c2b6kics][data-post-item][hidden],.filter-banner[data-astro-cid-c2b6kics][hidden],.filter-empty[data-astro-cid-c2b6kics][hidden]{display:none}.corner[data-astro-cid-c2b6kics]{position:absolute;width:var(--corner-sz);height:var(--corner-sz);opacity:0;transition:opacity .3s var(--ease-spring)}.post-link[data-astro-cid-c2b6kics]:hover{background:#5b8c5a0a}.post-link[data-astro-cid-c2b6kics]:hover .corner[data-astro-cid-c2b6kics]{opacity:1}.corner--tl[data-astro-cid-c2b6kics]{top:4px;left:-2px;border-top:var(--corner-w) solid var(--color-pink);border-left:var(--corner-w) solid var(--color-pink)}.corner--br[data-astro-cid-c2b6kics]{bottom:4px;right:-2px;border-bottom:var(--corner-w) solid var(--color-pink);border-right:var(--corner-w) solid var(--color-pink)}.post-meta[data-astro-cid-c2b6kics]{display:flex;align-items:center;gap:var(--sp-4);margin-bottom:var(--sp-3);flex-wrap:wrap}.post-meta[data-astro-cid-c2b6kics] time[data-astro-cid-c2b6kics]{font-size:.8125rem;color:var(--color-ink-soft);letter-spacing:.04em}.tag-list[data-astro-cid-c2b6kics]{list-style:none;display:flex;gap:var(--sp-2);flex-wrap:wrap}.post-link[data-astro-cid-c2b6kics] h2[data-astro-cid-c2b6kics]{font-size:clamp(1.2rem,2vw + .5rem,1.6rem);margin-bottom:var(--sp-2);color:var(--color-ink);transition:color .25s var(--ease-spring),text-decoration .25s}.post-link[data-astro-cid-c2b6kics]:hover h2[data-astro-cid-c2b6kics]{color:var(--color-pink);text-decoration:underline;text-underline-offset:4px}.post-link[data-astro-cid-c2b6kics] p[data-astro-cid-c2b6kics]{font-size:.9375rem;color:var(--color-ink-soft);line-height:1.7;max-width:60ch;margin-bottom:var(--sp-3)}.read-more[data-astro-cid-c2b6kics]{display:inline-flex;align-items:center;gap:var(--sp-2);font-size:.75rem;font-weight:600;letter-spacing:.1em;text-transform:uppercase;color:var(--color-accent);opacity:0;transform:translate(-4px);transition:opacity .3s var(--ease-spring),transform .3s var(--ease-spring)}.post-link[data-astro-cid-c2b6kics]:hover .read-more[data-astro-cid-c2b6kics]{opacity:1;transform:translate(0)}.read-more[data-astro-cid-c2b6kics] svg[data-astro-cid-c2b6kics]{transition:transform .3s var(--ease-spring);flex-shrink:0}.post-link[data-astro-cid-c2b6kics]:hover .read-more[data-astro-cid-c2b6kics] svg[data-astro-cid-c2b6kics]{transform:translate(3px)}@media(hover:none){.read-more[data-astro-cid-c2b6kics]{opacity:1;transform:none}}@media(max-width:640px){.challenge-container[data-astro-cid-c2b6kics]{padding:var(--sp-8) var(--sp-4)}}