.dashboard-layout,.dashboard-page{display:flex;min-height:100vh;background-color:var(--bg-secondary)}.sidebar{width:280px;background:linear-gradient(180deg,#2d3e5f,#1e2a3a);border-left:none;position:fixed;top:0;right:0;bottom:0;z-index:1000;transition:transform var(--transition-base);box-shadow:2px 0 12px rgba(0,0,0,.1)}.sidebar,.sidebar-header{display:flex;flex-direction:column}.sidebar-header{padding:var(--spacing-xl) var(--spacing-lg);border-bottom:1px solid hsla(0,0%,100%,.1);align-items:center;text-align:center;gap:var(--spacing-md)}.sidebar-header h2{font-size:1.125rem;font-weight:600}.sidebar-logo{max-width:140px}.sidebar-logo,.sidebar-logo-img{height:auto;object-fit:contain;filter:brightness(1.2)}.sidebar-logo-img{max-width:180px}.sidebar-toggle{display:none;background:none;border:none;font-size:1.25rem;cursor:pointer;color:var(--text-secondary)}.sidebar-nav{flex:1 1;padding:var(--spacing-xl) 0;overflow-y:auto;display:flex;flex-direction:column;gap:var(--spacing-xs)}.nav-item,.nav-link{display:flex;align-items:center;gap:var(--spacing-md);padding:.875rem var(--spacing-lg);color:hsla(0,0%,100%,.7);text-decoration:none;font-weight:500;font-size:.9375rem;transition:all var(--transition-fast);position:relative;margin:0 var(--spacing-md);border-radius:var(--radius-lg)}.nav-item:hover,.nav-link:hover{background-color:hsla(0,0%,100%,.1);color:#fff}.nav-item.active,.nav-link.active{background-color:rgba(61,90,148,.3);color:#fff}.nav-item.active:before,.nav-link.active:before{content:"";position:absolute;right:0;top:50%;transform:translateY(-50%);height:60%;width:3px;background-color:#e89a3c;border-radius:2px}.nav-item i,.nav-link i{font-size:1.125rem;width:24px;text-align:center}.nav-item .badge,.nav-link .badge{background-color:#e89a3c;font-size:.75rem;padding:.25rem .5rem;font-weight:600}.nav-badge,.nav-item .badge,.nav-link .badge{margin-right:auto;color:#fff;border-radius:12px}.nav-badge{display:none;background-color:#ef4444;font-size:.7rem;padding:.2rem .5rem;font-weight:700;min-width:20px;text-align:center;line-height:1.4;box-shadow:0 2px 4px rgba(0,0,0,.2);animation:pulse 2s infinite}.nav-badge[data-badge=chat]{background-color:#3b82f6}.nav-badge[data-badge=notifications]{background-color:#ef4444}.nav-badge[data-badge=submissions]{background-color:#f59e0b}.nav-item:hover .nav-badge{transform:scale(1.1);transition:transform .2s ease}.sidebar-footer{padding:var(--spacing-lg);border-top:1px solid hsla(0,0%,100%,.1)}.sidebar-footer .btn-logout,.sidebar-footer button{width:100%;padding:var(--spacing-md);background:linear-gradient(135deg,#ef4444,#dc2626);color:#fff;border:none;border-radius:var(--radius-lg);font-weight:600;cursor:pointer;display:flex;align-items:center;justify-content:center;gap:var(--spacing-sm);transition:all var(--transition-fast);font-family:var(--font-family)}.sidebar-footer .btn-logout:hover,.sidebar-footer button:hover{background:linear-gradient(135deg,#dc2626,#b91c1c);transform:translateY(-2px);box-shadow:0 4px 12px rgba(239,68,68,.3)}.main-content{flex:1 1;margin-right:280px;min-height:100vh;display:flex;flex-direction:column}.topbar{background-color:var(--bg-primary);border-bottom:1px solid var(--border-color);padding:var(--spacing-lg);display:flex;align-items:center;gap:var(--spacing-lg);position:-webkit-sticky;position:sticky;top:0;z-index:100}.mobile-menu-btn{background:none;font-size:1.5rem}.topbar-title h1{font-size:var(--font-size-2xl);margin:0}.topbar-actions{margin-right:auto;display:flex;align-items:center;gap:var(--spacing-md);position:relative}.topbar-icon-btn{width:40px;height:40px;background:none;transition:all var(--transition-fast)}.topbar-icon-btn:hover{background-color:var(--bg-secondary);color:var(--primary-color)}.notification-badge{border-radius:var(--radius-full)}.notification-dropdown{position:absolute;top:calc(100% + var(--spacing-sm));right:0;width:380px;max-width:calc(100vw - 2rem);background:var(--bg-primary);border:1px solid var(--border-color);border-radius:var(--radius-lg);box-shadow:var(--shadow-lg);z-index:1000;display:flex;flex-direction:column;max-height:500px}.notification-dropdown-header{display:flex;align-items:center;justify-content:space-between;padding:var(--spacing-md) var(--spacing-lg);border-bottom:1px solid var(--border-color)}.notification-dropdown-header h3{margin:0;font-size:var(--font-size-base);font-weight:600;color:var(--text-primary)}.notification-dropdown-body{flex:1 1;overflow-y:auto;max-height:400px}.notification-dropdown-item{display:flex;align-items:flex-start;gap:var(--spacing-md);padding:var(--spacing-md) var(--spacing-lg);border-bottom:1px solid var(--border-color);cursor:pointer;transition:background-color var(--transition-fast);position:relative}.notification-dropdown-item:last-child{border-bottom:none}.notification-dropdown-item:hover{background-color:var(--bg-secondary)}.notification-dropdown-item.unread{background-color:rgba(var(--primary-color-rgb),.05)}.notification-dropdown-item.unread:hover{background-color:rgba(var(--primary-color-rgb),.1)}.notification-dropdown-icon{width:36px;height:36px;border-radius:50%;display:flex;align-items:center;justify-content:center;flex-shrink:0;background-color:var(--bg-secondary);color:var(--primary-color)}.notification-dropdown-icon.status_change{background-color:rgba(59,130,246,.1);color:#3b82f6}.notification-dropdown-icon.comment_added{background-color:rgba(16,185,129,.1);color:#10b981}.notification-dropdown-icon.new_submission{background-color:rgba(245,158,11,.1);color:#f59e0b}.notification-dropdown-icon.system{background-color:rgba(139,92,246,.1);color:#8b5cf6}.notification-dropdown-content{flex:1 1;min-width:0}.notification-dropdown-title{margin:0 0 .25rem;font-size:var(--font-size-sm);font-weight:600;color:var(--text-primary);line-height:1.4}.notification-dropdown-message{margin:0 0 .5rem;font-size:var(--font-size-xs);color:var(--text-secondary);line-height:1.4;display:-webkit-box;-webkit-line-clamp:2;line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.notification-dropdown-time{font-size:var(--font-size-xs);color:var(--text-tertiary)}.notification-dropdown-unread-dot{position:absolute;top:var(--spacing-md);left:var(--spacing-lg);width:8px;height:8px;border-radius:50%;background-color:var(--primary-color);flex-shrink:0}.notification-dropdown-footer{padding:var(--spacing-md) var(--spacing-lg);border-top:1px solid var(--border-color);text-align:center}.notification-empty,.notification-error,.notification-loading{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:var(--spacing-xl);text-align:center;color:var(--text-secondary)}.notification-loading .loading-spinner{width:32px;height:32px;border:3px solid var(--border-color);border-top-color:var(--primary-color);border-radius:50%;animation:spin .8s linear infinite;margin-bottom:var(--spacing-md)}.notification-empty i,.notification-error i{font-size:2rem;margin-bottom:var(--spacing-md);color:var(--text-tertiary)}.notification-empty p,.notification-error p{margin:0;font-size:var(--font-size-sm)}@media (max-width:768px){.notification-dropdown{width:calc(100vw - 2rem);left:auto;right:0}}.user-menu-btn{display:flex;align-items:center;gap:var(--spacing-sm);background:none;border:none;cursor:pointer;padding:var(--spacing-sm) var(--spacing-md);border-radius:var(--radius-lg);transition:background-color var(--transition-fast)}.user-menu-btn:hover{background-color:var(--bg-secondary)}.user-avatar{width:36px;height:36px;background:linear-gradient(135deg,var(--primary-color),var(--primary-light))}.user-name{font-weight:600;color:var(--text-primary)}.user-menu-dropdown{top:100%;margin-top:var(--spacing-sm)}.dashboard-content{flex:1 1;padding:var(--spacing-xl)}.welcome-section{background:linear-gradient(135deg,var(--primary-color),var(--primary-light));color:#fff;padding:var(--spacing-2xl);border-radius:var(--radius-xl);margin-bottom:var(--spacing-xl);display:flex;align-items:center;justify-content:space-between}.welcome-section h2{font-size:var(--font-size-3xl);margin-bottom:var(--spacing-sm)}.welcome-section p{font-size:var(--font-size-lg);opacity:.95;margin:0}.stats-grid{grid-template-columns:repeat(auto-fit,minmax(250px,1fr))}.stat-card{background-color:var(--bg-primary);border-radius:var(--radius-lg);transition:all var(--transition-base)}.stat-card:hover{box-shadow:var(--shadow-md);transform:translateY(-2px)}.stat-icon{width:60px;height:60px;border-radius:var(--radius-xl);font-size:1.75rem}.stat-details h3{font-size:var(--font-size-3xl);margin:0 0 var(--spacing-xs) 0}.quick-actions{background-color:var(--bg-primary)}.action-card{background-color:var(--bg-secondary);border:1px solid var(--border-color);padding:var(--spacing-lg);gap:var(--spacing-sm);transition:all var(--transition-base)}.action-card:hover{background-color:var(--primary-color);transform:translateY(-3px);box-shadow:var(--shadow-md)}.action-card i{font-size:2rem}.loading-placeholder p{color:var(--text-secondary);margin:0}.empty-state h3{color:var(--text-secondary);margin-bottom:var(--spacing-sm)}.empty-state p{color:var(--text-light);margin-bottom:var(--spacing-lg)}.submission-item{transition:all var(--transition-fast)}.submission-item:hover{box-shadow:var(--shadow-sm)}.submission-header{display:flex;align-items:flex-start;justify-content:space-between;margin-bottom:var(--spacing-md)}.submission-title{font-size:var(--font-size-lg);font-weight:700;color:var(--text-primary);margin-bottom:var(--spacing-xs)}.submission-meta,.submission-ref{font-size:var(--font-size-sm);color:var(--text-secondary)}.submission-meta{display:flex;flex-wrap:wrap;gap:var(--spacing-lg);margin-bottom:var(--spacing-md)}.submission-meta span{display:flex;align-items:center;gap:var(--spacing-xs)}.sidebar-overlay{background-color:rgba(0,0,0,.5);z-index:999;transition:opacity var(--transition-base)}@media (max-width:1024px){.sidebar{transform:translateX(100%);width:280px}.sidebar.active,.sidebar.open{transform:translateX(0)}.sidebar-overlay.active,.sidebar-toggle{display:block}.main-content{margin-right:0}.mobile-menu-btn{display:block}.topbar{padding:var(--spacing-md) var(--spacing-lg)}.topbar-left h1{font-size:var(--font-size-xl)}.topbar-actions{gap:var(--spacing-sm)}.topbar-icon-btn{width:36px;height:36px}.user-menu{padding:var(--spacing-xs) var(--spacing-sm)}.user-menu span{display:none}.user-avatar{width:32px;height:32px}}@media (max-width:768px){.sidebar{width:260px}.sidebar-header{padding:var(--spacing-lg) var(--spacing-md)}.sidebar-header h2{font-size:var(--font-size-base)}.sidebar-logo{max-width:100px}.nav-item{padding:.75rem var(--spacing-md);font-size:var(--font-size-sm);margin:0 var(--spacing-sm)}.nav-item i{font-size:1rem;width:20px}.dashboard-content,.welcome-section{padding:var(--spacing-lg)}.welcome-section{flex-direction:column;align-items:flex-start;gap:var(--spacing-lg)}.welcome-section h2{font-size:var(--font-size-2xl)}.welcome-section p{font-size:var(--font-size-base)}.stats-grid{grid-template-columns:1fr;gap:var(--spacing-md)}.stat-card{padding:var(--spacing-lg)}.stat-icon{width:50px;height:50px;font-size:1.5rem}.stat-details h3{font-size:var(--font-size-2xl)}.stat-details p{font-size:var(--font-size-sm)}.topbar{padding:var(--spacing-md);flex-wrap:wrap}.topbar-left{flex:1 1;min-width:0}.topbar-left h1{font-size:var(--font-size-lg);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.topbar-actions{margin-right:auto}.topbar-icon-btn{width:36px;height:36px;font-size:1rem}.user-name{display:none}.notification-dropdown{width:calc(100vw - 2rem);max-width:380px;right:0;left:auto}.user-menu-dropdown{right:0;left:auto}.quick-actions{padding:var(--spacing-lg)}.actions-grid{grid-template-columns:repeat(2,1fr);gap:var(--spacing-sm)}.action-card{padding:var(--spacing-md)}.action-card i{font-size:1.5rem}.submission-item{padding:var(--spacing-md)}.submission-header{flex-direction:column;align-items:flex-start;gap:var(--spacing-sm)}.submission-actions{width:100%;flex-wrap:wrap}.submission-actions .btn{flex:1 1;min-width:100px}}@media (max-width:480px){.sidebar{width:100%;max-width:280px}.sidebar-header{padding:var(--spacing-md)}.sidebar-logo{max-width:80px}.nav-item{padding:.625rem var(--spacing-sm);font-size:var(--font-size-xs)}.topbar{padding:var(--spacing-sm) var(--spacing-md)}.topbar-left h1{font-size:var(--font-size-base)}.topbar-icon-btn{width:32px;height:32px;font-size:.875rem}.user-avatar{width:28px;height:28px;font-size:.875rem}.dashboard-content,.welcome-section{padding:var(--spacing-md)}.welcome-section h2{font-size:var(--font-size-xl)}.welcome-section p{font-size:var(--font-size-sm)}.stat-card{padding:var(--spacing-md);flex-direction:column;text-align:center}.stat-icon{width:45px;height:45px;font-size:1.25rem}.stat-details h3{font-size:var(--font-size-xl)}.quick-actions{padding:var(--spacing-md)}.quick-actions h3{font-size:var(--font-size-lg)}.actions-grid{grid-template-columns:1fr}.action-card{padding:var(--spacing-sm)}.action-card i{font-size:1.25rem}.submission-item{padding:var(--spacing-sm)}.submission-title{font-size:var(--font-size-base)}.submission-meta{gap:var(--spacing-xs);font-size:var(--font-size-xs)}.submission-actions,.submission-meta{flex-direction:column}.submission-actions .btn{width:100%}.notification-dropdown{width:calc(100vw - 1rem);max-width:100%}.user-menu-dropdown{right:0;left:auto;min-width:180px}}@media (max-width:360px){.topbar-left h1{font-size:var(--font-size-sm)}.stat-details h3,.welcome-section h2{font-size:var(--font-size-lg)}}.status-item{margin-bottom:var(--spacing-lg)}.status-bar{height:10px;background-color:var(--bg-secondary)}.status-bar,.status-bar-fill{border-radius:var(--radius-md)}.status-bar-fill{transition:width .6s ease}.status-bar-fill[data-status=pending]{background-color:var(--warning-color)}.status-bar-fill[data-status=approved]{background-color:var(--success-color)}.status-bar-fill[data-status=needs-revision]{background-color:var(--info-color)}.status-bar-fill[data-status=rejected]{background-color:var(--error-color)}.status-info{font-size:var(--font-size-sm)}.status-label{font-weight:500}.activity-item{padding:var(--spacing-md)}.activity-icon{width:40px;height:40px;border-radius:50%}.activity-icon-primary{background-color:rgba(61,90,148,.1);color:var(--primary-color)}.activity-icon-success{background-color:rgba(16,185,129,.1);color:var(--success-color)}.activity-icon-warning{background-color:rgba(232,154,60,.1);color:var(--warning-color)}.activity-icon-info{background-color:rgba(61,90,148,.1);color:var(--info-color)}.activity-icon-secondary{background-color:var(--bg-secondary);color:var(--text-secondary)}.activity-details{flex:1 1}.activity-details p{color:var(--text-primary);margin:0 0 var(--spacing-xs) 0;font-size:var(--font-size-sm)}.activity-time{color:var(--text-light);font-size:var(--font-size-xs)}.submission-info{flex:1 1}.submission-info h4{margin:0 0 var(--spacing-xs) 0;font-size:var(--font-size-lg)}.submission-info p{margin:0;font-size:var(--font-size-sm)}.submission-info p,.text-secondary{color:var(--text-secondary)}.stat-change{margin-right:auto;font-size:var(--font-size-sm);font-weight:600;gap:var(--spacing-xs)}.stat-badge{padding:.25rem .5rem;border-radius:var(--radius-sm);font-size:var(--font-size-xs);font-weight:600;text-transform:uppercase}.stat-badge.urgent{background-color:rgba(239,68,68,.1);color:var(--error-color)}.grid{display:grid;grid-gap:var(--spacing-lg);gap:var(--spacing-lg);margin-bottom:var(--spacing-xl)}.grid-cols-2{grid-template-columns:repeat(2,1fr)}@media (max-width:1024px){.grid-cols-2{grid-template-columns:1fr}}.error-state p{color:var(--text-secondary)}.notification-badge{top:0;left:0;background-color:var(--error-color);font-size:var(--font-size-xs);padding:2px 6px;min-width:18px}.user-menu{gap:var(--spacing-sm);padding:var(--spacing-sm) var(--spacing-md);background:var(--bg-secondary);border-radius:var(--radius-lg)}.user-menu span{font-size:var(--font-size-sm)}#submissions-chart{position:relative}.form-select{padding:var(--spacing-sm) var(--spacing-md);border:1px solid var(--border-color);border-radius:var(--radius-md);background:var(--bg-primary);color:var(--text-primary);font-family:var(--font-family);font-size:var(--font-size-sm)}.form-select:focus{outline:none;border-color:var(--primary-color)}@keyframes slideInRight{0%{opacity:0;transform:translateX(30px)}to{opacity:1;transform:translateX(0)}}.fade-in{animation:fadeIn .6s ease-out forwards}.slide-in-right{animation:slideInRight .5s ease-out forwards}.sidebar{background:linear-gradient(135deg,#2c3e50,#34495e);box-shadow:2px 0 20px rgba(0,0,0,.1)}.sidebar-header{background:hsla(0,0%,100%,.05);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.sidebar-header h2{font-size:1.25rem;font-weight:700;color:#fff;margin:0}.nav-link{margin:.25rem .75rem;border-radius:var(--radius-lg);transition:all .3s cubic-bezier(.4,0,.2,1);position:relative;overflow:hidden}.nav-link:before{content:"";position:absolute;top:0;right:0;width:0;height:100%;background:linear-gradient(90deg,transparent,hsla(0,0%,100%,.1),transparent);transition:width .4s ease}.nav-link:hover:before{width:100%}.nav-link:hover{background:hsla(0,0%,100%,.1);color:#fff;transform:translateX(-5px);box-shadow:0 4px 12px rgba(0,0,0,.15)}.nav-link.active{background:linear-gradient(135deg,var(--primary-color),var(--primary-light));color:#fff;box-shadow:0 4px 12px rgba(61,90,148,.3)}.nav-link.active:after{content:"";position:absolute;right:0;top:50%;transform:translateY(-50%);width:4px;height:60%;background:#fff;border-radius:2px 0 0 2px}.nav-link .badge{background:linear-gradient(135deg,var(--error-color),#ff6b6b);color:#fff;padding:.25rem .5rem;border-radius:12px;font-size:.75rem;font-weight:700;animation:pulse 2s infinite}.sidebar-footer{background:rgba(0,0,0,.1)}#logout-btn{width:100%;justify-content:center;gap:.5rem;padding:.875rem;border-radius:var(--radius-lg);background:rgba(239,68,68,.1);color:#ef4444;border:1px solid rgba(239,68,68,.3);transition:all .3s ease}#logout-btn:hover{background:#ef4444;color:#fff;transform:translateY(-2px);box-shadow:0 4px 12px rgba(239,68,68,.3)}.topbar{background:#fff;box-shadow:0 2px 8px rgba(0,0,0,.05);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.topbar-left{display:flex;align-items:center;gap:var(--spacing-lg)}.topbar-left h1{font-size:1.5rem;font-weight:700;background:linear-gradient(135deg,var(--primary-color),var(--primary-light));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.topbar-icon-btn{position:relative;width:44px;height:44px;border-radius:50%;background:var(--bg-secondary);border:none;cursor:pointer;display:flex;align-items:center;justify-content:center;color:var(--text-secondary);transition:all .3s ease}.topbar-icon-btn:hover{background:var(--primary-color);color:#fff;transform:scale(1.1);box-shadow:0 4px 12px rgba(61,90,148,.3)}.notification-badge{position:absolute;top:-2px;left:-2px;background:linear-gradient(135deg,#ef4444,#dc2626);color:#fff;font-size:.625rem;font-weight:700;padding:.125rem .375rem;border-radius:10px;min-width:20px;text-align:center;box-shadow:0 2px 8px rgba(239,68,68,.4);animation:pulse 2s infinite}.user-menu{display:flex;align-items:center;gap:var(--spacing-md);padding:.5rem 1rem;background:linear-gradient(135deg,var(--bg-secondary),#f8fafc);border-radius:50px;border:1px solid var(--border-color);cursor:pointer;transition:all .3s ease}.user-menu:hover{box-shadow:0 4px 12px rgba(0,0,0,.1);transform:translateY(-2px)}.user-avatar{width:40px;height:40px;border-radius:50%;background:linear-gradient(135deg,#667eea,#764ba2);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:1rem;box-shadow:0 4px 12px rgba(102,126,234,.4)}.user-menu span{font-size:.875rem;color:var(--text-secondary);font-weight:600}.user-menu{position:relative}.user-menu-dropdown{position:absolute;top:calc(100% + .5rem);left:0;background-color:var(--bg-primary);border:1px solid var(--border-color);border-radius:var(--radius-lg);box-shadow:var(--shadow-lg);min-width:200px;z-index:1000;display:none}.user-menu-dropdown a{display:flex;align-items:center;gap:var(--spacing-md);padding:var(--spacing-md) var(--spacing-lg);color:var(--text-primary);text-decoration:none;transition:background-color var(--transition-fast)}.user-menu-dropdown a:hover{background-color:var(--bg-secondary)}.user-menu-dropdown a:first-child{border-radius:var(--radius-lg) var(--radius-lg) 0 0}.user-menu-dropdown a:last-child{border-radius:0 0 var(--radius-lg) var(--radius-lg)}.stats-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));grid-gap:var(--spacing-lg);gap:var(--spacing-lg);margin-bottom:var(--spacing-xl)}.stat-card{background:#fff;border:1px solid var(--border-color);border-radius:var(--radius-xl);padding:var(--spacing-xl);display:flex;align-items:center;gap:var(--spacing-lg);position:relative;overflow:hidden;transition:all .4s cubic-bezier(.4,0,.2,1);animation:fadeIn .6s ease-out forwards}.stat-card:before{content:"";position:absolute;top:0;right:0;width:100%;height:100%;background:linear-gradient(135deg,transparent 60%,rgba(61,90,148,.05));opacity:0;transition:opacity .4s ease}.stat-card:hover{box-shadow:0 12px 40px rgba(0,0,0,.1);transform:translateY(-8px);border-color:var(--primary-color)}.stat-card:hover:before{opacity:1}.stat-card:first-child{animation-delay:.1s}.stat-card:nth-child(2){animation-delay:.2s}.stat-card:nth-child(3){animation-delay:.3s}.stat-card:nth-child(4){animation-delay:.4s}.stat-icon{width:70px;height:70px;border-radius:20px;display:flex;align-items:center;justify-content:center;font-size:2rem;position:relative;flex-shrink:0;transition:all .3s ease}.stat-card:hover .stat-icon{transform:scale(1.1) rotate(5deg)}.stat-icon:before{content:"";position:absolute;inset:-2px;border-radius:22px;background:linear-gradient(135deg,currentColor,transparent);opacity:.2;filter:blur(10px)}.stat-details{flex:1 1}.stat-details h3{font-size:2.25rem;font-weight:900;margin:0 0 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