@keyframes skeleton-shimmer{0%{opacity:1}50%{opacity:.4}to{opacity:1}}.challenge-card-skeleton__block{background:var(--bg-2);border-radius:var(--radius-sm);animation:1.6s ease-in-out infinite skeleton-shimmer}.challenge-card-skeleton{padding:var(--spacing-lg) 0;list-style:none}@media (max-width:767px){.challenge-card-skeleton{padding:var(--spacing-md) 0}}.challenge-card-skeleton__block{display:block}.challenge-card-skeleton__inner{gap:var(--spacing-xl);align-items:flex-start;display:flex}.challenge-card-skeleton__cover{width:var(--size-cover-width);height:var(--size-cover-max-height);border-radius:var(--radius-sm);flex-shrink:0}.challenge-card-skeleton__main{gap:var(--spacing-sm);flex-direction:column;flex:1;min-width:0;display:flex}.challenge-card-skeleton__overline{width:140px;height:10px}.challenge-card-skeleton__title{width:70%;height:18px}.challenge-card-skeleton__author-row{gap:var(--spacing-sm);align-items:center;display:flex}.challenge-card-skeleton__avatar{border-radius:var(--radius-full);width:24px;height:24px}.challenge-card-skeleton__author{width:100px;height:12px}.challenge-card-skeleton__line{width:100%;height:12px}.challenge-card-skeleton__line--short{width:65%}.challenge-card-skeleton__tags{gap:var(--spacing-xs);flex-wrap:wrap;display:flex}.challenge-card-skeleton__tag{border-radius:var(--radius-full);width:60px;height:20px}.challenge-card-skeleton__metrics{gap:var(--spacing-md);flex-wrap:wrap;display:flex}.challenge-card-skeleton__metric{width:56px;height:12px}