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.personal-goal-content .goal-progress .progress-values .progress-initial{color:var(--text-secondary)}.challenge-detail__personal-goal .personal-goal-content .goal-progress .progress-bar{width:100%;height:12px;background:var(--input-background);border-radius:9999px;overflow:hidden;position:relative}.challenge-detail__personal-goal .personal-goal-content .goal-progress .progress-bar .progress-fill{height:100%;background:var(--gradient-primary);border-radius:9999px;transition:width .5s ease}.challenge-detail__personal-goal .personal-goal-content .goal-progress .progress-bar .progress-fill.close{background:linear-gradient(90deg,var(--color-warning),var(--color-warning-hover));animation:pulse 2s ease-in-out infinite}.challenge-detail__personal-goal .personal-goal-content .goal-progress .progress-bar .progress-fill.achieved{background:linear-gradient(90deg,var(--color-success),var(--color-success-hover))}.challenge-detail__personal-goal .personal-goal-content .goal-progress .progress-stats{display:flex;justify-content:space-between;align-items:center;font-size:.875rem}.challenge-detail__personal-goal .personal-goal-content .goal-progress .progress-stats .progress-percentage{font-weight:700;color:var(--text-primary)}.challenge-detail__personal-goal .personal-goal-content .goal-progress .progress-stats .progress-remaining{color:var(--text-secondary)}.challenge-detail__personal-goal .personal-goal-content .goal-progress .progress-stats .progress-remaining.close{color:var(--color-warning);font-weight:600;animation:pulse-text 2s ease-in-out infinite}.challenge-detail__personal-goal .personal-goal-content .goal-progress .progress-stats .progress-achieved{color:var(--color-success);font-weight:700;font-size:1rem}.challenge-detail__goal-action{padding:1rem 1.5rem;background:var(--card-background);border-bottom:1px solid var(--border);display:flex;justify-content:center}.challenge-detail__goal-action .btn-set-goal{padding:.75rem 1.25rem;background:linear-gradient(135deg,var(--color-secondary),var(--color-secondary-hover));color:#fff;border:none;border-radius:.5rem;font-size:1rem;font-weight:600;cursor:pointer;display:flex;align-items:center;gap:.5rem;transition:all .2s}.challenge-detail__goal-action .btn-set-goal:hover{transform:translateY(-1px);box-shadow:0 4px 12px rgba(var(--color-secondary),.3)}.challenge-detail__goal-action .btn-set-goal:active{transform:translateY(0)}.challenge-detail__join-section{padding:1.5rem;background:var(--card-background);border-bottom:1px solid var(--border);display:flex;flex-direction:column;align-items:center;gap:1rem}.challenge-detail__join-section .join-message{display:flex;align-items:center;gap:.75rem;color:var(--text-secondary)}.challenge-detail__join-section .join-message svg{color:var(--color-primary)}.challenge-detail__join-section .join-message p{font-size:1rem;font-weight:500}.challenge-detail__join-section .btn-join-challenge{padding:1rem 1.5rem;background:var(--gradient-primary);color:#fff;border:none;border-radius:.5rem;font-size:1.125rem;font-weight:600;cursor:pointer;display:flex;align-items:center;gap:.5rem;transition:all .2s;min-width:250px;justify-content:center}.challenge-detail__join-section .btn-join-challenge:hover:not(:disabled){transform:translateY(-2px);box-shadow:0 6px 20px rgba(var(--color-primary),.4)}.challenge-detail__join-section .btn-join-challenge:active:not(:disabled){transform:translateY(0)}.challenge-detail__join-section .btn-join-challenge:disabled{opacity:.7;cursor:not-allowed}.challenge-detail__actions-row{padding:1rem 1.5rem;background:var(--card-background);border-bottom:1px solid var(--border);display:flex;gap:.75rem;justify-content:center}.challenge-detail__actions-row button{padding:.75rem 1.25rem;border:none;border-radius:.5rem;font-size:1rem;font-weight:600;cursor:pointer;display:flex;align-items:center;gap:.5rem;transition:all .2s}.challenge-detail__actions-row button:hover{transform:translateY(-1px)}.challenge-detail__actions-row button:active{transform:translateY(0)}.challenge-detail__actions-row .btn-set-goal{background:linear-gradient(135deg,var(--color-secondary),var(--color-secondary-hover));color:#fff;flex:1}.challenge-detail__actions-row .btn-set-goal:hover{box-shadow:0 4px 12px rgba(var(--color-secondary),.3)}.challenge-detail__actions-row .btn-share-link{background:linear-gradient(135deg,var(--color-success),var(--color-success-hover));color:#fff;flex:1}.challenge-detail__actions-row .btn-share-link:hover{box-shadow:0 4px 12px rgba(var(--color-success),.3)}.challenge-detail__stats{display:grid;grid-template-columns:repeat(3,1fr);gap:.75rem;padding:1rem;background:var(--card-background);border-bottom:1px solid var(--border)}.challenge-detail__stats .stat-card{display:flex;flex-direction:column;align-items:center;gap:.5rem;padding:.75rem .5rem;background:var(--input-background);border:1px solid 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.rank-number{font-size:1.25rem;font-weight:700;color:var(--text-secondary)}.leaderboard-item .user-info{flex:1;display:flex;align-items:center;gap:1rem;min-width:0}.leaderboard-item .user-info .user-avatar{width:52px;height:52px;border-radius:50%;-o-object-fit:cover;object-fit:cover;flex-shrink:0;border:2px solid var(--border)}.leaderboard-item .user-info .user-avatar-placeholder{width:52px;height:52px;border-radius:50%;background:var(--input-background);display:flex;align-items:center;justify-content:center;color:var(--text-light);flex-shrink:0;border:2px solid var(--border)}.leaderboard-item .user-info .user-details{display:flex;flex-direction:column;gap:.25rem;min-width:0}.leaderboard-item .user-info .user-details .user-name{font-size:1.125rem;font-weight:600;color:var(--text-primary);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.leaderboard-item .user-info .user-details .user-posts{font-size:.875rem;color:var(--text-secondary)}.leaderboard-item .user-score{display:flex;align-items:center;gap:.5rem;font-size:1.25rem;font-weight:700;color:var(--color-primary);flex-shrink:0;padding:.5rem 1rem;background:rgba(var(--color-primary),.08);border-radius:.5rem}.leaderboard-item .user-score svg{color:var(--color-primary)}.feed{display:flex;flex-direction:column;gap:1.25rem}.feed-item{background:var(--card-background);border:1px solid var(--border);border-radius:.75rem;overflow:hidden;transition:all .3s}.feed-item:hover{border-color:rgba(var(--color-primary),.2);box-shadow:0 2px 12px rgba(var(--color-primary),.1)}.feed-item__header{display:flex;align-items:center;justify-content:space-between;padding:1.25rem}.feed-item__header .user-info{display:flex;align-items:center;gap:.75rem}.feed-item__header .user-info .user-avatar{width:44px;height:44px;border-radius:50%;-o-object-fit:cover;object-fit:cover;border:2px solid var(--border)}.feed-item__header .user-info .user-avatar-placeholder{width:44px;height:44px;border-radius:50%;background:var(--input-background);display:flex;align-items:center;justify-content:center;color:var(--text-light);border:2px solid var(--border)}.feed-item__header .user-info .user-details{display:flex;flex-direction:column;gap:.25rem}.feed-item__header .user-info .user-details .user-name{font-size:1rem;font-weight:600;color:var(--text-primary)}.feed-item__header .user-info .user-details .post-date{font-size:.875rem;color:var(--text-secondary);display:flex;align-items:center;gap:.25rem}.feed-item__header .post-points{display:flex;align-items:center;gap:.5rem;padding:.5rem 1rem;background:rgba(var(--color-primary),.1);border-radius:9999px;font-size:1rem;font-weight:600;color:var(--color-primary)}.feed-item__header .post-points svg{color:var(--color-primary)}.feed-item__image{width:100%;aspect-ratio:16/9;overflow:hidden}.feed-item__image img{width:100%;height:100%;-o-object-fit:cover;object-fit:cover}.feed-item__content{padding:1.25rem}.feed-item__content h4{font-size:1.125rem;font-weight:600;color:var(--text-primary);margin-bottom:1rem}.feed-item__meta{display:flex;gap:.75rem;align-items:center}.feed-item__meta .activity-type{padding:.5rem .75rem;background:rgba(var(--color-secondary),.1);color:var(--color-secondary);border-radius:9999px;font-size:.875rem;font-weight:600;text-transform:uppercase}.feed-item__meta .duration{display:flex;align-items:center;gap:.5rem;font-size:.875rem;color:var(--text-secondary);font-weight:500}@media (max-width: 768px){.challenge-detail__header{padding:.75rem 1rem}.challenge-detail__header .header-icon{width:48px;height:48px}.challenge-detail__header .header-info h1{font-size:1.25rem}.challenge-detail__header .back-btn{width:40px;height:40px}.challenge-detail__stats{grid-template-columns:1fr;gap:.75rem;padding:1rem}.challenge-detail__tabs{top:73px}.challenge-detail__tabs .tab-btn{font-size:.875rem;padding:.75rem}.challenge-detail__content{padding:1rem}.challenge-detail__fab{right:1rem;bottom:90px}.challenge-detail__fab .fab-button{width:56px;height:56px}.challenge-detail__join-section{padding:1rem}.challenge-detail__join-section .btn-join-challenge{min-width:200px;font-size:1rem;padding:.75rem 1rem}.challenge-detail__actions-row{flex-direction:column;padding:1rem}.challenge-detail__actions-row button{width:100%}.leaderboard-item{padding:1rem}.leaderboard-item .user-info .user-avatar,.leaderboard-item .user-info .user-avatar-placeholder{width:44px;height:44px}.leaderboard-item .user-info .user-details .user-name{font-size:1rem}.leaderboard-item .user-score{font-size:1.125rem}.feed-item__header,.feed-item__content{padding:1rem}.feed-item__content h4{font-size:1rem}}@keyframes pulse{0%,to{opacity:1}50%{opacity:.7}}@keyframes pulse-text{0%,to{transform:scale(1)}50%{transform:scale(1.05)}}.challenges-page{min-height:100vh;background:var(--background);padding:1rem;padding-bottom:100px}.challenges-page .challenges-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:1.5rem}.challenges-page .challenges-header .challenges-title{display:flex;align-items:center;gap:.75rem;font-size:1.5rem;font-weight:700;color:var(--text-primary);margin:0}.challenges-page .challenges-header .challenges-title .title-icon{color:var(--color-secondary)}.challenges-page .challenges-header .btn-create-challenge{display:flex;align-items:center;gap:.5rem;padding:.75rem 1rem;background:var(--color-secondary);color:#fff;border:none;border-radius:.75rem;font-weight:600;cursor:pointer;transition:all .2s ease}.challenges-page .challenges-header .btn-create-challenge:hover{background:var(--color-secondary-hover);transform:translateY(-2px)}.challenges-page .challenges-header .btn-create-challenge:active{transform:translateY(0)}.challenges-page .challenges-tabs{display:flex;gap:.5rem;margin-bottom:1rem;background:var(--card-background);padding:.5rem;border-radius:.75rem;overflow-x:auto}.challenges-page .challenges-tabs .tab{flex:1;min-width:120px;display:flex;align-items:center;justify-content:center;gap:.5rem;padding:.75rem 1rem;background:transparent;color:var(--text-light);border:none;border-radius:.5rem;font-weight:600;cursor:pointer;transition:all .2s ease;position:relative}.challenges-page .challenges-tabs .tab .tab-badge{position:absolute;top:-4px;right:-4px;background:var(--color-error);color:#fff;font-size:.75rem;padding:2px 6px;border-radius:10px;min-width:20px;text-align:center}.challenges-page .challenges-tabs .tab:hover{background:rgba(var(--color-secondary),.05);color:var(--color-secondary)}.challenges-page .challenges-tabs .tab.tab-active{background:var(--color-secondary);color:#fff}.challenges-page .challenges-tabs .tab.tab-active .tab-badge{background:#fff;color:var(--color-secondary)}.challenges-page .search-box{position:relative;margin-bottom:1rem}.challenges-page .search-box .search-icon{position:absolute;left:1rem;top:50%;transform:translateY(-50%);color:var(--text-light)}.challenges-page .search-box .search-input{width:100%;padding:.75rem 1rem .75rem 48px;background:var(--card-background);border:1px solid var(--border);border-radius:.75rem;font-size:1rem;color:var(--text-primary);transition:all .2s ease}.challenges-page .search-box .search-input:focus{outline:none;border-color:var(--color-secondary);box-shadow:0 0 0 3px rgba(var(--color-secondary),.1)}.challenges-page .search-box .search-input::-moz-placeholder{color:var(--text-light)}.challenges-page .search-box .search-input::placeholder{color:var(--text-light)}.challenges-page .challenges-content .empty-state{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:2rem 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button:active{transform:translateY(0)}.challenges-page .challenges-content .empty-state .empty-actions .btn-primary{background:var(--color-secondary);color:#fff}.challenges-page .challenges-content .empty-state .empty-actions .btn-primary:hover{background:var(--color-secondary-hover)}.challenges-page .challenges-content .empty-state .empty-actions .btn-secondary{background:var(--background);color:var(--text-primary);border:1px solid var(--border)}.challenges-page .challenges-content .empty-state .empty-actions .btn-secondary:hover{background:var(--hover-background)}.challenges-page .challenges-content .empty-state .btn-primary{display:inline-flex;align-items:center;gap:.5rem;padding:.75rem 1.25rem;background:var(--color-secondary);color:#fff;border:none;border-radius:.75rem;font-weight:600;cursor:pointer;transition:all .2s ease}.challenges-page .challenges-content .empty-state .btn-primary:hover{background:var(--color-secondary-hover);transform:translateY(-2px)}.challenges-page .challenges-content .empty-state .btn-primary:active{transform:translateY(0)}.challenges-page .challenges-content .challenges-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:1rem}.challenges-page .challenges-content .challenges-grid .challenge-card{background:var(--card-background);border-radius:1rem;padding:1.5rem;cursor:pointer;transition:all .4s cubic-bezier(.4,0,.2,1);border:1px solid var(--border);position:relative;overflow:hidden;box-shadow:0 2px 8px #0000000a}.challenges-page .challenges-content .challenges-grid .challenge-card:before{content:"";position:absolute;top:0;left:0;right:0;height:4px;background:linear-gradient(90deg,var(--color-secondary),var(--color-primary));opacity:0;transition:opacity .3s ease}.challenges-page .challenges-content .challenges-grid .challenge-card:hover{transform:translateY(-6px);box-shadow:0 12px 32px rgba(var(--color-secondary),.15);border-color:rgba(var(--color-secondary),.3)}.challenges-page .challenges-content .challenges-grid .challenge-card:hover:before{opacity:1}.challenges-page .challenges-content .challenges-grid .challenge-card:hover .challenge-name{color:var(--color-secondary)}.challenges-page .challenges-content .challenges-grid .challenge-card:hover .challenge-card-icon{transform:scale(1.1);background:linear-gradient(135deg,var(--color-secondary),var(--color-primary));box-shadow:0 4px 12px rgba(var(--color-secondary),.3)}.challenges-page .challenges-content .challenges-grid .challenge-card .challenge-card-top{display:flex;gap:1rem;margin-bottom:1rem}.challenges-page .challenges-content .challenges-grid .challenge-card .challenge-card-top .challenge-card-icon{width:56px;height:56px;min-width:56px;border-radius:.75rem;background:linear-gradient(135deg,rgba(var(--color-secondary),.1),rgba(var(--color-primary),.1));display:flex;align-items:center;justify-content:center;transition:all .3s ease}.challenges-page .challenges-content .challenges-grid .challenge-card .challenge-card-top .challenge-card-icon svg{width:28px;height:28px;color:var(--color-secondary)}.challenges-page .challenges-content .challenges-grid .challenge-card .challenge-card-top .challenge-card-header{flex:1;display:flex;flex-direction:column;gap:.5rem;min-width:0}.challenges-page .challenges-content .challenges-grid .challenge-card .challenge-card-top .challenge-card-header .challenge-name{font-size:1.25rem;font-weight:700;color:var(--text-primary);margin:0;transition:color .3s ease;line-height:1.3}.challenges-page .challenges-content .challenges-grid .challenge-card .challenge-card-top .challenge-card-header .challenge-status{padding:6px 14px;border-radius:9999px;font-size:.75rem;font-weight:700;text-transform:uppercase;letter-spacing:.5px;white-space:nowrap;width:-moz-fit-content;width:fit-content;box-shadow:0 2px 6px #00000014}.challenges-page .challenges-content .challenges-grid .challenge-card .challenge-card-top .challenge-card-header .challenge-status.status-active{background:linear-gradient(135deg,rgba(var(--color-success),.15),rgba(var(--color-success),.08));color:var(--color-success);border:1px solid rgba(var(--color-success),.2)}.challenges-page .challenges-content .challenges-grid .challenge-card .challenge-card-top .challenge-card-header .challenge-status.status-upcoming{background:linear-gradient(135deg,rgba(var(--color-warning),.15),rgba(var(--color-warning),.08));color:var(--color-warning);border:1px solid rgba(var(--color-warning),.2)}.challenges-page .challenges-content .challenges-grid .challenge-card .challenge-card-top .challenge-card-header .challenge-status.status-completed{background:linear-gradient(135deg,#80808026,#80808014);color:var(--text-light);border:1px solid var(--border)}.challenges-page .challenges-content .challenges-grid .challenge-card .challenge-description{font-size:1rem;color:var(--text-secondary);margin-bottom:1.25rem;line-height:1.6;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.challenges-page .challenges-content .challenges-grid .challenge-card .challenge-info{display:flex;flex-direction:column;gap:.75rem;padding-top:1rem;border-top:1px solid var(--border)}.challenges-page .challenges-content .challenges-grid .challenge-card .challenge-info .info-item{display:flex;align-items:center;gap:.75rem;font-size:.875rem;color:var(--text-primary);font-weight:500}.challenges-page .challenges-content .challenges-grid .challenge-card .challenge-info .info-item svg{width:18px;height:18px;color:var(--color-secondary);flex-shrink:0}.challenges-page .challenges-content .challenges-grid .challenge-card 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