@layer theme{:root,:host{--font-sans:"Inter", "Segoe UI", -apple-system, BlinkMacSystemFont, sans-serif;--font-mono:ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;--default-font-family:var(--font-sans);--default-mono-font-family:var(--font-mono)}}@layer base{*,:after,:before,::backdrop{box-sizing:border-box;border:0 solid;margin:0;padding:0}::file-selector-button{box-sizing:border-box;border:0 solid;margin:0;padding:0}html,:host{-webkit-text-size-adjust:100%;tab-size:4;line-height:1.5;font-family:var(--default-font-family,-apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", "Noto Sans", Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji");font-feature-settings:var(--default-font-feature-settings,normal);font-variation-settings:var(--default-font-variation-settings,normal);-webkit-tap-highlight-color:transparent}hr{height:0;color:inherit;border-top-width:1px}abbr:where([title]){-webkit-text-decoration:underline dotted;text-decoration:underline dotted}h1,h2,h3,h4,h5,h6{font-size:inherit;font-weight:inherit}a{color:inherit;-webkit-text-decoration:inherit;text-decoration:inherit}b,strong{font-weight:bolder}code,kbd,samp,pre{font-family:var(--default-mono-font-family,ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace);font-feature-settings:var(--default-mono-font-feature-settings,normal);font-variation-settings:var(--default-mono-font-variation-settings,normal);font-size:1em}small{font-size:80%}sub,sup{vertical-align:baseline;font-size:75%;line-height:0;position:relative}sub{bottom:-.25em}sup{top:-.5em}table{text-indent:0;border-color:inherit;border-collapse:collapse}:-moz-focusring:where(:not(iframe)){outline:auto}progress{vertical-align:baseline}summary{display:list-item}ol,ul,menu{list-style:none}img,svg,video,canvas,audio,iframe,embed,object{vertical-align:middle;display:block}img,video{max-width:100%;height:auto}button,input,select,optgroup,textarea{font:inherit;font-feature-settings:inherit;font-variation-settings:inherit;letter-spacing:inherit;color:inherit;opacity:1;background-color:#0000;border-radius:0}::file-selector-button{font:inherit;font-feature-settings:inherit;font-variation-settings:inherit;letter-spacing:inherit;color:inherit;opacity:1;background-color:#0000;border-radius:0}:where(select:is([multiple],[size])) optgroup{font-weight:bolder}:where(select:is([multiple],[size])) optgroup option{padding-inline-start:20px}::file-selector-button{margin-inline-end:4px}::placeholder{opacity:1}@supports (not ((-webkit-appearance:-apple-pay-button))) or (contain-intrinsic-size:1px){::placeholder{color:currentColor}@supports (color:color-mix(in lab,red,red)){::placeholder{color:color-mix(in oklab,currentcolor 50%,transparent)}}}textarea{resize:vertical}::-webkit-search-decoration{-webkit-appearance:none}::-webkit-date-and-time-value{min-height:1lh;text-align:inherit}::-webkit-datetime-edit{display:inline-flex}::-webkit-datetime-edit-fields-wrapper{padding:0}::-webkit-datetime-edit{padding-block:0}::-webkit-datetime-edit-year-field{padding-block:0}::-webkit-datetime-edit-month-field{padding-block:0}::-webkit-datetime-edit-day-field{padding-block:0}::-webkit-datetime-edit-hour-field{padding-block:0}::-webkit-datetime-edit-minute-field{padding-block:0}::-webkit-datetime-edit-second-field{padding-block:0}::-webkit-datetime-edit-millisecond-field{padding-block:0}::-webkit-datetime-edit-meridiem-field{padding-block:0}::-webkit-calendar-picker-indicator{line-height:1}:-moz-ui-invalid{box-shadow:none}button,input:where([type=button],[type=reset],[type=submit]){appearance:button}::file-selector-button{appearance:button}::-webkit-inner-spin-button{height:auto}::-webkit-outer-spin-button{height:auto}[hidden]:where(:not([hidden=until-found])){display:none!important}}@layer components;@layer utilities{.hidden{display:none}.grow{flex-grow:1}.resize{resize:both}.overline{text-decoration-line:overline}}.library-breadcrumb{color:#99a9bf;flex-wrap:wrap;align-items:center;gap:9px;margin-bottom:22px;font-size:11px;display:flex}.library-breadcrumb button{color:#6e93c4;background:0 0;border:0;padding:0}.library-breadcrumb strong{color:#8799b2;font-weight:500}.collection-filters{flex-wrap:wrap;gap:7px;margin:8px 0 27px;display:flex}.collection-filters button{color:#93a3b9;background:#fff;border:1px solid #e3eaf4;border-radius:7px;padding:7px 13px;font-size:11px}.collection-filters button.active{color:#4e89df;background:#eaf2ff;border-color:#d2e3fe}.collection-heading{justify-content:space-between;align-items:center;margin:22px 0 17px;display:flex}.collection-heading h2{font-size:16px}.collection-heading>span{color:#9aacc3;font-size:11px}.collection-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;display:grid}.collection-card{text-align:left;background:#fff;border:1px solid #e2eaf5;border-radius:12px;align-items:center;gap:15px;min-height:106px;padding:23px 20px;display:flex}.collection-card:hover{background:#fcfdff;border-color:#bed3f0;box-shadow:0 5px 20px #35619c09}.collection-card>div{flex:1}.collection-card h3{font-size:13px;line-height:1.6}.collection-card p{color:#9aaac0;margin-top:5px;font-size:10px}.collection-card>svg{color:#b1c1d7}.collection-icon{color:#8ca8d4;background:#edf3fe;border-radius:12px;flex-shrink:0;place-items:center;width:46px;height:49px;display:grid}.collection-icon.tone-1{color:#ab98c6;background:#f3effb}.collection-icon.tone-2{color:#91b4a1;background:#edf6f1}.topics-grid .collection-card{min-height:89px;padding:17px}.topics-grid .collection-icon{border-radius:9px;width:36px;height:39px}.topics-grid .collection-card h3{font-size:12px}.topic-library-heading{justify-content:space-between;align-items:center;gap:20px;margin-bottom:24px;display:flex}.topic-library-heading h2{font-size:21px}.topic-library-heading p{color:#9babc0;margin-top:6px;font-size:10px}.task-navigation{background:#f7faff;border-block:1px solid #e8eff9;margin-bottom:6px;padding:8px 16px}.task-navigation>div:first-child{margin-bottom:7px}.task-navigation span{color:#7a94b8;font-size:10px;display:block}.task-navigation small{color:#a5b5c9;margin-top:3px;font-size:8px;display:block}.task-navigation>div:last-child{gap:7px;display:flex}.task-navigation .btn{flex:1;padding:8px 9px;font-size:10px}.task-navigation .btn svg{width:13px}.difficulty.unspecified{color:#a4adbb;background:#fafbfd;font-size:7px}@media(max-width:1200px){.collection-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.task-navigation .btn{gap:3px;padding-inline:5px;font-size:9px}}@media(max-width:760px){.collection-grid{grid-template-columns:1fr}.collection-card{min-height:85px}.topic-library-heading{flex-direction:column;align-items:flex-start}.topic-library-heading h2{font-size:17px}}:root{font-family:var(--font-sans);color:#263349;font-synthesis:none;--blue:#3479ed;--muted:#8792a3;--line:#e9edf3;--shadow:0 3px 16px #243a5d03;background:#f6f8fb;font-size:14px;font-weight:400;line-height:1.5}*{box-sizing:border-box}body{min-width:360px;margin:0}button,input,textarea,select{font:inherit}button,a,input,select,textarea{-webkit-tap-highlight-color:transparent}button,a{touch-action:manipulation}button{cursor:pointer}button:disabled{cursor:not-allowed;opacity:.4}button{color:inherit}a{color:inherit;text-decoration:none}img{max-width:100%;display:block}h1,h2,h3,p{margin:0}h1{letter-spacing:-.7px;font-size:28px;font-weight:650;line-height:1.3}h2{letter-spacing:-.25px;font-size:17px;font-weight:650}h3{font-size:14px;font-weight:600}small{color:var(--muted);font-size:12px}p{line-height:1.65}strong{font-weight:600}input,textarea,select{color:#263349;background:#fff;border:1px solid #dfe5ee;border-radius:8px;outline:none;width:100%;min-width:0;padding:10px 12px;transition:border-color .15s,box-shadow .15s}input::placeholder,textarea::placeholder{color:#a0a9b7}input:focus,textarea:focus,select:focus{border-color:#7ca9f5;box-shadow:0 0 0 3px #377cef12}input:disabled,textarea:disabled,select:disabled{color:#7a8798;background:#f5f7fa}input[type=checkbox]{width:16px;height:16px;accent-color:var(--blue);flex:none}input[type=range]{accent-color:var(--blue);padding:0}textarea{resize:vertical;min-height:65px}select{cursor:pointer;padding-right:26px}button:focus-visible,a:focus-visible{outline-offset:3px;outline:3px solid #8ab6ff}svg{flex-shrink:0}.grow{flex:1;min-width:0}.muted{color:var(--muted)}.pre-wrap{white-space:pre-wrap}.text-danger{color:#bc4b56}.text-success{color:#29896d}.full{width:100%}.button-row{align-items:center;gap:8px;display:flex}.eyebrow{letter-spacing:1.5px;color:#94a0b1;margin-bottom:10px;font-size:10px;font-weight:650}.btn{white-space:nowrap;border:1px solid #0000;border-radius:8px;justify-content:center;align-items:center;gap:8px;min-height:39px;padding:9px 15px;font-size:12px;font-weight:600;transition:background .15s,box-shadow .15s;display:inline-flex}.btn.primary{background:var(--blue);color:#fff;box-shadow:0 3px 7px #3479ed18}.btn.primary:hover{background:#2469da}.btn.secondary{color:#546277;background:#fff;border-color:#e0e6ee;box-shadow:0 1px 2px #273e5703}.btn.secondary:hover{background:#f8faff;border-color:#c4d2e5}.btn.ghost{color:#5b7eaf;background:0 0;min-height:32px;padding:6px 9px}.btn.ghost:hover{background:#edf3fc}.btn.danger{color:#bd4655;background:#fff1f1;border-color:#f1d3d6}.icon-btn{background:0 0;border:1px solid #0000;border-radius:7px;flex-shrink:0;justify-content:center;align-items:center;width:32px;height:32px;display:inline-flex}.icon-btn:hover{background:#edf2f9}.icon-btn.selected{color:var(--blue);background:#eaf2ff;border-color:#d5e4fb}.badge{color:#7e8a9b;white-space:nowrap;background:#f1f3f7;border-radius:5px;align-items:center;gap:5px;padding:4px 8px;font-size:10px;font-weight:550;line-height:1.4;display:inline-flex}.badge.active,.badge.mastered,.badge.completed{color:#369478;background:#eaf7f1}.badge.learning,.badge.in_progress{color:#397dde;background:#eaf2ff}.badge.repeat,.badge.paused{color:#af873b;background:#fff4df}.badge.cancelled{color:#b76873;background:#faeded}.badge.rescheduled{color:#8d6ec0;background:#f1ebff}.avatar{color:#8e80ba;background:#ecedff;border-radius:12px;flex-shrink:0;justify-content:center;align-items:center;width:38px;height:38px;font-size:12px;font-weight:600;display:inline-flex}.avatar.large{border-radius:17px;width:55px;height:55px;font-size:18px}.color-1{color:#6d99c6;background:#e7f0fc}.color-2{color:#c69172;background:#fbece3}.color-3{color:#6ba286;background:#e3f1e9}.color-4{color:#bc819c;background:#f8e8ef}.progress{background:#edf1f7;border-radius:10px;flex:1;height:5px;overflow:hidden}.progress>span{background:#7d9ee9;border-radius:10px;height:100%;display:block}.panel{border:1px solid var(--line);box-shadow:var(--shadow);background:#fff;border-radius:13px;overflow:hidden}.section-head{justify-content:space-between;align-items:center;gap:15px;padding:23px 24px 20px;display:flex}.section-head p{color:#98a1af;margin-top:4px;font-size:12px}.section-head>a{color:#7c8ba1;align-items:center;gap:7px;font-size:11px;display:flex}.section-head>a:hover{color:var(--blue)}.page-title{justify-content:space-between;align-items:center;gap:20px;margin-bottom:29px;display:flex}.page-title p{color:#929caa;margin-top:8px;font-size:13px}.page-actions{align-items:center;gap:10px;display:flex}.app-shell{min-height:100vh;display:flex}.sidebar{z-index:20;background:#fff;border-right:1px solid #e9edf3;flex-direction:column;width:226px;padding:31px 17px 0;display:flex;position:fixed;inset:0 auto 0 0}.brand{letter-spacing:-.8px;align-items:center;gap:10px;padding:0 12px;font-size:23px;font-weight:700;display:flex}.brand img{width:34px;height:34px}.brand-dot{color:var(--blue)}.workspace-label{color:#a7aeba;letter-spacing:1.25px;margin:43px 14px 15px;font-size:9px;font-weight:600}.sidebar nav{flex-direction:column;gap:7px;display:flex}.sidebar nav a{color:#8994a5;border-radius:8px;align-items:center;gap:12px;height:45px;padding:0 15px;font-size:12px;font-weight:500;display:flex}.sidebar nav a.active{color:#387bef;background:#edf4ff;font-weight:600}.sidebar nav a:hover{background:#f6f8fc}.sidebar nav a.active:hover{background:#e8f1ff}.nav-dot{background:#b3c7e6;border-radius:50%;width:5px;height:5px;margin-left:auto}.sidebar-bottom{margin-top:auto;padding-top:35px}.sidebar-note{color:#99afd0;background:#fbfcff;border:1px solid #edf1f7;border-radius:10px;margin:0 9px 25px;padding:18px 15px}.sidebar-note strong{color:#6e819e;margin:11px 0 6px;font-size:11px;display:block}.sidebar-note p{color:#99a5b8;font-size:10px;line-height:1.8}.sidebar-note a{color:#5c86c4;align-items:center;gap:10px;margin-top:15px;font-size:10px;display:flex}.profile{border-top:1px solid var(--line);align-items:center;gap:9px;padding:20px 1px 23px;display:flex}.profile .avatar{color:#a4acb8;background:#eff2f6;border-radius:50%;width:32px;height:32px;font-size:11px}.profile>span:nth-child(2){flex:1}.profile strong{font-size:11px;display:block}.profile small{margin-top:3px;font-size:8px;display:block}.profile>svg{color:#a6b1c1}.main-shell{flex-direction:column;flex:1;min-width:0;margin-left:226px;display:flex}.topbar{color:#a3adbc;background:#fff9;border-bottom:1px solid #e8ecf1;justify-content:space-between;align-items:center;gap:15px;height:72px;padding:0 36px;font-size:11px;display:flex}.topbar strong{color:#69788e;font-weight:500}.slash{color:#d1d7e0;padding:0 13px}.topbar-right{align-items:center;gap:22px;display:flex}.top-date{color:#8d9aad;align-items:center;gap:8px;display:flex}.demo-label{color:#9aabc1;align-items:center;gap:6px;font-size:10px;display:flex}.demo-label>span{background:#93baab;border-radius:100%;width:5px;height:5px}.content{flex:1;width:100%;max-width:1660px;margin:0 auto;padding:34px 36px 20px}.app-footer{color:#b1b9c6;justify-content:space-between;padding:18px 38px 22px;font-size:9px;display:flex}.stat-grid{grid-template-columns:repeat(3,1fr);gap:18px;margin-bottom:25px;display:grid}.stat{border:1px solid var(--line);background:#fff;border-radius:11px;align-items:center;gap:17px;padding:22px;display:flex}.stat-icon{color:#638ce0;background:#eef3ff;border-radius:12px;place-items:center;width:43px;height:43px;display:grid}.stat-icon.tone-1{color:#79ad9e;background:#eef7f5}.stat-icon.tone-2{color:#a091cd;background:#f2effe}.stat-value{letter-spacing:-.6px;align-items:baseline;gap:12px;font-size:27px;font-weight:600;line-height:1.2;display:flex}.stat-value>span{letter-spacing:0;color:#768398;font-size:11px;font-weight:500}.stat p{color:#a6afbd;margin-top:7px;font-size:10px}.dashboard-grid{grid-template-columns:minmax(0,1fr) 300px;gap:23px;display:grid}.dashboard-main,.dashboard-aside{flex-direction:column;gap:23px;display:flex}.next-lesson{isolation:isolate;background:#edf4fe;border:1px solid #dfebfc;border-radius:13px;min-height:272px;padding:24px 27px;position:relative;overflow:hidden}.next-top{justify-content:space-between;align-items:center;display:flex}.overline{letter-spacing:1.5px;color:#6d8bb6;align-items:center;gap:8px;font-size:9px;font-weight:600;display:flex}.live-dot{background:#7ca6ef;border-radius:100%;flex-shrink:0;width:6px;height:6px;display:inline-block}.pill{color:#7290b8;background:#ffffff70;border:1px solid #d6e5fa;border-radius:5px;padding:4px 9px;font-size:10px}.next-person{align-items:center;gap:13px;margin-top:22px;display:flex}.next-person .avatar{color:#869ccb;background:#fff;box-shadow:0 4px 15px #5c7bad09}.next-person h2{letter-spacing:-.5px;font-size:22px}.next-person p{color:#88a0be;margin-top:4px;font-size:11px}.next-person p span{padding:0 6px}.next-subject{color:#5b779e;align-items:center;gap:8px;margin-top:19px;font-size:12px;display:flex}.next-subject .muted{color:#97acc8;font-size:11px}.next-step{color:#8ca3c0;margin-top:7px;font-size:11px}.next-bottom{align-items:center;gap:20px;margin-top:21px;display:flex}.next-bottom .btn{font-size:11px}.next-bottom a{color:#7b98c0;align-items:center;gap:6px;font-size:10px;display:flex}.geometry-decoration{z-index:-1;opacity:.25;width:195px;position:absolute;top:56px;right:-2px;transform:rotate(-12deg)}.geometry-decoration svg{stroke:#8bacdb;stroke-width:1px;fill:none}.geometry-decoration circle:not(:first-child){fill:#8bacdb;stroke:none}.continue-row{border-top:1px solid #f0f2f7;align-items:center;gap:13px;padding:16px 24px;display:flex}.continue-row:hover{background:#fbfcff}.continue-row strong{font-size:12px}.continue-row p{color:#94a0b1;margin-top:3px;font-size:11px}.continue-row small{color:#a7b1bf;margin-top:2px;font-size:9px;display:block}.continue-row>svg{color:#b1bed0}.mini-progress{text-align:right;width:65px;margin-right:7px}.mini-progress>span{color:#9cabc0;margin-bottom:7px;font-size:10px;display:block}.teaser-grid{grid-template-columns:repeat(3,1fr);gap:14px;padding:0 24px 24px;display:grid}.teaser-card{overflow:hidden}.teaser-image{background:#fcfcfe;border:1px solid #e9edf2;border-radius:7px;height:104px;padding:6px;overflow:hidden}.teaser-image img{object-fit:contain;width:100%;height:100%}.teaser-card>small{color:#9aabc1;margin-top:9px;font-size:8px;display:block}.teaser-card>strong{margin-top:4px;font-size:11px;display:block}.today-panel .section-head{padding:23px 21px 18px}.today-panel h2,.activity-panel h2{font-size:15px}.week-strip{border-bottom:1px solid #f0f2f6;gap:4px;padding:0 16px 20px;display:flex}.week-strip>div{text-align:center;color:#a0aabc;border-radius:8px;flex:1;padding:7px 0;font-size:10px}.week-strip>div>span{text-transform:capitalize;font-size:9px;display:block}.week-strip strong{margin-top:5px;font-size:12px;font-weight:500;display:block}.week-strip .current{background:var(--blue);color:#fff;box-shadow:0 3px 7px #2c7bea20}.agenda{padding:7px 20px 5px}.agenda-item{text-align:left;background:0 0;border:0;border-bottom:1px solid #f1f3f6;align-items:stretch;gap:13px;width:100%;padding:18px 0;display:flex}.agenda-item:last-child{border-bottom:0}.agenda-item:hover strong{color:var(--blue)}.agenda-time{color:#76879e;flex:none;width:34px;font-size:11px;font-weight:550;line-height:1.4}.agenda-time small{color:#aeb8c7;margin-top:5px;font-size:9px;display:block}.agenda-line{background:#a99dde;border-radius:5px;flex:none;width:3px}.agenda-line.color-1{background:#8bb6d9}.agenda-line.color-2{background:#edbf97}.agenda-line.color-3{background:#96c5b0}.agenda-line.color-4{background:#d8a2bb}.agenda-item strong{font-size:11px;font-weight:550}.agenda-item p{color:#9ba6b5;margin-top:4px;font-size:10px;line-height:1.4}.agenda-item small{margin-top:4px;font-size:9px;display:block}.agenda-item.cancelled{opacity:.45;text-decoration:line-through}.panel-bottom-link{color:#8399b6;border-top:1px solid #edf1f6;justify-content:space-between;align-items:center;padding:14px 21px;font-size:10px;display:flex}.activity-panel{padding-bottom:11px}.activity-panel .section-head{padding:22px 21px 9px}.activity-panel .section-head>svg{color:#a1b0c5}.activity{gap:11px;padding:13px 20px;display:flex}.activity-dot{color:#8bb5a1;background:#edf7f2;border-radius:50%;place-items:center;width:19px;height:19px;margin-top:3px;display:grid}.activity p{color:#78899f;font-size:10px}.activity small{color:#a5b0bf;font-size:9px}.activity-panel>p{padding:20px}.toolbar{flex-wrap:wrap;align-items:center;gap:12px;margin-bottom:20px;display:flex}.toolbar>select{width:auto;min-width:160px;max-width:215px;height:39px;font-size:12px}.toolbar>.muted{margin-left:auto;font-size:11px}.search{color:#a2adbd;background:#fff;border:1px solid #e0e6ef;border-radius:8px;flex:1;align-items:center;gap:9px;min-width:210px;height:40px;padding:0 12px;display:flex}.search input{box-shadow:none;background:0 0;border:0;padding:8px 0;font-size:12px}.student-table-head,.student-table-row{grid-template-columns:1.4fr 1.35fr 1fr 100px 20px;align-items:center;gap:20px;padding:21px 25px;display:grid}.student-table-head{color:#97a3b3;background:#fcfdff;padding-block:15px;font-size:10px}.student-table-row{border-top:1px solid #edf0f5}.student-table-row:hover{background:#fbfcff}.person{align-items:center;gap:12px;display:flex}.person strong{font-size:12px}.person small,.person p{color:#97a3b3;margin-top:4px;font-size:10px;display:block}.student-current strong{font-size:11px;font-weight:500;display:block}.student-current small{color:#a4adbc;margin-top:4px;font-size:10px;display:block}.table-progress{max-width:120px}.table-progress>span{color:#9aa9be;margin-bottom:8px;font-size:10px;display:block}.student-table-row>.badge{justify-self:start}.student-table-row>svg{color:#b1bdd0}.back-link{color:#8c9cb1;align-items:center;gap:7px;margin-bottom:20px;font-size:11px;display:inline-flex}.student-detail-grid{grid-template-columns:minmax(0,1fr) 290px;gap:24px;display:grid}.resume-panel{background:#edf4ff;border:1px solid #dce9fc;border-radius:12px;margin-bottom:24px;padding:25px}.resume-panel h2{font-size:20px;font-weight:550}.resume-panel p{color:#7090ba;align-items:center;gap:8px;margin-top:9px;font-size:12px;display:flex}.resume-panel .eyebrow{color:#7d9cc9}.program-progress{color:#8e9eb3;align-items:center;gap:16px;padding:0 25px 21px;font-size:11px;display:flex}.program-progress .progress>span{background:#79a2ec}.topic-item{border-top:1px solid #edf1f5}.topic-heading{align-items:center;gap:6px;padding:17px 18px;display:flex}.topic-expand{text-align:left;background:0 0;border:0;flex:1;align-items:center;gap:13px;min-width:0;padding:0;display:flex}.topic-number{color:#9aabc1;background:#f2f5f9;border:1px solid #e9eef4;border-radius:8px;flex-shrink:0;place-items:center;width:31px;height:31px;font-size:11px;display:grid}.mastered .topic-number{color:#74a58f;background:#edf7f2}.learning .topic-number{color:#7a9bd1;background:#eef4ff}.topic-expand small{margin-bottom:3px;font-size:9px;display:block}.topic-expand strong{font-size:12px;display:block}.topic-heading .badge{margin-right:6px}.topic-body{padding:0 22px 19px 63px}.topic-note{white-space:pre-wrap;margin:9px 0;font-size:12px}.topic-note small{margin-bottom:2px;font-size:10px;display:block}.topic-actions{flex-wrap:wrap;align-items:center;gap:9px;margin-top:10px;display:flex}.topic-actions>.icon-btn{color:#c19a9f;margin-left:auto}.topic-actions .btn{font-size:10px}.attached-material{background:#fafcff;border:1px solid #e6ecf5;border-radius:7px;justify-content:space-between;gap:8px;margin:10px 0;padding:5px 8px;display:flex}.attached-material>button:first-child{text-align:left;color:#7290b7;background:0 0;border:0;align-items:center;gap:7px;font-size:11px;display:flex}.attached-material>.icon-btn{color:#b3bfce}.student-info{flex-direction:column;align-items:flex-start;gap:8px;margin-bottom:22px;padding:25px;display:flex}.student-info .badge{margin-top:5px}.student-info h3{margin-top:14px}.student-info>small{margin-top:12px;font-size:10px}.student-info p{color:#728299;font-size:12px}.student-info>a{color:#6388bc;justify-content:space-between;align-self:stretch;align-items:center;margin-top:17px;font-size:11px;display:flex}.homework-panel{padding-bottom:15px}.homework-panel h2{font-size:14px}.homework-panel .section-head{padding:19px 20px 10px}.homework{color:#75869c;align-items:flex-start;gap:10px;padding:13px 20px;font-size:11px;display:flex}.homework input{margin-top:3px}.homework.done span{color:#b0bac7;text-decoration:line-through}.homework small{margin-top:4px;font-size:9px;display:block}.homework-panel>p{padding:10px 20px;font-size:11px}.delete-student{margin-top:18px;font-size:10px;color:#c0959e!important}.results-line{color:#8d9db2;justify-content:space-between;align-items:center;margin:23px 0 17px;font-size:11px;display:flex}.results-line select{background:0 0;border:0;width:145px;padding-block:4px;font-size:11px}.material-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;display:grid}.material-card{text-align:left;background:#fff;border:1px solid #e3e9f2;border-radius:11px;transition:border-color .15s,box-shadow .15s;overflow:hidden}.material-card:hover{border-color:#b7cef0;box-shadow:0 5px 15px #314e7610}.material-image{color:#bbc7d8;background:#fbfcfe;border-bottom:1px solid #edf0f6;justify-content:center;align-items:center;height:172px;padding:13px 13px 24px;display:flex;position:relative}.material-image img{object-fit:contain;width:100%;height:100%}.difficulty{color:#91a0b5;background:#fff;border:1px solid #e9edf5;border-radius:5px;padding:3px 7px;font-size:8px;position:absolute;top:11px;right:11px}.difficulty.hard{color:#ac93c4;background:#f9f5ff}.difficulty.easy{color:#83a799;background:#f2f9f5}.material-info{padding:17px 18px 0}.material-meta{color:#95a5bb;gap:8px;font-size:9px;display:flex}.material-meta>span:first-child{color:#6390c7}.material-info h3{margin-top:9px;font-size:13px}.material-info>p{color:#a0adbf;align-items:center;gap:3px;min-height:16px;margin-top:6px;font-size:9px;display:flex}.material-footer{color:#a2b0c3;border-top:1px solid #edf1f6;justify-content:space-between;align-items:center;margin-top:16px;padding:12px 0;font-size:9px;display:flex}.material-footer>span{align-items:center;gap:6px;display:flex}.pagination{color:#8c9aaf;justify-content:center;align-items:center;gap:18px;margin:27px 0;font-size:12px;display:flex}.viewer-toolbar{flex-wrap:wrap;align-items:center;gap:15px;margin-bottom:18px;display:flex}.viewer-toolbar>.muted{flex:1;font-size:11px}.viewer-toolbar>.button-row{font-size:11px}.image-viewer{background:#f6f8fb;border:1px solid #e5eaf2;border-radius:9px;max-height:65vh;padding:12px;overflow:auto}.image-viewer>img{margin:auto}.segmented{background:#eef1f6;border:1px solid #e6ebf2;border-radius:8px;flex-shrink:0;padding:3px;display:inline-flex}.segmented button{color:#8b99ad;background:0 0;border:0;border-radius:5px;padding:6px 13px;font-size:11px}.segmented button.active{color:#527aaa;background:#fff;box-shadow:0 1px 5px #2949660c}.upload-zone{color:#83a2ce;cursor:pointer;background:#f5f9ff;border:1px dashed #b8cfef;border-radius:10px;flex-direction:column;align-items:center;gap:7px;margin:20px 0;padding:24px;display:flex}.upload-zone strong{color:#6989b4;font-size:13px}.upload-zone span{font-size:11px}.upload-zone input{max-width:370px;margin-top:8px;font-size:11px}.import-table{margin-top:16px;overflow:auto}.import-row{grid-template-columns:1.2fr 1fr 1fr .7fr 25px;align-items:center;gap:7px;min-width:650px;padding:7px 0;display:grid}.import-row.header{color:#9aaabd;font-size:10px}.import-row input,.import-row select{padding:8px;font-size:10px}.import-row .button-row{gap:3px}.import-report{max-height:150px;margin-top:12px;font-size:11px;overflow:auto}.file-current{justify-content:space-between;align-items:center;font-size:10px;display:flex}.file-current .btn{font-size:10px}.file-delete{justify-content:space-between;align-items:center;gap:15px;margin-top:15px;font-size:12px;display:flex}.calendar-toolbar{justify-content:space-between;align-items:center;margin-bottom:11px;display:flex}.calendar-toolbar h2{text-transform:capitalize;margin-left:8px;font-size:19px}.calendar-zone{color:#a2afbf;margin-bottom:18px;font-size:10px}.calendar-grid{background:#fff;border:1px solid #e3e9f1;border-radius:12px;grid-template-columns:repeat(7,minmax(0,1fr));display:grid;overflow:hidden}.calendar-day{border-right:1px solid #edf0f5;min-height:440px}.calendar-day:last-child{border-right:0}.calendar-day-title{background:0 0;border:0;border-bottom:1px solid #edf0f5;flex-direction:column;justify-content:center;align-items:center;gap:4px;width:100%;padding:15px 8px;display:flex;position:relative}.calendar-day-title span{text-transform:uppercase;color:#a8b1c0;font-size:10px}.calendar-day-title strong{border-radius:100%;place-items:center;width:34px;height:34px;font-size:21px;font-weight:500;display:grid}.calendar-day-title>svg{color:#bac6d5;opacity:0;position:absolute;top:20px;right:9px}.calendar-day-title:hover>svg{opacity:1}.calendar-day.today .calendar-day-title strong{background:var(--blue);color:#fff}.calendar-events{flex-direction:column;gap:9px;padding:10px 7px;display:flex}.calendar-event{text-align:left;color:#657fa8;background:#eff4fd;border:1px solid #dfe9f8;border-left:3px solid #91afe1;border-radius:6px;width:100%;padding:9px 8px}.calendar-event>span{font-size:10px;display:block}.calendar-event small{color:inherit;opacity:.7;font-size:8px}.calendar-event strong{margin-top:8px;font-size:10px;display:block}.calendar-event p{opacity:.8;margin-top:4px;font-size:9px;line-height:1.5}.calendar-event.event-1{color:#9381ad;background:#f2effb;border-color:#e8e1f4 #e8e1f4 #e8e1f4 #b3a0d2}.calendar-event.event-2{color:#799e88;background:#f1f7f3;border-color:#e0eee5 #e0eee5 #e0eee5 #8db59d}.calendar-event.event-3{color:#b18c66;background:#fff5ec;border-color:#f4e9dd #f4e9dd #f4e9dd #d7b594}.calendar-event.cancelled{opacity:.5;text-decoration:line-through}.calendar-event.completed{color:#8b9cad;background:#f1f4f6;border-color:#e2e8ee}.calendar-grid.month .calendar-day{border-bottom:1px solid #edf0f5;min-height:130px}.month-day-label{color:#9aa8bb;text-align:center;border-bottom:1px solid #edf0f5;padding:11px;font-size:11px}.calendar-grid.month .calendar-day-title{border:0;flex-direction:row;justify-content:flex-start;padding:5px 10px}.calendar-grid.month .calendar-day-title>span{display:none}.calendar-grid.month .calendar-day-title strong{width:25px;height:25px;font-size:12px}.calendar-grid.month .calendar-day-title>svg{top:11px}.calendar-grid.month .calendar-day.outside{background:#fafbfd}.calendar-grid.month .calendar-day.outside .calendar-day-title{opacity:.35}.calendar-grid.month .calendar-events{gap:4px;padding:0 6px 7px}.calendar-grid.month .calendar-event{padding:5px}.calendar-grid.month .calendar-event p{display:none}.calendar-grid.month .calendar-event strong{margin-top:3px;font-size:9px}.calendar-grid.day{grid-template-columns:1fr}.calendar-grid.day .calendar-day-title{flex-direction:row;gap:15px}.calendar-grid.day .calendar-events{padding:22px}.calendar-grid.day .calendar-event{grid-template-columns:140px 1fr 1fr auto;align-items:center;padding:17px;display:grid}.calendar-grid.day .calendar-event strong,.calendar-grid.day .calendar-event p{margin:0;font-size:12px}.history-list{flex-direction:column;gap:17px;display:flex}.history-card{text-align:left;cursor:pointer;align-items:flex-start;gap:24px;padding:23px;display:flex}.history-card:hover{border-color:#bbd0eb}.history-date{text-align:center;color:#7f94b0;border-right:1px solid #e9edf4;flex-shrink:0;width:54px;padding-right:20px}.history-date>strong{font-size:27px;font-weight:500;display:block}.history-date>span{font-size:11px;display:block}.history-date>small{font-size:9px}.history-content{flex:1}.history-person{align-items:center;gap:11px;margin-bottom:15px;display:flex}.history-person .avatar{border-radius:9px;width:32px;height:32px;font-size:10px}.history-person strong{font-size:11px}.history-person p{color:#a0aec0;margin-top:2px;font-size:9px}.history-person>.badge{margin-left:15px}.history-content h2{font-size:16px}.history-content>p{color:#8d9db2;margin-top:5px;font-size:12px}.history-next{color:#7294c3;align-items:center;gap:7px;margin-top:14px;font-size:11px;display:flex}.history-meta{color:#9ba9bd;flex-direction:column;gap:10px;font-size:10px;display:flex}.history-meta>span{align-items:center;gap:6px;display:flex}.result-details{gap:16px;margin:22px 0;display:grid}.result-details small{color:#9aaac1;font-size:11px}.result-details p{margin-top:4px;font-size:13px}.settings-grid{grid-template-columns:minmax(0,1.2fr) minmax(320px,1fr);gap:24px;display:grid}.settings-panel{align-self:start;margin-bottom:24px;padding:25px}.settings-panel .section-head{padding:0 0 25px}.settings-panel h2{font-size:16px}.status-online{color:#6ea891;background:#edf8f2;border-radius:4px;padding:4px 7px;font-size:10px}.system-row{color:#96a7be;border-bottom:1px solid #edf0f5;align-items:center;gap:10px;padding:16px 0;font-size:11px;display:flex}.system-row:last-of-type{margin-bottom:23px}.system-row strong{color:#788da7;text-align:right;align-items:center;gap:5px;margin-left:auto;font-size:10px;font-weight:500;display:flex}.field-hint{color:#a3afbf;margin-top:9px;font-size:10px;line-height:1.8}.modal{color:#263349;background:#fff;border:1px solid #e4eaf3;border-radius:15px;width:560px;max-width:min(560px,100vw - 32px);max-height:90vh;margin:auto;padding:0;position:fixed;inset:0;overflow:auto;box-shadow:0 25px 100px #192b5430}.modal::backdrop{-webkit-backdrop-filter:blur(3px);backdrop-filter:blur(3px);background:#23344e50}.modal.wide{width:1000px;max-width:min(1000px,100vw - 40px)}.modal-head{z-index:2;background:#fff;border-bottom:1px solid #e9edf3;justify-content:space-between;align-items:center;gap:15px;padding:20px 25px;display:flex;position:sticky;top:0}.modal-head h2{font-size:19px}.modal-head .icon-btn{color:#9aa9bc}.modal-body{padding:24px 25px}.modal-body>.muted{font-size:12px}.field{flex-direction:column;gap:7px;min-width:0;margin-bottom:17px;display:flex}.field>span:first-child{color:#7e8da3;font-size:11px;font-weight:500}.field input,.field select,.field textarea{font-size:12px}.form-grid{grid-template-columns:1fr 1fr;gap:0 16px;display:grid}.form-grid.four{grid-template-columns:repeat(4,minmax(0,1fr));gap:12px}.form-actions{border-top:1px solid #edf1f6;justify-content:flex-end;align-items:center;gap:10px;margin-top:25px;padding-top:19px;display:flex}.check-row{color:#8192a9;align-items:center;gap:9px;margin:15px 0;font-size:11px;display:flex}.link-row{margin-top:12px}.empty{text-align:center;color:#a0afc3;flex-direction:column;justify-content:center;align-items:center;gap:10px;padding:45px 25px;display:flex}.empty h3{color:#7b8fa9;font-size:14px;font-weight:500}.empty p{max-width:350px;font-size:11px}.empty .btn{margin-top:9px}.loading{color:#8f9fb5;justify-content:center;align-items:center;gap:12px;padding:80px 20px;font-size:12px;display:flex}.error-state{color:#b76978;text-align:center;flex-direction:column;align-items:center;gap:15px;padding:65px 20px;font-size:13px;display:flex}.toast{z-index:10000;color:#4b8e77;background:#fff;border:1px solid #d9e8e1;border-radius:10px;align-items:center;gap:12px;max-width:min(650px,90vw);padding:14px 18px;font-size:12px;display:flex;position:fixed;bottom:27px;left:50%;transform:translate(-50%);box-shadow:0 8px 35px #2d443b20}.toast.error{color:#ad5364;border-color:#f0d7db}.toast button{color:inherit;background:0 0;border:0;margin-left:7px;display:flex}.spin{animation:1.5s linear infinite spin}@keyframes spin{to{transform:rotate(360deg)}}.login-page{background:#fff;grid-template-columns:1fr 1fr;min-height:100vh;display:grid}.login-card{place-self:center;width:380px;max-width:calc(100vw - 50px);padding:35px 0}.login-card h1{margin:25px 0 14px;font-size:31px;line-height:1.35}.login-card>p{color:#8e9db3;margin-bottom:32px;font-size:13px;line-height:1.9}.login-card>small{text-align:center;margin-top:14px;font-size:10px;line-height:1.8;display:block}.separator{color:#a7b4c7;text-align:center;align-items:center;gap:10px;margin:21px 0;font-size:10px;display:flex}.separator:before,.separator:after{content:"";background:#eaf0f7;flex:1;height:1px}.login-art{background:#ecf3ff;flex-direction:column;justify-content:space-between;padding:90px 70px;display:flex;position:relative;overflow:hidden}.login-art>span{letter-spacing:-1.4px;color:#6484b3;font-size:38px;font-weight:550;line-height:1.5}.login-art em{color:#8fa9d0;font-style:normal}.math-art{color:#c5d7f5;align-self:center;font-family:Georgia,serif;font-size:350px;font-weight:400;line-height:1.2}.math-art small{color:#a5bce0;text-align:center;font-size:35px;font-style:italic;display:block;transform:rotate(-10deg)}.start-workspace{flex-direction:column;align-items:center;gap:22px;padding:100px;display:flex}.start-workspace a{color:#7d98bd;font-size:12px}.lesson-shell{background:#f5f7fa;flex-direction:column;height:100dvh;display:flex}.lesson-header{background:#fff;border-bottom:1px solid #e5ebf3;flex-shrink:0;align-items:center;gap:15px;height:74px;padding:0 22px;display:flex}.lesson-header>.icon-btn{color:#9baac0}.brand.compact{gap:7px;padding:0;font-size:19px}.brand.compact img{width:29px;height:29px}.brand.compact .brand-dot{margin-left:-7px}.vertical-divider{border-left:1px solid #e6ecf4;height:29px;margin:0 7px}.lesson-person strong{font-size:12px;display:block}.lesson-person small{margin-top:3px;font-size:10px;display:block}.lesson-timer{color:#8197b3;font-variant-numeric:tabular-nums;border:1px solid #e9eef5;border-radius:7px;align-items:center;gap:8px;padding:7px 12px;font-size:13px;display:flex}.lesson-body{flex:1;min-height:0;display:flex}.lesson-sidebar{width:var(--task-width,43%);background:#fff;border-right:1px solid #e7edf5;flex-direction:column;flex-shrink:0;display:flex;overflow:auto}.lesson-sidebar>*{flex-shrink:0}.lesson-divider{cursor:col-resize;touch-action:none;background:#eef2f8;flex-shrink:0;justify-content:center;align-items:center;width:9px;display:flex}.lesson-divider span{background:#b5c5db;border-radius:3px;width:3px;height:45px}.lesson-divider:hover,.lesson-divider:focus-visible{background:#d8e6ff;outline:none}.lesson-materials-details{border-top:1px solid #edf1f7;margin:0 17px}.lesson-materials-details summary{cursor:pointer;color:#7389a7;padding:12px 5px;font-size:11px}.lesson-materials-details .lesson-material-list{max-height:190px;margin:0;overflow:auto}.board-image-actions{z-index:2;color:#6983a6;background:#f3f7ff;border-bottom:1px solid #dce7f8;flex-wrap:wrap;align-items:center;gap:8px;padding:7px 12px;font-size:11px;display:flex;position:absolute;bottom:58px;left:10px;right:10px}.board-image-actions>span{flex:1}.board-image-actions .btn{min-height:30px;padding:5px 9px;font-size:11px}.canvas-host.tool-select canvas{cursor:move}.canvas-host.drag-over{outline-offset:-3px;outline:3px solid #3278ee}.board-drop-hint{pointer-events:none;color:#3278ee;text-align:center;background:#edf5ffe8;place-items:center;padding:20px;font-size:18px;display:grid;position:absolute;inset:0}.lesson-tabs{z-index:1;background:#fff;border-bottom:1px solid #edf1f6;align-items:center;gap:5px;padding:0 16px;display:flex;position:sticky;top:0}.lesson-tabs>button{color:#95a3b7;background:0 0;border:0;border-bottom:2px solid #0000;flex:1;justify-content:center;align-items:center;gap:6px;padding:12px 7px;font-size:11px;display:flex}.lesson-tabs>button.active{color:#4d87db;border-bottom-color:#4d87db}.task-header{align-items:flex-start;gap:10px;padding:14px 20px 12px;display:flex}.task-header>div{flex:1}.task-header h2{margin:9px 0 6px;font-size:17px}.task-header p{color:#a1afc3;font-size:10px}.task-controls{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:8px;padding:0 17px 10px;display:flex}.task-controls .btn{min-height:33px;padding:7px 10px;font-size:11px}.task-controls .segmented{margin-right:auto}.task-image{background:#fff;border:1px solid #e7edf5;border-radius:8px;flex:280px;min-height:200px;margin:0 17px;overflow:auto}.task-image img{cursor:grab;display:block}.task-image img:active{cursor:grabbing}.task-image-controls{color:#91a3bb;align-items:center;gap:4px;padding:9px 17px;font-size:10px;display:flex}.task-image-controls .icon-btn{width:28px}.solved-check{margin:8px 23px 20px;font-size:11px}.lesson-material-list{border-top:1px solid #edf1f7;margin:0 22px;padding-top:10px}.lesson-material-list>button{text-align:left;color:#93a1b6;background:0 0;border:0;border-radius:7px;align-items:center;gap:10px;width:100%;padding:11px 8px;font-size:11px;display:flex}.lesson-material-list>button>span{color:#acb7c7;font-size:9px}.lesson-material-list>button>svg{margin-left:auto}.lesson-material-list>button.active{color:#6e91c1;background:#f0f5fe}.add-library{margin:8px 17px}.lesson-sidebar-foot{color:#a4b3c7;justify-content:center;align-items:center;gap:8px;margin-top:auto;padding:12px 22px;font-size:9px;display:none}.workspace-program,.workspace-notes{padding:25px 23px}.workspace-program>div{border:1px solid #e7edf5;border-radius:8px;margin-top:15px;padding:15px}.workspace-program h3{margin:9px 0;font-size:12px}.workspace-program p{color:#92a2b8;font-size:11px}.workspace-program small{margin:8px 0;font-size:10px;display:block}.workspace-program .btn{white-space:normal;text-align:left;margin-left:-8px;font-size:10px}.workspace-notes>p{margin:10px 0 20px;font-size:11px}.workspace-notes textarea{min-height:280px;font-size:12px}.workspace-notes>small{margin-top:10px;font-size:9px;display:block}.lesson-board{flex:1;min-width:0;padding:18px}.board-context{background:#fff;border-bottom:1px solid #e3e9f2;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:6px 16px;padding:10px 16px;font-size:12px;font-weight:600;display:flex}.board-context small{color:#8190a5;font-weight:400}.board-history{flex:1;min-height:0;padding:20px;overflow:auto}.board-history h2{align-items:center;gap:8px;margin-bottom:12px;display:flex}.board-history>p{margin-bottom:18px;line-height:1.6}.board-history-version{border-bottom:1px solid #e3e9f2;gap:9px;padding:16px 0;display:grid}.board-history-version small{color:#8190a5;line-height:1.6}.board-history-version .btn{justify-self:start}.board-history>.button-row{flex-wrap:wrap;margin-top:16px}.board-history-preview{background:#fff;border:1px solid #e3e9f2;border-radius:8px;width:100%;height:auto}.lesson-tabs{flex-wrap:wrap}.board{background:#fff;border:1px solid #e0e7f1;border-radius:11px;flex-direction:column;height:100%;display:flex;position:relative;overflow:hidden;box-shadow:0 3px 10px #16375904}.board-toolbar{background:#fff;border-bottom:1px solid #e9eef5;flex-wrap:wrap;flex-shrink:0;align-items:center;gap:9px;padding:10px 12px;display:flex}.tool-group{color:#8e9fb7;border-right:1px solid #e9eef5;align-items:center;gap:3px;padding-right:9px;display:flex}.colors{gap:7px;padding-left:3px}.colors button{border:2px solid #fff;border-radius:100%;outline:1px solid #0000;width:15px;height:15px}.colors button.selected{outline-color:#a9bbd4}.colors input[type=color]{cursor:pointer;width:20px;height:24px;box-shadow:none;background:0 0;border:0;padding:0}.colors input[type=color]::-webkit-color-swatch-wrapper{padding:3px}.colors input[type=color]::-webkit-color-swatch{border:0;border-radius:3px}.pen-width{color:#a3b0c1;align-items:center;gap:6px;font-size:10px;display:flex}.pen-width input{width:50px;height:4px}.pen-width>span{width:13px}.board-toolbar>.btn{min-height:32px;padding:6px 10px;font-size:10px}.canvas-host{background-color:#fff;background-image:radial-gradient(#dce3ed .75px,#0000 .75px);flex:1;min-height:180px;position:relative;overflow:hidden}.canvas-host canvas{touch-action:none;-webkit-user-select:none;user-select:none;width:100%;height:100%;position:absolute;inset:0}.canvas-host.tool-pen canvas,.canvas-host.tool-shape canvas{cursor:crosshair}.shape-picker{flex-shrink:0;position:relative}.shape-trigger{color:#7e92ad;background:#fff;border:1px solid #e1e9f5;border-radius:6px;align-items:center;gap:6px;min-height:32px;padding:5px 8px;font-size:11px;display:flex}.shape-trigger.selected{color:#3278ee;background:#ecf3ff;border-color:#c8dafa}.shape-menu{z-index:5;background:#fff;border:1px solid #dbe5f3;border-radius:9px;grid-template-columns:1fr 1fr;gap:5px;width:260px;padding:8px;display:grid;position:absolute;top:calc(100% + 7px);left:0;box-shadow:0 10px 28px #243c6026}.shape-menu>button{color:#526982;text-align:left;background:#fff;border:0;border-radius:6px;align-items:center;gap:7px;padding:10px 7px;font-size:11px;display:flex}.shape-menu>button:hover,.shape-menu>button[aria-pressed=true]{color:#3278ee;background:#ecf3ff}.shape-menu>small{color:#8b9cb3;grid-column:1/-1;padding:5px;font-size:10px}.canvas-host.tool-eraser canvas{cursor:cell}.canvas-host.tool-pan canvas{cursor:grab}.canvas-host.tool-pan canvas:active{cursor:grabbing}.board-page-hint{pointer-events:none;color:#c3ccda;letter-spacing:.3px;font-size:9px;position:absolute;bottom:17px;left:20px}.board-bottom{background:#fdfefe;border-top:1px solid #e9eef5;flex-shrink:0;justify-content:space-between;align-items:center;gap:13px;height:48px;padding:7px 13px;display:flex}.page-switcher{align-items:center;gap:4px;max-width:36%;display:flex;overflow:auto}.page-switcher>button:not(.icon-btn){color:#8c9fb8;background:#fff;border:1px solid #e7edf6;border-radius:5px;min-width:26px;height:27px;font-size:10px}.page-switcher>button.selected{color:#5489d4;background:#edf4ff;border-color:#d3e3fb}.save-status{color:#9daec0;white-space:nowrap;align-items:center;gap:6px;font-size:9px;display:flex}.save-status>span{background:#85b59f;border-radius:50%;width:5px;height:5px}.save-status.failed{color:#bc7785}.save-status.failed>span{background:#cf8190}.zoom-reset{color:#8fa2bb;background:0 0;border:0;width:39px;font-size:10px}.board-bottom>.button-row{color:#8fa2bb;gap:2px}.board-error{color:#b56677;background:#fff2f4;justify-content:space-between;align-items:center;gap:10px;padding:10px 15px;font-size:11px;display:flex}.board-error .btn{white-space:normal;font-size:10px}.board-toolbar>.icon-btn{color:#8b9eb7}@media(min-width:1700px){.content{padding:44px 50px 20px}.dashboard-grid{grid-template-columns:minmax(0,1fr) 355px}.next-lesson{min-height:300px;padding:28px 32px}.next-person{margin-top:28px}.next-bottom{margin-top:27px}.continue-row{padding-block:21px}.teaser-image{height:135px}.stat{padding:27px}.material-grid{grid-template-columns:repeat(4,minmax(0,1fr))}.lesson-sidebar{width:var(--task-width,43%)}.task-image{min-height:265px}.board-toolbar{gap:13px;padding:12px 16px}.board-toolbar>.btn{font-size:12px}}@media(max-width:1200px){.sidebar{width:195px;padding-inline:11px}.brand{gap:8px;font-size:21px}.main-shell{margin-left:195px}.content{padding:28px 24px 15px}.topbar{padding:0 24px}.dashboard-grid{grid-template-columns:minmax(0,1fr) 270px;gap:17px}.dashboard-main,.dashboard-aside{gap:17px}.stat{gap:11px;padding:18px 14px}.stat-icon{width:34px;height:34px}.stat-value{gap:8px}.stat-value>span{font-size:10px}.stat p{font-size:9px}.next-lesson{padding:22px}.section-head{padding:21px 20px 18px}.continue-row{padding:15px 20px}.mini-progress{display:none}.next-person h2{font-size:20px}.teaser-grid{gap:10px;padding-inline:20px}.geometry-decoration{width:140px;top:85px;right:-15px}.student-detail-grid{grid-template-columns:minmax(0,1fr) 250px;gap:18px}.topic-heading .icon-btn{width:25px}.topic-heading{gap:2px;padding-inline:13px}.topic-body{padding-left:55px}.toolbar>select{min-width:130px;max-width:185px}.library-toolbar{gap:8px}.material-grid{gap:15px}.student-table-head,.student-table-row{grid-template-columns:1.4fr 1.1fr .8fr 80px 14px;gap:14px;padding-inline:18px}.lesson-sidebar{width:var(--task-width,43%)}.lesson-board{padding:12px}.board-toolbar{gap:5px;padding:8px}.pen-width{display:none}.lesson-header{gap:10px;padding:0 14px}.lesson-header .brand{font-size:17px}.lesson-header .avatar{display:none}.board-toolbar .tool-group{padding-right:5px}.board-toolbar .colors{gap:5px}.board-toolbar .icon-btn{width:29px}.settings-grid{grid-template-columns:1fr 1fr;gap:18px}}@media(max-width:1000px){.sidebar{width:72px;padding:25px 10px}.brand{padding:0 7px}.sidebar .brand>span,.workspace-label,.sidebar nav a>span,.sidebar-note,.profile>span:not(.avatar),.profile>svg{display:none}.sidebar nav{gap:12px;margin-top:40px}.sidebar nav a{justify-content:center;padding:0}.profile{justify-content:center}.main-shell{margin-left:72px}.top-date{display:none}.stat-grid{gap:12px}.page-title{gap:15px}.page-title h1{font-size:25px}.page-actions{gap:7px}.page-actions .btn{padding-inline:11px;font-size:10px}.dashboard-grid{grid-template-columns:minmax(0,1fr) 250px}.next-top .pill{font-size:9px}.next-subject{flex-wrap:wrap}.next-subject .muted{font-size:10px}.continue-row strong{font-size:11px}.continue-row p{font-size:10px}.continue-row small{font-size:8px}.material-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.lesson-header>.brand,.lesson-header>.vertical-divider{display:none}.lesson-sidebar{width:var(--task-width,43%)}.lesson-person small{text-overflow:ellipsis;white-space:nowrap;max-width:260px;overflow:hidden}.save-status{font-size:8px}.board-bottom{gap:5px;padding:6px}.history-meta{display:none}.topic-heading>.badge{font-size:8px}.calendar-grid.week{grid-template-columns:repeat(7,minmax(115px,1fr));overflow:auto}.settings-grid{grid-template-columns:1fr}.login-art{padding:65px 35px}.login-art>span{font-size:28px}.login-card{width:320px}}@media(max-width:760px){.content{padding:23px 17px}.topbar{height:58px;padding:0 18px}.topbar-right{display:none}.page-title{flex-direction:column;align-items:flex-start;gap:17px}.page-title h1{font-size:24px}.page-title p{font-size:11px}.page-title .eyebrow{font-size:8px}.stat-grid{grid-template-columns:1fr;gap:8px}.stat{padding:13px 16px}.stat p{display:none}.stat-value{font-size:23px}.stat-value>span{font-size:11px}.stat-icon{width:30px;height:30px}.dashboard-grid{grid-template-columns:1fr}.dashboard-aside{grid-template-columns:1fr;display:grid}.teaser-image{height:95px}.student-table-head{display:none}.student-table-row{flex-wrap:wrap;gap:14px;display:flex}.student-table-row>.person{flex:1}.student-current{order:3;width:100%}.table-progress,.student-table-row>svg{display:none}.student-detail-grid{flex-direction:column;display:flex}.student-detail-grid>aside{grid-template-columns:1fr;display:grid}.topic-heading .badge{display:none}.topic-actions{gap:2px}.topic-actions .btn{font-size:9px}.material-grid{grid-template-columns:1fr}.material-image{height:200px}.toolbar .search{min-width:100%}.toolbar>select{flex:1;font-size:10px}.library-toolbar>select{min-width:110px;max-width:none}.toolbar>.muted{display:none}.calendar-toolbar{flex-direction:column;align-items:flex-start;gap:16px}.calendar-toolbar h2{font-size:15px}.calendar-grid.month{grid-template-columns:repeat(7,minmax(66px,1fr));overflow:auto}.calendar-grid.day .calendar-event{grid-template-columns:1fr;gap:7px}.history-card{gap:15px;padding:17px}.history-date{width:41px;padding-right:13px}.history-person>.badge{display:none}.history-content>h2{font-size:14px}.form-grid.four{grid-template-columns:repeat(2,minmax(0,1fr))}.modal-body{padding:20px}.modal-head{padding:17px 20px}.modal-head h2{font-size:17px}.history-person strong{font-size:10px}.lesson-header{gap:9px;height:64px}.lesson-header .lesson-person{flex:1}.lesson-person small{max-width:160px;font-size:8px}.lesson-person strong{font-size:10px}.lesson-timer{border:0;gap:4px;padding:5px;font-size:10px}.lesson-timer svg{width:13px}.lesson-header .btn{padding:7px;font-size:9px}.lesson-header .btn svg,.lesson-header>.grow,.lesson-header>a.btn{display:none}.lesson-body{flex-direction:column}.lesson-sidebar{border-bottom:1px solid #e8edf4;flex-shrink:0;width:100%;height:52dvh;max-height:none}.lesson-tabs{min-height:38px}.lesson-tabs>button{padding:9px}.task-header{padding:13px 17px}.task-header .eyebrow,.task-header p{display:none}.task-header h2{margin:0;font-size:13px}.task-controls{padding-inline:17px}.task-image{min-height:230px;max-height:none}.lesson-divider{display:none}.lesson-body{overflow:auto}.lesson-sidebar-foot{display:none}.lesson-board{flex:1;min-height:420px;padding:8px}.board-toolbar{gap:5px}.board-toolbar .colors{gap:4px}.board-toolbar .colors button{width:13px;height:13px}.board-toolbar .tool-group{border:0;padding:0}.board-toolbar>.grow{display:none}.board-toolbar .icon-btn{width:26px;height:27px}.board-toolbar>.btn{min-height:27px;margin-left:auto;padding:4px 7px;font-size:9px}.save-status,.board-page-hint{display:none}.board-bottom{height:39px}.page-switcher{max-width:60%}.login-page{grid-template-columns:1fr}.login-art{display:none}.login-card{width:350px}.app-footer{padding:17px}.app-footer span{display:none}}