.demo-app{--sidebar-width:232px;background:var(--bg-soft);min-height:100vh;color:var(--text);font-family:Inter,SF Pro Display,SF Pro Text,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif}.demo-app button,.demo-app input,.demo-app select,.demo-app textarea{font:inherit}.demo-sidebar{width:var(--sidebar-width);z-index:40;border-right:1px solid var(--border);background:var(--surface);flex-direction:column;display:flex;position:fixed;inset:0 auto 0 0}.demo-sidebar-head{border-bottom:1px solid var(--border);align-items:center;gap:10px;height:70px;padding:0 20px;display:flex}.demo-logo{align-items:center;gap:9px;display:inline-flex}.demo-logo strong{letter-spacing:-.055em;font-size:20px}.demo-logo-mark{background:var(--text);border-radius:9px;justify-content:center;align-items:end;gap:2px;width:29px;height:29px;padding:7px 6px;display:flex}.demo-logo-mark i{background:var(--bg);border-radius:3px;width:4px;display:block}.demo-logo-mark i:first-child{height:7px}.demo-logo-mark i:nth-child(2){background:var(--accent);height:15px}.demo-logo-mark i:nth-child(3){height:10px}.demo-pill{color:var(--accent);background:var(--accent-soft);letter-spacing:.08em;text-transform:uppercase;border-radius:5px;margin-left:auto;padding:4px 6px;font-size:12px;font-weight:780}.sidebar-close{border:1px solid var(--border);background:var(--surface-soft);width:32px;height:32px;color:var(--text-soft);cursor:pointer;border-radius:9px;font-size:19px;display:none}.role-caption{color:var(--text-faint);letter-spacing:.1em;text-transform:uppercase;padding:22px 22px 9px;font-size:12px;font-weight:720}.demo-nav{gap:3px;padding:4px 11px;display:grid}.demo-nav button,.demo-sidebar-bottom>button{width:100%;min-height:43px;color:var(--text-soft);text-align:left;cursor:pointer;background:0 0;border:0;border-radius:10px;align-items:center;gap:11px;padding:0 11px;font-size:12px;transition:background .16s,color .16s,transform .1s;display:flex}.demo-nav button:hover,.demo-sidebar-bottom>button:hover{color:var(--text);background:var(--surface-soft)}.demo-nav button:active,.demo-sidebar-bottom>button:active{transform:scale(.985)}.demo-nav button.active,.demo-sidebar-bottom>button.active{color:var(--accent);background:var(--accent-soft);font-weight:680}.nav-glyph{border:1px solid var(--border);width:27px;height:27px;color:var(--text-faint);background:var(--surface);border-radius:8px;flex:0 0 27px;place-items:center;font-size:12px;font-weight:760;display:grid}.demo-nav button.active .nav-glyph,.demo-sidebar-bottom>button.active .nav-glyph{border-color:color-mix(in srgb, var(--accent) 22%, var(--border));color:var(--accent)}.nav-count{min-width:19px;height:19px;color:var(--accent);background:color-mix(in srgb, var(--accent) 12%, transparent);border-radius:6px;place-items:center;margin-left:auto;font-size:12px;font-style:normal;font-weight:750;display:grid}.demo-sidebar-bottom{border-top:1px solid var(--border);gap:9px;margin-top:auto;padding:11px;display:grid}.role-exchange{border:1px solid var(--border);background:var(--surface-soft);border-radius:11px;grid-template-columns:30px 1fr auto;align-items:center;gap:10px;min-height:59px;padding:0 10px;transition:border-color .18s,transform .12s;display:grid}.role-exchange:hover{border-color:var(--accent);transform:translateY(-1px)}.exchange-symbol{width:29px;height:29px;color:var(--accent);background:var(--accent-soft);border-radius:8px;place-items:center;font-size:14px;display:grid}.role-exchange small,.role-exchange strong{display:block}.role-exchange small{color:var(--text-faint);font-size:12px}.role-exchange strong{margin-top:2px;font-size:12px}.role-exchange b{color:var(--text-faint);font-size:15px}.leave-demo{color:var(--text-faint);padding:5px 10px 3px;font-size:12px}.leave-demo:hover{color:var(--accent)}.sidebar-backdrop{display:none}.demo-workspace{min-height:100vh;margin-left:var(--sidebar-width)}.demo-topbar{z-index:30;border-bottom:1px solid var(--border);background:color-mix(in srgb, var(--surface) 88%, transparent);-webkit-backdrop-filter:blur(16px)saturate(150%);backdrop-filter:blur(16px)saturate(150%);align-items:center;gap:24px;height:70px;padding:0 28px;display:flex;position:sticky;top:0}.demo-breadcrumb{color:var(--text-faint);align-items:center;gap:8px;font-size:12px;display:flex}.demo-breadcrumb i{opacity:.45;font-style:normal}.demo-breadcrumb strong{color:var(--text);font-weight:670}.command-search{border:1px solid var(--border);width:min(360px,32vw);min-height:37px;color:var(--text-faint);background:var(--bg-soft);cursor:pointer;text-align:left;border-radius:10px;align-items:center;gap:9px;margin-left:auto;padding:0 7px 0 12px;font-size:12px;display:flex}.command-search kbd{border:1px solid var(--border);color:var(--text-soft);background:var(--surface);border-radius:6px;margin-left:auto;padding:4px 6px;font-size:12px;box-shadow:0 1px 1px #0000000a}.search-lens{border:1.5px solid;border-radius:50%;flex:0 0 12px;width:12px;height:12px;display:inline-block;position:relative}.search-lens:after{content:"";background:currentColor;border-radius:2px;width:5px;height:1.5px;position:absolute;bottom:-2px;right:-4px;transform:rotate(45deg)}.topbar-actions{align-items:center;gap:9px;display:flex}.app-theme-toggle,.notification-button,.mobile-menu,.square-button{border:1px solid var(--border);background:var(--surface);cursor:pointer;border-radius:10px;place-items:center;width:36px;height:36px;display:grid}.app-sun,.app-moon{border-radius:50%;width:14px;height:14px;display:block}.app-sun{border:2px solid var(--text);box-shadow:0 -6px 0 -5px var(--text), 0 6px 0 -5px var(--text), 6px 0 0 -5px var(--text), -6px 0 0 -5px var(--text)}.app-moon{border:2px solid var(--text);box-shadow:inset -4px -2px 0 0 var(--surface)}.notification-button{color:var(--text-soft);font-size:12px;font-weight:720;position:relative}.notification-button i{border:1.5px solid var(--surface);background:var(--danger);border-radius:50%;width:6px;height:6px;position:absolute;top:6px;right:6px}.topbar-profile{border-left:1px solid var(--border);align-items:center;gap:9px;margin-left:5px;padding-left:14px;display:flex}.topbar-profile>span strong,.topbar-profile>span small{display:block}.topbar-profile>span strong{font-size:12px}.topbar-profile>span small{color:var(--text-faint);margin-top:3px;font-size:12px}.avatar{color:#fff;border-radius:50%;flex:0 0 32px;place-items:center;width:32px;height:32px;font-size:12px;font-weight:740;display:grid}.avatar.violet{background:#76609d}.avatar.blue{background:#527b93}.avatar.sand{background:#9d7150}.avatar.green{background:#4f826d}.avatar.rose{background:#986577}.avatar.large{width:62px;height:62px;font-size:14px}.avatar.xlarge{width:74px;height:74px;font-size:17px}.mobile-menu{display:none;position:relative}.mobile-menu span{background:var(--text);width:16px;height:1.5px;position:absolute;left:9px}.mobile-menu span:first-child{top:13px}.mobile-menu span:last-child{top:20px}.demo-content{min-height:calc(100vh - 70px)}.app-view{width:min(1440px,100%);margin:0 auto;padding:32px 36px 58px;animation:.22s both view-enter}.view-heading{justify-content:space-between;align-items:flex-start;gap:28px;min-height:76px;margin-bottom:27px;display:flex}.app-overline{color:var(--accent);letter-spacing:.12em;text-transform:uppercase;margin:0 0 7px;font-size:12px;font-weight:780}.view-heading h1{letter-spacing:-.055em;margin:0;font-size:clamp(27px,2.7vw,38px);line-height:1}.view-heading h1>span{color:var(--text-faint);font-weight:480}.view-heading>div:first-child>p:last-child{color:var(--text-soft);margin:9px 0 0;font-size:12px}.heading-actions{align-items:center;gap:8px;display:flex}.app-button{cursor:pointer;border:1px solid #0000;border-radius:10px;justify-content:center;align-items:center;gap:8px;min-height:39px;padding:0 15px;font-size:12px;font-weight:680;transition:transform .1s,background .16s,border-color .16s,box-shadow .16s;display:inline-flex}.app-button:active{transform:scale(.98)}.app-button.primary{color:#fff;background:var(--accent);box-shadow:0 7px 20px color-mix(in srgb, var(--accent) 20%, transparent)}.app-button.primary:hover{background:var(--accent-hover)}.app-button.secondary{border-color:var(--border);color:var(--text);background:var(--surface)}.app-button.secondary:hover{border-color:var(--accent)}.app-button.light{color:#2a2342;background:#fff}.app-button.small{border-radius:8px;min-height:30px;padding-inline:10px;font-size:12px}.app-segments{border:1px solid var(--border);background:var(--surface);border-radius:10px;gap:3px;padding:3px;display:flex}.app-segments button{min-height:31px;color:var(--text-faint);cursor:pointer;background:0 0;border:0;border-radius:7px;padding:0 11px;font-size:12px}.app-segments button.active{color:var(--text);background:var(--accent-soft);font-weight:680}.app-panel{border:1px solid var(--border);background:var(--surface);box-shadow:var(--shadow-sm);border-radius:15px}.panel-head{border-bottom:1px solid var(--border);justify-content:space-between;align-items:center;gap:18px;min-height:70px;padding:16px 19px;display:flex}.panel-head.compact{min-height:62px}.panel-head h2{letter-spacing:-.03em;margin:3px 0 0;font-size:14px}.panel-kicker{color:var(--text-faint);letter-spacing:.1em;text-transform:uppercase;font-size:12px;font-weight:720}.text-action{color:var(--accent);cursor:pointer;background:0 0;border:0;font-size:12px;font-weight:670}.text-action span{margin-left:4px}.panel-count{width:24px;height:24px;color:var(--accent);background:var(--accent-soft);border-radius:7px;place-items:center;font-size:12px;font-weight:720;display:grid}.overview-grid{grid-template-columns:1.25fr 1fr 1fr 1fr;gap:12px;margin-bottom:13px;display:grid}.overview-card{border:1px solid var(--border);background:var(--surface);min-height:131px;box-shadow:var(--shadow-sm);border-radius:14px;padding:18px 19px;position:relative;overflow:hidden}.metric-label{color:var(--text-soft);justify-content:space-between;align-items:center;font-size:12px;display:flex}.metric-label button{border:1px solid var(--border);width:16px;height:16px;color:var(--text-faint);cursor:help;background:0 0;border-radius:50%;font-size:12px}.overview-card>strong{letter-spacing:-.05em;font-variant-numeric:tabular-nums;margin-top:14px;font-size:25px;line-height:1;display:block}.overview-card>strong small{color:var(--text-faint);font-size:12px;font-weight:520}.metric-foot{color:var(--text-faint);gap:6px;margin-top:12px;font-size:12px;display:flex}.up-value,.positive{color:var(--success)!important}.risk-value,.negative{color:var(--danger)!important}.paid-value{color:var(--success)}.debt-value{color:var(--danger);font-weight:670}.low-balance{color:var(--warning);font-weight:680}.income-card{color:#fff;background:linear-gradient(135deg,#7054dd,#5c3fc8);border-color:#0000}.income-card .metric-label,.income-card .metric-foot{color:#ffffff9c}.income-card .metric-label button{color:#fff;border-color:#ffffff40}.income-card .up-value{color:#d7ffea!important}.mini-sparkline{align-items:end;gap:4px;width:83px;height:48px;display:flex;position:absolute;bottom:16px;right:16px}.mini-sparkline i{background:#fff3;border-radius:3px 3px 1px 1px;flex:1}.mini-sparkline i:first-child{height:30%}.mini-sparkline i:nth-child(2){height:44%}.mini-sparkline i:nth-child(3){height:38%}.mini-sparkline i:nth-child(4){height:61%}.mini-sparkline i:nth-child(5){height:57%}.mini-sparkline i:nth-child(6){height:74%}.mini-sparkline i:nth-child(7){background:#fff;height:93%}.metric-progress{background:var(--accent-soft);border-radius:5px;height:5px;margin-top:13px;overflow:hidden}.metric-progress i{border-radius:inherit;background:var(--accent);height:100%;display:block}.risk-card:after{content:"";border:10px solid var(--danger-soft);border-radius:50%;width:54px;height:54px;position:absolute;bottom:-13px;right:-13px}.today-layout{grid-template-columns:minmax(0,1.65fr) minmax(265px,.7fr);gap:13px;display:grid}.today-side{align-content:start;gap:13px;display:grid}.timeline-lesson{border-bottom:1px solid var(--border);align-items:center;gap:10px;min-height:74px;padding:0 15px;transition:background .18s;display:flex}.timeline-lesson:last-child{border-bottom:0}.timeline-lesson:hover{background:var(--surface-soft)}.timeline-lesson.completed{background:var(--success-soft)}.timeline-time{text-align:right;flex:0 0 40px;width:40px}.timeline-time strong,.timeline-time span{display:block}.timeline-time strong{font-size:12px}.timeline-time span{color:var(--text-faint);margin-top:4px;font-size:12px}.timeline-line{background:var(--accent);border-radius:3px;width:3px;height:37px;position:relative}.timeline-line i{border:2px solid var(--surface);background:inherit;border-radius:50%;width:7px;height:7px;position:absolute;top:5px;left:-2px}.timeline-line.blue,.large-lesson-line.blue{background:var(--blue)}.timeline-line.sand,.large-lesson-line.sand{background:var(--warning)}.timeline-line.rose,.large-lesson-line.rose{background:var(--danger)}.timeline-line.green,.large-lesson-line.green{background:var(--success)}.timeline-copy{min-width:0}.timeline-copy strong,.timeline-copy span{white-space:nowrap;text-overflow:ellipsis;display:block;overflow:hidden}.timeline-copy span{color:var(--text-faint);margin-top:4px;font-size:12px}.status-chip{white-space:nowrap;border-radius:100px;align-items:center;gap:4px;margin-left:auto;padding:5px 7px;font-size:12px;font-weight:690;display:inline-flex}.status-chip.success,.status-chip.paid{color:var(--success);background:var(--success-soft)}.status-chip.debt{color:var(--danger);background:var(--danger-soft)}.status-chip.package{color:var(--accent);background:var(--accent-soft)}.status-chip .app-check{width:13px;height:13px;font-size:12px}.app-check{color:#fff;background:var(--success);border-radius:50%;flex:0 0 17px;place-items:center;width:17px;height:17px;font-size:12px;font-weight:780;display:inline-grid}.start-chip{color:var(--accent);background:var(--accent-soft);white-space:nowrap;border-radius:100px;margin-left:auto;padding:5px 7px;font-size:12px}.lesson-action{border:1px solid var(--accent);min-height:29px;color:var(--accent);background:var(--surface);cursor:pointer;border-radius:8px;padding:0 9px;font-size:12px;font-weight:690}.row-menu{width:25px;height:25px;color:var(--text-faint);letter-spacing:1px;cursor:pointer;background:0 0;border:0;border-radius:7px;font-size:12px}.row-menu:hover{background:var(--bg-soft)}.focus-row{border:0;border-bottom:1px solid var(--border);width:100%;min-height:65px;color:var(--text);text-align:left;cursor:pointer;background:0 0;grid-template-columns:28px 1fr auto;align-items:center;gap:9px;padding:0 14px;display:grid}.focus-row:last-child{border-bottom:0}.focus-row:hover{background:var(--surface-soft)}.focus-icon{border-radius:8px;place-items:center;width:27px;height:27px;font-size:12px;font-weight:780;display:grid}.focus-icon.warning{color:var(--warning);background:var(--warning-soft)}.focus-icon.danger{color:var(--danger);background:var(--danger-soft)}.focus-icon.violet{color:var(--accent);background:var(--accent-soft)}.focus-row>span:nth-child(2) strong,.focus-row>span:nth-child(2) small{display:block}.focus-row>span:nth-child(2) strong{font-size:12px}.focus-row>span:nth-child(2) small{color:var(--text-faint);margin-top:4px;font-size:12px}.focus-row b{color:var(--text-faint)}.week-progress{padding-bottom:13px}.week-progress .panel-head{border-bottom:0}.week-progress .panel-head>strong{color:var(--accent);font-size:13px}.week-bars{align-items:end;gap:9px;height:70px;padding:0 17px;display:flex}.week-bars i{background:var(--accent-soft);border-radius:4px 4px 2px 2px;flex:1;min-height:5px}.week-bars i.active{background:var(--accent)}.week-labels{color:var(--text-faint);justify-content:space-between;padding:7px 20px 0;font-size:12px;display:flex}.calendar-toolbar{border-bottom:1px solid var(--border);align-items:center;gap:7px;min-height:58px;padding:0 15px;display:flex}.square-button{border-radius:8px;width:29px;height:29px}.today-button{border:1px solid var(--border);background:var(--surface);cursor:pointer;border-radius:8px;min-height:29px;padding:0 10px;font-size:12px}.calendar-toolbar>span{margin-left:7px;font-size:12px;font-weight:670}.calendar-filter{border:1px solid var(--border);min-height:31px;color:var(--text-soft);border-radius:8px;align-items:center;gap:7px;margin-left:auto;padding:0 10px;font-size:12px;display:flex}.filter-dot{border-radius:50%;width:7px;height:7px}.filter-dot.violet{background:var(--accent)}.calendar-filter b{color:var(--text-faint)}.week-calendar{overflow-x:auto}.week-header{border-bottom:1px solid var(--border);grid-template-columns:55px repeat(6,1fr);min-width:820px;height:62px;display:grid}.week-header>div{border-left:1px solid var(--border);flex-direction:column;justify-content:center;align-items:center;gap:5px;display:flex}.week-header small{color:var(--text-faint);font-size:12px}.week-header strong{font-size:12px}.week-header .current strong{color:#fff;background:var(--accent);border-radius:8px;place-items:center;width:25px;height:25px;display:grid}.week-body{background-image:repeating-linear-gradient(to bottom, transparent 0, transparent 84px, var(--border) 84px, var(--border) 85px);grid-template-columns:55px repeat(6,1fr);min-width:820px;height:600px;display:grid;overflow:hidden}.time-column{border-right:1px solid var(--border);position:relative}.time-column span{height:85px;color:var(--text-faint);text-align:right;padding-right:8px;font-size:12px;display:block;position:relative;top:-4px}.day-column{border-right:1px solid var(--border);position:relative}.day-column.current{background:color-mix(in srgb, var(--accent-soft) 23%, transparent)}.calendar-event{border:0;border-left:3px solid var(--accent);width:calc(100% - 10px);min-height:55px;color:var(--accent);background:var(--accent-soft);text-align:left;cursor:pointer;border-radius:7px;flex-direction:column;justify-content:center;align-items:flex-start;padding:7px 8px;display:flex;position:absolute;left:5px}.calendar-event:hover{filter:saturate(1.15);transform:translateY(-1px)}.calendar-event strong{font-size:12px}.calendar-event span{opacity:.72;margin-top:4px;font-size:12px}.calendar-event.blue{color:var(--blue);border-color:var(--blue);background:color-mix(in srgb, var(--blue) 10%, var(--surface))}.calendar-event.sand{color:var(--warning);border-color:var(--warning);background:var(--warning-soft)}.calendar-event.rose{color:var(--danger);border-color:var(--danger);background:var(--danger-soft)}.calendar-event.green{color:var(--success);border-color:var(--success);background:var(--success-soft)}.event-a{top:80px}.event-b{top:175px}.event-c{top:300px}.event-d{top:425px}.now-line{z-index:2;background:var(--danger);height:1px;position:absolute;top:129px;left:0;right:0}.now-line i{background:var(--danger);border-radius:50%;width:7px;height:7px;position:absolute;top:-3px;left:-3px}.now-line span{color:var(--danger);font-size:12px;position:absolute;top:-14px;left:4px}.students-toolbar,.materials-toolbar{align-items:center;gap:14px;min-height:57px;margin-bottom:11px;display:flex}.table-search{border:1px solid var(--border);width:240px;min-height:36px;color:var(--text-faint);background:var(--surface);border-radius:9px;align-items:center;gap:9px;padding:0 12px;display:flex}.table-search input{width:100%;color:var(--text);background:0 0;border:0;outline:0;font-size:12px}.table-search input::placeholder{color:var(--text-faint)}.filter-tabs{gap:5px;display:flex}.filter-tabs button{min-height:34px;color:var(--text-soft);cursor:pointer;background:0 0;border:1px solid #0000;border-radius:8px;padding:0 11px;font-size:12px}.filter-tabs button.active{border-color:var(--border);color:var(--text);background:var(--surface);box-shadow:var(--shadow-sm)}.filter-tabs button span{color:var(--danger);margin-left:5px}.table-filter-button{border:1px solid var(--border);min-height:35px;color:var(--text-soft);background:var(--surface);cursor:pointer;border-radius:9px;margin-left:auto;padding:0 11px;font-size:12px}.table-filter-button span{color:var(--text-faint);margin-left:7px}.student-table-wrap{overflow:auto}.student-table{border-collapse:collapse;text-align:left;width:100%;min-width:880px}.student-table thead{background:var(--surface-soft)}.student-table th{height:44px;color:var(--text-faint);letter-spacing:.04em;text-transform:uppercase;padding:0 13px;font-size:12px;font-weight:720}.student-table td{border-top:1px solid var(--border);height:67px;color:var(--text-soft);cursor:pointer;padding:0 13px;font-size:12px}.student-table tbody tr:hover{background:var(--surface-soft)}.student-table td:first-child{align-items:center;gap:10px;display:flex}.student-table td:first-child strong,.student-table td:first-child small{display:block}.student-table td:first-child strong{color:var(--text);font-size:12px}.student-table td:first-child small{color:var(--text-faint);margin-top:4px;font-size:12px}.student-table 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.debt-row>b{grid-area:1/3}.today-layout{grid-template-columns:minmax(0,1fr) minmax(280px,.5fr);gap:20px}.today-side{grid-template-columns:1fr}.full-editor .modal-body{min-height:0}.full-editor .modal-body.form-grid{grid-auto-rows:min-content}.full-editor .modal-head h2{font-size:22px}.full-editor .modal-switch-row{gap:16px;padding-block:12px}.full-editor .modal-switch-row strong{font-size:14px}.full-editor .modal-switch-row .switch{flex-shrink:0}.full-editor .field-label{margin:0;font-size:14px}.material-editor .inline-field-action{flex-wrap:wrap;margin-top:14px}.material-editor .inline-field-action input{flex-basis:100%}.student-profile-screen .drawer-profile h2{font-size:28px}.profile-info-card dd,.drawer-materials span strong{font-size:16px}.profile-info-card dt,.profile-info-card dd,.drawer-materials span strong{overflow-wrap:anywhere}.student-preview-copy p,.subscription-card p,.next-lesson-card p,.student-table td,.student-table td strong{font-size:14px}.student-task-row 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.drawer-close{display:none}}.full-editor-backdrop{background:var(--bg);padding:0;display:block}.app-modal.full-editor{width:100%;height:100dvh;max-height:none;box-shadow:none;border:0;border-radius:0;flex-direction:column;display:flex}.full-editor .modal-head,.full-editor .modal-footer{flex:none;padding-inline:max(24px,50vw - 560px)}.full-editor .modal-body{flex:1;width:min(1120px,100%);margin:0 auto;padding:32px 24px;overflow:auto}.compact-editor .modal-body{align-content:start;width:min(820px,100%)}.lesson-editor-grid{grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:22px;display:grid}.lesson-editor-grid>section{align-content:start;gap:16px;display:grid}.editor-card{border:1px solid var(--border);background:var(--surface-soft);border-radius:14px;padding:18px}.editor-card h3{margin:0 0 12px;font-size:13px}.stacked-fields{gap:13px;padding-top:14px;display:grid}.stacked-fields label,.subscription-form label{color:var(--text-soft);gap:7px;font-size:12px;display:grid}.inline-field-action{align-items:center;gap:8px;display:flex}.inline-field-action input{flex:1;min-width:0}.inline-field-action select{min-width:145px}.embedded-material{border-bottom:1px solid var(--border);align-items:center;gap:10px;min-height:45px;display:flex}.embedded-material strong{font-size:12px}.lesson-save-summary{margin-right:auto;font-size:12px;font-weight:650}.editor-hint{color:var(--text-soft);background:var(--accent-soft);border-radius:12px;flex-direction:column;gap:8px;padding:14px;font-size:12px;line-height:1.5;display:flex}.editor-hint strong{color:var(--accent);font-size:12px}.student-preview-card{background:linear-gradient(135deg,var(--accent-soft),var(--surface));justify-content:space-between;align-items:center;gap:24px;display:flex}.student-preview-copy h2{margin:7px 0 8px}.student-preview-copy p{max-width:560px;color:var(--text-soft);margin:0;font-size:12px;line-height:1.6}.student-preview-card .app-button{flex:none}.student-profile-screen{width:100%;height:100dvh;box-shadow:none;border:0;padding:0;animation:.22s both app-modal-in;position:fixed;inset:0}.student-profile-shell{width:min(1120px,100%);min-height:100%;margin:0 auto;padding:24px}.profile-screen-head{border-bottom:1px solid var(--border);grid-template-columns:1fr auto 1fr;align-items:center;min-height:50px;display:grid}.profile-screen-head>.panel-kicker{text-align:center}.profile-screen-head .drawer-close{justify-self:end;position:static}.student-profile-screen .drawer-profile{padding:30px 0 24px}.student-profile-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;padding-bottom:50px;display:grid}.student-profile-grid>.app-panel{padding:20px}.profile-info-card dl{grid-template-columns:1fr 1fr;gap:0;margin:0;display:grid}.profile-info-card dl>div{border-bottom:1px solid var(--border);padding:14px 0}.profile-info-card dl>div:nth-child(odd){padding-right:14px}.profile-info-card dt{color:var(--text-faint);font-size:12px}.profile-info-card dd{margin:6px 0 0;font-size:12px;font-weight:650}.subscription-card p,.next-lesson-card p{color:var(--text-soft);font-size:12px;line-height:1.6}.subscription-form{border-top:1px solid var(--border);grid-template-columns:1fr 1fr;gap:10px;margin-top:15px;padding-top:15px;display:grid}.subscription-form .app-button{grid-column:1/-1}.next-lesson-card>div{gap:8px;margin-top:18px;display:flex}.chat-messages{gap:8px;max-height:150px;margin:8px 0 14px;display:grid;overflow:auto}.chat-messages p{background:var(--accent-soft);border-radius:10px 10px 10px 2px;width:fit-content;max-width:85%;margin:0;padding:10px 12px;font-size:12px;line-height:1.5}.profile-materials{grid-column:1/-1}.material-composer{grid-template-columns:auto minmax(200px,1fr) 180px auto;align-items:center;gap:9px;display:grid}@media (width<=760px){.lesson-editor-grid,.student-profile-grid{grid-template-columns:1fr}.full-editor .modal-head,.full-editor .modal-footer{padding-inline:14px}.full-editor .modal-body{padding:20px 14px}.full-editor .modal-footer{flex-wrap:wrap;padding-block:10px}.lesson-save-summary{width:100%;margin:0}.student-profile-shell{padding:12px}.profile-screen-head{grid-template-columns:1fr auto}.profile-screen-head>.panel-kicker{display:none}.profile-materials{grid-column:auto}.material-composer{grid-template-columns:1fr}.inline-field-action{flex-direction:column;align-items:stretch}.inline-field-action .app-button,.inline-field-action select{width:100%}.subscription-form{grid-template-columns:1fr}.subscription-form .app-button{grid-column:auto}.profile-info-card dl{grid-template-columns:1fr}.profile-info-card dl>div:nth-child(odd){padding-right:0}.student-preview-card{flex-direction:column;align-items:stretch}}.prototype-app{--space-1:4px;--space-2:8px;--space-3:12px;--space-4:16px;--space-6:24px;--space-8:32px;--page-padding:var(--space-8);--card-padding:var(--space-6);--section-gap:var(--space-6);--field-gap:var(--space-4);--row-padding:var(--space-4);--finance-success:#187a4b;--finance-danger:#bd3547;--finance-warning:#916400;font-size:16px;line-height:1.5}.prototype-app button,.prototype-app input,.prototype-app select,.prototype-app textarea{font:inherit}.prototype-app button{cursor:pointer}.prototype-app button:disabled{opacity:.5;cursor:not-allowed}.prototype-app a{color:var(--accent);text-underline-offset:3px}.prototype-app :is(button,a,input,select,textarea):focus-visible{outline:3px solid var(--accent);outline-offset:3px}.prototype-app :is(input,select,textarea):not([type=checkbox]){border:1px solid var(--border-strong);width:100%;min-width:0;min-height:44px;padding:var(--space-3) var(--space-3);background:var(--bg);color:var(--text);border-radius:10px;font-size:16px}.prototype-app textarea{resize:vertical;min-height:100px}.prototype-app select:not([multiple]):not([size]){appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 16 16'%3E%3Cpath d='m4 6 4 4 4-4' fill='none' stroke='%238b8795' stroke-width='1.6' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right var(--space-4) center;background-size:16px;padding-inline-end:44px}.prototype-app input[type=file]::file-selector-button{padding:var(--space-2) var(--space-3);border:1px solid var(--border);border-radius:var(--space-2);background:var(--surface-soft);color:var(--text);font:inherit;cursor:pointer;margin-inline-end:var(--space-3)}@media (forced-colors:active){.prototype-app select:not([multiple]):not([size]){appearance:auto;background-image:none}}.prototype-app input[type=checkbox]{width:22px;height:22px;accent-color:var(--accent);flex:0 0 22px}.prototype-app .app-button{white-space:normal;text-align:center;min-height:44px;font-size:14px}.prototype-app .text-action{flex-shrink:0;min-height:44px;padding:6px;font-size:14px}.prototype-app .demo-nav button,.prototype-app .demo-sidebar-bottom>button{min-height:48px;font-size:14px}.prototype-app .proto-content{gap:var(--section-gap);max-width:1600px;padding:var(--page-padding);margin-inline:auto;display:grid}.prototype-app h1{letter-spacing:-.04em;margin:0;font-size:clamp(26px,3vw,36px);line-height:1.2}.prototype-app h2{letter-spacing:-.025em;margin:0;font-size:20px;line-height:1.3}.prototype-app h3{margin:0 0 var(--space-4);font-size:18px}.prototype-app p,.prototype-app .view-heading{margin:0}.prototype-app .view-heading .app-overline{margin-bottom:var(--space-3)}.proto-topbar-right{align-items:center;gap:var(--space-4);min-width:0;margin-left:auto;display:flex}.proto-topbar-right label{align-items:center;gap:var(--space-3);font-size:14px;display:flex}.proto-topbar-right select{max-width:220px}.proto-local-note{color:var(--text-soft);padding:var(--space-2) var(--space-3);font-size:12px}.proto-today{gap:var(--section-gap);grid-template-columns:minmax(0,1.5fr) minmax(280px,1fr);align-items:start;display:grid}.proto-panel{min-width:0;padding:var(--card-padding);overflow:hidden}.prototype-app .proto-panel .panel-head{min-height:44px;padding:0 0 var(--space-4);margin:0 0 var(--space-4);justify-content:space-between;align-items:center;gap:var(--space-4);display:flex}.proto-panel .panel-head h2{font-size:20px}.proto-empty{padding:var(--space-2) 0;color:var(--text-soft)}.proto-lesson-row,.proto-focus-row,.proto-student-row,.proto-task-row{border:0;border-bottom:1px solid var(--border);border-radius:var(--space-2);width:100%;color:var(--text);text-align:left;align-items:center;gap:var(--space-4);padding:var(--row-padding);background:0 0;display:flex}.proto-lesson-row:last-child,.proto-focus-row:last-child,.proto-student-row:last-child,.proto-task-row:last-child{border-bottom:0}.proto-lesson-row:hover,.proto-focus-row:hover,.proto-student-row:hover,.proto-task-row:hover{background:var(--surface-soft)}.proto-time{gap:var(--space-1);flex-direction:column;align-self:start;min-width:62px;padding-top:3px;display:flex}.proto-time small{color:var(--text-soft);font-size:12px}.proto-lesson-main{gap:var(--space-2);border-left:3px solid var(--accent);min-width:0;padding-left:var(--space-4);flex-direction:column;flex:1;display:flex}.proto-lesson-main>span:not(.proto-chips){color:var(--text-soft);font-size:14px}.proto-lesson-main strong{overflow-wrap:anywhere}.proto-chips{justify-content:flex-start;align-items:center;gap:var(--space-2);flex-wrap:wrap;display:flex}.prototype-app .status-chip{min-height:28px;padding:var(--space-1) var(--space-2);white-space:normal;background:var(--surface-soft);color:var(--text-soft);flex:0 auto;margin:0;font-size:12px}.prototype-app .status-chip.debt{color:var(--finance-danger);background:color-mix(in srgb, var(--finance-danger) 12%, transparent)}.prototype-app .status-chip.success,.prototype-app .status-chip.package{color:var(--finance-success);background:color-mix(in srgb, var(--finance-success) 12%, transparent)}.prototype-app .status-chip.warning{color:var(--finance-warning);background:color-mix(in srgb, var(--finance-warning) 12%, transparent)}.proto-focus-row>span:first-child,.proto-task-row>span:first-child{flex:1;gap:6px;display:grid}.proto-focus-row small,.proto-task-row small,.proto-student-row small,.proto-payment-row small{color:var(--text-soft);font-size:14px;display:block}.proto-actions{align-items:center;gap:var(--space-3);flex-wrap:wrap;display:flex}.proto-list-tools{justify-content:space-between;align-items:end;gap:var(--space-4);display:flex}.proto-list-tools label{gap:var(--space-2);width:min(440px,100%);font-size:14px;display:grid}.proto-student-row>span:nth-child(2){flex:1}.proto-profile-grid,.proto-metrics,.proto-settings{gap:var(--section-gap);grid-template-columns:repeat(2,minmax(0,1fr));align-items:start;display:grid}.proto-profile-column{align-content:start;gap:var(--section-gap);min-width:0;display:grid}.prototype-app .full{grid-column:1/-1}.proto-details{margin:0 0 var(--space-6);display:grid}.proto-details div{justify-content:space-between;gap:var(--space-4);padding:var(--space-3) 0;border-bottom:1px solid var(--border);display:flex}.proto-details dt{color:var(--text-soft);font-size:14px}.proto-details dd{text-align:right;overflow-wrap:anywhere;margin:0}.proto-inset{padding:var(--space-4);background:var(--surface-soft);border:1px solid var(--border);margin-top:var(--space-4);border-radius:14px}.proto-inset p{color:var(--text-soft);margin-top:var(--space-3);font-size:14px}.proto-subscriptions{gap:var(--space-3);display:grid}.proto-subscriptions .proto-inset{margin:0}.proto-subscriptions .status-chip{margin-top:var(--space-3)}.proto-materials{margin:0;padding:0;list-style:none}.proto-materials li{justify-content:space-between;align-items:center;gap:var(--space-3);padding:var(--space-4) 0;border-bottom:1px solid var(--border);display:flex}.proto-materials li>span{overflow-wrap:anywhere;min-width:0}.proto-materials small{color:var(--text-soft);margin-top:var(--space-1);font-size:12px;display:block}.proto-chat{gap:var(--space-3);max-height:360px;padding:0;display:grid;overflow:auto}.proto-chat article{padding:var(--space-3);border:1px solid var(--border);border-radius:12px;max-width:90%}.proto-chat article.mine{background:var(--accent-soft);margin-left:auto}.proto-chat small{color:var(--text-soft);font-size:12px}.proto-chat p{white-space:pre-wrap;overflow-wrap:anywhere}.proto-chat-compose{gap:var(--space-3);margin-top:var(--space-4);display:grid}.proto-chat-compose label{gap:var(--space-2);font-size:14px;display:grid}.proto-chat-compose>button{justify-self:end}.proto-fields{gap:var(--field-gap);grid-template-columns:repeat(2,minmax(0,1fr));align-content:start;display:grid}.proto-fields>label:not(.proto-check),.proto-field{gap:var(--space-2);color:var(--text-soft);font-size:14px;display:grid}.proto-field{margin-bottom:var(--space-6)}.proto-fields>.app-button{justify-self:start}.proto-check{align-items:center;gap:var(--space-3);min-height:44px;color:var(--text);cursor:pointer;font-size:16px;display:flex}.proto-homework-editor{margin:var(--space-6) 0}.proto-homework-editor .proto-fields{margin-top:var(--space-4)}.proto-modal-backdrop{z-index:80;background:var(--bg);position:fixed;inset:0}.proto-modal{background:var(--bg-soft);width:100%;height:100dvh;color:var(--text);flex-direction:column;display:flex}.proto-modal>header{justify-content:space-between;align-items:center;gap:var(--space-4);padding:var(--space-4) max(var(--space-6),calc((100vw - 1000px)/2));border-bottom:1px solid var(--border);background:var(--surface);display:flex}.proto-modal>header h2{font-size:20px}.proto-close{border:1px solid var(--border);background:var(--surface-soft);width:44px;height:44px;color:var(--text);border-radius:12px;flex:0 0 44px;font-size:24px!important}.proto-form{flex-direction:column;flex:1;min-height:0;display:flex}.proto-form-body{min-height:0;padding:var(--space-6) max(var(--space-6),calc((100vw - 1000px)/2));flex:1;overflow-y:auto}.proto-form-body>.proto-panel{margin-top:var(--space-6)}.proto-footer{justify-content:flex-end;gap:var(--space-3);padding:var(--space-4) max(var(--space-6),calc((100vw - 1000px)/2));padding-bottom:max(var(--space-4),env(safe-area-inset-bottom));border-top:1px solid var(--border);background:var(--surface);flex-wrap:wrap;display:flex}.proto-form-error{padding:var(--space-3) var(--space-6);color:#e55e70;background:var(--surface);border-top:1px solid var(--border);flex-shrink:0}.proto-warning,.proto-error{color:#df5368!important}.proto-alert{z-index:140;max-width:calc(100% - 24px);padding:var(--space-4);background:var(--surface);color:var(--text);gap:var(--space-4);border:1px solid #df5368;border-radius:12px;display:flex;position:fixed;bottom:20px;left:50%;transform:translate(-50%)}.proto-alert button{color:var(--text);background:0 0;border:0}.prototype-app .app-toast{max-width:calc(100vw - 32px);padding:var(--space-4);font-size:14px;bottom:20px}.proto-work{gap:var(--space-6);display:grid}.proto-work .proto-inset,.proto-work h3{margin:0}.proto-prewrap{white-space:pre-wrap;overflow-wrap:anywhere}.proto-calendar-layout{gap:var(--space-6);grid-template-columns:minmax(320px,1fr) minmax(320px,1fr);align-items:start;display:grid}.proto-calendar{gap:var(--space-1);margin-bottom:var(--space-4);grid-template-columns:repeat(7,minmax(0,1fr));display:grid}.proto-calendar>span{color:var(--text-soft);text-align:center;padding:var(--space-2) 0;font-size:12px}.proto-calendar button{min-height:65px;color:var(--text);background:0 0;border:1px solid #0000;border-radius:10px}.proto-calendar small{color:var(--text-soft);font-size:12px;display:block}.proto-calendar button.selected{border-color:var(--accent);background:var(--accent-soft);color:var(--accent)}.proto-calendar button.outside{opacity:.45}.proto-calendar button:hover{border-color:var(--border-strong)}.proto-tabs{gap:var(--space-2);flex-wrap:wrap;display:flex}.proto-tabs button{border:1px solid var(--border);min-height:44px;padding:var(--space-3) var(--space-4);background:var(--surface);color:var(--text-soft);border-radius:10px;font-size:14px}.proto-tabs button.active{color:var(--accent);border-color:var(--accent);background:var(--accent-soft)}.proto-payment-row{gap:var(--space-6);padding:var(--space-4) 0;border-bottom:1px solid var(--border);align-items:center;display:flex}.proto-payment-row>span{flex:1}.proto-metrics{grid-auto-rows:1fr;align-items:stretch}.proto-metrics>.proto-panel{flex-direction:column;display:flex}.prototype-app .proto-metrics>.proto-panel>.panel-head{flex:1;align-items:flex-start}.proto-metrics>section>strong{font-variant-numeric:tabular-nums;overflow-wrap:anywhere;font-size:30px;line-height:1.2;display:block}.prototype-app .proto-subscription-summary{justify-content:space-between;align-items:baseline;gap:var(--space-2) var(--space-4);margin-top:var(--space-6);padding-top:var(--space-4);border-top:1px solid var(--border);flex-wrap:wrap;display:flex}.proto-subscription-summary>span{color:var(--text-soft)}.proto-subscription-summary>strong{white-space:nowrap;font-variant-numeric:tabular-nums}[data-theme=dark] .prototype-app{--finance-success:#4bc48b;--finance-danger:#f17486;--finance-warning:#e6b84d}.proto-finance{gap:var(--section-gap);display:grid}.proto-finance-toolbar{justify-content:space-between;align-items:center;gap:var(--space-4);flex-wrap:wrap;display:flex}.proto-finance-toolbar p{margin-top:var(--space-2);color:var(--text-soft)}.proto-finance-metrics{gap:var(--space-3);grid-template-columns:repeat(3,minmax(0,1fr));display:grid}.proto-finance-metric{padding:var(--card-padding);--metric-tone:var(--accent);flex-direction:column;min-width:0;display:flex}.proto-finance-metric.received{--metric-tone:var(--finance-success)}.proto-finance-metric.debt{--metric-tone:var(--finance-danger)}.proto-finance-indicator{margin-bottom:var(--space-4);color:var(--metric-tone);justify-content:space-between;align-items:center;display:flex}.proto-finance-indicator i{background:currentColor;border-radius:50%;width:6px;height:6px}.proto-money{font-variant-numeric:tabular-nums;font-feature-settings:"tnum";white-space:nowrap}.proto-finance-metric>strong{letter-spacing:-.03em;margin-bottom:var(--space-4);font-size:clamp(24px,2.5vw,32px);line-height:1.2}.prototype-app .proto-finance-metric h3{margin:0 0 var(--space-1);font-size:16px}.proto-finance-metric p{color:var(--text-soft);font-size:14px}.proto-money-received{color:var(--finance-success)}.proto-money-debt{color:var(--finance-danger)}.proto-chart-total{color:var(--accent);font-size:16px}.proto-finance-chart{align-items:end;gap:var(--space-3);display:flex;overflow-x:auto}.proto-finance-chart button{min-width:48px;color:var(--text-soft);padding:var(--space-2);background:0 0;border:0;flex:1;font-size:12px}.proto-bar-track{border-bottom:1px solid var(--border);height:144px;margin-bottom:var(--space-2);align-items:end;display:flex}.proto-bar{background:color-mix(in srgb, var(--accent) 35%, transparent);border-radius:7px 7px 0 0;width:100%}.proto-finance-chart .selected .proto-bar{background:var(--accent)}.proto-finance-chart .selected{color:var(--accent);font-weight:650}.proto-finance-debtor{align-items:center;gap:var(--space-4);padding:var(--space-4) 0;border-bottom:1px solid var(--border);display:flex}.proto-finance-debtor:last-child,.proto-finance-payment:last-child{border-bottom:0}.proto-finance-person{align-items:center;gap:var(--space-3);min-width:0;color:var(--text);text-align:left;padding:var(--space-2);border-radius:var(--space-2);background:0 0;border:0;flex:1;display:flex}.proto-finance-person:hover{background:var(--surface-soft)}.proto-finance-person>span:nth-child(2){flex:1;min-width:0}.proto-finance-person small,.proto-finance-payment-info small{color:var(--text-soft);margin-top:var(--space-1);font-size:14px;display:block}.proto-finance-payment{align-items:center;gap:var(--space-3);padding:var(--space-4) var(--space-2);border-bottom:1px solid var(--border);display:flex}.proto-finance-payment-info{overflow-wrap:anywhere;flex:1;min-width:0}.proto-finance-person>.avatar,.proto-finance-payment>.avatar{background:var(--accent-soft);color:var(--accent);flex:0 0 40px;width:40px;height:40px}@media (width<=1100px){.proto-finance-metrics{grid-template-columns:repeat(auto-fit,minmax(min(100%,220px),1fr))}}@media (width<=640px){.proto-finance-debtor{flex-wrap:wrap}.proto-finance-person{flex-wrap:wrap;flex-basis:100%}.proto-finance-person>.status-chip{margin-left:calc(40px + var(--space-3))}.proto-finance-debtor>.app-button{margin-left:calc(40px + var(--space-3) + var(--space-2))}.proto-finance-payment{flex-wrap:wrap}.proto-finance-payment-info{flex-basis:calc(100% - 40px - var(--space-3))}.proto-finance-payment>.proto-money{margin-left:calc(40px + var(--space-3))}}@media (width<=1100px){.proto-today,.proto-calendar-layout{grid-template-columns:minmax(0,1fr)}}@media (width<=900px){.prototype-app .demo-sidebar:not(.mobile-open){visibility:hidden}}@media (width<=760px){.proto-profile-grid,.proto-metrics,.proto-settings{grid-template-columns:minmax(0,1fr)}.proto-list-tools{flex-direction:column;align-items:stretch}}@media (width<=640px){.prototype-app{--page-padding:var(--space-4);--card-padding:var(--space-4);--row-padding:var(--space-3);--section-gap:var(--space-4)}.prototype-app .proto-content{padding:var(--page-padding);gap:var(--section-gap)}.prototype-app .demo-topbar{gap:var(--space-3);height:auto;min-height:70px;padding:var(--space-3) var(--space-4);flex-wrap:wrap}.proto-topbar-right{gap:var(--space-3)}.proto-topbar-right label{gap:0;font-size:0}.proto-topbar-right select{width:150px!important;font-size:14px!important}.proto-topbar-right .avatar{display:none}.proto-panel{padding:var(--card-padding)}.proto-panel .panel-head{flex-wrap:wrap}.prototype-app .panel-head h2{font-size:18px}.proto-lesson-row{gap:var(--space-2)}.proto-time{min-width:48px;font-size:14px}.proto-lesson-main{padding-left:var(--space-3)}.proto-fields{gap:var(--field-gap);grid-template-columns:minmax(0,1fr)}.proto-modal>header{padding:var(--space-3) var(--space-4)}.proto-modal>header h2{font-size:18px}.proto-form-body{padding:var(--space-4)}.proto-footer{padding-inline:var(--space-4)}.proto-footer>button{flex:1}.proto-student-row{gap:var(--space-3);grid-template-columns:36px 1fr 16px;display:grid}.proto-student-row .status-chip{grid-column:2;justify-self:start}.proto-student-row>span:last-child{grid-area:1/3/3}.proto-calendar button{min-height:54px}.proto-task-row{gap:var(--space-3);flex-wrap:wrap}.proto-payment-row{flex-wrap:wrap}.proto-payment-row>span{min-width:60%}}.proto-student-fields{border:0;min-width:0;margin:0;padding:0}.proto-student-fields:disabled{opacity:.65}