@keyframes skeleton-shimmer{0%{background-position:100% 0}to{background-position:-100% 0}}@keyframes skeleton-pulse{0%,to{opacity:.55}50%{opacity:.28}}.skeleton{--sk-a:color-mix(in srgb,var(--ds-text-primary) 6%,transparent);--sk-b:color-mix(in srgb,var(--ds-text-primary) 12%,transparent);--sk-c:color-mix(in srgb,var(--ds-text-primary) 8%,transparent);background:linear-gradient(110deg,var(--sk-a) 0,var(--sk-b) 42%,var(--sk-c) 78%,var(--sk-a) 100%);background-size:220% 100%;animation:skeleton-shimmer 1.6s ease-in-out infinite;position:relative;overflow:hidden}.skeleton,.skeleton-pulse{border-radius:var(--ds-radius-md,8px)}.skeleton-pulse{background:color-mix(in srgb,var(--ds-text-primary) 8%,transparent);animation:skeleton-pulse 1.8s ease-in-out infinite}@media (prefers-reduced-motion:reduce){.skeleton{animation:none;background:color-mix(in srgb,var(--ds-text-primary) 9%,transparent)}.skeleton-pulse{animation:none;opacity:.75}}.skeleton-screen{outline:none}.skeleton-page-container{min-height:100%;padding:var(--ds-space-8) var(--ds-space-6);max-width:var(--ds-container-lg,1200px);margin:0 auto}.calendar-skeleton-card{max-width:640px;margin:var(--ds-space-16) auto 0;padding:var(--ds-space-10) var(--ds-space-8);display:flex;flex-direction:column;align-items:center;gap:var(--ds-space-4);background:var(--ds-bg-secondary);border:1px solid var(--ds-border-default);border-radius:var(--ds-radius-2xl)}.calendar-skeleton-icon{margin-bottom:var(--ds-space-2)}.skeleton-text{height:14px;border-radius:6px}.skeleton-text-xs{height:10px;border-radius:4px}.skeleton-text-sm{height:12px;border-radius:5px}.skeleton-text-lg{height:18px;border-radius:6px}.skeleton-text-xl{height:24px;border-radius:8px}.skeleton-title{height:32px;border-radius:8px}.skeleton-title-lg{height:40px;border-radius:10px}.skeleton-circle{border-radius:50%}.skeleton-avatar-xs{width:24px;height:24px;border-radius:50%;flex-shrink:0}.skeleton-avatar-sm{width:32px;height:32px;border-radius:50%;flex-shrink:0}.skeleton-avatar{width:40px;height:40px;border-radius:50%;flex-shrink:0}.skeleton-avatar-md{width:48px;height:48px;border-radius:50%;flex-shrink:0}.skeleton-avatar-lg{width:64px;height:64px;border-radius:50%;flex-shrink:0}.skeleton-avatar-xl{width:96px;height:96px;border-radius:50%;flex-shrink:0}.skeleton-avatar-2xl{width:120px;height:120px;border-radius:50%;flex-shrink:0}.skeleton-button{height:40px;border-radius:20px;min-width:100px}.skeleton-button-sm{height:32px;border-radius:16px;min-width:80px}.skeleton-button-lg{height:48px;border-radius:24px;min-width:120px}.skeleton-input{height:44px;border-radius:12px}.skeleton-input-sm{height:36px;border-radius:10px}.skeleton-badge{height:24px;border-radius:12px;min-width:60px}.skeleton-badge-sm{height:20px;border-radius:10px;min-width:48px}.skeleton-icon{width:24px;height:24px;border-radius:6px;flex-shrink:0}.skeleton-icon-sm{width:18px;height:18px;border-radius:4px;flex-shrink:0}.skeleton-icon-lg{width:32px;height:32px;border-radius:8px;flex-shrink:0}.skeleton-icon-xl{width:48px;height:48px;border-radius:12px;flex-shrink:0}.skeleton-card{background:var(--ds-bg-secondary);border:1px solid var(--ds-border-default);border-radius:16px;padding:20px}.skeleton-card-glass{background:var(--ds-bg-secondary);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border:1px solid var(--ds-border-default);border-radius:20px;padding:24px}.skeleton-dashboard{min-height:100vh;padding:32px 24px;max-width:1400px;margin:0 auto}.skeleton-dashboard-welcome{margin-bottom:32px}.skeleton-dashboard-welcome .skeleton-title{width:320px;max-width:100%;margin-bottom:12px}.skeleton-dashboard-welcome .skeleton-text{width:200px}.skeleton-stats-grid{display:grid;grid-template-columns:repeat(4,1fr);grid-gap:20px;gap:20px;margin-bottom:32px}.skeleton-stat-card{background:rgba(255,255,255,.03);border:1px solid rgba(255,255,255,.06);border-radius:20px;padding:24px;display:flex;flex-direction:column;gap:16px}.skeleton-stat-header{display:flex;align-items:center;gap:16px}.skeleton-stat-icon{width:48px;height:48px;border-radius:14px;flex-shrink:0}.skeleton-stat-content{flex:1 1;display:flex;flex-direction:column;gap:8px}.skeleton-stat-label{height:12px;width:80px;border-radius:4px}.skeleton-stat-value{height:28px;width:60px;border-radius:6px}.skeleton-stat-badge{height:20px;width:100px;border-radius:10px;align-self:flex-start}.skeleton-content-grid{display:grid;grid-template-columns:repeat(2,1fr);grid-gap:24px;gap:24px;margin-bottom:32px}.skeleton-actions-card,.skeleton-progress-card{background:rgba(255,255,255,.03);border:1px solid rgba(255,255,255,.06);border-radius:20px;padding:24px}.skeleton-card-header{display:flex;align-items:center;gap:12px;margin-bottom:24px}.skeleton-card-icon{width:40px;height:40px;border-radius:12px}.skeleton-card-title{height:20px;width:140px;border-radius:6px}.skeleton-progress-items{display:flex;flex-direction:column;gap:20px}.skeleton-progress-item{display:flex;flex-direction:column;gap:10px}.skeleton-progress-header{display:flex;justify-content:space-between;align-items:center}.skeleton-progress-label{height:14px;width:100px;border-radius:4px}.skeleton-progress-value{height:14px;width:40px;border-radius:4px}.skeleton-progress-bar{height:8px;width:100%;border-radius:4px;background:rgba(255,255,255,.04);overflow:hidden}.skeleton-progress-fill{height:100%;border-radius:4px}.skeleton-actions-list{display:flex;flex-direction:column;gap:12px}.skeleton-action-item{display:flex;align-items:center;gap:16px;padding:16px;background:rgba(255,255,255,.02);border:1px solid rgba(255,255,255,.04);border-radius:14px}.skeleton-action-icon{width:44px;height:44px;border-radius:12px}.skeleton-action-label{height:16px;width:100px;border-radius:4px;flex:1 1}.skeleton-action-arrow{width:16px;height:16px;border-radius:4px}.skeleton-recent-grid{display:grid;grid-template-columns:repeat(2,1fr);grid-gap:24px;gap:24px}.skeleton-recent-card{background:rgba(255,255,255,.03);border:1px solid rgba(255,255,255,.06);border-radius:20px;padding:24px;overflow:hidden;min-width:0}.skeleton-recent-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:20px}.skeleton-recent-title{height:20px;width:120px;border-radius:6px}.skeleton-recent-link{height:16px;width:70px;border-radius:4px}.skeleton-recent-list{display:flex;flex-direction:column;gap:12px}.skeleton-recent-item{display:flex;align-items:center;gap:12px;padding:16px;background:rgba(255,255,255,.02);border:1px solid rgba(255,255,255,.04);border-radius:14px}.skeleton-recent-item-checkbox{width:20px;height:20px;border-radius:6px;flex-shrink:0}.skeleton-recent-item-content{flex:1 1;display:flex;flex-direction:column;gap:6px;min-width:0}.skeleton-recent-item-title{height:14px;width:70%;border-radius:4px}.skeleton-recent-item-subtitle{height:12px;width:50%;border-radius:3px}.skeleton-recent-item-date{height:24px;width:70px;border-radius:8px;flex-shrink:0}.skeleton-notes{display:flex;height:calc(100vh - 64px)}.skeleton-notes-sidebar{width:320px;background:var(--ds-bg-secondary);border-right:1px solid var(--ds-border-default);display:flex;flex-direction:column;padding:8px}.skeleton-notes-new-btn,.skeleton-notes-search{height:44px;border-radius:12px;margin-bottom:16px}.skeleton-notes-list{flex:1 1;display:flex;flex-direction:column;gap:8px;overflow:hidden}.skeleton-note-item{padding:16px;background:rgba(255,255,255,.02);border:1px solid rgba(255,255,255,.04);border-radius:12px;display:flex;flex-direction:column;gap:10px}.skeleton-note-item-header{display:flex;justify-content:space-between;align-items:flex-start}.skeleton-note-item-title{height:16px;width:70%;border-radius:4px}.skeleton-note-item-pin{width:16px;height:16px;border-radius:4px}.skeleton-note-item-preview{display:flex;flex-direction:column;gap:6px}.skeleton-note-item-line{height:12px;border-radius:3px}.skeleton-note-item-footer{display:flex;justify-content:space-between;align-items:center;margin-top:4px}.skeleton-note-item-subject{height:20px;width:70px;border-radius:10px}.skeleton-note-item-date{height:12px;width:60px;border-radius:3px}.skeleton-notes-main{flex:1 1;justify-content:center;padding:40px}.skeleton-notes-empty,.skeleton-notes-main{display:flex;flex-direction:column;align-items:center}.skeleton-notes-empty{text-align:center;gap:16px}.skeleton-notes-empty-icon{width:80px;height:80px;border-radius:20px}.skeleton-notes-empty-title{height:24px;width:200px;border-radius:6px}.skeleton-notes-empty-text{height:14px;width:280px;border-radius:4px}.skeleton-public-note{min-height:100vh;background:var(--ds-bg-primary);padding:var(--ds-space-8) var(--ds-space-6)}.skeleton-public-note-inner{max-width:800px;margin:0 auto}.skeleton-public-note-breadcrumb{display:flex;gap:var(--ds-space-2);margin-bottom:var(--ds-space-8)}.skeleton-public-note-crumb{height:20px;width:60px;border-radius:var(--ds-radius-sm)}.skeleton-public-note-crumb--wide{width:100px}.skeleton-public-note-author{display:flex;align-items:center;gap:var(--ds-space-3);margin-bottom:var(--ds-space-6)}.skeleton-public-note-avatar{width:40px;height:40px;border-radius:50%;flex-shrink:0}.skeleton-public-note-author-text{display:flex;flex-direction:column;gap:6px;min-width:0}.skeleton-public-note-line{height:20px;width:100%;border-radius:5px}.skeleton-public-note-line--lg{width:120px;height:16px}.skeleton-public-note-line--sm{width:80px;height:14px}.skeleton-public-note-heading{height:36px;width:min(80%,560px);border-radius:var(--ds-radius-md);margin-bottom:var(--ds-space-4)}.skeleton-public-note-badges{display:flex;gap:var(--ds-space-3);margin-bottom:var(--ds-space-8)}.skeleton-public-note-badge{height:24px;width:80px;border-radius:var(--ds-radius-md)}.skeleton-public-note-badge--wide{width:100px}.skeleton-public-note-card{background:var(--ds-bg-secondary);border:1px solid var(--ds-border-default);border-radius:var(--ds-radius-xl);padding:var(--ds-space-8)}.skeleton-public-note-block{border-radius:var(--ds-radius-lg)}.skeleton-public-note-page{background:var(--ds-bg-primary)}.skeleton-todos{min-height:100vh;padding:var(--ds-space-8) var(--ds-space-6);max-width:var(--container-max,var(--ds-container-xl));margin:0 auto}.skeleton-todos-header{display:flex;justify-content:space-between;align-items:flex-start;margin-bottom:var(--ds-space-8);padding-bottom:var(--ds-space-6);border-bottom:1px solid var(--ds-border-default)}.skeleton-todos-header-left{display:flex;flex-direction:column;gap:var(--ds-space-2)}.skeleton-todos-title{height:36px;width:min(200px,45vw);border-radius:var(--ds-radius-md)}.skeleton-todos-subtitle{height:14px;width:min(260px,70vw);border-radius:var(--ds-radius-sm)}.skeleton-todos-header-right{display:flex;align-items:center;gap:var(--ds-space-3);flex-shrink:0}.skeleton-todos-view-toggle{display:flex;gap:4px;background:var(--ds-bg-tertiary);border:1px solid var(--ds-border-default);border-radius:var(--ds-radius-lg);padding:4px}.skeleton-todos-view-btn{width:38px;height:38px;border-radius:var(--ds-radius-lg)}.skeleton-todos-add-btn{height:44px;width:120px;border-radius:var(--ds-radius-lg)}.skeleton-todos-overview{display:flex;flex-direction:column;gap:var(--ds-space-5);padding:var(--ds-space-5) var(--ds-space-6);margin-bottom:var(--ds-space-5);background:var(--ds-bg-secondary);border:1px solid var(--ds-border-default);border-radius:var(--ds-radius-xl)}.skeleton-todos-metrics{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));grid-gap:var(--ds-space-3);gap:var(--ds-space-3)}.skeleton-todos-metric{display:flex;flex-direction:column;gap:6px;padding:var(--ds-space-3) var(--ds-space-4);background:var(--ds-bg-primary);border:1px solid var(--ds-border-subtle);border-radius:var(--ds-radius-lg);min-width:0}.skeleton-todos-metric-value{height:26px;width:48px;border-radius:var(--ds-radius-sm)}.skeleton-todos-metric-label{height:10px;width:72%;border-radius:4px}.skeleton-todos-progress-head{display:flex;justify-content:space-between;margin-bottom:var(--ds-space-3)}.skeleton-todos-progress-label{height:14px;width:100px;border-radius:4px}.skeleton-todos-progress-pct{height:14px;width:36px;border-radius:4px}.skeleton-todos-progress-bar{height:6px;width:100%;border-radius:var(--ds-radius-md)}.skeleton-todos-scope{display:flex;gap:4px;margin-bottom:var(--ds-space-5);padding:4px;width:-moz-fit-content;width:fit-content;max-width:100%;background:var(--ds-bg-secondary);border:1px solid var(--ds-border-default);border-radius:var(--ds-radius-lg)}.skeleton-todos-scope-pill{height:32px;width:72px;border-radius:var(--ds-radius-md)}.skeleton-todos-filters{display:flex;align-items:center;gap:var(--ds-space-3);margin-bottom:var(--ds-space-6);flex-wrap:wrap}.skeleton-todos-search{flex:1 1;min-width:200px;height:44px;border-radius:var(--ds-radius-lg)}.skeleton-todos-filter{height:44px;width:140px;border-radius:var(--ds-radius-lg)}.skeleton-todos-list{display:flex;flex-direction:column;gap:var(--ds-space-3)}.skeleton-todo-item{display:flex;align-items:flex-start;gap:var(--ds-space-4);padding:var(--ds-space-5);background:var(--ds-bg-secondary);border:1px solid var(--ds-border-default);border-radius:var(--ds-radius-lg)}.skeleton-todo-checkbox{width:24px;height:24px;border-radius:var(--ds-radius-md);flex-shrink:0;margin-top:2px}.skeleton-todo-main{flex:1 1;min-width:0;display:flex;flex-direction:column;gap:var(--ds-space-2)}.skeleton-todo-title{height:18px;width:min(65%,420px);border-radius:5px}.skeleton-todo-desc{height:12px;width:min(85%,520px);border-radius:4px}.skeleton-todo-meta{display:flex;flex-wrap:wrap;align-items:center;gap:var(--ds-space-2);margin-top:var(--ds-space-1)}.skeleton-todo-priority{height:24px;width:56px;border-radius:var(--ds-radius-md)}.skeleton-todo-category{width:88px}.skeleton-todo-category,.skeleton-todo-date{height:24px;border-radius:var(--ds-radius-md)}.skeleton-todo-date{width:96px}.skeleton-todo-actions{display:flex;gap:4px;flex-shrink:0}.skeleton-todo-action{width:36px;height:36px;border-radius:var(--ds-radius-lg)}.skeleton-quiz{padding:32px 24px;max-width:var(--ds-container-lg);margin:0 auto}.skeleton-quiz-header{margin-bottom:32px}.skeleton-quiz-title{height:36px;width:200px;border-radius:8px}.skeleton-quiz-filters{display:flex;gap:16px;margin-bottom:32px}.skeleton-quiz-filter{flex:1 1;max-width:240px}.skeleton-quiz-filter-label{height:14px;width:100px;border-radius:4px;margin-bottom:8px}.skeleton-quiz-filter-select{height:44px;border-radius:12px}.skeleton-quiz-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));grid-gap:24px;gap:24px}.skeleton-quiz-card{background:rgba(255,255,255,.03);border:1px solid rgba(255,255,255,.06);border-radius:16px;padding:24px;display:flex;flex-direction:column;gap:16px}.skeleton-quiz-card-header{display:flex;flex-direction:column;gap:8px}.skeleton-quiz-card-title{height:20px;width:80%;border-radius:6px}.skeleton-quiz-card-desc{height:14px;width:100%;border-radius:4px}.skeleton-quiz-card-meta{display:flex;gap:16px}.skeleton-quiz-card-stat{height:14px;width:80px;border-radius:4px}.skeleton-quiz-card-tags{display:flex;gap:8px}.skeleton-quiz-card-tag{height:28px;width:100px;border-radius:14px}.skeleton-quiz-card-footer{padding-top:16px;border-top:1px solid rgba(255,255,255,.06)}.skeleton-quiz-card-btn{height:16px;width:100px;border-radius:4px}.skeleton-exams{padding:32px 24px;max-width:1400px;margin:0 auto}.skeleton-exams-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:32px}.skeleton-exams-header-left{display:flex;flex-direction:column;gap:8px}.skeleton-exams-title{height:36px;width:180px;border-radius:8px}.skeleton-exams-subtitle{height:14px;width:240px;border-radius:4px}.skeleton-exams-search{width:300px;height:44px;border-radius:12px}.skeleton-exams-filters{display:flex;gap:12px;margin-bottom:24px;flex-wrap:wrap}.skeleton-exams-filter{height:40px;width:140px;border-radius:10px}.skeleton-exams-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));grid-gap:20px;gap:20px}.skeleton-exam-card{background:rgba(255,255,255,.03);border:1px solid rgba(255,255,255,.06);border-radius:16px;padding:20px;display:flex;flex-direction:column;gap:16px}.skeleton-exam-card-header{display:flex;align-items:flex-start;gap:16px}.skeleton-exam-card-icon{width:48px;height:48px;border-radius:12px;flex-shrink:0}.skeleton-exam-card-info{flex:1 1;display:flex;flex-direction:column;gap:6px}.skeleton-exam-card-name{height:16px;width:80%;border-radius:4px}.skeleton-exam-card-type{height:22px;width:70px;border-radius:11px}.skeleton-exam-card-meta{display:flex;flex-wrap:wrap;gap:8px}.skeleton-exam-card-badge{height:26px;width:90px;border-radius:13px}.skeleton-exam-card-footer{display:flex;gap:12px;padding-top:16px;border-top:1px solid rgba(255,255,255,.06)}.skeleton-exam-card-btn{flex:1 1;height:40px;border-radius:10px}.skeleton-profile{min-height:100vh;padding:32px 24px;max-width:var(--ds-container-md);margin:0 auto}.skeleton-profile-header{display:flex;gap:32px;margin-bottom:40px;padding-bottom:32px;border-bottom:1px solid rgba(255,255,255,.06)}.skeleton-profile-avatar{width:120px;height:120px;border-radius:50%;flex-shrink:0}.skeleton-profile-info{flex:1 1;display:flex;flex-direction:column;gap:12px}.skeleton-profile-name{height:32px;width:200px;border-radius:8px}.skeleton-profile-username{height:16px;width:120px;border-radius:4px}.skeleton-profile-badges{display:flex;gap:8px;margin-top:8px}.skeleton-profile-badge{height:28px;width:90px;border-radius:14px}.skeleton-profile-bio{margin-top:8px}.skeleton-profile-bio-line{height:14px;border-radius:4px;margin-bottom:8px}.skeleton-profile-meta{display:flex;gap:24px;margin-top:12px}.skeleton-profile-meta-item{display:flex;align-items:center;gap:8px}.skeleton-profile-meta-icon{width:16px;height:16px;border-radius:4px}.skeleton-profile-meta-text{height:14px;width:80px;border-radius:4px}.skeleton-profile-section{margin-bottom:32px}.skeleton-profile-section-title{height:24px;width:150px;border-radius:6px;margin-bottom:20px}.skeleton-profile-notes-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));grid-gap:16px;gap:16px}.skeleton-profile-note{background:rgba(255,255,255,.03);border:1px solid rgba(255,255,255,.06);border-radius:14px;padding:20px;display:flex;flex-direction:column;gap:12px}.skeleton-profile-note-title{height:18px;width:70%;border-radius:4px}.skeleton-profile-note-preview{display:flex;flex-direction:column;gap:6px}.skeleton-profile-note-line{height:12px;border-radius:3px}.skeleton-profile-note-footer{display:flex;justify-content:space-between;align-items:center;margin-top:8px}.skeleton-profile-note-subject{height:22px;width:70px;border-radius:11px}.skeleton-profile-note-date{height:12px;width:60px;border-radius:3px}.skeleton-admin{padding:32px 24px;max-width:1400px;margin:0 auto}.skeleton-admin-header{margin-bottom:32px}.skeleton-admin-subtitle{height:14px;width:80px;border-radius:4px;margin-bottom:8px}.skeleton-admin-title{height:36px;width:220px;border-radius:8px}.skeleton-admin-stats{display:grid;grid-template-columns:repeat(4,1fr);grid-gap:20px;gap:20px;margin-bottom:32px}.skeleton-admin-stat{background:rgba(255,255,255,.03);border:1px solid rgba(255,255,255,.06);border-radius:16px;padding:24px;display:flex;gap:16px}.skeleton-admin-stat-icon{width:48px;height:48px;border-radius:12px;flex-shrink:0}.skeleton-admin-stat-content{flex:1 1;display:flex;flex-direction:column;gap:8px}.skeleton-admin-stat-label{height:12px;width:80px;border-radius:3px}.skeleton-admin-stat-value{height:28px;width:60px;border-radius:6px}.skeleton-admin-stat-change{height:14px;width:70px;border-radius:4px}.skeleton-admin-grid{display:grid;grid-template-columns:repeat(2,1fr);grid-gap:24px;gap:24px}.skeleton-admin-card{background:rgba(255,255,255,.03);border:1px solid rgba(255,255,255,.06);border-radius:16px;padding:24px}.skeleton-admin-card-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:20px}.skeleton-admin-card-title{height:20px;width:140px;border-radius:5px}.skeleton-admin-card-link{height:16px;width:70px;border-radius:4px}.skeleton-admin-list{display:flex;flex-direction:column;gap:12px}.skeleton-admin-list-item{display:flex;align-items:center;gap:14px;padding:14px;background:rgba(255,255,255,.02);border-radius:12px}.skeleton-admin-list-avatar{width:40px;height:40px;border-radius:50%;flex-shrink:0}.skeleton-admin-list-content{flex:1 1;display:flex;flex-direction:column;gap:6px}.skeleton-admin-list-name{height:14px;width:120px;border-radius:4px}.skeleton-admin-list-email{height:12px;width:160px;border-radius:3px}.skeleton-admin-list-badges{display:flex;gap:6px}.skeleton-admin-list-badge{height:22px;width:60px;border-radius:11px}.skeleton-calendar{padding:32px 24px;max-width:var(--ds-container-lg);margin:0 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