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p,.subtle-empty{color:var(--muted);font-size:14px}.subtle-empty{text-align:center;border:1px dashed var(--border);border-radius:9px;padding:27px}.collection-summary{background:var(--surface);border:1px solid var(--border);color:var(--muted);border-radius:10px;align-items:center;gap:10px;padding:18px 20px;font-size:13px;display:flex}.collection-summary>svg{color:var(--blue)}.collection-summary strong{color:var(--text)}.collection-summary small{margin-left:auto;font-size:11px}.divider{background:var(--border);width:1px;height:17px;margin:0 10px}.reorder-controls{color:var(--muted);align-items:center;display:flex}.reorder-controls .icon-button{width:25px;height:25px}.modal{border:1px solid var(--border);background:var(--surface);color:var(--text);border-radius:16px;width:min(520px,100vw - 32px);max-height:90dvh;margin:auto;padding:27px;overflow:auto;box-shadow:0 24px 80px #101a3e33}.modal::backdrop{-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);background:#17253b70}.modal-heading{justify-content:space-between;align-items:center;gap:20px;margin-bottom:22px;display:flex}.modal-heading h2{font-size:21px}.form-row{grid-template-columns:1fr 1fr;gap:17px;display:grid}.modal-actions{border-top:1px solid var(--border);justify-content:flex-end;align-items:center;gap:10px;margin-top:22px;padding-top:20px;display:flex}.delete-button{color:var(--danger);margin-right:auto}.check-row{gap:24px;display:flex}.check-row label,.inline-check{align-items:center;gap:8px;font-size:13px;font-weight:400;display:flex}input[type=checkbox]{accent-color:#3975ef;width:16px;height:16px;margin:0}.form-error{color:var(--danger);margin-top:10px;font-size:13px}.emoji-options{flex-wrap:wrap;gap:8px;margin-top:-6px;margin-bottom:19px;display:flex}.emoji-options button{border:1px solid var(--border);background:var(--surface-soft);border-radius:8px;width:39px;height:36px}.emoji-options .selected{border-color:var(--blue);background:var(--blue-soft)}.confirm-box{background:var(--surface-soft);border:1px solid var(--border);border-radius:9px;margin-top:15px;padding:14px;font-size:14px}.confirm-box>div{gap:8px;margin-top:14px;display:flex}.settings-layout{grid-template-columns:minmax(0,1fr) 290px;align-items:start;gap:26px;max-width:1060px;display:grid}.settings-card{border:1px solid var(--border);background:var(--surface);border-radius:12px;margin-top:0;margin-bottom:22px;padding:25px}.settings-card h2,.settings-card p{margin-bottom:20px}.settings-card p{color:var(--muted);font-size:14px}.settings-card label{margin-bottom:17px}.theme-options{grid-template-columns:repeat(3,1fr);gap:13px;margin:4px 0 24px;display:grid}.theme-options button{border:1px solid var(--border);background:var(--surface-soft);color:var(--muted);border-radius:9px;flex-direction:column;align-items:center;gap:10px;padding:20px 9px;font-size:14px;display:flex;position:relative}.theme-options button.selected{border-color:var(--blue);background:var(--blue-soft);color:var(--blue)}.theme-options button>svg:last-child:not(:first-child){position:absolute;top:8px;right:8px}.backup-actions{flex-wrap:wrap;gap:12px;display:flex}.upload-label{cursor:pointer;margin:0!important}.upload-label:focus-within{outline:3px solid var(--blue)}.privacy-card{background:var(--blue-soft);border:1px solid var(--border);color:var(--blue);border-radius:12px;padding:26px}.privacy-card h3{margin:16px 0 12px}.privacy-card p{color:var(--muted);margin-top:12px;font-size:13px;line-height:1.8}.privacy-card>div{border-top:1px solid var(--border);margin-top:23px;padding-top:16px;font-size:12px}.privacy-card>div span{margin:0 7px}.privacy-card>small{opacity:.65;margin-top:12px;font-size:11px;display:block}.image-roadmap{background:var(--surface);border:1px solid var(--border);text-align:center;border-radius:14px;padding:45px}.image-roadmap-icon{background:var(--blue-soft);width:76px;height:76px;color:var(--blue);border-radius:20px;place-items:center;margin:0 auto 20px;display:grid}.image-roadmap>p{color:var(--muted);max-width:550px;margin:12px auto;font-size:14px}.image-feature-grid{grid-template-columns:repeat(4,1fr);gap:16px;margin:34px 0;display:grid}.image-feature-grid>div{background:var(--surface-soft);border:1px solid var(--border);border-radius:10px;padding:24px 12px}.image-feature-grid svg{color:var(--blue);margin:0 auto 16px}.image-feature-grid p{color:var(--muted);margin:8px 0;font-size:12px}.image-feature-grid small,.phase-badge{background:var(--blue-soft);color:var(--blue);border-radius:6px;padding:4px 9px;font-size:12px}.toast{background:var(--text);color:var(--surface);z-index:100;box-shadow:var(--shadow);border-radius:10px;max-width:calc(100vw - 32px);padding:13px 23px;font-size:14px;position:fixed;bottom:28px;left:50%;transform:translate(-50%)}.error-banner{color:var(--danger);border:1px solid #cc6767;border-radius:8px;margin-bottom:20px;padding:14px;font-size:14px}.loading{min-height:60vh;color:var(--muted);justify-content:center;align-items:center;gap:10px;display:flex}[data-size=compact] .tool-card{padding:13px}[data-size=compact] .event-card{padding:15px 18px 13px}[data-size=compact] .days{min-height:55px;margin:4px 0 10px}[data-size=compact] .days strong{font-size:40px}[data-size=compact] .tools-grid{gap:11px}[data-size=compact] .category-card{padding:13px 6px}@media (min-width:1550px){main{padding-top:42px}.tools-grid{grid-template-columns:repeat(4,minmax(0,1fr))}.event-card{padding:25px}.days strong{font-size:56px}.tool-card{padding:22px}.tool-link h3{font-size:16px}.tool-link p{font-size:13px}.category-card strong{font-size:14px}}@media (max-width:1200px){:root{--sidebar-width:219px}.sidebar{padding-left:15px;padding-right:15px}.brand{gap:8px;font-size:16px}.brand small{font-size:8px}main{padding:28px 25px}.topbar{gap:15px;padding:0 25px}.overview-strip>div{gap:10px;padding:0 15px}.overview-icon{width:34px;height:36px}.tools-grid{grid-template-columns:repeat(3,minmax(0,1fr))}.section-caption{display:none}.event-card{padding:18px 16px 14px}.category-grid{gap:9px}.settings-layout{grid-template-columns:minmax(0,1fr) 250px;gap:20px}.collection-summary small{display:none}.filter-bar{flex-wrap:wrap}.image-feature-grid{grid-template-columns:repeat(2,1fr)}}@media (max-width:960px){.breadcrumb{display:none}.overview-strip{grid-template-columns:repeat(2,1fr);row-gap:20px}.overview-strip>div:nth-child(2){border-right:0}.overview-strip>div{padding:0 25px}.category-grid{grid-template-columns:repeat(4,1fr)}.event-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.event-grid>.event-card:last-child:nth-child(3){grid-column:1/-1}.dashboard .event-grid>.event-card:last-child:nth-child(3) .days{margin-top:2px;margin-bottom:9px}.tools-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.welcome-countdown{padding:25px}.empty-calendar{display:none}.settings-layout{grid-template-columns:1fr}.privacy-card{max-width:none}.recent-empty{flex-wrap:wrap}.recent-empty .text-link{margin-left:32px}.live-clock strong,.page-heading h1{font-size:25px}.greeting-icon{display:none}}@media (max-width:720px){:root{--sidebar-width:0px}.sidebar{width:248px;transition:transform .2s;transform:translate(-100%)}.sidebar.open{transform:translate(0)}.sidebar-backdrop{-webkit-backdrop-filter:blur(2px);backdrop-filter:blur(2px);z-index:49;background:#14223c66;position:fixed;inset:0}.mobile-menu{display:inline-flex}.topbar{gap:10px;height:66px;padding:0 17px}.search-wrap{flex:1;width:auto;max-width:350px}.search-wrap input{font-size:12px}.top-avatar{width:29px;height:29px;font-size:11px}.theme-toggle{border:0;width:28px;padding:0}.search-wrap kbd{display:none}main{padding:25px 18px 18px}.page-heading{flex-wrap:wrap;align-items:flex-start;gap:14px;margin-bottom:23px}.page-heading h1{font-size:25px}.page-heading p{font-size:12px}.eyebrow{letter-spacing:.8px;font-size:9px}.live-clock strong{font-size:23px}.live-clock span{font-size:10px}.live-clock{margin-top:25px}.overview-strip{row-gap:18px;margin-bottom:23px;padding:18px 0}.overview-strip>div{padding:0 16px}.overview-strip strong{font-size:21px}.overview-strip>div>span:last-child{font-size:11px}.overview-strip .next-event strong{font-size:16px}.section-heading{align-items:center;gap:9px;margin-bottom:14px}.section-heading h2{gap:7px;font-size:15px}.section-heading>div{gap:10px}.section-heading .text-link,.small-button{font-size:11px}.small-button{gap:3px;padding:5px 8px}.section-heading>.small{font-size:10px}section{margin-top:24px}.welcome-countdown{padding:23px}.welcome-countdown h3{font-size:21px}.welcome-buttons{flex-wrap:wrap;gap:4px}.welcome-buttons .button{padding:9px 11px;font-size:12px}.event-grid{gap:12px}.event-card{padding:15px 13px 12px}.event-card h3{margin-top:12px;font-size:14px}.days strong{font-size:43px}.event-top{flex-wrap:wrap}.days .day-word{font-size:26px}.tools-grid{gap:12px}.tool-card{padding:14px}.tool-link h3{font-size:13px}.tool-icon{width:35px;height:35px;font-size:19px}.tool-actions .icon-button{width:23px}.category-grid{gap:10px}.category-card{padding:15px 5px}.category-card strong{font-size:11px}.category-icon{width:36px;height:36px}.recent-empty{gap:9px;padding:18px;font-size:11px}.recent-empty>span{flex:1}.recent-empty .text-link{margin-left:28px}.recent-list{padding:0 13px}.recent-list a{gap:9px}.recent-list .tag{display:none}.recent-list strong{font-size:12px}.page-footer{margin:15px 18px 0;font-size:9px}.search-results{width:min(400px,100vw - 32px);right:-45px}.filter-bar{gap:12px;margin:21px 0}.filter-tabs{width:100%}.filter-tabs button{padding:7px 11px;font-size:12px}.inline-search{width:100%}.collection-summary{gap:7px;padding:15px;font-size:12px}.divider{margin:0 5px}.empty-state{padding:45px 18px}.empty-state h3{font-size:18px}.empty-state p{font-size:13px}.settings-card{padding:20px}.privacy-card{padding:22px}.theme-options{gap:8px}.theme-options button{font-size:12px}.image-roadmap{padding:25px 18px}.image-roadmap h2{font-size:20px}.image-feature-grid{gap:10px}.image-feature-grid>div{padding:21px 10px}.image-feature-grid h3{font-size:14px}.image-feature-grid p{font-size:11px}.modal{padding:22px}.modal-actions{flex-wrap:wrap}}@media (max-width:390px){.live-clock{text-align:left;align-items:center;gap:12px;width:100%;margin-top:0;display:flex}.live-clock span{margin:0}.overview-strip>div{padding:0 11px}.event-grid{grid-template-columns:1fr}.event-grid>.event-card:last-child:nth-child(3){grid-column:auto}.category-grid{grid-template-columns:repeat(3,1fr)}.tools-grid{grid-template-columns:1fr}.top-avatar{display:none}.form-row{grid-template-columns:1fr;gap:0}.section-heading>div{gap:7px}}@media (prefers-reduced-motion:reduce){*,:after,:before{scroll-behavior:auto!important;transition:none!important;animation:none!important}}@property --tw-blur{syntax:"*";inherits:false}@property --tw-brightness{syntax:"*";inherits:false}@property --tw-contrast{syntax:"*";inherits:false}@property --tw-grayscale{syntax:"*";inherits:false}@property --tw-hue-rotate{syntax:"*";inherits:false}@property --tw-invert{syntax:"*";inherits:false}@property --tw-opacity{syntax:"*";inherits:false}@property --tw-saturate{syntax:"*";inherits:false}@property --tw-sepia{syntax:"*";inherits:false}@property --tw-drop-shadow{syntax:"*";inherits:false}@property --tw-drop-shadow-color{syntax:"*";inherits:false}@property --tw-drop-shadow-alpha{syntax:"<percentage>";inherits:false;initial-value:100%}@property --tw-drop-shadow-size{syntax:"*";inherits:false}.privacy-badge{display:inline-flex;align-items:center;gap:7px;background:var(--blue-soft);color:var(--blue);border-radius:8px;padding:8px 12px;font-size:13px}.grade-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.grade-card{display:flex;align-items:center;text-align:left;gap:16px;padding:22px;background:var(--surface);border:1px solid var(--border);border-radius:12px}.grade-card.selected{background:var(--blue-soft);border-color:var(--blue)}.grade-number{font-size:36px;font-weight:600;letter-spacing:-1px;color:var(--blue);opacity:.65}.grade-card h2{font-size:18px}.grade-card p{font-size:12px;color:var(--muted);margin-top:4px}.grade-card p span{margin:0 6px}.grade-card>svg{margin-left:auto;color:var(--blue);opacity:.65}.material-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}.material-card{border:1px solid var(--border);border-radius:12px;background:var(--surface);overflow:hidden}.material-cover{display:flex;flex-direction:column;align-items:center;justify-content:center;width:100%;height:160px;background:linear-gradient(125deg,#edf2ff,#e0eafb);color:#7799d4;position:relative;gap:12px}.material-cover.lesson-plan{background:linear-gradient(125deg,#eaf7f4,#def0e9);color:#70a895}.material-cover>span{position:absolute;top:14px;left:15px;font-size:11px;border:1px solid;padding:1px 7px;border-radius:5px}.material-cover>small{font-size:12px}.material-info{padding:20px}.material-tags{display:flex;justify-content:space-between;align-items:center;margin-bottom:11px}.material-info h3{overflow-wrap:anywhere;line-height:1.6}.material-info>p{color:var(--muted);font-size:13px;margin-top:7px;overflow:hidden;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;height:42px;overflow-wrap:anywhere}.material-bottom{display:flex;align-items:center;justify-content:space-between;border-top:1px solid var(--border);margin-top:16px;padding-top:11px;gap:8px}.material-bottom>span{font-size:11px;color:var(--muted);white-space:nowrap}.material-bottom>div{display:flex}.library-note{display:flex;align-items:flex-start;gap:8px;color:var(--muted);font-size:13px;margin-top:26px;padding:14px 0}.library-note>svg{flex-shrink:0;margin-top:3px}.material-upload{display:flex;flex-direction:column;align-items:center;text-align:center;gap:10px;border:1px dashed var(--blue);background:var(--blue-soft);border-radius:10px;padding:24px;cursor:pointer}.material-upload svg{color:var(--blue)}.material-upload strong{font-size:14px;overflow-wrap:anywhere}.material-upload span{font-size:12px;color:var(--muted)}.material-upload input{font-size:12px;background:var(--surface);cursor:pointer}.document-preview img{max-width:100%;max-height:60vh;object-fit:contain;margin:auto;display:block}.document-preview iframe{width:100%;height:60vh;border:1px solid var(--border)}.document-preview pre{white-space:pre-wrap;word-break:break-word;background:var(--surface-soft);padding:16px;font:14px/1.8 var(--font-sans);max-height:55vh;overflow:auto}.office-preview{text-align:center;padding:24px}.office-preview svg{margin:0 auto 18px;color:var(--blue)}.office-preview h3{overflow-wrap:anywhere}.office-preview p{font-size:14px;color:var(--muted);margin-top:14px}.exam-layout{display:grid;grid-template-columns:260px minmax(0,1fr);gap:24px;align-items:start}.exam-settings{margin:0;padding:24px;background:var(--surface);border:1px solid var(--border);border-radius:12px}.exam-settings h2{margin-bottom:24px}.duration-presets{display:flex;flex-wrap:wrap;gap:8px;margin:-2px 0 24px}.duration-presets button{background:var(--surface-soft);border:1px solid var(--border);border-radius:6px;font-size:12px;padding:7px 9px}.duration-presets button.selected{color:var(--blue);border-color:var(--blue);background:var(--blue-soft)}.exam-stage{background:var(--surface);border:1px solid var(--border);border-radius:16px;padding:25px 34px 36px;text-align:center;box-shadow:var(--shadow)}.exam-stage-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:35px}.exam-stage-top>span{display:flex;gap:7px;align-items:center;color:var(--muted);font-size:13px}.exam-status-dot{width:7px;height:7px;background:var(--blue);border-radius:50%}.exam-stage h2{font-size:25px;letter-spacing:2px}.exam-subtitle{font-size:14px;color:var(--muted);margin-top:9px}.exam-digits{font-size:clamp(45px,5.6vw,100px);font-weight:650;letter-spacing:-2px;color:var(--blue);font-variant-numeric:tabular-nums;line-height:1.25;margin-top:27px;white-space:nowrap;font-family:ui-monospace,SFMono-Regular,Consolas,monospace}.exam-unit-labels{display:flex;justify-content:center;gap:19%;font-size:12px;color:var(--muted);margin-top:6px}.exam-progress{height:6px;border-radius:4px;background:var(--border);margin-top:35px;overflow:hidden}.exam-progress span{height:100%;display:block;background:var(--blue);border-radius:4px;transition:width .25s}.exam-timing-info{display:flex;justify-content:space-between;gap:12px;color:var(--muted);font-size:12px;margin-top:12px}.exam-buttons{display:flex;justify-content:center;gap:12px;margin-top:36px}.exam-buttons .primary{padding:13px 25px}.exam-ended{display:flex;justify-content:center;gap:9px;align-items:center;margin-top:22px;color:var(--danger);font-size:16px}.exam-finished .exam-digits,.exam-urgent .exam-digits{color:#e18342}.exam-urgent .exam-progress span{background:#e18342}.exam-stage:fullscreen{border-radius:0;border:0;display:flex;flex-direction:column;align-items:center;justify-content:center;width:100vw;height:100dvh;background:var(--bg);padding:4vh 8vw}.exam-stage:fullscreen .exam-stage-top{position:absolute;top:24px;left:30px;right:30px}.exam-stage:fullscreen h2{font-size:clamp(24px,4vw,64px)}.exam-stage:fullscreen .exam-digits{font-size:clamp(65px,15vw,260px);letter-spacing:-.035em}.exam-stage:fullscreen .exam-subtitle{font-size:22px}.exam-stage:fullscreen .exam-progress,.exam-stage:fullscreen .exam-timing-info,.exam-stage:fullscreen .exam-unit-labels{width:85%}.exam-stage:fullscreen .exam-unit-labels{gap:25%;font-size:20px}.exam-stage:fullscreen .exam-timing-info{font-size:18px}.image-mode-tabs{display:flex;gap:8px;background:var(--surface);border:1px solid var(--border);border-radius:10px;padding:7px;margin-bottom:24px}.image-mode-tabs button{flex:1;display:flex;align-items:center;justify-content:center;gap:10px;background:transparent;color:var(--muted);border-radius:7px;padding:12px 8px;font-size:14px}.image-mode-tabs .selected{background:var(--blue-soft);color:var(--blue);font-weight:600}.image-dropzone{min-height:370px;border:1px dashed 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