.challenges-page-module__vAeFRq__page{min-height:100%;color:var(--rd-text-primary);position:relative}.challenges-page-module__vAeFRq__headerSection{padding:2rem 0 1rem}.challenges-page-module__vAeFRq__headerContent{background:var(--rd-bg-glass);border:1px solid var(--rd-border-subtle);box-shadow:0 10px 40px var(--rd-shadow-soft);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border-radius:14px;flex-direction:column;gap:.6rem;padding:1.5rem;display:flex}.challenges-page-module__vAeFRq__title{letter-spacing:-.02em;align-items:center;gap:.5rem;display:inline-flex}.challenges-page-module__vAeFRq__description{color:var(--rd-text-secondary);max-width:720px}.challenges-page-module__vAeFRq__content{padding-bottom:3rem}
.filter-bar-module__jvVCiG__filterBar{background:var(--rd-bg-glass-dense);border:1px solid var(--rd-border-subtle);border-radius:var(--rd-radius-md);transition:border-color var(--rd-duration-normal) var(--rd-ease-default);padding:.75rem 1rem}.filter-bar-module__jvVCiG__filterBarFetching{border-color:var(--rd-amber-tint)}.filter-bar-module__jvVCiG__filterBarInner{flex-direction:column;gap:.6rem;display:flex}.filter-bar-module__jvVCiG__chipGroup{flex-wrap:wrap;align-items:center;gap:.4rem;display:flex}.filter-bar-module__jvVCiG__groupLabel{text-transform:uppercase;letter-spacing:.08em;-webkit-user-select:none;user-select:none;min-width:5rem;margin-right:.4rem;font-size:.7rem;font-weight:700}.filter-bar-module__jvVCiG__groupLabelGreen{color:var(--rd-green)}.filter-bar-module__jvVCiG__groupLabelBlue{color:var(--rd-blue)}.filter-bar-module__jvVCiG__groupLabelAmber{color:var(--rd-amber)}.filter-bar-module__jvVCiG__chip{background:var(--rd-bg-glass);border:1px solid var(--rd-border-dim);color:var(--rd-text-secondary);font-family:var(--rd-font-body);cursor:pointer;transition:border-color var(--rd-duration-fast) var(--rd-ease-default), color var(--rd-duration-fast) var(--rd-ease-default), background var(--rd-duration-fast) var(--rd-ease-default);border-radius:100px;align-items:center;gap:.3rem;padding:.3rem .75rem;font-size:.82rem;font-weight:500;display:inline-flex;position:relative}.filter-bar-module__jvVCiG__chip:hover{border-color:var(--rd-border-medium);color:var(--rd-text-primary)}.filter-bar-module__jvVCiG__chip:disabled{opacity:.5;cursor:not-allowed}.filter-bar-module__jvVCiG__chip[data-color=green][data-active=true]{background:var(--rd-green-tint-soft);border-color:var(--rd-green);color:var(--rd-green)}.filter-bar-module__jvVCiG__chip[data-color=blue][data-active=true]{background:var(--rd-blue-tint-soft);border-color:var(--rd-blue);color:var(--rd-blue)}.filter-bar-module__jvVCiG__chip[data-color=amber][data-active=true]{background:var(--rd-amber-tint-soft);border-color:var(--rd-amber);color:var(--rd-amber)}.filter-bar-module__jvVCiG__chipCheck{justify-content:center;align-items:center;display:inline-flex}.filter-bar-module__jvVCiG__chip[data-color=green] .filter-bar-module__jvVCiG__chipCheck{color:var(--rd-green)}.filter-bar-module__jvVCiG__chip[data-color=blue] .filter-bar-module__jvVCiG__chipCheck{color:var(--rd-blue)}.filter-bar-module__jvVCiG__chip[data-color=amber] .filter-bar-module__jvVCiG__chipCheck{color:var(--rd-amber)}.filter-bar-module__jvVCiG__chipLabel{white-space:nowrap}.filter-bar-module__jvVCiG__chip[data-difficulty=beginner]:after,.filter-bar-module__jvVCiG__chip[data-difficulty=intermediate]:after,.filter-bar-module__jvVCiG__chip[data-difficulty=advanced]:after{content:"";border-radius:inherit;opacity:0;pointer-events:none;border:1px solid #0000;position:absolute;inset:-1px}.filter-bar-module__jvVCiG__chip[data-difficulty=beginner]:after{border-color:var(--rd-green)}.filter-bar-module__jvVCiG__chip[data-difficulty=intermediate]:after{border-color:var(--rd-gold)}.filter-bar-module__jvVCiG__chip[data-difficulty=advanced]:after{border-color:var(--rd-red)}.filter-bar-module__jvVCiG__chip[data-difficulty]:hover:after{animation:1.4s ease-in-out infinite filter-bar-module__jvVCiG__pulseAccentChip}@keyframes filter-bar-module__jvVCiG__pulseAccentChip{0%,to{opacity:0}50%{opacity:.7}}.filter-bar-module__jvVCiG__footerRow{border-top:1px solid var(--rd-border-faint);justify-content:flex-end;align-items:center;padding-top:.25rem;display:flex}.filter-bar-module__jvVCiG__activeBadge{align-items:center;gap:.5rem;display:inline-flex}.filter-bar-module__jvVCiG__activeBadgeCount{color:var(--rd-text-muted);font-size:.8rem}.filter-bar-module__jvVCiG__clearAllBtn{color:var(--rd-amber);cursor:pointer;border-radius:var(--rd-radius-xs);transition:background var(--rd-duration-fast) var(--rd-ease-default);background:0 0;border:none;padding:.2rem .4rem;font-size:.8rem;font-weight:500}.filter-bar-module__jvVCiG__clearAllBtn:hover{background:var(--rd-amber-tint)}@media (prefers-reduced-motion:reduce){.filter-bar-module__jvVCiG__chip[data-difficulty]:hover:after{animation:none}}@media (max-width:960px){.filter-bar-module__jvVCiG__groupLabel{min-width:auto}}
.challenge-card-module__J6QkdG__card{background:var(--rd-bg-glass);border:1px solid var(--rd-border-subtle);height:100%;min-height:260px;box-shadow:0 12px 36px var(--rd-shadow-medium);transition:border-color var(--rd-duration-normal) var(--rd-ease-default), transform var(--rd-duration-normal) var(--rd-ease-default), box-shadow var(--rd-duration-normal) var(--rd-ease-default);border-radius:14px;flex-direction:column;display:flex;position:relative;overflow:hidden}.challenge-card-module__J6QkdG__card:hover{border-color:var(--rd-border-medium);box-shadow:0 16px 50px var(--rd-shadow-strong);transform:translateY(-2px)}.challenge-card-module__J6QkdG__header{justify-content:space-between;align-items:flex-start;gap:.75rem;display:flex}.challenge-card-module__J6QkdG__title{letter-spacing:-.01em;color:var(--rd-text-primary);line-height:1.2;position:relative}.challenge-card-module__J6QkdG__description{color:var(--rd-text-secondary)}.challenge-card-module__J6QkdG__footer{justify-content:space-between;align-items:center;gap:.75rem;margin-top:auto;display:flex}.challenge-card-module__J6QkdG__cta{background:var(--rd-gradient-amber);color:var(--rd-bg-darkest);box-shadow:0 2px 16px var(--rd-amber-tint-strong);transition:box-shadow var(--rd-duration-normal) var(--rd-ease-default), transform var(--rd-duration-fast) var(--rd-ease-default);border:none;font-weight:600}.challenge-card-module__J6QkdG__cta:hover{box-shadow:0 6px 28px var(--rd-amber-tint-bold);transform:translateY(-1px)}.challenge-card-module__J6QkdG__badgeRow{flex-wrap:wrap;gap:.4rem;display:flex}.challenge-card-module__J6QkdG__difficultyAccent{z-index:1;border-radius:14px 14px 0 0;height:3px;position:absolute;top:0;left:0;right:0}.challenge-card-module__J6QkdG__difficultyAccentBeginner{background:var(--rd-green)}.challenge-card-module__J6QkdG__difficultyAccentIntermediate{background:var(--rd-gold)}.challenge-card-module__J6QkdG__difficultyAccentAdvanced{background:var(--rd-red)}.challenge-card-module__J6QkdG__card:hover .challenge-card-module__J6QkdG__difficultyAccent:after{content:"";border-radius:inherit;background:inherit;animation:1.4s ease-in-out infinite challenge-card-module__J6QkdG__pulseAccent;position:absolute;inset:0}@keyframes challenge-card-module__J6QkdG__pulseAccent{0%,to{opacity:.6}50%{opacity:1}}.challenge-card-module__J6QkdG__cardFetching{animation:1.2s ease-in-out infinite challenge-card-module__J6QkdG__pulseOutline}@keyframes challenge-card-module__J6QkdG__pulseOutline{0%,to{border-color:var(--rd-border-subtle)}50%{border-color:var(--rd-amber-tint-soft)}}.challenge-card-module__J6QkdG__skeletonCard{background:var(--rd-bg-glass);border:1px solid var(--rd-border-subtle);border-radius:14px;min-height:260px;position:relative;overflow:hidden}.challenge-card-module__J6QkdG__skeletonAccent{background:var(--rd-amber-tint);height:3px}.challenge-card-module__J6QkdG__skeletonContent{flex-direction:column;height:calc(100% - 3px);padding:1rem;display:flex}.challenge-card-module__J6QkdG__skeletonShimmer{border-radius:var(--rd-radius-xs);background:linear-gradient(90deg, var(--rd-bg-glass) 25%, var(--rd-amber-tint) 50%, var(--rd-bg-glass) 75%);animation:1.8s linear infinite challenge-card-module__J6QkdG__amberShimmer;animation-delay:var(--skeleton-stagger,0s);background-size:200%}@keyframes challenge-card-module__J6QkdG__amberShimmer{0%{background-position:-200%}to{background-position:200%}}@media (prefers-reduced-motion:reduce){.challenge-card-module__J6QkdG__card:hover .challenge-card-module__J6QkdG__difficultyAccent:after,.challenge-card-module__J6QkdG__cardFetching,.challenge-card-module__J6QkdG__skeletonShimmer{animation:none}}
.challenge-grid-module__M_Jgwq__grid{grid-template-columns:repeat(1,1fr);gap:1.5rem;display:grid}@media (min-width:1024px){.challenge-grid-module__M_Jgwq__grid{grid-template-columns:repeat(2,1fr)}}.challenge-grid-module__M_Jgwq__gridCell{width:100%}
.challenge-search-section-module__cXbXWG__section{background:var(--rd-bg-glass-dense);border:1px solid var(--rd-border-subtle);box-shadow:0 10px 30px var(--rd-shadow-soft);transition:box-shadow var(--rd-duration-normal) var(--rd-ease-default), border-color var(--rd-duration-normal) var(--rd-ease-default);border-radius:14px;padding:1rem}.challenge-search-section-module__cXbXWG__searchRow{align-items:center;gap:.75rem;display:flex}.challenge-search-section-module__cXbXWG__searchFocused{box-shadow:0 0 0 2px var(--rd-amber-tint-medium), 0 4px 20px var(--rd-amber-glow);border-color:var(--rd-amber-muted)}
.editorTabs-module__z_AC2W__tab{color:var(--rd-text-muted);transition:all var(--rd-duration-fast) ease;white-space:nowrap;border-bottom:2px solid #0000;border-right:none;font-size:.75rem}.editorTabs-module__z_AC2W__tab:hover{background-color:var(--rd-white-hover,#ffffff05);color:var(--rd-text-secondary)}.editorTabs-module__z_AC2W__tab[data-active]{background-color:var(--rd-bg-darkest);color:var(--rd-text-primary);border-bottom-color:var(--rd-amber);box-shadow:none}.editorTabs-module__z_AC2W__tab:hover .tab-close-btn{opacity:1!important}
.FileTreeSidebar-module__l6CjXG__sidebar{border-right:1px solid var(--rd-border-medium);background:var(--rd-bg-dark);width:160px;height:100%;min-height:0}